1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.152 2006/12/21 19:41:03 albertel Exp $
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: ###############################################################
30: ##############################################################
31:
32: package Apache::londropadd;
33:
34: use strict;
35: use Apache::lonnet;
36: use Apache::loncommon();
37: use Apache::lonhtmlcommon();
38: use Apache::Constants qw(:common :http REDIRECT);
39: use Spreadsheet::WriteExcel;
40: use Apache::lonstathelpers();
41: use Apache::lonlocal;
42: use Apache::longroup;
43: use LONCAPA();
44:
45: ###############################################################
46: ###############################################################
47: sub header {
48: my $start_page=&Apache::loncommon::start_page('Enrollment Manager');
49: return(<<ENDHEAD);
50: $start_page
51: <form method="post" enctype="multipart/form-data"
52: action="/adm/dropadd" name="studentform">
53: ENDHEAD
54: }
55:
56: ###############################################################
57: ###############################################################
58: # Drop student from all sections of a course, except optional $csec
59: sub modifystudent {
60: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
61: # if $csec is undefined, drop the student from all the courses matching
62: # this one. If $csec is defined, drop them from all other sections of
63: # this course and add them to section $csec
64: my $cdom = $env{'course.'.$courseid.'.domain'};
65: my $cnum = $env{'course.'.$courseid.'.num'};
66: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
67: my ($tmp) = keys(%roles);
68: # Bail out if we were unable to get the students roles
69: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
70: # Go through the roles looking for enrollment in this course
71: my $result = '';
72: foreach my $course (keys(%roles)) {
73: if ($course=~m{^/\Q$cdom\E/\Q$cnum\E(?:\/)*(?:\s+)*(\w+)*\_st$}) {
74: # We are in this course
75: my $section=$1;
76: $section='' if ($course eq "/$cdom/$cnum".'_st');
77: if (defined($csec) && $section eq $csec) {
78: $result .= 'ok:';
79: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
80: my (undef,$end,$start)=split(/\_/,$roles{$course});
81: my $now=time;
82: # if this is an active role
83: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
84: my $reply=&Apache::lonnet::modifystudent
85: # dom name id mode pass f m l g
86: ($udom,$unam,'', '', '',undef,undef,undef,undef,
87: $section,time,undef,undef,$desiredhost);
88: $result .= $reply.':';
89: }
90: }
91: }
92: }
93: if ($result eq '') {
94: $result = 'Unable to find section for this student';
95: } else {
96: $result =~ s/(ok:)+/ok/g;
97: }
98: return $result;
99: }
100:
101: ###############################################################
102: ###############################################################
103: # build a domain and server selection form
104: sub domain_form {
105: my ($defdom) = @_;
106: # Set up domain and server selection forms
107: #
108: # Get the domains
109: my @domains = &Apache::loncommon::get_domains();
110: # build up the menu information to be passed to
111: # &Apache::loncommon::linked_select_forms
112: my %select_menus;
113: foreach my $dom (@domains) {
114: # set up the text for this domain
115: $select_menus{$dom}->{'text'}= $dom;
116: # we want a choice of 'default' as the default in the second menu
117: $select_menus{$dom}->{'default'}= 'default';
118: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
119: # Now build up the other items in the second menu
120: my %servers = &Apache::loncommon::get_library_servers($dom);
121: foreach my $server (keys(%servers)) {
122: $select_menus{$dom}->{'select2'}->{$server}
123: = "$server $servers{$server}";
124: }
125: }
126: my $result = &Apache::loncommon::linked_select_forms
127: ('studentform',' with home server ',$defdom,
128: 'lcdomain','lcserver',\%select_menus);
129: return $result;
130: }
131:
132: ###############################################################
133: ###############################################################
134: # Menu Phase One
135: sub print_main_menu {
136: my ($r,$enrl_permission,$view_permission,$grp_manage_permission,
137: $grp_view_permission)=@_;
138: #
139: my $cid =$env{'request.course.id'};
140: my $cdom=$env{'course.'.$cid.'.domain'};
141: my $cnum=$env{'course.'.$cid.'.num'};
142: my @menu =
143: (
144: { text => 'Upload a class list',
145: help => 'Course_Create_Class_List',
146: action => 'upload',
147: permission => $enrl_permission,
148: },
149: { text => 'Enroll a single student',
150: help => 'Course_Add_Student',
151: action => 'enrollstudent',
152: permission => $enrl_permission,
153: },
154: { text => 'Modify student data',
155: help => 'Course_Modify_Student_Data',
156: action => 'modifystudent',
157: permission => $enrl_permission,
158: },
159: { text => 'View Class List',
160: help => 'Course_View_Class_List',
161: action => 'classlist',
162: permission => $view_permission,
163: },
164: { text => 'Drop Students',
165: help => 'Course_Drop_Student',
166: action => 'drop',
167: permission => $enrl_permission,
168: },
169: { text => 'Automated Enrollment Manager',
170: permission => &Apache::lonnet::auto_run($cnum,$cdom),
171: url => '/adm/populate',
172: },
173: { text => 'Create a new group',
174: help => 'Course_Create_Group',
175: permission => $grp_manage_permission,
176: url => '/adm/coursegroups?refpage=enrl&action=create',
177: },
178: { text => 'Modify an existing group',
179: help => 'Course_Modify_Group',
180: permission => $grp_manage_permission,
181: url => '/adm/coursegroups?refpage=enrl&action=modify',
182: },
183: # { text => 'Delete an existing group',
184: # help => 'Course_Delete_Group',
185: # permission => $grp_manage_permission,
186: # url => '/adm/coursegroups?refpage=enrl&action=delete',
187: # },
188: { text => 'Enter an existing group',
189: help => 'Course_Display_Group',
190: permission => $grp_view_permission,
191: url => '/adm/coursegroups?refpage=enrl&action=view',
192: },
193: );
194: my $menu_html = '';
195: foreach my $menu_item (@menu) {
196: next if (! $menu_item->{'permission'});
197: $menu_html.='<p>';
198: $menu_html.='<font size="+1">';
199: if (exists($menu_item->{'url'})) {
200: $menu_html.=qq{<a href="$menu_item->{'url'}">};
201: } else {
202: $menu_html.=
203: qq{<a href="/adm/dropadd?action=$menu_item->{'action'}">};
204: }
205: $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
206: if (exists($menu_item->{'help'})) {
207: $menu_html.=
208: &Apache::loncommon::help_open_topic($menu_item->{'help'});
209: }
210: $menu_html.='</p>'.$/;
211: }
212: $r->print($menu_html);
213: return;
214: }
215:
216: ###############################################################
217: ###############################################################
218: sub hidden_input {
219: my ($name,$value) = @_;
220: return '<input type="hidden" name="'.$name.'" value="'.$value.'" />'."\n";
221: }
222:
223: sub print_upload_manager_header {
224: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
225: my $javascript;
226: #
227: if (! exists($env{'form.upfile_associate'})) {
228: $env{'form.upfile_associate'} = 'forward';
229: }
230: if ($env{'form.associate'} eq 'Reverse Association') {
231: if ( $env{'form.upfile_associate'} ne 'reverse' ) {
232: $env{'form.upfile_associate'} = 'reverse';
233: } else {
234: $env{'form.upfile_associate'} = 'forward';
235: }
236: }
237: if ($env{'form.upfile_associate'} eq 'reverse') {
238: $javascript=&upload_manager_javascript_reverse_associate();
239: } else {
240: $javascript=&upload_manager_javascript_forward_associate();
241: }
242: #
243: # Deal with restored settings
244: my $password_choice = '';
245: if (exists($env{'form.ipwd_choice'}) &&
246: $env{'form.ipwd_choice'} ne '') {
247: # If a column was specified for password, assume it is for an
248: # internal password. This is a bug waiting to be filed (could be
249: # local or krb auth instead of internal) but I do not have the
250: # time to mess around with this now.
251: $password_choice = 'int';
252: }
253: #
254: my $javascript_validations=&javascript_validations('auth',$krbdefdom,
255: $password_choice);
256: my $checked=(($env{'form.noFirstLine'})?' checked="checked" ':'');
257: $r->print('<h3>'.&mt('Uploading Class List')."</h3>\n".
258: "<hr>\n".
259: '<h3>'.&mt('Identify fields')."</h3>\n");
260: $r->print("<p>\n".
261: &mt('Total number of records found in file: [_1].',$distotal).
262: "\n".
263: "</p><hr>\n");
264: $r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."<hr>\n");
265: $r->print(&hidden_input('action','upload').
266: &hidden_input('state','got_file').
267: &hidden_input('associate','').
268: &hidden_input('datatoken',$datatoken).
269: &hidden_input('fileupload',$env{'form.fileupload'}).
270: &hidden_input('upfiletype',$env{'form.upfiletype'}).
271: &hidden_input('upfile_associate',$env{'form.upfile_associate'}));
272: $r->print('<input type="button" value="Reverse Association" '.
273: 'name="'.&mt('Reverse Association').'" '.
274: 'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
275: $r->print('<label><input type="checkbox" name="noFirstLine"'.$checked.'/>'.
276: &mt('Ignore First Line').'</label>');
277: $r->print("<hr />\n".
278: '<script type="text/javascript" language="Javascript">'."\n".
279: $javascript."\n".$javascript_validations.'</script>');
280: }
281:
282: ###############################################################
283: ###############################################################
284: sub javascript_validations {
285: my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_;
286: my $authheader;
287: if ($mode eq 'auth') {
288: my %param = ( formname => 'studentform',
289: kerb_def_dom => $krbdefdom,
290: curr_authtype => $curr_authtype);
291: $authheader = &Apache::loncommon::authform_header(%param);
292: } elsif ($mode eq 'createcourse') {
293: my %param = ( formname => 'ccrs',
294: kerb_def_dom => $krbdefdom,
295: curr_authtype => $curr_authtype );
296: $authheader = &Apache::loncommon::authform_header(%param);
297: } elsif ($mode eq 'modifycourse') {
298: my %param = ( formname => 'cmod',
299: kerb_def_dom => $krbdefdom,
300: mode => 'modifycourse',
301: curr_authtype => $curr_authtype,
302: curr_autharg => $curr_authfield );
303: $authheader = &Apache::loncommon::authform_header(%param);
304: }
305:
306:
307: my %alert = &Apache::lonlocal::texthash
308: (username => 'You need to specify the username field.',
309: authen => 'You must choose an authentication type.',
310: krb => 'You need to specify the Kerberos domain.',
311: ipass => 'You need to specify the initial password.',
312: name => 'The optional name field was not specified.',
313: snum => 'The optional student number field was not specified.',
314: section => 'The optional section field was not specified.',
315: email => 'The optional email address field was not specified.',
316: continue => 'Continue enrollment?',
317: );
318:
319: # my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
320: my $function_name =(<<END);
321: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
322: END
323: my $auth_checks;
324: if ($mode eq 'createcourse') {
325: $auth_checks .= (<<END);
326: if (vf.autoadds[0].checked == true) {
327: if (current.radiovalue == null || current.radiovalue == 'nochange') {
328: alert('$alert{'authen'}');
329: return;
330: }
331: }
332: END
333: } else {
334: $auth_checks .= (<<END);
335: var foundatype=0;
336: if (founduname==0) {
337: alert('$alert{'username'}');
338: return;
339: }
340: // alert('current.radiovalue = '+current.radiovalue);
341: if (current.radiovalue == null || current.radiovalue == '' || current.radiovalue == 'nochange') {
342: // They did not check any of the login radiobuttons.
