Annotation of loncom/interface/lonpopulate.pm, revision 1.19

1.4       albertel    1: # automated enrollment configuration handler
1.19    ! raeburn     2: # $Id: lonpopulate.pm,v 1.18 2004/08/23 16:32:35 raeburn Exp $
1.4       albertel    3: #
                      4: # Copyright Michigan State University Board of Trustees
                      5: #
                      6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      7: #
                      8: # LON-CAPA is free software; you can redistribute it and/or modify
                      9: # it under the terms of the GNU General Public License as published by
                     10: # the Free Software Foundation; either version 2 of the License, or
                     11: # (at your option) any later version.
                     12: #
                     13: # LON-CAPA is distributed in the hope that it will be useful,
                     14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: # GNU General Public License for more details.
                     17: #
                     18: # You should have received a copy of the GNU General Public License
                     19: # along with LON-CAPA; if not, write to the Free Software
                     20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     21: #
                     22: # /home/httpd/html/adm/gpl.txt
                     23: #
                     24: # http://www.lon-capa.org/
                     25: #
1.1       raeburn    26: package Apache::lonpopulate;
                     27: 
                     28: use strict;
                     29: use lib qw(/home/httpd/lib/perl);
1.7       raeburn    30: use Apache::lonnet;
                     31: use Apache::loncommon;
                     32: use Apache::lonhtmlcommon;
1.3       albertel   33: use Apache::lonlocal;
1.14      raeburn    34: use Apache::loncoursedata;
1.1       raeburn    35: use Apache::Constants qw(:common :http REDIRECT);
                     36: use Time::Local;
1.7       raeburn    37: use LONCAPA::Enrollment;
1.1       raeburn    38: 
                     39: ###############################################################
                     40: sub header {
                     41:     my $bodytag=&Apache::loncommon::bodytag('Classlist Manager');
                     42:     return(<<ENDHEAD);
                     43: <html>
                     44: <head>
                     45: <title>LON-CAPA Classlist Manager</title>
                     46: </head>
                     47: $bodytag
                     48: ENDHEAD
                     49: }
                     50: 
                     51: ###############################################################
                     52: 
                     53: sub choose_header {
1.16      raeburn    54:     my $action = shift;
1.1       raeburn    55:     my $bodytag=&Apache::loncommon::bodytag('Classlist Manager');
                     56:     my $scripttag = qq|
                     57: <script language='javascript' type='text/javascript'>
                     58: <!--
1.16      raeburn    59: function process(calling,numauto,nummanual,numlock,numunlock) {
1.1       raeburn    60:  var checker = 1
                     61:  var rad1 = 0
                     62:  var rad2 = 0
                     63:  var formName = document.forms.enter
1.14      raeburn    64:  if (calling == "viewclass") {
                     65:      formName = document.forms.studentform
                     66:  }
1.1       raeburn    67:  formName.action.value = calling
                     68:  if (calling == "chgsettings") {
                     69:    for (var j=0; j<formName.autoadds.length; j++) {
                     70:        if (formName.autoadds[j].checked) {
                     71:            rad1 = 1
                     72:        }
                     73:    }
                     74:    for (var k=0; k<formName.autodrops.length; k++) {
                     75:        if (formName.autodrops[k].checked) {
                     76:            rad2 = 1
                     77:        }
                     78:    }
                     79:    if (rad1 == 0) {
1.17      raeburn    80:        alert("You must select either 'Enable' or 'Disable' for nightly additions based on classlist changes")
1.1       raeburn    81:        checker = 0
                     82:    }
                     83:    if (rad2 == 0) {
1.17      raeburn    84:        alert("You must select either 'Enable' or 'Disable' for nightly removals based on classlist changes")
1.1       raeburn    85:        checker = 0
                     86:    }
                     87:  }
                     88:  if (calling == "updatenow") {
                     89:      var enrolldis
                     90:      var unenrolldis
                     91:      for (var j=0; j<formName.updateadds.length; j++) {
                     92:          if (formName.updateadds[j].value == 0) {
                     93:              enrolldis = j
                     94:          }
                     95:          if (formName.updateadds[j].checked) {
                     96:              rad1 = 1
                     97:          }
                     98:      }
                     99:      for (var k=0; k<formName.updatedrops.length; k++) {
                    100:          if (formName.updatedrops[k].value == 0) {
                    101:              unenrolldis = k 
                    102:          }
                    103:          if (formName.updatedrops[k].checked) {
                    104:              rad2 = 1
                    105:          }
                    106:      }
                    107:      if (rad1 == 0) {
1.17      raeburn   108:          alert("You must select either 'Yes' or 'No' for immediate addition of newly registered students to the roster")
1.1       raeburn   109:          checker = 0
                    110:      }
                    111:      if (rad2 == 0) {
1.17      raeburn   112:          alert("You must select either 'Yes' or 'No' for immediate removal of unregistered students from the roster")
1.1       raeburn   113:          checker = 0
                    114:      }
                    115:      if (formName.updatedrops[unenrolldis].checked && formName.updateadds[enrolldis].checked ) {
1.17      raeburn   116:          alert("You have selected 'No' for both addition and removal of students\\n in the Registrar's classlist but not in your LON-CAPA course.  \\nHence there is no update to carry out")
1.1       raeburn   117:          checker = 0
                    118:      }
                    119:  }
1.14      raeburn   120:  if (calling == "viewclass") {
                    121:      document.forms.studentform.state.value = "process";
1.16      raeburn   122:      var totcheck = 0
                    123:      if (numauto > 0) {
                    124:         for (var i=0; i<document.studentform.chgauto.length; i++) {
                    125:             if (document.studentform.chgauto[i].checked == true) {
                    126:                 totcheck ++
                    127:             }
                    128:         }
                    129:      }
                    130:      if (nummanual > 0) {
                    131:         for (var i=0; i<document.studentform.chgmanual.length; i++) {
                    132:             if (document.studentform.chgmanual[i].checked == true) {
                    133:                 totcheck ++
                    134:             }
                    135:         }
                    136:      }
                    137:      if (numlock > 0) {
                    138:         for (var i=0; i<document.studentform.lockchg.length; i++) {
                    139:             if (document.studentform.lockchg[i].checked == true) {
                    140:                 totcheck ++
                    141:             }
                    142:         }
                    143:      }
                    144:      if (numunlock > 0) {
                    145:         for (var i=0; i<document.studentform.unlockchg.length; i++) {
                    146:             if (document.studentform.unlockchg[i].checked == true) {
                    147:                 totcheck ++
                    148:             }
                    149:         }
                    150:      }
                    151:      if (totcheck > 0) {
                    152:         checker = 1
                    153:      } else {
                    154:         alert("You must check at least one checkbox, before proceeding to the next page")
                    155:         checker = 0
                    156:      }
1.14      raeburn   157:  } 
1.1       raeburn   158:  if (checker == 1) {  
                    159:      formName.submit();
                    160:  }
                    161: }
1.16      raeburn   162: |;
                    163:     if ($action eq 'viewclass') {
                    164:         $scripttag .= qq|
                    165: function checkAll(field) {
                    166:     for (i = 0; i < field.length; i++)
                    167:         field[i].checked = true ;
                    168: }
                    169: 
                    170: function uncheckAll(field) {
                    171:     for (i = 0; i < field.length; i++)
                    172:         field[i].checked = false ;
                    173: }
                    174: |;
                    175:     }
                    176:     $scripttag .= qq|
1.1       raeburn   177: // End hiding -->
                    178: </script>
                    179: |;
                    180:     return(<<ENDHEAD);
                    181: <html>
                    182: <head>
                    183: <title>LON-CAPA Classlist Manager</title>
                    184: $scripttag
                    185: $bodytag
                    186: ENDHEAD
                    187: }
                    188: 
                    189: sub print_mainbox {
                    190:     my ($r,$tasklongref,$realm,$reply) = @_;
                    191:     my $action = "information";
                    192:     if ( exists($ENV{'form.action'}) ) {
                    193:         $action = $ENV{'form.action'};
                    194:     }
                    195:     my $page = '';
                    196:     if ($action eq "information") {
                    197:         $page = "<b>Automated Enrollment</b>";
                    198:     } else {
                    199:         $page =  '<a href="/adm/populate">Automated Enrollment</a>';
                    200:         if ($reply) {
                    201:             if ($action eq "newcross") {
                    202:                 $action = "crosslist";
                    203:             } elsif ($action eq "newsections") {
                    204:                 $action = "sections"; 
                    205:             }
                    206:             $page .= "-&gt; <a href=\"/adm/populate?action=$action\">".$$tasklongref{$action}."</a> -&gt; <b>result</b>";
                    207:         } else {
                    208:             $page .=  " -&gt; <b>".$$tasklongref{$action}."</b>"; 
                    209:         }
                    210:     }
                    211:     $r->print(<<ENDTHIS);
                    212: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    213:  <tr>
                    214:   <td bgcolor="#CCCCFF"> 
                    215:    <font size="2"><a href="/adm/menu">$realm</a> -&gt; <a href="/adm/dropadd">Enrollment Manager</a> -&gt; $page</font><br/>
                    216:   </td>
                    217:   <td align="right" bgcolor="#CCCCFF" valign="top">
                    218:    <font size="+1">Automated Enrollment Manager&nbsp;</font>
                    219:   </td>
                    220:  </tr>
                    221: </table>
                    222: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    223:  <tr>
                    224: ENDTHIS
                    225: }
                    226: 
                    227: sub print_navmenu {
                    228:     my ($r,$tasksref,$tasklongref) = @_;
                    229:     my $action = "information";
                    230:     if (exists($ENV{'form.action'}) ) {
                    231:         $action = $ENV{'form.action'};
                    232:     }
                    233:     $r->print(<<ENDONE);
                    234:   <td width="10" valign="top" bgcolor="#DDFFFF">&nbsp;</td>
                    235:   <td width="20%" valign="top" bgcolor="#DDFFFF">
                    236:    <br/>
                    237: ENDONE
                    238:     foreach my $task (@{$tasksref}) {
                    239:         if ($task eq $action) {
                    240:             $r->print(" 
                    241:    <p>
                    242:    <font color=\"#999999\">
                    243:     <b>$$tasklongref{$task}</b><br/>
                    244:    </font>
                    245:    </p>"); 
                    246:         } else {
                    247:             $r->print("
                    248:    <p>
                    249:    <font color=\"#004263\">
                    250:     <b><a href=\"/adm/populate?action=$task\">$$tasklongref{$task}</a></b><br/>
                    251:    </font> 
                    252:    </p>");
                    253: 
                    254:         }
                    255:     }
                    256:     $r->print("
                    257:   <p>&nbsp;</p>
                    258:   </td>
                    259:   <td width=\"10\" valign=\"top\" bgcolor=\"#CCCCFF\">&nbsp;</td>
                    260:   <td width=\"10\" valign=\"top\" bgcolor=\"#FFFFFF\">&nbsp;</td>
                    261:   <td bgcolor=\"#ffffff\" valign=\"top\">");
                    262: }
                    263: 
                    264: ###############################################################
                    265: 
                    266: sub print_main_frame {
1.13      raeburn   267:   my ($r,$realm,$dom,$crs,$tasktitleref) = @_;
1.1       raeburn   268:   my $action = "information";
                    269:   if (exists($ENV{'form.action'}) ) {
                    270:       $action = $ENV{'form.action'};
                    271:   }
                    272: 
                    273: # Get course settings
                    274:   my %enrollvar;
                    275:   my @bgcolors=("#eeeeee","#cccccc");
                    276:   my %settings = &Apache::lonnet::dump('environment',$dom,$crs);
                    277:   foreach my $item (keys %settings) {
                    278:       if ($item =~ m/^internal\.(.+)$/) {
                    279:           $enrollvar{$1} = $settings{$item};
1.14      raeburn   280:       } elsif ($item =~ /^default_enrollment_(start|end)_date$/) {
                    281:           $enrollvar{$item} = $settings{$item};
1.1       raeburn   282:       }
                    283:   }
                    284: 
                    285:   if ($action eq "information") {
                    286:       $r->print(<<ENDONE);
1.2       raeburn   287:           <br/><table border='0' width='100%'>
1.1       raeburn   288:             <tr>
                    289:               <td>&nbsp;</td>
                    290:               <td><b>Use the menu on the left to choose an enrollment management task.</b><br/><br/></td>
                    291:             <tr>
                    292:               <td>&nbsp;</td>
1.16      raeburn   293:               <td>Use <i>"Automated adds/drops"</i> to enable or disable automatic nightly adds or drops in your LON-CAPA course based on institutional enrollment information.</td>
1.1       raeburn   294:             </tr>
                    295:             <tr>
                    296:               <td>&nbsp;</td>
                    297:               <td>Use <i>"Change enrollment dates"</i> to change the date of first automated enrollment and/or the date of last automated enrollment for registered students.</td>
                    298:             </tr>
                    299:             <tr>
                    300:               <td>&nbsp;</td>
1.14      raeburn   301:               <td>Use <i>"Change access dates"</i> to change the default start and/or end dates for student roles created by automated enrollment.</td>
                    302:             </tr>
                    303:             <tr>
                    304:               <td>&nbsp;</td>
1.1       raeburn   305:               <td>Use <i>"Notification of changes"</i> to enable or disable notification of enrollment changes and to add or remove course coordinators from the recipient list.</td>
                    306:             </tr>
                    307:             <tr>
                    308:               <td>&nbsp;</td>
                    309:               <td>Use <i>"Change crosslisting"</i> to include or exclude enrollment from crosslisted classes.</td>
                    310:             </tr>
                    311:             <tr>
                    312:               <td>&nbsp;</td>
                    313:               <td>Use <i>"Section settings"</i> to make changes to the choice of sections included for enrollment in your LON-CAPA course.</td>
                    314:             </tr>
                    315:               <td>&nbsp;</td>
1.2       raeburn   316:               <td>Use <i>"Student photos"</i> to enable or disable automatic upload of student photos to your course.</td>
1.1       raeburn   317:             </tr>
                    318:             <tr>
                    319:               <td>&nbsp;</td>
                    320:               <td>Use <i>"Update roster now"</i> to add and/or drop students from your course based on the <b>most current</b> institutional classlist information.</td>
                    321:             </tr>
                    322:             <tr>
1.16      raeburn   323:               <td>&nbsp;</td>
                    324:               <td>Use <i>"View students and change type"</i> to display the current course roster, and (optionally) change enrollment type for selected students from 'auto' to 'manual' and vice versa.</td>
                    325:             </tr>
                    326:             <tr>
1.1       raeburn   327:              <td colspan='2'>&nbsp;</td>
                    328:             </tr>
                    329:             <tr>
                    330:              <td>&nbsp;</td>
                    331:              <td><b>Note: if automated adds and/or drops are enabled, the nightly enrollment update will ONLY occur once the first enrollment date has been reached.</b></td>
                    332:             </tr>
                    333:           </table>
                    334: ENDONE
                    335:   } elsif ($action eq "chgsettings") {
                    336:       my @autosets = ("OFF","ON");
                    337:       $r->print(<<ENDTWO);
                    338:                   <form name="enter" method="post"><br/>
                    339: 		  <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    340: 		   <tr>
                    341: 		    <td align="left"><b>$$tasktitleref{$action}</b><br/>
                    342: 		       Currently: Nightly adds: <i>$autosets[$enrollvar{autoadds}]</i>, Nightly drops: <i>$autosets[$enrollvar{autodrops}]</i>
                    343: 		    </td>
                    344:                    </tr>
                    345: 		  </table>
                    346: 		  <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    347: 		    <tr>
                    348: 		     <td>
                    349: 		         Additions based on classlist changes:&nbsp;&nbsp;
                    350: ENDTWO
                    351:       if ($enrollvar{autoadds}) {
                    352:           $r->print("
                    353: 			    <input type=\"radio\" name=\"autoadds\" value=\"1\" checked=\"true\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    354: 			    <input type=\"radio\" name=\"autoadds\" value=\"0\" />&nbsp;Disable
                    355:          ");
                    356:       } else {
                    357:           $r->print("
                    358:                             <input type=\"radio\" name=\"autoadds\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    359:                             <input type=\"radio\" name=\"autoadds\" value=\"0\" checked=\"true\" />&nbsp;Disable
                    360:          ");
                    361:       }
                    362:       $r->print("
                    363:               </td>
                    364:              </tr>
                    365:              <tr>
                    366:               <td>
                    367:  	       Removals based on classlist changes:&nbsp;&nbsp;");
                    368:       if ($enrollvar{autodrops}) {
                    369:           $r->print("
                    370:                 <input type=\"radio\" name=\"autodrops\" value=\"1\" checked=\"true\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    371:                 <input type=\"radio\" name=\"autodrops\" value=\"0\" />&nbsp;Disable");
                    372:       } else {
                    373:           $r->print("
                    374:                 <input type=\"radio\" name=\"autodrops\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    375:                 <input type=\"radio\" name=\"autodrops\" value=\"0\" checked=\"true\" />&nbsp;Disable");
                    376:       }
                    377:       $r->print("
                    378:               </td>
                    379:              </tr>
                    380:              <tr>
                    381:               <td>
                    382:                <font color=\"#888888\">
                    383: Note: Any students added manually by course coordinators using the Enrollment Manager will be unaffected by the nightly removal process if you choose to enable it.
