Annotation of loncom/interface/lonpopulate.pm, revision 1.14

1.4       albertel    1: # automated enrollment configuration handler
1.14    ! raeburn     2: # $Id: lonpopulate.pm,v 1.13 2004/06/09 17:01:56 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: use localenroll;
                     39: 
                     40: ###############################################################
                     41: sub header {
                     42:     my $bodytag=&Apache::loncommon::bodytag('Classlist Manager');
                     43:     return(<<ENDHEAD);
                     44: <html>
                     45: <head>
                     46: <title>LON-CAPA Classlist Manager</title>
                     47: </head>
                     48: $bodytag
                     49: ENDHEAD
                     50: }
                     51: 
                     52: ###############################################################
                     53: 
                     54: sub choose_header {
                     55:     my $bodytag=&Apache::loncommon::bodytag('Classlist Manager');
                     56:     my $scripttag = qq|
                     57: <script language='javascript' type='text/javascript'>
                     58: <!--
                     59: function process(calling) {
                     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) {
                     80:        alert("You must check either 'Enable' or 'Disable' for nightly additions based on classlist changes")
                     81:        checker = 0
                     82:    }
                     83:    if (rad2 == 0) {
                     84:        alert("You must check either 'Enable' or 'Disable' for nightly removals based on classlist changes")
                     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) {
                    108:          alert("You must check either 'Enable' or 'Disable' for nightly additions based on classlist changes")
                    109:          checker = 0
                    110:      }
                    111:      if (rad2 == 0) {
                    112:          alert("You must check either 'Enable' or 'Disable' for nightly removals based on classlist changes")
                    113:          checker = 0
                    114:      }
                    115:      if (formName.updatedrops[unenrolldis].checked && formName.updateadds[enrolldis].checked ) {
                    116:          alert("You have checked 'Disable' 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")
                    117:          checker = 0
                    118:      }
                    119:  }
1.14    ! raeburn   120:  if (calling == "viewclass") {
        !           121:      document.forms.studentform.state.value = "process";
        !           122:      checker = 1;    
        !           123:  } 
1.1       raeburn   124:  if (checker == 1) {  
                    125:      formName.submit();
                    126:  }
                    127: }
                    128: // End hiding -->
                    129: </script>
                    130: |;
                    131:     return(<<ENDHEAD);
                    132: <html>
                    133: <head>
                    134: <title>LON-CAPA Classlist Manager</title>
                    135: $scripttag
                    136: $bodytag
                    137: ENDHEAD
                    138: }
                    139: 
                    140: sub print_mainbox {
                    141:     my ($r,$tasklongref,$realm,$reply) = @_;
                    142:     my $action = "information";
                    143:     if ( exists($ENV{'form.action'}) ) {
                    144:         $action = $ENV{'form.action'};
                    145:     }
                    146:     my $page = '';
                    147:     if ($action eq "information") {
                    148:         $page = "<b>Automated Enrollment</b>";
                    149:     } else {
                    150:         $page =  '<a href="/adm/populate">Automated Enrollment</a>';
                    151:         if ($reply) {
                    152:             if ($action eq "newcross") {
                    153:                 $action = "crosslist";
                    154:             } elsif ($action eq "newsections") {
                    155:                 $action = "sections"; 
                    156:             }
                    157:             $page .= "-&gt; <a href=\"/adm/populate?action=$action\">".$$tasklongref{$action}."</a> -&gt; <b>result</b>";
                    158:         } else {
                    159:             $page .=  " -&gt; <b>".$$tasklongref{$action}."</b>"; 
                    160:         }
                    161:     }
                    162:     $r->print(<<ENDTHIS);
                    163: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    164:  <tr>
                    165:   <td bgcolor="#CCCCFF"> 
                    166:    <font size="2"><a href="/adm/menu">$realm</a> -&gt; <a href="/adm/dropadd">Enrollment Manager</a> -&gt; $page</font><br/>
                    167:   </td>
                    168:   <td align="right" bgcolor="#CCCCFF" valign="top">
                    169:    <font size="+1">Automated Enrollment Manager&nbsp;</font>
                    170:   </td>
                    171:  </tr>
                    172: </table>
                    173: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    174:  <tr>
                    175: ENDTHIS
                    176: }
                    177: 
                    178: sub print_navmenu {
                    179:     my ($r,$tasksref,$tasklongref) = @_;
                    180:     my $action = "information";
                    181:     if (exists($ENV{'form.action'}) ) {
                    182:         $action = $ENV{'form.action'};
                    183:     }
                    184:     $r->print(<<ENDONE);
                    185:   <td width="10" valign="top" bgcolor="#DDFFFF">&nbsp;</td>
                    186:   <td width="20%" valign="top" bgcolor="#DDFFFF">
                    187:    <br/>
                    188: ENDONE
                    189:     foreach my $task (@{$tasksref}) {
                    190:         if ($task eq $action) {
                    191:             $r->print(" 
                    192:    <p>
                    193:    <font color=\"#999999\">
                    194:     <b>$$tasklongref{$task}</b><br/>
                    195:    </font>
                    196:    </p>"); 
                    197:         } else {
                    198:             $r->print("
                    199:    <p>
                    200:    <font color=\"#004263\">
                    201:     <b><a href=\"/adm/populate?action=$task\">$$tasklongref{$task}</a></b><br/>
                    202:    </font> 
                    203:    </p>");
                    204: 
                    205:         }
                    206:     }
                    207:     $r->print("
                    208:   <p>&nbsp;</p>
                    209:   </td>
                    210:   <td width=\"10\" valign=\"top\" bgcolor=\"#CCCCFF\">&nbsp;</td>
                    211:   <td width=\"10\" valign=\"top\" bgcolor=\"#FFFFFF\">&nbsp;</td>
                    212:   <td bgcolor=\"#ffffff\" valign=\"top\">");
                    213: }
                    214: 
                    215: ###############################################################
                    216: 
                    217: sub print_main_frame {
1.13      raeburn   218:   my ($r,$realm,$dom,$crs,$tasktitleref) = @_;
1.1       raeburn   219:   my $action = "information";
                    220:   if (exists($ENV{'form.action'}) ) {
                    221:       $action = $ENV{'form.action'};
                    222:   }
                    223: 
                    224: # Get course settings
                    225:   my %enrollvar;
                    226:   my @bgcolors=("#eeeeee","#cccccc");
                    227:   my %settings = &Apache::lonnet::dump('environment',$dom,$crs);
                    228:   foreach my $item (keys %settings) {
                    229:       if ($item =~ m/^internal\.(.+)$/) {
                    230:           $enrollvar{$1} = $settings{$item};
1.14    ! raeburn   231:       } elsif ($item =~ /^default_enrollment_(start|end)_date$/) {
        !           232:           $enrollvar{$item} = $settings{$item};
1.1       raeburn   233:       }
                    234:   }
                    235: 
                    236:   if ($action eq "information") {
                    237:       $r->print(<<ENDONE);
1.2       raeburn   238:           <br/><table border='0' width='100%'>
1.1       raeburn   239:             <tr>
                    240:               <td>&nbsp;</td>
                    241:               <td><b>Use the menu on the left to choose an enrollment management task.</b><br/><br/></td>
                    242:             <tr>
                    243:               <td>&nbsp;</td>
                    244:               <td>Use <i>"Automated adds/drops"</i> to enable or disable automatic nightly adds or drops in your LON-CAPA course based on instututional enrollment information.</td>
                    245:             </tr>
                    246:             <tr>
                    247:               <td>&nbsp;</td>
                    248:               <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>
                    249:             </tr>
                    250:             <tr>
                    251:               <td>&nbsp;</td>
1.14    ! raeburn   252:               <td>Use <i>"Change access dates"</i> to change the default start and/or end dates for student roles created by automated enrollment.</td>
        !           253:             </tr>
        !           254:             <tr>
        !           255:               <td>&nbsp;</td>
1.1       raeburn   256:               <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>
                    257:             </tr>
                    258:             <tr>
                    259:               <td>&nbsp;</td>
                    260:               <td>Use <i>"Change crosslisting"</i> to include or exclude enrollment from crosslisted classes.</td>
                    261:             </tr>
                    262:             <tr>
                    263:               <td>&nbsp;</td>
                    264:               <td>Use <i>"Section settings"</i> to make changes to the choice of sections included for enrollment in your LON-CAPA course.</td>
                    265:             </tr>
                    266:               <td>&nbsp;</td>
1.2       raeburn   267:               <td>Use <i>"Student photos"</i> to enable or disable automatic upload of student photos to your course.</td>
1.1       raeburn   268:             </tr>
                    269:             <tr>
                    270:               <td>&nbsp;</td>
                    271:               <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>
                    272:             </tr>
                    273:             <tr>
                    274:              <td colspan='2'>&nbsp;</td>
                    275:             </tr>
                    276:             <tr>
                    277:              <td>&nbsp;</td>
                    278:              <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>
                    279:             </tr>
                    280:           </table>
                    281: ENDONE
                    282:   } elsif ($action eq "chgsettings") {
                    283:       my @autosets = ("OFF","ON");
                    284:       $r->print(<<ENDTWO);
                    285:                   <form name="enter" method="post"><br/>
                    286: 		  <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    287: 		   <tr>
                    288: 		    <td align="left"><b>$$tasktitleref{$action}</b><br/>
                    289: 		       Currently: Nightly adds: <i>$autosets[$enrollvar{autoadds}]</i>, Nightly drops: <i>$autosets[$enrollvar{autodrops}]</i>
                    290: 		    </td>
                    291:                    </tr>
                    292: 		  </table>
                    293: 		  <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    294: 		    <tr>
                    295: 		     <td>
                    296: 		         Additions based on classlist changes:&nbsp;&nbsp;
                    297: ENDTWO
                    298:       if ($enrollvar{autoadds}) {
                    299:           $r->print("
                    300: 			    <input type=\"radio\" name=\"autoadds\" value=\"1\" checked=\"true\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    301: 			    <input type=\"radio\" name=\"autoadds\" value=\"0\" />&nbsp;Disable
                    302:          ");
                    303:       } else {
                    304:           $r->print("
                    305:                             <input type=\"radio\" name=\"autoadds\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    306:                             <input type=\"radio\" name=\"autoadds\" value=\"0\" checked=\"true\" />&nbsp;Disable
                    307:          ");
                    308:       }
                    309:       $r->print("
                    310:               </td>
                    311:              </tr>
                    312:              <tr>
                    313:               <td>
                    314:  	       Removals based on classlist changes:&nbsp;&nbsp;");
                    315:       if ($enrollvar{autodrops}) {
                    316:           $r->print("
                    317:                 <input type=\"radio\" name=\"autodrops\" value=\"1\" checked=\"true\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    318:                 <input type=\"radio\" name=\"autodrops\" value=\"0\" />&nbsp;Disable");
                    319:       } else {
                    320:           $r->print("
                    321:                 <input type=\"radio\" name=\"autodrops\" value=\"1\" />&nbsp;Enable&nbsp;&nbsp;&nbsp;
                    322:                 <input type=\"radio\" name=\"autodrops\" value=\"0\" checked=\"true\" />&nbsp;Disable");
                    323:       }
                    324:       $r->print("
                    325:               </td>
                    326:              </tr>
                    327:              <tr>
                    328:               <td>
                    329:                <font color=\"#888888\">
                    330: 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.
                    331:                </font>
                    332:               </td>
                    333:              </tr>
                    334:              <tr>
                    335:               <td align=\"right\">
                    336:                <input type=\"button\" name=\"chgsettings\" value=\"Go\" onClick=\"process('chgsettings')\" />
                    337: 	      </td>
                    338:              </tr>
                    339: 	    </table>
                    340:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    341:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    342:             </form>
                    343:       ");
                    344:   } elsif ($action eq "setdates") {
1.14    ! raeburn   345:       my ($start_table,$end_table) = &date_setting_table($enrollvar{autostart},$enrollvar{autoend},$action);
1.10      raeburn   346:       my $oldstartshow = '';
                    347:       my $oldendshow = '';
                    348:       if ( defined($enrollvar{autostart}) ) {
1.14    ! raeburn   349:           $oldstartshow = &Apache::lonlocal::locallocaltime($enrollvar{autostart});
1.10      raeburn   350:       }
                    351:       if ( defined($enrollvar{autoend}) ) {
1.14    ! raeburn   352:           $oldendshow = &Apache::lonlocal::locallocaltime($enrollvar{autoend});
1.10      raeburn   353:           if ($enrollvar{autoend} == 0) {
                    354:               $oldendshow = "No ending date";
                    355:           }
                    356:       }
                    357:       my $dateshow;
                    358:       if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
1.14    ! raeburn   359:          $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   360:       } else {
                    361:          $dateshow = "Currently: First enrollment: <b><i>$oldstartshow</i></b>, Last enrollment: <b><i>$oldendshow</i></b>\n";
1.1       raeburn   362:       }
                    363:       $r->print(<<ENDTWO);
                    364:                   <form name="enter" method="post"><br/>              
                    365:                   <table width="100%" border="0" cellpadding="2" cellspacing="2">
                    366: 	           <tr>
1.10      raeburn   367: 	            <td align="left"><b>$$tasktitleref{$action}</b><br/><br/>
                    368:                      $dateshow
1.1       raeburn   369: 	            </td>
                    370:                    </tr>
                    371: 	          </table>
                    372:                   <table width="100%" border="0" cellpadding="3" cellspacing="3">
                    373:                    <tr>
                    374:                     <td align="left" colspan="2">
                    375:                      <table border="0" cellspacing="0" cellpadding="2">
                    376:                       <tr>
                    377:                        <td colspan="3">
                    378:                         <i>Set date of first automated enrollment for registered students</i>
                    379:                        </td>
                    380:                       </tr>
                    381:                       <tr>
                    382:                        <td>$start_table
                    383:                        </td>
                    384:                       </tr>
                    385:                      </table>
                    386:                     </td>
                    387:                    </tr>
                    388:                    <tr>
                    389:                     <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>
                    390:                    </tr>
                    391:                    <tr>
                    392:                     <td align="left" colspan="2">
                    393:                      <table border="0' cellspacing="0" cellpadding="2">
                    394:                       <tr>
                    395:                        <td colspan="3">
                    396:                         <i>Set date of last automated enrollment for registered students</i>
                    397:                        </td>
                    398:                       </tr>
                    399:                       <tr>
                    400:                        <td>$end_table
                    401:                        </td>
                    402:                       </tr>
                    403:                      </table>
                    404:                     </td>
                    405:                    </tr>
                    406:                    <tr>
                    407:                     <td colspan="2"><font color="#888888">If automated adds and/or drops are enabled, then your class roster will be automatically updated nightly, until the last enrollment date has been reached.</font></td>
                    408:                    </tr>
                    409:                   </table>
                    410:                   <table width="100%">
                    411:                    <tr>
                    412:                     <td align="right">
                    413:                       <input type="button" name="setdates" value="Go" onClick="process('setdates')" />
                    414:                     </td>
                    415: 	           </tr>
                    416:                   </table>
1.14    ! raeburn   417:                   <input type="hidden" name="action" value="$action">
        !           418:                   <input type="hidden" name="state" value="process">
        !           419:                   </form>
        !           420: ENDTWO
        !           421:   } elsif ($action eq "setaccess") {
        !           422:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
        !           423:       $r->print(<<ENDTWO);
        !           424:                   <table width="100%">
        !           425:                    <tr>
        !           426:                     <td align="right">
        !           427:                       <input type="button" name="$action" value="Go" onClick="process('$action')" />
        !           428:                     </td>
        !           429:                    </tr>
        !           430:                   </table>
        !           431:                   <input type="hidden" name="action" value="$action">
        !           432:                   <input type="hidden" name="state" value="process">
1.1       raeburn   433:                   </form>
                    434: ENDTWO
                    435:   } elsif ($action eq "notify") {
                    436:       my @notified = ();
                    437:       if ($enrollvar{notifylist} =~ m/,/) {
                    438:           @notified = split/,/,$enrollvar{notifylist};
                    439:       } else {
                    440:           @notified = $enrollvar{notifylist};
                    441:       }
                    442:       my $notifycount = 0;
                    443:       foreach  (@notified) {
                    444:         unless ($_ eq '') { $notifycount ++; } 
                    445:       }
                    446:       my $noteset = '';
                    447:       if ($notifycount) {
                    448:           $noteset = "ON";
                    449:       } else {
                    450:           $noteset = "OFF";
                    451:       }
                    452:     
                    453:       $r->print("
                    454:                   <form name=\"enter\" method=\"post\"><br/>
                    455:                    <table width=\"100%\" border=\"0\" cellpadding=\"6\" cellspacing=\"0\">
                    456:                     <tr>
                    457:                      <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    458:                       Currently: Notification: $noteset
                    459:                      </td>
                    460:                     </tr>
                    461:                    </table>
                    462:                    <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    463:                     <tr>
                    464:                      <td>
                    465:                       Notification of LON-CAPA course roster changes resulting from nightly automated enrollment process?