343: alert('$alert{'authen'}');
344: return;
345: }
346: END
347: }
348: if ($mode eq 'createcourse') {
349: $auth_checks .= "
350: if ( (vf.autoadds[0].checked == true) &&
351: (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') ) {
352: ";
353: } elsif ($mode eq 'modifycourse') {
354: $auth_checks .= "
355: if (vf.elements[current.argfield].value == null || vf.elements[current.argfield].value == '') {
356: ";
357: }
358: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
359: $auth_checks .= (<<END);
360: var alertmsg = '';
361: switch (current.radiovalue) {
362: case 'krb':
363: alertmsg = '$alert{'krb'}';
364: break;
365: default:
366: alertmsg = '';
367: }
368: if (alertmsg != '') {
369: alert(alertmsg);
370: return;
371: }
372: }
373: END
374: } else {
375: $auth_checks .= (<<END);
376: foundatype=1;
377: if (current.argfield == null || current.argfield == '') {
378: var alertmsg = '';
379: switch (current.value) {
380: case 'krb':
381: alertmsg = '$alert{'krb'}';
382: break;
383: case 'loc':
384: case 'fsys':
385: alertmsg = '$alert{'ipass'}';
386: break;
387: case 'fsys':
388: alertmsg = '';
389: break;
390: default:
391: alertmsg = '';
392: }
393: if (alertmsg != '') {
394: alert(alertmsg);
395: return;
396: }
397: }
398: END
399: }
400: my $section_checks;
401: my $optional_checks = '';
402: if ( ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
403: $optional_checks = (<<END);
404: vf.submit();
405: }
406: END
407: } else {
408: $section_checks = §ion_check_js();
409: $optional_checks = (<<END);
410: var message='';
411: if (foundname==0) {
412: message='$alert{'name'}';
413: }
414: if (foundid==0) {
415: if (message!='') {
416: message+='\\n';
417: }
418: message+='$alert{'snum'}';
419: }
420: if (foundsec==0) {
421: if (message!='') {
422: message+='\\n';
423: }
424: message+='$alert{'section'}';
425: }
426: if (foundemail==0) {
427: if (message!='') {
428: message+='\\n';
429: }
430: message+='$alert{'email'}';
431: }
432: if (message!='') {
433: message+= '\\n$alert{'continue'}';
434: if (confirm(message)) {
435: vf.state.value='enrolling';
436: vf.submit();
437: }
438: } else {
439: vf.state.value='enrolling';
440: vf.submit();
441: }
442: }
443: END
444: }
445: my $result = $function_name;
446: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
447: $result .= $auth_checks;
448: }
449: $result .= $optional_checks."\n".$section_checks;
450: if ( ($mode eq 'auth') || ($mode eq 'createcourse') || ($mode eq 'modifycourse') ) {
451: $result .= $authheader;
452: }
453: return $result;
454: }
455:
456: ###############################################################
457: ###############################################################
458: sub upload_manager_javascript_forward_associate {
459: return(<<ENDPICK);
460: function verify(vf,sec_caller) {
461: var founduname=0;
462: var foundpwd=0;
463: var foundname=0;
464: var foundid=0;
465: var foundsec=0;
466: var foundemail=0;
467: var tw;
468: for (i=0;i<=vf.nfields.value;i++) {
469: tw=eval('vf.f'+i+'.selectedIndex');
470: if (tw==1) { founduname=1; }
471: if ((tw>=2) && (tw<=6)) { foundname=1; }
472: if (tw==7) { foundid=1; }
473: if (tw==8) { foundsec=1; }
474: if (tw==9) { foundpwd=1; }
475: if (tw==10) { foundemail=1; }
476: }
477: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
478: }
479:
480: //
481: // vf = this.form
482: // tf = column number
483: //
484: // values of nw
485: //
486: // 0 = none
487: // 1 = username
488: // 2 = names (lastname, firstnames)
489: // 3 = fname (firstname)
490: // 4 = mname (middlename)
491: // 5 = lname (lastname)
492: // 6 = gen (generation)
493: // 7 = id
494: // 8 = section
495: // 9 = ipwd (password)
496: // 10 = email address
497:
498: function flip(vf,tf) {
499: var nw=eval('vf.f'+tf+'.selectedIndex');
500: var i;
501: // make sure no other columns are labeled the same as this one
502: for (i=0;i<=vf.nfields.value;i++) {
503: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
504: eval('vf.f'+i+'.selectedIndex=0;')
505: }
506: }
507: // If we set this to 'lastname, firstnames', clear out all the ones
508: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
509: if (nw==2) {
510: for (i=0;i<=vf.nfields.value;i++) {
511: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
512: (eval('vf.f'+i+'.selectedIndex')<=6)) {
513: eval('vf.f'+i+'.selectedIndex=0;')
514: }
515: }
516: }
517: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
518: // clear out any that are set to 'lastname, firstnames' (2)
519: if ((nw>=3) && (nw<=6)) {
520: for (i=0;i<=vf.nfields.value;i++) {
521: if (eval('vf.f'+i+'.selectedIndex')==2) {
522: eval('vf.f'+i+'.selectedIndex=0;')
523: }
524: }
525: }
526: // If we set the password, make the password form below correspond to
527: // the new value.
528: if (nw==9) {
529: changed_radio('int',document.studentform);
530: set_auth_radio_buttons('int',document.studentform);
531: vf.intarg.value='';
532: vf.krbarg.value='';
533: vf.locarg.value='';
534: }
535: }
536:
537: function clearpwd(vf) {
538: var i;
539: for (i=0;i<=vf.nfields.value;i++) {
540: if (eval('vf.f'+i+'.selectedIndex')==9) {
541: eval('vf.f'+i+'.selectedIndex=0;')
542: }
543: }
544: }
545:
546: ENDPICK
547: }
548:
549: ###############################################################
550: ###############################################################
551: sub upload_manager_javascript_reverse_associate {
552: return(<<ENDPICK);
553: function verify(vf,sec_caller) {
554: var founduname=0;
555: var foundpwd=0;
556: var foundname=0;
557: var foundid=0;
558: var foundsec=0;
559: var tw;
560: for (i=0;i<=vf.nfields.value;i++) {
561: tw=eval('vf.f'+i+'.selectedIndex');
562: if (i==0 && tw!=0) { founduname=1; }
563: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
564: if (i==6 && tw!=0) { foundid=1; }
565: if (i==7 && tw!=0) { foundsec=1; }
566: if (i==8 && tw!=0) { foundpwd=1; }
567: }
568: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
569: }
570:
571: function flip(vf,tf) {
572: var nw=eval('vf.f'+tf+'.selectedIndex');
573: var i;
574: // picked the all one one name field, reset the other name ones to blank
575: if (tf==1 && nw!=0) {
576: for (i=2;i<=5;i++) {
577: eval('vf.f'+i+'.selectedIndex=0;')
578: }
579: }
580: //picked one of the piecewise name fields, reset the all in
581: //one field to blank
582: if ((tf>=2) && (tf<=5) && (nw!=0)) {
583: eval('vf.f1.selectedIndex=0;')
584: }
585: // intial password specified, pick internal authentication
586: if (tf==8 && nw!=0) {
587: changed_radio('int',document.studentform);
588: set_auth_radio_buttons('int',document.studentform);
589: vf.krbarg.value='';
590: vf.intarg.value='';
591: vf.locarg.value='';
592: }
593: }
594:
595: function clearpwd(vf) {
596: var i;
597: if (eval('vf.f8.selectedIndex')!=0) {
598: eval('vf.f8.selectedIndex=0;')
599: }
600: }
601: ENDPICK
602: }
603:
604: ###############################################################
605: ###############################################################
606: sub print_upload_manager_footer {
607: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
608:
609: my ($krbdef,$krbdefdom) =
610: &Apache::loncommon::get_kerberos_defaults($defdom);
611: my %param = ( formname => 'document.studentform',
612: kerb_def_dom => $krbdefdom,
613: kerb_def_auth => $krbdef
614: );
615: if (exists($env{'form.ipwd_choice'}) &&
616: defined($env{'form.ipwd_choice'}) &&
617: $env{'form.ipwd_choice'} ne '') {
618: $param{'curr_authtype'} = 'int';
619: }
620: my $krbform = &Apache::loncommon::authform_kerberos(%param);
621: my $intform = &Apache::loncommon::authform_internal(%param);
622: my $locform = &Apache::loncommon::authform_local(%param);
623: my $domform = &domain_form($defdom);
624: my $date_table = &date_setting_table();
625: my $Str = "</table>\n";
626: $Str .= &hidden_input('nfields',$i);
627: $Str .= &hidden_input('keyfields',$keyfields);
628: $Str .= '<h3>'.&mt('Login Type')."</h3>\n";
629: $Str .= "<p>\n".
630: &mt('Note: this will not take effect if the user already exists').
631: &Apache::loncommon::help_open_topic('Auth_Options').
632: "</p><p>\n";
633: $Str .= $krbform."\n</p><p>\n".
634: $intform."\n</p><p>\n".
635: $locform."\n</p>\n";
636: $Str .= '<h3>'.&mt('LON-CAPA Domain for Students')."</h3>\n";
637: $Str .= "<p>\n".&mt('LON-CAPA domain: [_1]',$domform)."\n</p>\n";
638: $Str .= "<h3>".&mt('Starting and Ending Dates')."</h3>\n";
639: $Str .= "<p>\n".$date_table."</p>\n";
640: $Str .= "<h3>".&mt('Full Update')."</h3>\n";
641: $Str .= '<label><input type="checkbox" name="fullup" value="yes">'.
642: ' '.&mt('Full update (also print list of users not enrolled anymore)').
643: "</label></p>\n";
644: $Str .= "<h3>".&mt('Student Number')."</h3>\n";
645: $Str .= "<p>\n".'<label><input type="checkbox" name="forceid" value="yes">';
646: $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '.
647: 'of Conflicting IDs (only do if you know what you are doing)').
648: "</label>\n</p><p>\n";
649: $Str .= '<input type="button"'.
650: 'onClick="javascript:verify(this.form,this.form.csec)" '.
651: 'value="Update Class List" />'."<br />\n";
652: $Str .= &mt('Note: for large courses, this operation may be time '.
653: 'consuming');
654: $r->print($Str);
655: return;
656: }
657:
658: ###############################################################
659: ###############################################################
660: sub print_upload_manager_form {
661: my $r=shift;
662:
663: my $firstLine;
664: my $datatoken;
665: if (!$env{'form.datatoken'}) {
666: $datatoken=&Apache::loncommon::upfile_store($r);
667: } else {
668: $datatoken=$env{'form.datatoken'};
669: &Apache::loncommon::load_tmp_file($r);
670: }
671: my @records=&Apache::loncommon::upfile_record_sep();
672: if($env{'form.noFirstLine'}){
673: $firstLine=shift(@records);
674: }
675: my $total=$#records;
676: my $distotal=$total+1;
677: my $today=time;
678: my $halfyear=$today+15552000;
679: #
680: # Restore memorized settings
681: &Apache::loncommon::restore_course_settings
682: ('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
683: 'names_choice' => 'scalar',
684: 'fname_choice' => 'scalar',
685: 'mname_choice' => 'scalar',
686: 'lname_choice' => 'scalar',
687: 'gen_choice' => 'scalar',
688: 'id_choice' => 'scalar',
689: 'sec_choice' => 'scalar',
690: 'ipwd_choice' => 'scalar',
691: 'email_choice' => 'scalar',
692: });
693: #
694: # Determine kerberos parameters as appropriate
695: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
696: my ($krbdef,$krbdefdom) =
697: &Apache::loncommon::get_kerberos_defaults($defdom);
698: #
699: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
700: my $i;
701: my $keyfields;
702: if ($total>=0) {
703: my @field=
704: (['username',&mt('Username'), $env{'form.username_choice'}],
705: ['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
706: ['fname',&mt('First Name'), $env{'form.fname_choice'}],
707: ['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
708: ['lname',&mt('Last Name'), $env{'form.lname_choice'}],
709: ['gen', &mt('Generation'), $env{'form.gen_choice'}],
710: ['id', &mt('ID/Student Number'),$env{'form.id_choice'}],
711: ['sec', &mt('Section'), $env{'form.sec_choice'}],
712: ['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
713: ['email',&mt('EMail Address'), $env{'form.email_choice'}]);
714: if ($env{'form.upfile_associate'} eq 'reverse') {
715: &Apache::loncommon::csv_print_samples($r,\@records);
716: $i=&Apache::loncommon::csv_print_select_table($r,\@records,
717: \@field);
718: foreach (@field) {
719: $keyfields.=$_->[0].',';
720: }
721: chop($keyfields);
722: } else {
723: unshift(@field,['none','']);
724: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
725: \@field);
726: my %sone=&Apache::loncommon::record_sep($records[0]);
727: $keyfields=join(',',sort(keys(%sone)));
728: }
729: }
730: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
731: }
732:
733: ###############################################################
734: ###############################################################
735: sub enroll_single_student {
736: my $r=shift;
737: # Remove non alphanumeric values from section
738: $env{'form.csec'}=~s/\W//g;
739: #
740: # We do the dates first because the action of making them the defaul
741: # in the course is entirely separate from the action of enrolling the
742: # student. Also, a failure in setting the dates as default is not fatal
743: # to the process of enrolling / modifying a student.
