Annotation of loncom/interface/selfenroll.pm, revision 1.14
1.1 raeburn 1: # The LearningOnline Network
2: # Allow users to self-enroll in a course
3: #
1.14 ! raeburn 4: # $Id: selfenroll.pm,v 1.13 2008/07/17 20:08:17 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;
1.1 raeburn 37: use LONCAPA qw(:DEFAULT :match);
38:
39: sub handler {
40: my $r = shift;
41: &Apache::loncommon::content_type($r,'text/html');
42: $r->send_http_header;
43: if ($r->header_only) {
44: return OK;
45: }
46: my $handle = &Apache::lonnet::check_for_valid_session($r);
47: my $lonidsdir=$r->dir_config('lonIDsDir');
1.10 raeburn 48: my $lonhost = $r->dir_config('lonHostID');
1.1 raeburn 49: if ($handle ne '') {
50: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
51: }
52: &Apache::lonacc::get_posted_cgi($r);
53: &Apache::lonlocal::get_language_handle($r);
1.12 raeburn 54: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['courseid']);
55: my $js = &Apache::createaccount::catreturn_js();
56: my ($coursechk,$courseid) = &validate_course_id($env{'form.courseid'});
1.1 raeburn 57: if ($coursechk ne 'ok') {
1.12 raeburn 58: &page_header($r,$courseid,$js);
1.9 raeburn 59: $r->print('<h3>'.&mt('Self-enrollment error').'</h3>'.
1.10 raeburn 60: '<span class="LC_error">'.
61: &mt('Invalid domain or course number').'</span>');
1.12 raeburn 62: &page_footer($r);
1.1 raeburn 63: return OK;
64: }
1.10 raeburn 65: my $now = time;
66: if ($env{'form.phase'} eq 'login') {
1.12 raeburn 67: $js .= "\n".&Apache::createaccount::javascript_setforms($now);
1.10 raeburn 68: }
1.12 raeburn 69: my %coursehash = &Apache::lonnet::coursedescription($courseid);
70: my $cdom = $coursehash{'domain'};
71: my $cnum = $coursehash{'num'};
72: my $desc = $coursehash{'description'};
73: &page_header($r,$courseid,$js,$desc);
1.10 raeburn 74: my $include = $r->dir_config('lonIncludes');
75: if ($env{'form.phase'} eq 'login') {
76: my $jsh=Apache::File->new($include."/londes.js");
77: $r->print(<$jsh>);
78: }
1.12 raeburn 79: my ($canenroll,$selfenroll_types,$selfenroll_registered,@cancreate,
80: $knownuser,$selfenroll_access_start,$selfenroll_access_end,
81: $selfenroll_section,$selfenroll_future,%curr_role,$cdomdesc);
1.1 raeburn 82: $selfenroll_types = $coursehash{'internal.selfenroll_types'};
83: $selfenroll_registered = $coursehash{'internal.selfenroll_registered'};
84: $selfenroll_section = $coursehash{'internal.selfenroll_section'};
85: $selfenroll_access_start = $coursehash{'internal.selfenroll_start_access'};
86: $selfenroll_access_end = $coursehash{'internal.selfenroll_end_access'};
87: if ($selfenroll_types ne '') {
88: my $start = $coursehash{'internal.selfenroll_start_date'};
89: my $end = $coursehash{'internal.selfenroll_end_date'};
1.9 raeburn 90: if (($start > 0 && $start < $now) && (($end == 0) || ($end > 0 && $end > $now))) {
1.1 raeburn 91: $canenroll = 1;
1.9 raeburn 92: } elsif (($end == 0) || ($end > 0 && $end > $now)) {
93: if ($start > $now) {
94: $selfenroll_future = &Apache::lonlocal::locallocaltime($start);
95: }
1.1 raeburn 96: }
97: }
1.9 raeburn 98: $knownuser = &user_is_known();
1.1 raeburn 99: if (!$canenroll) {
1.9 raeburn 100: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3><span class="LC_warning">'.
101: &mt('Self-enrollment is not currently available for this course.').
