1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.76 2003/07/21 17:54:43 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: # (Handler to set parameters for assessments
29: #
30: # (Handler to resolve ambiguous file locations
31: #
32: # (TeX Content Handler
33: #
34: ###############################################################
35: ###############################################################
36:
37: package Apache::londropadd;
38:
39: use strict;
40: use Apache::lonnet();
41: use Apache::loncommon();
42: use Apache::lonhtmlcommon();
43: use Apache::Constants qw(:common :http REDIRECT);
44: use Spreadsheet::WriteExcel;
45:
46: ###############################################################
47: ###############################################################
48: sub header {
49: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
50: return(<<ENDHEAD);
51: <html>
52: <head>
53: <title>LON-CAPA Enrollment Manager</title>
54: </head>
55: $bodytag
56: <form method="post" enctype="multipart/form-data"
57: action="/adm/dropadd" name="studentform">
58: ENDHEAD
59: }
60:
61: ###############################################################
62: ###############################################################
63: # Drop student from all sections of a course, except optional $csec
64: sub modifystudent {
65: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
66: # if $csec is undefined, drop the student from all the courses matching
67: # this one. If $csec is defined, drop them from all other sections of
68: # this course and add them to section $csec
69: $courseid=~s/\_/\//g;
70: $courseid=~s/^(\w)/\/$1/;
71: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
72: my ($tmp) = keys(%roles);
73: # Bail out if we were unable to get the students roles
74: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
75: # Go through the roles looking for enrollment in this course
76: my $result = '';
77: foreach my $course (keys(%roles)) {
78: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
79: # We are in this course
80: my $section=$1;
81: $section='' if ($course eq $courseid.'_st');
82: if ($section eq $csec) {
83: $result .= 'ok:';
84: } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
85: my (undef,$end,$start)=split(/\_/,$roles{$course});
86: my $now=time;
87: # if this is an active role
88: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
89: my $reply=&Apache::lonnet::modifystudent
90: # dom name id mode pass f m l g
91: ($udom,$unam,'', '', '',undef,undef,undef,undef,
92: $section,time,undef,undef,$desiredhost);
93: $result .= $reply.':';
94: }
95: }
96: }
97: }
98: if ($result eq '') {
99: $result = 'Unable to find section for this student';
100: } else {
101: $result =~ s/(ok:)+/ok/g;
102: }
103: return $result;
104: }
105:
106: ###############################################################
107: ###############################################################
108: # build a domain and server selection form
109: sub domain_form {
110: my ($defdom) = @_;
111: # Set up domain and server selection forms
112: #
113: # Get the domains
114: my @domains = &Apache::loncommon::get_domains();
115: # build up the menu information to be passed to
116: # &Apache::loncommon::linked_select_forms
117: my %select_menus;
118: foreach my $dom (@domains) {
119: # set up the text for this domain
120: $select_menus{$dom}->{'text'}= $dom;
121: # we want a choice of 'default' as the default in the second menu
122: $select_menus{$dom}->{'default'}= 'default';
123: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
124: # Now build up the other items in the second menu
125: my %servers = &Apache::loncommon::get_library_servers($dom);
126: foreach my $server (keys(%servers)) {
127: $select_menus{$dom}->{'select2'}->{$server}
128: = "$server $servers{$server}";
129: }
130: }
131: my $result = &Apache::loncommon::linked_select_forms
132: ('studentform',' with home server ',$defdom,
133: 'lcdomain','lcserver',\%select_menus);
134: return $result;
135: }
136:
137: ###############################################################
138: ###############################################################
139: # Menu Phase One
140: sub print_main_menu {
141: my $r=shift;
142: $r->print(<<END);
143: <p>
144: <font size="+1">
145: <a href="/adm/dropadd?action=upload">Upload a course list</a>
146: </font>
147: </p><p>
148: <font size="+1">
149: <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
150: </font>
151: </p><p>
152: <font size="+1">
153: <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
154: </font>
155: </p><p>
156: <font size="+1">
157: <a href="/adm/dropadd?action=classlist">View Class List</a>
158: </font>
159: </p><p>
160: <font size="+1">
161: <a href="/adm/dropadd?action=drop">Drop Students</a>
162: </font>
163: </p>
164: END
165: }
166:
167: ###############################################################
168: ###############################################################
169: sub print_upload_manager_header {
170: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
171: my $javascript;
172: if (! exists($ENV{'form.upfile_associate'})) {
173: $ENV{'form.upfile_associate'} = 'forward';
174: }
175: if ($ENV{'form.associate'} eq 'Reverse Association') {
176: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
177: $ENV{'form.upfile_associate'} = 'reverse';
178: } else {
179: $ENV{'form.upfile_associate'} = 'forward';
180: }
181: }
182: if ($ENV{'form.upfile_associate'} eq 'reverse') {
183: $javascript=&upload_manager_javascript_reverse_associate();
184: } else {
185: $javascript=&upload_manager_javascript_forward_associate();
186: }
187: my $javascript_validations=&javascript_validations($krbdefdom);
188: $r->print(<<ENDPICK);
189: <h3>Uploading Class List</h3>
190: <hr>
191: <h3>Identify fields</h3>
192: Total number of records found in file: $distotal <hr />
193: Enter as many fields as you can. The system will inform you and bring you back
194: to this page if the data selected is insufficient to run your class.<hr />
195: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
196: <input type="hidden" name="action" value="upload" />
197: <input type="hidden" name="state" value="got_file" />
198: <input type="hidden" name="associate" value="" />
199: <input type="hidden" name="datatoken" value="$datatoken" />
200: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
201: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
202: <input type="hidden" name="upfile_associate"
203: value="$ENV{'form.upfile_associate'}" />
204: <hr />
205: <script type="text/javascript" language="Javascript">
206: $javascript
207: $javascript_validations
208: </script>
209: ENDPICK
210: }
211:
212: ###############################################################
213: ###############################################################
214: sub javascript_validations {
215: my ($krbdefdom)=@_;
216: my %param = ( formname => 'studentform',
217: kerb_def_dom => $krbdefdom );
218: my $authheader = &Apache::loncommon::authform_header(%param);
219: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
220: return (<<ENDPICK);
221: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
222: var foundatype=0;
223: var message='';
224: if (founduname==0) {
225: alert('You need to specify the username field');
226: return;
227: }
228: // alert('current.radiovalue = '+current.radiovalue);
229: if (current.radiovalue == null || current.radiovalue == 'nochange') {
230: // They did not check any of the login radiobuttons.