744: my ($startdate,$enddate) = &get_dates_from_form();
745: if ($env{'form.makedatesdefault'}) {
746: $r->print(&make_dates_default($startdate,$enddate));
747: }
748:
749: $r->print('<h3>'.&mt('Enrolling Student').'</h3>');
750: $r->print('<p>'.&mt('Enrolling').' '.$env{'form.cuname'}." \@ ".
751: $env{'form.lcdomain'}.'</p>');
752: if (($env{'form.cuname'})
753: && ($env{'form.cuname'}
754: eq &LONCAPA::clean_username($env{'form.cuname'}))
755: && ($env{'form.lcdomain'})
756: && ($env{'form.lcdomain'}
757: eq &LONCAPA::clean_domain($env{'form.lcdomain'}))) {
758: # Deal with home server selection
759: my $domain=$env{'form.lcdomain'};
760: my $desiredhost = $env{'form.lcserver'};
761: if (lc($desiredhost) eq 'default') {
762: $desiredhost = undef;
763: } else {
764: my %home_servers =&Apache::loncommon::get_library_servers($domain);
765: if (! exists($home_servers{$desiredhost})) {
766: $r->print('<font color="#ff0000">'.&mt('Error').':</font>'.
767: &mt('Invalid home server specified'));
768: return;
769: }
770: }
771: $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost));
772: # End of home server selection logic
773: my $amode='';
774: my $genpwd='';
775: if ($env{'form.login'} eq 'krb') {
776: $amode='krb';
777: $amode.=$env{'form.krbver'};
778: $genpwd=$env{'form.krbarg'};
779: } elsif ($env{'form.login'} eq 'int') {
780: $amode='internal';
781: $genpwd=$env{'form.intarg'};
782: } elsif ($env{'form.login'} eq 'loc') {
783: $amode='localauth';
784: $genpwd=$env{'form.locarg'};
785: if (!$genpwd) { $genpwd=" "; }
786: }
787: my $home = &Apache::lonnet::homeserver($env{'form.cuname'},
788: $env{'form.lcdomain'});
789: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
790: # Clean out any old roles the student has in this class.
791: &modifystudent($env{'form.lcdomain'},$env{'form.cuname'},
792: $env{'request.course.id'},$env{'form.csec'},
793: $desiredhost);
794: my $login_result = &Apache::lonnet::modifystudent
795: ($env{'form.lcdomain'},$env{'form.cuname'},
796: $env{'form.cstid'},$amode,$genpwd,
797: $env{'form.cfirst'},$env{'form.cmiddle'},
798: $env{'form.clast'},$env{'form.cgen'},
799: $env{'form.csec'},$enddate,
800: $startdate,$env{'form.forceid'},
801: $desiredhost,$env{'form.emailaddress'});
802: if ($login_result =~ /^ok/) {
803: $r->print($login_result);
804: $r->print("<p> ".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."</p>");
805: } else {
806: $r->print(&mt('unable to enroll').": ".$login_result);
807: }
808: } else {
809: $r->print('<p><font color="#ff0000">'.&mt('ERROR').'</font> ');
810: if ($amode =~ /^krb/) {
811: $r->print(&mt('Missing Kerberos domain information.').' ');
812: } else {
813: $r->print(&mt('Invalid login mode or password.').' ');
814: }
815: $r->print('<b>'.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.</b></p>');
816: }
817: } else {
818: $r->print(&mt('Invalid username or domain'));
819: }
820: }
821:
822: sub setup_date_selectors {
823: my ($starttime,$endtime,$mode) = @_;
824: if (! defined($starttime)) {
825: $starttime = time;
826: unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
827: if (exists($env{'course.'.$env{'request.course.id'}.
828: '.default_enrollment_start_date'})) {
829: $starttime = $env{'course.'.$env{'request.course.id'}.
830: '.default_enrollment_start_date'};
831: }
832: }
833: }
834: if (! defined($endtime)) {
835: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
836: unless ($mode eq 'createcourse') {
837: if (exists($env{'course.'.$env{'request.course.id'}.
838: '.default_enrollment_end_date'})) {
839: $endtime = $env{'course.'.$env{'request.course.id'}.
840: '.default_enrollment_end_date'};
841: }
842: }
843: }
844: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
845: 'startdate',
846: $starttime);
847: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
848: 'enddate',
849: $endtime);
850: if ($mode eq 'create_enrolldates') {
851: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
852: 'startenroll',
853: $starttime);
854: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
855: 'endenroll',
856: $endtime);
857: }
858: if ($mode eq 'create_defaultdates') {
859: $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs',
860: 'startaccess',
861: $starttime);
862: $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs',
863: 'endaccess',
864: $endtime);
865: }
866: return ($startdateform,$enddateform);
867: }
868:
869: sub get_dates_from_form {
870: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
871: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
872: if ($env{'form.no_end_date'}) {
873: $enddate = 0;
874: }
875: return ($startdate,$enddate);
876: }
877:
878: sub date_setting_table {
879: my ($starttime,$endtime,$mode) = @_;
880: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode);
881: my $dateDefault = '<nobr>'.
882: '<label><input type="checkbox" name="makedatesdefault" /> '.
883: &mt('make these dates the default for future enrollment').'</label>';
884: if ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') {
885: $dateDefault = ' ';
886: }
887: my $perpetual = '<nobr><label><input type="checkbox" name="no_end_date"';
888: if (defined($endtime) && $endtime == 0) {
889: $perpetual .= ' checked';
890: }
891: $perpetual.= ' /> '.&mt('no ending date').'</label></nobr>';
892: if ($mode eq 'create_enrolldates') {
893: $perpetual = ' ';
894: }
895: my $result = '';
896: $result .= "<table>\n";
897: $result .= '<tr><td align="right">'.&mt('Starting Date').'</td>'.
898: '<td>'.$startform.'</td>'.
899: '<td>'.$dateDefault.'</td>'."</tr>\n";
900: $result .= '<tr><td align="right">'.&mt('Ending Date').'</td>'.
901: '<td>'.$endform.'</td>'.
902: '<td>'.$perpetual.'</td>'."</tr>\n";
903: $result .= "</table>\n";
904: return $result;
905: }
906:
907: sub make_dates_default {
908: my ($startdate,$enddate) = @_;
909: my $result = '';
910: my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
911: my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
912: my $put_result = &Apache::lonnet::put('environment',
913: {'default_enrollment_start_date'=>$startdate,
914: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
915: if ($put_result eq 'ok') {
916: $result .= "Set default start and end dates for course<br />";
917: #
918: # Refresh the course environment
919: &Apache::lonnet::coursedescription($env{'request.course.id'},
920: {'freshen_cache' => 1});
921: } else {
922: $result .= &mt('Unable to set default dates for course').":".$put_result.
923: '<br />';
924: }
925: return $result;
926: }
927:
928: ##
929: ## Single student enrollment routines (some of them)
930: ##
931: sub get_student_username_domain_form {
932: my $r = shift;
933: my $domform = &Apache::loncommon::select_dom_form
934: ($env{'course.'.$env{'request.course.id'}.'.domain'},'cudomain',0);
935: my %lt=&Apache::lonlocal::texthash(
936: 'eos' => "Enroll One Student",
937: 'usr' => "Username",
938: 'dom' => "Domain",
939: 'been' => "Begin Enrollment",
940: );
941: $r->print(<<END);
942: <input type="hidden" name="action" value="enrollstudent" />
943: <input type="hidden" name="state" value="gotusername" />
944: <h3>$lt{'eos'}</h3>
945: <table>
946: <tr><th>$lt{'usr'}:</th>
947: <td><input type="text" name="cuname" size="15" /></td></tr>
948: <tr><th>$lt{'dom'}:</th>
949: <td>$domform</td></tr>
950: <tr><th> </th>
951: <td>
952: <input type="submit" name="Begin Enrollment" value="$lt{'been'}" />
953: </td></tr>
954: </table>
955: <script type="text/javascript">
956: // the if prevents the script error if the browser can not handle this
957: if ( document.studentform.cuname ) { document.studentform.cuname.focus(); }
958: </script>
959: END
960: return;
961: }
962:
963: sub print_enroll_single_student_form {
964: my $r=shift;
965: $r->print("<h3>".&mt('Enroll One Student')."</h3>");
966: #
967: my $username = &LONCAPA::clean_username($env{'form.cuname'});
968: my $domain = &LONCAPA::clean_domain($env{'form.cudomain'});
969: my $home = &Apache::lonnet::homeserver($username,$domain);
970: # $new_user flags whether we are creating a new user or using an old one
971: my $new_user = 1;
972: if ($home ne 'no_host') {
973: $new_user = 0;
974: }
975: #
976: my $user_data_html = '';
977: my $javascript_validations = '';
978: if ($new_user) {
979: my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
980: # Set up authentication forms
981: my ($krbdef,$krbdefdom) =
982: &Apache::loncommon::get_kerberos_defaults($domain);
983: $javascript_validations=&javascript_validations('auth',$krbdefdom);
984: my %param = ( formname => 'document.studentform',
985: kerb_def_dom => $krbdefdom,
986: kerb_def_auth => $krbdef
987: );
988: my $krbform = &Apache::loncommon::authform_kerberos(%param);
989: my $intform = &Apache::loncommon::authform_internal(%param);
990: my $locform = &Apache::loncommon::authform_local(%param);
991: #
992: # Set up domain selection form
993: my $homeserver_form = '';
994: my %servers = &Apache::loncommon::get_library_servers($domain);
995: $homeserver_form = '<select name="lcserver" size="1">'."\n".
996: '<option value="default" selected>default</option>'."\n";
997: while (my ($servername,$serverdescription) = each (%servers)) {
998: $homeserver_form .= '<option value="'.$servername.'">'.
