Annotation of loncom/interface/selfenroll.pm, revision 1.31
1.1 raeburn 1: # The LearningOnline Network
2: # Allow users to self-enroll in a course
3: #
1.31 ! raeburn 4: # $Id: selfenroll.pm,v 1.30 2014/04/04 23:06:32 raeburn Exp $
1.1 raeburn 5: #
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: #
28: #
29: package Apache::selfenroll;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::lonlocal;
1.10 raeburn 36: use Apache::createaccount;
1.21 raeburn 37: use Apache::loncoursequeueadmin;
1.28 raeburn 38: use Apache::lonuserutils;
1.1 raeburn 39: use LONCAPA qw(:DEFAULT :match);
40:
41: sub handler {
42: my $r = shift;
43: &Apache::loncommon::content_type($r,'text/html');
44: $r->send_http_header;
45: if ($r->header_only) {
46: return OK;
47: }
48: my $handle = &Apache::lonnet::check_for_valid_session($r);
49: my $lonidsdir=$r->dir_config('lonIDsDir');
1.10 raeburn 50: my $lonhost = $r->dir_config('lonHostID');
1.1 raeburn 51: if ($handle ne '') {
52: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
53: }
54: &Apache::lonacc::get_posted_cgi($r);
55: &Apache::lonlocal::get_language_handle($r);
1.12 raeburn 56: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['courseid']);
57: my $js = &Apache::createaccount::catreturn_js();
1.27 droeschl 58:
59: my $courseid = Apache::lonnet::is_course($env{'form.courseid'});
60:
61: unless ($courseid) {
62: &page_header($r,$env{'form.courseid'},$js);
1.9 raeburn 63: $r->print('<h3>'.&mt('Self-enrollment error').'</h3>'.
1.10 raeburn 64: '<span class="LC_error">'.
65: &mt('Invalid domain or course number').'</span>');
1.12 raeburn 66: &page_footer($r);
1.1 raeburn 67: return OK;
68: }
1.10 raeburn 69: my $now = time;
70: if ($env{'form.phase'} eq 'login') {
1.12 raeburn 71: $js .= "\n".&Apache::createaccount::javascript_setforms($now);
1.10 raeburn 72: }
1.12 raeburn 73: my %coursehash = &Apache::lonnet::coursedescription($courseid);
74: my $cdom = $coursehash{'domain'};
75: my $cnum = $coursehash{'num'};
76: my $desc = $coursehash{'description'};
77: &page_header($r,$courseid,$js,$desc);
1.10 raeburn 78: my $include = $r->dir_config('lonIncludes');
79: if ($env{'form.phase'} eq 'login') {
80: my $jsh=Apache::File->new($include."/londes.js");
81: $r->print(<$jsh>);
82: }
1.12 raeburn 83: my ($canenroll,$selfenroll_types,$selfenroll_registered,@cancreate,
84: $knownuser,$selfenroll_access_start,$selfenroll_access_end,
1.15 raeburn 85: $selfenroll_section,$selfenroll_future,%curr_role,$cdomdesc,
86: $selfenroll_approval,$selfenroll_limit,$selfenroll_cap,
1.28 raeburn 87: $selfenroll_notifylist,$owner,$crstype);
1.1 raeburn 88: $selfenroll_types = $coursehash{'internal.selfenroll_types'};
89: $selfenroll_registered = $coursehash{'internal.selfenroll_registered'};
90: $selfenroll_section = $coursehash{'internal.selfenroll_section'};
91: $selfenroll_access_start = $coursehash{'internal.selfenroll_start_access'};
92: $selfenroll_access_end = $coursehash{'internal.selfenroll_end_access'};
1.15 raeburn 93: $selfenroll_limit = $coursehash{'internal.selfenroll_limit'};
94: $selfenroll_cap = $coursehash{'internal.selfenroll_cap'};
95: $selfenroll_approval = $coursehash{'internal.selfenroll_approval'};
96: $selfenroll_notifylist = $coursehash{'internal.selfenroll_notifylist'};
97: $owner = $coursehash{'internal.courseowner'};
1.28 raeburn 98: $crstype = $coursehash{'internal.type'};
99: if ($crstype eq '') {
100: $crstype = 'Course';
101: }
1.15 raeburn 102: my $nospace;
1.1 raeburn 103: if ($selfenroll_types ne '') {
104: my $start = $coursehash{'internal.selfenroll_start_date'};
105: my $end = $coursehash{'internal.selfenroll_end_date'};
1.9 raeburn 106: if (($start > 0 && $start < $now) && (($end == 0) || ($end > 0 && $end > $now))) {
1.15 raeburn 107: if (($selfenroll_limit eq 'allstudents') ||
108: ($selfenroll_limit eq 'selfenroll')) {
109: $nospace =
110: &enrollment_limit_check($selfenroll_limit,$selfenroll_cap,
111: $cdom,$cnum);
112: if (!$nospace) {
113: $canenroll = 1;
114: }
115: } else {
116: $canenroll = 1;
117: }
1.9 raeburn 118: } elsif (($end == 0) || ($end > 0 && $end > $now)) {
119: if ($start > $now) {
1.15 raeburn 120: if (($selfenroll_limit eq 'allstudents') ||
121: ($selfenroll_limit eq 'selfenroll')) {
122: $nospace =
123: &enrollment_limit_check($selfenroll_limit,$cdom,$cnum);
124: }
125: if (!$nospace) {
126: $selfenroll_future = &Apache::lonlocal::locallocaltime($start);
127: }
1.9 raeburn 128: }
1.1 raeburn 129: }
130: }
1.9 raeburn 131: $knownuser = &user_is_known();
1.1 raeburn 132: if (!$canenroll) {
1.9 raeburn 133: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3><span class="LC_warning">'.
