Annotation of loncom/interface/lonmodifycourse.pm, revision 1.26

1.20      albertel    1: # The LearningOnline Network with CAPA
                      2: # automated enrollment course setup handler
                      3: #
1.26    ! raeburn     4: # $Id: lonmodifycourse.pm,v 1.25 2006/05/30 12:46:09 www Exp $
1.20      albertel    5: #
1.3       raeburn     6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.1       raeburn    28: package Apache::lonmodifycourse;
                     29: 
                     30: use strict;
                     31: use Apache::Constants qw(:common :http);
                     32: use Apache::lonnet;
                     33: use Apache::loncommon;
                     34: use Apache::lonlocal;
                     35: use Apache::londropadd;
                     36: use LONCAPA::Enrollment;
                     37: use lib '/home/httpd/lib/perl';
1.25      www        38: use LONCAPA;
1.1       raeburn    39: 
                     40: sub print_course_selection_page {
                     41:     my ($r,$tasklongref) = @_;
1.16      albertel   42:     my $dom = $env{'request.role.domain'};
1.1       raeburn    43:     my %lt=&Apache::lonlocal::texthash(
1.2       raeburn    44:                     'csae' => "Course settings for automated enrollment",
                     45:                     'unst' => "Unlike standard LON-CAPA course parameters, such as course description, feedback addresses, and top level map, which are displayed and/or modified using the 'Course Environment Parameters' screen, settings that control automated enrollment based on classlist data available from your institution's student information system are handled differently.  Automated enrollment settings fall into two groups: (a) settings that can be modified by a Course Coordinator using the Automated Enrollment Manager and (b)  settings that may only be modified by a Domain Coordinator via the 'View/Modify Course settings' menu accessed from this page.", 
                     46:                     'chcs' => "Choose the course for which you wish to view/modify automated enrollment settings from the select box below and click 'Go' to proceed.",
                     47:                     'eaen' =>  "Each entry in the select box contains: <b>course code</b> -- <b>course title</b> ------- <b>course owner</b>, and entries are ordered alphabetically by course code.",
                     48:                     'psac' => "Please select a course",
1.1       raeburn    49:                     'ccrs' => "Choose a course",
                     50:                     'gobt' => "Go"
                     51:     );
                     52:                                                                                       
                     53: # Determine the courses
1.26    ! raeburn    54:     my %courseIDs = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',undef,undef,'.');
1.1       raeburn    55:     &print_header($r,$tasklongref);
                     56:     $r->print(<<ENDBLOCK);
1.2       raeburn    57: <form action="/adm/modifycourse" method="post" name="cmod">
1.3       raeburn    58: <h3>$lt{'csae'}</h3>
1.2       raeburn    59: <p>$lt{'unst'}
1.1       raeburn    60: </p><p>$lt{'chcs'}
1.2       raeburn    61: <br/>$lt{'eaen'}
                     62: </p><p>
1.1       raeburn    63: <b>$lt{'ccrs'}:</b>
                     64: <select name="course">
1.2       raeburn    65:  <option value="0" />$lt{'psac'}
1.1       raeburn    66:  <option value="-1" />---------------------------------------------------
                     67: ENDBLOCK
                     68:     my $iter = 0;
                     69:     my @codes = ();
                     70:     my %courses = (); 
                     71:     foreach my $key (sort keys %courseIDs) {
                     72: # Get current code
                     73:         my $crs;
1.14      raeburn    74:         my ($description,$currcode,$owner);
                     75:         if ($courseIDs{$key} =~ m/^([^:]*):([^:]+)/ ) {
                     76:             $currcode = $2;
                     77:         } elsif ($key =~ m/^($dom)_(\w+)$/) {
1.1       raeburn    78:             $crs = $2;
                     79:             my %settings = &Apache::lonnet::get('environment',['internal.coursecode'],$dom,$crs);
                     80:             if (defined($settings{'internal.coursecode'}) ) {
                     81:                 $currcode = $settings{'internal.coursecode'};
                     82:             }
1.14      raeburn    83:         }
                     84:         if ($currcode eq '') {
1.1       raeburn    85:             $currcode = "___".$iter;
1.14      raeburn    86:                 $iter ++;
1.1       raeburn    87:         }
                     88:         unless (grep/^$currcode$/,@codes) {
                     89:             push @codes,$currcode;
                     90:             @{$courses{$currcode}} = ();
                     91:         }
                     92:         push @{$courses{$currcode}}, $key;
                     93:     }
                     94:     foreach my $code (sort @codes) { 
                     95:         foreach my $item (@{$courses{$code}}) { 
                     96:             my $crs;
                     97:             my $owner;
                     98:             my $ownername;
                     99:             my $description;
                    100:             my $showcode = '';
                    101:             unless ($code =~m/^___\d+$/) {  $showcode = $code; }
                    102:             if ($item =~ m/^($dom)_(\w+)$/) {
                    103:                 $crs = $2;
1.14      raeburn   104:                 if ($courseIDs{$item} =~ /^([^:]*):([^:]*):([^:]*)/) {
1.25      www       105:                     $description = &unescape($1);
                    106:                     $owner = &unescape($3);
1.26    ! raeburn   107:                     if (($owner ne '') && ($owner !~ /^([^:]+):([^:]+)$/)) {
        !           108:                         $owner = $owner.':'.$dom;
        !           109:                     }
1.14      raeburn   110:                 } elsif ($courseIDs{$item} =~ /^([^:]*):([^:]*)$/) {
1.25      www       111:                     $description = &unescape($1);
1.10      raeburn   112:                 } else {   
1.25      www       113:                     $description = &unescape($courseIDs{$item});
1.10      raeburn   114:                 }