231: alert('You must choose an authentication type');
232: return;
233: }
234: foundatype=1;
235: if (current.argfield == null || current.argfield == '') {
236: var alertmsg = '';
237: switch (current.value) {
238: case 'krb':
239: alertmsg = 'You need to specify the Kerberos domain';
240: break;
241: case 'loc':
242: case 'fsys':
243: alertmsg = 'You need to specify the initial password';
244: break;
245: case 'fsys':
246: alertmsg = '';
247: break;
248: default:
249: alertmsg = '';
250: }
251: if (alertmsg != '') {
252: alert(alertmsg);
253: return;
254: }
255: }
256:
257: if (foundname==0) { message='name fields'; }
258: if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
259: if (foundsec==0) { if (message!='') { message+=', '; } message+='section or group field'; }
260: if (foundemail==0) { if (message!='') { message+=', '; } message+='email address field'; }
261: if (message!='') {
262: message='Not specified (optional): '+message+'. Continue enrollment?';
263: if (confirm(message)) {
264: vf.state.value='enrolling';
265: vf.submit();
266: }
267: } else {
268: vf.state.value='enrolling';
269: vf.submit();
270: }
271: }
272:
273: $authheader
274: ENDPICK
275:
276: }
277:
278: sub javascript_validations_without_auth {
279: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
280: return (<<ENDPICK);
281: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail) {
282: var foundatype=0;
283: var message='';
284: if (founduname==0) {
285: alert('You need to specify the username field');
286: return;
287: }
288: if (foundname==0) { message='name fields'; }
289: if (foundid==0) { if (message!='') { message+=', '; } message+='student number field'; }
290: if (foundsec==0) { if (message!='') { message+=', '; } message+='section or group field'; }
291: if (foundemail==0) { if (message!='') { message+=', '; } message+='email address field'; }
292: if (message!='') {
293: message='Not specified (optional): '+message+'. Continue enrollment?';
294: if (confirm(message)) {
295: vf.state.value='enrolling';
296: vf.submit();
297: }
298: } else {
299: vf.state.value='enrolling';
300: vf.submit();
301: }
302: }
303:
304: ENDPICK
305:
306: }
307:
308: ###############################################################
309: ###############################################################
310: sub upload_manager_javascript_forward_associate {
311: return(<<ENDPICK);
312: function verify(vf) {
313: var founduname=0;
314: var foundpwd=0;
315: var foundname=0;
316: var foundid=0;
317: var foundsec=0;
318: var foundemail=0;
319: var tw;
320: for (i=0;i<=vf.nfields.value;i++) {
321: tw=eval('vf.f'+i+'.selectedIndex');
322: if (tw==1) { founduname=1; }
323: if ((tw>=2) && (tw<=6)) { foundname=1; }
324: if (tw==7) { foundid=1; }
325: if (tw==8) { foundsec=1; }
326: if (tw==9) { foundpwd=1; }
327: if (tw==10) { foundemail=1; }
328: }
329: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail);
330: }
331:
332: //
333: // vf = this.form
334: // tf = column number
335: //
336: // values of nw
337: //
338: // 0 = none
339: // 1 = username
340: // 2 = names (lastname, firstnames)
341: // 3 = fname (firstname)
342: // 4 = mname (middlename)
343: // 5 = lname (lastname)
344: // 6 = gen (generation)
345: // 7 = id
346: // 8 = section
347: // 9 = ipwd (password)
348: // 10 = email address
349:
350: function flip(vf,tf) {
351: var nw=eval('vf.f'+tf+'.selectedIndex');
352: var i;
353: // make sure no other columns are labeled the same as this one
354: for (i=0;i<=vf.nfields.value;i++) {
355: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
356: eval('vf.f'+i+'.selectedIndex=0;')
357: }
358: }
359: // If we set this to 'lastname, firstnames', clear out all the ones
360: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
361: if (nw==2) {
362: for (i=0;i<=vf.nfields.value;i++) {
363: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
364: (eval('vf.f'+i+'.selectedIndex')<=6)) {
365: eval('vf.f'+i+'.selectedIndex=0;')
366: }
367: }
368: }
369: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
370: // clear out any that are set to 'lastname, firstnames' (2)
371: if ((nw>=3) && (nw<=6)) {
372: for (i=0;i<=vf.nfields.value;i++) {
373: if (eval('vf.f'+i+'.selectedIndex')==2) {
374: eval('vf.f'+i+'.selectedIndex=0;')
375: }
376: }
377: }
378: // If we set the password, make the password form below correspond to
379: // the new value.
380: if (nw==9) {
381: changed_radio('int',document.studentform);
382: set_auth_radio_buttons('int',document.studentform);
383: vf.intarg.value='';
384: vf.krbarg.value='';
385: vf.locarg.value='';
386: }
387: }
388:
389: function clearpwd(vf) {
390: var i;
391: for (i=0;i<=vf.nfields.value;i++) {
392: if (eval('vf.f'+i+'.selectedIndex')==9) {
393: eval('vf.f'+i+'.selectedIndex=0;')
394: }
395: }
396: }
397:
398: ENDPICK
399: }
400:
401: ###############################################################
402: ###############################################################
403: sub upload_manager_javascript_reverse_associate {
404: return(<<ENDPICK);
405: function verify(vf) {
406: var founduname=0;
407: var foundpwd=0;
408: var foundname=0;
409: var foundid=0;
410: var foundsec=0;
411: var tw;
412: for (i=0;i<=vf.nfields.value;i++) {
413: tw=eval('vf.f'+i+'.selectedIndex');
414: if (i==0 && tw!=0) { founduname=1; }
415: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
416: if (i==6 && tw!=0) { foundid=1; }
417: if (i==7 && tw!=0) { foundsec=1; }
418: if (i==8 && tw!=0) { foundpwd=1; }
419: }
420: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
421: }
422:
423: function flip(vf,tf) {
424: var nw=eval('vf.f'+tf+'.selectedIndex');
425: var i;
426: // picked the all one one name field, reset the other name ones to blank
427: if (tf==1 && nw!=0) {
428: for (i=2;i<=5;i++) {
429: eval('vf.f'+i+'.selectedIndex=0;')
430: }
431: }
432: //picked one of the piecewise name fields, reset the all in
433: //one field to blank
434: if ((tf>=2) && (tf<=5) && (nw!=0)) {
435: eval('vf.f1.selectedIndex=0;')
436: }
437: // intial password specified, pick internal authentication
438: if (tf==8 && nw!=0) {
439: changed_radio('int',document.studentform);
440: set_auth_radio_buttons('int',document.studentform);
441: vf.krbarg.value='';
442: vf.intarg.value='';
443: vf.locarg.value='';
444: }
445: }
446:
447: function clearpwd(vf) {
448: var i;
449: if (eval('vf.f8.selectedIndex')!=0) {
450: eval('vf.f8.selectedIndex=0;')
451: }
452: }
453: ENDPICK
454: }
455:
456: ###############################################################
457: ###############################################################
458: sub print_upload_manager_footer {
459: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
460:
461: my ($krbdef,$krbdefdom) =
462: &Apache::loncommon::get_kerberos_defaults($defdom);
463: my %param = ( formname => 'document.studentform',
464: kerb_def_dom => $krbdefdom,
465: kerb_def_auth => $krbdef
466: );
467: my $krbform = &Apache::loncommon::authform_kerberos(%param);
468: my $intform = &Apache::loncommon::authform_internal(%param);
469: my $locform = &Apache::loncommon::authform_local(%param);
470: my $domform = &domain_form($defdom);
471: my $date_table = &date_setting_table();
472: $r->print(<<ENDPICK);
473: </table>
474: <input type=hidden name=nfields value=$i>
475: <input type=hidden name=keyfields value="$keyfields">
476: <h3>Login Type</h3>
477: <p>Note: this will not take effect if the user already exists</p>
478: <p>
479: $krbform
480: </p>
481: <p>
482: $intform
483: </p>
484: <p>
485: $locform
486: </p>
487: <h3>LON-CAPA Domain for Students</h3>
488: LON-CAPA domain: $domform <p>
489: <h3>Starting and Ending Dates</h3>
490: <p>
491: $date_table
492: </p>
493: <h3>Full Update</h3>
494: <input type=checkbox name=fullup value=yes> Full update
495: (also print list of users not enrolled anymore)<p>
496: <h3>ID/Student Number</h3>
497: <input type=checkbox name=forceid value=yes>
498: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
499: (only do if you know what you are doing)<p>
500: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
501: Note: for large courses, this operation may be time consuming.