                    384:                </font>
                    385:               </td>
                    386:              </tr>
                    387:              <tr>
                    388:               <td align=\"right\">
                    389:                <input type=\"button\" name=\"chgsettings\" value=\"Go\" onClick=\"process('chgsettings')\" />
                    390: 	      </td>
                    391:              </tr>
                    392: 	    </table>
                    393:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    394:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    395:             </form>
                    396:       ");
                    397:   } elsif ($action eq "setdates") {
1.14      raeburn   398:       my ($start_table,$end_table) = &date_setting_table($enrollvar{autostart},$enrollvar{autoend},$action);
1.10      raeburn   399:       my $oldstartshow = '';
                    400:       my $oldendshow = '';
                    401:       if ( defined($enrollvar{autostart}) ) {
1.14      raeburn   402:           $oldstartshow = &Apache::lonlocal::locallocaltime($enrollvar{autostart});
1.10      raeburn   403:       }
                    404:       if ( defined($enrollvar{autoend}) ) {
1.14      raeburn   405:           $oldendshow = &Apache::lonlocal::locallocaltime($enrollvar{autoend});
1.10      raeburn   406:           if ($enrollvar{autoend} == 0) {
                    407:               $oldendshow = "No ending date";
                    408:           }
                    409:       }
                    410:       my $dateshow;
                    411:       if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
1.14      raeburn   412:          $dateshow = "<br/><font size='+1'>Warning</font>. Currently <b>NO</b> first enrollment or last enrollment dates are set. You <b>must</b> use this menu to set a start date and an end date if you plan to utilise automated adds and/or drops in this course.\n";
1.10      raeburn   413:       } else {
                    414:          $dateshow = "Currently: First enrollment: <b><i>$oldstartshow</i></b>, Last enrollment: <b><i>$oldendshow</i></b>\n";
1.1       raeburn   415:       }
                    416:       $r->print(<<ENDTWO);
                    417:                   <form name="enter" method="post"><br/>              
                    418:                   <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    419: 	           <tr>
1.10      raeburn   420: 	            <td align="left"><b>$$tasktitleref{$action}</b><br/><br/>
                    421:                      $dateshow
1.1       raeburn   422: 	            </td>
                    423:                    </tr>
                    424: 	          </table>
                    425:                   <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    426:                    <tr>
                    427:                     <td align="left" colspan="2">
                    428:                      <table border="0" cellspacing="0" cellpadding="2">
                    429:                       <tr>
                    430:                        <td colspan="3">
                    431:                         <i>Set date of first automated enrollment for registered students</i>
                    432:                        </td>
                    433:                       </tr>
                    434:                       <tr>
                    435:                        <td>$start_table
                    436:                        </td>
                    437:                       </tr>
                    438:                      </table>
                    439:                     </td>
                    440:                    </tr>
                    441:                    <tr>
                    442:                     <td colspan="2"><font color="#888888">If automated adds and/or drops are enabled, then your class roster will be automatically updated nightly, once the first enrollment date has been reached. Prior to this date, the class roster will only contain students you have added directly using the standard LON-CAPA enrollment tools</font></td>
                    443:                    </tr>
                    444:                    <tr>
                    445:                     <td align="left" colspan="2">
                    446:                      <table border="0' cellspacing="0" cellpadding="2">
                    447:                       <tr>
                    448:                        <td colspan="3">
                    449:                         <i>Set date of last automated enrollment for registered students</i>
                    450:                        </td>
                    451:                       </tr>
                    452:                       <tr>
                    453:                        <td>$end_table
                    454:                        </td>
                    455:                       </tr>
                    456:                      </table>
                    457:                     </td>
                    458:                    </tr>
                    459:                    <tr>
                    460:                     <td colspan="2"><font color="#888888">If automated adds and/or drops are enabled, then your class roster will be automatically updated nightly, until the last enrollment date has been reached.</font></td>
                    461:                    </tr>
                    462:                   </table>
                    463:                   <table width="100%">
                    464:                    <tr>
                    465:                     <td align="right">
                    466:                       <input type="button" name="setdates" value="Go" onClick="process('setdates')" />
                    467:                     </td>
                    468: 	           </tr>
                    469:                   </table>
1.14      raeburn   470:                   <input type="hidden" name="action" value="$action">
                    471:                   <input type="hidden" name="state" value="process">
                    472:                   </form>
                    473: ENDTWO
                    474:   } elsif ($action eq "setaccess") {
                    475:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
                    476:       $r->print(<<ENDTWO);
                    477:                   <table width="100%">
                    478:                    <tr>
                    479:                     <td align="right">
                    480:                       <input type="button" name="$action" value="Go" onClick="process('$action')" />
                    481:                     </td>
                    482:                    </tr>
                    483:                   </table>
                    484:                   <input type="hidden" name="action" value="$action">
                    485:                   <input type="hidden" name="state" value="process">
1.1       raeburn   486:                   </form>
                    487: ENDTWO
                    488:   } elsif ($action eq "notify") {
                    489:       my @notified = ();
                    490:       if ($enrollvar{notifylist} =~ m/,/) {
                    491:           @notified = split/,/,$enrollvar{notifylist};
                    492:       } else {
                    493:           @notified = $enrollvar{notifylist};
                    494:       }
                    495:       my $notifycount = 0;
                    496:       foreach  (@notified) {
                    497:         unless ($_ eq '') { $notifycount ++; } 
                    498:       }
                    499:       my $noteset = '';
                    500:       if ($notifycount) {
                    501:           $noteset = "ON";
                    502:       } else {
                    503:           $noteset = "OFF";
                    504:       }
                    505:     
                    506:       $r->print("
                    507:                   <form name=\"enter\" method=\"post\"><br/>
                    508:                    <table width=\"100%\" border=\"0\" cellpadding=\"6\" cellspacing=\"0\">
                    509:                     <tr>
                    510:                      <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    511:                       Currently: Notification: $noteset
                    512:                      </td>
                    513:                     </tr>
                    514:                    </table>
                    515:                    <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    516:                     <tr>
                    517:                      <td>
                    518:                       Notification of LON-CAPA course roster changes resulting from nightly automated enrollment process?
                    519:       ");
                    520:       if ($notifycount) {
                    521:           $r->print("
                    522:                         <input type=\"radio\" name=\"notify\" value=\"1\" checked=\"true\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    523:                         <input type=\"radio\" name=\"notify\" value=\"0\" />&nbsp;No
                    524:           ");
                    525:       } else {
                    526:           $r->print("
                    527:                         <input type=\"radio\" name=\"notify\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    528:                         <input type=\"radio\" name=\"notify\" value=\"0\" checked=\"true\" />&nbsp;No
                    529:           ");
                    530:       }
                    531:       $r->print("
                    532:               </td>
                    533:              </tr>
                    534:       ");
1.7       raeburn   535:       my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$dom,$crs);
                    536:       my @ccs = ();
                    537:       my @oldccs = ();
                    538:       my %pname = ();
                    539:       my %notifystate = ();
                    540:       foreach (@coursepersonnel) {
                    541:           my @roleinfo = split/:/,$_;
                    542:           if ($roleinfo[0] eq 'cc')  {
                    543:               unless (grep/^$roleinfo[1]\@$roleinfo[2]/,@ccs) {
                    544:                   my $active_cc = &LONCAPA::Enrollment::check_user_status($roleinfo[2],$roleinfo[1],$dom,$crs,'cc');
                    545:                   if ($active_cc eq 'ok') {
                    546:                       push @ccs, "$roleinfo[1]\@$roleinfo[2]";
                    547:                       $pname{"$roleinfo[1]\@$roleinfo[2]"} = &Apache::loncommon::plainname($roleinfo[1],$roleinfo[2]);
                    548:                       if (grep/^$roleinfo[1]\@$roleinfo[2]$/,@notified) {
                    549:                           $notifystate{"$roleinfo[1]\@$roleinfo[2]"} = 1;
                    550:                       } else {
                    551:                           $notifystate{"$roleinfo[1]\@$roleinfo[2]"} = 0;
                    552:                       }
1.1       raeburn   553:                   } else {
1.7       raeburn   554:                       push @oldccs, "$roleinfo[1]\@$roleinfo[2]";
1.1       raeburn   555:                   }
                    556:               }
                    557:           }
                    558:       }
1.7       raeburn   559:       if ($notifycount > 0) {
                    560:           foreach my $person (@notified) {
                    561:               unless ( (grep/^$person$/,@ccs) || ($person eq '') || (grep/^$person$/,@oldccs) ) {
                    562:                   push @ccs, $person;
                    563:                   my ($puname,$pdom) = split/\@/,$person;
                    564:                   $pname{$person} =  &Apache::loncommon::plainname($puname,$pdom);
                    565:                   $notifystate{$person} = 1;
                    566:               }
                    567:           }
                    568:       }
                    569:       my $viewer = $ENV{'user.name'}.'@'.$ENV{'user.domain'};
                    570:       unless ( (grep/^$viewer$/,@ccs) || ($viewer eq '') )  {
                    571:           push @ccs,$viewer;
                    572:           $pname{$viewer} =  &Apache::loncommon::plainname($ENV{'user.name'},$ENV{'user.domain'});
                    573:           $notifystate{$viewer} = 0;
                    574:       }
                    575: 
                    576:       my $notifyshow = @ccs;
                    577: 
                    578:       if (@ccs > 0) {
                    579:           @ccs = sort @ccs;
1.1       raeburn   580:           $r->print("
                    581:              <tr>
1.7       raeburn   582:                <td>The table below contains a list of course coordinators in this course. Uncheck the 'Notification?' checkbox for each person who is to be removed from the list of recipients who are currently informed of roster changes whenever any adds or drops occur during the nightly enrollment check. To include individuals who are not currently recipients, simply check the 'Notification?' checkbox. Click 'Go' to store your changes.
1.1       raeburn   583:               </td>
                    584:              </tr>
                    585:              <tr>
                    586:               <td>
1.7       raeburn   587:                <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    588:                 <tr bgcolor=\"#CCCCFF\">
                    589:                  <td><b>Name</b></td>
                    590:                  <td><b>username</b></td>
                    591:                  <td><b>Current status</b></td>
                    592:                  <td><b>Notification?</b></td>
                    593:                 </tr>
                    594:           ");
                    595:           for (my $i=0; $i<@ccs; $i++) {
                    596:               my $colflag = $i%2;
                    597:               $r->print("<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    598:                  <td>$pname{$ccs[$i]}</td>
                    599:                  <td><input type=\"hidden\" name=\"notifyname_$i\" value=\"$ccs[$i]\" />$ccs[$i]</td>
                    600:                  <td>
                    601:               ");
                    602:               if ($notifystate{$ccs[$i]} == 1) {
                    603:                   $r->print("Notification active");
                    604:               } else {
                    605:                   $r->print("Notification inactive");
                    606:               }
                    607:               if ($notifystate{$ccs[$i]} == 1) {
                    608:                   $r->print("</td><td><input type=\"checkbox\" name=\"note_$i\" checked=\"true\" /></td></tr>");
                    609:               } else {
                    610:                   $r->print("</td><td><input type=\"checkbox\" name=\"note_$i\" /></td></tr>");
                    611:               }
                    612:           }
                    613:           $r->print("
                    614:                </table>
                    615:                <br/>
                    616:                <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    617:                 <tr>
                    618:                  <td align=\"right\">
                    619:                   <input type=\"button\" name=\"notifyset\" value=\"Go\" onClick=\"process('notify')\" />
                    620:                  </td>
                    621:                 </tr>
                    622:                </table>
                    623:               </td>
                    624:              </tr>
1.1       raeburn   625:           ");
1.7       raeburn   626:       } else {
1.1       raeburn   627:           $r->print("
1.7       raeburn   628:              <tr>
                    629:               <td>
                    630:              No course coordinators found.
1.1       raeburn   631:             </td>
1.7       raeburn   632:            </tr>");
1.1       raeburn   633:       }
                    634:       $r->print("
1.7       raeburn   635:           </table>
                    636:           <input type=\"hidden\" name=\"notifyshow\" value=\"$notifyshow\">
                    637:           <input type=\"hidden\" name=\"action\" value=\"$action\">
                    638:           <input type=\"hidden\" name=\"state\" value=\"process\">
                    639:           </form>
1.1       raeburn   640:       ");
                    641:   } elsif ($action eq "crosslist") {
                    642:       my @xlists = ();
                    643:       if ($enrollvar{crosslistings} =~ m/,/) {
                    644:           @xlists = split/,/,$enrollvar{crosslistings};
                    645:       } elsif ($enrollvar{crosslistings} ne '') {
                    646:           $xlists[0] = $enrollvar{crosslistings};
                    647:       }
                    648:       my $cross_str = @xlists;
                    649:       $r->print("
                    650:             <form name=\"enter\" method=\"post\"><br/>
                    651:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    652:              <tr>
                    653:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    654:       ");
                    655:       if ($cross_str > 0) {
                    656:           $r->print("
1.7       raeburn   657:                 Currently, this LON-CAPA course is crosslisted with $cross_str course section(s).  Students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.  For each crosslisting, leave the checkbox checked if you want registered students in that course to be included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise uncheck it. If you wish to change the section/group ID assigned in your LON-CAPA course for a crosslisted course, enter the new section/group ID in the appropriate textbox. The LON-CAPA section/group ID can be left (or set to) empty, if you do not wish to tie a section/group ID to this crosslisting. If you wish to add new crosslisted courses, enter the number of new courses to add in the textbox at the bottom of the page. You will provide information about each of the new crosslistings on a subsequent page.  Click 'Go' to store your changes.
1.1       raeburn   658:               </td>
                    659:              </tr>
                    660:             </table>
                    661:             <br/>
                    662:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    663:              <tr>
                    664:               <td>
                    665:                <table border=\"0\" width=\"100%\" cellspacing=\"3\" cellpadding=\"3\">
                    666:                 <tr bgcolor=\"#CCCCFF\" align=\"left\">
                    667:                  <td><b>Enrollment?</b></td>
                    668:                  <td><b>Crosslisted course</b></td>
                    669:                  <td><b>LON-CAPA section/groupID</b></td>
                    670:                 </tr>
                    671:           ");
                    672:           for (my $i=0; $i<@xlists; $i++) {
                    673:               my $xl = '&nbsp;';
                    674:               my $gp = '&nbsp;';
1.14      raeburn   675:               if ($xlists[$i] =~ /(\w+):?(.*)$/) {
1.1       raeburn   676:                   $xl = $1;
                    677:                   $gp = $2;
                    678:               }               
                    679:               my $colflag = $i%2;
                    680:               $r->print("
                    681:                 <tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    682:                  <td><input type=\"checkbox\" name=\"cross_$i\" checked=\"true\"/></td>
                    683:                  <td>$xl</td>
                    684:                  <td><input type =\"text\" size=\"10\" name=\"gp_$i\" value=\"$gp\"></td>
                    685:                 </tr> 
                    686:               ");
                    687:           }
                    688:           $r->print("  </table>
                    689:               </td>
                    690:              </tr>
                    691:             </table>
                    692:           ");
                    693:       }
                    694:       else {
                    695:           $r->print("
                    696:                 Currently no crosslisted courses are recorded for $enrollvar{coursecode}.
                    697:               </td>
                    698:              </tr>
                    699:             </table>
                    700:           ");
                    701:       }
                    702:       $r->print("   
                    703:             <br/>
                    704:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    705:              <tr>
                    706:               <td align=\"left\">
                    707:                <b>Add new crosslistings.</b><br/>
                    708:                Number of new crosslistings to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numcross\" value=\"0\" />
                    709:               </td>
                    710:              </tr>
                    711:             </table>
                    712:             <br/>
                    713:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    714:              <tr>
                    715:               <td align=\"right\">
                    716:                <input type=\"button\" name=\"crosslist\" value=\"Go\" onClick=\"process('crosslist')\" />
                    717:               </td>
                    718:              </tr>
                    719:             </table>
                    720:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    721:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    722:             </form> 
                    723:       ");
                    724:   } elsif ($action eq "sections") {
1.12      raeburn   725:       my @sections = ();
1.13      raeburn   726:       @sections = &Apache::lonnet::auto_get_sections($crs,$dom,$enrollvar{coursecode});
1.1       raeburn   727:       my @storedsections = ();
                    728:       my @currsections = ();
                    729:       my %sec_id = ();
                    730:       if ($enrollvar{sectionnums} =~ m/,/) {
                    731:           @storedsections = split/,/,$enrollvar{sectionnums};
                    732:       } else {
                    733:           $storedsections[0] = $enrollvar{sectionnums};
                    734:       }
                    735:       foreach (@storedsections) {
                    736:           if ($_ =~ m/^(\w+):(\w*)$/) {
                    737:               push @currsections, $1;
                    738:               $sec_id{$1} = $2;
                    739:           }
                    740:       }
                    741:       if (@sections > 0) {
1.8       raeburn   742:           my $secshow = @sections;
                    743:           $r->print("
1.1       raeburn   744:             <form name=\"enter\" method=\"post\"><br/>
                    745:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    746:              <tr>
                    747:               <td align=\"left\">
                    748:                <b>$$tasktitleref{$action}</b><br/>
                    749:                Your institution's course catalog includes $secshow sections for course code: $enrollvar{coursecode}.