1.1       raeburn   115: # Get course owner
1.14      raeburn   116:                 if ($owner eq '') {
                    117:                     my %settings = &Apache::lonnet::get('environment',['internal.courseowner'],$dom,$crs);
                    118:                     if ( defined($settings{'internal.courseowner'}) ) {
                    119:                         $owner = $settings{'internal.courseowner'};
                    120:                     }
                    121:                 }
                    122:                 unless ($owner eq '') {
1.26    ! raeburn   123:                     my ($owneruname,$ownerdom);
        !           124:                     if ($owner =~ /^([^:]+):([^:]+)$/) {
        !           125:                         $owneruname = $1;
        !           126:                         $ownerdom = $2;             
        !           127:                     } else {
        !           128:                         $owneruname = $owner;
        !           129:                         $ownerdom = $dom;
        !           130:                     }
        !           131:                     $ownername = &Apache::loncommon::plainname($owneruname,
        !           132:                                                                $ownerdom);
1.1       raeburn   133:                 }
                    134:                 $r->print("<option value=\"$crs\">$showcode -- $description ---------- $ownername");
                    135:             }
                    136:         }
                    137:     }
                    138:     $r->print("</select>
                    139: &nbsp;
                    140: <input type=\"hidden\" name=\"action\" value=\"display\" />
                    141: <input type=\"button\" onClick=\"this.form.submit()\" value=\"$lt{'gobt'}\" />
                    142: </p>
                    143: </form>");
                    144:     &print_footer($r);
                    145:     return;
                    146: }
                    147: 
                    148: sub print_course_modification_page {
                    149:     my ($r,$tasklongref,$typeref) = @_;
                    150:     my %enrollvar = ();
1.3       raeburn   151:     my $javascript_validations;
                    152:     my $course = '';
1.16      albertel  153:     my $dom = $env{'request.role.domain'};
                    154:     if ( defined($env{'form.course'}) ) {
                    155:         $course = $env{'form.course'};
1.3       raeburn   156:     }
                    157:     my $ok_course = 'ok';
                    158:     if ( ($course == -1) || ($course == '-2') || ($course eq '') ) {
                    159:         $ok_course = 'invalid';
                    160:     } else {
                    161:         $ok_course = &check_course($dom,$course);
                    162:     }
                    163: 
                    164:     unless ($ok_course eq 'ok') {
                    165:         &print_header($r,$tasklongref,'',\$javascript_validations);
                    166:         my $reply = "<br/>".&mt("The LON-CAPA course selected was not a valid course for this domain");
                    167:         $r->print($reply);
                    168:         &print_footer($r);
                    169:         return;
                    170:     }
                    171: 
1.1       raeburn   172:     my @bgcolors=("#eeeeee","#cccccc");
                    173:     my $ownertable;
1.2       raeburn   174:     my %lt=&Apache::lonlocal::texthash(
                    175:             'actv' => "Active",
                    176:             'inac' => "Inactive",
                    177:             'ccor' => "Course Coordinator",
                    178:             'noen' => "No end date",
                    179:             'ownr' => "Owner",
                    180:             'name' => "Name",
1.26    ! raeburn   181:             'unme' => "Username:Domain",
1.2       raeburn   182:             'stus' => "Status",
                    183:             'aecs' => "Automated Enrollment Course Settings",
                    184:             'cose' => "Course settings for LON-CAPA courses that control automated student enrollment based on classlist data available from your institution's student information system fall into two groups: (a) settings that can be modified by a Course Coordinator using the ",
                    185:             'aenm' => "Automated Enrollment Manager",
                    186:             'andb' => " and (b) settings that may only be modified by a Domain Coordinator via this page.",
                    187:             'caes' => 'Current automated enrollment settings',
                    188:             'cour' => "Course settings that control automated enrollment in this LON-CAPA course
                    189: are currently:",
                    190:             'cset' => "Course setting",
                    191:             'valu' => "Current value",
                    192:             'nocc' => "There is currently no course owner set for this course. In addition, no active course coordinators from this LON-CAPA domain were found, so you will not be able assign a course owner.  If you wish to assign a course owner, it is recommended that you use the 'User Roles' screen to add a course coordinator with a LON-CAPA account in this domain to the course.",    
                    193:             'ccus' => "A course coordinator can use the 'Automated Enrollment Manager' to change
                    194: all settings except course code, course owner, and default authentication method for students added to your course (who are also new to the LON-CAPA system at this domain).",
                    195:             'mkch' => "Make changes to course settings set by Domain Coordinator",
                    196:             'ccod' => "Course Code",
                    197:             'ccus' => "The course code is used during automated enrollment to map the internal LON-CAPA course ID for this course to the corresponding course section ID(s) used by the office responsible for providing official class lists for courses at your institution.",
                    198:             'cown' => "Course Owner",
                    199:             'cous' => "The course owner is used in the retrieval of class lists from your institution's student information system when access to class lists data incorporates validation of instructor status.",