502: ENDPICK
503: }
504:
505: # ======================================================= Menu Phase Two Upload
506: sub print_upload_manager_form {
507: my $r=shift;
508:
509: my $datatoken;
510: if (!$ENV{'form.datatoken'}) {
511: $datatoken=&Apache::loncommon::upfile_store($r);
512: } else {
513: $datatoken=$ENV{'form.datatoken'};
514: &Apache::loncommon::load_tmp_file($r);
515: }
516: my @records=&Apache::loncommon::upfile_record_sep();
517: my $total=$#records;
518: my $distotal=$total+1;
519: my $today=time;
520: my $halfyear=$today+15552000;
521: my $defdom=$r->dir_config('lonDefDomain');
522: my ($krbdef,$krbdefdom) =
523: &Apache::loncommon::get_kerberos_defaults($defdom);
524: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
525: my $i;
526: my $keyfields;
527: if ($total>=0) {
528: my @d=(['username','Username'],
529: ['names','Last Name, First Names'],
530: ['fname','First Name'],
531: ['mname','Middle Names/Initials'],
532: ['lname','Last Name'],
533: ['gen','Generation'],
534: ['id','ID/Student Number'],
535: ['sec','Group/Section'],
536: ['ipwd','Initial Password'],
537: ['email','EMail Address']);
538: if ($ENV{'form.upfile_associate'} eq 'reverse') {
539: &Apache::loncommon::csv_print_samples($r,\@records);
540: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
541: foreach (@d) { $keyfields.=$_->[0].','; }
542: chop($keyfields);
543: } else {
544: unshift(@d,['none','']);
545: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
546: my %sone=&Apache::loncommon::record_sep($records[0]);
547: $keyfields=join(',',sort(keys(%sone)));
548: }
549: }
550: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
551: }
552:
553: # ======================================================= Enroll single student
554: sub enroll_single_student {
555: my $r=shift;
556: #
557: # We do the dates first because the action of making them the defaul
558: # in the course is entirely seperate from the action of enrolling the
559: # student. Also, a failure in setting the dates as default is not fatal
560: # to the process of enrolling / modifying a student.
561: my ($startdate,$enddate) = &get_dates_from_form();
562: if ($ENV{'form.makedatesdefault'}) {
563: $r->print(&make_dates_default($startdate,$enddate));
564: }
565:
566: $r->print('<h3>Enrolling Student</h3>');
567: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
568: $ENV{'form.lcdomain'}.'</p>');
569: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
570: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
571: # Deal with home server selection
572: my $domain=$ENV{'form.lcdomain'};
573: my $desiredhost = $ENV{'form.lcserver'};
574: if (lc($desiredhost) eq 'default') {
575: $desiredhost = undef;
576: } else {
577: my %home_servers =&Apache::loncommon::get_library_servers($domain);
578: if (! exists($home_servers{$desiredhost})) {
579: $r->print('<font color="#ff0000">Error:</font>'.
580: 'Invalid home server specified');
581: return;
582: }
583: }
584: $r->print(" with server $desiredhost :") if (defined($desiredhost));
585: # End of home server selection logic
586: my $amode='';
587: my $genpwd='';
588: if ($ENV{'form.login'} eq 'krb') {
589: $amode='krb';
590: $amode.=$ENV{'form.krbver'};
591: $genpwd=$ENV{'form.krbarg'};
592: } elsif ($ENV{'form.login'} eq 'int') {
593: $amode='internal';
594: $genpwd=$ENV{'form.intarg'};
595: } elsif ($ENV{'form.login'} eq 'loc') {
596: $amode='localauth';
597: $genpwd=$ENV{'form.locarg'};
598: if (!$genpwd) { $genpwd=" "; }
599: }
600: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
601: $ENV{'form.lcdomain'});
602: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
603: # Clean out any old roles the student has in this class.
604: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
605: $ENV{'request.course.id'},$ENV{'form.csec'},
606: $desiredhost);
607: my $login_result = &Apache::lonnet::modifystudent
608: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
609: $ENV{'form.cstid'},$amode,$genpwd,
610: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
611: $ENV{'form.clast'},$ENV{'form.cgen'},
612: $ENV{'form.csec'},$enddate,
613: $startdate,$ENV{'form.forceid'},
614: $desiredhost);
615: if ($login_result =~ /^ok/) {
616: $r->print($login_result);
617: $r->print("<p> If active, the new role will be available ".
618: "when the student next logs in to LON-CAPA.</p>");
619: } else {
620: $r->print("unable to enroll: ".$login_result);
621: }
622: } else {
623: $r->print('<p><font color="#ff0000">ERROR</font> '.
624: 'Invalid login mode or password. '.
625: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
626: }
627: } else {
628: $r->print('Invalid username or domain');
629: }
630: }
631:
632: sub setup_date_selectors {
633: my ($starttime,$endtime) = @_;
634: if (! defined($starttime)) {
635: $starttime = time;
636: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
637: '.default_enrollment_start_date'})) {
638: $starttime = $ENV{'course.'.$ENV{'request.course.id'}.
639: '.default_enrollment_start_date'};
640: }
641: }
642: if (! defined($endtime)) {
643: $endtime = time+(6*30*24*60*60); # 6 months from now, approx
644: if (exists($ENV{'course.'.$ENV{'request.course.id'}.
645: '.default_enrollment_end_date'})) {
646: $endtime = $ENV{'course.'.$ENV{'request.course.id'}.
647: '.default_enrollment_end_date'};
648: }
649: }
650: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
651: 'startdate',
652: $starttime);
653: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
654: 'enddate',
655: $endtime);
656: return ($startdateform,$enddateform);
657: }
658:
659: sub get_dates_from_form {
660: my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
661: my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
662: if ($ENV{'form.no_end_date'}) {
663: $enddate = 0;
664: }
665: return ($startdate,$enddate);
666: }
667:
668: sub date_setting_table {
669: my ($starttime,$endtime) = @_;
670: my ($startform,$endform)=&setup_date_selectors($starttime,$endtime);
671: my $dateDefault = '<nobr>'.
672: '<input type="checkbox" name="makedatesdefault" />'.
673: ' make these dates the default for future enrollment';
674: my $perpetual = '<nobr><input type="checkbox" name="no_end_date"';
675: if (defined($endtime) && $endtime == 0) {
676: $perpetual .= ' checked';
677: }
678: $perpetual.= ' />'.' no ending date</nobr>';
679: my $result = '';
680: $result .= "<table>\n";
681: $result .= '<tr><td align="right">Starting Date</td>'.
682: '<td>'.$startform.'</td>'.
683: '<td>'.$dateDefault.'</td>'."</tr>\n";
684: $result .= '<tr><td align="right">Ending Date</td>'.
685: '<td>'.$endform.'</td>'.
686: '<td>'.$perpetual.'</td>'."</tr>\n";
687: $result .= "</table>\n";
688: return $result;
689: }
690:
691: sub make_dates_default {
692: my ($startdate,$enddate) = @_;
693: my $result = '';
694: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
695: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
696: my $put_result = &Apache::lonnet::put('environment',
697: {'default_enrollment_start_date'=>$startdate,
698: 'default_enrollment_end_date' =>$enddate},$dom,$crs);
699: if ($put_result eq 'ok') {
700: $result .= "Set default start and end dates for course<br />";
701: #
702: # Refresh the course environment
703: &Apache::lonnet::coursedescription($ENV{'request.course.id'});
704: } else {
705: $result .= "Unable to set default dates for course:".$put_result.
