1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.48 2002/09/09 20:54:52 matthew 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: # YEAR=2000
35: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
36: #
37: # 10/11,10/12,10/16 Gerd Kortemeyer)
38: #
39: # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
40: # 12/08,12/12 Gerd Kortemeyer)
41: #
42: # 12/26,12/27,12/28,
43: # YEAR=2001
44: # 01/01/01,01/15,02/10,02/13,02/14,02/22 Gerd Kortemeyer
45: # 8/6 Scott Harrison
46: # Guy Albertelli
47: # 9/25 Gerd Kortemeyer
48: # 12/19 Guy Albertelli
49: # YEAR=2002
50: # 1/4 Gerd Kortemeyer
51:
52: package Apache::londropadd;
53:
54: use strict;
55: use Apache::lonnet();
56: use Apache::loncommon();
57: use Apache::Constants qw(:common :http REDIRECT);
58:
59: # ================================================================ Print header
60:
61: sub header {
62: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
63: return(<<ENDHEAD);
64: <html>
65: <head>
66: <title>LON-CAPA Enrollment Manager</title>
67: </head>
68: $bodytag
69: <form method="post" enctype="multipart/form-data"
70: action="/adm/dropadd" name="studentform">
71: ENDHEAD
72: }
73:
74: # =========== Drop student from all sections of a course, except optional $csec
75: sub modifystudent {
76: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
77: # if $csec is undefined, drop the student from all the courses matching
78: # this one. If $csec is defined, drop them from all other sections of
79: # this course and add them to section $csec
80: $courseid=~s/\_/\//g;
81: $courseid=~s/^(\w)/\/$1/;
82: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
83: my ($tmp) = keys(%roles);
84: # Bail out if we were unable to get the students roles
85: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
86: # Go through the roles looking for enrollment in this course
87: my $result = '';
88: foreach my $course (keys(%roles)) {
89: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
90: # We are in this course
91: my $section=$1;
92: $section='' if ($course eq $courseid.'_st');
93: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
94: my (undef,$end,$start)=split(/\_/,$roles{$course});
95: my $now=time;
96: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
97: my $reply=&Apache::lonnet::modifystudent
98: ($udom,$unam,'','','','','','','',
99: $section,time,undef,undef,$desiredhost);
100: $result .= $reply.':';
101: }
102: }
103: }
104: }
105: if ($result eq '') {
106: $result eq 'Unable to find section for this student';
107: } else {
108: $result =~ s/(ok:)+/ok/g;
109: }
110: return $result;
111: }
112:
113: # ============ build a domain and server selection form
114: sub domain_form {
115: my ($defdom) = @_;
116: # Set up domain and server selection forms
117: #
118: # Get the domains
119: my @domains = &Apache::loncommon::get_domains();
120: # build up the menu information to be passed to
121: # &Apache::loncommon::linked_select_forms
122: my %select_menus;
123: foreach my $dom (@domains) {
124: # set up the text for this domain
125: $select_menus{$dom}->{'text'}= $dom;
126: # we want a choice of 'default' as the default in the second menu
127: $select_menus{$dom}->{'default'}= 'default';
128: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
129: # Now build up the other items in the second menu
130: my %servers = &Apache::loncommon::get_library_servers($dom);
131: foreach my $server (keys(%servers)) {
132: $select_menus{$dom}->{'select2'}->{$server}
133: = "$server $servers{$server}";
134: }
135: }
136: my $result = &Apache::loncommon::linked_select_forms
137: ('studentform',' with home server ',$defdom,
138: 'lcdomain','lcserver',\%select_menus);
139: return $result;
140: }
141:
142: # ============================================================== Menu Phase One
143: sub menu_phase_one {
144: my $r=shift;
145: $r->print(<<END);
146: <p>
147: <font size="+1"><a href="/adm/dropadd?phase=two&uplist=yes">Upload a course list</a></font>
148: </p><p>
149: <font size="+1"><a href="/adm/dropadd?phase=two&enroll=yes">Enroll a single student</a></font>
150: </p><p>
151: <font size="+1"><a href="/adm/dropadd?phase=two&view=yes">View Classlist</a></font>
152: </p><p>
153: <font size="+1"><a href="/adm/dropadd?phase=two&drop=yes">Drop Students</a></font>
154: </p>
155: END
156: }
157:
158: sub phase_two_header {
159: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
160: my $javascript;
161: if ($ENV{'form.upfile_associate'} eq 'reverse') {
162: $javascript=&phase_two_javascript_reverse_associate();