                    750:               </td>
                    751:              </tr>
                    752:              <tr>
1.5       raeburn   753:               <td>For each section, check the checkbox if you want registered students in that section to be included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise uncheck it. If you want to change the section/group designation used for this section in LON-CAPA, delete the current value in the LON-CAPA section/group textbox and enter the new value. The LON-CAPA section/group ID can be left (or set to) empty, if you do not wish to tie a section/group ID to this section. To add a new section, check the 'Enrollment in this course?' checkbox, and enter the desired LON-CAPA section/groupID in the appropriate textbox. Click 'Go' to store
                    754: your changes.</td>
1.1       raeburn   755:              </tr>
                    756:             </table>
                    757:             <br/>
1.7       raeburn   758:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    759:              <tr bgcolor=\"#CCCCFF\">
                    760:               <td><b>Section</b></td>
                    761:               <td><b>Current status</b></td>              
                    762:               <td><b>LON-CAPA section/group ID</b></td>
                    763:               <td><b>Enrollment in this course?</b></td>
                    764:              </tr>
1.8       raeburn   765:           ");
                    766:           for (my $i=0; $i<@sections; $i++) {
                    767:               my $colflag = $i%2;
                    768:               my $shrflag = 0;
                    769:               $r->print("<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
1.5       raeburn   770:                    <td>$sections[$i]<input type=\"hidden\" name=\"secnum_$i\" value=\"$sections[$i]\" /></td>
1.1       raeburn   771:                    <td>
1.8       raeburn   772:               ");
                    773:               if (grep/^$sections[$i]$/,@currsections) {
                    774:                   $r->print("Enrollment active");
                    775:                   $shrflag = 1;
                    776:               } else {
                    777:                   $r->print("Enrollment inactive");
                    778:               }
                    779:               if ($shrflag) {
                    780:                   $r->print("</td><td><input type=\"text\" size=\"10\" name=\"loncapasec_$i\" value=\"$sec_id{$sections[$i]}\"></td><td><input type=\"checkbox\" name=\"sec_$i\" checked=\"true\" /></td></tr>"); 
                    781:               } else {
                    782:                   $r->print("</td><td><input type=\"text\" size=\"10\" name=\"loncapasec_$i\" value=\"\"><td><input type=\"checkbox\" name=\"sec_$i\" /></td></tr>");
1.1       raeburn   783:               }
1.8       raeburn   784:           }
                    785:           $r->print("
1.7       raeburn   786:             </table>
                    787:             <br/>
                    788:             <table width=\"100%\" border=\"0\" cellspacing=\"3\" cellpadding=\"3\">
                    789:              <tr> 
                    790:               <td align=\"right\">
                    791:                <input type=\"hidden\" name=\"secshow\" value=\"$secshow\" />
                    792:                <input type=\"button\" name=\"sections\" value=\"Go\" onClick=\"process('sections')\" />
                    793:               </td>
                    794:              </tr>
                    795:             </table>
                    796:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    797:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    798:             </form>
1.8       raeburn   799:           ");
1.1       raeburn   800:       } else {
                    801:           $r->print("
                    802:             <form name=\"enter\" method=\"post\"><br/>
                    803:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    804:              <tr>
                    805:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    806:           ");
                    807:           if (@currsections) {
                    808:               my $secshow = @currsections;
                    809:               $r->print("
1.7       raeburn   810:                 Currently, this LON-CAPA course incorporates enrollment from $secshow sections.  Students enrolling in any of these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update. For each section, uncheck the checkbox if you want registered students in that section to cease being included in the student roster for LON-CAPA course: <b>$realm ($enrollvar{coursecode})</b>; otherwise leave it checked. If you want to change the section/group designation used for this section in LON-CAPA, delete the current value in the LON-CAPA section/groupID textbox and enter the new value.  If you wish to add new course section, enter the number of new sections to add in the textbox at the bottom of the page. You will provide information about each of the new sections on a subsequent page. Click 'Go' to store your changes.
1.1       raeburn   811:               </td>
                    812:              </tr>
                    813:             </table>
                    814:             <br/>
                    815:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    816:              <tr>
                    817:               <td>
                    818:                <table border=\"0\" width=\"100%\" cellspacing=\"3\" cellpadding=\"3\">
                    819:                 <tr bgcolor=\"#CCCCFF\">
                    820:                  <td><b>Enrollment?</b></td>
                    821:                  <td><b>Section</b></td>
                    822:                  <td><b>LON-CAPA section/groupID</b></td>
                    823:                 </tr>
                    824:               ");
                    825:               for (my $j=0; $j<@currsections; $j++) {
                    826:                   my $colflag = $j%2;
                    827:                   $r->print("
                    828:                 <tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    829:                  <td><input type=\"checkbox\" name=\"sec_$j\" checked=\"true\"/></td>
                    830:                  <td>$currsections[$j]</td>
                    831:                  <td><input type=\"text\" name=\"secgp_$j\" size=\"10\" value=\"$sec_id{$currsections[$j]}\"></td>
                    832:                 </tr> 
                    833:                   ");
                    834:               }
                    835:               $r->print("  </table>
                    836:               </td>
                    837:              </tr>
                    838:             </table>
                    839:               ");
                    840:           } else {
                    841:               $r->print("
                    842:                 Currently no sections of $realm ($enrollvar{coursecode}) are contributing enrollment to the LON-CAPA class roster.
                    843:               </td>
                    844:              </tr>
                    845:             </table>
                    846:               ");
                    847:           }
                    848:           $r->print("   
                    849:             <br/>
                    850:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    851:              <tr>
                    852:               <td align=\"left\">
                    853:                <b>Add enrollment from additional sections.</b><br/>
                    854:                Number of new sections to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numsec\" value=\"0\" />
                    855:               </td>
                    856:              </tr>
                    857:             </table>
                    858:             <br/>
                    859:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    860:              <tr>
                    861:               <td align=\"right\">
                    862:                <input type=\"button\" name=\"sections\" value=\"Go\" onClick=\"process('sections')\" />
                    863:               </td>
                    864:              </tr>
                    865:             </table>
                    866:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    867:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    868:             </form> 
                    869:           ");
                    870:       }
                    871:   } elsif ($action eq "photos") {
                    872:       my @photosets = ("OFF","ON");
                    873:       $r->print("
                    874:                   <form name=\"enter\" method=\"post\"><br/>
                    875:                   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    876:                    <tr>
                    877:                     <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    878:                        Currently: Student photo import:  <i>$photosets[$enrollvar{showphotos}]</i>
                    879:                     </td>
                    880:                    </tr>
                    881:                   </table>
                    882:                   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    883:                     <tr>
                    884:                      <td>
                    885:                          Automatic import of student photos from institutional data repository:&nbsp;&nbsp;
                    886: 
                    887:       ");
                    888:       if ($enrollvar{showphotos}) {
                    889:           $r->print("
                    890:                         <input type=\"radio\" name=\"showphotos\" value=\"1\" checked=\"true\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    891:                         <input type=\"radio\" name=\"showphotos\" value=\"0\" />&nbsp;No
                    892:           ");
                    893:       } else {
                    894:           $r->print("
                    895:                         <input type=\"radio\" name=\"showphotos\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    896:                         <input type=\"radio\" name=\"showphotos\" value=\"0\" checked=\"true\" />&nbsp;No
                    897:           ");
                    898:       }
                    899:       $r->print("
                    900:                      </td>
                    901:                     </tr>
                    902:                     <tr>
                    903:                      <td>
                    904:                       <font color=\"#888888\">
                    905: Note: if you enable automatic import of student photos, your course will automatically have access to photos stored by your institution for all officially registered students, via a conduit established by your LON-CAPA domain coordinator.  
                    906:                       </font>
                    907:                      </td>
                    908:                     </tr>
                    909:                     <tr>
                    910:                      </td>&nbsp;</td>
                    911:                     </tr>
                    912:                     <tr>
                    913:                      <td align=\"right\">
                    914:                       <input type=\"button\" name=\"showphotos\" value=\"Go\" onClick=\"process('photos')\">
                    915:                      </td>
                    916:                     </tr>
                    917:                    </table>
                    918:                    <input type=\"hidden\" name=\"action\" value=\"$action\">
                    919:                    <input type=\"hidden\" name=\"state\" value=\"process\">
                    920:                    </form>
                    921:       ");
                    922:   } elsif ($action eq "updatenow") {
                    923:       $r->print("
                    924:                    <form name=\"enter\" method=\"post\"><br/>
                    925: 		   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    926: 		    <tr>
                    927: 		     <td align=\"left\"><b>$$tasktitleref{$action}</b>
                    928: 		     </td>
                    929:                     </tr>
                    930: 		   </table>
                    931: 		   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    932: 		    <tr>
                    933: 		     <td>
1.17      raeburn   934: 	              Add any students currently included in institutional classlist(s) but not enrolled in your LON-CAPA course.<br />  
                    935: 		      <input type=\"radio\" name=\"updateadds\" value=\"1\">&nbsp;Yes&nbsp;<input type=\"radio\" name=\"updateadds\" value=\"0\">&nbsp;No&nbsp;
1.1       raeburn   936:                      </td>
                    937:                     </tr>
                    938:                     <tr>
                    939:                      <td>
1.17      raeburn   940:  	              Expire students previously added by nightly enrollment process, but no longer listed in institutional  classlist(s).<br />                  
1.14      raeburn   941:                       <input type=\"radio\" name=\"updatedrops\" value=\"1\">&nbsp;Yes&nbsp;
                    942:                       <input type=\"radio\" name=\"updatedrops\" value=\"0\">&nbsp;No&nbsp;<br/>
                    943:                      </td>
                    944:                     </tr>
                    945:                     <tr>
                    946:                      <td><font color=\"#888888\">
1.1       raeburn   947: Note: Any students previously added manually by course coordinator(s) using either 'Upload classlist CSV file' or 'Enroll a single user' will be unaffected by the removal process.
1.14      raeburn   948:                       </font>
                    949:                      </td>
                    950:                     </tr>
                    951:                     <tr>
                    952:                      <td>
                    953:       ");
                    954:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
                    955:       $r->print("
                    956:                      </td>
                    957:                     </tr>
                    958:                     <tr>
                    959:                      <td align=\"right\">
                    960:                       <input type=\"button\" name=\"updatenow\" value=\"Go\" onClick=\"process('updatenow')\" />
                    961:                      </td>
                    962:                     </tr>
                    963: 	           </table>
                    964:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
                    965:                    <input type=\"hidden\" name=\"state\" value=\"process\" />
                    966:                   </form>
                    967:       ");
                    968:   } elsif ($action eq 'viewclass') {
                    969:       $r->print("
                    970:                    <form name=\"studentform\" method=\"post\"><br/>
                    971:                    <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    972:                     <tr>
                    973:                      <td align=\"left\"><b>$$tasktitleref{$action}</b>
                    974:                      </td>
                    975:                     </tr>
1.16      raeburn   976:                     <tr>
                    977:                      <td>Section changes, name changes, and class drops that can be set to occur either automatically or when using the <b>'Update roster now'</b> feature, will affect only those students with an enroll type of <b>'auto'</b>. Students with an enroll type of <b>'manual'</b>, will be converted automatically to the 'auto' type, when they first appear in the institutional classlist for the course - as long as nightly adds are enabled and active, or the update roster utility is used.  Use the 'Lock' checkbox for any manually enrolled students for whom you wish to prevent type conversion. Use the 'Change' checkbox to switch the enroll type from auto to manual, and vice versa. Use the 'Unlock' checkbox for any maually enrolled students for whom you no longer wish to lock the enroll type.  Click the 'Go' button at the end of the page to process your desired changes.</td>
                    978:                     </tr>
                    979:                     <tr><td>&nbsp;</td></tr> 
1.14      raeburn   980:                    </table>
                    981:                    <table>
                    982:                     <tr>
                    983:                      <td>
1.1       raeburn   984:       ");
1.14      raeburn   985:       if (! exists($ENV{'form.sortby'})) {
                    986:           $ENV{'form.sortby'} = 'username';
                    987:       }
                    988:       if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
                    989:           $ENV{'form.Status'} = 'Active';
                    990:       }
                    991:       my $status_select = &Apache::lonhtmlcommon::StatusOptions($ENV{'form.Status'});
                    992: #  Get current classlist
                    993:       my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                    994:       if (! defined($classlist)) {
                    995:           $r->print(&mt('There are no students either currently or previously enrolled.').
                    996:                       "\n");
                    997:       } else {
                    998:           $r->print(&mt('Student Status: [_1]',$status_select)."\n");
                    999:           $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
                   1000:               "\n</p>\n");
                   1001: 
1.16      raeburn  1002:           my ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount) = &Apache::londropadd::show_class_list($r,'autoenroll','nothing',$ENV{'form.Status'},$classlist,$keylist);
1.14      raeburn  1003:           $r->print("
                   1004:                      </td>
                   1005:                     </tr>
                   1006:           ");
                   1007:           if ($studentcount > 0) {
                   1008:               $r->print("
1.16      raeburn  1009:                     <tr><td><table border=\"0\" cellpadding=\"5\"><tr>
                   1010:               ");
                   1011:               my $cellcount = 0;
                   1012:               if ($autocount > 0) {
                   1013:                   $cellcount ++;
                   1014:                   $r->print(<<END);
                   1015:                        <td><fieldset><legend>&nbsp;<b>Change auto</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.chgauto)" />&nbsp;&nbsp;
                   1016:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.chgauto)" /></fieldset></td>
                   1017: END
                   1018:               }
                   1019:               if ($manualcount > 0) {
                   1020:                   $cellcount ++;
                   1021:                   $r->print(<<END);
                   1022:                        <td><fieldset><legend>&nbsp;<b>Change manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.chgmanual)" />&nbsp;&nbsp;
                   1023:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.chgmanual)" /></fieldset></td>
                   1024: END
                   1025:               }
                   1026:               if ($lockcount > 0) {
                   1027:                   if ($cellcount == 2) {
                   1028:                       $r->print("</tr><tr>");
                   1029:                   }
                   1030:                   $cellcount ++;
                   1031:                   $r->print(<<END);
                   1032:                        <td><fieldset><legend>&nbsp;<b>Lock manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.lockchg)" />&nbsp;&nbsp;
                   1033:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.lockchg)" /></fieldset></td>
                   1034: END
                   1035:               }
                   1036:               if ($unlockcount > 0) {
                   1037:                   if ($cellcount == 2) {
                   1038:                       $r->print("</tr><tr>");
                   1039:                   }
                   1040:                   $cellcount ++;
                   1041:                   $r->print(<<END);
                   1042:                        <td><fieldset><legend>&nbsp;<b>Unlock manual</b></legend><input type="button" value="check all" onclick="javascript:checkAll(document.studentform.unlockchg)" />&nbsp;&nbsp;
                   1043:                        <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.unlockchg)" /></fieldset></td>
                   1044: END
                   1045:               }
                   1046:               $r->print("
                   1047:                        </tr>
                   1048:                       </table>
1.14      raeburn  1049:                      <td>&nbsp;</td>
                   1050:                     </tr>
                   1051:                     <tr>
                   1052:                      <td align=\"right\">
1.16      raeburn  1053:                       <input type=\"button\" name=\"viewclass\" value=\"Go\" onClick=\"process('viewclass','$autocount','$manualcount','$lockcount','$unlockcount')\" />
1.14      raeburn  1054:                      </td>
                   1055:                     </tr>
                   1056:               ");
                   1057:           }
                   1058:           $r->print("
                   1059:                    </table>
                   1060:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
                   1061:                    <input type=\"hidden\" name=\"state\" value=\"choose\" />
                   1062:                   </form>
                   1063:           ");
                   1064:       }
1.1       raeburn  1065:   }
                   1066: }
                   1067: 
1.14      raeburn  1068: sub print_accessdate_table {
                   1069:     my ($r,$enrollvar,$tasktitleref,$action) = @_;
                   1070:     my ($start_table,$end_table) = &date_setting_table($$enrollvar{'default_enrollment_start_date'},$$enrollvar{'default_enrollment_end_date'},$action);
                   1071:     my $oldstartshow = '';
                   1072:     my $oldendshow = '';
                   1073:     if ( defined($$enrollvar{'default_enrollment_start_date'}) ) {
                   1074:         $oldstartshow = &Apache::lonlocal::locallocaltime($$enrollvar{'default_enrollment_start_date'});
                   1075:     }
                   1076:     if ( defined($$enrollvar{'default_enrollment_end_date'}) ) {
                   1077:         $oldendshow = &Apache::lonlocal::locallocaltime($$enrollvar{default_enrollment_end_date});
                   1078:         if ($$enrollvar{'default_enrollment_end_date'} eq '0') {
                   1079:             $oldendshow = "No ending date";
                   1080:         }
                   1081:     }
                   1082:     my %lt =&Apache::lonlocal::texthash(
                   1083:          'cuno' => 'Currently NO default first access or last access dates are set.',
                   1084:          'ifyo' => 'If you do not set a start date and an end date, then student roles for students added by the automated enrollment process will start immediately when the student is added and will never become inactive.',
                   1085:          'ifyd' => 'If you do not set an access start date and an end date, then student roles for new students added when you click "Go" will become active immediately and will never become inactive.',
                   1086:          'setf' => 'Set date of first access',
                   1087:          'setl' => 'Set date of last access',
                   1088:          'freg' => 'for registered students added via automated enrollment',
                   1089:          'fnew' => 'for new students added when you update the class roster',
1.16      raeburn  1090:          'ifad'  => 'If automated adds are enabled, then when students are added their student roles will become active on the date set here for first access, and their roles will become inactive on the date set here for last access.  These default access dates will be overridden for specific students if the institutional classlist data supplied to the automatic enrollment process includes entries for the startdate and enddate fields for those students.',
                   1091:          'ncds'  => 'changing default start and end access dates will affect future enrollments and ALSO currently inactive students (i.e., those for whom access will begin in the future).  To change access dates for currently active students, you should change the access dates via this screen, then use Enrollment manager -> Drop Students to drop the students, and then use Automated Enrollment Manager -> Update roster now to re-enroll them with the new access dates.'