102: '</span><br /><br />');
103: if ($selfenroll_types ne '') {
104: if ($selfenroll_future ne '') {
105: if ($selfenroll_types eq '*') {
106: $r->print(&mt('Self-enrollment will become available starting [_1], and will be available to all LON-CAPA users.',$selfenroll_future).'<br />');
107: } else {
108: my ($enrolltypes,$longtypes,$alldoms);
109: if ($knownuser) {
110: &get_selfenroll_filters($selfenroll_types,$env{'user.domain'});
111: my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
112: if (ref($enrolltypes) eq 'HASH') {
113: if (ref($enrolltypes->{$env{'user.domain'}}) eq 'ARRAY') {
114: if (grep(/^any$/,@{$enrolltypes->{$env{'user.domain'}}})) {
115: $r->print(&mt('Self-enrollment will become available starting [_1], and will be available to all LON-CAPA users at your institution ([_2]).',
116: $selfenroll_future,$domdesc).'<br />');
117:
118: } else {
119: if (&user_can_selfenroll($env{'user.domain'},
120: $env{'user.name'},
121: $enrolltypes->{$env{'user.domain'}})) {
122: $r->print(&mt('Self-enrollment will become available starting [_1]; please enroll at that time.',$selfenroll_future));
123: } else {
124: $r->print(&mt('Although self-enrollment will become available starting [_1], you are ineligible for enrollment.',$selfenroll_future).'<br />');
125: $r->print(&print_selfenroll_types($longtypes,$env{'user.domain'}));
126: }
127: }
128: }
129: }
130: } else {
131: $r->print(&mt('Self-enrollment will become available starting [_1].',
132: $selfenroll_future).'<br />');
133: $r->print(&print_selfenroll_types($longtypes));
134: }
135: }
136: }
137: }
1.1 raeburn 138: }
139: if ($knownuser) {
140: foreach my $key (keys(%env)) {
141: if ($key =~ m-^user\.role\.st\./$cdom/$cnum/?(\w*)$-) {
142: my $sec = $1;
143: my ($start,$end) = split(/\./,$env{$key});
144: my $status = 'active';
145: if (($end) && ($end<=$now)) {
146: $status = 'previous';
147: }
148: if (($start) && ($now<$start)) {
149: $status = 'future';
150: }
151: if ($status eq 'active' || $status eq 'future') {
152: $curr_role{'status'} = $status;
153: $curr_role{'section'} = $sec;
1.7 raeburn 154: if ($curr_role{'section'} eq '') {
155: $curr_role{'section'} = &mt('none');
156: }
1.1 raeburn 157: $curr_role{'start'} = &Apache::lonlocal::locallocaltime($start);
158: $curr_role{'role'} = 'st./'.$cdom.'/'.$cnum;
159: if ($sec ne '') {
160: $curr_role{'role'} .= '/'.$sec;
161: }
162: }
163: }
164: }
165: }
166: if (!$canenroll) {
167: if (keys(%curr_role)) {
168: $r->print(&has_role(%curr_role));
169: }
1.12 raeburn 170: &page_footer($r);
1.1 raeburn 171: return OK;
172: }
1.3 raeburn 173: @cancreate = &can_create($cdom);
1.12 raeburn 174: my ($form,$login_path,$firsturl,$create_path,$sso_url,$missing_formitem);
175: $form = 'logmein';
1.1 raeburn 176: $login_path = '/adm/login';
1.12 raeburn 177: $firsturl= '/adm/selfenroll?courseid='.$courseid;
1.1 raeburn 178: $create_path = '/adm/createaccount';
179: $sso_url = $r->dir_config('lonSSOReloginServer');
180: if ($sso_url eq '') {
181: $sso_url = $login_path;
182: }
1.11 raeburn 183: $missing_formitem = &mt('The link to the requested page could not be followed.')."\\n".&mt('The placeholder for the courseID is absent.');
1.1 raeburn 184: if ($knownuser) {
185: if (keys(%curr_role)) {
1.9 raeburn 186: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
187: '<span class="LC_warning">'.&has_role(%curr_role).'</span>');
1.12 raeburn 188: &page_footer($r);
1.1 raeburn 189: return OK;
190: }
191: &process_self_enroll($r,$cdom,$cnum,$selfenroll_types,$selfenroll_registered,
192: $selfenroll_access_start,$selfenroll_access_end,
193: $selfenroll_section,$now);
1.10 raeburn 194: } elsif ($env{'form.phase'} eq 'login') {
195: my $submit_text = &mt('Log in');