134: &mt('Self-enrollment is not currently available for this course.').
135: '</span><br /><br />');
1.15 raeburn 136: if ($nospace) {
137: if ($selfenroll_limit eq 'allstudents') {
138: $r->print(&mt('The enrollment limit of [quant,_1,student] has been reached.',$selfenroll_cap));
139: } else {
140: $r->print(&mt('The enrollment limit of [quant,_1,self-enrolled student] has been reached.',$selfenroll_cap));
141:
142: }
143: }
1.9 raeburn 144: if ($selfenroll_types ne '') {
145: if ($selfenroll_future ne '') {
146: if ($selfenroll_types eq '*') {
147: $r->print(&mt('Self-enrollment will become available starting [_1], and will be available to all LON-CAPA users.',$selfenroll_future).'<br />');
148: } else {
149: my ($enrolltypes,$longtypes,$alldoms);
150: if ($knownuser) {
151: &get_selfenroll_filters($selfenroll_types,$env{'user.domain'});
152: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
153: if (ref($enrolltypes) eq 'HASH') {
154: if (ref($enrolltypes->{$env{'user.domain'}}) eq 'ARRAY') {
155: if (grep(/^any$/,@{$enrolltypes->{$env{'user.domain'}}})) {
156: $r->print(&mt('Self-enrollment will become available starting [_1], and will be available to all LON-CAPA users at your institution ([_2]).',
157: $selfenroll_future,$domdesc).'<br />');
158:
159: } else {
160: if (&user_can_selfenroll($env{'user.domain'},
161: $env{'user.name'},
162: $enrolltypes->{$env{'user.domain'}})) {
163: $r->print(&mt('Self-enrollment will become available starting [_1]; please enroll at that time.',$selfenroll_future));
164: } else {
165: $r->print(&mt('Although self-enrollment will become available starting [_1], you are ineligible for enrollment.',$selfenroll_future).'<br />');
166: $r->print(&print_selfenroll_types($longtypes,$env{'user.domain'}));
167: }
168: }
169: }
170: }
171: } else {
172: $r->print(&mt('Self-enrollment will become available starting [_1].',
173: $selfenroll_future).'<br />');
174: $r->print(&print_selfenroll_types($longtypes));
175: }
176: }
177: }
178: }
1.1 raeburn 179: }
180: if ($knownuser) {
181: foreach my $key (keys(%env)) {
182: if ($key =~ m-^user\.role\.st\./$cdom/$cnum/?(\w*)$-) {
183: my $sec = $1;
184: my ($start,$end) = split(/\./,$env{$key});
185: my $status = 'active';
186: if (($end) && ($end<=$now)) {
187: $status = 'previous';
188: }
189: if (($start) && ($now<$start)) {
190: $status = 'future';
191: }
192: if ($status eq 'active' || $status eq 'future') {
193: $curr_role{'status'} = $status;
194: $curr_role{'section'} = $sec;
1.7 raeburn 195: if ($curr_role{'section'} eq '') {
196: $curr_role{'section'} = &mt('none');
197: }
1.1 raeburn 198: $curr_role{'start'} = &Apache::lonlocal::locallocaltime($start);
199: $curr_role{'role'} = 'st./'.$cdom.'/'.$cnum;
200: if ($sec ne '') {
201: $curr_role{'role'} .= '/'.$sec;
202: }
203: }
204: }
205: }
206: }
207: if (!$canenroll) {
208: if (keys(%curr_role)) {
209: $r->print(&has_role(%curr_role));
210: }
1.12 raeburn 211: &page_footer($r);
1.1 raeburn 212: return OK;
213: }
1.3 raeburn 214: @cancreate = &can_create($cdom);
1.12 raeburn 215: my ($form,$login_path,$firsturl,$create_path,$sso_url,$missing_formitem);
216: $form = 'logmein';
1.1 raeburn 217: $login_path = '/adm/login';
1.12 raeburn 218: $firsturl= '/adm/selfenroll?courseid='.$courseid;
1.1 raeburn 219: $create_path = '/adm/createaccount';
220: $sso_url = $r->dir_config('lonSSOReloginServer');
221: if ($sso_url eq '') {
222: $sso_url = $login_path;
223: }
1.11 raeburn 224: $missing_formitem = &mt('The link to the requested page could not be followed.')."\\n".&mt('The placeholder for the courseID is absent.');
1.1 raeburn 225: if ($knownuser) {
226: if (keys(%curr_role)) {
1.9 raeburn 227: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
228: '<span class="LC_warning">'.&has_role(%curr_role).'</span>');
1.12 raeburn 229: &page_footer($r);
1.1 raeburn 230: return OK;
231: }
232: &process_self_enroll($r,$cdom,$cnum,$selfenroll_types,$selfenroll_registered,
233: $selfenroll_access_start,$selfenroll_access_end,
1.15 raeburn 234: $selfenroll_section,$now,$selfenroll_approval,
1.29 raeburn 235: $selfenroll_notifylist,$owner,$crstype,$lonhost,$handle);
1.10 raeburn 236: } elsif ($env{'form.phase'} eq 'login') {
237: my $submit_text = &mt('Log in');
238: $r->print('<h3>'.&mt('Log-in to LON-CAPA').'</h3>');
239: my $udom = &Apache::lonnet::default_login_domain();