706: '<br />';
707: }
708: return $result;
709: }
710:
711: ##
712: ## Single student enrollment routines (some of them)
713: ##
714: sub get_student_username_domain_form {
715: my $r = shift;
716: my $domform = &Apache::loncommon::select_dom_form
717: ($r->dir_config('lonDefDomain'),'cudomain',0);
718: $r->print(<<END);
719: <input type="hidden" name="action" value="enrollstudent" />
720: <input type="hidden" name="state" value="gotusername" />
721: <h3>Enroll One Student</h3>
722: <table>
723: <tr><th>Username:</th>
724: <td><input type="text" name="cuname" size="15" /></td></tr>
725: <tr><th>Domain:</th>
726: <td>$domform</td></tr>
727: <tr><th> </th>
728: <td>
729: <input type="submit" name="Begin Enrollment" value="Begin Enrollment" />
730: </td></tr>
731: </table>
732: END
733: return;
734: }
735:
736: sub print_enroll_single_student_form {
737: my $r=shift;
738: $r->print("<h3>Enroll One Student</h3>");
739: #
740: my $username = $ENV{'form.cuname'};
741: my $domain = $ENV{'form.cudomain'};
742: my $home = &Apache::lonnet::homeserver($username,$domain);
743: # $new_user flags whether we are creating a new user or using an old one
744: my $new_user = 1;
745: if ($home ne 'no_host') {
746: $new_user = 0;
747: }
748: &Apache::lonnet::logthis('home = '.$home);
749: #
750: my $user_data_html = '';
751: my $javascript_validations = '';
752: if ($new_user) {
753: my $defdom=$r->dir_config('lonDefDomain');
754: # Set up authentication forms
755: my ($krbdef,$krbdefdom) =
756: &Apache::loncommon::get_kerberos_defaults($domain);
757: $javascript_validations=&javascript_validations($krbdefdom);
758: my %param = ( formname => 'document.studentform',
759: kerb_def_dom => $krbdefdom,
760: kerb_def_auth => $krbdef
761: );
762: my $krbform = &Apache::loncommon::authform_kerberos(%param);
763: my $intform = &Apache::loncommon::authform_internal(%param);
764: my $locform = &Apache::loncommon::authform_local(%param);
765: #
766: # Set up domain selection form
767: my $homeserver_form = '';
768: my %servers = &Apache::loncommon::get_library_servers($domain);
769: $homeserver_form = '<select name="lcserver" size="1">'."\n".
770: '<option value="default" selected>default</option>'."\n";
771: while (my ($servername,$serverdescription) = each (%servers)) {
772: $homeserver_form .= '<option value="'.$servername.'">'.
773: $serverdescription."</option>\n";
774: }
775: $homeserver_form .= "</select>\n";
776: #
777: #
778: $user_data_html = <<END;
779: <h3>User Data for $username\@$domain</h3>
780: <table>
781: <tr><th>First Name:</th>
782: <td><input type="text" name="cfirst" size="15"></td></tr>
783: <tr><th>Middle Name:</th>
784: <td><input type="text" name="cmiddle" size="15"></td></tr>
785: <tr><th>Last Name:</th>
786: <td><input type="text" name="clast" size="15"></td></tr>
787: <tr><th>Generation:</th>
788: <td><input type="text" name="cgen" size="5"> </td></tr>
789: <tr><th>Home Server:</th>
790: <td>$homeserver_form</td></tr>
791: </table>
792: <h3>Password</h3>
793: Please select an authentication mechanism
794: <table>
795: <p>
796: $krbform
797: <br />
798: $intform
799: <br />
800: $locform
801: </p>
802: END
803: } else {
804: # User already exists. Do not worry about authentication
805: my %uenv = &Apache::lonnet::dump('environment',$domain,$username);
806: $javascript_validations = &javascript_validations_without_auth();
807: $user_data_html = <<END;
808: <h3>User Data for $username\@$domain</h3>
809: <input type="hidden" name="lcserver" value="default" />
810: <table>
811: <tr><th>First Name:</th>
812: <td>
813: <input type="text" name="cfirst" value="$uenv{'firstname'}" size="15" />
814: </td></tr>
815: <tr><th>Middle Name:</th>
816: <td>
817: <input type="text" name="cmiddle" value="$uenv{'middlename'}" size="15" />
818: </td></tr>
819: <tr><th>Last Name:</th>
820: <td>
821: <input type="text" name="clast"value="$uenv{'lastname'}" size="15" />
822: </td></tr>
823: <tr><th>Generation:</th>
824: <td>
825: <input type="text" name="cgen" value="$uenv{'generation'}" size="5" />
826: </td></tr>
827: </table>
828: END
829: }
830: my $date_table = &date_setting_table();
831: # Print it all out
832: $r->print(<<END);
833: <input type="hidden" name="action" value="enrollstudent" />
834: <input type="hidden" name="state" value="done" />
835: <input type="hidden" name="cuname" value="$username" />
836: <input type="hidden" name="lcdomain" value="$domain" />
837: <script type="text/javascript" language="Javascript">
838: function verify(vf) {
839: var founduname=0;
840: var foundpwd=0;
841: var foundname=0;
842: var foundid=0;
843: var foundsec=0;
844: var tw;
845: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
846: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
847: founduname=1;
848: }
849: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
850: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
851: foundname=1;
852: }
853: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
854: foundsec=1;
855: }
856: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
857: foundid=1;
858: }
859: if (founduname==0) {
860: alert('You need to specify at least the username and domain fields');
861: return;
862: }
863: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
864: }
865:
866: $javascript_validations
867:
868: function clearpwd(vf) {
869: //nothing else needs clearing
870: }
871:
872: </script>
873:
874: $user_data_html
875:
876: <h3>Course Data</h3>
877:
878: <p>Group/Section: <input type="text" name="csec" size="5" />
879: <p>
880: $date_table
881: </p>
882: <h3>ID/Student Number</h3>
883: <p>
884: ID/Student Number: <input type="text" name="cstid" size="10">
885: </p><p>
886: <input type="checkbox" name="forceid" value="yes">
887: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
888: (only do if you know what you are doing)
889: </p><p>
890: <input type="button" onClick="verify(this.form)" value="Enroll as student">
891: </p>
892: END
893: return;
894: }
895:
896: # ========================================================= Menu Phase Two Drop
897: sub print_drop_menu {
898: my $r=shift;
899: $r->print("<h3>Drop Students</h3>");
900: my $cid=$ENV{'request.course.id'};
901: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
902: if (! defined($classlist)) {
903: $r->print("There are no students currently enrolled.\n");
904: return;
905: }
906: # Print out the available choices
907: &show_drop_list($r,$classlist,$keylist);
908: return;
909: }
910:
911: # ============================================== view classlist
912: sub print_html_classlist {
913: my $r=shift;
914: if (! exists($ENV{'form.sortby'})) {
915: $ENV{'form.sortby'} = 'username';
916: }
917: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
918: $ENV{'form.Status'} = 'Active';
919: }
920: my $status_select = &Apache::lonhtmlcommon::StatusOptions
921: ($ENV{'form.Status'},'studentform');
922: $r->print(<<END);
923: <input type="hidden" name="action" value="$ENV{'form.action'}" />
924: <input type="hidden" name="state" value="" />
925: <p>
926: <font size="+1">Current Class List</font>
927:
928: END
929: if ($ENV{'form.action'} ne 'modifystudent') {
930: $r->print(<<END);
931: <font size="+1">
932: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
933:
934: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
935: </font>
936:
937: Student Status:
938: END
939: }
940: $r->print($status_select."</p>\n");
941: my $cid=$ENV{'request.course.id'};
942: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
943: if (! defined($classlist)) {
944: $r->print("There are no students currently enrolled.\n");
945: } else {
946: # Print out the available choices
947: if ($ENV{'form.action'} eq 'modifystudent') {
948: &show_class_list($r,'view','modify','modifystudent',
949: $ENV{'form.Status'},$classlist,$keylist);
950: } else {
951: &show_class_list($r,'view','aboutme','classlist',
952: $ENV{'form.Status'},$classlist,$keylist);
953: }
954: }
955: }
956:
957: # ============================================== view classlist
958: sub print_formatted_classlist {
959: my $r=shift;
960: my $mode = shift;
961: my $cid=$ENV{'request.course.id'};
962: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
963: if (! defined($classlist)) {
964: $r->print("There are no students currently enrolled.\n");
965: } else {
966: &show_class_list($r,$mode,'nolink','csv',
967: $ENV{'form.Status'},$classlist,$keylist);
968: }
969: }
970:
971: # =================================================== Show student list to drop
972: sub show_class_list {
973: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
974: my $cid=$ENV{'request.course.id'};
975: #
976: # Variables for excel output
977: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
978: #
979: my $sortby = $ENV{'form.sortby'};
980: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
981: $sortby = 'username';
982: }
983: # Print out header
984: if ($mode eq 'view') {
985: if ($linkto eq 'aboutme') {
986: $r->print('Select a user name to view the users personal page.');
987: } elsif ($linkto eq 'modify') {
988: $r->print('Select a user name to modify the students information');
989: }
990: $r->print(<<END);
991:
992: <input type="hidden" name="sortby" value="$sortby" />
993: <input type="hidden" name="sname" value="" />
994: <input type="hidden" name="sdom" value="" />
995: <p>
996: <table border=2>
997: <tr><th>
998: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
999: </th><th>
1000: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
1001: </th><th>
1002: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
1003: </th><th>
1004: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
1005: </th><th>
1006: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
1007: </th>
1008: </tr>
1009: END
1010: } elsif ($mode eq 'csv') {
1011: if($statusmode eq 'Expired') {
1012: $r->print('"Students with expired roles"');
1013: }
1014: if ($statusmode eq 'Any') {
1015: $r->print('"'.join('","',("username","domain","ID","student name",
1016: "section","status")).'"'."\n");
1017: } else {
1018: $r->print('"'.join('","',("username","domain","ID","student name",
1019: "section")).'"'."\n");
1020: }
1021: } elsif ($mode eq 'excel') {
1022: # Create the excel spreadsheet
1023: $excel_filename = '/prtspool/'.