                    200:             'tabl' => 'The table below contains a list of active course coordinators in this course, who are from this domain',
                    201:             'usrd' => 'Use the radio buttons to select a different course owner.',
                    202:             'deam' => "Default Authentication method",
                    203:             'deus' => "The default authentication method, and default authentication parameter (domain, initial password or argument) are used when automatic enrollment of students in a course requires addition of new user accounts in your domain, and the class list file contains empty entries for the &lt;authtype&gt; and &lt;autharg&gt; properties for the new student. If you choose 'internally authenticated', and leave the initial password field empty, the automated enrollment process will create a randomized password for each new student account that it adds to your LON-CAPA domain.",
                    204:             'gobt' => "Modify settings",
                    205:     );
                    206: 
1.1       raeburn   207:     my %settings = &Apache::lonnet::dump('environment',$dom,$course);
1.2       raeburn   208:     $enrollvar{'autharg'} = '';
                    209:     $enrollvar{'authtype'} = '';
1.1       raeburn   210:     foreach my $item (keys %settings) {
1.21      albertel  211: 	if ($item =~ m/^internal\.(.+)$/) {
                    212: 	    my $type = $1;
                    213: 
                    214:             if ( ($type eq "autoadds") || ($type eq "autodrops") ) {
1.1       raeburn   215: 	        if ($settings{$item} == 1) {
1.21      albertel  216: 	            $enrollvar{$type} = "ON";
1.1       raeburn   217: 	        } else {
1.21      albertel  218: 	            $enrollvar{$type} = "OFF";
1.1       raeburn   219: 	        }
1.21      albertel  220:             } elsif ( ($type eq "autostart") || ($type eq "autoend") ) {
                    221: 	        if ( ($type eq "autoend") && ($settings{$item} == 0) ) {
                    222: 	            $enrollvar{$type} = $lt{'noen'};
1.1       raeburn   223: 	        } else {
1.21      albertel  224: 	            $enrollvar{$type} = localtime($settings{$item});
1.1       raeburn   225: 	        }
1.22      albertel  226: 	    } elsif ($type eq "sectionums") {
                    227: 		$enrollvar{$type} = $settings{$item};
                    228: 		$enrollvar{$type} =~ s/,/, /g;
1.26    ! raeburn   229:             } elsif ($type eq "authtype" 
1.22      albertel  230: 		     || $type eq "autharg"    || $type eq "coursecode"
                    231: 		     || $type eq "crosslistings") {
1.21      albertel  232: 	        $enrollvar{$type} = $settings{$item};
1.26    ! raeburn   233:             } elsif ($type eq 'courseowner') {
        !           234:                 if ($settings{$item} =~ /^[^:]+:[^:]+$/) {
        !           235:                     $enrollvar{$type} = $settings{$item};
        !           236:                 } else {
        !           237:                     if ($settings{$item} ne '') {
        !           238:                         $enrollvar{$type} = $settings{$item}.':'.$dom;
        !           239:                     }
        !           240:                 }
1.1       raeburn   241:             }
1.9       raeburn   242:         } elsif ($item =~ m/^default_enrollment_(start|end)_date$/) {
1.21      albertel  243: 	    my $type = $1;
                    244:             if ( ($type eq 'end') && ($settings{$item} == 0) ) {
1.9       raeburn   245:                 $enrollvar{$item} = $lt{'noen'};
1.21      albertel  246:             } elsif ( ($type eq 'start') && ($settings{$item} eq '') ) {
1.9       raeburn   247:                 $enrollvar{$item} = 'When enrolled';
                    248:             } else {
                    249:                 $enrollvar{$item} = localtime($settings{$item});
                    250:             }
1.1       raeburn   251:         }
                    252:     }
                    253: 
                    254:     my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$dom,$course);
                    255:     my @local_ccs = ();
                    256:     my %cc_status = ();
                    257:     my %pname = ();
                    258:     my $active_cc;
1.26    ! raeburn   259:     foreach my $person (@coursepersonnel) {
        !           260:         my ($role,$user) = split(/:/,$person,2);
        !           261:         $user =~ s/:$//;
        !           262:         if (($role eq 'cc') && ($user ne ''))  {
        !           263:             if (!grep(/^\Q$user\E$/,@local_ccs)) {
        !           264:                 my ($ccname,$ccdom) = split(/:/,$user);
        !           265:                 $active_cc = 
        !           266:                    &Apache::loncommon::check_user_status($ccdom,$ccname,$dom,
        !           267:                                                          $course,'cc');
1.19      raeburn   268:                 if ($active_cc eq 'active') {
1.26    ! raeburn   269:                     push(@local_ccs,$user);
        !           270:                     $pname{$user} = &Apache::loncommon::plainname($ccname,$ccdom);
        !           271:                     $cc_status{$user} = $lt{'actv'};
1.1       raeburn   272:                 }
                    273:             }
                    274:         }
                    275:     }
1.26    ! raeburn   276:     if ( (!grep(/^$enrollvar{'courseowner'}$/,@local_ccs)) && 
        !           277:              ($enrollvar{'courseowner'} ne '') )  {
        !           278:         my ($owneruname,$ownerdom) = split(/:/,$enrollvar{'courseowner'});
        !           279:         push(@local_ccs,$enrollvar{'courseowner'});
        !           280:         $pname{$enrollvar{'courseowner'}} = 
        !           281:                          &Apache::loncommon::plainname($owneruname,$ownerdom);
        !           282:         $active_cc = &Apache::loncommon::check_user_status($ownerdom,$owneruname,
        !           283:                                                            $dom,$course,'cc');
1.19      raeburn   284:         if ($active_cc eq 'active') {
1.2       raeburn   285:             $cc_status{$enrollvar{'courseowner'}} = $lt{'actv'};
1.1       raeburn   286:         } else {
1.2       raeburn   287:             $cc_status{$enrollvar{'courseowner'}} = $lt{'inac'};
1.1       raeburn   288:         }