1.12 raeburn 240: $r->print(&Apache::createaccount::login_box($now,$lonhost,$courseid,
1.10 raeburn 241: $submit_text,$udom,'selfenroll'));
1.12 raeburn 242: $r->print(&mt('You will be able to self-enroll in the course you selected ([_1]) after you have successfully logged in.','<b>'.$desc.'</b>'));
243: &page_footer($r);
1.10 raeburn 244: return OK;
1.3 raeburn 245: } elsif (@cancreate > 0) {
1.1 raeburn 246: $r->print(<<END);
247: <script type="text/javascript">
1.12 raeburn 248: function setPath(formname,formaction,item,arg) {
249: var formidx = getFormByName(formname);
250: if (formidx > -1) {
251: if (formaction != '') {
252: document.forms[formidx].action = formaction;
253: }
254: var itemid = getIndexByName(formidx,'setting');
255: if (itemid > -1) {
256: document.forms[formidx].elements[itemid].name = item;
257: document.forms[formidx].elements[itemid].value = arg;
258: document.forms[formidx].submit();
259: } else {
260: alert("$missing_formitem");
261: }
1.1 raeburn 262: }
263: return;
264: }
265:
266: </script>
267: END
1.9 raeburn 268: $r->print('<h3>'.&mt('LON-CAPA account required').'</h3>'.
1.12 raeburn 269: &mt('You need to be logged into LON-CAPA to self-enroll in a course.').'<ul><li>'.&mt('If you have an account in LON-CAPA, [_1]log-in[_2].','<a href="javascript:setPath('."'$form','','phase','login'".')">','</a>').'</li>');
1.3 raeburn 270: if (@cancreate > 1) {
271: $r->print('<li>'.&mt('Otherwise:').'<br />');
272: my $count = 0;
273: foreach my $type ('sso','login','email') {
1.4 raeburn 274: if (($count > 0) && ($count <@cancreate)) {
1.3 raeburn 275: $r->print(' , '.&mt('or').'<br />');
276: }
277: if (grep(/^$type$/,@cancreate)) {
278: if ($type eq 'sso') {
1.12 raeburn 279: $r->print(' '.&mt("if you have an institutional log-in, use your institution's [_1]single sign on page[_2] to log-in, then create an account",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
1.3 raeburn 280: } elsif ($type eq 'login') {
1.12 raeburn 281: $r->print(' '.&mt('if you have an institutional login, [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 282: } elsif ($type eq 'email') {
1.12 raeburn 283: $r->print(' '.&mt('you can use an e-mail address to [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 284: }
285: $count ++;
286: }
287: }
288: $r->print('.<br />');
289: } else {
290: if ($cancreate[0] eq 'login') {
1.12 raeburn 291: $r->print('<li>'.&mt('Otherwise, if you have an institutional login, [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 292: } elsif ($cancreate[0] eq 'email') {
1.12 raeburn 293: $r->print('<li>'.&mt('Otherwise, you will use an e-mail address to [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 294: } elsif ($cancreate[0] eq 'sso') {
1.12 raeburn 295: $r->print('<li>'.&mt("Otherwise, use your institution's [_1]single sign on page[_2] to log-in, then create an account.",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
1.3 raeburn 296: }
1.1 raeburn 297: }
298: if ($selfenroll_types eq '*') {
1.9 raeburn 299: $r->print('<br />'.&mt('You will be able to self enroll in this course once the account has been created.').'</li></ul>');
1.1 raeburn 300: } else {
301: $r->print('</li></ul>');
302: my ($enrolltypes,$longtypes,$alldoms) =
1.9 raeburn 303: &get_selfenroll_filters($selfenroll_types);
304: $r->print(&print_selfenroll_types($longtypes));
1.1 raeburn 305: }
306: } else {
1.9 raeburn 307: my $cdomdesc = &Apache::lonnet::domain($cdom,'description');
308: $r->print('<h3>'.&mt('LON-CAPA account required').'</h3>');
309: $r->print(&mt('You must [_1]log-in[_2] to LON-CAPA with an existing account to be able to enroll in this course, as account creation at this institution ([_3]) is not permitted when self-enrolling.','<a href="'.$login_path.'">','</a>',$cdomdesc));
1.1 raeburn 310: if ($selfenroll_types ne '*') {
311: my ($enrolltypes,$longtypes,$alldoms) =
312: &get_selfenroll_filters($selfenroll_types);
1.9 raeburn 313: $r->print('<br />'.&print_selfenroll_types($longtypes));
1.1 raeburn 314: }
1.9 raeburn 315: my $displayurl = &escape($firsturl);
316: $r->print(&mt('Submit a request to the LON-CAPA [_1]helpdesk[_2] for [_3] if you require assistance.','<a href="/adm/helpdesk?origurl='.$displayurl.'">','</a>',$cdomdesc));
1.1 raeburn 317: }
1.12 raeburn 318: $r->print("\n".'<form name="'.$form.'" method="post" action="">'."\n".
