Annotation of loncom/interface/lonmodifycourse.pm, revision 1.33
1.20 albertel 1: # The LearningOnline Network with CAPA
1.28 raeburn 2: # handler for DC-only modifiable course settings
1.20 albertel 3: #
1.33 ! raeburn 4: # $Id: lonmodifycourse.pm,v 1.32 2007/09/24 23:29:53 raeburn 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;
1.28 raeburn 34: use Apache::lonhtmlcommon;
1.1 raeburn 35: use Apache::lonlocal;
36: use Apache::londropadd;
1.28 raeburn 37: use Apache::lonpickcourse;
1.1 raeburn 38: use LONCAPA::Enrollment;
39: use lib '/home/httpd/lib/perl';
1.25 www 40: use LONCAPA;
1.1 raeburn 41:
1.28 raeburn 42: sub get_dc_settable {
43: return ('courseowner','coursecode','authtype','autharg');
44: }
45:
46: sub get_enrollment_settings {
47: my ($cdom,$cnum) = @_;
48: my %settings = &Apache::lonnet::dump('environment',$cdom,$cnum);
49: my %enrollvar;
50: $enrollvar{'autharg'} = '';
51: $enrollvar{'authtype'} = '';
1.1 raeburn 52: my %lt=&Apache::lonlocal::texthash(
1.28 raeburn 53: 'noen' => "No end date",
1.1 raeburn 54: );
1.28 raeburn 55: foreach my $item (keys %settings) {
56: if ($item =~ m/^internal\.(.+)$/) {
57: my $type = $1;
58: if ( ($type eq "autoadds") || ($type eq "autodrops") ) {
59: if ($settings{$item} == 1) {
60: $enrollvar{$type} = "ON";
61: } else {
62: $enrollvar{$type} = "OFF";
1.10 raeburn 63: }
1.28 raeburn 64: } elsif ( ($type eq "autostart") || ($type eq "autoend") ) {
65: if ( ($type eq "autoend") && ($settings{$item} == 0) ) {
66: $enrollvar{$type} = $lt{'noen'};
67: } else {
68: $enrollvar{$type} = localtime($settings{$item});
1.14 raeburn 69: }
1.30 raeburn 70: } elsif ($type eq "sectionnums") {
1.28 raeburn 71: $enrollvar{$type} = $settings{$item};
72: $enrollvar{$type} =~ s/,/, /g;
73: } elsif ($type eq "authtype"
74: || $type eq "autharg" || $type eq "coursecode"
75: || $type eq "crosslistings") {
76: $enrollvar{$type} = $settings{$item};
77: } elsif ($type eq 'courseowner') {
78: if ($settings{$item} =~ /^[^:]+:[^:]+$/) {
79: $enrollvar{$type} = $settings{$item};
80: } else {
81: if ($settings{$item} ne '') {
82: $enrollvar{$type} = $settings{$item}.':'.$cdom;
1.26 raeburn 83: }
1.1 raeburn 84: }
1.28 raeburn 85: }
86: } elsif ($item =~ m/^default_enrollment_(start|end)_date$/) {
87: my $type = $1;
88: if ( ($type eq 'end') && ($settings{$item} == 0) ) {
89: $enrollvar{$item} = $lt{'noen'};
90: } elsif ( ($type eq 'start') && ($settings{$item} eq '') ) {
91: $enrollvar{$item} = 'When enrolled';
92: } else {
93: $enrollvar{$item} = localtime($settings{$item});
1.1 raeburn 94: }
95: }
96: }
1.28 raeburn 97: return %enrollvar;
98: }
99:
100: sub print_course_search_page {
101: my ($r,$dom,$domdesc) = @_;
102: &print_header($r);
103: my $filterlist = ['descriptfilter',
104: 'instcodefilter','ownerfilter',
105: 'ownerdomfilter','coursefilter'];
106: my $filter = {};
107: my $type = 'Course';
108: my $action = '/adm/modifycourse';
109: my $cctitle = &Apache::lonnet::plaintext('cc',$type);
110: my $dctitle = &Apache::lonnet::plaintext('dc');
111: my %lt=&Apache::lonlocal::texthash(
112: 'some' => "Certain settings which control auto-enrollment of students from your institution's student information system.",
113: 'crqo' => 'The total disk space allocated for storage of portfolio files in all groups in a course.',
114: 'tmod' => 'To view or modify these settings use the criteria below to select a course from this domain.',
115: );
116: $r->print('<h3>'.
117: &mt('Course settings which only a [_1] may modify.'
118: ,$dctitle).'</h3>'.
119: &mt('Although almost all course settings can be modified by a [_1], a number of settings exist which only a [_2] may change:',$cctitle,$dctitle).'
120: <ul>
121: <li>'.$lt{'some'}.'</li>
122: <li>'.$lt{'crqo'}.'</li>
123: </ul>'.
124: $lt{'tmod'}.' ('.$domdesc.')