                    289:     }
                    290:     my $numlocalcc = @local_ccs;
1.24      albertel  291: 
1.2       raeburn   292:     my $helplink=&Apache::loncommon::help_open_topic('Modify_Course',&mt("Help on Modifying Courses"));
1.13      raeburn   293:     my ($krbdef,$krbdefdom)=&Apache::loncommon::get_kerberos_defaults($dom);
1.2       raeburn   294:     my $curr_authtype = '';
                    295:     my $curr_authfield = '';
                    296:     if ($enrollvar{'authtype'} =~ /^krb/) {
                    297:         $curr_authtype = 'krb';
                    298:     } elsif ($enrollvar{'authtype'} eq 'internal' ) {
                    299:         $curr_authtype = 'int';
                    300:     } elsif ($enrollvar{'authtype'} eq 'localauth' ) {
                    301:         $curr_authtype = 'loc';
                    302:     }
                    303:     unless ($curr_authtype eq '') {
                    304:         $curr_authfield = $curr_authtype.'arg';
                    305:     } 
1.3       raeburn   306:     $javascript_validations=&Apache::londropadd::javascript_validations('modifycourse',$krbdefdom,$curr_authtype,$curr_authfield);
1.2       raeburn   307:     my %param = ( formname => 'document.cmod',
1.1       raeburn   308: 	   kerb_def_dom => $krbdefdom,
1.2       raeburn   309: 	   kerb_def_auth => $krbdef,
                    310:            mode => 'modifycourse',
                    311:            curr_authtype => $curr_authtype,
                    312:            curr_autharg => $enrollvar{'autharg'} 
1.1       raeburn   313: 	);
                    314:     my $krbform = &Apache::loncommon::authform_kerberos(%param);
                    315:     my $intform = &Apache::loncommon::authform_internal(%param);
                    316:     my $locform = &Apache::loncommon::authform_local(%param);
                    317: 
                    318:     my $disp_table = qq|<table border="0" cellpadding="0" cellspacing="0">
                    319:                 <tr>
                    320:                  <td width="100%" bgcolor="#000000">
                    321:                   <table width="100%" border="0" cellpadding="1" cellspacing="0">
                    322:                    <tr>
                    323:                     <td width="100%" bgcolor="#000000">
                    324:                      <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
                    325:                       <tr bgcolor="#CCCC99" align="center">
                    326: 	               <td><b>$lt{'cset'}</b></td>
                    327: 	               <td><b>$lt{'valu'}</b></td>
                    328: 	              </tr>
                    329:     |;
                    330:     my $iter = 0;
                    331:     foreach my $key (sort keys %enrollvar) {
                    332:         my $colflag = $iter%2;
                    333:         $disp_table .= "<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">
                    334: 		 <td>$$typeref{$key}</td>
                    335: 		 <td>$enrollvar{$key}</td>
                    336: 		</tr>";
1.6       raeburn   337:         $iter ++;
1.1       raeburn   338:     }
                    339:     $disp_table .= "</table>
                    340:                    </td>
                    341:                   </tr>
                    342:                  </table>
                    343:                 </td>
                    344:                </tr>
                    345:               </table>";
                    346: 
                    347:     if ($numlocalcc == 0) {
1.2       raeburn   348:         $ownertable = $lt{'nocc'};
1.1       raeburn   349:     }
1.2       raeburn   350: 
1.1       raeburn   351:     if ($numlocalcc > 0) {
                    352:         @local_ccs = sort @local_ccs;
                    353:         $ownertable = qq(
                    354:             <input type="hidden" name="numlocalcc" value="$numlocalcc" />
                    355:             <table>
                    356:              <tr>
                    357:                <td>$lt{'tabl'} ($dom). $lt{'usrd'}
                    358:               </td>
                    359:              </tr>
                    360:              <tr><td>&nbsp;</td></tr>
                    361:              <tr>
                    362:               <td>
                    363:                <table border="0" cellpadding="0" cellspacing="0">
                    364:                 <tr>
                    365:                  <td width="100%" bgcolor="#000000">
                    366:                   <table width="100%" border="0" cellpadding="1" cellspacing="0">
                    367:                    <tr>
                    368:                     <td width="100%" bgcolor="#000000">
                    369:                      <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
                    370:                       <tr bgcolor="#CCCC99" align="center">
1.2       raeburn   371:                        <td><b>$lt{'ownr'}</b></td>
                    372:                        <td><b>$lt{'name'}</b></td>
                    373:                        <td><b>$lt{'unme'}</b></td>
                    374:                        <td><b>$lt{'stus'}</b></td>
1.1       raeburn   375:                       </tr>
                    376:         );
                    377:         for (my $i=0; $i<@local_ccs; $i++) {
                    378:             my $colflag = $i%2;
                    379:             $ownertable .= "<tr bgcolor=\"$bgcolors[$colflag]\" align=\"left\">";
                    380:             if ($local_ccs[$i] eq $enrollvar{'courseowner'}) {
1.26    ! raeburn   381:                   $ownertable .= "<td><input type=\"radio\" name=\"courseowner\" value=\"$local_ccs[$i]\" checked=\"checked\" /></td>";
1.1       raeburn   382:             } else {
1.14      raeburn   383:                 $ownertable .= "<td><input type=\"radio\" name=\"courseowner\" value=\"$local_ccs[$i]\" /></td>";
1.1       raeburn   384:             }
                    385:             $ownertable .= "
                    386:                  <td>$pname{$local_ccs[$i]}</td>
1.14      raeburn   387:                  <td>$local_ccs[$i]</td>
1.2       raeburn   388:                  <td>$cc_status{$local_ccs[$i]} $lt{'ccor'}</td></tr>";
1.1       raeburn   389:         }
                    390:         $ownertable .= "</table>