                   1092: 
1.14      raeburn  1093:     );
                   1094:     my $dateshow;
                   1095:     if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
                   1096:        $dateshow = "<br/><font size='+1'>".&mt('Warning')."</font>.&nbsp;".$lt{'cuno'}." ";
                   1097:        if ($action eq 'setaccess') {
                   1098:            $dateshow .= $lt{'ifyo'}."\n";
                   1099:        } elsif ($action eq 'updatenow') {
                   1100:            $dateshow .= $lt{'ifyd'}."\n";
                   1101:        }
                   1102:     } else {
                   1103:         $dateshow = &mt('Currently: default first access').": <b><i>$oldstartshow</i></b>, ".&mt('default last access').": <b><i>$oldendshow</i></b>\n";
                   1104:     }
                   1105:     if ($action eq 'setaccess') {
                   1106:         $r->print(<<ENDONE);
                   1107:                 <form name="enter" method="post"><br/>
                   1108:                 <table width="100%" border="0" cellpadding="2" cellspacing="2">
                   1109:                  <tr>
                   1110:                   <td align="left"><b>$$tasktitleref{$action}</b>
                   1111:                   <br /><br />
                   1112:                    $dateshow
                   1113:                   </td>
                   1114:                  </tr>
                   1115:                 </table>
                   1116: ENDONE
                   1117:     } elsif ($action eq 'updatenow') {
                   1118:         $r->print("
                   1119:                 <br /><br />$dateshow\n");
                   1120:     }
                   1121:     $r->print(<<ENDTWO);
                   1122:                 <table width="100%" border="0" cellpadding="3" cellspacing="3">
                   1123:                  <tr>
                   1124:                   <td align="left" colspan="2">
                   1125:                    <table border="0" cellspacing="0" cellpadding="2">
                   1126:                     <tr>
                   1127:                      <td colspan="3">
                   1128: ENDTWO
                   1129:       if ($action eq 'setaccess') {
                   1130:           $r->print("<i>$lt{'setf'} $lt{'freg'}</i>");
                   1131:       } elsif ($action eq 'updatenow') {
                   1132:           $r->print("<i>$lt{'setf'} $lt{'fnew'}</i>");
                   1133:       }
                   1134:       $r->print(<<ENDTHREE); 
                   1135:                        </td>
                   1136:                       </tr>
                   1137:                       <tr>
                   1138:                        <td>$start_table
                   1139:                        </td>
                   1140:                       </tr>
                   1141:                      </table>
                   1142:                     </td>
                   1143:                    </tr>
                   1144:                    <tr>
                   1145:                     <td align="left" colspan="2">
1.15      albertel 1146:                      <table border="0" cellspacing="0" cellpadding="2">
1.14      raeburn  1147:                       <tr>
                   1148:                        <td colspan="3">
                   1149: ENDTHREE
                   1150:     if ($action eq 'setaccess') {
                   1151:         $r->print("<i>$lt{'setl'} $lt{'freg'}</i>");
                   1152:     } elsif ($action eq 'updatenow') {
                   1153:         $r->print("<i>$lt{'setl'} $lt{'fnew'}</i>");
                   1154:     }
                   1155:     $r->print(<<ENDFOUR); 
                   1156:                        </td>
                   1157:                       </tr>
                   1158:                       <tr>
                   1159:                        <td>$end_table
                   1160:                        </td>
                   1161:                       </tr>
                   1162:                      </table>
                   1163:                     </td>
                   1164:                    </tr>
                   1165: ENDFOUR
                   1166:     if ($action eq 'setaccess') {
                   1167:         $r->print("
                   1168:                    <tr>
                   1169:                     <td colspan=\"2\"><font color=\"#888888\">$lt{'ifad'}</font></td>
                   1170:                    </tr>
1.16      raeburn  1171:                    <tr>
                   1172:                     <td colspan=\"2\">&nbsp;</td>
                   1173:                    </tr>
                   1174:                    <tr>
                   1175:                     <td colspan=\"2\"><b>".&mt('Note').":</b> ".$lt{'ncds'}."</td>
                   1176:                    </tr>
1.14      raeburn  1177:                   </table>
                   1178:         ");
                   1179:     } elsif ($action eq 'updatenow') {
                   1180:         $r->print("
                   1181:                    </tr>
                   1182:                   </table>
                   1183:         ");
                   1184:     }
                   1185: }
                   1186: 
1.1       raeburn  1187: ###############################################################
                   1188: sub print_doc_base {
1.15      albertel 1189:     my $r = shift;
                   1190:     $r->print(<<ENDBASE);
1.1       raeburn  1191:   </td>
                   1192:  </tr>
                   1193: </table>
                   1194: <br/>
                   1195: </body>
                   1196: </html> 
                   1197: ENDBASE
                   1198: }
                   1199:  
                   1200: ###################################################################
                   1201: sub print_chgsettings_response {
1.15      albertel 1202:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1203:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend','internal.autoadds','internal.autodrops'],$dom,$crs);
                   1204:     my $currend = '';
                   1205:     my $currstart = '';
                   1206:     my $currsecs = '';
                   1207:     my $currxlists = '';
                   1208:     my $curradds = '';
                   1209:     my $currdrops = '';
                   1210:     if ( defined($settings{'internal.autoadds'}) ) {
                   1211: 	$curradds = $settings{'internal.autoadds'};
                   1212:     }
                   1213:     if ( defined($settings{'internal.autodrops'}) ) {
                   1214: 	$currdrops = $settings{'internal.autodrops'};
                   1215:     }
                   1216:     if ( defined($settings{'internal.autostart'}) ) {
                   1217: 	$currstart = $settings{'internal.autostart'};
                   1218:     }
                   1219:     if ( defined($settings{'internal.autoend'}) ) {
                   1220: 	$currend = $settings{'internal.autoend'};
                   1221:     }
                   1222:     if ( defined($settings{'internal.sectionnums'}) ) {
                   1223: 	$currsecs = $settings{'internal.sectionnums'};
                   1224:     }
                   1225:     if ( defined($settings{'internal.crosslistings'}) ) {
                   1226: 	$currxlists = $settings{'internal.crosslistings'}
                   1227:     }
                   1228:     my $autoadds = '';
                   1229:     my $autodrops = '';
1.1       raeburn  1230: 
1.15      albertel 1231:     if ( exists($ENV{'form.autoadds'}) ) {
                   1232: 	$autoadds=$ENV{'form.autoadds'};
                   1233:     }
                   1234:     if ( exists($ENV{'form.autodrops'}) ) {
                   1235: 	$autodrops=$ENV{'form.autodrops'};
                   1236:     }
                   1237: 
                   1238:     my $response = "";
                   1239:     my $warning = "";
                   1240:     my $warn_prefix = "";
                   1241:     my $warn_suffix = "";
                   1242:     my $warnfiller = "";
                   1243:     my %cenv = ('internal.autoadds' => $autoadds,
                   1244: 		'internal.autodrops' => $autodrops);
                   1245:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1246:     if ($reply !~ /^ok$/) {
                   1247: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1248:     } else {
                   1249: 	if ($autoadds) {
                   1250: 	    if ($curradds) {
                   1251: 		$response = "Nightly additions based on classlist changes still <b>enabled</b><br/>";
                   1252: 	    } else {
                   1253: 		$response = "Nightly additions based on classlist changes now <b>enabled</b><br/>";
                   1254: 	    }
                   1255: 	} else {
                   1256: 	    if ($curradds) {
                   1257: 		$response = "Nightly additions based on classlist changes now <b>disabled</b><br/>";
                   1258: 	    } else {
                   1259: 		$response = "Nightly additions based on classlist changes still <b>disabled</b><br/>";
                   1260: 	    }
                   1261: 	}
                   1262: 	if ($autodrops) {
                   1263: 	    if ($currdrops) {
                   1264: 		$response .= "Nightly removals based on classlist changes still <b>enabled</b><br>";
                   1265: 	    } else {
                   1266: 		$response .= "Nightly removals based on classlist changes now <b>enabled</b><br/>";
                   1267: 	    }
                   1268: 	} else {
                   1269: 	    if ($currdrops) {
                   1270: 		$response .= "Nightly removals based on classlist changes now <b>disabled</b><br>";
                   1271: 	    } else {
                   1272: 		$response .= "Nightly removals based on classlist changes still <b>disabled</b>";
                   1273: 	    }
                   1274: 	}
                   1275: 	if ($autoadds || $autodrops) {
                   1276: 	    $warning = &warning_message($dom,$crs,$action);
                   1277: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you indicated that nightly ";
                   1278: 	    $warn_suffix = " should be enabled, additional action is required.<br/>";
                   1279: 	}
                   1280: 	if ($autoadds) {
                   1281: 	    if ($autodrops) {
                   1282: 		$warnfiller = "adds and drops";
                   1283: 	    } else {
                   1284: 		$warnfiller = "adds";
                   1285: 	    }
                   1286: 	} else {
                   1287: 	    if ($autodrops) {
                   1288: 		$warnfiller = "drops";
                   1289: 	    }
                   1290: 	}
                   1291: 	unless ($warning eq '') {
                   1292: 	    $response = $warn_prefix.$warnfiller.$warn_suffix.$warning;
                   1293: 	}
                   1294:     }
                   1295:     &print_reply($r,$response,$$tasktitleref{$action});
                   1296:     return;
1.1       raeburn  1297: }
                   1298: 
                   1299: sub print_setdates_response {
1.15      albertel 1300:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1301:     my %settings = &Apache::lonnet::get('environment',['internal.autostart','internal.autoend'],$dom,$crs);
                   1302:     my $currstart = $settings{'internal.autostart'};
                   1303:     my $currend = $settings{'internal.autoend'};
                   1304:     my $response = '';
1.19    ! raeburn  1305:     my $showstart = '';
1.15      albertel 1306:     my $showend = '';
                   1307:     my $warning = '';
                   1308:     my $warn_prefix = '';
1.19    ! raeburn  1309:     my ($autostart,$autoend) = &get_dates_from_form();
        !          1310:     if ( ($autostart eq '') || ($autoend eq '') ) {
        !          1311:         $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
        !          1312:     } elsif (($autoend > 0) && ($autoend <= $autostart)) {
        !          1313:         $response = 'The date/time selected for starting auto-enrollment was the same or later than the date/time selected for ending auto-enrollment. As this means auto-enrollment will never be active, your requested changes have not been processed, and the existing values remain in effect. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n";
        !          1314:     } else {       
        !          1315:         $showstart = &Apache::lonlocal::locallocaltime($autostart);
        !          1316:         if ($autoend) {
        !          1317: 	    $showend = &Apache::lonlocal::locallocaltime($autoend);
        !          1318:         } else {
        !          1319: 	    $showend = "'No end date'";
        !          1320:         } 
1.15      albertel 1321: 
1.19    ! raeburn  1322:         my %cenv = ('internal.autostart' => $autostart,
        !          1323:   		    'internal.autoend' => $autoend);
        !          1324:         my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
        !          1325:         if ($reply !~ /^ok$/) {
        !          1326: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
        !          1327:         } else {
        !          1328: 	    if ($currstart == $autostart) {
        !          1329: 	        $response = "The first date for automated enrollment has been left unchanged as $showstart.<br/>";
        !          1330: 	    } else {
        !          1331: 	        $response = "The first date for automated enrollment has been changed to $showstart.<br/>";
        !          1332: 	    } 
        !          1333: 	    if ($currend == $autoend) {
        !          1334: 	        $response .= "The last date for automated enrollment has been left unchanged as $showend.<br/>";
        !          1335: 	    } else {
        !          1336: 	        $response .= "The last date for automated enrollment has been changed to $showend.<br/>";
        !          1337: 	    }
1.1       raeburn  1338:  
1.14      raeburn  1339: # Generate message in case where old first enrollment date was later than today, but new first enrollment date is now today or earlier.
1.1       raeburn  1340: 
1.19    ! raeburn  1341: 	    my $rosterupdated = 0;
        !          1342: 	    my $firstaccess = "";
        !          1343: 	    my $nextupdate = "";
        !          1344: 	    my $lastupdate = "";
        !          1345: 
        !          1346: 	    my $nowstamp = time;
        !          1347: 	    my @date_list=localtime(time);
        !          1348: 	    my $cur_year = $date_list[5];
        !          1349: 	    my $curday = $date_list[3];
        !          1350: 	    my $curmonth = $date_list[4];
        !          1351: 	    my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
        !          1352: 	    my $nextmidnt = 86400 + $lastmidnt;
        !          1353: 
        !          1354: 	    my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
        !          1355: 	    my $lastupdate = $todayupdate - 86400;
        !          1356: 	    if ($nowstamp < $todayupdate) {
        !          1357: 	      $nextupdate = "today";
1.15      albertel 1358: 	    } else {
1.19    ! raeburn  1359: 	      $nextupdate = "tomorrow";
1.15      albertel 1360: 	    }
1.19    ! raeburn  1361: 	    if ($currstart < $lastupdate) {
        !          1362: 	        $rosterupdated = 1;
1.15      albertel 1363: 	    }
1.19    ! raeburn  1364: 	    if ($autostart < $nextmidnt ) {
        !          1365: 	        if ( $autostart >= $lastmidnt) {
        !          1366: 		    $firstaccess = "today";
        !          1367: 	        } else {
        !          1368: 	  	    $firstaccess = "a date prior to today";
        !          1369: 	        }
        !          1370: 	        if (($nowstamp >= $autostart) && ($rosterupdated == 0)) {
        !          1371: 		    $response .= qq|<br>Although you have now set the first enrollment date to $firstaccess, automatic enrollment will <b>not</b> occur until the next automatic enrollment update occurs for all LON-CAPA courses at 1.30 am $nextupdate. If you wish to immediately enroll registered students included in the institutional classlist for this class, please visit the <a href="/adm/populate?action=updatenow">roster update page</a>.<br>|;
        !          1372: 	        }
        !          1373: 	    }
        !          1374: 	    $warning = &warning_message($dom,$crs,$action);
        !          1375: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you set a start and end date for auto-enrollment, additional action is required.<br/>";
        !          1376: 	    unless ($warning eq '') {
        !          1377: 	        $response .= $warn_prefix.$warning;
        !          1378: 	    }
        !          1379:         }
1.15      albertel 1380:     }
                   1381:     &print_reply($r,$response,$$tasktitleref{$action});
                   1382:     return;
1.1       raeburn  1383: }
                   1384: 
1.14      raeburn  1385: sub print_setaccess_response {
1.15      albertel 1386:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1387:     my %settings = &Apache::lonnet::get('environment',['default_enrollment_start_date','default_enrollment_end_date','internal.autostart'],$dom,$crs);
                   1388:     my $currstart = $settings{'default_enrollment_start_date'};
                   1389:     my $currend = $settings{'default_enrollment_end_date'};
                   1390:     my $autostart = $settings{'internal.autostart'};
                   1391:     my $response = '';
                   1392:     my ($startaccess,$endaccess) = &get_dates_from_form();
1.19    ! raeburn  1393:     if (($startaccess eq '') || ($endaccess eq '')) {
        !          1394:         $response = "There was a problem processing your requested changes. The default
        !          1395: start and end access dates for this course have been left unchanged.<br/>";
        !          1396:     } elsif (($endaccess > 0) && ($endaccess <= $startaccess)) {
        !          1397:         $response = 'The default start access date/time you chose was the same or later than the default end access date/time. As this means that roles will never be active, your requested changes have not been processed, and the existing values remain in effect. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n"; 
1.15      albertel 1398:     } else {
1.19    ! raeburn  1399:         my $showstart = &Apache::lonlocal::locallocaltime($startaccess);
        !          1400:         my $showend = '';
        !          1401:         my $warning = '';
        !          1402:         my $warn_prefix = '';
        !          1403:         if ($endaccess) {
        !          1404: 	    $showend = &Apache::lonlocal::locallocaltime($endaccess);
        !          1405:         } else {
        !          1406: 	    $showend = "'No end date'";
        !          1407:         }
1.15      albertel 1408: 
1.19    ! raeburn  1409:         my %cenv = ('default_enrollment_start_date' => $startaccess,
1.15      albertel 1410: 		'default_enrollment_end_date' => $endaccess);
1.19    ! raeburn  1411:         my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
        !          1412:         if ($reply !~ /^ok$/) {
        !          1413: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
        !          1414:         } else {
        !          1415: 	    if ($currstart == $startaccess) {
        !          1416: 	        $response = "The first access date for students added via automated enrollment has been left unchanged as $showstart.<br/>";
        !          1417: 	    } else {
        !          1418: 	        $response = "The first access date for students added via automated enrollment has been changed to
1.14      raeburn  1419: $showstart.<br/>";
1.19    ! raeburn  1420: 	    }
        !          1421: 	    if ($currend == $endaccess) {
        !          1422: 	        $response .= "The last access date for students added via automated enrollment has been left unchanged as $showend.<br/>";
        !          1423: 	    } else {
        !          1424: 	        $response .= "The last access date for students automated enrollment has been changed to
1.14      raeburn  1425: $showend.<br/>";
1.19    ! raeburn  1426: 	    }
1.15      albertel 1427: 	
1.14      raeburn  1428: # Generate message in case where old first access date was later than today, but new first access date is now today or earlier.