125: <br /><br />
126: ');
127: $r->print(&Apache::lonpickcourse::build_filters($filterlist,$type,
128: undef,undef,$filter,$action,'modifycourse'));
129: }
130:
131: sub print_course_selection_page {
132: my ($r,$dom,$domdesc) = @_;
133: &print_header($r);
134:
135: # Criteria for course search
136: my $filterlist = ['descriptfilter',
137: 'instcodefilter','ownerfilter',
138: 'ownerdomfilter','coursefilter'];
139: my %filter;
140: my $type = $env{'form.type'};
1.29 raeburn 141: if ($type eq '') {
142: $type = 'Course';
143: }
1.28 raeburn 144: my $action = '/adm/modifycourse';
145: my $dctitle = &Apache::lonnet::plaintext('dc');
146: $r->print(&mt('Revise your search criteria for this domain').' ('.$domdesc.').<br /><br />');
147: $r->print(&Apache::lonpickcourse::build_filters($filterlist,$type,
148: undef,undef,\%filter,$action));
149: $filter{'domainfilter'} = $dom;
150: my %courses = &Apache::lonpickcourse::search_courses($r,$type,0,
151: \%filter);
152: if (keys(%courses) > 0) {
153: $r->print(&mt("Click a 'Select' button to view or modify settings for a [_1] which may only be modified by a [_2] in this domain.",lc($type),$dctitle).'<br /><br />');
154: }
155:
156: &Apache::lonpickcourse::display_matched_courses($r,$type,0,$action,
157: %courses);
1.1 raeburn 158: return;
159: }
160:
1.28 raeburn 161: sub print_modification_menu {
162: my ($r,$cdesc) = @_;
163: &print_header($r,$cdesc);
164: my @menu =
165: (
166: { text => 'Modify quota for group portfolio files',
167: phase => 'setquota',
168: },
169: { text => 'Display current settings for automated enrollment',
170: phase => 'viewparms',
171: },
172: { text => 'Modify institutional code, course owner and/or default authentication',
173: phase => 'setparms',
174: }
175: );
176: my $menu_html = '<h3>'.&mt('View/Modify settings for: ').$cdesc.'</h3>'."\n".
177: '<form name="menu" method="post" action="/adm/modifycourse" />'."\n".
178: &hidden_form_elements();
179: foreach my $menu_item (@menu) {
180: $menu_html.='<p>';
181: $menu_html.='<font size="+1">';
182: $menu_html.=
183: qq|<a href="javascript:changePage(document.menu,'$menu_item->{'phase'}')">|;
184: $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
185: $menu_html.='</p>';
1.3 raeburn 186: }
1.28 raeburn 187:
188: $r->print($menu_html);
189: return;
190: }
191:
192: sub print_settings_display {
193: my ($r,$cdom,$cnum,$cdesc,$type) = @_;
194: my %enrollvar = &get_enrollment_settings($cdom,$cnum);
195: my %longtype = &course_settings_descrip();
196: my %lt = &Apache::lonlocal::texthash(
197: 'cset' => "Course setting",
198: 'valu' => "Current value",
199: 'caes' => 'Current automated enrollment settings for ',
200: 'cour' => "Course settings that control automated enrollment in this LON-CAPA course are currently:",
201: 'cose' => "Course settings for LON-CAPA courses that control auto-enrollment based on classlist data available from your institution's student information system fall into two groups:",
202: 'dcon' => "Modifiable by DC only",
203: 'back' => "Back to options page",
204: );
205:
206: my @bgcolors = ('#eeeeee','#cccccc');
207: my $cctitle = &Apache::lonnet::plaintext('cc',$type);
208: my $dctitle = &Apache::lonnet::plaintext('dc');
209: my @modifiable_params = &get_dc_settable();
210:
211: my $disp_table = &Apache::loncommon::start_data_table()."\n".
212: &Apache::loncommon::start_data_table_header_row()."\n".
213: "<th>$lt{'cset'}</th>\n".
214: "<th>$lt{'valu'}</th>\n".
215: "<th>$lt{'dcon'}</th>\n".
216: &Apache::loncommon::end_data_table_header_row()."\n";
217: foreach my $key (sort(keys(%enrollvar))) {
218: $disp_table .= &Apache::loncommon::start_data_table_row()."\n".
219: "<td>$longtype{$key}</td>\n".
220: "<td>$enrollvar{$key}</td>\n";
221: if (grep(/^\Q$key\E$/,@modifiable_params)) {
222: $disp_table .= '<td>'.&mt('Yes').'</td>'."\n";
223: } else {
224: $disp_table .= '<td>'.&mt('No').'</td>'."\n";
225: }
226: $disp_table .= &Apache::loncommon::end_data_table_row()."\n";
1.3 raeburn 227: }
1.28 raeburn 228: $disp_table .= &Apache::loncommon::end_data_table()."\n";
229: &print_header($r,$cdesc);
230: $r->print('
231: <h3>'.$lt{'caes'}.'</h3>
232: <p>
233: <form action="/adm/modifycourse" method="post" name="viewparms">
234: '.$lt{'cose'}.'<ul><li>'.&mt('Settings that can be modified by a [_1] using the <a href="/adm/populate">Automated Enrollment Manager</a>.',$cctitle).'</li><li>'.&mt('Settings that may only be modified by a [_1] from this menu.',$dctitle).'</li></ul>
235: </p><p>
236: '.$lt{'cour'}.'
237: </p><p>
238: '.$disp_table.'
239: </p><p>
240: <a href="javascript:changePage(document.viewparms,'."'menu'".')">'.$lt{'back'}.'</a>
241: <a href="javascript:changePage(document.viewparms,'."'setparms'".')">'.&mt('Modify [_1]-only settings',$dctitle).'</a>'."\n".
242: &hidden_form_elements().