1024: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1025: time.'_'.rand(1000000000).'.xls';
1026: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
1027: $excel_filename);
1028: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
1029: $excel_sheet = $excel_workbook->addworksheet('classlist');
1030: #
1031: my $description = 'Class List for '.
1032: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
1033: $excel_sheet->write($row++,0,$description);
1034: #
1035: $excel_sheet->write($row++,0,["username","domain","ID",
1036: "student name","section","status"]);
1037: }
1038: #
1039: # Sort the students
1040: my %index;
1041: my $i;
1042: foreach (@$keylist) {
1043: $index{$_} = $i++;
1044: }
1045: my $index = $index{$sortby};
1046: my $second = $index{'username'};
1047: my $third = $index{'domain'};
1048: my @Sorted_Students = sort {
1049: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1050: ||
1051: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1052: ||
1053: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1054: } (keys(%$classlist));
1055: foreach my $student (@Sorted_Students) {
1056: my $username = $classlist->{$student}->[$index{'username'}];
1057: my $domain = $classlist->{$student}->[$index{'domain'}];
1058: my $section = $classlist->{$student}->[$index{'section'}];
1059: my $name = $classlist->{$student}->[$index{'fullname'}];
1060: my $id = $classlist->{$student}->[$index{'id'}];
1061: my $status = $classlist->{$student}->[$index{'status'}];
1062: next if (($statusmode ne 'Any') && ($status ne $statusmode));
1063: if ($mode eq 'view') {
1064: $r->print("<tr>\n <td>\n ");
1065: if ($linkto eq 'nothing') {
1066: $r->print($username);
1067: } elsif ($linkto eq 'aboutme') {
1068: $r->print(&Apache::loncommon::aboutmewrapper($username,
1069: $username,
1070: $domain));
1071: } elsif ($linkto eq 'modify') {
1072: $r->print('<a href="'.
1073: "javascript:document.studentform.sname.value='".
1074: $username.
1075: "';document.studentform.sdom.value='".$domain.
1076: "';document.studentform.state.value='selected".
1077: "';document.studentform.submit();".'">'.
1078: $username."</a>\n");
1079: }
1080: $r->print(<<"END");
1081: </td>
1082: <td>$domain</td>
1083: <td>$id</td>
1084: <td>$name</td>
1085: <td>$section</td>
1086: </tr>
1087: END
1088: } elsif ($mode eq 'csv') {
1089: # no need to bother with $linkto
1090: my @line = ();
1091: foreach ($username,$domain,$id,$name,$section) {
1092: push @line,&Apache::loncommon::csv_translate($_);
1093: }
1094: if ($statusmode eq 'Any') {
1095: push @line,&Apache::loncommon::csv_translate($status);
1096: }
1097: my $tmp = $";
1098: $" = '","';
1099: $r->print("\"@line\"\n");
1100: $" = $tmp;
1101: } elsif ($mode eq 'excel') {
1102: $excel_sheet->write($row++,0,[$username,$domain,$id,
1103: $name,$section,$status]);
1104: }
1105: }
1106: if ($mode eq 'view') {
1107: $r->print('</table><br>');
1108: } elsif ($mode eq 'excel') {
1109: $excel_workbook->close();
1110: $r->print('<p><a href="'.$excel_filename.'">'.
1111: 'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
1112: }
1113: }
1114:
1115:
1116: #
1117: # print out form for modification of a single students data
1118: #
1119: sub print_modify_student_form {
1120: my $r = shift();
1121: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1122: ['sdom','sname']);
1123: my $sname = $ENV{'form.sname'};
1124: my $sdom = $ENV{'form.sdom'};
1125: my $sortby = $ENV{'form.sortby'};
1126: # determine the students name information
1127: my %info=&Apache::lonnet::get('environment',
1128: ['firstname','middlename',
1129: 'lastname','generation','id'],
1130: $sdom, $sname);
1131: my ($tmp) = keys(%info);
1132: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1133: $r->print('<font color="#ff0000" size="+2">Error</font>'.
1134: '<p>'.
1135: 'Unable to retrieve environment data for '.$sname.
1136: 'in domain '.$sdom.'</p><p>'.
1137: 'Please contact your LON-CAPA administrator '.
1138: 'regarding this situation.</p></body></html>');
1139: return;
1140: }
1141: # determine the students starting and ending times and section
1142: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
1143: # Deal with date forms
1144: my $date_table = &date_setting_table($starttime,$endtime);
1145: #
1146: if (! exists($ENV{'form.Status'}) ||
1147: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
1148: $ENV{'form.Status'} = 'crap';
1149: }
1150: # Make sure student is enrolled in course
1151: $r->print(<<END);
1152: <p>
1153: <font size="+1">
1154: Only domain coordinators can change a users password.
1155: </font>
1156: </p>
1157: <input type="hidden" name="slogin" value="$sname" />
1158: <input type="hidden" name="sdomain" value="$sdom" />
1159: <input type="hidden" name="action" value="modifystudent" />
1160: <input type="hidden" name="state" value="done" />
1161: <input type="hidden" name="sortby" value="$sortby" />
1162: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1163:
1164: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'}
1165: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1166: <p>
1167: <b>Student Name</b>
1168: <table>
1169: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
1170: <tr><td>
1171: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1172: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1173: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1174: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1175: </table>
1176: </p><p>
1177: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1178: </p><p>
1179: <input type="checkbox" name="forceid" >
1180: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1181: (only do if you know what you are doing)
1182: </p><p>
1183: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
1184: </p>
1185: <p>$date_table</p>
1186: <input type="submit" value="Submit Modifications" />
1187: </body></html>
1188: END
1189: return;
1190: }
1191:
1192: #
1193: # modify a single students section
1194: #
1195: sub modify_single_student {
1196: my $r = shift;
1197: #
1198: # Do the date defaults first
1199: my ($starttime,$endtime) = &get_dates_from_form();
1200: if ($ENV{'form.makedatesdefault'}) {
1201: $r->print(&make_dates_default($starttime,$endtime));
1202: }
1203: # Get the 'sortby' and 'Status' variables so the user goes back to their
1204: # previous screen
1205: my $sortby = $ENV{'form.sortby'};
1206: my $status = $ENV{'form.Status'};
1207: #
1208: # We always need this information
1209: my $slogin = $ENV{'form.slogin'};
1210: my $sdom = $ENV{'form.sdomain'};
1211: #
1212: # Get the old data
1213: my %old=&Apache::lonnet::get('environment',
1214: ['firstname','middlename',
1215: 'lastname','generation','id'],
1216: $sdom, $slogin);
1217: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1218: $ENV{'request.course.id'});
1219: my ($tmp) = keys(%old);
1220: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1221: $r->print("There was an error determining the environment values ".