196: $r->print('<h3>'.&mt('Log-in to LON-CAPA').'</h3>');
197: my $udom = &Apache::lonnet::default_login_domain();
1.12 raeburn 198: $r->print(&Apache::createaccount::login_box($now,$lonhost,$courseid,
1.10 raeburn 199: $submit_text,$udom,'selfenroll'));
1.12 raeburn 200: $r->print(&mt('You will be able to self-enroll in the course you selected ([_1]) after you have successfully logged in.','<b>'.$desc.'</b>'));
201: &page_footer($r);
1.10 raeburn 202: return OK;
1.3 raeburn 203: } elsif (@cancreate > 0) {
1.1 raeburn 204: $r->print(<<END);
205: <script type="text/javascript">
1.12 raeburn 206: function setPath(formname,formaction,item,arg) {
207: var formidx = getFormByName(formname);
208: if (formidx > -1) {
209: if (formaction != '') {
210: document.forms[formidx].action = formaction;
211: }
212: var itemid = getIndexByName(formidx,'setting');
213: if (itemid > -1) {
214: document.forms[formidx].elements[itemid].name = item;
215: document.forms[formidx].elements[itemid].value = arg;
216: document.forms[formidx].submit();
217: } else {
218: alert("$missing_formitem");
219: }
1.1 raeburn 220: }
221: return;
222: }
223:
224: </script>
225: END
1.9 raeburn 226: $r->print('<h3>'.&mt('LON-CAPA account required').'</h3>'.
1.12 raeburn 227: &mt('You need to be logged into LON-CAPA to self-enroll in a course.').'<ul><li>'.&mt('If you have an account in LON-CAPA, [_1]log-in[_2].','<a href="javascript:setPath('."'$form','','phase','login'".')">','</a>').'</li>');
1.3 raeburn 228: if (@cancreate > 1) {
229: $r->print('<li>'.&mt('Otherwise:').'<br />');
230: my $count = 0;
231: foreach my $type ('sso','login','email') {
1.4 raeburn 232: if (($count > 0) && ($count <@cancreate)) {
1.3 raeburn 233: $r->print(' , '.&mt('or').'<br />');
234: }
235: if (grep(/^$type$/,@cancreate)) {
236: if ($type eq 'sso') {
1.12 raeburn 237: $r->print(' '.&mt("if you have an institutional log-in, use your institution's [_1]single sign on page[_2] to log-in, then create an account",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
1.3 raeburn 238: } elsif ($type eq 'login') {
1.12 raeburn 239: $r->print(' '.&mt('if you have an institutional login, [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 240: } elsif ($type eq 'email') {
1.12 raeburn 241: $r->print(' '.&mt('you can use an e-mail address to [_1]create an account[_2]','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 242: }
243: $count ++;
244: }
245: }
246: $r->print('.<br />');
247: } else {
248: if ($cancreate[0] eq 'login') {
1.12 raeburn 249: $r->print('<li>'.&mt('Otherwise, if you have an institutional login, [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 250: } elsif ($cancreate[0] eq 'email') {
1.12 raeburn 251: $r->print('<li>'.&mt('Otherwise, you will use an e-mail address to [_1]create an account[_2].','<a href="javascript:setPath('."'$form','$create_path','context','selfenroll_create'".')">','</a>'));
1.3 raeburn 252: } elsif ($cancreate[0] eq 'sso') {
1.12 raeburn 253: $r->print('<li>'.&mt("Otherwise, use your institution's [_1]single sign on page[_2] to log-in, then create an account.",'<a href="javascript:setPath('."'$form','$sso_url','firsturl','$firsturl'".')">','</a>'));
1.3 raeburn 254: }
1.1 raeburn 255: }
256: if ($selfenroll_types eq '*') {
1.9 raeburn 257: $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 258: } else {
259: $r->print('</li></ul>');
260: my ($enrolltypes,$longtypes,$alldoms) =
1.9 raeburn 261: &get_selfenroll_filters($selfenroll_types);
262: $r->print(&print_selfenroll_types($longtypes));
1.1 raeburn 263: }
264: } else {
1.9 raeburn 265: my $cdomdesc = &Apache::lonnet::domain($cdom,'description');
266: $r->print('<h3>'.&mt('LON-CAPA account required').'</h3>');