1.15      albertel 1429: 	
1.19    ! raeburn  1430: 	    my $accessgiven= 0;
        !          1431: 	    my $firstaccess = "";
        !          1432: 	    my $nextupdate = "";
        !          1433: 	    my $lastupdate = "";
        !          1434: 
        !          1435: 	    my $nowstamp = time;
        !          1436: 	    my @date_list=localtime(time);
        !          1437: 	    my $cur_year = $date_list[5];
        !          1438: 	    my $curday = $date_list[3];
        !          1439: 	    my $curmonth = $date_list[4];
        !          1440: 	    my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
        !          1441: 	    my $nextmidnt = 86400 + $lastmidnt;
        !          1442: 
        !          1443: 	    my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
        !          1444: 	    my $tomorrowupdate = $todayupdate + 86400;
        !          1445: 	    my $lastupdate = $todayupdate - 86400;
        !          1446: 
        !          1447: 	    if ($autostart < $nextmidnt) {
        !          1448: 	        if ($nowstamp < $todayupdate) {
        !          1449: 		    $nextupdate = "at 1.30 am today";
        !          1450: 	        } else {
        !          1451: 		    $nextupdate = "at 1.30 am tomorrow";
        !          1452: 	        }
1.15      albertel 1453: 	    } else {
1.19    ! raeburn  1454: 	        my @enrollstart = localtime($autostart);
        !          1455: 	        $nextupdate = timelocal(0,30,1,$enrollstart[3],$enrollstart[4],$enrollstart[5]);
        !          1456: 	        unless (($enrollstart[2] < 1) || ($enrollstart[2] == 1 && $enrollstart[1] <=30))  {
        !          1457: 		    $nextupdate += 86400; 
        !          1458: 	        }
        !          1459: 	        $nextupdate = &Apache::lonlocal::locallocaltime($nextupdate);
        !          1460: 	    }
        !          1461: 	    if (($currstart < $lastupdate) && ($autostart < $lastupdate)) {
        !          1462: 	        $accessgiven = 1;
        !          1463: 	    }
        !          1464: 	    if ($startaccess < $nextmidnt ) {
        !          1465: 	        if ( $startaccess >= $lastmidnt) {
        !          1466: 	    	    $firstaccess = "today";
        !          1467: 	        } else {
        !          1468: 		    $firstaccess = "a date prior to today";
        !          1469: 	        }
        !          1470: 	        if (($nowstamp >= $startaccess) && ($accessgiven == 0)) {
        !          1471: 		    $response .= qq|<br>Although you have now set the first access date to $firstaccess, automatic enrollment will <b>not</b> occur until the next automatic enrollment update occurs for all LON-CAPA courses $nextupdate. If you wish to grant immediate course access for registered students included in the institutional classlist for this class, please visit the <a href="/adm/populate?action=updatenow">roster update page</a>.<br>|;
        !          1472: 	        }
1.15      albertel 1473: 	    }
1.19    ! raeburn  1474: 	    $warning = &warning_message($dom,$crs,$action);
        !          1475: 	    $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have set default first and last access dates for students who are added via automatic enrollment, additional action is required.<br/>";
        !          1476: 	    unless ($warning eq '') {
        !          1477: 	        $response .= $warn_prefix.$warning;
1.15      albertel 1478: 	    }
1.19    ! raeburn  1479:         }
1.15      albertel 1480:     }
                   1481:     &print_reply($r,$response,$$tasktitleref{$action});
                   1482:     return;
1.14      raeburn  1483: }
                   1484: 
1.1       raeburn  1485: sub print_notify_response {
1.15      albertel 1486:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.1       raeburn  1487: 
                   1488: # Get current settings
1.15      albertel 1489:     my %settings = &Apache::lonnet::get('environment',['internal.notifylist','internal.coursecode'],$dom,$crs);
                   1490:     my $notifylist = $settings{'internal.notifylist'};
                   1491:     my $coursecode = $settings{'internal.coursecode'};
                   1492:     my @currpeople = ();
                   1493:     my $notify = 0;
                   1494:     my @people = ();
                   1495:     my $peoplestr = "";
                   1496:     my $response = "";
                   1497:     my $noprocess = 0;
1.1       raeburn  1498: 
1.15      albertel 1499:     if ($notifylist =~ m/,/) {
                   1500: 	@currpeople = split/,/,$notifylist;
                   1501:     } else {
                   1502: 	$currpeople[0] = $notifylist;
                   1503:     }
                   1504:     my $currcount = 0;
                   1505:     foreach  (@currpeople) {
                   1506: 	unless ($_ eq '') { $currcount ++; } 
                   1507:     }
                   1508: 
                   1509:     if ( exists($ENV{'form.notify'}) ) {
                   1510: 	$notify=$ENV{'form.notify'};
                   1511:     }
                   1512:     if ( exists($ENV{'form.notifyshow'}) ) {
                   1513: 	my $notifyshow = $ENV{'form.notifyshow'};
                   1514: 	for (my $i=0; $i<$notifyshow; $i++) {
                   1515: 	    if ( exists($ENV{"form.note_$i"}) ) {
                   1516: 		if ( exists($ENV{"form.notifyname_$i"}) ) {
                   1517: 		    unless ( $ENV{"form.notifyname_$i"} eq '' ) {
                   1518: 			push @people, $ENV{"form.notifyname_$i"};
                   1519: 		    }
                   1520: 		}
                   1521: 	    }
                   1522: 	}
                   1523: 	if ($notify) { $peoplestr = join(",",@people); }
                   1524:     } else {
                   1525: 	if ($notify) {
                   1526: 	    if ($currcount) {
                   1527: 		$response = "There was a problem retrieving the updated list of recipients of notification messages. The notification settings for this course have been left unchanged.<br/>.";
                   1528: 		$peoplestr = $notifylist;
                   1529: 		@people = @currpeople;
                   1530: 		$noprocess = 1;
                   1531: 	    }
                   1532: 	}
                   1533:     }
                   1534:     unless ($noprocess == 1) {
                   1535: 	my %cenv = ('internal.notifylist' => $peoplestr);
                   1536: 	my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1537: 	if ($reply !~ /^ok$/) {
                   1538: 	    $response = "There was a problem processing your requested changes. The notification settings for this course have been left unchanged.<br/>";
                   1539: 	} else {
                   1540: 	    if ($notify) {
                   1541: 		if (@people) {
                   1542: 		    if ($currcount) {
                   1543: 			$response .= "Notification of enrollment changes still <b>enabled</b><br/>";
                   1544: 		    } else {
                   1545: 			$response .= "Notification of enrollment changes now <b>enabled</b><br/>";
                   1546: 		    }
                   1547: 		    $response .= "<br/>The following will receive notification if there are any changes in enrollment in LON-CAPA course: $realm ($coursecode) as a result of the nightly enrollment check: <br/><ul>\n";
                   1548: 		    foreach my $person (@people) {
                   1549: 			$response .= "<li>$person</li>\n";
                   1550: 		    }
                   1551: 		    $response .= "</ul>\n";
                   1552: 		} else {
                   1553: 		    $response = "Notification of enrollment changes was <b> not enabled</b> as no course coordinators were selected as recipients.<br/>";
                   1554: 		}
                   1555: 	    } else {
                   1556: 		if ($currcount) {
                   1557: 		    $response = "Notification of enrollment changes now <b>disabled</b><br/>";
                   1558: 		} else {
                   1559: 		    $response = "Notification of enrollment changes still <b>disabled</b><br/>";
                   1560: 		}
                   1561: 	    }
                   1562: 	}
                   1563:     }
                   1564:     &print_reply($r,$response,$$tasktitleref{$action});
                   1565:     return;
1.1       raeburn  1566: }
                   1567: 
                   1568: sub print_crosslistings_menu () {
1.15      albertel 1569:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1570:     my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode'],$dom,$crs);
                   1571:     my @currxlists = ();
                   1572:     my @xlists = ();
                   1573:     my $crosscount = 0;
                   1574:     my $removecount = 0;
                   1575:     my $xliststr = '';
                   1576:     my $response = '';
                   1577:     my $coursecode = $settings{'internal.coursecode'};
                   1578:     if ($settings{'internal.crosslistings'} =~ m/,/) {
                   1579: 	@currxlists = split/,/,$settings{'internal.crosslistings'};
                   1580:     } elsif ($settings{'internal.crosslistings'} ne '') {
                   1581: 	$currxlists[0] = $settings{'internal.crosslistings'};
                   1582:     }
                   1583: 
                   1584:     if (@currxlists > 0) {
                   1585: 	for (my $i=0; $i<@currxlists; $i++) {
                   1586: 	    my $xlist = "cross_".$i;
                   1587: 	    my $gp = "gp_".$i;
                   1588: 	    if ( exists($ENV{"form.$xlist"}) ) {
                   1589: 		my $xlistentry = '';
                   1590: 		if ($currxlists[$i] =~ m/^([^:]+)/) {
                   1591: 		    $xlistentry = $1.':';
                   1592: 		}
                   1593: 		if ( exists($ENV{"form.$gp"}) ) {
                   1594: 		    $xlistentry .= $ENV{"form.$gp"};
                   1595: 		}
                   1596: 		push @xlists,$xlistentry;
                   1597: 		$crosscount ++;
                   1598: 	    } else {
                   1599: 		$removecount ++;
                   1600: 	    }
                   1601: 	}
                   1602:     }
1.1       raeburn  1603: 
1.15      albertel 1604:     if ($crosscount > 1) {
                   1605: 	$xliststr = join(",",@xlists);
                   1606:     } else {
                   1607: 	$xliststr = $xlists[0];
                   1608:     }
                   1609:     my %cenv = ('internal.crosslistings' => $xliststr);
                   1610:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1611:     if ($reply !~ /^ok$/) {
                   1612: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1613:     } else {
                   1614: 	if ($removecount > 0) {
                   1615: 	    $response = "A total of $removecount courses are no longer crosslisted with LON-CAPA course: $realm ($coursecode).<br/><br/>";
                   1616: 	}
                   1617: 	if ($crosscount > 0) {
                   1618: 	    $response .=  "The $crosscount courses listed below remain crosslisted with this LON-CAPA course, and students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   1619: 	    foreach (@xlists) {
                   1620: 		my ($xlist,$gp) = split/:/,$_;
                   1621: 		$response .= "<li>$xlist - ID: $gp</li>\n";
                   1622: 	    }
                   1623: 	    $response .= "</ul><br/>\n";
                   1624: 	}
                   1625:     }
                   1626:     if ( exists($ENV{'form.numcross'}) ) {
                   1627: 	my $numcross = $ENV{'form.numcross'};
                   1628: 	if ($numcross > 0) {
                   1629: 	    my @bgcolors=("#eeeeee","#cccccc");
                   1630: 	    $response .= qq(You indicated that you wish to add an additional $numcross crosslisting(s).  For each new crosslisting enter the insititutional course section code (e.g., fs03zol101001, for section 001 of zol101 for fs03 semester), and the LON-CAPA section/group ID you wish to assign to students who will be enrolled in your LON-CAPA class as a result of their registration in the crosslisted course section. The LON-CAPA section/group ID can be left blank, if you do not wish to tie a section/group ID to this crosslisting.  The institutional course section code should only contain letters and/or numbers, and must be consistent with the scheme adopted by your Domain Coordinator to map course codes (and section numbers) to your institution\'s student information system.<br/><br/>
1.1       raeburn  1631:            <form name="enter" method="post">
                   1632:            <table border="0" cellpadding="2" cellspacing="2" width="100%">
                   1633:              <tr>
                   1634:               <td>
                   1635:                <table border="0" cellspacing="3" cellpadding="3">
                   1636:                 <tr bgcolor="#CCCCFF" align="left">
                   1637:                  <td><b>Crosslisting</b></td>
                   1638:                  <td><b>LON-CAPA section/groupID</b></td>
                   1639:                 </tr>
1.15      albertel 1640: 			    );
                   1641: 	    for (my $i=0; $i<$numcross; $i++) {
                   1642: 		my $colflag = $i%2;
                   1643: 		$response .= qq(
1.1       raeburn  1644:                 <tr bgcolor="$bgcolors[$colflag]" align="left">
                   1645:                  <td><input type="text" size="15" name="newcross_$i" /></td>
                   1646:                  <td><input type="text" size="10" name="newgroupid_$i" /></td>
                   1647:                 </tr>
1.15      albertel 1648: 				);
                   1649: 	    }
                   1650: 	    $response .= qq(  </table>
1.1       raeburn  1651:               </td>
                   1652:              </tr>
                   1653:              <tr>
                   1654:               <td align="right">
                   1655:                <input type="button" name="newcross" value="Go" onClick="process('newcross')" />
                   1656:               </td>
                   1657:              </tr>
                   1658:             </table>
                   1659:             <input type=\"hidden\" name=\"numcross\" value=\"$numcross\">
                   1660:             <input type=\"hidden\" name=\"action\" value=\"newcross\">
                   1661:             <input type=\"hidden\" name=\"state\" value=\"process\">
                   1662:             </form>
1.15      albertel 1663: 			      );
                   1664:         }
                   1665:     }
                   1666:     &print_reply($r,$response,$$tasktitleref{$action});
                   1667:     return;
1.1       raeburn  1668: }
                   1669: 
                   1670: sub print_crosslistings_response () {
1.15      albertel 1671:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1672:     my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode','internal.courseowner'],$dom,$crs);
                   1673:     my @currxlists = ();
                   1674:     my @xlists = ();
                   1675:     my @allxlists = ();
                   1676:     my @badxlists = ();
                   1677:     my @badowner = ();
                   1678:     my $numcross = 0;
                   1679:     my $xliststr =  $settings{'internal.crosslistings'};
                   1680:     my $coursecode = $settings{'internal.coursecode'};
                   1681:     my $owner = $settings{'internal.courseowner'};
                   1682:     my $response = '';
                   1683:     my $warning = '';
                   1684:     my $warn_prefix = '';
1.1       raeburn  1685: 
1.15      albertel 1686:     if ($xliststr =~ m/,/) {
                   1687: 	@allxlists = split/,/,$xliststr;
                   1688:     } else {
                   1689: 	unless ($xliststr eq '') { $allxlists[0] = $xliststr; }
                   1690:     }
1.1       raeburn  1691: 
1.15      albertel 1692:     if ( exists($ENV{'form.numcross'}) ) {
                   1693: 	$numcross = $ENV{'form.numcross'};
                   1694:     }
1.1       raeburn  1695: 
1.15      albertel 1696:     if ($numcross > 0) {
                   1697: 	for (my $i=0; $i<$numcross; $i++) {
                   1698: 	    my $xl = "newcross_".$i;
                   1699: 	    my $gp = "newgroupid_".$i;
                   1700: 	    if ( exists($ENV{"form.$xl"}) ) {
                   1701: 		my $coursecheck = '';
                   1702: 		$coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$ENV{"form.$xl"});
                   1703: 		if ($coursecheck eq 'ok') {
                   1704: 		    my $addcheck = '';
                   1705: 		    $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$ENV{"form.$xl"},$owner);
                   1706: 		    if ($addcheck eq 'ok') {
                   1707: 			push @xlists,$ENV{"form.$xl"}.":".$ENV{"form.$gp"};
                   1708: 		    } else {
                   1709: 			push @badowner,$ENV{"form.$xl"}.":".$ENV{"form.$gp"};
                   1710: 		    }
                   1711: 		} else {
                   1712: 		    push @badxlists, $ENV{"form.$xl"}.":".$ENV{"form.$gp"}.":".$coursecheck;
                   1713: 		}
                   1714: 	    }
                   1715: 	}
                   1716: 	push @allxlists, @xlists;
                   1717:     }
                   1718:     
                   1719:     if (@xlists > 0 ) {
                   1720: 	unless ($xliststr eq '') { $xliststr .= ","; }
                   1721: 	if (@xlists > 1) {
                   1722: 	    $xliststr .= join(",",@xlists);
                   1723: 	} else {
                   1724: 	    $xliststr .= $xlists[0];
                   1725: 	}
                   1726: 	my %cenv = ('internal.crosslistings' => $xliststr);
                   1727: 	my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1728: 	if ($reply !~ /^ok$/) {
                   1729: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
                   1730: 	} else {
                   1731: 	    $response = "The courses listed below are now crosslisted with this LON-CAPA course, and students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   1732: 	    foreach (@allxlists) {
                   1733: 		my ($xlist,$gp) = split/:/,$_;
                   1734: 		$response .= "<li>$xlist - ID: $gp</li>\n";
                   1735: 	    }
                   1736: 	    $response .= "</ul><br/><br/>\n";
                   1737: 	}
                   1738:     } else {
                   1739: 	if ($xliststr =~ m/:/) {
                   1740: 	    my @oldxlists = ();
                   1741: 	    if ($xliststr =~ m/,/) {
                   1742: 		@oldxlists = split/,/,$xliststr;
                   1743: 	    } else {
                   1744: 		$oldxlists[0] = $xliststr;
                   1745: 	    }
                   1746: 	    $response .= "Although no new crosslistings were added, the courses listed below continue to be crosslisted with your LON-CAPA course.<br/><ul>\n";
                   1747: 	    foreach (@oldxlists) {
                   1748: 		my ($xlist,$gp) = split/:/,$_;