243: '</form>');
244: }
1.3 raeburn 245:
1.28 raeburn 246: sub print_setquota {
247: my ($r,$cdom,$cnum,$cdesc,$type) = @_;
248: my $dctitle = &Apache::lonnet::plaintext('dc');
249: my $cctitle = &Apache::lonnet::plaintext('cc',$type);
250: my $subdiv = &mt('Although a [_1] will assign the disk quota for each individual group, the size of the quota is constrained by the total disk space allocated by the [_2] for portfolio files in a course.',$cctitle,$dctitle);
251: my %lt = &Apache::lonlocal::texthash(
252: 'cquo' => 'Disk space for storage of group portfolio files',
253: 'gpqu' => 'Course portfolio files disk space',
254: 'each' => 'Each course group can be assigned a quota for portfolio files uploaded to the group.',
255: 'modi' => 'Modify quota',
256: 'back' => "Back to options page",
257: );
258: my %settings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
259: my $coursequota = $settings{'internal.coursequota'};
260: if ($coursequota eq '') {
261: $coursequota = 20;
1.3 raeburn 262: }
1.28 raeburn 263: &print_header($r,$cdesc);
264: my $hidden_elements = &hidden_form_elements();
265: $r->print(<<ENDDOCUMENT);
266: <form action="/adm/modifycourse" method="post" name="setquota">
267: <h3>$lt{'cquo'}.</h3>
268: <p>
269: $lt{'each'}<br />
270: $subdiv
271: </p><p>
272: $lt{'gpqu'}: <input type="text" size="4" name="coursequota" value="$coursequota" /> Mb
273: <input type="button" onClick="javascript:verify_quota(this.form)" value="$lt{'modi'}" />
274: </p>
275: $hidden_elements
276: <a href="javascript:changePage(document.setquota,'menu')">$lt{'back'}</a>
277: </form>
278: ENDDOCUMENT
279: return;
280: }
1.3 raeburn 281:
1.28 raeburn 282: sub print_course_modification_page {
283: my ($r,$cdom,$cnum,$cdesc,$domdesc) = @_;
284: my %longtype = &course_settings_descrip();
285: my %enrollvar = &get_enrollment_settings($cdom,$cnum);
1.1 raeburn 286: my $ownertable;
1.2 raeburn 287: my %lt=&Apache::lonlocal::texthash(
288: 'actv' => "Active",
289: 'inac' => "Inactive",
290: 'ccor' => "Course Coordinator",
291: 'noen' => "No end date",
292: 'ownr' => "Owner",
293: 'name' => "Name",
1.26 raeburn 294: 'unme' => "Username:Domain",
1.2 raeburn 295: 'stus' => "Status",
1.28 raeburn 296: 'cquo' => "Disk space for storage of group portfolio files",
297: 'gpqu' => "Course portfolio files disk space",
298: 'each' => "Each course group can be assigned a quota for portfolio files uploaded to the group.",
1.2 raeburn 299: '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 ",
300: 'aenm' => "Automated Enrollment Manager",
301: 'andb' => " and (b) settings that may only be modified by a Domain Coordinator via this page.",
302: 'caes' => 'Current automated enrollment settings',
303: 'cour' => "Course settings that control automated enrollment in this LON-CAPA course
304: are currently:",
305: '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.",
306: 'ccus' => "A course coordinator can use the 'Automated Enrollment Manager' to change
307: 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).",
308: 'ccod' => "Course Code",
309: '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.",
310: 'cown' => "Course Owner",
311: '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.",
312: 'tabl' => 'The table below contains a list of active course coordinators in this course, who are from this domain',
313: 'usrd' => 'Use the radio buttons to select a different course owner.',
314: 'deam' => "Default Authentication method",
315: '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 <authtype> and <autharg> 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.",
1.32 raeburn 316: 'gobt' => "Save",
1.2 raeburn 317: );
1.28 raeburn 318: my @bgcolors = ('#eeeeee','#cccccc');
1.2 raeburn 319:
1.28 raeburn 320: my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$cdom,$cnum);
1.1 raeburn 321: my @local_ccs = ();
322: my %cc_status = ();
323: my %pname = ();
324: my $active_cc;
1.26 raeburn 325: foreach my $person (@coursepersonnel) {
326: my ($role,$user) = split(/:/,$person,2);
327: $user =~ s/:$//;
328: if (($role eq 'cc') && ($user ne '')) {
329: if (!grep(/^\Q$user\E$/,@local_ccs)) {
330: my ($ccname,$ccdom) = split(/:/,$user);
331: $active_cc =
1.28 raeburn 332: &Apache::loncommon::check_user_status($ccdom,$ccname,$cdom,
333: $cnum,'cc');
1.19 raeburn 334: if ($active_cc eq 'active') {
1.26 raeburn 335: push(@local_ccs,$user);
336: $pname{$user} = &Apache::loncommon::plainname($ccname,$ccdom);
337: $cc_status{$user} = $lt{'actv'};
1.1 raeburn 338: }
339: }
340: }
341: }
1.26 raeburn 342: if ( (!grep(/^$enrollvar{'courseowner'}$/,@local_ccs)) &&
343: ($enrollvar{'courseowner'} ne '') ) {
344: my ($owneruname,$ownerdom) = split(/:/,$enrollvar{'courseowner'});
345: push(@local_ccs,$enrollvar{'courseowner'});
346: $pname{$enrollvar{'courseowner'}} =