999: $serverdescription."</option>\n";
1000: }
1001: $homeserver_form .= "</select>\n";
1002: #
1003: #
1004: my %lt=&Apache::lonlocal::texthash(
1005: 'udf' => "User Data for",
1006: 'fn' => "First Name",
1007: 'mn' => "Middle Name",
1008: 'ln' => "Last Name",
1009: 'gen' => "Generation",
1010: 'hs' => "Home Server",
1011: 'pswd' => "Password",
1012: 'psam' => "Please select an authentication mechanism",
1013: 'mail' => "Email Address"
1014: );
1015: my $authhelp=&Apache::loncommon::help_open_topic('Auth_Options');
1016: $user_data_html = <<END;
1017: <h3>$lt{'udf'} $username\@$domain</h3>
1018: <table>
1019: <tr><th>$lt{'fn'}:</th>
1020: <td><input type="text" name="cfirst" size="15"></td></tr>
1021: <tr><th>$lt{'mn'}:</th>
1022: <td><input type="text" name="cmiddle" size="15"></td></tr>
1023: <tr><th>$lt{'ln'}:</th>
1024: <td><input type="text" name="clast" size="15"></td></tr>
1025: <tr><th>$lt{'gen'}:</th>
1026: <td><input type="text" name="cgen" size="5"> </td></tr>
1027: <tr><th>$lt{'hs'}:</th>
1028: <td>$homeserver_form</td></tr>
1029: <tr><th>$lt{'mail'}:</th>
1030: <td><input type="text" name="emailaddress" size="20" /></td></tr>
1031: </table>
1032: <h3>$lt{'pswd'}</h3>
1033: $lt{'psam'}$authhelp
1034: <table>
1035: <p>
1036: $krbform
1037: <br />
1038: $intform
1039: <br />
1040: $locform
1041: </p>
1042: END
1043: } else {
1044: # User already exists. Do not worry about authentication
1045: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
1046: $javascript_validations = &javascript_validations('noauth');
1047: my %lt=&Apache::lonlocal::texthash(
1048: 'udf' => "User Data for",
1049: 'fn' => "First Name",
1050: 'mn' => "Middle Name",
1051: 'ln' => "Last Name",
1052: 'gen' => "Generation",
1053: 'mail' => "Email Address",
1054: );
1055: $user_data_html = <<END;
1056: <h3>$lt{'udf'} $username\@$domain</h3>
1057: <input type="hidden" name="lcserver" value="default" />
1058: <table>
1059: <tr><th>$lt{'fn'}:</th>
1060: <td>
1061: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
1062: </td></tr>
1063: <tr><th>$lt{'mn'}:</th>
1064: <td>
1065: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
1066: </td></tr>
1067: <tr><th>$lt{'ln'}:</th>
1068: <td>
1069: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
1070: </td></tr>
1071: <tr><th>$lt{'gen'}:</th>
1072: <td>
1073: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
1074: </td></tr>
1075: <tr><th>$lt{'mail'}:</th>
1076: <td>
1077: <input type="text" name="emailaddress" value="$uenv{'permanentemail'}" size="20" />
1078: </td></tr>
1079: </table>
1080: END
1081: }
1082: my $date_table = &date_setting_table();
1083: # Print it all out
1084: my %lt=&Apache::lonlocal::texthash(
1085: 'cd' => "Course Data",
1086: 'gs' => "Section",
1087: 'idsn' => "ID/Student Number",
1088: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1089: 'eas' => "Enroll as student",
1090: );
1091: $r->print(<<END);
1092: <input type="hidden" name="action" value="enrollstudent" />
1093: <input type="hidden" name="state" value="done" />
1094: <input type="hidden" name="cuname" value="$username" />
1095: <input type="hidden" name="lcdomain" value="$domain" />
1096: <script type="text/javascript" language="Javascript">
1097: function verify(vf,sec_caller) {
1098: var founduname=0;
1099: var foundpwd=0;
1100: var foundname=0;
1101: var foundid=0;
1102: var foundsec=0;
1103: var tw;
1104: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
1105: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
1106: founduname=1;
1107: }
1108: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
1109: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
1110: foundname=1;
1111: }
1112: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
1113: foundsec=1;
1114: if (validate(sec_caller) == "error") {
1115: return;
1116: }
1117: }
1118: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
1119: foundid=1;
1120: }
1121: if (founduname==0) {
1122: alert('You need to specify at least the username and domain fields');
1123: return;
1124: }
1125: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
1126: }
1127:
1128: $javascript_validations
1129:
1130: function clearpwd(vf) {
1131: //nothing else needs clearing
1132: }
1133:
1134: </script>
1135:
1136: $user_data_html
1137:
1138: <h3>$lt{'cd'}</h3>
1139:
1140: <p>$lt{'gs'}: <input type="text" name="csec" size="5" />
1141: <p>
1142: $date_table
1143: </p>
1144: <h3>$lt{'idsn'}</h3>
1145: <p>
1146: $lt{'idsn'}: <input type="text" name="cstid" size="10">
1147: </p><p>
1148: <label>
1149: <input type="checkbox" name="forceid" value="yes">
1150: $lt{'disn'}
1151: </label>
1152: </p><p>
1153: <input type="button" onClick="verify(this.form,this.form.csec)" value="$lt{'eas'}">
1154: </p>
1155: END
1156: return;
1157: }
1158:
1159: # ========================================================= Menu Phase Two Drop
1160: sub print_drop_menu {
1161: my $r=shift;
1162: $r->print("<h3>".&mt('Drop Students')."</h3>");
1163: my $cid=$env{'request.course.id'};
1164: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
1165: if (! defined($classlist)) {
1166: $r->print(&mt('There are no students currently enrolled.')."\n");
1167: return;
1168: }
1169: # Print out the available choices
1170: &show_drop_list($r,$classlist,$keylist);
1171: return;
1172: }
1173:
1174: # ============================================== view classlist
1175: sub print_html_classlist {
1176: my ($r,$mode) = @_;
1177: if (! exists($env{'form.sortby'})) {
1178: $env{'form.sortby'} = 'username';
1179: }
1180: if ($env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1181: $env{'form.Status'} = 'Active';
1182: }
1183: my $status_select = &Apache::lonhtmlcommon::StatusOptions
1184: ($env{'form.Status'});
1185: my $cid =$env{'request.course.id'};
1186: my $cdom=$env{'course.'.$cid.'.domain'};
1187: my $cnum=$env{'course.'.$cid.'.num'};
1188: #
1189: # List course personnel
1190: my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
1191: #
1192: if (! defined($env{'form.output'}) ||
1193: $env{'form.output'} !~ /^(csv|excel|html)$/ ) {
1194: $env{'form.output'} = 'html';
1195: }
1196: #
1197: $r->print('<br />'.&Apache::loncommon::start_data_table());
1198: foreach my $role (sort keys %coursepersonnel) {
1199: next if ($role =~ /^\s*$/);
1200: $r->print(&Apache::loncommon::start_data_table_row().
1201: '<td>'.$role.'</td><td>');
1202: foreach my $user (split(',',$coursepersonnel{$role})) {
1203: my ($puname,$pudom)=split(':',$user);
1204: $r->print(' '.&Apache::loncommon::aboutmewrapper(
1205: &Apache::loncommon::plainname($puname,
1206: $pudom),
1207: $puname,$pudom));
1208: }
1209: $r->print('</td>'.&Apache::loncommon::end_data_table_row());
1210: }
1211: $r->print(&Apache::loncommon::end_data_table());
1212: #
1213: # Interface output
1214: $r->print('<input type="hidden" name="action" value="'.
1215: $env{'form.action'}.'" />');
1216: $r->print("<p>\n");
1217: if ($env{'form.action'} ne 'modifystudent') {
1218: my %lt=&Apache::lonlocal::texthash('csv' => "CSV",
1219: 'excel' => "Excel",
1220: 'html' => 'HTML');
1221: my $output_selector = '<select size="1" name="output" >';
1222: foreach my $outputformat ('html','csv','excel') {
1223: my $option = '<option value="'.$outputformat.'" ';
1224: if ($outputformat eq $env{'form.output'}) {
1225: $option .= 'selected ';
1226: }
1227: $option .='>'.$lt{$outputformat}.'</option>';
1228: $output_selector .= "\n".$option;
1229: }
1230: $output_selector .= '</select>';
1231: $r->print(&mt('Output Format: [_1]',$output_selector).(' 'x3));
1232: }
1233: $r->print(&mt('Student Status: [_1]',$status_select)."\n");
1234: $r->print('<input type="submit" value="'.&mt('Update Display').'" />'.
1235: "\n</p>\n");
1236: #
1237: # Print the classlist
1238: $r->print('<h2>'.&mt('Current Class List').'</h2>');
1239: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1240: if (! defined($classlist)) {
1241: $r->print(&mt('There are no students currently enrolled.')."\n");
1242: } else {
1243: # Print out the available choices
1244: if ($env{'form.action'} eq 'modifystudent') {
1245: &show_class_list($r,'view','modify',
1246: $env{'form.Status'},$classlist,$keylist);
1247: } else {
1248: &show_class_list($r,$env{'form.output'},'aboutme',
1249: $env{'form.Status'},$classlist,$keylist);
1250: }
1251: }
1252: }
1253:
1254: # =================================================== Show student list to drop
1255: sub show_class_list {
1256: my ($r,$mode,$linkto,$statusmode,$classlist,$keylist)=@_;
1257: my $cid=$env{'request.course.id'};
1258: my $cdom = $env{'course.'.$cid.'.domain'};
1259: my $cnum = $env{'course.'.$cid.'.num'};
1260: my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1261: $classlist,$keylist,$cdom,$cnum);
1262: #
1263: # Variables for excel output
1264: my ($excel_workbook, $excel_sheet, $excel_filename,$row,$format);
1265: #
1266: # Variables for csv output
1267: my ($CSVfile,$CSVfilename);
1268: #
1269: my $sortby = $env{'form.sortby'};
1270: if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end|type)$/) {
1271: $sortby = 'username';
1272: }
1273: if (! exists($env{'form.displayphotos'})) {
1274: $env{'form.displayphotos'} = 'off';
1275: }
1276: my $displayphotos = $env{'form.displayphotos'};
1277:
1278: # Print out header
1279: unless ($mode eq 'autoenroll') {
1280: $r->print(<<END);
1281: <input type="hidden" name="state" value="$env{'form.state'}" />
1282: END
1283: }
1284: $r->print(<<END);
1285: <input type="hidden" name="sortby" value="$sortby" />
1286: <input type="hidden" name="displayphotos" value="$displayphotos" />
1287: END
1288: if ($mode eq 'html' || $mode eq 'view' || $mode eq 'autoenroll') {
1289: if ($linkto eq 'aboutme') {
1290: $r->print(&mt("Select a user name to view the user's personal page."));
1291: } elsif ($linkto eq 'modify') {
1292: $r->print(&mt("Select a user name to modify the student's information"));
1293: }
1294: my %lt=&Apache::lonlocal::texthash(
1295: 'usrn' => "username",
1296: 'dom' => "domain",
1297: 'sn' => "student name",
1298: 'sec' => "section",
1299: 'grp' => "active groups",
1300: 'start' => "start date",
1301: 'end' => "end date",
1302: 'type' => "enroll type/action",
1303: 'photo' => "photo",
1304: );
1305: unless ($mode eq 'autoenroll') {
1306: $r->print(<<END);
1307: <input type="hidden" name="sname" value="" />
1308: <input type="hidden" name="sdom" value="" />
1309: END
1310: }
1311: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1312: $r->print('
1313: <script type="text/javascript">
1314: function photowindow(photolink) {
1315: var title = "Photo_Viewer";
1316: var options = "scrollbars=1,resizable=1,menubar=0";
1317: options += ",width=240,height=240";
1318: stdeditbrowser = open(photolink,title,options,"1");
1319: stdeditbrowser.focus();
1320: }
1321: </script>
1322: ');
1323: }
1324: $r->print("
1325: <p>
1326: ".&Apache::loncommon::start_data_table()."
1327: <tr>
1328: ");
1329: if ($mode eq 'autoenroll') {
1330: $r->print("
1331: <th><a href=\"javascript:document.studentform.sortby.value='type';document.studentform.submit();\">$lt{'type'}</a></th>
1332: ");
1333: } else {
1334: $r->print("
1335: <th>Count</th>
1336: ");
1337: }
1338: $r->print(<<END);
1339: <th>
1340: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">$lt{'usrn'}</a>
1341: </th><th>
1342: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">$lt{'dom'}</a>
1343: </th><th>
1344: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1345: </th><th>
1346: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">$lt{'sn'}</a>
1347: </th><th>
1348: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">$lt{'sec'}</a>
1349: </th><th>
1350: <a href="javascript:document.studentform.sortby.value='start';document.studentform.submit();">$lt{'start'}</a>
1351: </th><th>
1352: <a href="javascript:document.studentform.sortby.value='end';document.studentform.submit();">$lt{'end'}</a>
1353: </th><th>
1354: <a href="javascript:document.studentform.sortby.value='groups';document.studentform.submit();">$lt{'grp'}</a>
1355: </th>
1356: END
1357: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1358: my %photo_options = &Apache::lonlocal::texthash(
1359: 'on' => 'Show',
1360: 'off' => 'Hide',
1361: );
1362: my $photochg = 'on';
1363: if ($displayphotos eq 'on') {
1364: $photochg = 'off';
1365: }
1366: $r->print(' <th>'."\n".' '.