                   1749: 		$response .= "<li>$xlist - ID: $gp</li>\n";
                   1750: 	    }
                   1751: 	    $response .= "</ul><br/><br/>\n";
                   1752: 	}
                   1753:     }
                   1754:     if (@badxlists > 0) {
                   1755: 	$response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because they are not valid courses according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   1756: 	foreach (@badxlists) {
                   1757: 	    my ($xlist,$gp,$prob) = split/:/,$_;
                   1758: 	    $response .= "<li>$xlist - ID: $gp - Error: $prob</li>\n";
                   1759: 	}
                   1760: 	$response .= "</ul><br/><br/>\n";
                   1761:     }
                   1762:     
                   1763:     if (@badowner > 0) {
                   1764: 	$response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   1765: 	foreach (@badowner) {
                   1766: 	    my ($xlist,$gp) = split/:/,$_;
                   1767: 	    $response .= "<li>$xlist - ID: $gp</li>\n";
                   1768: 	}
                   1769: 	$response .= "</ul><br/><br/>\n";
                   1770:     }
1.5       raeburn  1771: 
1.15      albertel 1772:     if (@allxlists > 0) {
                   1773: 	$warning = &warning_message($dom,$crs,$action);
                   1774: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected crosslisted courses to contribute enrollment to this course, additional action is required.<br/>";
                   1775: 	unless ($warning eq '') {
                   1776: 	    $response .= $warn_prefix.$warning;
                   1777: 	}
                   1778:     }
1.1       raeburn  1779: 
1.15      albertel 1780:     &print_reply($r,$response,$$tasktitleref{$action});
                   1781:     return;
1.1       raeburn  1782: }
                   1783: 
                   1784: sub print_sections_menu () {
1.15      albertel 1785:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1786:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
                   1787:     my @currsections = ();
                   1788:     my @sections = ();
                   1789:     my @badowner = ();
                   1790:     my @badsections = ();
                   1791:     my $seccount = 0;
                   1792:     my $removecount = 0;
                   1793:     my $addcount = 0;
                   1794:     my $secstr = '';
                   1795:     my $response = '';
                   1796:     my $warning = "";
                   1797:     my $warn_prefix = "";
                   1798:     my $coursecode = $settings{'internal.coursecode'};
                   1799:     my $owner = $settings{'internal.courseowner'};
                   1800:     if ($settings{'internal.sectionnums'} =~ m/,/) {
                   1801: 	@currsections = split/,/,$settings{'internal.sectionnums'};
                   1802:     } elsif ($settings{'internal.sectionnums'} ne '') {
                   1803: 	$currsections[0] = $settings{'internal.sectionnums'};
                   1804:     }
                   1805:     
                   1806:     if ( exists($ENV{'form.secshow'}) ) {
                   1807: 	for (my $i=0; $i<$ENV{'form.secshow'}; $i++) {
                   1808: 	    my $gp = "loncapasec_".$i;
                   1809: 	    my $secnum = "secnum_".$i;
                   1810: 	    my $sec = "sec_".$i;
                   1811: 	    if ( exists( $ENV{"form.$sec"} ) ) {
                   1812: 		my $secentry;
                   1813: 		if ( exists( $ENV{"form.$secnum"} ) ) { 
                   1814: 		    $secentry = $ENV{"form.$secnum"}.':';
                   1815: 		}
                   1816: 		if ( exists( $ENV{"form.$gp"} ) ) {
                   1817: 		    $secentry .= $ENV{"form.$gp"};
                   1818: 		}
                   1819: 		if ( grep/^$ENV{"form.$secnum"}:/,@currsections) {
                   1820: 		    push @sections, $secentry;
                   1821: 		    $seccount ++;
                   1822: 		} else {
                   1823: 		    my $newsec = $coursecode.$ENV{"form.$secnum"};
                   1824: 		    my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
                   1825: 		    if ($coursecheck eq 'ok') {
                   1826: 			my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
                   1827: 			if ($addcheck eq 'ok') {
                   1828: 			    push @sections,$ENV{"form.$secnum"}.":".$ENV{"form.$gp"};
                   1829: 			    $seccount ++;
                   1830: 			    $addcount ++;
                   1831: 			} else {
                   1832: 			    push @badowner,$ENV{"form.$secnum"}.":".$ENV{"form.$gp"};
                   1833: 			}
                   1834: 		    } else {
                   1835: 			push @badsections, $ENV{"form.$secnum"}.":".$ENV{"form.$gp"}.":".$coursecheck;
                   1836: 		    }
                   1837: 		}
                   1838: 	    }
                   1839: 	}
                   1840: 	if (@currsections > 0) {
                   1841: 	    for (my $i=0; $i<@currsections; $i++) {
                   1842: 		if ($currsections[$i] =~ m/^(\w+:)/ ) {
                   1843: 		    my $oldsec  = $1;
                   1844: 		    unless (grep/^$oldsec/,@sections) {
                   1845: 			$removecount ++;
                   1846: 		    }
                   1847: 		}
                   1848: 	    }
                   1849: 	}
                   1850:     } elsif (@currsections > 0) {
                   1851: 	for (my $i=0; $i<@currsections; $i++) {
                   1852: 	    my $sec = "sec_".$i;
                   1853: 	    my $gp = "secgp_".$i;
                   1854: 	    if ( exists($ENV{"form.$sec"}) ) {
                   1855: 		my $secentry = '';
                   1856: 		if ($currsections[$i] =~ m/^(\w+:)/ ) {
                   1857: 		    $secentry = $1;
                   1858: 		}
                   1859: 		if ( exists($ENV{"form.$gp"}) ) {
                   1860: 		    $secentry .= $ENV{"form.$gp"};
                   1861: 		}
                   1862: 		push @sections,$secentry;
                   1863: 		$seccount ++;
                   1864: 	    } else {
                   1865: 		$removecount ++;
                   1866: 	    }
                   1867: 	}
                   1868:     }
                   1869:     
                   1870:     if ($seccount > 1) {
                   1871: 	$secstr = join(",",@sections);
                   1872:     } else {
                   1873: 	$secstr = $sections[0];
                   1874:     }
                   1875:     my %cenv = ('internal.sectionnums' => $secstr);
                   1876:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1877:     if ($reply !~ /^ok$/) {
                   1878: 	$response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1879:     } else {
                   1880: 	if ($removecount > 0) {
                   1881: 	    $response = "A total of $removecount sections have been removed from the list of sections which contribute to enrollment in LON-CAPA course: $realm ($coursecode).<br/><br/>";
                   1882: 	}
                   1883: 	if ($addcount > 0) {
                   1884: 	    $response .= "A total of $addcount sections have been added to the list of
1.6       raeburn  1885: sections which contribute to enrollment in LON-CAPA course: $realm ($coursecode).<br/><br/>";
1.15      albertel 1886: 	}
                   1887: 	if ($seccount > 0) { 
                   1888: 	    $response .= "Students enrolling in the $seccount section(s) listed below will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   1889: 	    foreach (@sections) {
                   1890: 		my ($sec,$gp) = split/:/,$_;
                   1891: 		$response .= "<li>$sec  - ID: $gp</li>\n";
                   1892: 	    }
                   1893: 	    $response .= "</ul><br/>\n";
                   1894: 	}
                   1895:     }
                   1896:     
                   1897:     if (@badsections > 0) {
                   1898: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because they are not valid section numbers according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   1899: 	foreach (@badsections) {
                   1900: 	    my ($secnum,$gp,$prob) = split/:/,$_;
                   1901: 	    $response .= "<li>$secnum - ID: $gp - Error: $prob</li>\n";
                   1902: 	}
                   1903: 	$response .= "</ul><br/><br/>\n";
                   1904:     }
                   1905:     
                   1906:     if (@badowner > 0) {
                   1907: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   1908: 	foreach (@badowner) {
                   1909: 	    my ($secnum,$gp) = split/:/,$_;
                   1910: 	    $response .= "<li>$secnum - ID: $gp</li>\n";
                   1911: 	}
                   1912: 	$response .= "</ul><br/><br/>\n";
                   1913:     }
                   1914:     
                   1915:     if ($seccount > 0) {
                   1916: 	$warning = &warning_message($dom,$crs,$action);
                   1917: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected sections to contribute enrollment to this course, additional action is required.<br/>";
                   1918: 	unless ($warning eq '') {
                   1919: 	    $response .= $warn_prefix.$warning;
                   1920: 	}
                   1921:     }
                   1922:     
                   1923:     if ( exists($ENV{'form.numsec'}) ) {
                   1924: 	my $numsec = $ENV{'form.numsec'};
                   1925: 	if ($numsec > 0) {
                   1926: 	    my @bgcolors=("#eeeeee","#cccccc");
                   1927: 	    $response .= qq(
                   1928: 			    You indicated that you wish to incorporate student enrollment in your LON-CAPA course from an additional $numsec section(s).  For each new section enter the insititutional section code (e.g., 004), and the LON-CAPA section/group ID you wish to assign to students who will be enrolled in your LON-CAPA class as a result of their registration in this particular section. The LON-CAPA section/group ID can be left blank, if you do not wish to designate a section/group ID for this course section.  The institutional section code should only contain letters and/or numbers, and must be consistent with the scheme adopted by your Domain Coordinator to map course section numbers to your institution\'s student information system.<br/><br/> 
1.1       raeburn  1929:            <form name="enter" method="post">
                   1930:            <table border="0" cellpadding="2" cellspacing="2" width="100%">
                   1931:              <tr>
                   1932:               <td>
                   1933:                <table border="0" cellspacing="3" cellpadding="3">
                   1934:                 <tr bgcolor="#CCCCFF" align="left">
                   1935:                  <td><b>Section number</b></td>
                   1936:                  <td><b>LON-CAPA section/groupID</b></td>
                   1937:                 </tr>
1.15      albertel 1938: 			    );
                   1939: 	    for (my $i=0; $i<$numsec; $i++) {
                   1940: 		my $colflag = $i%2;
                   1941: 		$response .= qq(
1.1       raeburn  1942:                 <tr bgcolor="$bgcolors[$colflag]" align="left">
                   1943:                  <td><input type="text" size="15" name="newsec_$i" /></td>
                   1944:                  <td><input type="text" size="10" name="newsecgp_$i" /></td>
                   1945:                 </tr>
1.15      albertel 1946: 				);
                   1947: 	    }
                   1948: 	    $response .= qq(  </table>
1.1       raeburn  1949:               </td>
                   1950:              </tr>
                   1951:              <tr>
                   1952:               <td align="right">
                   1953:                <input type="button" name="newsections" value="Go" onClick="process('newsections')" />
                   1954:               </td>
                   1955:              </tr>
                   1956:             </table>
                   1957:             <input type=\"hidden\" name=\"numsec\" value=\"$numsec\">
                   1958:             <input type=\"hidden\" name=\"action\" value=\"newsections\">
                   1959:             <input type=\"hidden\" name=\"state\" value=\"process\">
                   1960:             </form>
1.15      albertel 1961: 			      );
                   1962: 	}
                   1963:     }
                   1964:     &print_reply($r,$response,$$tasktitleref{$action});
                   1965:     return;
1.1       raeburn  1966: }
                   1967: 
                   1968: sub print_sections_response () {
1.15      albertel 1969:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1970:     my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
                   1971:     my @currsections = ();
                   1972:     my @sections = ();
                   1973:     my @allsections = ();
                   1974:     my @badowner = ();
                   1975:     my @badsections = ();
                   1976:     my $numsec = 0;
                   1977:     my $secstr =  $settings{'internal.sectionnums'};
                   1978:     my $coursecode = $settings{'internal.coursecode'};
                   1979:     my $owner = $settings{'internal.courseowner'};
                   1980:     my $response = '';
                   1981:     my $putreply = '';
                   1982:     my $warning = '';
                   1983:     my $warn_prefix = '';
                   1984:     if ($secstr =~ m/,/) {
                   1985: 	@allsections = split/,/,$secstr;
                   1986:     } else {
                   1987: 	unless ($secstr eq '') { $allsections[0] = $secstr; }
                   1988:     }
                   1989:     
                   1990:     if ( exists($ENV{'form.numsec'}) ) {
                   1991: 	$numsec = $ENV{'form.numsec'};
                   1992:     }
                   1993:     
                   1994:     if ($numsec > 0) {
                   1995: 	for (my $i=0; $i<$numsec; $i++) {
                   1996: 	    my $sec = "newsec_".$i;
                   1997: 	    my $gp = "newsecgp_".$i;
                   1998: 	    if ( exists($ENV{"form.$sec"}) ) {
                   1999: 		unless ( (grep/^$ENV{"form.$sec"}:/,@allsections) || (grep/^$ENV{"form.$sec"}:/,@sections) ) {
                   2000: 		    my $newsec = $coursecode.$ENV{"form.$sec"};
                   2001: 		    my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
                   2002: 		    if ($coursecheck eq 'ok') {
                   2003: 			my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
                   2004: 			if ($addcheck eq 'ok') {
                   2005: 			    push @sections,$ENV{"form.$sec"}.":".$ENV{"form.$gp"};
                   2006: 			} else {
                   2007: 			    push @badowner,$ENV{"form.$sec"}.":".$ENV{"form.$gp"};
                   2008: 			}
                   2009: 		    } else {
                   2010: 			push @badsections, $ENV{"form.$sec"}.":".$ENV{"form.$gp"}.":".$coursecheck;
                   2011: 		    }
                   2012: 		}
                   2013: 	    }
                   2014: 	}
                   2015: 	push @allsections, @sections;
                   2016:     }
                   2017:     
                   2018:     if (@sections > 0 ) {
                   2019: 	unless ($secstr eq '') { $secstr .= ","; } 
                   2020: 	if (@sections > 1) {
                   2021: 	    $secstr .= join(",",@sections);
                   2022: 	} else {
                   2023: 	    $secstr .= $sections[0];
                   2024: 	}
                   2025: 	my %cenv = ('internal.sectionnums' => $secstr);
                   2026: 	$putreply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2027: 	if ($putreply !~ /^ok$/) {
                   2028: 	    $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
                   2029: 	}
                   2030:     }
                   2031: 
                   2032:     if ($putreply =~ /^ok/) {
                   2033: 	$response = "Students enrolling in the sections listed below will be automatically added to the class roster for LON-CAPA course $realm ($coursecode), if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
                   2034: 	foreach (@allsections) {
                   2035: 	    my ($sec,$gp) = split/:/,$_;
                   2036: 	    $response .= "<li>$sec - ID: $gp</li>\n";
                   2037: 	}
                   2038: 	$response .= "</ul><br/><br/>\n";
                   2039:     }
                   2040: 
                   2041:     if (@badsections > 0) {
                   2042: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because they are not valid section numbers according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   2043: 	foreach (@badsections) {
                   2044: 	    my ($secnum,$gp,$prob) = split/:/,$_;
                   2045: 	    $response .= "<li>$secnum - ID: $gp - Error: $prob</li>\n";
                   2046: 	}
                   2047: 	$response .= "</ul><br/><br/>\n";
                   2048:     }
                   2049: 
                   2050:     if (@badowner > 0) {
                   2051: 	$response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   2052: 	foreach (@badowner) {
                   2053: 	    my ($secnum,$gp) = split/:/,$_;
                   2054: 	    $response .= "<li>$secnum - ID: $gp</li>\n";
                   2055: 	}
                   2056: 	$response .= "</ul><br/><br/>\n";
                   2057:     }
                   2058: 
                   2059:     if (@allsections > 0) {
                   2060: 	$warning = &warning_message($dom,$crs,$action);
                   2061: 	$warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected sections to contribute enrollment to this course, additional action is required.<br/>";
                   2062: 	unless ($warning eq '') {
                   2063: 	    $response .= $warn_prefix.$warning;
                   2064: 	}
                   2065:     }
1.1       raeburn  2066: 
1.15      albertel 2067:     &print_reply($r,$response,$$tasktitleref{$action});
                   2068:     return;
1.1       raeburn  2069: }
                   2070: 
                   2071: sub print_photos_response () {
1.15      albertel 2072:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2073:     my %settings = &Apache::lonnet::get('environment',['internal.showphotos'],$dom,$crs);
                   2074:     my $currphotos = $settings{'internal.showphotos'};
                   2075:     my $showphotos = '';
                   2076:     if ( exists($ENV{'form.showphotos'}) ) {
                   2077: 	$showphotos=$ENV{'form.showphotos'};
                   2078:     }
                   2079:     
                   2080:     my $response = "";
                   2081:     my %cenv = ('internal.showphotos' => $showphotos);
                   2082:     my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   2083:     if ($reply !~ /^ok$/) {