347: &Apache::loncommon::plainname($owneruname,$ownerdom);
348: $active_cc = &Apache::loncommon::check_user_status($ownerdom,$owneruname,
1.28 raeburn 349: $cdom,$cnum,'cc');
1.19 raeburn 350: if ($active_cc eq 'active') {
1.2 raeburn 351: $cc_status{$enrollvar{'courseowner'}} = $lt{'actv'};
1.1 raeburn 352: } else {
1.2 raeburn 353: $cc_status{$enrollvar{'courseowner'}} = $lt{'inac'};
1.1 raeburn 354: }
355: }
356: my $numlocalcc = @local_ccs;
1.24 albertel 357:
1.2 raeburn 358: my $helplink=&Apache::loncommon::help_open_topic('Modify_Course',&mt("Help on Modifying Courses"));
1.28 raeburn 359: my ($krbdef,$krbdefdom)=&Apache::loncommon::get_kerberos_defaults($cdom);
1.2 raeburn 360: my $curr_authtype = '';
361: my $curr_authfield = '';
362: if ($enrollvar{'authtype'} =~ /^krb/) {
363: $curr_authtype = 'krb';
364: } elsif ($enrollvar{'authtype'} eq 'internal' ) {
365: $curr_authtype = 'int';
366: } elsif ($enrollvar{'authtype'} eq 'localauth' ) {
367: $curr_authtype = 'loc';
368: }
369: unless ($curr_authtype eq '') {
370: $curr_authfield = $curr_authtype.'arg';
1.33 ! raeburn 371: }
1.28 raeburn 372: my $javascript_validations=&Apache::londropadd::javascript_validations('modifycourse',$krbdefdom,$curr_authtype,$curr_authfield);
1.2 raeburn 373: my %param = ( formname => 'document.cmod',
1.1 raeburn 374: kerb_def_dom => $krbdefdom,
1.2 raeburn 375: kerb_def_auth => $krbdef,
376: mode => 'modifycourse',
377: curr_authtype => $curr_authtype,
378: curr_autharg => $enrollvar{'autharg'}
1.1 raeburn 379: );
1.32 raeburn 380: my (%authform,$authenitems);
381: $authform{'krb'} = &Apache::loncommon::authform_kerberos(%param);
382: $authform{'int'} = &Apache::loncommon::authform_internal(%param);
383: $authform{'loc'} = &Apache::loncommon::authform_local(%param);
384: foreach my $item ('krb','int','loc') {
385: if ($authform{$item} ne '') {
386: $authenitems .= $authform{$item}.'<br />';
387: }
388: }
1.1 raeburn 389: if ($numlocalcc == 0) {
1.2 raeburn 390: $ownertable = $lt{'nocc'};
1.1 raeburn 391: }
1.2 raeburn 392:
1.1 raeburn 393: if ($numlocalcc > 0) {
394: @local_ccs = sort @local_ccs;
395: $ownertable = qq(
396: <input type="hidden" name="numlocalcc" value="$numlocalcc" />
397: <table>
398: <tr>
1.28 raeburn 399: <td>$lt{'tabl'} - $cdom ($domdesc). $lt{'usrd'}
1.1 raeburn 400: </td>
401: </tr>
402: <tr><td> </td></tr>
403: <tr>
1.28 raeburn 404: <td>).
405: &Apache::loncommon::start_data_table()."\n".
406: &Apache::loncommon::start_data_table_header_row()."\n".
407: "<th>$lt{'ownr'}</th>\n".
408: "<th>$lt{'name'}</th>\n".
409: "<th>$lt{'unme'}</th>\n".
410: "<th>$lt{'stus'}</th>\n".
411: &Apache::loncommon::end_data_table_header_row()."\n";
412: foreach my $cc (@local_ccs) {
413: $ownertable .= &Apache::loncommon::start_data_table_row()."\n";
414: if ($cc eq $enrollvar{'courseowner'}) {
415: $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'" checked="checked" /></td>'."\n";
1.1 raeburn 416: } else {
1.28 raeburn 417: $ownertable .= '<td><input type="radio" name="courseowner" value="'.$cc.'" /></td>'."\n";
1.1 raeburn 418: }
1.28 raeburn 419: $ownertable .=
420: '<td>'.$pname{$cc}.'</td>'."\n".
421: '<td>'.$cc.'</td>'."\n".
422: '<td>'.$cc_status{$cc}.' '.$lt{'ccor'}.'</td>'."\n".
423: &Apache::loncommon::end_data_table_row()."\n";
424: }
425: $ownertable .= &Apache::loncommon::end_data_table()."
1.1 raeburn 426: </td>
427: </tr>
428: </table>";
429: }
1.28 raeburn 430: &print_header($r,$cdesc,$javascript_validations);
431: my $type = $env{'form.type'};
1.29 raeburn 432: if ($type eq '') {
433: $type = 'Course';
434: }
1.28 raeburn 435: my $dctitle = &Apache::lonnet::plaintext('dc');
436: my $cctitle = &Apache::lonnet::plaintext('cc',$type);
437: my $mainheader = &mt('Course settings modifiable by [_1] only.',$dctitle);
438: my $hidden_elements = &hidden_form_elements();
1.1 raeburn 439: $r->print(<<ENDDOCUMENT);
1.33 ! raeburn 440: <form action="/adm/modifycourse" method="post" name="cmod">
1.28 raeburn 441: <h3>$mainheader</h3>
1.1 raeburn 442: </p><p>
1.2 raeburn 443: <table width="100%" cellspacing="6" cellpadding="6">
444: <tr>
1.32 raeburn 445: <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.
1.2 raeburn 446: </tr>
1.1 raeburn 447: <tr>
448: <td width="50%" valign="top">
1.2 raeburn 449: <b>$lt{'ccod'}:</b>
1.1 raeburn 450: <input type="text" size="10" name="coursecode" value="$enrollvar{'coursecode'}"/><br/><br/>
451: $lt{'ccus'}
452: </td>
453: <td width="50%" valign="top" rowspan="2">
1.2 raeburn 454: <b>$lt{'cown'}:</b><br/><br/>
455: $ownertable
456: <br/><br/>
1.1 raeburn 457: $lt{'cous'}
458: </td>
459: </tr>
460: <tr>
461: <td width="50%" valign="top">
1.2 raeburn 462: <b>$lt{'deam'}:</b><br/><br/>
1.32 raeburn 463: $authenitems
1.2 raeburn 464: <br/>
1.1 raeburn 465: $lt{'deus'}.