1367: '<a href="javascript:document.studentform.displayphotos.value='.
1368: "'".$photochg."'".';document.studentform.submit();">'.
1369: $photo_options{$photochg}.'</a> '.$lt{'photo'}."\n".
1370: ' </th>'."\n");
1371: }
1372: $r->print(" </tr>\n");
1373: } elsif ($mode eq 'csv') {
1374: #
1375: # Open a file
1376: $CSVfilename = '/prtspool/'.
1377: $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
1378: time.'_'.rand(1000000000).'.csv';
1379: unless ($CSVfile = Apache::File->new('>/home/httpd'.$CSVfilename)) {
1380: $r->log_error("Couldn't open $CSVfilename for output $!");
1381: $r->print("Problems occured in writing the csv file. ".
1382: "This error has been logged. ".
1383: "Please alert your LON-CAPA administrator.");
1384: $CSVfile = undef;
1385: }
1386: #
1387: # Write headers and data to file
1388: if($statusmode eq 'Expired') {
1389: print $CSVfile '"'.&mt('Students with expired roles').'"'."\n";
1390: }
1391: if($statusmode eq 'Future') {
1392: print $CSVfile '"'.&mt('Students with future roles').'"'."\n";
1393: }
1394: if ($statusmode eq 'Any') {
1395: print $CSVfile '"'.join('","',map {
1396: &Apache::loncommon::csv_translate(&mt($_))
1397: } ("username","domain","ID","student name",
1398: "section","start date","end date","status","active groups"))
1399: .'"'."\n";
1400: } else {
1401: print $CSVfile '"'.join('","',map {
1402: &Apache::loncommon::csv_translate(&mt($_))
1403: } ("username","domain","ID","student name",
1404: "section","start date","end date","active groups")).'"'."\n";
1405: }
1406: } elsif ($mode eq 'excel') {
1407: # Create the excel spreadsheet
1408: ($excel_workbook,$excel_filename,$format) =
1409: &Apache::loncommon::create_workbook($r);
1410: return if (! defined($excel_workbook));
1411: $excel_sheet = $excel_workbook->addworksheet('classlist');
1412: #
1413: my $description = 'Class List for '.
1414: $env{'course.'.$env{'request.course.id'}.'.description'};
1415: $excel_sheet->write($row++,0,$description,$format->{'h1'});
1416: #
1417: $excel_sheet->write($row++,0,["username","domain","ID",
1418: "student name","section",
1419: "start date","end date","status",
1420: "active groups"],
1421: $format->{'bold'});
1422: }
1423: #
1424: # Sort the students
1425: my %index;
1426: my $i;
1427: foreach (@$keylist) {
1428: $index{$_} = $i++;
1429: }
1430: $index{'groups'} = scalar(@{$keylist});
1431: my $index = $index{$sortby};
1432: my $second = $index{'username'};
1433: my $third = $index{'domain'};
1434: my @Sorted_Students = sort {
1435: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1436: ||
1437: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1438: ||
1439: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1440: } (keys(%$classlist));
1441: my $studentcount = 0;
1442: my $autocount = 0;
1443: my $manualcount = 0;
1444: my $unlockcount = 0;
1445: my $lockcount = 0;
1446: foreach my $student (@Sorted_Students) {
1447: my $sdata = $classlist->{$student};
1448: my $groups = $classgroups->{$student};
1449: my $username = $sdata->[$index{'username'}];
1450: my $domain = $sdata->[$index{'domain'}];
1451: my $section = $sdata->[$index{'section'}];
1452: my $active_groups;
1453: if (ref($groups->{active}) eq 'HASH') {
1454: $active_groups = join(', ',keys(%{$groups->{'active'}}));
1455: }
1456: my $name = $sdata->[$index{'fullname'}];
1457: my $id = $sdata->[$index{'id'}];
1458: my $status = $sdata->[$index{'status'}];
1459: my $start = $sdata->[$index{'start'}];
1460: my $end = $sdata->[$index{'end'}];
1461: my $type = $sdata->[$index{'type'}];
1462: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1463: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1464: if (! defined($start) || $start == 0) {
1465: $start = &mt('none');
1466: } else {
1467: $start = &Apache::lonlocal::locallocaltime($start);
1468: }
1469: if (! defined($end) || $end == 0) {
1470: $end = &mt('none');
1471: } else {
1472: $end = &Apache::lonlocal::locallocaltime($end);
1473: }
1474: $r->print(&Apache::loncommon::start_data_table_row());
1475: if ($mode eq 'autoenroll') {
1476: my $lockedtype = $sdata->[$index{'lockedtype'}];
1477: $studentcount++;
1478: my $cellentry;
1479: if ($type eq 'auto') {
1480: $cellentry = '<b>'.&mt('auto').'</b> <label><input type="checkbox" name="chgauto" value="'.$username.':'.$domain.'" /> Change</label>';
1481: $autocount ++;
1482: } else {
1483: $cellentry = '<table border="0" cellspacing="0"><tr><td rowspan="2"><b>'.&mt('manual').'</b></td><td><nobr><label><input type="checkbox" name="chgmanual" value="'.$username.':'.$domain.'" /> Change</label></nobr></td></tr><tr><td><nobr>';
1484: $manualcount ++;
1485: if ($lockedtype) {
1486: $cellentry .= '<label><input type="checkbox" name="unlockchg" value="'.$username.':'.$domain.'" /> '.&mt('Unlock').'</label>';
1487: $unlockcount ++;
1488: } else {
1489: $cellentry .= '<label><input type="checkbox" name="lockchg" value="'.$username.':'.$domain.'" /> '.&mt('Lock').'</label>';
1490: $lockcount ++;
1491: }
1492: $cellentry .= '</nobr></td></tr></table>';
1493: }
1494: $r->print("<td>$cellentry<td>\n ");
1495: } else {
1496: $r->print("<td>".(++$studentcount)."</td><td>\n ");
1497: }
1498: if ($linkto eq 'nothing') {
1499: $r->print($username);
1500: } elsif ($linkto eq 'aboutme') {
1501: $r->print(&Apache::loncommon::aboutmewrapper($username,
1502: $username,
1503: $domain));
1504: } elsif ($linkto eq 'modify') {
1505: $r->print('<a href="'.
1506: "javascript:document.studentform.sname.value='".
1507: $username.
1508: "';document.studentform.sdom.value='".$domain.
1509: "';document.studentform.state.value='selected".
1510: "';document.studentform.submit();".'">'.
1511: $username."</a>\n");
1512: }
1513: $r->print(<<"END");
1514: </td>
1515: <td>$domain</td>
1516: <td>$id</td>
1517: <td>$name</td>
1518: <td>$section</td>
1519: <td>$start</td>
1520: <td>$end</td>
1521: <td>$active_groups</td>
1522: END
1523: if ($env{'course.'.$env{'request.course.id'}.
1524: '.internal.showphoto'}) {
1525: if ($displayphotos eq 'on') {
1526: my $imgurl =
1527: &Apache::lonnet::retrievestudentphoto($domain,
1528: $username,'gif',
1529: 'thumbnail');
1530:
1531: $r->print(' <td align="right"><a href="javascript:photowindow('."'".&Apache::lonnet::studentphoto($domain,$username,'jpg')."'".')"><img src="'.$imgurl.'" border="1"></a></td>');
1532: } else {
1533: $r->print(' <td> </td> ');
1534: }
1535: }
1536: $r->print(&Apache::loncommon::end_data_table_row());
1537: } elsif ($mode eq 'csv') {
1538: next if (! defined($CSVfile));
1539: # no need to bother with $linkto
1540: if (! defined($start) || $start == 0) {
1541: $start = &mt('none');
1542: } else {
1543: $start = &Apache::lonlocal::locallocaltime($start);
1544: }
1545: if (! defined($end) || $end == 0) {
1546: $end = &mt('none');
1547: } else {
1548: $end = &Apache::lonlocal::locallocaltime($end);
1549: }
1550: my @line = ();
1551: foreach ($username,$domain,$id,$name,$section,$start,$end) {
1552: push @line,&Apache::loncommon::csv_translate($_);
1553: }
1554: if ($statusmode eq 'Any') {
1555: push @line,&Apache::loncommon::csv_translate($status);
1556: }
1557: push @line,&Apache::loncommon::csv_translate($active_groups);
1558: print $CSVfile '"'.join('","',@line).'"'."\n";
1559: } elsif ($mode eq 'excel') {
1560: $excel_sheet->write($row,0,[$username,$domain,$id,
1561: $name,$section]);
1562: my $col = 5;
1563: foreach my $time ($start,$end) {
1564: if (defined($time) && $time != 0) {
1565: $excel_sheet->write($row,$col++,
1566: &Apache::lonstathelpers::calc_serial($time),
1567: $format->{'date'});
1568: } else {
1569: $excel_sheet->write($row,$col++,'none');
1570: }
1571: }
1572: $excel_sheet->write($row,$col++,$status);
1573: $excel_sheet->write($row,$col++,$active_groups);
1574: $row++;
1575: }
1576: }
1577: if ($mode eq 'view' || $mode eq 'html' || $mode eq 'autoenroll') {
1578: $r->print(&Apache::loncommon::end_data_table().'<br />');
1579: } elsif ($mode eq 'excel') {
1580: $excel_workbook->close();
1581: $r->print('<p><a href="'.$excel_filename.'">'.
1582: &mt('Your Excel spreadsheet').'</a> '.&mt('is ready for download').'.</p>'."\n");
1583: } elsif ($mode eq 'csv') {
1584: close($CSVfile);
1585: $r->print('<a href="'.$CSVfilename.'">'.
1586: &mt('Your CSV file').'</a> is ready for download.'.
1587: "\n");
1588: $r->rflush();
1589: }
1590: if ($mode eq 'autoenroll') {
1591: return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount);
1592: }
1593: return;
1594: }
1595:
1596:
1597: #
1598: # print out form for modification of a single students data
1599: #
1600: sub print_modify_student_form {
1601: my $r = shift();
1602: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1603: ['sdom','sname']);
1604: my $sname = $env{'form.sname'};
1605: my $sdom = $env{'form.sdom'};
1606: my $sortby = $env{'form.sortby'};
1607: # determine the students name information
1608: my %info=&Apache::lonnet::get('environment',
1609: ['firstname','middlename',
1610: 'lastname','generation','id'],
1611: $sdom, $sname);
1612: my ($tmp) = keys(%info);
1613: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1614: $r->print('<font color="#ff0000" size="+2">'.&mt('Error').'</font>'.
1615: '<p>'.
1616: &mt('Unable to retrieve environment data for').' '.$sname.
1617: &mt('in domain').' '.$sdom.'</p><p>'.
1618: &mt('Please contact your LON-CAPA administrator regarding this situation.').'</p>'.&Apache::loncommon::end_page());
1619: return;
1620: }
1621: # determine the students starting and ending times and section
1622: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1623: if ($starttime =~ /^error/) {
1624: $r->print('<h2>'&mt('Error').'</h2>');
1625: $r->print('<p>'.$starttime.'</p>');
1626: return;
1627: }
1628: #
1629: # Deal with date forms
1630: my $current_date_description = '';
1631: my $textdate = '';
1632:
1633: if (! defined($starttime) || $starttime == 0) {
1634: $current_date_description = &mt('Current Starting Date: not set').
1635: '<br />';
1636: } else {
1637: $current_date_description =
1638: &mt('Current Starting Date: [_1]',
1639: &Apache::lonlocal::locallocaltime($starttime)).'<br />';
1640: }
1641: if (! defined($endtime) || $endtime == 0) {
1642: $current_date_description.= &mt('Current Ending Date: not set').