                    391:                     </td>
                    392:                    </tr>
                    393:                   </table>
                    394:                  </td>
                    395:                 </tr>
                    396:                </table>
                    397:               </td>
                    398:              </tr>
                    399:             </table>";
                    400:     }
                    401:     &print_header($r,$tasklongref,$settings{'description'},\$javascript_validations);
                    402:     $r->print(<<ENDDOCUMENT);
                    403: <form action="/adm/modifycourse" method="post" name="cmod">
1.3       raeburn   404: <h3>$lt{'aecs'}</h3>
1.1       raeburn   405: $lt{'cose'}<a href="/adm/populate">$lt{'aenm'}</a>$lt{'andb'}
                    406: <p>
                    407: <table width="100%" cellspacing="0" cellpadding="0">
                    408:  <tr>
                    409:   <td bgcolor="#CCCC99">&nbsp;</td>
                    410:   <td align="left" bgcolor="#CCCC99"><h3>$lt{'caes'}</h3></td>
                    411:  </tr>
                    412: </table>
                    413: <p>
                    414: $lt{'cour'}
                    415: </p><p>
                    416: $disp_table
                    417: <br/<br/>
                    418: </p><p>
                    419: 
                    420: <table width="100%" cellspacing="0" cellpadding="0">
                    421:  <tr>
                    422:   <td bgcolor="#CCCC99">&nbsp;</td>
                    423:   <td align="left" bgcolor="#CCCC99">
                    424:    <h3>$lt{'mkch'}</h3>
                    425:   </td>
                    426:  </tr>
                    427: </table>
                    428: </p><p>
1.2       raeburn   429: <table width="100%" cellspacing="6" cellpadding="6">
                    430:  <tr>
                    431:   <td colspan="2">Use the appropriate text boxes and radio buttons below to change some or all of the four automated enrollment settings that may only be changed by a Domain Coordinator. Click the <b>"$lt{'gobt'}"</b> button to save your changes.</td>
                    432:  </tr>
1.1       raeburn   433:  <tr>
                    434:   <td width="50%" valign="top">
1.2       raeburn   435:    <b>$lt{'ccod'}:</b>&nbsp;&nbsp;
1.1       raeburn   436:     <input type="text" size="10" name="coursecode" value="$enrollvar{'coursecode'}"/><br/><br/>
                    437:     $lt{'ccus'}
                    438:   </td>
                    439:   <td width="50%" valign="top" rowspan="2">
1.2       raeburn   440:    <b>$lt{'cown'}:</b><br/><br/>
                    441:    $ownertable
                    442:    <br/><br/>
1.1       raeburn   443:    $lt{'cous'}
                    444:   </td>
                    445:  </tr>
                    446:  <tr>
                    447:   <td width="50%" valign="top">
1.2       raeburn   448:    <b>$lt{'deam'}:</b><br/><br/>
                    449:    $krbform
                    450:    <br/>
                    451:    $intform
                    452:    <br/>
                    453:    $locform
                    454:    <br/>
                    455:    <br/>
1.1       raeburn   456:    $lt{'deus'}.
                    457:    </td>
                    458:    <td width="50%">&nbsp;</td>
                    459:  </tr>
                    460: </table>
                    461: <br/><br/>
                    462: <table width="90%" cellpadding="5" cellspacing="0">
                    463:  <tr>
                    464:   <td align="right">
                    465:    <input type="hidden" name="course" value="$course" />
                    466:    <input type="hidden" name="action" value="process" />
                    467:    <input type="button" onClick="verify_message(this.form)" value="$lt{'gobt'}" />
                    468:   </td>
                    469:  </tr>
                    470: </table>
                    471: </form>
                    472: <br/>
                    473: <br/>
                    474: ENDDOCUMENT
                    475:     &print_footer($r);
1.5       raeburn   476:     return;
1.1       raeburn   477: }
                    478: 
                    479: sub modify_course {
                    480:     my ($r,$tasklongref,$typeref) = @_;
1.16      albertel  481:     my $dom = $env{'user.domain'};
                    482:     my $crs = $env{'form.course'};
1.3       raeburn   483:     unless ( &check_course($dom,$crs) eq 'ok' ) {
                    484:         &print_header($r,$tasklongref);
                    485:         my $reply = "<br/>".&mt("The LON-CAPA course selected was not a valid course for this domain");
                    486:         $r->print($reply);
                    487:         &print_footer($r);
                    488:         return;
                    489:     }
                    490: 
1.2       raeburn   491:     my %settings = &Apache::lonnet::get('environment',['internal.courseowner','internal.coursecode','internal.authtype','internal.autharg','internal.sectionnums','internal.crosslistings','description'],$dom,$crs);
1.1       raeburn   492:     my %currattr = ();
                    493:     my %newattr = ();
                    494:     my %cenv = ();
                    495:     my $response;
                    496:     my $chgresponse;
                    497:     my $nochgresponse;
                    498:     my $warning;
                    499:     my $reply;
                    500:     my @changes = ();
                    501:     my @nochanges = ();
                    502:     my @sections = ();
                    503:     my @xlists = ();
                    504:     my $changecode = 0;
                    505:     my $changeowner = 0;
                    506:     unless ($settings{'internal.sectionnums'} eq'') {
                    507:         if ($settings{'internal.sectionnums'} =~ m/,/) {
                    508:             @sections = split/,/,$settings{'internal.sectionnums'};
                    509:         } else {
                    510:             $sections[0] = $settings{'internal.sectionnums'};
                    511:         }
                    512:     }
                    513:     unless ($settings{'internal.crosslistings'} eq'') {
                    514:         if ($settings{'internal.crosslistings'} =~ m/,/) {