466: </td>
467: <td width="50%"> </td>
468: </tr>
469: </table>
470: <table width="90%" cellpadding="5" cellspacing="0">
471: <tr>
1.28 raeburn 472: <td align="left">
473: $hidden_elements
474: <input type="button" onClick="javascript:changePage(this.form,'processparms');javascript:verify_message(this.form)" value="$lt{'gobt'}" />
1.1 raeburn 475: </td>
476: </tr>
477: </table>
478: </form>
479: <br/>
480: <br/>
481: ENDDOCUMENT
1.5 raeburn 482: return;
1.1 raeburn 483: }
484:
485: sub modify_course {
1.30 raeburn 486: my ($r,$cdom,$cnum,$cdesc,$domdesc,$type) = @_;
1.28 raeburn 487: my %longtype = &course_settings_descrip();
488: my %settings = &Apache::lonnet::get('environment',['internal.courseowner','internal.coursecode','internal.authtype','internal.autharg','internal.sectionnums','internal.crosslistings','description'],$cdom,$cnum);
1.1 raeburn 489: my %currattr = ();
490: my %newattr = ();
491: my %cenv = ();
492: my $response;
493: my $chgresponse;
494: my $nochgresponse;
495: my $warning;
496: my $reply;
497: my @changes = ();
498: my @nochanges = ();
499: my @sections = ();
500: my @xlists = ();
501: my $changecode = 0;
502: my $changeowner = 0;
1.28 raeburn 503: unless ($settings{'internal.sectionnums'} eq '') {
1.1 raeburn 504: if ($settings{'internal.sectionnums'} =~ m/,/) {
505: @sections = split/,/,$settings{'internal.sectionnums'};
506: } else {
507: $sections[0] = $settings{'internal.sectionnums'};
508: }
509: }
510: unless ($settings{'internal.crosslistings'} eq'') {
511: if ($settings{'internal.crosslistings'} =~ m/,/) {
512: @xlists = split/,/,$settings{'internal.crosslistings'};
513: } else {
514: $xlists[0] = $settings{'internal.crosslistings'};
515: }
516: }
517:
1.28 raeburn 518: my @modifiable_params = &get_dc_settable();
519: foreach my $param (@modifiable_params) {
520: my $attr = 'internal.'.$param;
521: $currattr{$param} = $settings{$attr};
1.1 raeburn 522: }
523:
524: my $description = $settings{'description'};
525: my %cenv = ();
526:
1.16 albertel 527: if ($env{'form.login'} eq 'krb') {
528: $newattr{'authtype'} = $env{'form.login'};
529: $newattr{'authtype'} .= $env{'form.krbver'};
530: $newattr{'autharg'} = $env{'form.krbarg'};
531: } elsif ($env{'form.login'} eq 'int') {
1.1 raeburn 532: $newattr{'authtype'} ='internal';
1.16 albertel 533: if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
534: $newattr{'autharg'} = $env{'form.intarg'};
1.1 raeburn 535: }
1.16 albertel 536: } elsif ($env{'form.login'} eq 'loc') {
1.1 raeburn 537: $newattr{'authtype'} = 'localauth';
1.16 albertel 538: if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
539: $newattr{'autharg'} = $env{'form.locarg'};
1.1 raeburn 540: }
541: }
542: if ( $newattr{'authtype'}=~ /^krb/) {
543: if ($newattr{'autharg'} eq '') {
1.2 raeburn 544: $warning = qq(<font color="red" size="+1">).
545: &mt("As you did not include the default Kerberos domain to be used for authentication in this class, the institutional data used by the automated enrollment process must include the Kerberos domain for each new student").qq(</font></p>);
1.1 raeburn 546: }
547: }
548:
1.16 albertel 549: if ( exists($env{'form.courseowner'}) ) {
550: $newattr{'courseowner'}=$env{'form.courseowner'};
1.14 raeburn 551: unless ( $newattr{'courseowner'} eq $currattr{'courseowner'} ) {
552: $changeowner = 1;
1.1 raeburn 553: }
554: }
555:
1.16 albertel 556: if ( exists($env{'form.coursecode'}) ) {
557: $newattr{'coursecode'}=$env{'form.coursecode'};
1.1 raeburn 558: unless ( $newattr{'coursecode'} eq $currattr{'coursecode'} ) {
559: $changecode = 1;
560: }
561: }
1.14 raeburn 562: if ($changeowner == 1 || $changecode == 1) {
1.30 raeburn 563: my $courseid_entry = &escape($cdom.'_'.$cnum).'='.&escape($description).':'.&escape($env{'form.coursecode'}).':'.&escape($env{'form.courseowner'}).':'.&escape($type);
1.33 ! raeburn 564: my %courseid_entry = (
! 565: $cdom.'_'.$cnum => {
! 566: description => &escape($description),
! 567: inst_code => &escape($env{'form.coursecode'}),
! 568: owner => &escape($env{'form.courseowner'}),
! 569: type => &escape($type),
! 570: },
! 571: );
! 572: &Apache::lonnet::courseidput($cdom,\%courseid_entry,
! 573: &Apache::lonnet::homeserver($cnum,$cdom));
1.14 raeburn 574: }
1.28 raeburn 575: foreach my $param (@modifiable_params) {
576: if ($currattr{$param} eq $newattr{$param}) {
577: push(@nochanges,$param);
1.1 raeburn 578: } else {
1.28 raeburn 579: my $attr = 'internal.'.$param;
580: $cenv{$attr} = $newattr{$param};
581: push(@changes,$param);
1.1 raeburn 582: }
583: }
584: if (@changes > 0) {
1.2 raeburn 585: $chgresponse = &mt("The following automated enrollment parameters have been changed:<br/><ul>");
1.1 raeburn 586: }
587: if (@nochanges > 0) {
1.2 raeburn 588: $nochgresponse = &mt("The following automated enrollment parameters remain unchanged:<br/><ul>");
1.1 raeburn 589: }
1.33 ! raeburn 590: if (@changes > 0) {
1.28 raeburn 591: my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,$cnum);