267: $r->print(&mt('You must [_1]log-in[_2] to LON-CAPA with an existing account to be able to enroll in this course, as account creation at this institution ([_3]) is not permitted when self-enrolling.','<a href="'.$login_path.'">','</a>',$cdomdesc));
1.1 raeburn 268: if ($selfenroll_types ne '*') {
269: my ($enrolltypes,$longtypes,$alldoms) =
270: &get_selfenroll_filters($selfenroll_types);
1.9 raeburn 271: $r->print('<br />'.&print_selfenroll_types($longtypes));
1.1 raeburn 272: }
1.9 raeburn 273: my $displayurl = &escape($firsturl);
274: $r->print(&mt('Submit a request to the LON-CAPA [_1]helpdesk[_2] for [_3] if you require assistance.','<a href="/adm/helpdesk?origurl='.$displayurl.'">','</a>',$cdomdesc));
1.1 raeburn 275: }
1.12 raeburn 276: $r->print("\n".'<form name="'.$form.'" method="post" action="">'."\n".
277: '<input type="hidden" name="courseid" value="'.$courseid.'" />'."\n".
1.1 raeburn 278: '<input type="hidden" name="setting" value=""/>'."\n".
1.12 raeburn 279: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','context','phase'])."\n".
280: '</form>'."\n");
281: &page_footer($r);
1.1 raeburn 282: return OK;
283: }
284:
1.10 raeburn 285: sub page_header {
1.12 raeburn 286: my ($r,$courseid,$js,$desc) = @_;
1.10 raeburn 287: my $start_page =
288: &Apache::loncommon::start_page('Self-enroll in a LON-CAPA course',$js,
289: {'no_inline_link' => 1,});
290: $r->print($start_page);
291: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.12 raeburn 292: &Apache::createaccount::selfenroll_crumbs($r,$courseid,$desc);
1.10 raeburn 293: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Self-enroll in course'));
294: return;
295: }
296:
1.12 raeburn 297: sub page_footer {
298: my ($r) = @_;
299: $r->print('<form name="backupcrumbs" method="post" action="/adm/coursecatalog">'."\n".
300: &Apache::lonhtmlcommon::echo_form_input(['backto','courseid','phase','context']).
301: '</form>'.&Apache::loncommon::end_page());
302: return;
303: }
304:
1.1 raeburn 305: sub validate_course_id {
1.12 raeburn 306: my ($courseid) = @_;
307: my ($cdom,$cnum) = ($env{'form.courseid'} =~ /^($match_domain)_($match_courseid)$/);
1.1 raeburn 308: if ($cdom ne '' && $cnum ne '') {
309: if (&Apache::lonnet::is_course($cdom,$cnum)) {
1.12 raeburn 310: return ('ok',$courseid);
1.1 raeburn 311: }
312: }
313: return;
314: }
315:
316: sub user_is_known {
317: my $known = 0;
318: if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public'
319: && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') {
320: $known = 1;
321: }
322: return $known;
323: }
324:
325: sub can_create {
326: my ($cdom) = @_;
1.3 raeburn 327: my @cancreate;
1.1 raeburn 328: my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$cdom);
329: if (ref($domconfig{'usercreation'}) eq 'HASH') {
330: if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') {
331: if ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') {
1.3 raeburn 332: if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') {
333: @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}};
334: } else {
335: if (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') &&
336: ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) {
337: @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'});
338: }
339: }
1.1 raeburn 340: }
341: }
342: }
1.3 raeburn 343: return @cancreate;
1.1 raeburn 344: }
345:
346: sub has_role {
347: my (%curr_role) = @_;
348: my $output;
349: if ($curr_role{'status'} eq 'active') {
350: my $rolelink = &jump_to_role($curr_role{'role'});
1.9 raeburn 351: $output = &mt('You already have an active student role (section: "[_1]") in this course.',$curr_role{'section'}).'<br>'.$rolelink;