                    515:             @xlists = split/,/,$settings{'internal.crosslistings'};
                    516:         } else {
                    517:             $xlists[0] = $settings{'internal.crosslistings'};
                    518:         }
                    519:     }
                    520: 
                    521:     my @params = ('courseowner','coursecode','authtype','autharg');
                    522:     foreach (@params) {
                    523:         my $attr = 'internal.'.$_;
                    524:         $currattr{$_} = $settings{$attr};
                    525:     }
                    526: 
                    527:     my $description = $settings{'description'};
                    528:     my %cenv = ();
                    529: 
1.16      albertel  530:     if ($env{'form.login'} eq 'krb') {
                    531:         $newattr{'authtype'} = $env{'form.login'};
                    532:         $newattr{'authtype'} .= $env{'form.krbver'};
                    533:         $newattr{'autharg'} = $env{'form.krbarg'};
                    534:     } elsif ($env{'form.login'} eq 'int') {
1.1       raeburn   535:         $newattr{'authtype'} ='internal';
1.16      albertel  536:         if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
                    537:             $newattr{'autharg'} = $env{'form.intarg'};
1.1       raeburn   538:         }
1.16      albertel  539:     } elsif ($env{'form.login'} eq 'loc') {
1.1       raeburn   540:         $newattr{'authtype'} = 'localauth';
1.16      albertel  541:         if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
                    542:             $newattr{'autharg'} = $env{'form.locarg'};
1.1       raeburn   543:         }
                    544:     }
                    545:     if ( $newattr{'authtype'}=~ /^krb/) {
                    546:         if ($newattr{'autharg'}  eq '') {
1.2       raeburn   547:             $warning = qq(<font color="red" size="+1">).
                    548: 	    &mt("As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student").qq(</font></p>);
1.1       raeburn   549:         }
                    550:     }
                    551: 
1.16      albertel  552:     if ( exists($env{'form.courseowner'}) ) {
                    553:         $newattr{'courseowner'}=$env{'form.courseowner'};
1.14      raeburn   554:         unless ( $newattr{'courseowner'} eq $currattr{'courseowner'} ) {
                    555:             $changeowner = 1;
1.1       raeburn   556:         } 
                    557:     }
                    558: 													      
1.16      albertel  559:     if ( exists($env{'form.coursecode'}) ) {
                    560:         $newattr{'coursecode'}=$env{'form.coursecode'};
1.1       raeburn   561:         unless ( $newattr{'coursecode'} eq $currattr{'coursecode'} ) {
                    562:             $changecode = 1;
                    563:         }
                    564:     }
1.14      raeburn   565:     if ($changeowner == 1 || $changecode == 1) {
1.25      www       566:         my $courseid_entry = &escape($dom.'_'.$crs).'='.&escape($description).':'.&escape($env{'form.coursecode'}).':'.&escape($env{'form.courseowner'});
1.14      raeburn   567:         &Apache::lonnet::courseidput($dom,$courseid_entry,&Apache::lonnet::homeserver($crs,$dom));
                    568:     }
1.1       raeburn   569: 
                    570:     foreach (@params) {
                    571:         if ($currattr{$_} eq $newattr{$_}) {
                    572:             push @nochanges, $_;
                    573:         } else {
                    574:             my $attr = 'internal.'.$_;
                    575:             $cenv{$attr} = $newattr{$_};
                    576:             push @changes, $_;
                    577:         }
                    578:     }
                    579: 
                    580:     if (@changes > 0) {
1.2       raeburn   581:         $chgresponse = &mt("The following automated enrollment parameters have been changed:<br/><ul>");
1.1       raeburn   582:     }
                    583:     if (@nochanges > 0) { 
1.2       raeburn   584:         $nochgresponse = &mt("The following automated enrollment parameters remain unchanged:<br/><ul>");
1.1       raeburn   585:     }
                    586:     if (@changes > 0) { 
                    587:         my $putreply = &Apache::lonnet::put('environment',\%cenv,$dom,$crs);
                    588:         if ($putreply !~ /^ok$/) {
1.2       raeburn   589:             $response = &mt("There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>");
1.1       raeburn   590:         } else {
                    591:             foreach my $attr (@params) {
                    592:                 if (grep/^$attr$/,@changes) {
1.2       raeburn   593: 	            $chgresponse .= "<li>$$typeref{$attr} ".&mt("now set to \"").$newattr{$attr}."\".</li>";
1.1       raeburn   594:                 } else {
1.2       raeburn   595: 	            $nochgresponse .= "<li>$$typeref{$attr} ".&mt("still set to \"").$currattr{$attr}."\".</li>";
1.1       raeburn   596:                 }
                    597:             }
                    598:             if ($changecode || $changeowner) {
                    599:                 if ( $newattr{'courseowner'} eq '') {
1.2       raeburn   600: 	            $warning .= &mt("There is no owner associated with this LON-CAPA course.  If automated enrollment in LON-CAPA courses at your institution requires validation of course owners, automated enrollment will fail for this course.<br/>");
1.1       raeburn   601:                 } else {
                    602: 	            if (@sections > 0) {
1.2       raeburn   603:                         if ($changecode) {
                    604: 	                    foreach my $sec (@sections) {
                    605: 		                if ($sec =~ m/^(.+):/) {
1.8       raeburn   606: 		                    my $inst_course_id = $newattr{'coursecode'}.$1;
                    607:                                     my $course_check = &Apache::lonnet::auto_validate_courseID($crs,$dom,$inst_course_id);
1.7       raeburn   608: 			            if ($course_check eq 'ok') {
1.8       raeburn   609:                                         my $outcome = &Apache::lonnet::auto_new_course($crs,$dom,$inst_course_id,$newattr{'courseowner'});
1.1       raeburn   610: 			                unless ($outcome eq 'ok') { 