                   2084: 	$response = "There was a problem processing your requested change. The student photo import setting for this course has been left unchanged.<br/>";
                   2085:     } else {
                   2086: 	if ($showphotos) {
                   2087: 	    if ($currphotos) {
                   2088: 		$response = "Retrieval of student photos is still <b>enabled</b><br/>";
                   2089: 	    } else {
                   2090: 		$response = "Retrieval of student photos in now <b>enabled</b><br/>";
                   2091: 	    }
                   2092: 	} else {
                   2093: 	    if ($currphotos) {
                   2094: 		$response = "Retrieval of student photos is now <b>disabled</b><br/>";
                   2095: 	    } else {
                   2096: 		$response = "Retrieval of student photos is still <b>disabled</b><br/>";
                   2097: 	    }
                   2098: 	}
                   2099:     }
                   2100:     &print_reply($r,$response,$$tasktitleref{$action});
                   2101:     return;
1.1       raeburn  2102: }
                   2103: 
                   2104: sub print_update_result () {
1.15      albertel 2105:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2106:     my $response = '';
                   2107:     my $updateadds = 0;
                   2108:     my $updatedrops = 0;
                   2109:     my $changecount = 0;
                   2110:     my %affiliates = ();
                   2111:     my %reply = ();
                   2112:     my @allcourses = ();
                   2113:     my %LC_code = ();
                   2114:     my $logmsg = '';
                   2115:     my $newusermsg = '';
                   2116: 
                   2117:     my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.sectionnums','internal.crosslistings','internal.authtype','internal.autharg'],$dom,$crs);
                   2118:     my $coursecode = $settings{'internal.coursecode'};
                   2119:     my $authtype = $settings{'internal.authtype'};
                   2120:     my $autharg = $settings{'internal.autharg'};
                   2121:     my ($startaccess,$endaccess) = &get_dates_from_form();
                   2122:     if ( exists($ENV{'form.updateadds'}) ) {
1.19    ! raeburn  2123:         $updateadds = $ENV{'form.updateadds'};
1.15      albertel 2124:     }
                   2125:     if ( exists($ENV{'form.updatedrops'}) ) {
1.19    ! raeburn  2126:         $updatedrops = $ENV{'form.updatedrops'};
1.15      albertel 2127:     }
1.19    ! raeburn  2128:     if (($startaccess eq '') || ($endaccess eq '')) {
        !          2129:         $response = "There was a problem processing your requested roster update because start and and access dates could not be determined. No changes have been made to the class roster.<br />"; 
        !          2130:     } elsif ($updateadds && (($endaccess > 0) && ($endaccess <= $startaccess))) {
        !          2131:         $response = 'The start access date/time is the same or later than the end access date/time. As this means that new roles will never be active, your requested roster update has not been carried out, and the roster remains unchanged. Please <a href="javascript:history.go(-1)">go back</a> to the previous page to try your changes again.'."\n";
        !          2132:     } elsif (!$updateadds && !$updatedrops) {
1.15      albertel 2133: 	$response = "An update of the class roster has not been carried out because you indicated that you wanted to neither add new students, nor expire dropped students based on a comparison between the institutional class lists for the course sections and crosslisted courses that contribure enrollment to this LON-CAPA course.";
                   2134:     } elsif ($coursecode eq '') {
                   2135: 	$response = "There was a problem retrieving the course code for this LON-CAPA course.  An update of the class roster has not been carried out, and enrollment remains unchanged";
                   2136:     } else {
1.1       raeburn  2137: # Get complete list of course sections to update
1.15      albertel 2138: 	my @currsections = ();
                   2139: 	my @currxlists = ();
                   2140: 	
                   2141: 	if ($settings{'internal.sectionnums'} =~ m/,/) {
                   2142: 	    @currsections = split/,/,$settings{'internal.sectionnums'};
                   2143: 	} elsif ($settings{'internal.sectionnums'} ne '') {
                   2144: 	    $currsections[0] = $settings{'internal.sectionnums'};
                   2145: 	}
                   2146: 	
                   2147: 	if ($settings{'internal.crosslistings'} =~ m/,/) {
                   2148: 	    @currxlists = split/,/,$settings{'internal.crosslistings'};
                   2149: 	} elsif ($settings{'internal.crosslistings'} ne '') {
                   2150: 	    $currxlists[0] = $settings{'internal.crosslistings'};
                   2151: 	}
                   2152: 	
                   2153: 	if (@currxlists > 0) {
                   2154: 	    foreach (@currxlists) {
                   2155: 		if (m/^(\w+):(\w*)$/) {
                   2156: 		    unless (grep/^$1$/,@allcourses) { 
                   2157: 			push @allcourses,$1;
                   2158: 			$LC_code{$1} = $2; 
                   2159: 		    }
                   2160: 		}
                   2161: 	    }
                   2162: 	}
                   2163: 	
                   2164: 	if (@currsections > 0) {
                   2165: 	    foreach (@currsections) {
                   2166: 		if (m/^(\w+):(\w*)$/) {
                   2167: 		    my $sec = $coursecode.$1;
                   2168: 		    my $gp = $2;
                   2169: 		    unless (grep/^$sec$/,@allcourses) { 
                   2170: 			push @allcourses,$sec;
                   2171: 			$LC_code{$sec} = $gp; 
                   2172: 		    }
                   2173: 		}
                   2174: 	    }
                   2175: 	}
                   2176: 
                   2177: 	if (@allcourses > 0) {
                   2178: 	    @{$affiliates{$crs}} = @allcourses;
                   2179: 	    my $outcome = &Apache::lonnet::fetch_enrollment_query('updatenow',\%affiliates,\%reply,$dom,$crs);
1.19    ! raeburn  2180:             unless ($outcome eq 'ok') {
        !          2181:                 &Apache::lonnet::logthis("lonpopulate:update roster".
        !          2182:                                          "failed to retrieve classlist".
        !          2183:                                  " data for ".$crs."\@".$dom." by ".
        !          2184:                                  $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
        !          2185:                                  ": ".$outcome);
        !          2186:             }
1.15      albertel 2187: 	    if ($reply{$crs} > 0) {
                   2188: 		($changecount,$response) = &LONCAPA::Enrollment::update_LC($dom,$crs,$updateadds,$updatedrops,$startaccess,$endaccess,$authtype,$autharg,\@allcourses,\%LC_code,\$logmsg,\$newusermsg,"updatenow");
                   2189: 	    } else {
                   2190: 		$response = "There was a problem retrieving institutional class list data for the course sections and crosslisted courses which contribute enrollment to this course. No updates have been carried out, and the roster remains unchanged.";
                   2191: 	    }  
                   2192: 	} else {
                   2193: 	    $response = "There are currently no course sections or crosslisted courses designated as contributors to enrollment in this LON-CAPA course. As a result a student roster update has not been carried out for $realm ($coursecode)";
                   2194: 	}
                   2195:     }
                   2196:     unless ($logmsg eq '') {
                   2197: 	my $loglength = length($logmsg);
                   2198: 	$logmsg = substr($logmsg,0,$loglength-4);
                   2199: 	$logmsg = "<br/><br/>The following messages were generated by the roster update process: <br/><ul><li>".$logmsg."</ul><br/>";
                   2200:     }
                   2201:     unless ($newusermsg eq '') {
                   2202: 	$newusermsg = substr( $newusermsg,0,rindex($newusermsg,'<li>') );
1.19    ! raeburn  2203: 	$newusermsg = "<br/><br/>The following new system user(s) who was/were created will be using local or internal authentication with an initial randomly generated password. A valid e-mail address was not available for this/these user(s) so LON-CAPA account credentials could not be sent via e-mail.<br/><ul><li>".$newusermsg."</ul><br/>";
1.15      albertel 2204:     }
                   2205:     $response .= $logmsg.$newusermsg;
                   2206:     &print_reply($r,$response,$$tasktitleref{$action});
                   2207:     return;
1.10      raeburn  2208: }
                   2209: 
1.14      raeburn  2210: sub print_viewclass_response {
                   2211:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   2212:     my $response;
                   2213:     my $chgtotal = 0;
                   2214:     my $chgok = 0;
                   2215:     my $chgfail = 0;
                   2216:     my $othdom = 0;
1.16      raeburn  2217:     my $locktotal = 0;
                   2218:     my $lockok = 0;
                   2219:     my $lockfail = 0;
1.14      raeburn  2220:     my $cid = $dom."_".$crs;
                   2221:     my %chg = ();
                   2222:     my %nochg = ();
                   2223:     my %otherdom = ();
1.16      raeburn  2224:     my %lockchg = ();
                   2225:     my %nolockchg = ();
1.14      raeburn  2226:     my $classlist = &Apache::loncoursedata::get_classlist($cid,$dom,$crs);
                   2227:     my $endidx = &Apache::loncoursedata::CL_END;
                   2228:     my $startidx = &Apache::loncoursedata::CL_START;
                   2229:     my $ididx=&Apache::loncoursedata::CL_ID;
                   2230:     my $secidx=&Apache::loncoursedata::CL_SECTION;
                   2231:     my $typeidx=&Apache::loncoursedata::CL_TYPE;
1.16      raeburn  2232:     my $lockedidx=&Apache::loncoursedata::CL_LOCKEDTYPE;
                   2233:     my @typechglist = ();
                   2234:     my @lockchglist = ();
                   2235:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['chgauto','chgmanual','lockchg','unlockchg']);
                   2236:     if ($ENV{'form.chgauto'}) {
                   2237:         if (ref($ENV{'form.chgauto'}) eq 'ARRAY') {
                   2238:             push @typechglist, @{$ENV{'form.chgauto'}};
                   2239:         } else {
                   2240:             push @typechglist, $ENV{'form.chgauto'};
                   2241:         }
                   2242:     }
                   2243:     if ($ENV{'form.chgmanual'}) {
                   2244:         if (ref($ENV{'form.chgmanual'}) eq 'ARRAY') {
                   2245:             push @typechglist, @{$ENV{'form.chgmanual'}};
                   2246:         } else {
                   2247:             push @typechglist, $ENV{'form.chgmanual'};
                   2248:         }
                   2249:     }
                   2250:     if ($ENV{'form.lockchg'}) {
                   2251:         if (ref($ENV{'form.lockchg'}) eq 'ARRAY') {
                   2252:             push @lockchglist, @{$ENV{'form.lockchg'}};
                   2253:         } else {
                   2254:             push @lockchglist, $ENV{'form.lockchg'};
                   2255:         }
                   2256:     }
                   2257:     if ($ENV{'form.unlockchg'}) {
                   2258:         if (ref($ENV{'form.unlockchg'}) eq 'ARRAY') {
                   2259:             push @lockchglist, @{$ENV{'form.unlockchg'}};
                   2260:         } else {
                   2261:             push @lockchglist, $ENV{'form.unlockchg'};
                   2262:         }
                   2263:     }
                   2264:     foreach my $student (sort @typechglist) {
                   2265:         my ($uname,$udom) = split/:/,$student;
                   2266:         my $sdata    = $classlist->{$student};
                   2267:         my $section  = $sdata->[$secidx];
                   2268:         my $uid       = $sdata->[$ididx];
                   2269:         my $start    = $sdata->[$startidx];
                   2270:         my $end      = $sdata->[$endidx];
                   2271:         my $type     = $sdata->[$typeidx];
                   2272:         my $lock   = $sdata->[$lockedidx];
                   2273:         my $newlock = $lock;
                   2274:         $chgtotal ++;
                   2275:         my $newtype = 'auto';
                   2276:         my $change = 'auto';
                   2277:         my $oldtype = 'manual';
                   2278:         if ($type eq 'auto') { 
                   2279:             $oldtype = 'auto';
                   2280:             $newtype = '';
                   2281:             $change = 'manual';
                   2282:         }
                   2283:         if ($udom eq $dom) {
                   2284:             if ($newtype eq 'auto') {
                   2285:                 $newlock = '';
                   2286:             } elsif ($newtype eq '') {
                   2287:                 $newlock = '1';
1.14      raeburn  2288:             }
1.16      raeburn  2289:             my $modreply = &Apache::lonnet::modify_student_enrollment($udom,$uname,$uid,'','','','',$section,$end,$start,$newtype,$newlock,$cid);
                   2290:             if ($modreply eq 'ok') {
                   2291:                 $chgok ++;
                   2292:                 $chg{$student} = "Changed to $change";
                   2293:             } else {
                   2294:                 $chgfail ++;
                   2295:                 $nochg{$student} = "Still set to $oldtype";
                   2296:             } 
                   2297:         } else {
                   2298:             $othdom ++;
                   2299:             $otherdom{$student} = "Still set to $oldtype"; 
                   2300:         }
                   2301:     }
                   2302:     foreach my $student (@lockchglist) {
                   2303:         my ($uname,$udom) = split/:/,$student;
                   2304:         my $sdata    = $classlist->{$student};
                   2305:         my $section  = $sdata->[$secidx];
                   2306:         my $uid       = $sdata->[$ididx];
                   2307:         my $start    = $sdata->[$startidx];
                   2308:         my $end      = $sdata->[$endidx];
                   2309:         my $type     = $sdata->[$typeidx];
                   2310:         my $lock   = $sdata->[$lockedidx];
                   2311:         my $newlock = 1;
                   2312:         my $oldlockname = &mt('unlocked');
                   2313:         my $newlockname = &mt('locked');
                   2314:         $locktotal++;
                   2315:         unless ($type eq 'auto') {
                   2316:             if ($lock) {
                   2317:                 $newlock = '';
                   2318:                 $newlockname = &mt('unlocked');
                   2319:                 $oldlockname = &mt('locked'); 
                   2320:             }
                   2321:             my $lockreply = &Apache::lonnet::modify_student_enrollment($udom,$uname,$uid,'','','','',$section,$end,$start,$type,$newlock,$cid);
                   2322:             if ($lockreply eq 'ok') {
                   2323:                 $lockok ++;
                   2324:                 $lockchg{$student} = 'Changed to '.$newlockname;
1.14      raeburn  2325:             } else {
1.16      raeburn  2326:                 $lockfail ++;
                   2327:                 $nolockchg{$student} = 'Still set to '.$oldlockname;
1.14      raeburn  2328:             }
                   2329:         }
                   2330:     }
                   2331:     if ($chgtotal > 0) {
                   2332:         $response = "You requested a change in enrollment type for $chgtotal students.<br /><br />\n";
                   2333:         $classlist = &Apache::loncoursedata::get_classlist($cid,$dom,$crs);
                   2334:         if ($chgok > 0) {
                   2335:             $response .= "The following $chgok changes were successful:<br />";
                   2336:             $response .= &enrolltype_result(\%chg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2337:         }
                   2338:         if ($chgfail > 0) {
                   2339:             $response .= "The following $chgfail students were not modified successfully:&nbsp;<br />";
                   2340:             $response .= &enrolltype_result(\%nochg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2341:         }
                   2342:         if ($othdom > 0) {
                   2343:             $response .= "The following $othdom students were not modified because students must be in the same LON-CAPA domain as the course, in order to be set to an enrollment type of 'auto':<br />"; 
                   2344:             $response .= &enrolltype_result(\%otherdom,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
                   2345:         }
1.16      raeburn  2346:         $response .= "<br /><br />";
                   2347:     }
                   2348:     if ($locktotal > 0) {
                   2349:         $response .= "You requested locking/unlocking for $locktotal manually enrolled students.<br /><br />\n";
                   2350:         $classlist = &Apache::loncoursedata::get_classlist($cid,$dom,$crs);
                   2351:         if ($lockok > 0) {
                   2352:             $response .= "The following $lockok changes were successful:<br />";
                   2353:             $response .= &enrolltype_result(\%lockchg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx);
                   2354:         }
                   2355:         if ($lockfail > 0) {
                   2356:             $response .= "The following $lockfail students were not modified successfully:&nbsp;<br />";
                   2357:             $response .= &enrolltype_result(\%nolockchg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx);
                   2358:         }
1.14      raeburn  2359:     }
                   2360:     &print_reply($r,$response,$$tasktitleref{$action});
                   2361:     return;
                   2362: }
                   2363: 
                   2364: sub enrolltype_result {
1.16      raeburn  2365:     my ($changes,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx,$lockedidx) = @_;
1.14      raeburn  2366:     my $reply = "
                   2367:             <table border='2'>
                   2368:              <tr>
                   2369:               <th>username</th>
                   2370:               <th>domain</th>
                   2371:               <th>ID</th>
                   2372:               <th>student name</th>
                   2373:               <th>section</th>
                   2374:               <th>start date</th>
                   2375:               <th>end date</th>