319: '<input type="hidden" name="courseid" value="'.$courseid.'" />'."\n".
1.1 raeburn 320: '<input type="hidden" name="setting" value=""/>'."\n".
1.12 raeburn 321: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','context','phase'])."\n".
322: '</form>'."\n");
323: &page_footer($r);
1.1 raeburn 324: return OK;
325: }
326:
1.15 raeburn 327: sub enrollment_limit_check {
328: my ($selfenroll_limit,$selfenroll_cap,$cdom,$cnum) = @_;
329: my $nospace = 0;
330: my (%idx,%stucount);
331: my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
332: $idx{'type'} = &Apache::loncoursedata::CL_TYPE();
333: $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
334: while (my ($student,$data) = each(%$classlist)) {
335: if (($data->[$idx{'status'}] eq 'Active') ||
336: ($data->[$idx{'status'}] eq 'Future')) {
337: if ($data->[$idx{'type'}] eq 'selfenroll') {
338: $stucount{'selfenroll'} ++;
339: }
340: $stucount{'allstudents'} ++;
341: }
342: }
343: if ($stucount{$selfenroll_limit} >= $selfenroll_cap) {
344: $nospace = 1;
345: }
346: return $nospace;
347: }
348:
1.10 raeburn 349: sub page_header {
1.12 raeburn 350: my ($r,$courseid,$js,$desc) = @_;
1.10 raeburn 351: my $start_page =
1.26 droeschl 352: &Apache::loncommon::start_page('Self-enroll in a LON-CAPA course',$js);
1.10 raeburn 353: $r->print($start_page);
354: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.12 raeburn 355: &Apache::createaccount::selfenroll_crumbs($r,$courseid,$desc);
1.10 raeburn 356: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Self-enroll in course'));
357: return;
358: }
359:
1.12 raeburn 360: sub page_footer {
361: my ($r) = @_;
362: $r->print('<form name="backupcrumbs" method="post" action="/adm/coursecatalog">'."\n".
363: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','phase','context']).
364: '</form>'.&Apache::loncommon::end_page());
365: return;
366: }
367:
1.1 raeburn 368: sub user_is_known {
369: my $known = 0;
370: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
371: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
372: $known = 1;
373: }
374: return $known;
375: }
376:
377: sub can_create {
378: my ($cdom) = @_;
1.3 raeburn 379: my @cancreate;
1.1 raeburn 380: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$cdom);
381: if (ref($domconfig{'usercreation'}) eq 'HASH') {
382: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
383: if ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') {
1.3 raeburn 384: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
385: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
386: } else {
387: if (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
388: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
389: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
390: }
391: }
1.1 raeburn 392: }
393: }
394: }
1.3 raeburn 395: return @cancreate;
1.1 raeburn 396: }
397:
398: sub has_role {
399: my (%curr_role) = @_;
400: my $output;
401: if ($curr_role{'status'} eq 'active') {
402: my $rolelink = &jump_to_role($curr_role{'role'});
1.18 bisitz 403: $output = &mt('You already have an active student role (section: "[_1]") in this course.',$curr_role{'section'}).'<br />'.$rolelink;
1.1 raeburn 404: } elsif ($curr_role{'status'} eq 'future') {
1.9 raeburn 405: $output = &mt('You have a student role (section: "[_1]") in this course which will become active [_2].',$curr_role{'section'},$curr_role{'start'});
1.1 raeburn 406: }
407: return $output;
408: }
409:
410: sub process_self_enroll {
411: my ($r,$cdom,$cnum,$selfenroll_types,$selfenroll_registered,
1.15 raeburn 412: $selfenroll_access_start,$selfenroll_access_end,$selfenroll_section,
1.29 raeburn 413: $now,$selfenroll_approval,$selfenroll_notifylist,$owner,$crstype,$lonhost,$handle) = @_;
1.1 raeburn 414: my $udom = $env{'user.domain'};