1643: '<br />';
1644: } else {
1645: $current_date_description.=
1646: &mt('Current Ending Date: [_1]',
1647: &Apache::lonlocal::locallocaltime($endtime)).'<br />';
1648:
1649: }
1650: my $date_table = &date_setting_table($starttime,$endtime);
1651: #
1652: if (! exists($env{'form.Status'}) ||
1653: $env{'form.Status'} !~ /^(Any|Expired|Active|Future)$/) {
1654: $env{'form.Status'} = 'crap';
1655: }
1656: # Make sure student is enrolled in course
1657: my %lt=&Apache::lonlocal::texthash(
1658: 'mef' => "Modify Enrollment for",
1659: 'odcc' => "Only domain coordinators can change a users password.",
1660: 'sn' => "Student Name",
1661: 'fn' => "First",
1662: 'mn' => "Middle",
1663: 'ln' => "Last",
1664: 'gen' => "Generation",
1665: 'sid' => "Student ID",
1666: 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)",
1667: 'sec' => "Section",
1668: 'sm' => "Submit Modifications",
1669: );
1670: # Check if section name is valid
1671: my $section_check = §ion_check_js();
1672: $r->print(<<"END");
1673: <script type="text/javascript">
1674: $section_check
1675: function secverify(formname,caller) {
1676: if (validate(caller) == "error") {
1677: return;
1678: } else {
1679: formname.submit();
1680: }
1681: }
1682: </script>
1683: <p>
1684: <font size="+1">
1685: $lt{'odcc'}
1686: </font>
1687: </p>
1688: <input type="hidden" name="slogin" value="$sname" />
1689: <input type="hidden" name="sdomain" value="$sdom" />
1690: <input type="hidden" name="action" value="modifystudent" />
1691: <input type="hidden" name="state" value="done" />
1692: <input type="hidden" name="sortby" value="$sortby" />
1693: <input type="hidden" name="Status" value="$env{'form.Status'}" />
1694: <h2>$lt{'mef'} $info{'firstname'} $info{'middlename'}
1695: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1696: <p>
1697: <b>$lt{'sn'}</b>
1698: <table>
1699: <tr><th>$lt{'fn'}</th><th>$lt{'mn'}</th><th>$lt{'ln'}</th><th>$lt{'gen'}</th></tr>
1700: <tr><td>
1701: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1702: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1703: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1704: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1705: </table>
1706: </p><p>
1707: <b>$lt{'sid'}</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1708: </p><p>
1709: <label>
1710: <input type="checkbox" name="forceid" >
1711: $lt{'disn'}
1712: </label>
1713: </p><p>
1714: <b>$lt{'sec'}</b>: <input type="text" name="section" value="$section" size="14"/>
1715: </p>
1716: <p>$current_date_description</p>
1717: <p>$date_table</p>
1718: <input type="button" value="$lt{'sm'}" onClick="secverify(this.form,this.form.section)" />
1719: END
1720: $r->print(&Apache::loncommon::end_page());
1721: return;
1722: }
1723:
1724: #
1725: # modify a single students section
1726: #
1727: sub modify_single_student {
1728: my ($r) = @_;
1729: #
1730: # Remove non alphanumeric values from the section
1731: $env{'form.section'} =~ s/\W//g;
1732: #
1733: # Do the date defaults first
1734: my ($starttime,$endtime) = &get_dates_from_form();
1735: if ($env{'form.makedatesdefault'}) {
1736: $r->print(&make_dates_default($starttime,$endtime));
1737: }
1738: # Get the 'sortby' and 'Status' variables so the user goes back to their
1739: # previous screen
1740: my $sortby = $env{'form.sortby'};
1741: my $status = $env{'form.Status'};
1742: #
1743: # We always need this information
1744: my $slogin = $env{'form.slogin'};
1745: my $sdom = $env{'form.sdomain'};
1746: #
1747: # Get the old data
1748: my %old=&Apache::lonnet::get('environment',
1749: ['firstname','middlename',
1750: 'lastname','generation','id'],
1751: $sdom, $slogin);
1752: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1753: $env{'request.course.id'});
1754: my ($tmp) = keys(%old);
1755: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1756: $r->print(&mt('There was an error determining the environment values for')." $slogin \@ $sdom.");
1757: return;
1758: }
1759: undef $tmp;
1760: #
1761: # Get the new data
1762: my $firstname = $env{'form.firstname'};
1763: my $middlename = $env{'form.middlename'};
1764: my $lastname = $env{'form.lastname'};
1765: my $generation = $env{'form.generation'};
1766: my $section = $env{'form.section'};
1767: my $courseid = $env{'request.course.id'};
1768: my $sid = $env{'form.id'};
1769: my $displayable_starttime = localtime($starttime);
1770: my $displayable_endtime = localtime($endtime);
1771: #
1772: # check for forceid override
1773: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1774: ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) {
1775: $r->print("<font color=\"ff0000\">".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.')."</font>");
1776: $sid = $old{'id'};
1777: }
1778: #
1779: # talk to the user about what we are going to do
1780: my %lt=&Apache::lonlocal::texthash(
1781: 'mdu' => "Modifying data for user",
1782: 'si' => "Student Information",
1783: 'fd' => "Field",
1784: 'ov' => "Old Value",
1785: 'nv' => "New Value",
1786: 'fn' => "First name",
1787: 'mn' => "Middle name",
1788: 'ln' => "Last name",
1789: 'gen' => "Generation",
1790: 'sec' => "Section",
1791: 'ri' => "Role Information",
1792: 'st' => "Start Time",
1793: 'et' => "End Time",
1794: );
1795: $r->print(<<END);
1796: <h2>$lt{'mdu'} $slogin \@ $sdom </h2>
1797: <h3>$lt{'si'}</h3>
1798: <table rules="rows" border="1" cellpadding="3" >
1799: <tr>
1800: <th> $lt{'fd'} </th>
1801: <th> $lt{'ov'} </th>
1802: <th> $lt{'nv'} </th>
1803: </tr>
1804: <tr>
1805: <td> <b>$lt{'fn'}</b> </td>
1806: <td> $old{'firstname'} </td>
1807: <td> $firstname </td>
1808: </tr><tr>
1809: <td> <b>$lt{'mn'}</b> </td>
1810: <td> $old{'middlename'} </td>
1811: <td> $middlename </td>
1812: </tr><tr>
1813: <td> <b>$lt{'ln'}</b> </td>
1814: <td> $old{'lastname'} </td>
1815: <td> $lastname </td>
1816: </tr><tr>
1817: <td> <b>$lt{'gen'}</b> </td>
1818: <td> $old{'generation'} </td>
1819: <td> $generation </td>
1820: </tr><tr>
1821: <td> <b>ID</b> </td>
1822: <td> $old{'id'} </td>
1823: <td> $sid </td>
1824: </tr><tr>
1825: <td> <b>$lt{'sec'}</b> </td>
1826: <td> $old{'section'} </td>
1827: <td> $section</td>
1828: </tr>
1829: </table>
1830: <h3>$lt{'ri'}</h3>
1831: <table>
1832: <tr><td align="right"><b>$lt{'st'}:</b></td><td> $displayable_starttime </td></tr>
1833: <tr><td align="right"><b>$lt{'et'}:</b></td><td> $displayable_endtime </td></tr>
1834: </table>
1835: <p>
1836: END
1837: #
1838: # Send request(s) to modify data (final undef is for 'desiredhost',
1839: # which is a moot point because the student already has an account.
1840: my $modify_section_results = &modifystudent($sdom,$slogin,
1841: $env{'request.course.id'},
1842: $section,undef);
1843: if ($modify_section_results !~ /^ok/) {
1844: $r->print(&mt('An error occured during the attempt to change the section for this student.')."<br />");
1845: }
1846: my $roleresults = &Apache::lonnet::modifystudent
1847: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1848: $generation,$section,$endtime,$starttime,$env{'form.forceid'});
1849: if ($roleresults eq 'refused' ) {
1850: $r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
1851: } elsif ($roleresults !~ /ok/) {
1852: $r->print(&mt('An error occurred during the attempt to change the role information for this student.')." <br />".
1853: &mt('The error reported was')." ".
1854: $roleresults);
1855: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1856: " data for ".$slogin." \@ ".$sdom." by ".
1857: $env{'user.name'}." \@ ".$env{'user.domain'}.
1858: ":".$roleresults);
1859: } else { # everything is okay!
1860: $r->print(&mt('Student information updated successfully.')." <br />".
1861: &mt('The student must log out and log in again to see these changes.'));
1862: }
1863: my $Masd=&mt('Modify another students data');
1864: $r->print(<<END);
1865: </p><p>
1866: <input type="hidden" name="action" value="modifystudent" />
1867: <input type="hidden" name="sortby" value="$sortby" />
1868: <input type="hidden" name="Status" value="$status" />
1869: <a href="javascript:document.studentform.submit();">$Masd</a>
1870: END
1871: $r->print(&Apache::loncommon::end_page());
1872: return;
1873: }
1874:
1875: sub get_enrollment_data {
1876: my ($sname,$sdomain) = @_;
1877: my $courseid = $env{'request.course.id'};
1878: my $cdom = $env{'course.'.$courseid.'.domain'};
1879: my $cnum = $env{'course.'.$courseid.'.num'};
1880: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1881: my ($tmp) = keys(%roles);
1882: # Bail out if we were unable to get the students roles
1883: return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1884: # Go through the roles looking for enrollment in this course
1885: my ($end,$start) = (undef,undef);
1886: my $section = '';
1887: my $count = scalar(keys(%roles));
1888: while (my ($course,$role) = each(%roles)) {
1889: if ($course=~m{^/\Q$cdom\E/\Q$cnum\E/*\s*(\w+)*_st$} ) {
1890: #
1891: # Get active role
1892: $section=$1;
1893: (undef,$end,$start)=split(/\_/,$role);
1894: my $now=time;
1895: my $notactive=0;
1896: if ($start) {
1897: if ($now<$start) { $notactive=1; }
1898: }
1899: if ($end) {
1900: if ($now>$end) { $notactive=1; }
1901: }
1902: unless ($notactive) { return ($start,$end,$section); }
1903: }
1904: }
1905: return ($start,$end,$section);
1906: }
1907:
1908: #################################################
1909: #################################################
1910:
1911: =pod
1912:
1913: =item show_drop_list
1914:
1915: Display a list of students to drop
1916: Inputs:
1917:
1918: =over 4
1919:
1920: =item $r, Apache request
1921:
1922: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1923:
1924: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1925: which describes the order elements are stored in the %$classlist values.
1926:
1927: =item $nosort, if true, sorting links are omitted.