1.1 raeburn 352: } elsif ($curr_role{'status'} eq 'future') {
1.9 raeburn 353: $output = &mt('You have a student role (section: "[_1]") in this course which will become active [_2].',$curr_role{'section'},$curr_role{'start'});
1.1 raeburn 354: }
355: return $output;
356: }
357:
358: sub process_self_enroll {
359: my ($r,$cdom,$cnum,$selfenroll_types,$selfenroll_registered,
360: $selfenroll_access_start,$selfenroll_access_end,$selfenroll_section,$now) = @_;
361: my $udom = $env{'user.domain'};
362: my $uname = $env{'user.name'};
363: my $selfenroll = 0;
1.9 raeburn 364: my ($enrolltypes,$longtypes,$alldoms);
365: if ($selfenroll_types eq '*') {
1.1 raeburn 366: $selfenroll = 1;
1.9 raeburn 367: } else {
368: ($enrolltypes,$longtypes,$alldoms) =
369: &get_selfenroll_filters($selfenroll_types,$udom);
370: if ($alldoms) {
371: $selfenroll = 1;
372: } elsif (ref($enrolltypes) eq 'HASH') {
373: if (ref($enrolltypes->{$udom}) eq 'ARRAY') {
374: if (grep(/^any$/,@{$enrolltypes->{$udom}})) {
375: $selfenroll = 1;
376: } else {
377: $selfenroll = &user_can_selfenroll($udom,$uname,$enrolltypes->{$udom});
1.1 raeburn 378: }
379: }
380: }
381: }
382: if ($selfenroll) {
383: my $usec = $selfenroll_section;
384: if ($selfenroll_section eq 'none') {
385: $usec = '';
386: }
387: if ($selfenroll_registered) {
388: my ($registered,$instsec,$message) = &check_registered($cdom,$cnum);
389: $usec = $instsec;
390: if (!$registered) {
1.9 raeburn 391: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.&mt('Self-enrollment is restricted to students officially registered for this course.').'<br />');
1.1 raeburn 392: if ($message) {
393: $r->print($message);
394: } else {
395: $r->print(&mt('As you are not currently registered for this course, self-enrollment is unavailable.'));
396: }
397: return;
398: }
399: }
400: my $enrollresult =
401: &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,
1.6 raeburn 402: undef,undef,$usec,$selfenroll_access_end,$selfenroll_access_start,
403: 'manual',undef,$cdom.'_'.$cnum,$selfenroll);
1.1 raeburn 404: if ($enrollresult eq 'ok') {
405: my (%userroles,%newrole,%newgroups);
406: my $role = 'st';
407: my $area = '/'.$cdom.'/'.$cnum;
408: my $spec = $role.'.'.$area;
409: if ($usec ne '') {
410: $spec .= '/'.$usec;
411: $area .= '/'.$usec;
412: }
413: &Apache::lonnet::standard_roleprivs(\%newrole,$role,$cdom,$spec,$cnum,
414: $area);
415: &Apache::lonnet::set_userprivs(\%userroles,\%newrole,%newgroups);
416: $userroles{'user.role.'.$spec} = $selfenroll_access_start.'.'.$selfenroll_access_end;
1.8 raeburn 417: &Apache::lonnet::appenv(\%userroles,[$role,'cm']);
1.9 raeburn 418: $r->print('<h3>'.&mt('Enrollment process complete').'</h3>');
1.1 raeburn 419: if ($selfenroll_access_end && $selfenroll_access_end <= $now) {
420: $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.'));
421: } else {
422: $r->print(&mt('Self-enrollment in this course was successful.').'<br />');
423: my $showstart = &Apache::lonlocal::locallocaltime($selfenroll_access_start);
424: my $showend = &Apache::lonlocal::locallocaltime($selfenroll_access_end);
425: if ($selfenroll_access_start && $selfenroll_access_start >$now) {
426: $r->print(&mt('The start date for access to this course for users who self-enroll has yet to be reached.').'<br />'.&mt('Consequently, although a new role was created for you in the course, you will not be able to select this role until [_1].',$showstart));
427: } else {
428: my $newrole = 'st./'.$cdom.'/'.$cnum;
429: if ($usec ne '') {
430: $newrole .= '/'.$usec;
431: }
432: my $rolelink = &jump_to_role($newrole);
433: $r->print(&mt('Your new role is available immediately, and will provide access to the course until [_1].',$showend).'<br /><br />'."\n".