                    466:       ");
                    467:       if ($notifycount) {
                    468:           $r->print("
                    469:                         <input type=\"radio\" name=\"notify\" value=\"1\" checked=\"true\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    470:                         <input type=\"radio\" name=\"notify\" value=\"0\" />&nbsp;No
                    471:           ");
                    472:       } else {
                    473:           $r->print("
                    474:                         <input type=\"radio\" name=\"notify\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    475:                         <input type=\"radio\" name=\"notify\" value=\"0\" checked=\"true\" />&nbsp;No
                    476:           ");
                    477:       }
                    478:       $r->print("
                    479:               </td>
                    480:              </tr>
                    481:       ");
1.7       raeburn   482:       my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$dom,$crs);
                    483:       my @ccs = ();
                    484:       my @oldccs = ();
                    485:       my %pname = ();
                    486:       my %notifystate = ();
                    487:       foreach (@coursepersonnel) {
                    488:           my @roleinfo = split/:/,$_;
                    489:           if ($roleinfo[0] eq 'cc')  {
                    490:               unless (grep/^$roleinfo[1]\@$roleinfo[2]/,@ccs) {
                    491:                   my $active_cc = &LONCAPA::Enrollment::check_user_status($roleinfo[2],$roleinfo[1],$dom,$crs,'cc');
                    492:                   if ($active_cc eq 'ok') {
                    493:                       push @ccs, "$roleinfo[1]\@$roleinfo[2]";
                    494:                       $pname{"$roleinfo[1]\@$roleinfo[2]"} = &Apache::loncommon::plainname($roleinfo[1],$roleinfo[2]);
                    495:                       if (grep/^$roleinfo[1]\@$roleinfo[2]$/,@notified) {
                    496:                           $notifystate{"$roleinfo[1]\@$roleinfo[2]"} = 1;
                    497:                       } else {
                    498:                           $notifystate{"$roleinfo[1]\@$roleinfo[2]"} = 0;
                    499:                       }
1.1       raeburn   500:                   } else {
1.7       raeburn   501:                       push @oldccs, "$roleinfo[1]\@$roleinfo[2]";
1.1       raeburn   502:                   }
                    503:               }
                    504:           }
                    505:       }
1.7       raeburn   506:       if ($notifycount > 0) {
                    507:           foreach my $person (@notified) {
                    508:               unless ( (grep/^$person$/,@ccs) || ($person eq '') || (grep/^$person$/,@oldccs) ) {
                    509:                   push @ccs, $person;
                    510:                   my ($puname,$pdom) = split/\@/,$person;
                    511:                   $pname{$person} =  &Apache::loncommon::plainname($puname,$pdom);
                    512:                   $notifystate{$person} = 1;
                    513:               }
                    514:           }
                    515:       }
                    516:       my $viewer = $ENV{'user.name'}.'@'.$ENV{'user.domain'};
                    517:       unless ( (grep/^$viewer$/,@ccs) || ($viewer eq '') )  {
                    518:           push @ccs,$viewer;
                    519:           $pname{$viewer} =  &Apache::loncommon::plainname($ENV{'user.name'},$ENV{'user.domain'});
                    520:           $notifystate{$viewer} = 0;
                    521:       }
                    522: 
                    523:       my $notifyshow = @ccs;
                    524: 
                    525:       if (@ccs > 0) {
                    526:           @ccs = sort @ccs;
1.1       raeburn   527:           $r->print("
                    528:              <tr>
1.7       raeburn   529:                <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   530:               </td>
                    531:              </tr>
                    532:              <tr>
                    533:               <td>
1.7       raeburn   534:                <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    535:                 <tr bgcolor=\"#CCCCFF\">
                    536:                  <td><b>Name</b></td>
                    537:                  <td><b>username</b></td>
                    538:                  <td><b>Current status</b></td>
                    539:                  <td><b>Notification?</b></td>
                    540:                 </tr>
                    541:           ");
                    542:           for (my $i=0; $i<@ccs; $i++) {
                    543:               my $colflag = $i%2;
                    544:               $r->print("<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    545:                  <td>$pname{$ccs[$i]}</td>
                    546:                  <td><input type=\"hidden\" name=\"notifyname_$i\" value=\"$ccs[$i]\" />$ccs[$i]</td>
                    547:                  <td>
                    548:               ");
                    549:               if ($notifystate{$ccs[$i]} == 1) {
                    550:                   $r->print("Notification active");
                    551:               } else {
                    552:                   $r->print("Notification inactive");
                    553:               }
                    554:               if ($notifystate{$ccs[$i]} == 1) {
                    555:                   $r->print("</td><td><input type=\"checkbox\" name=\"note_$i\" checked=\"true\" /></td></tr>");
                    556:               } else {
                    557:                   $r->print("</td><td><input type=\"checkbox\" name=\"note_$i\" /></td></tr>");
                    558:               }
                    559:           }
                    560:           $r->print("
                    561:                </table>
                    562:                <br/>
                    563:                <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    564:                 <tr>
                    565:                  <td align=\"right\">
                    566:                   <input type=\"button\" name=\"notifyset\" value=\"Go\" onClick=\"process('notify')\" />
                    567:                  </td>
                    568:                 </tr>
                    569:                </table>
                    570:               </td>
                    571:              </tr>
1.1       raeburn   572:           ");
1.7       raeburn   573:       } else {
1.1       raeburn   574:           $r->print("
1.7       raeburn   575:              <tr>
                    576:               <td>
                    577:              No course coordinators found.
1.1       raeburn   578:             </td>
1.7       raeburn   579:            </tr>");
1.1       raeburn   580:       }
                    581:       $r->print("
1.7       raeburn   582:           </table>
                    583:           <input type=\"hidden\" name=\"notifyshow\" value=\"$notifyshow\">
                    584:           <input type=\"hidden\" name=\"action\" value=\"$action\">
                    585:           <input type=\"hidden\" name=\"state\" value=\"process\">
                    586:           </form>
1.1       raeburn   587:       ");
                    588:   } elsif ($action eq "crosslist") {
                    589:       my @xlists = ();
                    590:       if ($enrollvar{crosslistings} =~ m/,/) {
                    591:           @xlists = split/,/,$enrollvar{crosslistings};
                    592:       } elsif ($enrollvar{crosslistings} ne '') {
                    593:           $xlists[0] = $enrollvar{crosslistings};
                    594:       }
                    595:       my $cross_str = @xlists;
                    596:       $r->print("
                    597:             <form name=\"enter\" method=\"post\"><br/>
                    598:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    599:              <tr>
                    600:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    601:       ");
                    602:       if ($cross_str > 0) {
                    603:           $r->print("
1.7       raeburn   604:                 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   605:               </td>
                    606:              </tr>
                    607:             </table>
                    608:             <br/>
                    609:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    610:              <tr>
                    611:               <td>
                    612:                <table border=\"0\" width=\"100%\" cellspacing=\"3\" cellpadding=\"3\">
                    613:                 <tr bgcolor=\"#CCCCFF\" align=\"left\">
                    614:                  <td><b>Enrollment?</b></td>
                    615:                  <td><b>Crosslisted course</b></td>
                    616:                  <td><b>LON-CAPA section/groupID</b></td>
                    617:                 </tr>
                    618:           ");
                    619:           for (my $i=0; $i<@xlists; $i++) {
                    620:               my $xl = '&nbsp;';
                    621:               my $gp = '&nbsp;';
1.14    ! raeburn   622:               if ($xlists[$i] =~ /(\w+):?(.*)$/) {
1.1       raeburn   623:                   $xl = $1;
                    624:                   $gp = $2;
                    625:               }               
                    626:               my $colflag = $i%2;
                    627:               $r->print("
                    628:                 <tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    629:                  <td><input type=\"checkbox\" name=\"cross_$i\" checked=\"true\"/></td>
                    630:                  <td>$xl</td>
                    631:                  <td><input type =\"text\" size=\"10\" name=\"gp_$i\" value=\"$gp\"></td>
                    632:                 </tr> 
                    633:               ");
                    634:           }
                    635:           $r->print("  </table>
                    636:               </td>
                    637:              </tr>
                    638:             </table>
                    639:           ");
                    640:       }
                    641:       else {
                    642:           $r->print("
                    643:                 Currently no crosslisted courses are recorded for $enrollvar{coursecode}.
                    644:               </td>
                    645:              </tr>
                    646:             </table>
                    647:           ");
                    648:       }
                    649:       $r->print("   
                    650:             <br/>
                    651:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    652:              <tr>
                    653:               <td align=\"left\">
                    654:                <b>Add new crosslistings.</b><br/>
                    655:                Number of new crosslistings to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numcross\" value=\"0\" />
                    656:               </td>
                    657:              </tr>
                    658:             </table>
                    659:             <br/>
                    660:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    661:              <tr>
                    662:               <td align=\"right\">
                    663:                <input type=\"button\" name=\"crosslist\" value=\"Go\" onClick=\"process('crosslist')\" />
                    664:               </td>
                    665:              </tr>
                    666:             </table>
                    667:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    668:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    669:             </form> 
                    670:       ");
                    671:   } elsif ($action eq "sections") {
1.12      raeburn   672:       my @sections = ();
1.13      raeburn   673:       @sections = &Apache::lonnet::auto_get_sections($crs,$dom,$enrollvar{coursecode});
1.1       raeburn   674:       my @storedsections = ();
                    675:       my @currsections = ();
                    676:       my %sec_id = ();
                    677:       if ($enrollvar{sectionnums} =~ m/,/) {
                    678:           @storedsections = split/,/,$enrollvar{sectionnums};
                    679:       } else {
                    680:           $storedsections[0] = $enrollvar{sectionnums};
                    681:       }
                    682:       foreach (@storedsections) {
                    683:           if ($_ =~ m/^(\w+):(\w*)$/) {
                    684:               push @currsections, $1;
                    685:               $sec_id{$1} = $2;
                    686:           }
                    687:       }
                    688:       if (@sections > 0) {
1.8       raeburn   689:           my $secshow = @sections;
                    690:           $r->print("
1.1       raeburn   691:             <form name=\"enter\" method=\"post\"><br/>
                    692:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    693:              <tr>
                    694:               <td align=\"left\">
                    695:                <b>$$tasktitleref{$action}</b><br/>
                    696:                Your institution's course catalog includes $secshow sections for course code: $enrollvar{coursecode}.