                   2376:               <th>enrollment change</th>
                   2377:              </tr>";
                   2378:     foreach (sort keys %{$changes}) {
                   2379:         my $sdata  = $classlist->{$_};
                   2380:         my ($uname,$udom) = split/:/,$_;
                   2381:         my $section  = $sdata->[$secidx];
                   2382:         my $uid      = $sdata->[$ididx];
                   2383:         my $start    = $sdata->[$startidx];
                   2384:         my $end      = $sdata->[$endidx];
                   2385:         my $type     = $sdata->[$typeidx];
                   2386:         if (! defined($start) || $start == 0) {
                   2387:             $start = &mt('none');
                   2388:         } else {
                   2389:             $start = &Apache::lonlocal::locallocaltime($start);
                   2390:         }
                   2391:         if (! defined($end) || $end == 0) {
                   2392:             $end = &mt('none');
                   2393:         } else {
                   2394:             $end = &Apache::lonlocal::locallocaltime($end);
                   2395:         }
                   2396:         if (!defined($section) || ($section eq '')) {
                   2397:             $section eq '&nbsp;';
                   2398:         }
                   2399:         if (!defined($uid) || ($uid eq '')) {
                   2400:             $uid = '&nbsp';
                   2401:         }
                   2402:         $reply .= "
                   2403:              <tr>
                   2404:               <td>$uname</td>
                   2405:               <td>$udom</td>
                   2406:               <td>$uid</td>
                   2407:               <td>".&Apache::loncommon::plainname($uname,$udom)."</td>
                   2408:               <td>$section</td>
                   2409:               <td>$start</td>
                   2410:               <td>$end</td>
                   2411:               <td>$$changes{$_}</td>
                   2412:              </tr>";
                   2413:     }
                   2414:     $reply .= "</table>";
                   2415:     return $reply;
                   2416: }
                   2417: 
1.10      raeburn  2418: sub warning_message {
                   2419:     my ($dom,$crs,$caller) = @_;
                   2420:     my %settings = &Apache::lonnet::get('environment',['internal.autoadds','internal.autodrops','internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend'],$dom,$crs);
                   2421:     my $currend = '';
                   2422:     my $currstart = '';
                   2423:     my $currsecs = '';
                   2424:     my $currxlists = '';
                   2425:     my $warning = '';
                   2426:     my $curradds = '';
                   2427:     my $currdrops = '';
                   2428:     if ( defined($settings{'internal.autoadds'}) ) {
                   2429:         $curradds = $settings{'internal.autoadds'};
                   2430:     }
                   2431:     if (defined($settings{'internal.autodrops'}) ) {
                   2432:         $currdrops = $settings{'internal.autodrops'};
                   2433:     }
                   2434:     if ( defined($settings{'internal.autostart'}) ) {
                   2435:         $currstart = $settings{'internal.autostart'};
                   2436:     }
                   2437:     if ( defined($settings{'internal.autoend'}) ) {
                   2438:         $currend = $settings{'internal.autoend'};
                   2439:     }
                   2440:     if ( defined($settings{'internal.sectionnums'}) ) {
                   2441:         $currsecs = $settings{'internal.sectionnums'};
                   2442:     }
                   2443:     if ( defined($settings{'internal.crosslistings'}) ) {
                   2444:         $currxlists = $settings{'internal.crosslistings'}
                   2445:     }
                   2446:     unless ($caller eq 'setdates') {
                   2447:         if ( ($currstart eq '') && ($currend eq '') )  {
                   2448:             $warning = "You <b>must</b> now use <a href='/adm/populate?action=setdates'>Change enrollment dates</a> to set a start date <i>and</i> an end date for the enrollment (or check the 'No end date' checkbox) for the nightly adds process to actually occur.</br></br>";
                   2449:         }
                   2450:     }
                   2451:     unless ( ($caller eq 'sections') || ($caller eq 'crosslist') ) {
                   2452:         if ( ($currsecs eq '') && ($currxlists eq '') ) {
                   2453:             $warning .= "You <b>must</b> now use <a href='/adm/populate?action=sections'>Section settings</a> and/or <a href='/adm/populate?action=crosslist'>Change crosslistings</a> to choose at least one section of the course, or at least one crosslisted course which will contribute enrollment to this LON-CAPA course.  At present there are <b>NO</b> sections or crosslisted courses that are affiliated with this course that are set to contribute to the automated enrollment process.<br/><br/>";
                   2454:         }
                   2455:     }
                   2456:     unless ( $caller eq 'chgsettings') {
                   2457:         if ( (!$curradds) && (!$currdrops) ) {
                   2458:             $warning .= "You <b>must</b> now use <a href='/adm/populate?action=chgsettings'>Automated adds/drops</a> to enable automated adds and/or drops if you want automatic enrollment updates to occur in this course.<br/><br/>.";
                   2459:         }
                   2460:     }
                   2461:     return $warning;
1.1       raeburn  2462: }
                   2463: 
                   2464: sub print_reply () {
                   2465:   my ($r,$response,$caller) = @_;
                   2466:   $r->print("
                   2467:             <br/><table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   2468:              <tr>
1.14      raeburn  2469:               <td align=\"left\"><b>$caller</b> - result<br/><br/>$response</td>
1.1       raeburn  2470:              </tr>
                   2471:             </table>
                   2472:   ");
                   2473:   return;
                   2474: }
                   2475: 
                   2476: sub setup_date_selectors {
1.14      raeburn  2477:     my ($starttime,$endtime,$action) = @_;
1.1       raeburn  2478:     if (! defined($starttime)) {
                   2479:         $starttime = time;
1.14      raeburn  2480:         if ($action eq 'setdates') {
                   2481:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2482:                             '.default_enrollment_start_date'})) {
1.14      raeburn  2483:                 $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2484:                                   '.default_enrollment_start_date'};
1.14      raeburn  2485:             }
1.1       raeburn  2486:         }
                   2487:     }
                   2488:     if (! defined($endtime)) {
                   2489:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.14      raeburn  2490:         if ($action eq 'setdates') {
                   2491:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2492:                             '.default_enrollment_end_date'})) {
1.14      raeburn  2493:                 $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2494:                                 '.default_enrollment_end_date'};
1.14      raeburn  2495:             }
1.1       raeburn  2496:         }
                   2497:     }
                   2498:     my $startdateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2499:                                                             'startdate',
                   2500:                                                             $starttime);
                   2501:     my $enddateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2502:                                                           'enddate',
                   2503:                                                           $endtime);
                   2504:     return ($startdateform,$enddateform);
                   2505: }
                   2506: 
                   2507: sub get_dates_from_form {
1.14      raeburn  2508:     my $startdate;
                   2509:     my $enddate;
                   2510:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
                   2511:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1.1       raeburn  2512:     if ( exists ($ENV{'form.no_end_date'}) ) {
                   2513:         $enddate = 0;
                   2514:     }
                   2515:     return ($startdate,$enddate);
                   2516: }
                   2517: 
                   2518: sub date_setting_table {
1.14      raeburn  2519:     my ($starttime,$endtime,$action) = @_;
                   2520:     my ($startform,$endform) = &setup_date_selectors($starttime,$endtime,$action);
1.1       raeburn  2521:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
1.14      raeburn  2522:     if (($action eq 'setdates' && defined($endtime) && $endtime == 0) || (($action eq 'setaccess' || $action eq 'updatenow') && ($endtime eq '' || $endtime == 0)) ) {
1.1       raeburn  2523:         $perpetual .= ' checked';
                   2524:     }
                   2525:     $perpetual.= ' />'.' no ending date</nobr>';
                   2526:     my $start_table = '';
                   2527:     $start_table .= "<table>\n";
                   2528:     $start_table .= '<tr><td align="right">Starting Date</td>'.
                   2529:         '<td>'.$startform.'</td>'.
                   2530:         '<td>&nbsp;</td>'."</tr>\n";
                   2531:     $start_table .= "</table>";
                   2532:     my $end_table = '';
                   2533:     $end_table .= "<table>\n";
                   2534:     $end_table .= '<tr><td align="right">Ending Date</td>'.
                   2535:         '<td>'.$endform.'</td>'.
                   2536:         '<td>'.$perpetual.'</td>'."</tr>\n";
                   2537:     $end_table .= "</table>\n";
                   2538:     return ($start_table, $end_table);
                   2539: }
                   2540: 
                   2541: ###################################################################
                   2542: sub handler {
                   2543:     my $r = shift;
                   2544:     if ($r->header_only) {
                   2545:         $r->content_type('text/html');
                   2546:         $r->send_http_header;
                   2547:         return OK;
                   2548:     }
                   2549:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','state']);
                   2550:     #  Needs to be in a course
                   2551:     if (! (($ENV{'request.course.fn'}) &&  (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   2552:         # Not in a course, or not allowed to modify parms
                   2553:         $ENV{'user.error.msg'}="/adm/populate:cst:0:0:Cannot drop or add students";
                   2554:         return HTTP_NOT_ACCEPTABLE; 
                   2555:     }
                   2556:     # Start page
                   2557:     $r->content_type('text/html');
                   2558:     $r->send_http_header;
                   2559: 
1.14      raeburn  2560:     my @tasks = ("information","chgsettings","setdates","setaccess","notify","crosslist","sections","photos","updatenow","viewclass");
1.1       raeburn  2561:                                                                                  
                   2562:     my %tasklong = (
                   2563:                information => "Task information",
                   2564:                chgsettings => "Automated adds/drops",
                   2565:                setdates => "Change enrollment dates",
1.14      raeburn  2566:                setaccess => "Change access dates",
1.1       raeburn  2567:                notify => "Notification of changes",
                   2568:                crosslist => "Change crosslistings",
                   2569:                sections => "Section settings",
                   2570:                photos => "Student photos",
                   2571:                updatenow => "Update roster now",
                   2572:                newcross => "Add crosslistings",
1.14      raeburn  2573:                newsections => "Add sections",
1.16      raeburn  2574:                viewclass => "View students and change type",
1.1       raeburn  2575:     );
                   2576:                                                                                  
                   2577:     my %tasktitle = (
                   2578:                chgsettings => "Changes to nightly automated enrollments",
                   2579:                setdates => "Changes to first and/or last automated enrollment dates",
1.14      raeburn  2580:                setaccess => "Changes to default start and/or end dates for student access",
1.1       raeburn  2581:                notify => "Notification of enrollment changes",
                   2582:                crosslist => "Changes to crosslistings",
                   2583:                sections => "Changes to section settings",
                   2584:                photos => "Automatic import of student photos",
                   2585:                updatenow => "Immediate course roster update",
                   2586:                newcross => "Adding new crosslisted courses",
1.14      raeburn  2587:                newsections => "Adding new course sections",
                   2588:                viewclass => "Viewing class roster and enrollment type"
1.1       raeburn  2589:     );
                   2590: 
                   2591:     my $realm = '';
                   2592:     if ( exists($ENV{'request.course.id'}) ) {
                   2593:         $realm= $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                   2594:     }
                   2595:     unless ($realm) { $realm='&nbsp;'; }
                   2596:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   2597:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   2598:     
                   2599:     #
                   2600:     # Main switch on form.action and form.state, as appropriate
                   2601:     #
                   2602: 
                   2603:     my $action = "information";
                   2604:     if ( exists($ENV{'form.action'}) ) {
                   2605:         $action = $ENV{'form.action'};
                   2606:     }
                   2607:     my $state = "choose";
                   2608: 
                   2609:     if ( exists($ENV{'form.state'}) ) {
                   2610:         $state = $ENV{'form.state'};
                   2611:     }
                   2612: 
                   2613:     if ($action eq "information") {
                   2614:         $r->print(&header()); 
                   2615:     } else {
                   2616:         if ($state eq "choose") {
1.16      raeburn  2617:             $r->print(&choose_header($action));
1.1       raeburn  2618:         } else {
                   2619:             if ($action eq "crosslist") {
                   2620:                 if ( exists($ENV{'form.numcross'}) ) {
                   2621:                     if ( $ENV{'form.numcross'} > 0 ) {
1.16      raeburn  2622:                         $r->print(&choose_header($action));
1.1       raeburn  2623:                     } else {
                   2624:                         $r->print(&header());
                   2625:                     }
                   2626:                 } else {
                   2627:                     $r->print(&header());
                   2628:                 }
                   2629:             } elsif ($action eq "sections") {
                   2630:                 if ( exists($ENV{'form.numsec'}) ) {
                   2631:                     if ( $ENV{'form.numsec'} > 0 ) {
1.16      raeburn  2632:                         $r->print(&choose_header($action));
1.1       raeburn  2633:                     } else {
                   2634:                         $r->print(&header());
                   2635:                     }
                   2636:                 } else {
                   2637:                     $r->print(&header());
                   2638:                 }
                   2639:             } else {
                   2640:                 $r->print(&header());
                   2641:             }
                   2642:         }
                   2643:     }
1.12      raeburn  2644: 
1.1       raeburn  2645:     my $reply = 0;
                   2646:     unless ($state eq "choose") { $reply = 1; }
                   2647: 
                   2648:     &print_mainbox($r,\%tasklong,$realm,$reply);
                   2649:     &print_navmenu($r,\@tasks,\%tasklong);
                   2650:     
                   2651:     if (($state eq "choose") || ($action eq "information")) {
1.13      raeburn  2652:         &print_main_frame($r,$realm,$dom,$crs,\%tasktitle);
1.1       raeburn  2653:     } elsif ($action eq "chgsettings") {
                   2654:         &print_chgsettings_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2655:     } elsif ($action eq "setdates") {
                   2656:         &print_setdates_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14      raeburn  2657:     } elsif ($action eq "setaccess") {
                   2658:         &print_setaccess_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2659:     } elsif ($action eq "notify") {
                   2660:         &print_notify_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2661:     } elsif ($action eq "sections") {
1.13      raeburn  2662:         &print_sections_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2663:     } elsif ($action eq "crosslist") {
1.13      raeburn  2664:         &print_crosslistings_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2665:     } elsif ($action eq "updatenow") {
1.13      raeburn  2666:         &print_update_result($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2667:     } elsif ($action eq "photos") {
                   2668:         &print_photos_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2669:     } elsif ($action eq "newcross") {
1.13      raeburn  2670:         &print_crosslistings_response($r,$realm,$dom,$crs,$action,\%tasktitle);    
1.1       raeburn  2671:     } elsif ($action eq "newsections") {
1.13      raeburn  2672:         &print_sections_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14      raeburn  2673:     } elsif ($action eq "viewclass") {
                   2674:         &print_viewclass_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2675:     }
                   2676:     &print_doc_base($r);  
                   2677:     return OK;
                   2678: }
                   2679: ###################################################################
                   2680: 1;

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