415: my $uname = $env{'user.name'};
416: my $selfenroll = 0;
1.9 raeburn 417: my ($enrolltypes,$longtypes,$alldoms);
418: if ($selfenroll_types eq '*') {
1.1 raeburn 419: $selfenroll = 1;
1.9 raeburn 420: } else {
421: ($enrolltypes,$longtypes,$alldoms) =
422: &get_selfenroll_filters($selfenroll_types,$udom);
423: if ($alldoms) {
424: $selfenroll = 1;
425: } elsif (ref($enrolltypes) eq 'HASH') {
426: if (ref($enrolltypes->{$udom}) eq 'ARRAY') {
427: if (grep(/^any$/,@{$enrolltypes->{$udom}})) {
428: $selfenroll = 1;
429: } else {
430: $selfenroll = &user_can_selfenroll($udom,$uname,$enrolltypes->{$udom});
1.1 raeburn 431: }
432: }
433: }
434: }
435: if ($selfenroll) {
436: my $usec = $selfenroll_section;
437: if ($selfenroll_section eq 'none') {
438: $usec = '';
439: }
440: if ($selfenroll_registered) {
441: my ($registered,$instsec,$message) = &check_registered($cdom,$cnum);
442: $usec = $instsec;
443: if (!$registered) {
1.28 raeburn 444: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
445: &mt('Self-enrollment is restricted to students officially registered for this course.').'<br />');
1.1 raeburn 446: if ($message) {
447: $r->print($message);
448: } else {
449: $r->print(&mt('As you are not currently registered for this course, self-enrollment is unavailable.'));
450: }
451: return;
452: }
453: }
1.15 raeburn 454: if ($selfenroll_approval) {
455: my $outcome =
456: &store_selfenroll_request($udom,$uname,$usec,$cdom,$cnum,
1.28 raeburn 457: $selfenroll_notifylist,$owner,
1.29 raeburn 458: $selfenroll_approval,$crstype,$lonhost,$handle);
1.15 raeburn 459: $r->print($outcome);
460: } else {
461: my $enrollresult =
462: &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,
463: undef,undef,$usec,$selfenroll_access_end,$selfenroll_access_start,
464: 'selfenroll',undef,$cdom.'_'.$cnum,$selfenroll);
465: if ($enrollresult eq 'ok') {
466: my (%userroles,%newrole,%newgroups);
467: my $role = 'st';
468: my $area = '/'.$cdom.'/'.$cnum;
469: my $spec = $role.'.'.$area;
470: if ($usec ne '') {
471: $spec .= '/'.$usec;
472: $area .= '/'.$usec;
473: }
474: &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,
475: $area);
1.23 raeburn 476: &Apache::lonnet::set_userprivs(\%userroles,\%newrole,\%newgroups);
1.15 raeburn 477: $userroles{'user.role.'.$spec} = $selfenroll_access_start.'.'.$selfenroll_access_end;
478: &Apache::lonnet::appenv(\%userroles,[$role,'cm']);
479: $r->print('<h3>'.&mt('Enrollment process complete').'</h3>');
480: if ($selfenroll_access_end && $selfenroll_access_end <= $now) {
481: $r->print(&mt('The end date for access to this course for users who self-enroll has passed.').'<br />'.&mt('Consequently, although a new role was created for you in the course, it is an inactive role which does not provide access to the course.'));
1.1 raeburn 482: } else {
1.15 raeburn 483: $r->print(&mt('Self-enrollment in this course was successful.').'<br />');
484: my $showstart = &Apache::lonlocal::locallocaltime($selfenroll_access_start);
485: my $showend = &Apache::lonlocal::locallocaltime($selfenroll_access_end);
486: if ($selfenroll_access_start && $selfenroll_access_start >$now) {
487: $r->print(&mt('The start date for access to this course for users who self-enroll has yet to be reached.').'<br />'.&mt('Consequently, although a new role was created for you in the course, you will not be able to select this role until [_1].',$showstart));
488: } else {
489: my $newrole = 'st./'.$cdom.'/'.$cnum;
490: if ($usec ne '') {
491: $newrole .= '/'.$usec;
492: }
493: my $rolelink = &jump_to_role($newrole);
494: $r->print(&mt('Your new role is available immediately, and will provide access to the course until [_1].',$showend).'<br /><br />'."\n".
495: $rolelink);
1.1 raeburn 496: }
497: }
1.15 raeburn 498: } else {
499: $r->print('<h3>'.&mt('Enrollment incomplete').'</h3>'.