                    697:               </td>
                    698:              </tr>
                    699:              <tr>
1.5       raeburn   700:               <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
                    701: your changes.</td>
1.1       raeburn   702:              </tr>
                    703:             </table>
                    704:             <br/>
1.7       raeburn   705:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    706:              <tr bgcolor=\"#CCCCFF\">
                    707:               <td><b>Section</b></td>
                    708:               <td><b>Current status</b></td>              
                    709:               <td><b>LON-CAPA section/group ID</b></td>
                    710:               <td><b>Enrollment in this course?</b></td>
                    711:              </tr>
1.8       raeburn   712:           ");
                    713:           for (my $i=0; $i<@sections; $i++) {
                    714:               my $colflag = $i%2;
                    715:               my $shrflag = 0;
                    716:               $r->print("<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
1.5       raeburn   717:                    <td>$sections[$i]<input type=\"hidden\" name=\"secnum_$i\" value=\"$sections[$i]\" /></td>
1.1       raeburn   718:                    <td>
1.8       raeburn   719:               ");
                    720:               if (grep/^$sections[$i]$/,@currsections) {
                    721:                   $r->print("Enrollment active");
                    722:                   $shrflag = 1;
                    723:               } else {
                    724:                   $r->print("Enrollment inactive");
                    725:               }
                    726:               if ($shrflag) {
                    727:                   $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>"); 
                    728:               } else {
                    729:                   $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   730:               }
1.8       raeburn   731:           }
                    732:           $r->print("
1.7       raeburn   733:             </table>
                    734:             <br/>
                    735:             <table width=\"100%\" border=\"0\" cellspacing=\"3\" cellpadding=\"3\">
                    736:              <tr> 
                    737:               <td align=\"right\">
                    738:                <input type=\"hidden\" name=\"secshow\" value=\"$secshow\" />
                    739:                <input type=\"button\" name=\"sections\" value=\"Go\" onClick=\"process('sections')\" />
                    740:               </td>
                    741:              </tr>
                    742:             </table>
                    743:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    744:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    745:             </form>
1.8       raeburn   746:           ");
1.1       raeburn   747:       } else {
                    748:           $r->print("
                    749:             <form name=\"enter\" method=\"post\"><br/>
                    750:             <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    751:              <tr>
                    752:               <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    753:           ");
                    754:           if (@currsections) {
                    755:               my $secshow = @currsections;
                    756:               $r->print("
1.7       raeburn   757:                 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   758:               </td>
                    759:              </tr>
                    760:             </table>
                    761:             <br/>
                    762:             <table border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    763:              <tr>
                    764:               <td>
                    765:                <table border=\"0\" width=\"100%\" cellspacing=\"3\" cellpadding=\"3\">
                    766:                 <tr bgcolor=\"#CCCCFF\">
                    767:                  <td><b>Enrollment?</b></td>
                    768:                  <td><b>Section</b></td>
                    769:                  <td><b>LON-CAPA section/groupID</b></td>
                    770:                 </tr>
                    771:               ");
                    772:               for (my $j=0; $j<@currsections; $j++) {
                    773:                   my $colflag = $j%2;
                    774:                   $r->print("
                    775:                 <tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    776:                  <td><input type=\"checkbox\" name=\"sec_$j\" checked=\"true\"/></td>
                    777:                  <td>$currsections[$j]</td>
                    778:                  <td><input type=\"text\" name=\"secgp_$j\" size=\"10\" value=\"$sec_id{$currsections[$j]}\"></td>
                    779:                 </tr> 
                    780:                   ");
                    781:               }
                    782:               $r->print("  </table>
                    783:               </td>
                    784:              </tr>
                    785:             </table>
                    786:               ");
                    787:           } else {
                    788:               $r->print("
                    789:                 Currently no sections of $realm ($enrollvar{coursecode}) are contributing enrollment to the LON-CAPA class roster.
                    790:               </td>
                    791:              </tr>
                    792:             </table>
                    793:               ");
                    794:           }
                    795:           $r->print("   
                    796:             <br/>
                    797:             <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    798:              <tr>
                    799:               <td align=\"left\">
                    800:                <b>Add enrollment from additional sections.</b><br/>
                    801:                Number of new sections to add:&nbsp;&nbsp;<input type=\"text\" size=\"2\" name=\"numsec\" value=\"0\" />
                    802:               </td>
                    803:              </tr>
                    804:             </table>
                    805:             <br/>
                    806:             <table width=\"100%\" border=\"0\" cellspadding=\"2\" cellspacing=\"2\">
                    807:              <tr>
                    808:               <td align=\"right\">
                    809:                <input type=\"button\" name=\"sections\" value=\"Go\" onClick=\"process('sections')\" />
                    810:               </td>
                    811:              </tr>
                    812:             </table>
                    813:             <input type=\"hidden\" name=\"action\" value=\"$action\">
                    814:             <input type=\"hidden\" name=\"state\" value=\"process\">
                    815:             </form> 
                    816:           ");
                    817:       }
                    818:   } elsif ($action eq "photos") {
                    819:       my @photosets = ("OFF","ON");
                    820:       $r->print("
                    821:                   <form name=\"enter\" method=\"post\"><br/>
                    822:                   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    823:                    <tr>
                    824:                     <td align=\"left\"><b>$$tasktitleref{$action}</b><br/>
                    825:                        Currently: Student photo import:  <i>$photosets[$enrollvar{showphotos}]</i>
                    826:                     </td>
                    827:                    </tr>
                    828:                   </table>
                    829:                   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    830:                     <tr>
                    831:                      <td>
                    832:                          Automatic import of student photos from institutional data repository:&nbsp;&nbsp;
                    833: 
                    834:       ");
                    835:       if ($enrollvar{showphotos}) {
                    836:           $r->print("
                    837:                         <input type=\"radio\" name=\"showphotos\" value=\"1\" checked=\"true\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    838:                         <input type=\"radio\" name=\"showphotos\" value=\"0\" />&nbsp;No
                    839:           ");
                    840:       } else {
                    841:           $r->print("
                    842:                         <input type=\"radio\" name=\"showphotos\" value=\"1\" />&nbsp;Yes&nbsp;&nbsp;&nbsp;
                    843:                         <input type=\"radio\" name=\"showphotos\" value=\"0\" checked=\"true\" />&nbsp;No
                    844:           ");
                    845:       }
                    846:       $r->print("
                    847:                      </td>
                    848:                     </tr>
                    849:                     <tr>
                    850:                      <td>
                    851:                       <font color=\"#888888\">
                    852: 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.  
                    853:                       </font>
                    854:                      </td>
                    855:                     </tr>
                    856:                     <tr>
                    857:                      </td>&nbsp;</td>
                    858:                     </tr>
                    859:                     <tr>
                    860:                      <td align=\"right\">
                    861:                       <input type=\"button\" name=\"showphotos\" value=\"Go\" onClick=\"process('photos')\">
                    862:                      </td>
                    863:                     </tr>
                    864:                    </table>
                    865:                    <input type=\"hidden\" name=\"action\" value=\"$action\">
                    866:                    <input type=\"hidden\" name=\"state\" value=\"process\">
                    867:                    </form>
                    868:       ");
                    869:   } elsif ($action eq "updatenow") {
                    870:       $r->print("
                    871:                    <form name=\"enter\" method=\"post\"><br/>
                    872: 		   <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                    873: 		    <tr>
                    874: 		     <td align=\"left\"><b>$$tasktitleref{$action}</b>
                    875: 		     </td>
                    876:                     </tr>
                    877: 		   </table>
                    878: 		   <table width=\"100%\" border=\"0\" cellpadding=\"3\" cellspacing=\"3\">
                    879: 		    <tr>
                    880: 		     <td>
                    881: 	              Add any students currently included in institutional classlist(s) but not enrolled in your LON-CAPA course. 
                    882: 		      <input type=\"radio\" name=\"updateadds\" value=\"1\">&nbsp;Yes&nbsp;
                    883: 		      <input type=\"radio\" name=\"updateadds\" value=\"0\">&nbsp;No&nbsp;
                    884:                      </td>
                    885:                     </tr>
                    886:                     <tr>
                    887:                      <td>
                    888:  	              Expire students previously added by nightly enrollment process, but no longer listed in institutional  classlist(s).                  
1.14    ! raeburn   889:                       <input type=\"radio\" name=\"updatedrops\" value=\"1\">&nbsp;Yes&nbsp;
        !           890:                       <input type=\"radio\" name=\"updatedrops\" value=\"0\">&nbsp;No&nbsp;<br/>
        !           891:                      </td>
        !           892:                     </tr>
        !           893:                     <tr>
        !           894:                      <td><font color=\"#888888\">
1.1       raeburn   895: 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   896:                       </font>
        !           897:                      </td>
        !           898:                     </tr>
        !           899:                     <tr>
        !           900:                      <td>
        !           901:       ");
        !           902:       &print_accessdate_table($r,\%enrollvar,$tasktitleref,$action);
        !           903:       $r->print("
        !           904:                      </td>
        !           905:                     </tr>
        !           906:                     <tr>
        !           907:                      <td align=\"right\">
        !           908:                       <input type=\"button\" name=\"updatenow\" value=\"Go\" onClick=\"process('updatenow')\" />
        !           909:                      </td>
        !           910:                     </tr>
        !           911: 	           </table>
        !           912:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
        !           913:                    <input type=\"hidden\" name=\"state\" value=\"process\" />
        !           914:                   </form>
        !           915:       ");
        !           916:   } elsif ($action eq 'viewclass') {
        !           917:       $r->print("
        !           918:                    <form name=\"studentform\" method=\"post\"><br/>
        !           919:                    <table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
        !           920:                     <tr>
        !           921:                      <td align=\"left\"><b>$$tasktitleref{$action}</b>
        !           922:                      </td>
        !           923:                     </tr>
        !           924:                    </table>
        !           925:                    <table>
        !           926:                     <tr>
        !           927:                      <td>
1.1       raeburn   928:       ");
1.14    ! raeburn   929:       if (! exists($ENV{'form.sortby'})) {
        !           930:           $ENV{'form.sortby'} = 'username';
        !           931:       }
        !           932:       if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
        !           933:           $ENV{'form.Status'} = 'Active';
        !           934:       }
        !           935:       my $status_select = &Apache::lonhtmlcommon::StatusOptions($ENV{'form.Status'});
        !           936: #  Get current classlist
        !           937:       my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
        !           938:       if (! defined($classlist)) {
        !           939:           $r->print(&mt('There are no students either currently or previously enrolled.').
        !           940:                       "\n");
        !           941:       } else {
        !           942:           $r->print(&mt('Student Status: [_1]',$status_select)."\n");
        !           943:           $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
        !           944:               "\n</p>\n");
        !           945: 
        !           946:           my $studentcount = &Apache::londropadd::show_class_list($r,'autoenroll','nothing',$ENV{'form.Status'},$classlist,$keylist);
        !           947:           $r->print("
        !           948:                      </td>
        !           949:                     </tr>
        !           950:           ");
        !           951:           if ($studentcount > 0) {
        !           952:               $r->print("
        !           953:                     <tr>
        !           954:                      <td>&nbsp;</td>
        !           955:                     </tr>
        !           956:                     <tr>
        !           957:                      <td align=\"right\">
        !           958:                       <input type=\"button\" name=\"viewclass\" value=\"Go\" onClick=\"process('viewclass')\" />
        !           959:                      </td>
        !           960:                     </tr>
        !           961:               ");
        !           962:           }
        !           963:           $r->print("
        !           964:                    </table>
        !           965:                    <input type=\"hidden\" name=\"action\" value=\"$action\" />
        !           966:                    <input type=\"hidden\" name=\"state\" value=\"choose\" />
        !           967:                   </form>
        !           968:           ");
        !           969:       }
1.1       raeburn   970:   }
                    971: }
                    972: 
1.14    ! raeburn   973: sub print_accessdate_table {
        !           974:     my ($r,$enrollvar,$tasktitleref,$action) = @_;
        !           975:     my ($start_table,$end_table) = &date_setting_table($$enrollvar{'default_enrollment_start_date'},$$enrollvar{'default_enrollment_end_date'},$action);
        !           976:     my $oldstartshow = '';
        !           977:     my $oldendshow = '';
        !           978:     if ( defined($$enrollvar{'default_enrollment_start_date'}) ) {
        !           979:         $oldstartshow = &Apache::lonlocal::locallocaltime($$enrollvar{'default_enrollment_start_date'});
        !           980:     }
        !           981:     if ( defined($$enrollvar{'default_enrollment_end_date'}) ) {
        !           982:         $oldendshow = &Apache::lonlocal::locallocaltime($$enrollvar{default_enrollment_end_date});
        !           983:         if ($$enrollvar{'default_enrollment_end_date'} eq '0') {
        !           984:             $oldendshow = "No ending date";
        !           985:         }
        !           986:     }
        !           987:     my %lt =&Apache::lonlocal::texthash(
        !           988:          'cuno' => 'Currently NO default first access or last access dates are set.',
        !           989:          '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.',
        !           990:          '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.',
        !           991:          'setf' => 'Set date of first access',
        !           992:          'setl' => 'Set date of last access',
        !           993:          'freg' => 'for registered students added via automated enrollment',
        !           994:          'fnew' => 'for new students added when you update the class roster',
        !           995:          '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.'