1222: " for $slogin \@ $sdom.");
1223: return;
1224: }
1225: undef $tmp;
1226: #
1227: # Get the new data
1228: my $firstname = $ENV{'form.firstname'};
1229: my $middlename = $ENV{'form.middlename'};
1230: my $lastname = $ENV{'form.lastname'};
1231: my $generation = $ENV{'form.generation'};
1232: my $section = $ENV{'form.section'};
1233: my $courseid = $ENV{'request.course.id'};
1234: my $sid = $ENV{'form.id'};
1235: my $displayable_starttime = localtime($starttime);
1236: my $displayable_endtime = localtime($endtime);
1237: #
1238: # check for forceid override
1239: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1240: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1241: $r->print("<font color=\"ff0000\">You changed the students id ".
1242: " but did not disable the ID change safeguard.".
1243: " The students id will not be changed.</font>");
1244: $sid = $old{'id'};
1245: }
1246: #
1247: # talk to the user about what we are going to do
1248: $r->print(<<END);
1249: <h2>Modifying data for user $slogin \@ $sdom </h2>
1250: <h3>Student Information</h3>
1251: <table rules="rows" border="1" cellpadding="3" >
1252: <tr>
1253: <th> Field </th>
1254: <th> Old Value </th>
1255: <th> New Value </th>
1256: </tr>
1257: <tr>
1258: <td> <b>First name</b> </td>
1259: <td> $old{'firstname'} </td>
1260: <td> $firstname </td>
1261: </tr><tr>
1262: <td> <b>Middle name</b> </td>
1263: <td> $old{'middlename'} </td>
1264: <td> $middlename </td>
1265: </tr><tr>
1266: <td> <b>Last name</b> </td>
1267: <td> $old{'lastname'} </td>
1268: <td> $lastname </td>
1269: </tr><tr>
1270: <td> <b>Generation</b> </td>
1271: <td> $old{'generation'} </td>
1272: <td> $generation </td>
1273: </tr><tr>
1274: <td> <b>ID</b> </td>
1275: <td> $old{'id'} </td>
1276: <td> $sid </td>
1277: </tr><tr>
1278: <td> <b>Section</b> </td>
1279: <td> $old{'section'} </td>
1280: <td> $section</td>
1281: </tr>
1282: </table>
1283: <h3>Role Information</h3>
1284: <table>
1285: <tr><td align="right"><b>Start Time:</b></td><td> $displayable_starttime </td></tr>
1286: <tr><td align="right"><b>End Time:</b></td><td> $displayable_endtime </td></tr>
1287: </table>
1288: <p>
1289: END
1290: #
1291: # Send request(s) to modify data (final undef is for 'desiredhost',
1292: # which is a moot point because the student already has an account.
1293: my $modify_section_results = &modifystudent($sdom,$slogin,
1294: $ENV{'request.course.id'},
1295: $section,undef);
1296: if ($modify_section_results !~ /^ok/) {
1297: $r->print("An error occured during the attempt to change the ".
1298: "section for this student.<br />");
1299: }
1300: my $roleresults = &Apache::lonnet::modifystudent
1301: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1302: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1303: if ($roleresults eq 'refused' ) {
1304: $r->print("Your request to change the role information for this ".
1305: "student was refused. You do not appear to have ".
1306: "sufficient authority to change student information.");
1307: } elsif ($roleresults !~ /ok/) {
1308: $r->print("An error occurred during the attempt to change the role".
1309: " information for this student. <br />".
1310: "The error reported was ".
1311: $roleresults);
1312: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1313: " data for ".$slogin." \@ ".$sdom." by ".
1314: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1315: ":".$roleresults);
1316: } else { # everything is okay!
1317: $r->print("Student information updated successfully. <br />".
1318: "The student must log out and log in again to see ".
1319: "these changes.");
1320: }
1321: $r->print(<<END);
1322: </p><p>
1323: <input type="hidden" name="action" value="modifystudent" />
1324: <input type="hidden" name="sortby" value="$sortby" />
1325: <input type="hidden" name="Status" value="$status" />
1326: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1327: </body></html>
1328: END
1329: return;
1330: }
1331:
1332: sub get_enrollment_data {
1333: my ($sname,$sdomain) = @_;
1334: my $courseid = $ENV{'request.course.id'};
1335: $courseid =~ s:_:/:g;
1336: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1337: my ($tmp) = keys(%roles);
1338: # Bail out if we were unable to get the students roles
1339: return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1340: # Go through the roles looking for enrollment in this course
1341: my ($end,$start) = (undef,undef);
1342: my $section = '';
1343: my $count = scalar(keys(%roles));
1344: while (my ($course,$role) = each(%roles)) {
1345: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1346: #
1347: # Get active role
1348: $section=$1;
1349: (undef,$end,$start)=split(/\_/,$role);
1350: my $now=time;
1351: my $notactive=0;
1352: if ($start) {
1353: if ($now<$start) { $notactive=1; }
1354: }
1355: if ($end) {
1356: if ($now>$end) { $notactive=1; }
1357: }
1358: unless ($notactive) { return ($start,$end,$section); }
1359: }
1360: }
1361: return ($start,$end,$section);
1362: }
1363:
1364: #################################################
1365: #################################################
1366:
1367: =pod
1368:
1369: =item show_drop_list
1370:
1371: Display a list of students to drop
1372: Inputs:
1373:
1374: =over 4
1375:
1376: =item $r, Apache request
1377:
1378: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1379:
1380: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1381: which describes the order elements are stored in the %$classlist values.
1382:
1383: =item $nosort, if true, sorting links are omitted.