500: &mt('Self-enrollment in this course failed.'));
501: if ($enrollresult ne '') {
502: $r->print('<span class="LC_error">'.$enrollresult.'</span>');
503: }
1.1 raeburn 504: }
505: }
506: } else {
1.9 raeburn 507: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
508: &mt('You are not permitted to enroll yourself in this course.').'<br />');
1.1 raeburn 509: $r->print(&print_selfenroll_types($longtypes));
510: }
511: return;
512: }
513:
1.9 raeburn 514: sub user_can_selfenroll {
515: my ($udom,$uname,$domenrolltypes) = @_;
516: my $selfenroll = 0;
1.13 raeburn 517: my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'inststatus');
1.9 raeburn 518: my @inststatuses;
519: if ($userhash{'inststatus'} eq '') {
520: push(@inststatuses,'other');
521: } else {
1.13 raeburn 522: @inststatuses = split(':',$userhash{'inststatus'});
1.9 raeburn 523: }
524: foreach my $type (@inststatuses) {
525: if (ref($domenrolltypes) eq 'ARRAY') {
526: if (grep(/^\Q$type\E$/,@{$domenrolltypes})) {
527: $selfenroll = 1;
528: last;
529: }
530: }
531: }
532: return $selfenroll;
533: }
534:
1.15 raeburn 535: sub store_selfenroll_request {
1.28 raeburn 536: my ($udom,$uname,$usec,$cdom,$cnum,$selfenroll_notifylist,$owner,
1.29 raeburn 537: $selfenroll_approval,$crstype,$lonhost,$handle) = @_;
1.15 raeburn 538: my $namespace = 'selfenrollrequests';
539: my $output;
540: my $now = time;
541: my %existing =
542: &Apache::lonnet::get($namespace,[$uname.':'.$udom],$cdom,$cnum);
543: if ($existing{$uname.':'.$udom}) {
1.31 ! raeburn 544: my $status;
! 545: $output = &mt('A self-enrollment request already exists for you for this course.').'<br />';
! 546: my %info = &Apache::lonnet::get($namespace,[$cdom.'_'.$cnum],$udom,$uname);
! 547: if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') {
! 548: $status = $info{$cdom.'_'.$cnum}{'status'};
! 549: }
! 550: if ($status eq 'pending') {
! 551: my $token = $info{$cdom.'_'.$cnum}{'token'};
! 552: my ($statusupdate,$pendingform) = &pending_selfenrollment_form($cdom,$cnum,$crstype,$token,$lonhost);
! 553: if ($statusupdate eq 'pending') {
! 554: $output .= $pendingform;
! 555: }
! 556: } else {
! 557: $output .= &mt('Your earlier request is in a queue awaiting action by a Course Coordinator.').
! 558: '<br /><br />'.&Apache::loncoursequeueadmin::queued_selfenrollment();
! 559: }
1.15 raeburn 560: } else {
561: my %selfenroll = (
562: $uname.':'.$udom => $now.':'.$usec,
563: );
564: my $putresult = &Apache::lonnet::put($namespace,\%selfenroll,$cdom,$cnum);
1.28 raeburn 565: my $status = 'request';
566: if ($selfenroll_approval eq '2') {
567: $status = 'pending';
568: }
1.15 raeburn 569: if ($putresult eq 'ok') {
1.16 raeburn 570: my %userenroll = (
571: $cdom.'_'.$cnum => {
572: timestamp => $now,
573: section => $usec,
1.28 raeburn 574: status => $status,
1.16 raeburn 575: });
1.28 raeburn 576: my $token;
577: if ($status eq 'pending') {
1.30 raeburn 578: $token = &Apache::lonnet::tmpput(\%selfenroll,$lonhost);
1.28 raeburn 579: $userenroll{$cdom.'_'.$cnum}{'token'} = $token;
1.29 raeburn 580: $userenroll{$cdom.'_'.$cnum}{'lonhost'} = $lonhost;
581: $userenroll{$cdom.'_'.$cnum}{'handle'} = $handle;
1.28 raeburn 582: }
1.16 raeburn 583: my $warning;
584: my $userresult = &Apache::lonnet::put($namespace,\%userenroll,$udom,$uname);
585: if ($userresult ne 'ok') {
586: $warning = &mt('An error occurred saving a personal record of your request.');
587: }
1.28 raeburn 588: $output = &mt('Your request for self-enrollment has been recorded.').'<br />';
589: if ($status eq 'pending') {
1.31 ! raeburn 590: my ($statusupdate,$pendingform) = &pending_selfenrollment_form($cdom,$cnum,$crstype,$token,$lonhost);
! 591: if ($statusupdate eq 'request') {
! 592: $status = $statusupdate;
1.28 raeburn 593: } else {
1.31 ! raeburn 594: $output .= $pendingform;
1.28 raeburn 595: }
596: }
597: if ($status eq 'request') {
598: $output .= &mt('A message will be sent to your LON-CAPA account when the course coordinator takes action on your request.').'<br />'.