        !           996:     );
        !           997:     my $dateshow;
        !           998:     if ( ($oldendshow eq '') && ($oldstartshow eq '') ) {
        !           999:        $dateshow = "<br/><font size='+1'>".&mt('Warning')."</font>.&nbsp;".$lt{'cuno'}." ";
        !          1000:        if ($action eq 'setaccess') {
        !          1001:            $dateshow .= $lt{'ifyo'}."\n";
        !          1002:        } elsif ($action eq 'updatenow') {
        !          1003:            $dateshow .= $lt{'ifyd'}."\n";
        !          1004:        }
        !          1005:     } else {
        !          1006:         $dateshow = &mt('Currently: default first access').": <b><i>$oldstartshow</i></b>, ".&mt('default last access').": <b><i>$oldendshow</i></b>\n";
        !          1007:     }
        !          1008:     if ($action eq 'setaccess') {
        !          1009:         $r->print(<<ENDONE);
        !          1010:                 <form name="enter" method="post"><br/>
        !          1011:                 <table width="100%" border="0" cellpadding="2" cellspacing="2">
        !          1012:                  <tr>
        !          1013:                   <td align="left"><b>$$tasktitleref{$action}</b>
        !          1014:                   <br /><br />
        !          1015:                    $dateshow
        !          1016:                   </td>
        !          1017:                  </tr>
        !          1018:                 </table>
        !          1019: ENDONE
        !          1020:     } elsif ($action eq 'updatenow') {
        !          1021:         $r->print("
        !          1022:                 <br /><br />$dateshow\n");
        !          1023:     }
        !          1024:     $r->print(<<ENDTWO);
        !          1025:                 <table width="100%" border="0" cellpadding="3" cellspacing="3">
        !          1026:                  <tr>
        !          1027:                   <td align="left" colspan="2">
        !          1028:                    <table border="0" cellspacing="0" cellpadding="2">
        !          1029:                     <tr>
        !          1030:                      <td colspan="3">
        !          1031: ENDTWO
        !          1032:       if ($action eq 'setaccess') {
        !          1033:           $r->print("<i>$lt{'setf'} $lt{'freg'}</i>");
        !          1034:       } elsif ($action eq 'updatenow') {
        !          1035:           $r->print("<i>$lt{'setf'} $lt{'fnew'}</i>");
        !          1036:       }
        !          1037:       $r->print(<<ENDTHREE); 
        !          1038:                        </td>
        !          1039:                       </tr>
        !          1040:                       <tr>
        !          1041:                        <td>$start_table
        !          1042:                        </td>
        !          1043:                       </tr>
        !          1044:                      </table>
        !          1045:                     </td>
        !          1046:                    </tr>
        !          1047:                    <tr>
        !          1048:                     <td align="left" colspan="2">
        !          1049:                      <table border="0' cellspacing="0" cellpadding="2">
        !          1050:                       <tr>
        !          1051:                        <td colspan="3">
        !          1052: ENDTHREE
        !          1053:     if ($action eq 'setaccess') {
        !          1054:         $r->print("<i>$lt{'setl'} $lt{'freg'}</i>");
        !          1055:     } elsif ($action eq 'updatenow') {
        !          1056:         $r->print("<i>$lt{'setl'} $lt{'fnew'}</i>");
        !          1057:     }
        !          1058:     $r->print(<<ENDFOUR); 
        !          1059:                        </td>
        !          1060:                       </tr>
        !          1061:                       <tr>
        !          1062:                        <td>$end_table
        !          1063:                        </td>
        !          1064:                       </tr>
        !          1065:                      </table>
        !          1066:                     </td>
        !          1067:                    </tr>
        !          1068: ENDFOUR
        !          1069:     if ($action eq 'setaccess') {
        !          1070:         $r->print("
        !          1071:                    <tr>
        !          1072:                     <td colspan=\"2\"><font color=\"#888888\">$lt{'ifad'}</font></td>
        !          1073:                    </tr>
        !          1074:                   </table>
        !          1075:         ");
        !          1076:     } elsif ($action eq 'updatenow') {
        !          1077:         $r->print("
        !          1078:                    </tr>
        !          1079:                   </table>
        !          1080:         ");
        !          1081:     }
        !          1082: }
        !          1083: 
1.1       raeburn  1084: ###############################################################
                   1085: sub print_doc_base {
                   1086:   my $r = shift;
                   1087:   $r->print(<<ENDBASE);
                   1088:   </td>
                   1089:  </tr>
                   1090: </table>
                   1091: <br/>
                   1092: </body>
                   1093: </html> 
                   1094: ENDBASE
                   1095: }
                   1096:  
                   1097: ###################################################################
                   1098: sub print_chgsettings_response {
                   1099:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.10      raeburn  1100:   my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend','internal.autoadds','internal.autodrops'],$dom,$crs);
                   1101:   my $currend = '';
                   1102:   my $currstart = '';
                   1103:   my $currsecs = '';
                   1104:   my $currxlists = '';
                   1105:   my $curradds = '';
                   1106:   my $currdrops = '';
                   1107:   if ( defined($settings{'internal.autoadds'}) ) {
                   1108:       $curradds = $settings{'internal.autoadds'};
                   1109:   }
                   1110:   if ( defined($settings{'internal.autodrops'}) ) {
                   1111:       $currdrops = $settings{'internal.autodrops'};
                   1112:   }
                   1113:   if ( defined($settings{'internal.autostart'}) ) {
                   1114:       $currstart = $settings{'internal.autostart'};
                   1115:   }
                   1116:   if ( defined($settings{'internal.autoend'}) ) {
                   1117:       $currend = $settings{'internal.autoend'};
                   1118:   }
                   1119:   if ( defined($settings{'internal.sectionnums'}) ) {
                   1120:       $currsecs = $settings{'internal.sectionnums'};
                   1121:   }
                   1122:   if ( defined($settings{'internal.crosslistings'}) ) {
                   1123:       $currxlists = $settings{'internal.crosslistings'}
                   1124:   }
1.1       raeburn  1125:   my $autoadds = '';
                   1126:   my $autodrops = '';
                   1127: 
                   1128:   if ( exists($ENV{'form.autoadds'}) ) {
                   1129:       $autoadds=$ENV{'form.autoadds'};
                   1130:   }
                   1131:   if ( exists($ENV{'form.autodrops'}) ) {
                   1132:       $autodrops=$ENV{'form.autodrops'};
                   1133:   }
                   1134: 
                   1135:   my $response = "";
1.10      raeburn  1136:   my $warning = "";
                   1137:   my $warn_prefix = "";
                   1138:   my $warn_suffix = "";
                   1139:   my $warnfiller = "";
1.1       raeburn  1140:   my %cenv = ('internal.autoadds' => $autoadds,
                   1141:               'internal.autodrops' => $autodrops);
                   1142:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1143:   if ($reply !~ /^ok$/) {
                   1144:        $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1145:   } else {
                   1146:       if ($autoadds) {
                   1147:           if ($curradds) {
                   1148:               $response = "Nightly additions based on classlist changes still <b>enabled</b><br/>";
                   1149:           } else {
                   1150:               $response = "Nightly additions based on classlist changes now <b>enabled</b><br/>";
1.10      raeburn  1151:           }
1.1       raeburn  1152:       } else {
                   1153:           if ($curradds) {
                   1154:               $response = "Nightly additions based on classlist changes now <b>disabled</b><br/>";
                   1155:           } else {
                   1156:               $response = "Nightly additions based on classlist changes still <b>disabled</b><br/>";
                   1157:           }
                   1158:       }
                   1159:       if ($autodrops) {
                   1160:           if ($currdrops) {
                   1161:               $response .= "Nightly removals based on classlist changes still <b>enabled</b><br>";
                   1162:           } else {
                   1163:               $response .= "Nightly removals based on classlist changes now <b>enabled</b><br/>";
                   1164:           }
                   1165:       } else {
                   1166:           if ($currdrops) {
                   1167:               $response .= "Nightly removals based on classlist changes now <b>disabled</b><br>";
                   1168:           } else {
                   1169:               $response .= "Nightly removals based on classlist changes still <b>disabled</b>";
                   1170:           }
                   1171:       }
1.10      raeburn  1172:       if ($autoadds || $autodrops) {
                   1173:           $warning = &warning_message($dom,$crs,$action);
                   1174:           $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you indicated that nightly ";
                   1175:           $warn_suffix = " should be enabled, additional action is required.<br/>";
                   1176:       }
                   1177:       if ($autoadds) {
                   1178:           if ($autodrops) {
                   1179:               $warnfiller = "adds and drops";
                   1180:           } else {
                   1181:               $warnfiller = "adds";
                   1182:           }
                   1183:       } else {
                   1184:           if ($autodrops) {
                   1185:               $warnfiller = "drops";
                   1186:           }
                   1187:       }
                   1188:       unless ($warning eq '') {
                   1189:           $response = $warn_prefix.$warnfiller.$warn_suffix.$warning;
                   1190:       }
1.1       raeburn  1191:   }
                   1192:   &print_reply($r,$response,$$tasktitleref{$action});
                   1193:   return;
                   1194: }
                   1195: 
                   1196: sub print_setdates_response {
                   1197:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1198:   my %settings = &Apache::lonnet::get('environment',['internal.autostart','internal.autoend'],$dom,$crs);
                   1199:   my $currstart = $settings{'internal.autostart'};
                   1200:   my $currend = $settings{'internal.autoend'};
                   1201:   my $response = '';
                   1202:   my ($autostart,$autoend) = &get_dates_from_form();
1.14    ! raeburn  1203:   my $showstart = &Apache::lonlocal::locallocaltime($autostart);
1.1       raeburn  1204:   my $showend = '';
1.10      raeburn  1205:   my $warning = '';
                   1206:   my $warn_prefix = '';
1.1       raeburn  1207:   if ($autoend) {
1.14    ! raeburn  1208:       $showend = &Apache::lonlocal::locallocaltime($autoend);
1.1       raeburn  1209:   } else {
                   1210:       $showend = "'No end date'";
                   1211:   } 
                   1212: 
                   1213:   my %cenv = ('internal.autostart' => $autostart,
                   1214:               'internal.autoend' => $autoend);
                   1215:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1216:   if ($reply !~ /^ok$/) {
                   1217:        $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1218:   } else {
                   1219:       if ($currstart == $autostart) {
                   1220:           $response = "The first date for automated enrollment has been left unchanged as $showstart.<br/>";
                   1221:       } else {
                   1222:           $response = "The first date for automated enrollment has been changed to $showstart.<br/>";
                   1223:       } 
                   1224:       if ($currend == $autoend) {
                   1225:           $response .= "The last date for automated enrollment has been left unchanged as $showend.<br/>";
                   1226:       } else {
1.9       raeburn  1227:           $response .= "The last date for automated enrollment has been changed to $showend.<br/>";
1.1       raeburn  1228:       }
                   1229:  
1.14    ! raeburn  1230: # 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  1231: 
                   1232:       my $rosterupdated = 0;
                   1233:       my $firstaccess = "";
                   1234:       my $nextupdate = "";
                   1235:       my $lastupdate = "";
                   1236: 
                   1237:       my $nowstamp = time;
                   1238:       my @date_list=localtime(time);
                   1239:       my $cur_year = $date_list[5];
                   1240:       my $curday = $date_list[3];
                   1241:       my $curmonth = $date_list[4];
                   1242:       my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
                   1243:       my $nextmidnt = 86400 + $lastmidnt;
                   1244: 
1.10      raeburn  1245:       my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
1.1       raeburn  1246:       my $lastupdate = $todayupdate - 86400;
                   1247:       if ($nowstamp < $todayupdate) {
                   1248:           $nextupdate = "today";
                   1249:       } else {
                   1250:           $nextupdate = "tomorrow";
                   1251:       }
                   1252:       if ($currstart < $lastupdate) {
                   1253:           $rosterupdated = 1;
                   1254:       }
                   1255:       if ($autostart < $nextmidnt ) {
                   1256:           if ( $autostart >= $lastmidnt) {
                   1257:               $firstaccess = "today";
                   1258:           } else {
                   1259:               $firstaccess = "a date prior to today";
                   1260:           }
                   1261:           if (($nowstamp >= $autostart) && ($rosterupdated == 0)) {
1.14    ! raeburn  1262:               $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>|;
1.1       raeburn  1263:           }
                   1264:       }
1.10      raeburn  1265:       $warning = &warning_message($dom,$crs,$action);
                   1266:       $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you set a start and end date for auto-enrollment, additional action is required.<br/>";
                   1267:       unless ($warning eq '') {
                   1268:           $response .= $warn_prefix.$warning;
                   1269:       }
1.1       raeburn  1270:   }
                   1271:   &print_reply($r,$response,$$tasktitleref{$action});
                   1272:   return;
                   1273: }
                   1274: 
1.14    ! raeburn  1275: sub print_setaccess_response {
        !          1276:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
        !          1277:   my %settings = &Apache::lonnet::get('environment',['default_enrollment_start_date','default_enrollment_end_date','internal.autostart'],$dom,$crs);
        !          1278:   my $currstart = $settings{'default_enrollment_start_date'};
        !          1279:   my $currend = $settings{'default_enrollment_end_date'};
        !          1280:   my $autostart = $settings{'internal.autostart'};
        !          1281:   my $response = '';
        !          1282:   my ($startaccess,$endaccess) = &get_dates_from_form();
        !          1283:   my $showstart = &Apache::lonlocal::locallocaltime($startaccess);
        !          1284:   my $showend = '';
        !          1285:   my $warning = '';
        !          1286:   my $warn_prefix = '';
        !          1287:   if ($endaccess) {
        !          1288:       $showend = &Apache::lonlocal::locallocaltime($endaccess);
        !          1289:   } else {
        !          1290:       $showend = "'No end date'";
        !          1291:   }
        !          1292:                                                                                    
        !          1293:   my %cenv = ('default_enrollment_start_date' => $startaccess,
        !          1294:               'default_enrollment_end_date' => $endaccess);
        !          1295:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
        !          1296:   if ($reply !~ /^ok$/) {
        !          1297:        $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
        !          1298:   } else {
        !          1299:       if ($currstart == $startaccess) {
        !          1300:           $response = "The first access date for students added via automated enrollment has been left unchanged as $showstart.<br/>";
        !          1301:       } else {
        !          1302:           $response = "The first access date for students added via automated enrollment has been changed to
        !          1303: $showstart.<br/>";
        !          1304:       }
        !          1305:       if ($currend == $endaccess) {
        !          1306:           $response .= "The last access date for students added via automated enrollment has been left unchanged as $showend.<br/>";
        !          1307:       } else {
        !          1308:           $response .= "The last access date for students automated enrollment has been changed to
        !          1309: $showend.<br/>";
        !          1310:       }
        !          1311:                                                                                    
        !          1312: # Generate message in case where old first access date was later than today, but new first access date is now today or earlier.