1.1 raeburn 592: if ($putreply !~ /^ok$/) {
1.33 ! raeburn 593: $response = &mt("There was a problem processing your requested changes. The automated enrollment settings for this course have been left unchanged.<br/>").&mt('Error: ').$putreply;
1.1 raeburn 594: } else {
1.28 raeburn 595: foreach my $attr (@modifiable_params) {
1.1 raeburn 596: if (grep/^$attr$/,@changes) {
1.28 raeburn 597: $chgresponse .= "<li>$longtype{$attr} ".&mt("now set to \"").$newattr{$attr}."\".</li>";
1.1 raeburn 598: } else {
1.28 raeburn 599: $nochgresponse .= "<li>$longtype{$attr} ".&mt("still set to \"").$currattr{$attr}."\".</li>";
1.1 raeburn 600: }
601: }
602: if ($changecode || $changeowner) {
603: if ( $newattr{'courseowner'} eq '') {
1.2 raeburn 604: $warning .= &mt("There is no owner associated with this LON-CAPA course. If automated enrollment in LON-CAPA courses at your institution requires validation of course owners, automated enrollment will fail for this course.<br/>");
1.1 raeburn 605: } else {
606: if (@sections > 0) {
1.2 raeburn 607: if ($changecode) {
608: foreach my $sec (@sections) {
609: if ($sec =~ m/^(.+):/) {
1.8 raeburn 610: my $inst_course_id = $newattr{'coursecode'}.$1;
1.28 raeburn 611: my $course_check = &Apache::lonnet::auto_validate_courseID($cnum,$cdom,$inst_course_id);
1.7 raeburn 612: if ($course_check eq 'ok') {
1.28 raeburn 613: my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'});
1.1 raeburn 614: unless ($outcome eq 'ok') {
1.2 raeburn 615: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $outcome.<br/>");
1.1 raeburn 616: }
617: } else {
1.2 raeburn 618: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $course_check.<br/>");
1.1 raeburn 619: }
620: } else {
1.2 raeburn 621: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $sec because this is not a valid section entry.<br/>");
1.1 raeburn 622: }
623: }
1.4 raeburn 624: } elsif ($changeowner) {
625: foreach my $sec (@sections) {
626: if ($sec =~ m/^(.+):/) {
1.8 raeburn 627: my $inst_course_id = $newattr{'coursecode'}.$1;
1.28 raeburn 628: my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$inst_course_id,$newattr{'courseowner'});
1.4 raeburn 629: unless ($outcome eq 'ok') {
630: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $1 for the following reason: $outcome.<br/>");
631: }
632: } else {
633: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for ").$newattr{'coursecode'}.&mt(" - section $sec because this is not a valid section entry.<br/>");
634: }
635: }
636: }
1.1 raeburn 637: } else {
1.2 raeburn 638: $warning .= &mt("As no section numbers are currently listed for LON-CAPA course: ").$description.&mt(", automated enrollment will not occur for any sections of coursecode: ").$newattr{'coursecode'}."<br/>";
1.1 raeburn 639: }
640: if ( (@xlists > 0) && ($changeowner) ) {
641: foreach my $xlist (@xlists) {
642: if ($xlist =~ m/^(.+):/) {
1.28 raeburn 643: my $outcome = &Apache::lonnet::auto_new_course($cnum,$cdom,$1,$newattr{'courseowner'});
1.1 raeburn 644: unless ($outcome eq 'ok') {
1.2 raeburn 645: $warning .= &mt("If automatic enrollment is enabled for LON-CAPA course: ").$description.&mt(", automated enrollment may fail for crosslisted class: ").$1.&mt(" for the following reason: $outcome.<br/>");
1.1 raeburn 646: }
1.28 raeburn 647: }
1.1 raeburn 648: }
649: }
650: }
651: }
652: }
1.2 raeburn 653: } else {
1.28 raeburn 654: foreach my $attr (@modifiable_params) {
655: $nochgresponse .= "<li>$longtype{$attr} ".&mt("still set to")." \"".$currattr{$attr}."\".</li>";
1.2 raeburn 656: }
1.1 raeburn 657: }
658:
659: if (@changes > 0) {
660: $chgresponse .= "</ul><br/><br/>";
661: }
662: if (@nochanges > 0) {
663: $nochgresponse .= "</ul><br/><br/>";
664: }
665: unless ($warning eq '') {
1.2 raeburn 666: $warning = &mt("The following warning messages were generated as a result of applying the changes you specified to course settings that can affect the automated enrollment process:<br/><br/>").$warning;
1.1 raeburn 667: }
668: if ($response eq '') {
669: $reply = $chgresponse.$nochgresponse.$warning;
670: } else {
671: $reply = $response;
672: }
1.28 raeburn 673: &print_header($r,$cdesc);
674: $reply = '<h3>'.
675: &mt('Result of Changes to Automated Enrollment Settings.').
676: '</h3>'."\n".
677: '<table><tr><td>'.$reply.'</td></tr></table>'.
678: '<form action="/adm/modifycourse" method="post" name="processparms">'.
679: &hidden_form_elements().
680: '<a href="javascript:changePage(document.processparms,'."'menu'".')">'.&mt('Back to options page').'</a>
681: </form>';
1.3 raeburn 682: $r->print($reply);
1.28 raeburn 683: return;
684: }
685:
686: sub modify_quota {
687: my ($r,$cdom,$cnum,$cdesc,$domdesc) = @_;
688: &print_header($r,$cdesc);
689:
690: my %lt = &Apache::lonlocal::texthash(
691: 'back' => 'Back to options page',
692: );
693: $r->print('
694: <form action="/adm/modifycourse" method="post" name="processquota">
695: <h3>'.&mt('Disk space for storage of group portfolio files for [_1]',$cdesc).