434: $rolelink);
435: }
436: }
437: } else {
1.9 raeburn 438: $r->print('<h3>'.&mt('Enrollment incomplete').'</h3>'.
439: &mt('Self-enrollment in this course failed.'));
1.1 raeburn 440: if ($enrollresult ne '') {
441: $r->print('<span class="LC_error">'.$enrollresult.'</span>');
442: }
443: }
444: } else {
1.9 raeburn 445: $r->print('<h3>'.&mt('Self-enrollment unavailable').'</h3>'.
446: &mt('You are not permitted to enroll yourself in this course.').'<br />');
1.1 raeburn 447: $r->print(&print_selfenroll_types($longtypes));
448: }
449: return;
450: }
451:
1.9 raeburn 452: sub user_can_selfenroll {
453: my ($udom,$uname,$domenrolltypes) = @_;
454: my $selfenroll = 0;
1.13 raeburn 455: my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'inststatus');
1.9 raeburn 456: my @inststatuses;
457: if ($userhash{'inststatus'} eq '') {
458: push(@inststatuses,'other');
459: } else {
1.13 raeburn 460: @inststatuses = split(':',$userhash{'inststatus'});
1.9 raeburn 461: }
462: foreach my $type (@inststatuses) {
463: if (ref($domenrolltypes) eq 'ARRAY') {
464: if (grep(/^\Q$type\E$/,@{$domenrolltypes})) {
465: $selfenroll = 1;
466: last;
467: }
468: }
469: }
470: return $selfenroll;
471: }
472:
1.1 raeburn 473: sub jump_to_role {
474: my ($role) = @_;
475: my $output = <<"END";
476: <script type="text/javascript">
477: function SelectRole() {
478: document.rolechoice.selectrole.value = '1';
479: document.rolechoice.submit();
480: }
481: </script>
482: END
483: $output .= '<a href="javascript:SelectRole()">'."\n".
484: &mt('Enter course now').'</a>'."\n".
1.9 raeburn 485: '<form name="rolechoice" action="/adm/roles" method="post">'."\n".
1.1 raeburn 486: '<input type="hidden" name="selectrole" value="" />'."\n".
487: '<input type="hidden" name="'.$role.'" value="1" />'."\n".
488: '</form>';
489: return $output;
490: }
491:
492: sub get_selfenroll_filters {
493: my ($selfenroll_types,$domain) = @_;
494: my (%enrolltypes,%longtypes,$alldoms);
495: my @selfenrolldoms = split(/;/,$selfenroll_types);
496: foreach my $item (@selfenrolldoms) {
497: my ($selfdom,$type_str) = split(/:/,$item);
498: if ($selfdom eq '*') {
499: $alldoms = 1;
500: last;
501: }
502: if ($domain ne '') {
503: next if ($selfdom ne $domain);
504: }
505: if ($selfdom =~ /^$match_domain$/) {
506: if (&Apache::lonnet::domain($selfdom) ne '') {
507: my @types = split(/,/,$type_str);
1.13 raeburn 508: my @unesc_types = map { &unescape($_); } @types;
1.1 raeburn 509: my ($othertitle,$usertypes,$types) =
510: &Apache::loncommon::sorted_inst_types($selfdom);
511: if (ref($usertypes) eq 'HASH') {
1.9 raeburn 512: my $anytype = 1;
513: foreach my $key (keys(%{$usertypes})) {
1.13 raeburn 514: if (!grep(/^\Q$key\E$/,@unesc_types)) {
1.9 raeburn 515: $anytype = 0;
516: last;
517: }
518: }
519: if ($anytype) {
520: if (!(grep(/^other$/,@types))) {
521: $anytype = 0;
522: }
523: }
524: $usertypes->{'any'} = &mt('Any users');
525: $usertypes->{'other'} = &mt('Others');
1.13 raeburn 526: my @showtypes;
1.9 raeburn 527: if ($anytype) {
528: @{$enrolltypes{$selfdom}} = ('any');
1.13 raeburn 529: @showtypes = ('any');
1.9 raeburn 530: } else {
531: @{$enrolltypes{$selfdom}} = @types;
1.13 raeburn 532: @showtypes = @unesc_types;
1.9 raeburn 533: }