        !          1313:                                                                                    
        !          1314:       my $accessgiven= 0;
        !          1315:       my $firstaccess = "";
        !          1316:       my $nextupdate = "";
        !          1317:       my $lastupdate = "";
        !          1318: 
        !          1319:       my $nowstamp = time;
        !          1320:       my @date_list=localtime(time);
        !          1321:       my $cur_year = $date_list[5];
        !          1322:       my $curday = $date_list[3];
        !          1323:       my $curmonth = $date_list[4];
        !          1324:       my $lastmidnt = timelocal(0,0,0,$date_list[3],$date_list[4],$date_list[5]);
        !          1325:       my $nextmidnt = 86400 + $lastmidnt;
        !          1326: 
        !          1327:       my $todayupdate = timelocal(0,30,1,$date_list[3],$date_list[4],$date_list[5]);
        !          1328:       my $tomorrowupdate = $todayupdate + 86400;
        !          1329:       my $lastupdate = $todayupdate - 86400;
        !          1330: 
        !          1331:       if ($autostart < $nextmidnt) {
        !          1332:           if ($nowstamp < $todayupdate) {
        !          1333:               $nextupdate = "at 1.30 am today";
        !          1334:           } else {
        !          1335:               $nextupdate = "at 1.30 am tomorrow";
        !          1336:           }
        !          1337:       } else {
        !          1338:           my @enrollstart = &Apache::lonlocal::locallocaltime($autostart);
        !          1339:           $nextupdate = timelocal(0,30,1,$enrollstart[3],$enrollstart[4],$enrollstart[5]);
        !          1340:           unless (($enrollstart[2] < 1) || ($enrollstart[2] == 1 && $enrollstart[1] <=30))  {
        !          1341:               $nextupdate += 86400; 
        !          1342:           }
        !          1343:           $nextupdate = &Apache::lonlocal::locallocaltime($nextupdate);
        !          1344:       }
        !          1345:       if (($currstart < $lastupdate) && ($autostart < $lastupdate)) {
        !          1346:           $accessgiven = 1;
        !          1347:       }
        !          1348:       if ($startaccess < $nextmidnt ) {
        !          1349:           if ( $startaccess >= $lastmidnt) {
        !          1350:               $firstaccess = "today";
        !          1351:           } else {
        !          1352:               $firstaccess = "a date prior to today";
        !          1353:           }
        !          1354:           if (($nowstamp >= $startaccess) && ($accessgiven == 0)) {
        !          1355:               $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>|;
        !          1356:           }
        !          1357:       }
        !          1358:       $warning = &warning_message($dom,$crs,$action);
        !          1359:       $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/>";
        !          1360:       unless ($warning eq '') {
        !          1361:           $response .= $warn_prefix.$warning;
        !          1362:       }
        !          1363:   }
        !          1364:   &print_reply($r,$response,$$tasktitleref{$action});
        !          1365:   return;
        !          1366: }
        !          1367: 
1.1       raeburn  1368: sub print_notify_response {
                   1369:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1370: 
                   1371: # Get current settings
                   1372:   my %settings = &Apache::lonnet::get('environment',['internal.notifylist','internal.coursecode'],$dom,$crs);
                   1373:   my $notifylist = $settings{'internal.notifylist'};
                   1374:   my $coursecode = $settings{'internal.coursecode'};
                   1375:   my @currpeople = ();
                   1376:   my $notify = 0;
                   1377:   my @people = ();
1.7       raeburn  1378:   my $peoplestr = "";
                   1379:   my $response = "";
                   1380:   my $noprocess = 0;
1.1       raeburn  1381: 
                   1382:   if ($notifylist =~ m/,/) {
                   1383:       @currpeople = split/,/,$notifylist;
                   1384:   } else {
1.7       raeburn  1385:       $currpeople[0] = $notifylist;
1.1       raeburn  1386:   }
                   1387:   my $currcount = 0;
                   1388:   foreach  (@currpeople) {
                   1389:       unless ($_ eq '') { $currcount ++; } 
                   1390:   }
                   1391: 
                   1392:   if ( exists($ENV{'form.notify'}) ) {
                   1393:       $notify=$ENV{'form.notify'};
                   1394:   }
1.7       raeburn  1395:   if ( exists($ENV{'form.notifyshow'}) ) {
                   1396:       my $notifyshow = $ENV{'form.notifyshow'};
                   1397:       for (my $i=0; $i<$notifyshow; $i++) {
                   1398:           if ( exists($ENV{"form.note_$i"}) ) {
                   1399:               if ( exists($ENV{"form.notifyname_$i"}) ) {
                   1400:                   unless ( $ENV{"form.notifyname_$i"} eq '' ) {
                   1401:                       push @people, $ENV{"form.notifyname_$i"};
                   1402:                   }
                   1403:               }
                   1404:           }
                   1405:       }
                   1406:       if ($notify) { $peoplestr = join(",",@people); }
1.1       raeburn  1407:   } else {
                   1408:       if ($notify) {
1.7       raeburn  1409:           if ($currcount) {
                   1410:               $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/>.";
                   1411:               $peoplestr = $notifylist;
                   1412:               @people = @currpeople;
                   1413:               $noprocess = 1;
                   1414:           }
                   1415:       }
                   1416:   }
                   1417:   unless ($noprocess == 1) {
                   1418:       my %cenv = ('internal.notifylist' => $peoplestr);
                   1419:       my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1420:       if ($reply !~ /^ok$/) {
                   1421:            $response = "There was a problem processing your requested changes. The notification settings for this course have been left unchanged.<br/>";
                   1422:       } else {
                   1423:           if ($notify) {
                   1424:               if (@people) {
                   1425:                   if ($currcount) {
                   1426:                       $response .= "Notification of enrollment changes still <b>enabled</b><br/>";
                   1427:                   } else {
                   1428:                       $response .= "Notification of enrollment changes now <b>enabled</b><br/>";
                   1429:                   }
                   1430:                   $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";
                   1431:                   foreach my $person (@people) {
                   1432:                       $response .= "<li>$person</li>\n";
                   1433:                   }
                   1434:                   $response .= "</ul>\n";
                   1435:               } else {
                   1436:                   $response = "Notification of enrollment changes was <b> not enabled</b> as no course coordinators were selected as recipients.<br/>";
                   1437:               }
                   1438:           } else {
1.1       raeburn  1439:               if ($currcount) {
1.7       raeburn  1440:                   $response = "Notification of enrollment changes now <b>disabled</b><br/>";
1.1       raeburn  1441:               } else {
1.7       raeburn  1442:                   $response = "Notification of enrollment changes still <b>disabled</b><br/>";
1.1       raeburn  1443:               }
                   1444:           }
                   1445:       }
                   1446:   }
                   1447:   &print_reply($r,$response,$$tasktitleref{$action});
                   1448:   return;
                   1449: }
                   1450: 
                   1451: sub print_crosslistings_menu () {
1.13      raeburn  1452:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.1       raeburn  1453:   my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode'],$dom,$crs);
                   1454:   my @currxlists = ();
                   1455:   my @xlists = ();
                   1456:   my $crosscount = 0;
                   1457:   my $removecount = 0;
                   1458:   my $xliststr = '';
                   1459:   my $response = '';
                   1460:   my $coursecode = $settings{'internal.coursecode'};
                   1461:   if ($settings{'internal.crosslistings'} =~ m/,/) {
                   1462:       @currxlists = split/,/,$settings{'internal.crosslistings'};
                   1463:   } elsif ($settings{'internal.crosslistings'} ne '') {
                   1464:       $currxlists[0] = $settings{'internal.crosslistings'};
                   1465:   }
                   1466: 
                   1467:   if (@currxlists > 0) {
                   1468:       for (my $i=0; $i<@currxlists; $i++) {
                   1469:           my $xlist = "cross_".$i;
                   1470:           my $gp = "gp_".$i;
                   1471:           if ( exists($ENV{"form.$xlist"}) ) {
                   1472:               my $xlistentry = '';
1.14    ! raeburn  1473:               if ($currxlists[$i] =~ m/^([^:]+)/) {
        !          1474:                   $xlistentry = $1.':';
1.1       raeburn  1475:               }
                   1476:               if ( exists($ENV{"form.$gp"}) ) {
                   1477:                   $xlistentry .= $ENV{"form.$gp"};
                   1478:               }
                   1479:               push @xlists,$xlistentry;
                   1480:               $crosscount ++;
                   1481:           } else {
                   1482:               $removecount ++;
                   1483:           }
                   1484:       }
                   1485:   }
                   1486: 
                   1487:   if ($crosscount > 1) {
                   1488:       $xliststr = join(",",@xlists);
                   1489:   } else {
                   1490:       $xliststr = $xlists[0];
                   1491:   }
                   1492:   my %cenv = ('internal.crosslistings' => $xliststr);
                   1493:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1494:   if ($reply !~ /^ok$/) {
                   1495:       $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1496:   } else {
                   1497:       if ($removecount > 0) {
1.5       raeburn  1498:           $response = "A total of $removecount courses are no longer crosslisted with LON-CAPA course: $realm ($coursecode).<br/><br/>";
1.1       raeburn  1499:       }
                   1500:       if ($crosscount > 0) {
                   1501:           $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";
                   1502:           foreach (@xlists) {
                   1503:               my ($xlist,$gp) = split/:/,$_;
                   1504:               $response .= "<li>$xlist - ID: $gp</li>\n";
                   1505:           }
                   1506:           $response .= "</ul><br/>\n";
                   1507:       }
                   1508:   }
                   1509:   if ( exists($ENV{'form.numcross'}) ) {
                   1510:       my $numcross = $ENV{'form.numcross'};
                   1511:       if ($numcross > 0) {
                   1512:           my @bgcolors=("#eeeeee","#cccccc");
                   1513:           $response .= qq(
                   1514:            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/>
                   1515:            <form name="enter" method="post">
                   1516:            <table border="0" cellpadding="2" cellspacing="2" width="100%">
                   1517:              <tr>
                   1518:               <td>
                   1519:                <table border="0" cellspacing="3" cellpadding="3">
                   1520:                 <tr bgcolor="#CCCCFF" align="left">
                   1521:                  <td><b>Crosslisting</b></td>
                   1522:                  <td><b>LON-CAPA section/groupID</b></td>
                   1523:                 </tr>
                   1524:           );
                   1525:           for (my $i=0; $i<$numcross; $i++) {
                   1526:               my $colflag = $i%2;
                   1527:               $response .= qq(
                   1528:                 <tr bgcolor="$bgcolors[$colflag]" align="left">
                   1529:                  <td><input type="text" size="15" name="newcross_$i" /></td>
                   1530:                  <td><input type="text" size="10" name="newgroupid_$i" /></td>
                   1531:                 </tr>
                   1532:               );
                   1533:           }
                   1534:           $response .= qq(  </table>
                   1535:               </td>
                   1536:              </tr>
                   1537:              <tr>
                   1538:               <td align="right">
                   1539:                <input type="button" name="newcross" value="Go" onClick="process('newcross')" />
                   1540:               </td>
                   1541:              </tr>
                   1542:             </table>
                   1543:             <input type=\"hidden\" name=\"numcross\" value=\"$numcross\">
                   1544:             <input type=\"hidden\" name=\"action\" value=\"newcross\">
                   1545:             <input type=\"hidden\" name=\"state\" value=\"process\">
                   1546:             </form>
                   1547:           );
                   1548:       }
                   1549:   }
                   1550:   &print_reply($r,$response,$$tasktitleref{$action});
                   1551:   return;
                   1552: }
                   1553: 
                   1554: sub print_crosslistings_response () {
1.13      raeburn  1555:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.5       raeburn  1556:   my %settings = &Apache::lonnet::get('environment',['internal.crosslistings','internal.coursecode','internal.courseowner'],$dom,$crs);
1.1       raeburn  1557:   my @currxlists = ();
                   1558:   my @xlists = ();
                   1559:   my @allxlists = ();
1.5       raeburn  1560:   my @badxlists = ();
                   1561:   my @badowner = ();
1.1       raeburn  1562:   my $numcross = 0;
                   1563:   my $xliststr =  $settings{'internal.crosslistings'};
                   1564:   my $coursecode = $settings{'internal.coursecode'};
1.5       raeburn  1565:   my $owner = $settings{'internal.courseowner'};
1.1       raeburn  1566:   my $response = '';
1.10      raeburn  1567:   my $warning = '';
                   1568:   my $warn_prefix = '';
1.1       raeburn  1569: 
                   1570:   if ($xliststr =~ m/,/) {
                   1571:       @allxlists = split/,/,$xliststr;
                   1572:   } else {
                   1573:       unless ($xliststr eq '') { $allxlists[0] = $xliststr; }
                   1574:   }
                   1575: 
                   1576:   if ( exists($ENV{'form.numcross'}) ) {
                   1577:       $numcross = $ENV{'form.numcross'};
                   1578:   }
                   1579: 
                   1580:   if ($numcross > 0) {
                   1581:       for (my $i=0; $i<$numcross; $i++) {
                   1582:           my $xl = "newcross_".$i;
                   1583:           my $gp = "newgroupid_".$i;
                   1584:           if ( exists($ENV{"form.$xl"}) ) {
1.12      raeburn  1585:               my $coursecheck = '';
1.13      raeburn  1586:               $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$ENV{"form.$xl"});
1.5       raeburn  1587:               if ($coursecheck eq 'ok') {
1.12      raeburn  1588:                   my $addcheck = '';
1.13      raeburn  1589:                   $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$ENV{"form.$xl"},$owner);
1.5       raeburn  1590:                   if ($addcheck eq 'ok') {
                   1591:                      push @xlists,$ENV{"form.$xl"}.":".$ENV{"form.$gp"};
                   1592:                   } else {
                   1593:                      push @badowner,$ENV{"form.$xl"}.":".$ENV{"form.$gp"};
1.12      raeburn  1594:                   }
1.5       raeburn  1595:               } else {
1.6       raeburn  1596:                   push @badxlists, $ENV{"form.$xl"}.":".$ENV{"form.$gp"}.":".$coursecheck;
1.5       raeburn  1597:               }
1.1       raeburn  1598:           }
                   1599:       }
                   1600:       push @allxlists, @xlists;
                   1601:   }
                   1602: 
                   1603:   if (@xlists > 0 ) {
                   1604:       unless ($xliststr eq '') { $xliststr .= ","; }
                   1605:       if (@xlists > 1) {
                   1606:           $xliststr .= join(",",@xlists);
                   1607:       } else {
                   1608:           $xliststr .= $xlists[0];
                   1609:       }
                   1610:       my %cenv = ('internal.crosslistings' => $xliststr);
                   1611:       my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1612:       if ($reply !~ /^ok$/) {
1.6       raeburn  1613:           $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
1.1       raeburn  1614:       } else {