1.2       raeburn   611: 				            $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $outcome.<br/>");
1.1       raeburn   612: 			                }
                    613: 			            } else {
1.2       raeburn   614: 			                $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $course_check.<br/>");
1.1       raeburn   615: 			            }
                    616: 		                } else {
1.2       raeburn   617: 			            $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $sec because this is not a valid section entry.<br/>");
1.1       raeburn   618: 		                }
                    619: 		            }
1.4       raeburn   620: 	                } elsif ($changeowner) {
                    621:                             foreach my $sec (@sections) {
                    622:                                 if ($sec =~ m/^(.+):/) {
1.8       raeburn   623:                                     my $inst_course_id = $newattr{'coursecode'}.$1;
                    624:                                     my $outcome = &Apache::lonnet::auto_new_course($crs,$dom,$inst_course_id,$newattr{'courseowner'});
1.4       raeburn   625:                                     unless ($outcome eq 'ok') {
                    626:                                         $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $outcome.<br/>");
                    627:                                     }
                    628:                                 } else {
                    629:                                     $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $sec because this is not a valid section entry.<br/>");
                    630:                                 }
                    631:                             }
                    632:                         }
1.1       raeburn   633: 	            } else {
1.2       raeburn   634: 	                $warning .= &mt("As no section numbers are currently listed for LON-CAPA course: ").$description.&mt(", automated enrollment will not occur for any sections of coursecode: ").$newattr{'coursecode'}."<br/>";
1.1       raeburn   635: 	            }
                    636: 	            if ( (@xlists > 0) && ($changeowner) ) {
                    637: 	                foreach my $xlist (@xlists) {
                    638: 		            if ($xlist =~ m/^(.+):/) {
1.8       raeburn   639:                                 my $outcome = &Apache::lonnet::auto_new_course($crs,$dom,$1,$newattr{'courseowner'});
1.1       raeburn   640: 		                unless ($outcome eq 'ok') {
1.2       raeburn   641: 			            $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for crosslisted class: ").$1.&mt(" for the following reason: $outcome.<br/>");
1.1       raeburn   642: 		                }
                    643: 		            } 
                    644: 	                }
                    645: 	            }
                    646:                 }
                    647:             }
                    648:         }
1.2       raeburn   649:     } else {
                    650:         foreach my $attr (@params) {
1.8       raeburn   651:             $nochgresponse .= "<li>$$typeref{$attr} ".&mt("still set to")." \"".$currattr{$attr}."\".</li>";
1.2       raeburn   652:         }
1.1       raeburn   653:     }
                    654: 
1.2       raeburn   655: 
1.1       raeburn   656:     if (@changes > 0) {
                    657:         $chgresponse .= "</ul><br/><br/>";
                    658:     }
                    659:     if (@nochanges > 0) {
                    660:         $nochgresponse .=  "</ul><br/><br/>";
                    661:     }
                    662:     unless ($warning eq '') {
1.2       raeburn   663:         $warning = &mt("The following warning messages were generated as a result of applying the changes you specified to course settings that can affect the automated enrollment process:<br/><br/>").$warning;
1.1       raeburn   664:     }
                    665:     if ($response eq '') {
                    666:         $reply = $chgresponse.$nochgresponse.$warning;
                    667:     } else {
                    668:         $reply = $response;
                    669:     }
                    670:     &print_header($r,$tasklongref,$description);
1.3       raeburn   671:     $reply = "<h3>".&mt("Automated Enrollment Course Settings")."</h3><table><tr><td>".$reply."</td></tr></table>";
                    672:     $r->print($reply);
1.1       raeburn   673:     &print_footer($r);
                    674:     return; 
                    675: }
                    676: 
                    677: sub print_header {
                    678:     my ($r,$tasklongref,$description,$javascriptref) = @_;
1.2       raeburn   679:     my %lt =&Apache::lonlocal::texthash(
1.1       raeburn   680:              'chco' => 'Choose a course',
                    681:              'main' => 'Main Menu',
                    682:              'comg' => 'Course Manager',
                    683:              );
                    684:     my $action = "start";
1.16      albertel  685:     if ( exists($env{'form.action'}) ) {
                    686:         $action = $env{'form.action'};
1.1       raeburn   687:     }
                    688:     if ( ($description eq '') || (!defined($description)) ) {
                    689:         $description = $lt{'comg'};
                    690:     }
                    691:     my $page = '';
1.24      albertel  692: 
1.1       raeburn   693:     if ($action eq 'start') {  
                    694:         $page = "<b>$lt{'chco'}</b>";
                    695:     } else {
                    696:         $page =  '<a href="/adm/modifycourse">'.$lt{'chco'}.'</a>';
                    697:         if ( $action eq 'process' ) {
1.16      albertel  698:             my $course = $env{'form.course'};
1.1       raeburn   699:             $page .= "-&gt; <a href=\"/adm/modifycourse?action=display&course=$course\">".$$tasklongref{'display'}."</a> -&gt; <b>$$tasklongref{$action}</b> ";
                    700:         } else {
                    701:             $page .=  " -&gt; <b>".$$tasklongref{$action}."</b>";
                    702:         }
                    703:     }
1.24      albertel  704: 
1.23      albertel  705:     my $js;
1.1       raeburn   706:     if ($action eq 'display') {
1.23      albertel  707: 	$js = '<script  type="text/javascript">
                    708:                   '.$$javascriptref.'