696: '</h3>');
697: my %oldsettings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
698: my $defaultquota = 20;
699: if ($env{'form.coursequota'} ne '') {
700: my $newquota = $env{'form.coursequota'};
701: if ($newquota =~ /^\s*(\d+\.?\d*|\.\d+)\s*$/) {
702: $newquota = $1;
703: if ($oldsettings{'internal.coursequota'} eq $env{'form.coursequota'}) {
704: $r->print(&mt('The disk space allocated for group portfolio files remains unchanged as ').$env{'form.coursequota'}.' Mb');
705: } else {
706: my %cenv = (
707: 'internal.coursequota' => $env{'form.coursequota'},
708: );
709: my $putreply = &Apache::lonnet::put('environment',\%cenv,$cdom,
710: $cnum);
711: if (($oldsettings{'internal.coursequota'} eq '') &&
712: ($env{'form.coursequota'} == $defaultquota)) {
713: $r->print(&mt('The disk space allocated for group portfolio files in this course is the default quota for this domain:').' '.$defaultquota.' Mb');
714: } else {
715: if ($putreply eq 'ok') {
716: my %updatedsettings = &Apache::lonnet::get('environment',['internal.coursequota'],$cdom,$cnum);
717: $r->print(&mt('The disk space allocated for group portfolio files is now:').' '.$updatedsettings{'internal.coursequota'}.' Mb.');
718: my $usage = &Apache::longroup::sum_quotas($cdom.'_'.$cnum);
719: if ($usage >= $updatedsettings{'internal.coursequota'}) {
720: my $newoverquota;
721: if ($usage < $oldsettings{'internal.coursequota'}) {
722: $newoverquota = 'now';
723: }
724: $r->print('<br /><br />'.
725: &mt('Disk usage [_1] exceeds the quota for this course.',$newoverquota).' '.
726: &mt('Upload of new portfolio files and assignment of a non-zero Mb quota to new groups in the course will not be possible until some files have been deleted, and total usage is below course quota.'));
727: }
728: } else {
729: $r->print(&mt('There was an error'));
730: }
731: }
732: }
733: } else {
734: $r->print(&mt('The new quota requested contained invalid characters, so the quota is unchanged.'));
735: }
736: }
737: $r->print(qq|<br /><br />
738: <a href="javascript:changePage(document.processquota,'menu')">$lt{'back'}</a>|);
739: $r->print(&hidden_form_elements().'</form>');
740: return;
1.1 raeburn 741: }
742:
743: sub print_header {
1.28 raeburn 744: my ($r,$cdesc,$javascript_validations) = @_;
745: my $phase = "start";
746: if ( exists($env{'form.phase'}) ) {
747: $phase = $env{'form.phase'};
748: }
749: my $js = qq|
750: <script type="text/javascript">
751: function changePage(formname,newphase) {
752: formname.phase.value = newphase;
753: if (newphase == 'processparms') {
754: return;
1.1 raeburn 755: }
1.28 raeburn 756: formname.submit();
757: }
758: </script>
759: |;
760: if ($phase eq 'setparms') {
761: $js .= qq|
762: <script type="text/javascript">
763: $javascript_validations
764: </script>
765: |;
766: } elsif ($phase eq 'courselist') {
767: $js .= qq|
768: <script type="text/javascript">
769: function gochoose(cname,cdom,cdesc) {
770: document.courselist.pickedcourse.value = cdom+'_'+cname;
771: document.courselist.submit();
772: }
773: </script>
774: |;
775: } elsif ($phase eq 'setquota') {
776: $js .= <<'ENDSCRIPT';
777: <script type="text/javascript">
778: function verify_quota(formname) {
779: var newquota = formname.coursequota.value;
780: var num_reg = /^\s*(\d+\.?\d*|\.\d+)\s*$/;
781: if (num_reg.test(newquota)) {
782: changePage(formname,'processquota');
1.1 raeburn 783: } else {
1.28 raeburn 784: alert("The quota you entered contained invalid characters.\nYou must enter a number");
1.1 raeburn 785: }
1.28 raeburn 786: return;
787: }
788: </script>
789: ENDSCRIPT
1.1 raeburn 790: }
1.23 albertel 791: $r->print(&Apache::loncommon::start_page('View/Modify Course Settings',
792: $js));
1.28 raeburn 793: my $bread_text = "View/Modify Courses";
794: if ($cdesc ne '') {
795: $bread_text = "Course Settings: $cdesc";
796: }
797: $r->print(&Apache::lonhtmlcommon::breadcrumbs($bread_text));
1.5 raeburn 798: return;
1.1 raeburn 799: }
800:
801: sub print_footer {
1.23 albertel 802: my ($r) = @_;
803: $r->print('<br />'.&Apache::loncommon::end_page());
1.5 raeburn 804: return;
1.3 raeburn 805: }
806:
807: sub check_course {
1.28 raeburn 808: my ($r,$dom,$domdesc) = @_;
809: my ($ok_course,$description,$instcode,$owner);
810: if (defined($env{'form.pickedcourse'})) {
811: my ($cdom,$cnum) = split(/_/,$env{'form.pickedcourse'});
812: if ($cdom eq $dom) {
813: my %courseIDs = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',
1.33 ! raeburn 814: $cnum,undef,undef,'.');
1.28 raeburn 815: if (keys(%courseIDs) > 0) {
816: $ok_course = 'ok';
1.33 ! raeburn 817: my ($description,$instcode,$owner);
! 818: if (ref($courseIDs{$cdom.'_'.$cnum}) eq 'HASH') {
! 819: $description = $courseIDs{$cdom.'_'.$cnum}{'description'};
! 820: $instcode = $courseIDs{$cdom.'_'.$cnum}{'inst_code'};
! 821: $owner = $courseIDs{$cdom.'_'.$cnum}{'owner'};
! 822: } else {
! 823: ($description,$instcode,$owner) =
1.28 raeburn 824: split(/:/,$courseIDs{$cdom.'_'.$cnum});
1.33 ! raeburn 825: }