                   1615:           $response = "The courses listed below are now crosslisted with this LON-CAPA course, and students enrolling in these course sections will be automatically added to the class roster for the course, if you have chosen to enable a nightly automated enrollment update.<br/><ul>\n";
1.6       raeburn  1616:           foreach (@allxlists) {
                   1617:               my ($xlist,$gp) = split/:/,$_;
                   1618:               $response .= "<li>$xlist - ID: $gp</li>\n";
                   1619:           }
                   1620:           $response .= "</ul><br/><br/>\n";
                   1621:       }
                   1622:   } else {
                   1623:       if ($xliststr =~ m/:/) {
                   1624:           my @oldxlists = ();
                   1625:           if ($xliststr =~ m/,/) {
                   1626:               @oldxlists = split/,/,$xliststr;
                   1627:           } else {
                   1628:               $oldxlists[0] = $xliststr;
                   1629:           }
                   1630:           $response .= "Although no new crosslistings were added, the courses listed below continue to be crosslisted with your LON-CAPA course.<br/><ul>\n";
                   1631:           foreach (@oldxlists) {
                   1632:               my ($xlist,$gp) = split/:/,$_;
                   1633:               $response .= "<li>$xlist - ID: $gp</li>\n";
                   1634:           }
                   1635:           $response .= "</ul><br/><br/>\n";
1.1       raeburn  1636:       }
                   1637:   }
1.5       raeburn  1638:   if (@badxlists > 0) {
                   1639:       $response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because they are not valid courses according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   1640:       foreach (@badxlists) {
1.6       raeburn  1641:           my ($xlist,$gp,$prob) = split/:/,$_;
                   1642:           $response .= "<li>$xlist - ID: $gp - Error: $prob</li>\n";
1.5       raeburn  1643:       }
                   1644:       $response .= "</ul><br/><br/>\n";
                   1645:   }
                   1646: 
                   1647:   if (@badowner > 0) {
                   1648:       $response .= "The courses listed below could not be included in the crosslistings for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   1649:       foreach (@badowner) {
                   1650:           my ($xlist,$gp) = split/:/,$_;
                   1651:           $response .= "<li>$xlist - ID: $gp</li>\n";
                   1652:       }
                   1653:       $response .= "</ul><br/><br/>\n";
                   1654:   }
1.1       raeburn  1655: 
1.10      raeburn  1656:   if (@allxlists > 0) {
                   1657:       $warning = &warning_message($dom,$crs,$action);
                   1658:       $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected crosslisted courses to contribute enrollment to this course, additional action is required.<br/>";
                   1659:       unless ($warning eq '') {
                   1660:           $response .= $warn_prefix.$warning;
                   1661:       }
                   1662:   }
                   1663: 
1.1       raeburn  1664:   &print_reply($r,$response,$$tasktitleref{$action});
                   1665:   return;
                   1666: }
                   1667: 
                   1668: sub print_sections_menu () {
1.13      raeburn  1669:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.8       raeburn  1670:   my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
1.1       raeburn  1671:   my @currsections = ();
                   1672:   my @sections = ();
1.8       raeburn  1673:   my @badowner = ();
                   1674:   my @badsections = ();
1.1       raeburn  1675:   my $seccount = 0;
                   1676:   my $removecount = 0;
1.6       raeburn  1677:   my $addcount = 0;
1.1       raeburn  1678:   my $secstr = '';
                   1679:   my $response = '';
1.10      raeburn  1680:   my $warning = "";
                   1681:   my $warn_prefix = "";
1.1       raeburn  1682:   my $coursecode = $settings{'internal.coursecode'};
1.8       raeburn  1683:   my $owner = $settings{'internal.courseowner'};
1.1       raeburn  1684:   if ($settings{'internal.sectionnums'} =~ m/,/) {
                   1685:       @currsections = split/,/,$settings{'internal.sectionnums'};
                   1686:   } elsif ($settings{'internal.sectionnums'} ne '') {
                   1687:       $currsections[0] = $settings{'internal.sectionnums'};
                   1688:   }
1.6       raeburn  1689: 
                   1690:   if ( exists($ENV{'form.secshow'}) ) {
1.8       raeburn  1691:       for (my $i=0; $i<$ENV{'form.secshow'}; $i++) {
                   1692:           my $gp = "loncapasec_".$i;
                   1693:           my $secnum = "secnum_".$i;
                   1694:           my $sec = "sec_".$i;
                   1695:           if ( exists( $ENV{"form.$sec"} ) ) {
                   1696:               my $secentry;
                   1697:               if ( exists( $ENV{"form.$secnum"} ) ) { 
                   1698:                   $secentry = $ENV{"form.$secnum"}.':';
                   1699:               }
                   1700:               if ( exists( $ENV{"form.$gp"} ) ) {
                   1701:                   $secentry .= $ENV{"form.$gp"};
                   1702:               }
                   1703:               if ( grep/^$ENV{"form.$secnum"}:/,@currsections) {
                   1704:                   push @sections, $secentry;
                   1705:                   $seccount ++;
                   1706:               } else {
                   1707:                   my $newsec = $coursecode.$ENV{"form.$secnum"};
1.13      raeburn  1708:                   my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
1.8       raeburn  1709:                   if ($coursecheck eq 'ok') {
1.13      raeburn  1710:                       my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
1.8       raeburn  1711:                       if ($addcheck eq 'ok') {
                   1712:                           push @sections,$ENV{"form.$secnum"}.":".$ENV{"form.$gp"};
                   1713:                           $seccount ++;
                   1714:                           $addcount ++;
                   1715:                       } else {
                   1716:                           push @badowner,$ENV{"form.$secnum"}.":".$ENV{"form.$gp"};
                   1717:                       }
                   1718:                   } else {
                   1719:                       push @badsections, $ENV{"form.$secnum"}.":".$ENV{"form.$gp"}.":".$coursecheck;
                   1720:                   }
                   1721:               }
                   1722:           }
                   1723:       }
                   1724:       if (@currsections > 0) {
                   1725:           for (my $i=0; $i<@currsections; $i++) {
                   1726:               if ($currsections[$i] =~ m/^(\w+:)/ ) {
                   1727:                   my $oldsec  = $1;
                   1728:                   unless (grep/^$oldsec/,@sections) {
                   1729:                       $removecount ++;
                   1730:                   }
                   1731:               }
                   1732:           }
                   1733:       }
1.6       raeburn  1734:   } elsif (@currsections > 0) {
1.1       raeburn  1735:       for (my $i=0; $i<@currsections; $i++) {
                   1736:           my $sec = "sec_".$i;
                   1737:           my $gp = "secgp_".$i;
                   1738:           if ( exists($ENV{"form.$sec"}) ) {
                   1739:               my $secentry = '';
1.6       raeburn  1740:               if ($currsections[$i] =~ m/^(\w+:)/ ) {
1.1       raeburn  1741:                   $secentry = $1;
                   1742:               }
                   1743:               if ( exists($ENV{"form.$gp"}) ) {
                   1744:                   $secentry .= $ENV{"form.$gp"};
                   1745:               }
                   1746:               push @sections,$secentry;
                   1747:               $seccount ++;
                   1748:           } else {
                   1749:               $removecount ++;
                   1750:           }
                   1751:       }
                   1752:   }
                   1753:                                                                                                      
                   1754:   if ($seccount > 1) {
                   1755:       $secstr = join(",",@sections);
                   1756:   } else {
                   1757:       $secstr = $sections[0];
                   1758:   }
                   1759:   my %cenv = ('internal.sectionnums' => $secstr);
                   1760:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1761:   if ($reply !~ /^ok$/) {
                   1762:        $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>";
                   1763:   } else {
                   1764:       if ($removecount > 0) {
                   1765:           $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/>";
                   1766:       }
1.6       raeburn  1767:       if ($addcount > 0) {
                   1768:           $response .= "A total of $addcount sections have been added to the list of
                   1769: sections which contribute to enrollment in LON-CAPA course: $realm ($coursecode).<br/><br/>";
                   1770:       }
1.1       raeburn  1771:       if ($seccount > 0) { 
1.6       raeburn  1772:           $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";
1.1       raeburn  1773:           foreach (@sections) {
                   1774:               my ($sec,$gp) = split/:/,$_;
                   1775:               $response .= "<li>$sec  - ID: $gp</li>\n";
                   1776:           }
                   1777:           $response .= "</ul><br/>\n";
                   1778:       }
                   1779:   }
                   1780: 
1.8       raeburn  1781:   if (@badsections > 0) {
                   1782:       $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";
                   1783:       foreach (@badsections) {
                   1784:           my ($secnum,$gp,$prob) = split/:/,$_;
                   1785:           $response .= "<li>$secnum - ID: $gp - Error: $prob</li>\n";
                   1786:       }
                   1787:       $response .= "</ul><br/><br/>\n";
                   1788:   }
                   1789: 
                   1790:   if (@badowner > 0) {
                   1791:       $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";
                   1792:       foreach (@badowner) {
                   1793:           my ($secnum,$gp) = split/:/,$_;
                   1794:           $response .= "<li>$secnum - ID: $gp</li>\n";
                   1795:       }
                   1796:       $response .= "</ul><br/><br/>\n";
                   1797:   }
                   1798: 
1.10      raeburn  1799:   if ($seccount > 0) {
                   1800:       $warning = &warning_message($dom,$crs,$action);
                   1801:       $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/>";
                   1802:       unless ($warning eq '') {
                   1803:           $response .= $warn_prefix.$warning;
                   1804:       }
                   1805:   }
                   1806: 
1.1       raeburn  1807:   if ( exists($ENV{'form.numsec'}) ) {
                   1808:       my $numsec = $ENV{'form.numsec'};
                   1809:       if ($numsec > 0) {
                   1810:           my @bgcolors=("#eeeeee","#cccccc");
                   1811:           $response .= qq(
                   1812:            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/> 
                   1813:            <form name="enter" method="post">
                   1814:            <table border="0" cellpadding="2" cellspacing="2" width="100%">
                   1815:              <tr>
                   1816:               <td>
                   1817:                <table border="0" cellspacing="3" cellpadding="3">
                   1818:                 <tr bgcolor="#CCCCFF" align="left">
                   1819:                  <td><b>Section number</b></td>
                   1820:                  <td><b>LON-CAPA section/groupID</b></td>
                   1821:                 </tr>
                   1822:           );
                   1823:           for (my $i=0; $i<$numsec; $i++) {
                   1824:               my $colflag = $i%2;
                   1825:               $response .= qq(
                   1826:                 <tr bgcolor="$bgcolors[$colflag]" align="left">
                   1827:                  <td><input type="text" size="15" name="newsec_$i" /></td>
                   1828:                  <td><input type="text" size="10" name="newsecgp_$i" /></td>
                   1829:                 </tr>
                   1830:               );
                   1831:           }
                   1832:           $response .= qq(  </table>
                   1833:               </td>
                   1834:              </tr>
                   1835:              <tr>
                   1836:               <td align="right">
                   1837:                <input type="button" name="newsections" value="Go" onClick="process('newsections')" />
                   1838:               </td>
                   1839:              </tr>
                   1840:             </table>
                   1841:             <input type=\"hidden\" name=\"numsec\" value=\"$numsec\">
                   1842:             <input type=\"hidden\" name=\"action\" value=\"newsections\">
                   1843:             <input type=\"hidden\" name=\"state\" value=\"process\">
                   1844:             </form>
                   1845:           );
                   1846:       }
                   1847:   }
                   1848:   &print_reply($r,$response,$$tasktitleref{$action});
                   1849:   return;
                   1850: }
                   1851: 
                   1852: sub print_sections_response () {
1.13      raeburn  1853:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.8       raeburn  1854:   my %settings = &Apache::lonnet::get('environment',['internal.sectionnums','internal.coursecode','internal.courseowner'],$dom,$crs);
1.1       raeburn  1855:   my @currsections = ();
                   1856:   my @sections = ();
                   1857:   my @allsections = ();
1.8       raeburn  1858:   my @badowner = ();
                   1859:   my @badsections = ();
1.1       raeburn  1860:   my $numsec = 0;
                   1861:   my $secstr =  $settings{'internal.sectionnums'};
                   1862:   my $coursecode = $settings{'internal.coursecode'};
1.8       raeburn  1863:   my $owner = $settings{'internal.courseowner'};
1.1       raeburn  1864:   my $response = '';
1.8       raeburn  1865:   my $putreply = '';
1.10      raeburn  1866:   my $warning = '';
                   1867:   my $warn_prefix = '';
1.1       raeburn  1868:   if ($secstr =~ m/,/) {
                   1869:       @allsections = split/,/,$secstr;
                   1870:   } else {
                   1871:       unless ($secstr eq '') { $allsections[0] = $secstr; }
                   1872:   }
                   1873: 
                   1874:   if ( exists($ENV{'form.numsec'}) ) {
                   1875:       $numsec = $ENV{'form.numsec'};
                   1876:   }
1.8       raeburn  1877: 
1.1       raeburn  1878:   if ($numsec > 0) {
                   1879:       for (my $i=0; $i<$numsec; $i++) {
                   1880:           my $sec = "newsec_".$i;
                   1881:           my $gp = "newsecgp_".$i;
                   1882:           if ( exists($ENV{"form.$sec"}) ) {
1.8       raeburn  1883:               unless ( (grep/^$ENV{"form.$sec"}:/,@allsections) || (grep/^$ENV{"form.$sec"}:/,@sections) ) {
                   1884:                   my $newsec = $coursecode.$ENV{"form.$sec"};
1.13      raeburn  1885:                   my $coursecheck = &Apache::lonnet::auto_validate_courseID($crs,$dom,$newsec);
1.8       raeburn  1886:                   if ($coursecheck eq 'ok') {
1.13      raeburn  1887:                       my $addcheck = &Apache::lonnet::auto_new_course($crs,$dom,$newsec,$owner);
1.8       raeburn  1888:                       if ($addcheck eq 'ok') {
                   1889:                           push @sections,$ENV{"form.$sec"}.":".$ENV{"form.$gp"};
                   1890:                       } else {
                   1891:                           push @badowner,$ENV{"form.$sec"}.":".$ENV{"form.$gp"};
                   1892:                       }
                   1893:                   } else {
                   1894:                       push @badsections, $ENV{"form.$sec"}.":".$ENV{"form.$gp"}.":".$coursecheck;
                   1895:                   }
                   1896:               }
1.1       raeburn  1897:           }
                   1898:       }
                   1899:       push @allsections, @sections;
                   1900:   }
1.8       raeburn  1901: 
1.1       raeburn  1902:   if (@sections > 0 ) {
                   1903:       unless ($secstr eq '') { $secstr .= ","; } 
                   1904:       if (@sections > 1) {
                   1905:           $secstr .= join(",",@sections);
                   1906:       } else {
                   1907:           $secstr .= $sections[0];
                   1908:       }
                   1909:       my %cenv = ('internal.sectionnums' => $secstr);