                    709:                </script>';
1.1       raeburn   710:     }
1.23      albertel  711:     $r->print(&Apache::loncommon::start_page('View/Modify Course Settings',
                    712: 					     $js));
1.1       raeburn   713:     $r->print(<<ENDTHIS);
                    714: <table width="100%" border="0" cellpadding="0" cellspacing="0">
                    715:  <tr>
                    716:   <td bgcolor="#CCCC99">
                    717:    <font size="2"><a href="/adm/menu">$lt{'main'}</a> -&gt; $page</font><br/>
                    718:   </td>
                    719:   <td align="right" bgcolor="#CCCC99" valign="top">
                    720:    <font size="+1">$description &nbsp;</font>
                    721:   </td>
                    722:  </tr>
                    723: </table>
                    724: ENDTHIS
1.5       raeburn   725:     return;
1.1       raeburn   726: }
                    727: 
                    728: sub print_footer {
1.23      albertel  729:     my ($r) = @_;
                    730:     $r->print('<br />'.&Apache::loncommon::end_page());
1.5       raeburn   731:     return;
1.3       raeburn   732: }
                    733: 
                    734: sub check_course {
                    735:     my ($dom,$course) = @_;
1.26    ! raeburn   736:     my %courseIDs = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',undef,undef,'.');
1.3       raeburn   737:     foreach my $key (sort keys %courseIDs) {
                    738:         if ($key =~ m/^($dom)_(\w+)$/) {
1.5       raeburn   739:             if ($2 eq $course) {
                    740:                 return 'ok';
                    741:             }
1.3       raeburn   742:         }
                    743:     }
1.5       raeburn   744:     return 'invalid course';
1.1       raeburn   745: }
                    746: 
                    747: 
                    748: sub handler {
                    749:     my $r = shift;
                    750:     if ($r->header_only) {
                    751:         &Apache::loncommon::content_type($r,'text/html');
                    752:         $r->send_http_header;
                    753:         return OK;
                    754:     }
                    755:                                                                                   
1.16      albertel  756:     if (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'})) {
1.1       raeburn   757:         &Apache::loncommon::content_type($r,'text/html');
                    758:         $r->send_http_header;
                    759: 
                    760:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','course']);
1.16      albertel  761:         my $dom = $env{'user.domain'};
1.2       raeburn   762:         my %longtype=&Apache::lonlocal::texthash(
1.1       raeburn   763:                        'authtype' => 'Default authentication method',
                    764:                        'autharg'  => 'Default authentication parameter',
                    765:                        'autoadds' => 'Automated adds',
                    766:                        'autodrops' => 'Automated drops',
1.9       raeburn   767:                        'autostart' => 'Date of first automated enrollment',
                    768:                        'autoend' => 'Date of last automated enrollment',
                    769:                        'default_enrollment_start_date' => 'Date of first student access',
                    770:                        'default_enrollment_end_date' => 'Date of last student access',
1.1       raeburn   771:                        'coursecode' => 'Official course code',
1.26    ! raeburn   772:                        'courseowner' => "Username:domain of course owner",
1.1       raeburn   773:                        'notifylist' => 'Course Coordinators to be notified of enrollment changes',
                    774:                        'sectionnums' => 'Course section number(:groupID)',
                    775:                        'crosslistings' => 'Crosslisted class(:groupID)',
                    776:                       );
                    777: 
1.2       raeburn   778:         my %tasklong = &Apache::lonlocal::texthash(
1.1       raeburn   779:                         'display' => 'View/modify settings',
                    780:                         'process'  => 'Results of changes',
                    781:                        );
                    782:                                                                                   
1.16      albertel  783:         if ($env{'form.action'} eq 'process') {
1.1       raeburn   784:             &modify_course($r,\%tasklong,\%longtype);
1.16      albertel  785:         } elsif ($env{'form.action'} eq 'display')  {
1.1       raeburn   786:             &print_course_modification_page($r,\%tasklong,\%longtype);
                    787:         } else {
                    788:             &print_course_selection_page($r,\%tasklong);
                    789:         }
                    790:     } else {
1.16      albertel  791:         $env{'user.error.msg'}=
1.2       raeburn   792:         "/adm/modifycourse:ccc:0:0:Cannot modify course settings";
1.1       raeburn   793:         return HTTP_NOT_ACCEPTABLE;
                    794:     }
                    795:     return OK;
                    796: }
                    797: 
                    798: 1;
                    799: __END__

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