534: @{$longtypes{$selfdom}} =
1.13 raeburn 535: map {$usertypes->{$_}} @showtypes;
1.1 raeburn 536: }
537: }
538: }
539: }
540: return (\%enrolltypes,\%longtypes,$alldoms);
541: }
542:
543: sub print_selfenroll_types {
544: my ($longtypes,$domain) = @_;
545: my $output;
546: if (ref($longtypes) eq 'HASH') {
1.9 raeburn 547: if ($domain ne '') {
548: my $domdesc = &Apache::lonnet::domain($domain,'description');
549: if (ref($longtypes->{$domain}) eq 'ARRAY') {
550: if (grep(/^any$/,@{$longtypes->{$domain}})) {
551: $output = &mt('Self-enrollment in this course is available to any user affiliated with [_1].',$domdesc);
552: } else {
553: my $status_str = join(', ',@{$longtypes->{$domain}});
554: $output = &mt('Self-enrollment in this course is only available to users affiliated with [_1] who have the following status: "[_2]".',$domdesc,$status_str);
1.1 raeburn 555: }
556: } else {
1.9 raeburn 557: $output = &mt('Self-enrollment is not currently available for this course for users affiliated with [_1].',$domdesc);
558: }
559: } elsif (keys(%{$longtypes}) > 0) {
1.12 raeburn 560: $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 561: foreach my $selfdom (sort(keys(%{$longtypes}))) {
562: my $selfdomdesc = &Apache::lonnet::domain($selfdom,'description');
563: if (ref($longtypes->{$selfdom}) eq 'ARRAY') {
1.12 raeburn 564: $output .= '<li>'.$selfdomdesc.': '.join(', ',@{$longtypes->{$selfdom}}).'</li>'."\n";
1.1 raeburn 565: }
566: }
1.12 raeburn 567: $output .= '</ul>'."\n";
1.1 raeburn 568: } else {
1.5 bisitz 569: $output = &mt('Self-enrollment is not currently available for this course.');
1.1 raeburn 570: }
571: }
572: return $output;
573: }
574:
575: sub check_registered {
576: my ($cdom,$cnum) = @_;
577: my ($registered,$instsec,$message);
578: my %settings = &Apache::lonnet::get('environment',['internal.coursecode',
579: 'internal.sectionnums',
580: 'internal.crosslistings'],$cdom,$cnum);
581: my (@allcourses,%LC_code,%affiliates,%reply);
582: &Apache::loncommon::get_institutional_codes(\%settings,\@allcourses,\%LC_code);
583: if (@allcourses > 0) {
584: @{$affiliates{$cnum}} = @allcourses;
585: my $outcome = &Apache::lonnet::fetch_enrollment_query('updatenow',\%affiliates,\%reply,$cdom,$cnum);
586: if ($outcome eq 'ok') {
587: if ($reply{$cnum} > 0) {
588: foreach my $class (@allcourses) {
589: my %enrolled;
590: my $dir = $Apache::lonnet::perlvar{'lonDaemons'};
591: my %place = &LONCAPA::Enrollment::place_hash();
592: &LONCAPA::Enrollment::parse_classlist($dir,$cdom,$cnum,$class,
593: \%place,$LC_code{$class},\%enrolled);
594: if (defined($enrolled{$env{'user.name'}})) {
595: $registered = 1;
596: $instsec = $LC_code{$class};
597: last;
598: }
599: }
600: } else {
601: $message = &mt('Your registration status could not be verified.');
602: }
603: } else {
604: $message = &mt('Your registration status could not determined, because a problem occurred retrieving data.');
605: }
606: } else {
607: $message = &mt('As no institutional course sections are currently associated with this course, your registration status is undetermined.');
608: }
609: return ($registered,$instsec,$message);
610: }
611:
612: 1;
613:
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