1.8       raeburn  1910:       $putreply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1911:       if ($putreply !~ /^ok$/) {
                   1912:           $response = "There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/><br/>";
                   1913:       }
                   1914:   }
                   1915: 
                   1916:   if ($putreply =~ /^ok/) {
                   1917:       $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";
                   1918:       foreach (@allsections) {
                   1919:           my ($sec,$gp) = split/:/,$_;
                   1920:           $response .= "<li>$sec - ID: $gp</li>\n";
                   1921:       }
                   1922:       $response .= "</ul><br/><br/>\n";
                   1923:   }
                   1924: 
                   1925:   if (@badsections > 0) {
                   1926:       $response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because they are not valid section numbers according to your institution's official schedule of classes and sections.<br/><ul>\n";
                   1927:       foreach (@badsections) {
                   1928:           my ($secnum,$gp,$prob) = split/:/,$_;
                   1929:           $response .= "<li>$secnum - ID: $gp - Error: $prob</li>\n";
1.1       raeburn  1930:       }
1.8       raeburn  1931:       $response .= "</ul><br/><br/>\n";
1.1       raeburn  1932:   }
1.8       raeburn  1933: 
                   1934:   if (@badowner > 0) {
                   1935:       $response .= "The sections listed below could not be included in the sections for this LON-CAPA course, because the owner of this course - $owner - does not have rights to view enrollment in those classes as determined by your instititution's policies on access to official classlists.<br/><ul>\n";
                   1936:       foreach (@badowner) {
                   1937:           my ($secnum,$gp) = split/:/,$_;
                   1938:           $response .= "<li>$secnum - ID: $gp</li>\n";
                   1939:       }
                   1940:       $response .= "</ul><br/><br/>\n";
1.1       raeburn  1941:   }
1.8       raeburn  1942: 
1.10      raeburn  1943:   if (@allsections > 0) {
                   1944:       $warning = &warning_message($dom,$crs,$action);
                   1945:       $warn_prefix = "<br/><font size ='+1'><b>Warning</b></font>. Although you have selected sections to contribute enrollment to this course, additional action is required.<br/>";
                   1946:       unless ($warning eq '') {
                   1947:           $response .= $warn_prefix.$warning;
                   1948:       }
                   1949:   }
                   1950: 
1.1       raeburn  1951:   &print_reply($r,$response,$$tasktitleref{$action});
                   1952:   return;
                   1953: }
                   1954: 
                   1955: sub print_photos_response () {
                   1956:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
                   1957:   my %settings = &Apache::lonnet::get('environment',['internal.showphotos'],$dom,$crs);
                   1958:   my $currphotos = $settings{'internal.showphotos'};
                   1959:   my $showphotos = '';
                   1960:   if ( exists($ENV{'form.showphotos'}) ) {
                   1961:       $showphotos=$ENV{'form.showphotos'};
                   1962:   }
1.8       raeburn  1963: 
1.1       raeburn  1964:   my $response = "";
                   1965:   my %cenv = ('internal.showphotos' => $showphotos);
                   1966:   my $reply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                   1967:   if ($reply !~ /^ok$/) {
                   1968:       $response = "There was a problem processing your requested change. The student photo import setting for this course has been left unchanged.<br/>";
                   1969:   } else {
                   1970:       if ($showphotos) {
                   1971:           if ($currphotos) {
                   1972:               $response = "Retrieval of student photos is still <b>enabled</b><br/>";
                   1973:           } else {
                   1974:               $response = "Retrieval of student photos in now <b>enabled</b><br/>";
                   1975:           }
                   1976:       } else {
                   1977:           if ($currphotos) {
                   1978:               $response = "Retrieval of student photos is now <b>disabled</b><br/>";
                   1979:           } else {
                   1980:               $response = "Retrieval of student photos is still <b>disabled</b><br/>";
                   1981:           }
                   1982:       }
                   1983:   }
                   1984:   &print_reply($r,$response,$$tasktitleref{$action});
                   1985:   return;
                   1986: }
                   1987: 
                   1988: sub print_update_result () {
1.13      raeburn  1989:   my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
1.1       raeburn  1990:   my $response = '';
                   1991:   my $updateadds = 0;
                   1992:   my $updatedrops = 0;
                   1993:   my $changecount = 0;
                   1994:   my %affiliates = ();
                   1995:   my %reply = ();
                   1996:   my @allcourses = ();
                   1997:   my %LC_code = ();
                   1998:   my $logmsg = '';
1.5       raeburn  1999:   my $newusermsg = '';
1.1       raeburn  2000: 
1.14    ! raeburn  2001:   my %settings = &Apache::lonnet::get('environment',['internal.coursecode','internal.sectionnums','internal.crosslistings','internal.authtype','internal.autharg'],$dom,$crs);
1.1       raeburn  2002:   my $coursecode = $settings{'internal.coursecode'};
                   2003:   my $authtype = $settings{'internal.authtype'};
                   2004:   my $autharg = $settings{'internal.autharg'};
1.14    ! raeburn  2005:   my ($startaccess,$endaccess) = &get_dates_from_form();
        !          2006: 
1.1       raeburn  2007:   if ( exists($ENV{'form.updateadds'}) ) {
                   2008:       $updateadds = $ENV{'form.updateadds'};
                   2009:   }
                   2010:   if ( exists($ENV{'form.updatedrops'}) ) {
                   2011:       $updatedrops = $ENV{'form.updatedrops'};
                   2012:   }
                   2013:   if (!$updateadds && !$updatedrops) {
                   2014:       $response = "An update of the class roster has not been carried out because you indicated that you wanted to neither add new students, nor expire dropped students based on a comparison between the institutional class lists for the course sections and crosslisted courses that contribure enrollment to this LON-CAPA course.";
                   2015:   } elsif ($coursecode eq '') {
                   2016:       $response = "There was a problem retrieving the course code for this LON-CAPA course.  An update of the class roster has not been carried out, and enrollment remains unchanged";
                   2017:   } else {
                   2018: # Get complete list of course sections to update
                   2019:       my @currsections = ();
                   2020:       my @currxlists = ();
                   2021: 
                   2022:       if ($settings{'internal.sectionnums'} =~ m/,/) {
                   2023:           @currsections = split/,/,$settings{'internal.sectionnums'};
                   2024:       } elsif ($settings{'internal.sectionnums'} ne '') {
                   2025:           $currsections[0] = $settings{'internal.sectionnums'};
                   2026:       }
                   2027: 
                   2028:       if ($settings{'internal.crosslistings'} =~ m/,/) {
                   2029:           @currxlists = split/,/,$settings{'internal.crosslistings'};
                   2030:       } elsif ($settings{'internal.crosslistings'} ne '') {
                   2031:           $currxlists[0] = $settings{'internal.crosslistings'};
                   2032:       }
                   2033:                                                                                                      
                   2034:       if (@currxlists > 0) {
                   2035:           foreach (@currxlists) {
                   2036:               if (m/^(\w+):(\w*)$/) {
                   2037:                   unless (grep/^$1$/,@allcourses) { 
                   2038:                       push @allcourses,$1;
                   2039:                       $LC_code{$1} = $2; 
                   2040:                   }
                   2041:               }
                   2042:           }
                   2043:       }
                   2044: 
                   2045:       if (@currsections > 0) {
                   2046:           foreach (@currsections) {
                   2047:               if (m/^(\w+):(\w*)$/) {
                   2048:                   my $sec = $coursecode.$1;
                   2049:                   my $gp = $2;
                   2050:                   unless (grep/^$sec$/,@allcourses) { 
                   2051:                       push @allcourses,$sec;
                   2052:                       $LC_code{$sec} = $gp; 
                   2053:                   }
                   2054:               }
                   2055:           }
                   2056:       }
                   2057: 
                   2058:       if (@allcourses > 0) {
                   2059:           @{$affiliates{$crs}} = @allcourses;
1.14    ! raeburn  2060:           my $outcome = &Apache::lonnet::fetch_enrollment_query('updatenow',\%affiliates,\%reply,$dom,$crs);
1.1       raeburn  2061:           if ($reply{$crs} > 0) {
1.14    ! raeburn  2062:               ($changecount,$response) = &LONCAPA::Enrollment::update_LC($dom,$crs,$updateadds,$updatedrops,$startaccess,$endaccess,$authtype,$autharg,\@allcourses,\%LC_code,\$logmsg,\$newusermsg,"updatenow");
1.1       raeburn  2063:           } else {
                   2064:               $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.";
                   2065:           }  
                   2066:       } else {
                   2067:           $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)";
                   2068:       }
                   2069:   }
                   2070:   unless ($logmsg eq '') {
                   2071:       my $loglength = length($logmsg);
                   2072:       $logmsg = substr($logmsg,0,$loglength-4);
                   2073:       $logmsg = "<br/><br/>The following messages were generated by the roster update process: <br/><ul><li>".$logmsg."</ul><br/>";
                   2074:   }
1.5       raeburn  2075:   unless ($newusermsg eq '') {
                   2076:       $newusermsg = substr( $newusermsg,0,rindex($newusermsg,'<li>') );
                   2077:       $newusermsg = "<br/><br/>The following new system user(s) who was/were created will be using internal authentication with an initial randomly generated password. A valid e-mail address was not available for this/these user(s) so LON-CAPA account credentials could not be sent via e-mail.<br/><ul><li>".$newusermsg."</ul><br/>";
                   2078:   }
                   2079:   $response .= $logmsg.$newusermsg;
1.1       raeburn  2080:   &print_reply($r,$response,$$tasktitleref{$action});
                   2081:   return;
1.10      raeburn  2082: }
                   2083: 
1.14    ! raeburn  2084: sub print_viewclass_response {
        !          2085:     my ($r,$realm,$dom,$crs,$action,$tasktitleref) = @_;
        !          2086:     my $response;
        !          2087:     my $chgtotal = 0;
        !          2088:     my $chgok = 0;
        !          2089:     my $chgfail = 0;
        !          2090:     my $othdom = 0;
        !          2091:     my $cid = $dom."_".$crs;
        !          2092:     my %chg = ();
        !          2093:     my %nochg = ();
        !          2094:     my %otherdom = ();
        !          2095:     my $modreply = ''; 
        !          2096:     my $classlist = &Apache::loncoursedata::get_classlist($cid,$dom,$crs);
        !          2097:     my $endidx = &Apache::loncoursedata::CL_END;
        !          2098:     my $startidx = &Apache::loncoursedata::CL_START;
        !          2099:     my $ididx=&Apache::loncoursedata::CL_ID;
        !          2100:     my $secidx=&Apache::loncoursedata::CL_SECTION;
        !          2101:     my $typeidx=&Apache::loncoursedata::CL_TYPE;
        !          2102:     foreach (sort keys %ENV) {
        !          2103:         if (/^form\.switch:(.+)$/) {
        !          2104:             my $student = $1;
        !          2105:             my ($uname,$udom) = split/:/,$student;
        !          2106:             my $sdata    = $classlist->{$student};
        !          2107:             my $section  = $sdata->[$secidx];
        !          2108:             my $uid       = $sdata->[$ididx];
        !          2109:             my $start    = $sdata->[$startidx];
        !          2110:             my $end      = $sdata->[$endidx];
        !          2111:             my $type     = $sdata->[$typeidx];
        !          2112:             $chgtotal ++;
        !          2113:             my $newtype = 'auto';
        !          2114:             my $change = 'auto';
        !          2115:             my $oldtype = 'manual';
        !          2116:             if ($type eq 'auto') { 
        !          2117:                 $oldtype = 'auto';
        !          2118:                 $newtype = '';
        !          2119:                 $change = 'manual';
        !          2120:             }
        !          2121:             if ($udom eq $dom) {
        !          2122:                 $modreply = &Apache::lonnet::modify_student_enrollment($udom,$uname,$uid,'','','','',$section,$end,$start,$newtype,$cid);
        !          2123:                 if ($modreply eq 'ok') {
        !          2124:                     $chgok ++;
        !          2125:                     $chg{$student} = "Changed to $change";
        !          2126:                 } else {
        !          2127:                     $chgfail ++;
        !          2128:                     $nochg{$student} = "Still set to $oldtype";
        !          2129:                 } 
        !          2130:             } else {
        !          2131:                 $othdom ++;
        !          2132:                 $otherdom{$student} = "Still set to $oldtype"; 
        !          2133:             }
        !          2134:         }
        !          2135:     }
        !          2136:     if ($chgtotal > 0) {
        !          2137:         $response = "You requested a change in enrollment type for $chgtotal students.<br /><br />\n";
        !          2138:         $classlist = &Apache::loncoursedata::get_classlist($cid,$dom,$crs);
        !          2139:         if ($chgok > 0) {
        !          2140:             $response .= "The following $chgok changes were successful:<br />";
        !          2141:             $response .= &enrolltype_result(\%chg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
        !          2142:         }
        !          2143:         if ($chgfail > 0) {
        !          2144:             $response .= "The following $chgfail students were not modified successfully:&nbsp;<br />";
        !          2145:             $response .= &enrolltype_result(\%nochg,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
        !          2146:         }
        !          2147:         if ($othdom > 0) {
        !          2148:             $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 />"; 
        !          2149:             $response .= &enrolltype_result(\%otherdom,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx);
        !          2150:         }
        !          2151:     }
        !          2152:     &print_reply($r,$response,$$tasktitleref{$action});
        !          2153:     return;
        !          2154: }
        !          2155: 
        !          2156: sub enrolltype_result {
        !          2157:     my ($changes,$classlist,$endidx,$startidx,$ididx,$secidx,$typeidx) = @_;
        !          2158:     my $reply = "
        !          2159:             <table border='2'>
        !          2160:              <tr>
        !          2161:               <th>username</th>
        !          2162:               <th>domain</th>
        !          2163:               <th>ID</th>
        !          2164:               <th>student name</th>
        !          2165:               <th>section</th>
        !          2166:               <th>start date</th>
        !          2167:               <th>end date</th>
        !          2168:               <th>enrollment change</th>
        !          2169:              </tr>";
        !          2170:     foreach (sort keys %{$changes}) {
        !          2171:         my $sdata  = $classlist->{$_};
        !          2172:         my ($uname,$udom) = split/:/,$_;
        !          2173:         my $section  = $sdata->[$secidx];
        !          2174:         my $uid      = $sdata->[$ididx];
        !          2175:         my $start    = $sdata->[$startidx];
        !          2176:         my $end      = $sdata->[$endidx];
        !          2177:         my $type     = $sdata->[$typeidx];
        !          2178:         if (! defined($start) || $start == 0) {
        !          2179:             $start = &mt('none');
        !          2180:         } else {
        !          2181:             $start = &Apache::lonlocal::locallocaltime($start);
        !          2182:         }
        !          2183:         if (! defined($end) || $end == 0) {
        !          2184:             $end = &mt('none');
        !          2185:         } else {