1928:
1929: =back
1930:
1931: =cut
1932:
1933: #################################################
1934: #################################################
1935: sub show_drop_list {
1936: my ($r,$classlist,$keylist,$nosort)=@_;
1937: my $cid=$env{'request.course.id'};
1938: if (! exists($env{'form.sortby'})) {
1939: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1940: ['sortby']);
1941: }
1942: my $sortby = $env{'form.sortby'};
1943: if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
1944: $sortby = 'username';
1945: }
1946: my $cdom = $env{'course.'.$cid.'.domain'};
1947: my $cnum = $env{'course.'.$cid,'.num'};
1948: my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
1949: $classlist,$keylist,$cdom,$cnum);
1950: #
1951: my $action = "drop";
1952: $r->print(<<END);
1953: <input type="hidden" name="sortby" value="$sortby" />
1954: <input type="hidden" name="action" value="$action" />
1955: <input type="hidden" name="state" value="done" />
1956: <script>
1957: function checkAll(field) {
1958: for (i = 0; i < field.length; i++)
1959: field[i].checked = true ;
1960: }
1961:
1962: function uncheckAll(field) {
1963: for (i = 0; i < field.length; i++)
1964: field[i].checked = false ;
1965: }
1966: </script>
1967: <p>
1968: <input type="hidden" name="phase" value="four">
1969: END
1970:
1971: my %lt=&Apache::lonlocal::texthash('usrn' => "username",
1972: 'dom' => "domain",
1973: 'sn' => "student name",
1974: 'sec' => "section",
1975: 'start' => "start date",
1976: 'end' => "end date",
1977: 'groups' => "active groups",
1978: );
1979: if ($nosort) {
1980: $r->print(&Apache::loncommon::start_data_table());
1981: $r->print(<<END);
1982: <tr>
1983: <th> </th>
1984: <th>$lt{'usrn'}</th>
1985: <th>$lt{'dom'}</th>
1986: <th>ID</th>
1987: <th>$lt{'sn'}</th>
1988: <th>$lt{'sec'}</th>
1989: <th>$lt{'start'}</th>
1990: <th>$lt{'end'}</th>
1991: <th>$lt{'groups'}</th>
1992: </tr>
1993: END
1994:
1995: } else {
1996: $r->print(&Apache::loncommon::start_data_table());
1997: $r->print(<<END);
1998: <tr><th> </th>
1999: <th>
2000: <a href="/adm/dropadd?action=$action&sortby=username">$lt{'usrn'}</a>
2001: </th><th>
2002: <a href="/adm/dropadd?action=$action&sortby=domain">$lt{'dom'}</a>
2003: </th><th>
2004: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
2005: </th><th>
2006: <a href="/adm/dropadd?action=$action&sortby=fullname">$lt{'sn'}</a>
2007: </th><th>
2008: <a href="/adm/dropadd?action=$action&sortby=section">$lt{'sec'}</a>
2009: </th><th>
2010: <a href="/adm/dropadd?action=$action&sortby=start">$lt{'start'}</a>
2011: </th><th>
2012: <a href="/adm/dropadd?action=$action&sortby=end">$lt{'end'}</a>
2013: </th><th>
2014: <a href="/adm/dropadd?action=$action&sortby=groups">$lt{'groups'}</a>
2015: </th>
2016: </tr>
2017: END
2018: }
2019: #
2020: # Sort the students
2021: my %index;
2022: my $i;
2023: foreach (@$keylist) {
2024: $index{$_} = $i++;
2025: }
2026: $index{'groups'} = scalar(@$keylist);
2027: my $index = $index{$sortby};
2028: my $second = $index{'username'};
2029: my $third = $index{'domain'};
2030: my @Sorted_Students = sort {
2031: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
2032: ||
2033: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
2034: ||
2035: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
2036: } (keys(%$classlist));
2037: foreach my $student (@Sorted_Students) {
2038: my $error;
2039: my $sdata = $classlist->{$student};
2040: my $username = $sdata->[$index{'username'}];
2041: my $domain = $sdata->[$index{'domain'}];
2042: my $section = $sdata->[$index{'section'}];
2043: my $name = $sdata->[$index{'fullname'}];
2044: my $id = $sdata->[$index{'id'}];
2045: my $start = $sdata->[$index{'start'}];
2046: my $end = $sdata->[$index{'end'}];
2047: my $groups = $classgroups->{$student};
2048: my $active_groups;
2049: if (ref($groups->{active}) eq 'HASH') {
2050: $active_groups = join(', ',keys(%{$groups->{'active'}}));
2051: }
2052: if (! defined($start) || $start == 0) {
2053: $start = &mt('none');
2054: } else {
2055: $start = &Apache::lonlocal::locallocaltime($start);
2056: }
2057: if (! defined($end) || $end == 0) {
2058: $end = &mt('none');
2059: } else {
2060: $end = &Apache::lonlocal::locallocaltime($end);
2061: }
2062: my $status = $sdata->[$index{'status'}];
2063: next if ($status ne 'Active');
2064: #
2065: $r->print(&Apache::loncommon::start_data_table_row());
2066: $r->print(<<"END");
2067: <td><input type="checkbox" name="droplist" value="$student"></td>
2068: <td>$username</td>
2069: <td>$domain</td>
2070: <td>$id</td>
2071: <td>$name</td>
2072: <td>$section</td>
2073: <td>$start</td>
2074: <td>$end</td>
2075: <td>$active_groups</td>
2076: END
2077: $r->print(&Apache::loncommon::end_data_table_row());
2078: }
2079: $r->print(&Apache::loncommon::end_data_table().'<br />');
2080: %lt=&Apache::lonlocal::texthash(
2081: 'dp' => "Drop Students",
2082: 'ca' => "check all",
2083: 'ua' => "uncheck all",
2084: );
2085: $r->print(<<"END");
2086: </p><p>
2087: <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)">
2088: <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)">
2089: <p><input type=submit value="$lt{'dp'}"></p>
2090: END
2091: return;
2092: }
2093:
2094: #
2095: # Print out the initial form to get the courselist file
2096: #
2097: sub print_first_courselist_upload_form {
2098: my $r=shift;
2099: my $str;
2100: $str = '<input type="hidden" name="phase" value="two">';
2101: $str .= '<input type="hidden" name="action" value="upload" />';
2102: $str .= '<input type="hidden" name="state" value="got_file" />';
2103: $str .= "<h3>".&mt('Upload a class list')."</h3>\n";
2104: $str .= &Apache::loncommon::upfile_select_html();
2105: $str .= "<p>\n";
2106: $str .= '<input type="submit" name="fileupload" value="'.
2107: &mt('Upload class list').'">'."\n";
2108: $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
2109: &mt('Ignore First Line')."</label></p>\n";
2110: $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
2111: &mt("How do I create a class list from a spreadsheet")).
2112: "<br />\n";
2113: $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
2114: &mt("How do I create a CSV file from a spreadsheet")).
2115: "<br />\n";
2116: $str .= &Apache::loncommon::end_page();
2117: $r->print($str);
2118: return;
2119: }
2120:
2121: # ================================================= Drop/Add from uploaded file
2122: sub upfile_drop_add {
2123: my $r=shift;
2124: &Apache::loncommon::load_tmp_file($r);
2125: my @studentdata=&Apache::loncommon::upfile_record_sep();
2126: if($env{'form.noFirstLine'}){shift(@studentdata);}
2127: my @keyfields = split(/\,/,$env{'form.keyfields'});
2128: my $cid = $env{'request.course.id'};
2129: my %fields=();
2130: for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
2131: if ($env{'form.upfile_associate'} eq 'reverse') {
2132: if ($env{'form.f'.$i} ne 'none') {
2133: $fields{$keyfields[$i]}=$env{'form.f'.$i};
2134: }
2135: } else {
2136: $fields{$env{'form.f'.$i}}=$keyfields[$i];
2137: }
2138: }
2139: #
2140: # Store the field choices away
2141: foreach my $field (qw/username names
2142: fname mname lname gen id sec ipwd email/) {
2143: $env{'form.'.$field.'_choice'}=$fields{$field};
2144: }
2145: &Apache::loncommon::store_course_settings('enrollment_upload',
2146: { 'username_choice' => 'scalar',
2147: 'names_choice' => 'scalar',
2148: 'fname_choice' => 'scalar',
2149: 'mname_choice' => 'scalar',
2150: 'lname_choice' => 'scalar',
2151: 'gen_choice' => 'scalar',
2152: 'id_choice' => 'scalar',
2153: 'sec_choice' => 'scalar',
2154: 'ipwd_choice' => 'scalar',
2155: 'email_choice' => 'scalar' });
2156:
2157: #
2158: my ($startdate,$enddate) = &get_dates_from_form();
2159: if ($env{'form.makedatesdefault'}) {
2160: $r->print(&make_dates_default($startdate,$enddate));
2161: }
2162: # Determine domain and desired host (home server)
2163: my $domain=$env{'form.lcdomain'};
2164: my $desiredhost = $env{'form.lcserver'};
2165: if (lc($desiredhost) eq 'default') {
2166: $desiredhost = undef;
2167: } else {
2168: my %home_servers = &Apache::loncommon::get_library_servers($domain);
2169: if (! exists($home_servers{$desiredhost})) {
2170: $r->print('<font color="#ff0000">'.&mt('Error').'</font>'.
2171: &mt('Invalid home server specified'));
2172: $r->print(&Apache::loncommon::end_page());
2173: return;
2174: }
2175: }
2176: # Determine authentication mechanism
2177: my $amode = '';
2178: my $genpwd = '';
2179: if ($env{'form.login'} eq 'krb') {
2180: $amode='krb';
2181: $amode.=$env{'form.krbver'};
2182: $genpwd=$env{'form.krbarg'};
2183: } elsif ($env{'form.login'} eq 'int') {
2184: $amode='internal';
2185: if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
2186: $genpwd=$env{'form.intarg'};
2187: }
2188: } elsif ($env{'form.login'} eq 'loc') {
2189: $amode='localauth';
2190: if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
2191: $genpwd=$env{'form.locarg'};
2192: }
2193: }
2194: if ($amode =~ /^krb/) {
2195: if (! defined($genpwd) || $genpwd eq '') {
2196: $r->print('<font color="red" size="+1">'.
2197: &mt('Unable to enroll students').'</font> '.
2198: &mt('No Kerberos domain was specified.').'</p>');
2199: $amode = ''; # This causes the loop below to be skipped
2200: }
2201: }
2202: if ( $domain eq &clean_domain($domain)
2203: && ($amode ne '')) {
2204: #######################################
2205: ## Enroll Students ##
2206: #######################################
2207: $r->print('<h3>'.&mt('Enrolling Students')."</h3>\n<p>\n");
2208: my $count=0;
2209: my $flushc=0;
2210: my %student=();
2211: # Get information about course groups
2212: my %curr_groups = &Apache::longroup::coursegroups();
2213: # Get new classlist
2214: foreach (@studentdata) {
2215: my %entries=&Apache::loncommon::record_sep($_);
2216: # Determine student name
2217: unless (($entries{$fields{'username'}} eq '') ||
2218: (!defined($entries{$fields{'username'}}))) {
2219: my ($fname, $mname, $lname,$gen) = ('','','','');
2220: if (defined($fields{'names'})) {
2221: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
2222: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
2223: } else {
2224: if (defined($fields{'fname'})) {
2225: $fname=$entries{$fields{'fname'}};
2226: }
2227: if (defined($fields{'mname'})) {
2228: $mname=$entries{$fields{'mname'}};
2229: }
2230: if (defined($fields{'lname'})) {
2231: $lname=$entries{$fields{'lname'}};
2232: }
2233: if (defined($fields{'gen'})) {
2234: $gen=$entries{$fields{'gen'}};
2235: }
2236: }
2237: if ($entries{$fields{'username'}}
2238: ne &LONCAPA::clean_username($entries{$fields{'username'}})) {
2239: $r->print('<br />'.
2240: &mt('<b>[_1]</b>: Unacceptable username for user [_2] [_3] [_4] [_5]',
2241: $entries{$fields{'username'}},$fname,$mname,$lname,$gen).
2242: '</b>');
2243: } else {
2244: # determine section number
2245: my $sec='';
2246: my $username=$entries{$fields{'username'}};
2247: if (defined($fields{'sec'})) {
2248: if (defined($entries{$fields{'sec'}})) {
2249: $sec=$entries{$fields{'sec'}};
2250: }
2251: }
2252: # remove non alphanumeric values from section
2253: $sec =~ s/\W//g;
2254: if ($sec eq "none" || $sec eq 'all') {
2255: $r->print('<br />'.
2256: &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a reserved word.',
2257: $username,$sec,$fname,$mname,$lname,$gen));
2258: next;
2259: } elsif (($sec ne '') && (exists($curr_groups{$sec}))) {
2260: $r->print('<br />'.