1.28 raeburn 826: $description = &unescape($description);
827: $instcode = &unescape($instcode);
828: if ($instcode) {
829: $description .= " ($instcode)";
830: }
1.5 raeburn 831: }
1.3 raeburn 832: }
833: }
1.28 raeburn 834: return ($ok_course,$description);
1.1 raeburn 835: }
836:
1.28 raeburn 837: sub course_settings_descrip {
838: my %longtype = &Apache::lonlocal::texthash(
839: 'authtype' => 'Default authentication method',
840: 'autharg' => 'Default authentication parameter',
841: 'autoadds' => 'Automated adds',
842: 'autodrops' => 'Automated drops',
843: 'autostart' => 'Date of first automated enrollment',
844: 'autoend' => 'Date of last automated enrollment',
845: 'default_enrollment_start_date' => 'Date of first student access',
846: 'default_enrollment_end_date' => 'Date of last student access',
847: 'coursecode' => 'Official course code',
848: 'courseowner' => "Username:domain of course owner",
849: 'notifylist' => 'Course Coordinators to be notified of enrollment changes',
850: 'sectionnums' => 'Course section number(:LON-CAPA section)',
851: 'crosslistings' => 'Crosslisted class(:LON-CAPA section)',
852: );
853: return %longtype;
854: }
855:
856: sub hidden_form_elements {
857: my $hidden_elements =
858: &Apache::lonhtmlcommon::echo_form_input(['gosearch','coursecode',
859: 'numlocalcc','courseowner',
860: 'login','coursequota','intarg', 'locarg','krbarg','krbver']);
861: return $hidden_elements;
862: }
1.1 raeburn 863:
864: sub handler {
865: my $r = shift;
866: if ($r->header_only) {
867: &Apache::loncommon::content_type($r,'text/html');
868: $r->send_http_header;
869: return OK;
870: }
1.28 raeburn 871: my $dom = $env{'request.role.domain'};
1.31 albertel 872: my $domdesc = &Apache::lonnet::domain($dom,'description');
1.28 raeburn 873: if (&Apache::lonnet::allowed('ccc',$dom)) {
1.1 raeburn 874: &Apache::loncommon::content_type($r,'text/html');
875: $r->send_http_header;
876:
1.28 raeburn 877: &Apache::lonhtmlcommon::clear_breadcrumbs();
878:
879: my $phase = $env{'form.phase'};
880: &Apache::lonhtmlcommon::add_breadcrumb
881: ({href=>"/adm/modifycourse",
882: text=>"Course search"});
883: if ($phase eq '') {
884: &print_course_search_page($r,$dom,$domdesc);
1.1 raeburn 885: } else {
1.28 raeburn 886: &Apache::lonhtmlcommon::add_breadcrumb
887: ({href=>"javascript:changePage(document.$phase,'courselist')",
888: text=>"Choose a course"});
889: if ($phase eq 'courselist') {
890: &print_course_selection_page($r,$dom,$domdesc);
891: } else {
892: &Apache::lonhtmlcommon::add_breadcrumb
893: ({href=>"javascript:changePage(document.$phase,'menu')",
894: text=>"Pick action"});
895: my ($checked,$cdesc) = &check_course($r,$dom,$domdesc);
896: my $type = $env{'form.type'};
1.29 raeburn 897: if ($type eq '') {
898: $type = 'Course';
899: }
1.28 raeburn 900: if ($checked eq 'ok') {
901: if ($phase eq 'menu') {
902: &print_modification_menu($r,$cdesc);
903: } else {
904: my ($cdom,$cnum) = split(/_/,$env{'form.pickedcourse'});
905: if ($phase eq 'setquota') {
906: &Apache::lonhtmlcommon::add_breadcrumb
907: ({href=>"javascript:changePage(document.$phase,'$phase')",
908: text=>"Set quota"});
909: &print_setquota($r,$cdom,$cnum,$cdesc,$type)
910: } elsif ($phase eq 'processquota') {
911: &Apache::lonhtmlcommon::add_breadcrumb
912: ({href=>"javascript:changePage(document.$phase,'setquota')",
913: text=>"Set quota"});
914: &Apache::lonhtmlcommon::add_breadcrumb
915: ({href=>"javascript:changePage(document.$phase,'$phase')",
916: text=>"Result"});
917: &modify_quota($r,$cdom,$cnum,$cdesc,$domdesc);
918: } elsif ($phase eq 'viewparms') {
919: &Apache::lonhtmlcommon::add_breadcrumb
920: ({href=>"javascript:changePage(document.$phase,'viewparms')",
921: text=>"Display settings"});
922: &print_settings_display($r,$cdom,$cnum,$cdesc,$type);
923: } elsif ($phase eq 'setparms') {
924: &Apache::lonhtmlcommon::add_breadcrumb
925: ({href=>"javascript:changePage(document.$phase,'$phase')",
926: text=>"Change settings"});
927: &print_course_modification_page($r,$cdom,$cnum,$cdesc,$domdesc);
928: } elsif ($phase eq 'processparms') {
929: &Apache::lonhtmlcommon::add_breadcrumb
930: ({href=>"javascript:changePage(document.$phase,'setparms')",
931: text=>"Change settings"});
932: &Apache::lonhtmlcommon::add_breadcrumb
933: ({href=>"javascript:changePage(document.$phase,'$phase')",
934: text=>"Result"});
1.30 raeburn 935: &modify_course($r,$cdom,$cnum,$cdesc,$domdesc,$type);
1.28 raeburn 936: }
937: }
938: } else {
1.33 ! raeburn 939: $r->print('<span class="LC_error">'.&mt('The course you selected is not a valid course in this domain')." ($domdesc)".'</span>');
1.28 raeburn 940: }
941: }
1.1 raeburn 942: }
1.28 raeburn 943: &print_footer($r);
1.1 raeburn 944: } else {
1.16 albertel 945: $env{'user.error.msg'}=
1.2 raeburn 946: "/adm/modifycourse:ccc:0:0:Cannot modify course settings";
1.1 raeburn 947: return HTTP_NOT_ACCEPTABLE;
948: }
949: return OK;
950: }
951:
952: 1;
953: __END__
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