1384:
1385: =back
1386:
1387: =cut
1388:
1389: #################################################
1390: #################################################
1391: sub show_drop_list {
1392: my ($r,$classlist,$keylist,$nosort)=@_;
1393: my $cid=$ENV{'request.course.id'};
1394: if (! exists($ENV{'form.sortby'})) {
1395: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1396: ['sortby']);
1397: }
1398: my $sortby = $ENV{'form.sortby'};
1399: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1400: $sortby = 'username';
1401: }
1402: #
1403: my $action = "drop";
1404: $r->print(<<END);
1405: <input type="hidden" name="sortby" value="$sortby" />
1406: <input type="hidden" name="action" value="$action" />
1407: <input type="hidden" name="state" value="done" />
1408: <script>
1409: function checkAll(field) {
1410: for (i = 0; i < field.length; i++)
1411: field[i].checked = true ;
1412: }
1413:
1414: function uncheckAll(field) {
1415: for (i = 0; i < field.length; i++)
1416: field[i].checked = false ;
1417: }
1418: </script>
1419: <p>
1420: <input type="hidden" name="phase" value="four">
1421: END
1422:
1423: if ($nosort) {
1424: $r->print(<<END);
1425: <table border=2>
1426: <tr>
1427: <th> </th>
1428: <th>username</th>
1429: <th>domain</th>
1430: <th>ID</th>
1431: <th>student name</th>
1432: <th>section</th>
1433: </tr>
1434: END
1435:
1436: } else {
1437: $r->print(<<END);
1438: <table border=2>
1439: <tr><th> </th>
1440: <th>
1441: <a href="/adm/dropadd?action=$action&sortby=username">username</a>
1442: </th><th>
1443: <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
1444: </th><th>
1445: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1446: </th><th>
1447: <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
1448: </th><th>
1449: <a href="/adm/dropadd?action=$action&sortby=section">section</a>
1450: </th>
1451: </tr>
1452: END
1453: }
1454: #
1455: # Sort the students
1456: my %index;
1457: my $i;
1458: foreach (@$keylist) {
1459: $index{$_} = $i++;
1460: }
1461: my $index = $index{$sortby};
1462: my $second = $index{'username'};
1463: my $third = $index{'domain'};
1464: my @Sorted_Students = sort {
1465: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1466: ||
1467: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1468: ||
1469: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1470: } (keys(%$classlist));
1471: foreach my $student (@Sorted_Students) {
1472: my $error;
1473: my $username = $classlist->{$student}->[$index{'username'}];
1474: my $domain = $classlist->{$student}->[$index{'domain'}];
1475: my $section = $classlist->{$student}->[$index{'section'}];
1476: my $name = $classlist->{$student}->[$index{'fullname'}];
1477: my $id = $classlist->{$student}->[$index{'id'}];
1478: my $status = $classlist->{$student}->[$index{'status'}];
1479: next if ($status ne 'Active');
1480: #
1481: $r->print(<<"END");
1482: <tr>
1483: <td><input type="checkbox" name="droplist" value="$student"></td>
1484: <td>$username</td>
1485: <td>$domain</td>
1486: <td>$id</td>
1487: <td>$name</td>
1488: <td>$section</td>
1489: </tr>
1490: END
1491: }
1492: $r->print('</table><br>');
1493: $r->print(<<"END");
1494: </p><p>
1495: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
1496: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
1497: <p><input type=submit value="Drop Students"></p>
1498: END
1499: return;
1500: }
1501:
1502: #
1503: # Print out the initial form to get the courselist file
1504: #
1505: sub print_first_courselist_upload_form {
1506: my $r=shift;
1507: my $upfile_select=&Apache::loncommon::upfile_select_html();
1508: my $create_classlist_help =
1509: &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1510: "How do I create a class list from a spreadsheet");
1511: my $create_csv_help =
1512: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1513: "How do I create a CSV file from a spreadsheet");
1514: $r->print(<<ENDUPFORM);
1515: <input type=hidden name=phase value=two>
1516: <h3>Upload a courselist</h3>
1517: $upfile_select
1518: <p>
1519: <input type=submit name="fileupload" value="Upload Courselist">
1520: <input type="hidden" name="action" value="upload" />
1521: <input type="hidden" name="state" value="got_file" />
1522: </p>
1523: $create_classlist_help <br />
1524: $create_csv_help
1525: </body></html>
1526: ENDUPFORM
1527: return;
1528: }
1529:
1530: # ================================================= Drop/Add from uploaded file
1531: sub upfile_drop_add {
1532: my $r=shift;
1533: &Apache::loncommon::load_tmp_file($r);
1534: my @studentdata=&Apache::loncommon::upfile_record_sep();
1535: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1536: my $cid = $ENV{'request.course.id'};
1537: my %fields=();
1538: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1539: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1540: if ($ENV{'form.f'.$i} ne 'none') {
1541: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1542: }
1543: } else {
1544: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1545: }
1546: }
1547: #
1548: my ($startdate,$enddate) = &get_dates_from_form();
1549: if ($ENV{'form.makedatesdefault'}) {
1550: $r->print(&make_dates_default($startdate,$enddate));
1551: }
1552: # Determine domain and desired host (home server)
1553: my $domain=$ENV{'form.lcdomain'};
1554: my $desiredhost = $ENV{'form.lcserver'};
1555: if (lc($desiredhost) eq 'default') {
1556: $desiredhost = undef;
1557: } else {
1558: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1559: if (! exists($home_servers{$desiredhost})) {
1560: $r->print('<font color="#ff0000">Error:</font>'.
1561: 'Invalid home server specified');
1562: return;
1563: }
1564: }
1565: # Determine authentication mechanism
1566: my $amode = '';
1567: my $genpwd = '';
1568: if ($ENV{'form.login'} eq 'krb') {
1569: $amode='krb';
1570: $amode.=$ENV{'form.krbver'};
1571: $genpwd=$ENV{'form.krbarg'};
1572: } elsif ($ENV{'form.login'} eq 'int') {
1573: $amode='internal';
1574: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1575: $genpwd=$ENV{'form.intarg'};
1576: }
1577: } elsif ($ENV{'form.login'} eq 'loc') {
1578: $amode='localauth';
1579: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1580: $genpwd=$ENV{'form.locarg'};
1581: }
1582: }
1583: unless (($domain=~/\W/) || ($amode eq '')) {
1584: #######################################
1585: ## Enroll Students ##
1586: #######################################
1587: $r->print('<h3>Enrolling Students</h3>'."\n".'<p>');
1588: my $count=0;
1589: my $flushc=0;
1590: my %student=();
1591: # Get new classlist
1592: foreach (@studentdata) {
1593: my %entries=&Apache::loncommon::record_sep($_);
1594: # Determine student name
1595: unless (($entries{$fields{'username'}} eq '') ||
1596: (!defined($entries{$fields{'username'}}))) {
1597: my ($fname, $mname, $lname,$gen) = ('','','','');
1598: if (defined($fields{'names'})) {
1599: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1600: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1601: } else {
1602: if (defined($fields{'fname'})) {
1603: $fname=$entries{$fields{'fname'}};
1604: }
1605: if (defined($fields{'mname'})) {
1606: $mname=$entries{$fields{'mname'}};
1607: }
1608: if (defined($fields{'lname'})) {
1609: $lname=$entries{$fields{'lname'}};
1610: }
1611: if (defined($fields{'gen'})) {
1612: $gen=$entries{$fields{'gen'}};
1613: }
1614: }
1615: if ($entries{$fields{'username'}}=~/\W/) {
1616: $r->print('<br /><b>Unacceptable username: '.
1617: $entries{$fields{'username'}}.' for user '.
1618: $fname.' '.$mname.' '.$lname.' '.$gen.'</b>');
1619: } else {
1620: # determine section number
1621: my $sec='';
1622: my $username=$entries{$fields{'username'}};
1623: if (defined($fields{'sec'})) {
1624: if (defined($entries{$fields{'sec'}})) {
1625: $sec=$entries{$fields{'sec'}};
1626: }
1627: }
1628: # determine student id number
1629: my $id='';
1630: if (defined($fields{'id'})) {
1631: if (defined($entries{$fields{'id'}})) {
1632: $id=$entries{$fields{'id'}};
1633: }
1634: $id=~tr/A-Z/a-z/;
1635: }
1636: # determine email address
1637: my $email='';
1638: if (defined($fields{'email'})) {
1639: if (defined($entries{$fields{'email'}})) {
1640: $email=$entries{$fields{'email'}};
1641: unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
1642: }
1643: }
1644: # determine student password
1645: my $password='';
1646: if ($genpwd) {
1647: $password=$genpwd;
1648: } else {
1649: if (defined($fields{'ipwd'})) {
1650: if ($entries{$fields{'ipwd'}}) {
1651: $password=$entries{$fields{'ipwd'}};
1652: }
1653: }
1654: }
1655: # Clean up whitespace
1656: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1657: \$lname,\$gen,\$sec) {
1658: $$_ =~ s/(\s+$|^\s+)//g;
1659: }
1660: if ($password) {
1661: &modifystudent($domain,$username,$cid,$sec,
1662: $desiredhost);
1663: my $reply=&Apache::lonnet::modifystudent
1664: ($domain,$username,$id,$amode,$password,
1665: $fname,$mname,$lname,$gen,$sec,$enddate,
1666: $startdate,$ENV{'form.forceid'},$desiredhost,
1667: $email);
1668: if ($reply ne 'ok') {
1669: $reply =~ s/^error://;
1670: $r->print('<br /><b>'.$username.'</b>:'.