2261: &mt('<b>[_1]</b>: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a course group. Section names and group names must be distinct.',
2262: $username,$sec,$fname,$mname,$lname,$gen));
2263: next;
2264: }
2265: # determine student id number
2266: my $id='';
2267: if (defined($fields{'id'})) {
2268: if (defined($entries{$fields{'id'}})) {
2269: $id=$entries{$fields{'id'}};
2270: }
2271: $id=~tr/A-Z/a-z/;
2272: }
2273: # determine email address
2274: my $email='';
2275: if (defined($fields{'email'})) {
2276: if (defined($entries{$fields{'email'}})) {
2277: $email=$entries{$fields{'email'}};
2278: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
2279: }
2280: }
2281: # determine student password
2282: my $password='';
2283: if ($genpwd) {
2284: $password=$genpwd;
2285: } else {
2286: if (defined($fields{'ipwd'})) {
2287: if ($entries{$fields{'ipwd'}}) {
2288: $password=$entries{$fields{'ipwd'}};
2289: }
2290: }
2291: }
2292: # Clean up whitespace
2293: foreach (\$domain,\$username,\$id,\$fname,\$mname,
2294: \$lname,\$gen,\$sec) {
2295: $$_ =~ s/(\s+$|^\s+)//g;
2296: }
2297: if ($password || $env{'form.login'} eq 'loc') {
2298: &modifystudent($domain,$username,$cid,$sec,
2299: $desiredhost);
2300: my $reply=&Apache::lonnet::modifystudent
2301: ($domain,$username,$id,$amode,$password,
2302: $fname,$mname,$lname,$gen,$sec,$enddate,
2303: $startdate,$env{'form.forceid'},$desiredhost,
2304: $email);
2305: if ($reply ne 'ok') {
2306: $reply =~ s/^error://;
2307: $r->print('<br />'.
2308: &mt('<b>[_1]</b>: Unable to enroll: [_2]',$username,$reply));
2309: } else {
2310: $count++; $flushc++;
2311: $student{$username}=1;
2312: $r->print('. ');
2313: if ($flushc>15) {
2314: $r->rflush;
2315: $flushc=0;
2316: }
2317: }
2318: } else {
2319: $r->print('<br />'.
2320: &mt('<b>[_1]</b>: Unable to enroll. No password specified.',$username)
2321: );
2322: }
2323: }
2324: }
2325: } # end of foreach (@studentdata)
2326: $r->print("</p>\n<p>\n".&mt('Processed [_1] student(s).',$count).
2327: "</p>\n");
2328: $r->print("<p>\n".
2329: &mt('If active, the new role will be available when the '.
2330: 'students next log in to LON-CAPA.')."</p>\n");
2331: #####################################
2332: # Drop students #
2333: #####################################
2334: if ($env{'form.fullup'} eq 'yes') {
2335: $r->print('<h3>'.&mt('Dropping Students')."</h3>\n");
2336: # Get current classlist
2337: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
2338: if (! defined($classlist)) {
2339: $r->print(&mt('There are no students currently enrolled.').
2340: "\n");
2341: } else {
2342: # Remove the students we just added from the list of students.
2343: foreach (@studentdata) {
2344: my %entries=&Apache::loncommon::record_sep($_);
2345: unless (($entries{$fields{'username'}} eq '') ||
2346: (!defined($entries{$fields{'username'}}))) {
2347: delete($classlist->{$entries{$fields{'username'}}.
2348: ':'.$domain});
2349: }
2350: }
2351: # Print out list of dropped students.
2352: &show_drop_list($r,$classlist,$keylist,'nosort');
2353: }
2354: }
2355: } # end of unless
2356: }
2357:
2358: # ================================================================== Phase four
2359: sub drop_student_list {
2360: my $r=shift;
2361: my $count=0;
2362: my @droplist = &Apache::loncommon::get_env_multiple('form.droplist');
2363: foreach (@droplist) {
2364: my ($uname,$udom)=split(/\:/,$_);
2365: # drop student
2366: my $result = &modifystudent($udom,$uname,$env{'request.course.id'});
2367: if ($result eq 'ok' || $result eq 'ok:') {
2368: $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'<br>');
2369: $count++;
2370: } else {
2371: $r->print(
2372: &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result).
2373: '<br />');
2374: }
2375: }
2376: $r->print('<p><b>'.&mt('Dropped [_1] student(s).',$count).'</b></p>');
2377: $r->print('<p>'.&mt('Re-enrollment will re-activate data.')) if ($count);
2378: }
2379:
2380: sub section_check_js {
2381: my $groupslist;
2382: my %curr_groups = &Apache::longroup::coursegroups();
2383: if (%curr_groups) {
2384: $groupslist = join('","',sort(keys(%curr_groups)));
2385: }
2386: return <<"END";
2387: function validate(caller) {
2388: var groups = new Array("$groupslist");
2389: var secname = caller.value;
2390: if ((secname == 'all') || (secname == 'none')) {
2391: alert("'"+secname+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
2392: return 'error';
2393: }
2394: if (secname != '') {
2395: for (var k=0; k<groups.length; k++) {
2396: if (secname == groups[k]) {
2397: alert("'"+secname+"' may not be used as the name for a section, as it is the name of a course group.\\nSection names and group names must be distinct. Please choose a different section name.");
2398: return 'error';
2399: }
2400: }
2401: }
2402: return 'ok';
2403: }
2404: END
2405: }
2406:
2407: ###################################################################
2408: ###################################################################
2409:
2410: =pod
2411:
2412: =item &handler
2413:
2414: The typical handler you see in all these modules. Takes $r, the
2415: http request, as an argument.
2416:
2417: The response to the request is governed by two form variables
2418:
2419: form.action form.state response
2420: ---------------------------------------------------
2421: undefined undefined print main menu
2422: upload undefined print courselist upload menu
2423: upload got_file deal with uploaded file,
2424: print the upload managing menu
2425: upload enrolling enroll students based on upload
2426: drop undefined print the classlist ready to drop
2427: drop done drop the selected students
2428: enrollstudent undefined print student username domain form
2429: enrollstudent gotusername print single student enroll menu
2430: enrollstudent enrolling enroll student
2431: classlist undefined print html classlist
2432: classlist csv print csv classlist
2433: modifystudent undefined print classlist to select student to modify
2434: modifystudent selected print modify student menu
2435: modifystudent done make modifications to student record
2436:
2437: =cut
2438:
2439: ###################################################################
2440: ###################################################################
2441: sub handler {
2442: my $r=shift;
2443: if ($r->header_only) {
2444: &Apache::loncommon::content_type($r,'text/html');
2445: $r->send_http_header;
2446: return OK;
2447: }
2448: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2449: ['action','state']);
2450:
2451: &Apache::lonhtmlcommon::clear_breadcrumbs();
2452: &Apache::lonhtmlcommon::add_breadcrumb
2453: ({href=>"/adm/dropadd",
2454: text=>"Enrollment Manager",
2455: faq=>9,bug=>'Instructor Interface',});
2456: # Needs to be in a course
2457: if (! ($env{'request.course.fn'})) {
2458: # Not in a course
2459: $env{'user.error.msg'}=
2460: "/adm/dropadd:cst:0:0:Cannot manage or view course groups, ".
2461: "or drop or add students";
2462: return HTTP_NOT_ACCEPTABLE;
2463: }
2464: #
2465: my $view_permission =
2466: &Apache::lonnet::allowed('vcl',$env{'request.course.id'});
2467: my $enrl_permission =
2468: &Apache::lonnet::allowed('cst',$env{'request.course.id'});
2469:
2470: my $grp_view_permission =
2471: &Apache::lonnet::allowed('vcg',$env{'request.course.id'});
2472: my $grp_manage_permission =
2473: &Apache::lonnet::allowed('mdg',$env{'request.course.id'});
2474:
2475:
2476: if (! $grp_view_permission && ! $grp_manage_permission &&
2477: ! $view_permission && ! $enrl_permission) {
2478: $env{'user.error.msg'}=
2479: "/adm/coursegroups:cst:0:0:Cannot manage or view course groups, ".
2480: "or drop or add students";
2481: return HTTP_NOT_ACCEPTABLE;
2482: }
2483:
2484: #
2485: # Only output the header information if they did not request csv format
2486: #
2487: # Start page
2488: &Apache::loncommon::content_type($r,'text/html');
2489: $r->send_http_header;
2490: $r->print(&header());
2491: #
2492: # Main switch on form.action and form.state, as appropriate
2493: if (! exists($env{'form.action'})) {
2494: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
2495: &print_main_menu($r,$enrl_permission,$view_permission,$grp_manage_permission,
2496: $grp_view_permission);
2497: } elsif ($env{'form.action'} eq 'upload' && $enrl_permission) {
2498: &Apache::lonhtmlcommon::add_breadcrumb
2499: ({href=>'/adm/dropadd?action=upload&state=',
2500: text=>"Upload Classlist"});
2501: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Upload Classlist',
2502: 'Course_Create_Class_List'));
2503: if (! exists($env{'form.state'})) {
2504: &print_first_courselist_upload_form($r);
2505: } elsif ($env{'form.state'} eq 'got_file') {
2506: &print_upload_manager_form($r);
2507: } elsif ($env{'form.state'} eq 'enrolling') {
2508: if ($env{'form.datatoken'}) {
2509: &upfile_drop_add($r);
2510: } else {
2511: # Hmmm, this is an error
2512: }
2513: } else {
2514: &print_first_courselist_upload_form($r);
2515: }
2516: } elsif ($env{'form.action'} eq 'drop' && $enrl_permission) {
2517: &Apache::lonhtmlcommon::add_breadcrumb
2518: ({href=>'/adm/dropadd?action=drop',
2519: text=>"Drop Students"});
2520: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Drop Students',
2521: 'Course_Drop_Student'));
2522: if (! exists($env{'form.state'})) {
2523: &print_drop_menu($r);
2524: } elsif ($env{'form.state'} eq 'done') {
2525: &drop_student_list($r);
2526: } else {
2527: &print_drop_menu($r);
2528: }
2529: } elsif ($env{'form.action'} eq 'enrollstudent' && $enrl_permission) {
2530: &Apache::lonhtmlcommon::add_breadcrumb
2531: ({href=>'/adm/dropadd?action=enrollstudent',
2532: text=>"Enroll Student"});
2533: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enroll Student',
2534: 'Course_Add_Student'));
2535: if (! exists($env{'form.state'})) {
2536: &get_student_username_domain_form($r);
2537: } elsif ($env{'form.state'} eq 'gotusername') {
2538: &print_enroll_single_student_form($r);
2539: } elsif ($env{'form.state'} eq 'enrolling') {
2540: &enroll_single_student($r);
2541: } else {
2542: &get_student_username_domain_form($r);
2543: }
2544: } elsif ($env{'form.action'} eq 'classlist' && $view_permission) {
2545: &Apache::lonhtmlcommon::add_breadcrumb
2546: ({href=>'/adm/dropadd?action=classlist',
2547: text=>"View Classlist"});
2548: $r->print(&Apache::lonhtmlcommon::breadcrumbs('View Classlist',
2549: 'Course_View_Class_List'));
2550: if (! exists($env{'form.state'})) {
2551: &print_html_classlist($r,undef);
2552: } elsif ($env{'form.state'} eq 'csv') {
2553: &print_html_classlist($r,'csv');
2554: } elsif ($env{'form.state'} eq 'excel') {
2555: &print_html_classlist($r,'excel');
2556: } else {
2557: &print_html_classlist($r,undef);
2558: }
2559: } elsif ($env{'form.action'} eq 'modifystudent' && $enrl_permission) {
2560: &Apache::lonhtmlcommon::add_breadcrumb
2561: ({href=>'/adm/dropadd?action=modifystudent',
2562: text=>"Modify Student Data"});
2563: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Modify Student Data',
2564: 'Course_Modify_Student_Data'));
2565: if (! exists($env{'form.state'})) {
2566: &print_html_classlist($r);
2567: } elsif ($env{'form.state'} eq 'selected') {
2568: &print_modify_student_form($r);
2569: } elsif ($env{'form.state'} eq 'done') {
2570: &modify_single_student($r);
2571: } else {
2572: &print_html_classlist($r);
2573: }
2574: } else {
2575: # We should not end up here, but I guess it is possible
2576: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
2577: "form.action = ".$env{'form.action'}.
2578: "Someone should fix this.");
2579: $r->print(&Apache::lonhtmlcommon::breadcrumbs('Enrollment Manager'));
2580: &print_main_menu($r,$enrl_permission,$view_permission);
2581: }
2582: #
2583: # Finish up
2584: $r->print('</form>'.&Apache::loncommon::end_page());
2585: return OK;
2586: }
2587:
2588: ###################################################################
2589: ###################################################################
2590:
2591: 1;
2592: __END__
2593:
2594:
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