        !          2186:             $end = &Apache::lonlocal::locallocaltime($end);
        !          2187:         }
        !          2188:         if (!defined($section) || ($section eq '')) {
        !          2189:             $section eq '&nbsp;';
        !          2190:         }
        !          2191:         if (!defined($uid) || ($uid eq '')) {
        !          2192:             $uid = '&nbsp';
        !          2193:         }
        !          2194:         $reply .= "
        !          2195:              <tr>
        !          2196:               <td>$uname</td>
        !          2197:               <td>$udom</td>
        !          2198:               <td>$uid</td>
        !          2199:               <td>".&Apache::loncommon::plainname($uname,$udom)."</td>
        !          2200:               <td>$section</td>
        !          2201:               <td>$start</td>
        !          2202:               <td>$end</td>
        !          2203:               <td>$$changes{$_}</td>
        !          2204:              </tr>";
        !          2205:     }
        !          2206:     $reply .= "</table>";
        !          2207:     return $reply;
        !          2208: }
        !          2209: 
1.10      raeburn  2210: sub warning_message {
                   2211:     my ($dom,$crs,$caller) = @_;
                   2212:     my %settings = &Apache::lonnet::get('environment',['internal.autoadds','internal.autodrops','internal.sectionnums','internal.crosslistings','internal.autostart','internal.autoend'],$dom,$crs);
                   2213:     my $currend = '';
                   2214:     my $currstart = '';
                   2215:     my $currsecs = '';
                   2216:     my $currxlists = '';
                   2217:     my $warning = '';
                   2218:     my $curradds = '';
                   2219:     my $currdrops = '';
                   2220:     if ( defined($settings{'internal.autoadds'}) ) {
                   2221:         $curradds = $settings{'internal.autoadds'};
                   2222:     }
                   2223:     if (defined($settings{'internal.autodrops'}) ) {
                   2224:         $currdrops = $settings{'internal.autodrops'};
                   2225:     }
                   2226:     if ( defined($settings{'internal.autostart'}) ) {
                   2227:         $currstart = $settings{'internal.autostart'};
                   2228:     }
                   2229:     if ( defined($settings{'internal.autoend'}) ) {
                   2230:         $currend = $settings{'internal.autoend'};
                   2231:     }
                   2232:     if ( defined($settings{'internal.sectionnums'}) ) {
                   2233:         $currsecs = $settings{'internal.sectionnums'};
                   2234:     }
                   2235:     if ( defined($settings{'internal.crosslistings'}) ) {
                   2236:         $currxlists = $settings{'internal.crosslistings'}
                   2237:     }
                   2238:     unless ($caller eq 'setdates') {
                   2239:         if ( ($currstart eq '') && ($currend eq '') )  {
                   2240:             $warning = "You <b>must</b> now use <a href='/adm/populate?action=setdates'>Change enrollment dates</a> to set a start date <i>and</i> an end date for the enrollment (or check the 'No end date' checkbox) for the nightly adds process to actually occur.</br></br>";
                   2241:         }
                   2242:     }
                   2243:     unless ( ($caller eq 'sections') || ($caller eq 'crosslist') ) {
                   2244:         if ( ($currsecs eq '') && ($currxlists eq '') ) {
                   2245:             $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/>";
                   2246:         }
                   2247:     }
                   2248:     unless ( $caller eq 'chgsettings') {
                   2249:         if ( (!$curradds) && (!$currdrops) ) {
                   2250:             $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/>.";
                   2251:         }
                   2252:     }
                   2253:     return $warning;
1.1       raeburn  2254: }
                   2255: 
                   2256: sub print_reply () {
                   2257:   my ($r,$response,$caller) = @_;
                   2258:   $r->print("
                   2259:             <br/><table width=\"100%\" border=\"0\" cellpadding=\"2\" cellspacing=\"2\">
                   2260:              <tr>
1.14    ! raeburn  2261:               <td align=\"left\"><b>$caller</b> - result<br/><br/>$response</td>
1.1       raeburn  2262:              </tr>
                   2263:             </table>
                   2264:   ");
                   2265:   return;
                   2266: }
                   2267: 
                   2268: sub setup_date_selectors {
1.14    ! raeburn  2269:     my ($starttime,$endtime,$action) = @_;
1.1       raeburn  2270:     if (! defined($starttime)) {
                   2271:         $starttime = time;
1.14    ! raeburn  2272:         if ($action eq 'setdates') {
        !          2273:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2274:                             '.default_enrollment_start_date'})) {
1.14    ! raeburn  2275:                 $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2276:                                   '.default_enrollment_start_date'};
1.14    ! raeburn  2277:             }
1.1       raeburn  2278:         }
                   2279:     }
                   2280:     if (! defined($endtime)) {
                   2281:         $endtime = time+(6*30*24*60*60); # 6 months from now, approx
1.14    ! raeburn  2282:         if ($action eq 'setdates') {
        !          2283:             if (exists($ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2284:                             '.default_enrollment_end_date'})) {
1.14    ! raeburn  2285:                 $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
1.1       raeburn  2286:                                 '.default_enrollment_end_date'};
1.14    ! raeburn  2287:             }
1.1       raeburn  2288:         }
                   2289:     }
                   2290:     my $startdateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2291:                                                             'startdate',
                   2292:                                                             $starttime);
                   2293:     my $enddateform = &Apache::lonhtmlcommon::date_setter('enter',
                   2294:                                                           'enddate',
                   2295:                                                           $endtime);
                   2296:     return ($startdateform,$enddateform);
                   2297: }
                   2298: 
                   2299: sub get_dates_from_form {
1.14    ! raeburn  2300:     my $startdate;
        !          2301:     my $enddate;
        !          2302:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
        !          2303:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1.1       raeburn  2304:     if ( exists ($ENV{'form.no_end_date'}) ) {
                   2305:         $enddate = 0;
                   2306:     }
                   2307:     return ($startdate,$enddate);
                   2308: }
                   2309: 
                   2310: sub date_setting_table {
1.14    ! raeburn  2311:     my ($starttime,$endtime,$action) = @_;
        !          2312:     my ($startform,$endform) = &setup_date_selectors($starttime,$endtime,$action);
1.1       raeburn  2313:     my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
1.14    ! raeburn  2314:     if (($action eq 'setdates' && defined($endtime) && $endtime == 0) || (($action eq 'setaccess' || $action eq 'updatenow') && ($endtime eq '' || $endtime == 0)) ) {
1.1       raeburn  2315:         $perpetual .= ' checked';
                   2316:     }
                   2317:     $perpetual.= ' />'.' no ending date</nobr>';
                   2318:     my $start_table = '';
                   2319:     $start_table .= "<table>\n";
                   2320:     $start_table .= '<tr><td align="right">Starting Date</td>'.
                   2321:         '<td>'.$startform.'</td>'.
                   2322:         '<td>&nbsp;</td>'."</tr>\n";
                   2323:     $start_table .= "</table>";
                   2324:     my $end_table = '';
                   2325:     $end_table .= "<table>\n";
                   2326:     $end_table .= '<tr><td align="right">Ending Date</td>'.
                   2327:         '<td>'.$endform.'</td>'.
                   2328:         '<td>'.$perpetual.'</td>'."</tr>\n";
                   2329:     $end_table .= "</table>\n";
                   2330:     return ($start_table, $end_table);
                   2331: }
                   2332: 
                   2333: ###################################################################
                   2334: sub handler {
                   2335:     my $r = shift;
                   2336:     if ($r->header_only) {
                   2337:         $r->content_type('text/html');
                   2338:         $r->send_http_header;
                   2339:         return OK;
                   2340:     }
                   2341:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','state']);
                   2342:     #  Needs to be in a course
                   2343:     if (! (($ENV{'request.course.fn'}) &&  (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
                   2344:         # Not in a course, or not allowed to modify parms
                   2345:         $ENV{'user.error.msg'}="/adm/populate:cst:0:0:Cannot drop or add students";
                   2346:         return HTTP_NOT_ACCEPTABLE; 
                   2347:     }
                   2348:     # Start page
                   2349:     $r->content_type('text/html');
                   2350:     $r->send_http_header;
                   2351: 
1.14    ! raeburn  2352:     my @tasks = ("information","chgsettings","setdates","setaccess","notify","crosslist","sections","photos","updatenow","viewclass");
1.1       raeburn  2353:                                                                                  
                   2354:     my %tasklong = (
                   2355:                information => "Task information",
                   2356:                chgsettings => "Automated adds/drops",
                   2357:                setdates => "Change enrollment dates",
1.14    ! raeburn  2358:                setaccess => "Change access dates",
1.1       raeburn  2359:                notify => "Notification of changes",
                   2360:                crosslist => "Change crosslistings",
                   2361:                sections => "Section settings",
                   2362:                photos => "Student photos",
                   2363:                updatenow => "Update roster now",
                   2364:                newcross => "Add crosslistings",
1.14    ! raeburn  2365:                newsections => "Add sections",
        !          2366:                viewclass => "View students and type",
1.1       raeburn  2367:     );
                   2368:                                                                                  
                   2369:     my %tasktitle = (
                   2370:                chgsettings => "Changes to nightly automated enrollments",
                   2371:                setdates => "Changes to first and/or last automated enrollment dates",
1.14    ! raeburn  2372:                setaccess => "Changes to default start and/or end dates for student access",
1.1       raeburn  2373:                notify => "Notification of enrollment changes",
                   2374:                crosslist => "Changes to crosslistings",
                   2375:                sections => "Changes to section settings",
                   2376:                photos => "Automatic import of student photos",
                   2377:                updatenow => "Immediate course roster update",
                   2378:                newcross => "Adding new crosslisted courses",
1.14    ! raeburn  2379:                newsections => "Adding new course sections",
        !          2380:                viewclass => "Viewing class roster and enrollment type"
1.1       raeburn  2381:     );
                   2382: 
                   2383:     my $realm = '';
                   2384:     if ( exists($ENV{'request.course.id'}) ) {
                   2385:         $realm= $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
                   2386:     }
                   2387:     unless ($realm) { $realm='&nbsp;'; }
                   2388:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                   2389:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                   2390:     
                   2391:     #
                   2392:     # Main switch on form.action and form.state, as appropriate
                   2393:     #
                   2394: 
                   2395:     my $action = "information";
                   2396:     if ( exists($ENV{'form.action'}) ) {
                   2397:         $action = $ENV{'form.action'};
                   2398:     }
                   2399:     my $state = "choose";
                   2400: 
                   2401:     if ( exists($ENV{'form.state'}) ) {
                   2402:         $state = $ENV{'form.state'};
                   2403:     }
                   2404: 
                   2405:     if ($action eq "information") {
                   2406:         $r->print(&header()); 
                   2407:     } else {
                   2408:         if ($state eq "choose") {
                   2409:             $r->print(&choose_header());
                   2410:         } else {
                   2411:             if ($action eq "crosslist") {
                   2412:                 if ( exists($ENV{'form.numcross'}) ) {
                   2413:                     if ( $ENV{'form.numcross'} > 0 ) {
                   2414:                         $r->print(&choose_header());
                   2415:                     } else {
                   2416:                         $r->print(&header());
                   2417:                     }
                   2418:                 } else {
                   2419:                     $r->print(&header());
                   2420:                 }
                   2421:             } elsif ($action eq "sections") {
                   2422:                 if ( exists($ENV{'form.numsec'}) ) {
                   2423:                     if ( $ENV{'form.numsec'} > 0 ) {
                   2424:                         $r->print(&choose_header());
                   2425:                     } else {
                   2426:                         $r->print(&header());
                   2427:                     }
                   2428:                 } else {
                   2429:                     $r->print(&header());
                   2430:                 }
                   2431:             } else {
                   2432:                 $r->print(&header());
                   2433:             }
                   2434:         }
                   2435:     }
1.12      raeburn  2436: 
1.1       raeburn  2437:     my $reply = 0;
                   2438:     unless ($state eq "choose") { $reply = 1; }
                   2439: 
                   2440:     &print_mainbox($r,\%tasklong,$realm,$reply);
                   2441:     &print_navmenu($r,\@tasks,\%tasklong);
                   2442:     
                   2443:     if (($state eq "choose") || ($action eq "information")) {
1.13      raeburn  2444:         &print_main_frame($r,$realm,$dom,$crs,\%tasktitle);
1.1       raeburn  2445:     } elsif ($action eq "chgsettings") {
                   2446:         &print_chgsettings_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2447:     } elsif ($action eq "setdates") {
                   2448:         &print_setdates_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14    ! raeburn  2449:     } elsif ($action eq "setaccess") {
        !          2450:         &print_setaccess_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2451:     } elsif ($action eq "notify") {
                   2452:         &print_notify_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2453:     } elsif ($action eq "sections") {
1.13      raeburn  2454:         &print_sections_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2455:     } elsif ($action eq "crosslist") {
1.13      raeburn  2456:         &print_crosslistings_menu($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2457:     } elsif ($action eq "updatenow") {
1.13      raeburn  2458:         &print_update_result($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2459:     } elsif ($action eq "photos") {
                   2460:         &print_photos_response($r,$realm,$dom,$crs,$action,\%tasktitle);
                   2461:     } elsif ($action eq "newcross") {
1.13      raeburn  2462:         &print_crosslistings_response($r,$realm,$dom,$crs,$action,\%tasktitle);    
1.1       raeburn  2463:     } elsif ($action eq "newsections") {
1.13      raeburn  2464:         &print_sections_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.14    ! raeburn  2465:     } elsif ($action eq "viewclass") {
        !          2466:         &print_viewclass_response($r,$realm,$dom,$crs,$action,\%tasktitle);
1.1       raeburn  2467:     }
                   2468:     &print_doc_base($r);  
                   2469:     return OK;
                   2470: }
                   2471: ###################################################################
                   2472: 1;

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