599: &mt('To access your LON-CAPA message, go to the Main Menu and click on "Send and Receive Messages".').'<br />';
600: my %emails = &Apache::loncommon::getemails($uname,$udom);
601: if (($emails{'permanentemail'} ne '') || ($emails{'notification'} ne '')) {
602: my $address = $emails{'permanentemail'};
603: if ($address eq '') {
604: $address = $emails{'notification'};
605: }
606: $output.= &mt('An e-mail will also be sent to: [_1] when this occurs.',$address).'<br />';
607: }
608: if ($warning) {
609: $output .= '<span class="LC_warning">'.$warning.'</span><br />';
610: }
611: $output .= &Apache::loncoursequeueadmin::queued_selfenrollment();
612:
613: if ($selfenroll_notifylist) {
614: my $fullname = &Apache::loncommon::plainname($uname,$udom);
615: my %courseinfo = &Apache::lonnet::coursedescription($cdom.'_'.$cnum);
616: my $coursedesc = $courseinfo{'description'};
617: &Apache::loncoursequeueadmin::send_selfserve_notification(
618: $selfenroll_notifylist,$fullname,$cdom.'_'.$cnum,
619: $coursedesc,$now,'selfenrollreq',$owner);
620: }
1.15 raeburn 621: }
622: } else {
623: $output = '<span class="LC_error">'.&mt('An error occurred when recording your request.').'</span>';
624:
625: }
626: }
627: return $output;
628: }
629:
1.31 ! raeburn 630: sub pending_selfenrollment_form {
! 631: my ($cdom,$cnum,$crstype,$token,$lonhost) = @_;
! 632: my ($status,$output);
! 633: my $coursetype = &Apache::lonuserutils::get_extended_type($cdom,$cnum,$crstype);
! 634: my %postvalues = (
! 635: 'username' => $env{'user.name'},
! 636: 'domain' => $env{'user.domain'},
! 637: 'course' => $cdom.'_'.$cnum,
! 638: 'coursetype' => $coursetype,
! 639: );
! 640: my %domconfig = &Apache::lonnet::get_dom('configuration',['selfenrollment'],$cdom);
! 641:
! 642: if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
! 643: my ($url,$buttontext,$code,@fields);
! 644: if (ref($domconfig{'selfenrollment'}{'validation'}) eq 'HASH') {
! 645: my %courseinfo = &Apache::lonnet::coursedescription($cdom.'_'.$cnum,{ 'one_time' => 1});
! 646: $postvalues{'uniquecode'} = $courseinfo{'internal.uniquecode'};
! 647: $postvalues{'description'} = $courseinfo{'description'};
! 648: $url = $domconfig{'selfenrollment'}{'validation'}{'url'};
! 649: if (ref($domconfig{'selfenrollment'}{'validation'}{'fields'}) eq 'ARRAY') {
! 650: @fields = @{$domconfig{'selfenrollment'}{'validation'}{'fields'}};
! 651: }
! 652: $buttontext = $domconfig{'selfenrollment'}{'validation'}{'button'};
! 653:
! 654: $output .= $domconfig{'selfenrollment'}{'validation'}{'markup'};
! 655: if (($url =~ m{^(https?\://|/)}) && (@fields > 0)) {
! 656: $output .= '<form name="selfenrollvalidation" action="'.$url.'" method="post">'."\n";
! 657: foreach my $field (@fields) {
! 658: if ($postvalues{$field}) {
! 659: $output .= '<input type="hidden" name="'.$field.'" value="'.$postvalues{$field}.'" />'."\n";
! 660: }
! 661: }
! 662: if ($buttontext eq '') {
! 663: $buttontext = &mt('Complete my enrollment');
! 664: }
! 665: my $protocol = $Apache::lonnet::protocol{$lonhost};
! 666: $protocol = 'http' if ($protocol ne 'https');
! 667: my $enroller = $protocol.'://'.&Apache::lonnet::hostname($lonhost).'/cgi-bin/enrollqueued.pl';
! 668: $output .= '<input type="hidden" name="enroller" value="'.$enroller.'" />'."\n".
! 669: '<input type="hidden" name="token" value="'.$token.'" />'."\n".
! 670: '<input type="submit" name="validate" value="'.$buttontext.'" />'."\n".
! 671: '</form>'."\n";
! 672: $status = 'pending';
! 673: } else {
! 674: $status = 'request';
! 675: }
! 676: }
! 677: } else {
! 678: $status = 'request';
! 679: }
! 680: return ($status,$output);
! 681: }
! 682:
1.1 raeburn 683: sub jump_to_role {
684: my ($role) = @_;
685: my $output = <<"END";
686: <script type="text/javascript">
687: function SelectRole() {
688: document.rolechoice.selectrole.value = '1';
689: document.rolechoice.submit();
690: }
691: </script>
692: END
693: $output .= '<a href="javascript:SelectRole()">'."\n".
694: &mt('Enter course now').'</a>'."\n".
1.9 raeburn 695: '<form name="rolechoice" action="/adm/roles" method="post">'."\n".
1.1 raeburn 696: '<input type="hidden" name="selectrole" value="" />'."\n".
697: '<input type="hidden" name="'.$role.'" value="1" />'."\n".