1671: ' Unable to enroll: '.$reply);
1672: } else {
1673: $count++; $flushc++;
1674: $student{$username}=1;
1675: $r->print('. ');
1676: if ($flushc>15) {
1677: $r->rflush;
1678: $flushc=0;
1679: }
1680: }
1681: } else {
1682: $r->print('<br /><b>'.$username.'</b>:'.
1683: ' Unable to enroll: No password specified.');
1684: }
1685: }
1686: }
1687: } # end of foreach (@studentdata)
1688: $r->print('</p><p>Processed Students: '.$count.'</p>');
1689: $r->print("<p>If active, the new role will be available when the ".
1690: "students next log in to LON-CAPA.</p>");
1691: #####################################
1692: # Drop students #
1693: #####################################
1694: if ($ENV{'form.fullup'} eq 'yes') {
1695: $r->print('<h3>Dropping Students</h3>');
1696: # Get current classlist
1697: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1698: if (! defined($classlist)) {
1699: $r->print("There are no students currently enrolled.\n");
1700: } else {
1701: # Remove the students we just added from the list of students.
1702: foreach (@studentdata) {
1703: my %entries=&Apache::loncommon::record_sep($_);
1704: unless (($entries{$fields{'username'}} eq '') ||
1705: (!defined($entries{$fields{'username'}}))) {
1706: delete($classlist->{$entries{$fields{'username'}}.
1707: ':'.$domain});
1708: }
1709: }
1710: # Print out list of dropped students.
1711: &show_drop_list($r,$classlist,$keylist,'nosort');
1712: }
1713: }
1714: } # end of unless
1715: }
1716:
1717: # ================================================================== Phase four
1718: sub drop_student_list {
1719: my $r=shift;
1720: my $count=0;
1721: my @droplist;
1722: if (ref($ENV{'form.droplist'})) {
1723: @droplist = @{$ENV{'form.droplist'}};
1724: } else {
1725: @droplist = ($ENV{'form.droplist'});
1726: }
1727: foreach (@droplist) {
1728: my ($uname,$udom)=split(/\:/,$_);
1729: # drop student
1730: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1731: if ($result eq 'ok' || $result eq 'ok:') {
1732: $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
1733: $count++;
1734: } else {
1735: $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
1736: '<br />');
1737: }
1738: }
1739: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1740: $r->print('<p>Re-enrollment will re-activate data.') if ($count);
1741: }
1742:
1743: ###################################################################
1744: ###################################################################
1745:
1746: =pod
1747:
1748: =item &handler
1749:
1750: The typical handler you see in all these modules. Takes $r, the
1751: http request, as an argument.
1752:
1753: The response to the request is governed by two form variables
1754:
1755: form.action form.state response
1756: ---------------------------------------------------
1757: undefined undefined print main menu
1758: upload undefined print courselist upload menu
1759: upload got_file deal with uploaded file,
1760: print the upload managing menu
1761: upload enrolling enroll students based on upload
1762: drop undefined print the classlist ready to drop
1763: drop done drop the selected students
1764: enrollstudent undefined print student username domain form
1765: enrollstudent gotusername print single student enroll menu
1766: enrollstudent enrolling enroll student
1767: classlist undefined print html classlist
1768: classlist csv print csv classlist
1769: modifystudent undefined print classlist to select student to modify
1770: modifystudent selected print modify student menu
1771: modifystudent done make modifications to student record
1772:
1773: =cut
1774:
1775: ###################################################################
1776: ###################################################################
1777: sub handler {
1778: my $r=shift;
1779: if ($r->header_only) {
1780: $r->content_type('text/html');
1781: $r->send_http_header;
1782: return OK;
1783: }
1784: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1785: ['action','state']);
1786: # Needs to be in a course
1787: if (! (($ENV{'request.course.fn'}) &&
1788: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1789: # Not in a course, or not allowed to modify parms
1790: $ENV{'user.error.msg'}=
1791: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1792: return HTTP_NOT_ACCEPTABLE;
1793: }
1794: #
1795: # Only output the header information if they did not request csv format
1796: #
1797: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1798: $r->content_type('text/csv');
1799: } else {
1800: # Start page
1801: $r->content_type('text/html');
1802: $r->send_http_header;
1803: $r->print(&header());
1804: }
1805: #
1806: # Main switch on form.action and form.state, as appropriate
1807: if (! exists($ENV{'form.action'})) {
1808: &print_main_menu($r);
1809: } elsif ($ENV{'form.action'} eq 'upload') {
1810: if (! exists($ENV{'form.state'})) {
1811: &print_first_courselist_upload_form($r);
1812: } elsif ($ENV{'form.state'} eq 'got_file') {
1813: &print_upload_manager_form($r);
1814: } elsif ($ENV{'form.state'} eq 'enrolling') {
1815: if ($ENV{'form.datatoken'}) {
1816: &upfile_drop_add($r);
1817: } else {
1818: # Hmmm, this is an error
1819: }
1820: } else {
1821: &print_first_courselist_upload_form($r);
1822: }
1823: } elsif ($ENV{'form.action'} eq 'drop') {
1824: if (! exists($ENV{'form.state'})) {
1825: &print_drop_menu($r);
1826: } elsif ($ENV{'form.state'} eq 'done') {
1827: &drop_student_list($r);
1828: } else {
1829: &print_drop_menu($r);
1830: }
1831: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1832: if (! exists($ENV{'form.state'})) {
1833: &get_student_username_domain_form($r);
1834: } elsif ($ENV{'form.state'} eq 'gotusername') {
1835: &print_enroll_single_student_form($r);
1836: } elsif ($ENV{'form.state'} eq 'enrolling') {
1837: &enroll_single_student($r);
1838: } else {
1839: &get_student_username_domain_form($r);
1840: }
1841: } elsif ($ENV{'form.action'} eq 'classlist') {
1842: if (! exists($ENV{'form.state'})) {
1843: &print_html_classlist($r);
1844: } elsif ($ENV{'form.state'} eq 'csv') {
1845: &print_formatted_classlist($r,'csv');
1846: } elsif ($ENV{'form.state'} eq 'excel') {
1847: &print_formatted_classlist($r,'excel');
1848: } else {
1849: &print_html_classlist($r);
1850: }
1851: } elsif ($ENV{'form.action'} eq 'modifystudent') {
1852: if (! exists($ENV{'form.state'})) {
1853: &print_html_classlist($r);
1854: } elsif ($ENV{'form.state'} eq 'selected') {
1855: &print_modify_student_form($r);
1856: } elsif ($ENV{'form.state'} eq 'done') {
1857: &modify_single_student($r);
1858: } else {
1859: &print_html_classlist($r);
1860: }
1861: } else {
1862: # We should not end up here, but I guess it is possible
1863: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
1864: "form.action = ".$ENV{'form.action'}.
1865: "Someone should fix this.");
1866: &print_main_menu($r);
1867: }
1868: #
1869: # Finish up
1870: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1871: $r->print("\n");
1872: } else {
1873: $r->print('</form></body></html>');
1874: }
1875: return OK;
1876: }
1877:
1878: ###################################################################
1879: ###################################################################
1880:
1881: 1;
1882: __END__
1883:
1884:
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