698: '</form>';
699: return $output;
700: }
701:
702: sub get_selfenroll_filters {
703: my ($selfenroll_types,$domain) = @_;
704: my (%enrolltypes,%longtypes,$alldoms);
705: my @selfenrolldoms = split(/;/,$selfenroll_types);
706: foreach my $item (@selfenrolldoms) {
707: my ($selfdom,$type_str) = split(/:/,$item);
708: if ($selfdom eq '*') {
709: $alldoms = 1;
710: last;
711: }
712: if ($domain ne '') {
713: next if ($selfdom ne $domain);
714: }
715: if ($selfdom =~ /^$match_domain$/) {
716: if (&Apache::lonnet::domain($selfdom) ne '') {
717: my @types = split(/,/,$type_str);
1.13 raeburn 718: my @unesc_types = map { &unescape($_); } @types;
1.1 raeburn 719: my ($othertitle,$usertypes,$types) =
720: &Apache::loncommon::sorted_inst_types($selfdom);
721: if (ref($usertypes) eq 'HASH') {
1.9 raeburn 722: my $anytype = 1;
723: foreach my $key (keys(%{$usertypes})) {
1.13 raeburn 724: if (!grep(/^\Q$key\E$/,@unesc_types)) {
1.9 raeburn 725: $anytype = 0;
726: last;
727: }
728: }
729: if ($anytype) {
730: if (!(grep(/^other$/,@types))) {
731: $anytype = 0;
732: }
733: }
734: $usertypes->{'any'} = &mt('Any users');
735: $usertypes->{'other'} = &mt('Others');
1.13 raeburn 736: my @showtypes;
1.9 raeburn 737: if ($anytype) {
738: @{$enrolltypes{$selfdom}} = ('any');
1.13 raeburn 739: @showtypes = ('any');
1.9 raeburn 740: } else {
741: @{$enrolltypes{$selfdom}} = @types;
1.13 raeburn 742: @showtypes = @unesc_types;
1.9 raeburn 743: }
744: @{$longtypes{$selfdom}} =
1.13 raeburn 745: map {$usertypes->{$_}} @showtypes;
1.1 raeburn 746: }
747: }
748: }
749: }
750: return (\%enrolltypes,\%longtypes,$alldoms);
751: }
752:
753: sub print_selfenroll_types {
754: my ($longtypes,$domain) = @_;
755: my $output;
756: if (ref($longtypes) eq 'HASH') {
1.9 raeburn 757: if ($domain ne '') {
758: my $domdesc = &Apache::lonnet::domain($domain,'description');
759: if (ref($longtypes->{$domain}) eq 'ARRAY') {
760: if (grep(/^any$/,@{$longtypes->{$domain}})) {
761: $output = &mt('Self-enrollment in this course is available to any user affiliated with [_1].',$domdesc);
762: } else {
763: my $status_str = join(', ',@{$longtypes->{$domain}});
764: $output = &mt('Self-enrollment in this course is only available to users affiliated with [_1] who have the following status: "[_2]".',$domdesc,$status_str);
1.1 raeburn 765: }
766: } else {
1.9 raeburn 767: $output = &mt('Self-enrollment is not currently available for this course for users affiliated with [_1].',$domdesc);
768: }
769: } elsif (keys(%{$longtypes}) > 0) {
1.12 raeburn 770: $output = &mt('Self-enrollment in this course is only available to users affiliated with the following institutions, and who have the required status:').' <ul>'."\n";
1.9 raeburn 771: foreach my $selfdom (sort(keys(%{$longtypes}))) {
772: my $selfdomdesc = &Apache::lonnet::domain($selfdom,'description');
773: if (ref($longtypes->{$selfdom}) eq 'ARRAY') {
1.12 raeburn 774: $output .= '<li>'.$selfdomdesc.': '.join(', ',@{$longtypes->{$selfdom}}).'</li>'."\n";
1.1 raeburn 775: }
776: }
1.12 raeburn 777: $output .= '</ul>'."\n";
1.1 raeburn 778: } else {
1.5 bisitz 779: $output = &mt('Self-enrollment is not currently available for this course.');
1.1 raeburn 780: }
781: }
782: return $output;
783: }
784:
785: sub check_registered {
786: my ($cdom,$cnum) = @_;
787: my ($registered,$instsec,$message);
788: my %settings = &Apache::lonnet::get('environment',['internal.coursecode',
789: 'internal.sectionnums',
790: 'internal.crosslistings'],$cdom,$cnum);
791: my (@allcourses,%LC_code,%affiliates,%reply);
792: &Apache::loncommon::get_institutional_codes(\%settings,\@allcourses,\%LC_code);
793: if (@allcourses > 0) {
794: @{$affiliates{$cnum}} = @allcourses;
795: my $outcome = &Apache::lonnet::fetch_enrollment_query('updatenow',\%affiliates,\%reply,$cdom,$cnum);
796: if ($outcome eq 'ok') {
797: if ($reply{$cnum} > 0) {
798: foreach my $class (@allcourses) {
799: my %enrolled;
800: my $dir = $Apache::lonnet::perlvar{'lonDaemons'};
801: my %place = &LONCAPA::Enrollment::place_hash();
802: &LONCAPA::Enrollment::parse_classlist($dir,$cdom,$cnum,$class,
803: \%place,$LC_code{$class},\%enrolled);
804: if (defined($enrolled{$env{'user.name'}})) {
805: $registered = 1;
806: $instsec = $LC_code{$class};
807: last;
808: }
809: }
810: } else {
811: $message = &mt('Your registration status could not be verified.');
812: }
813: } else {
814: $message = &mt('Your registration status could not determined, because a problem occurred retrieving data.');
815: }
816: } else {
817: $message = &mt('As no institutional course sections are currently associated with this course, your registration status is undetermined.');
818: }
819: return ($registered,$instsec,$message);
820: }
821:
822: 1;
823:
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