163: } else {
164: $javascript=&phase_two_javascript_forward_associate();
165: }
166: my $javascript_validations=&javascript_validations($krbdefdom);
167: $r->print(<<ENDPICK);
168: <h3>Uploading Class List</h3>
169: <hr>
170: <h3>Identify fields</h3>
171: Total number of records found in file: $distotal <hr />
172: Enter as many fields as you can. The system will inform you and bring you back
173: to this page if the data selected is insufficient to run your class.<hr />
174: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
175: <input type="hidden" name="associate" value="" />
176: <input type="hidden" name="phase" value="three" />
177: <input type="hidden" name="datatoken" value="$datatoken" />
178: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
179: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
180: <input type="hidden" name="upfile_associate"
181: value="$ENV{'form.upfile_associate'}" />
182: <hr />
183: <script type="text/javascript" language="Javascript">
184: $javascript
185: $javascript_validations
186: </script>
187: ENDPICK
188: }
189:
190: sub javascript_validations {
191: my ($krbdefdom)=@_;
192: my %param = ( formname => 'studentform',
193: kerb_def_dom => $krbdefdom );
194: my $authheader = &Apache::loncommon::authform_header(%param);
195: return (<<ENDPICK);
196: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
197: var foundatype=0;
198: var message='';
199: if (founduname==0) {
200: alert('You need to specify the username field');
201: return;
202: }
203: if (current.radiovalue == null || current.radiovalue == 'nochange') {
204: // They did not check any of the login radiobuttons.
205: alert('You must choose an authentication type');
206: return;
207: }
208: foundatype=1;
209: if (current.argfield == null || current.argfield == '') {
210: var alertmsg = '';
211: switch (current.value) {
212: case 'krb':
213: alertmsg = 'You need to specify the Kerberos domain';
214: break;
215: case 'loc':
216: case 'fsys':
217: alertmsg = 'You need to specify the initial password';
218: break;
219: case 'fsys':
220: alertmsg = '';
221: break;
222: default:
223: alertmsg = '';
224: }
225: if (alertmsg != '') {
226: alert(alertmsg);
227: return;
228: }
229: }
230:
231: if (foundname==0) { message='No name fields specified. '; }
232: if (foundid==0) { message+='No ID or student number field specified. '; }
233: if (foundsec==0) { message+='No section or group field specified. '; }
234: if (vf.startdate.value=='') {
235: message+='No starting date set. ';
236: }
237: if (vf.enddate.value=='') {
238: message+='No ending date set. ';
239: }
240: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
241: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
242: alert('Ending date is before starting date');
243: return;
244: }
245: }
246: if (message!='') {
247: message+='Continue enrollment?';
248: if (confirm(message)) {
249: pclose();
250: vf.submit();
251: }
252: } else {
253: pclose();
254: vf.submit();
255: }
256: }
257:
258:
259: function pclose() {
260: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
261: "height=350,width=350,scrollbars=no,menubar=no");
262: parmwin.close();
263: }
264:
265: function pjump(type,dis,value,marker,ret,call) {
266: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
267: +"&value="+escape(value)+"&marker="+escape(marker)
268: +"&return="+escape(ret)
269: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
270: "height=350,width=350,scrollbars=no,menubar=no");
271:
272: }
273:
274: function dateset() {
275: if (document.studentform.pres_marker.value=='end') {
276: document.studentform.enddate.value=
277: document.studentform.pres_value.value;
278: }
279: if (document.studentform.pres_marker.value=='start') {
280: document.studentform.startdate.value=
281: document.studentform.pres_value.value;
282: }
283: pclose();
284: }
285:
286: $authheader
287: ENDPICK
288:
289: }
290:
291: sub phase_two_javascript_forward_associate {
292: return(<<ENDPICK);
293: function verify(vf) {
294: var founduname=0;
295: var foundpwd=0;
296: var foundname=0;
297: var foundid=0;
298: var foundsec=0;
299: var tw;
300: for (i=0;i<=vf.nfields.value;i++) {
301: tw=eval('vf.f'+i+'.selectedIndex');
302: if (tw==1) { founduname=1; }
303: if ((tw>=2) && (tw<=6)) { foundname=1; }
304: if (tw==7) { foundid=1; }
305: if (tw==8) { foundsec=1; }
306: if (tw==9) { foundpwd=1; }
307: }
308: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
309: }
310:
311: function flip(vf,tf) {
312: var nw=eval('vf.f'+tf+'.selectedIndex');
313: var i;
314: for (i=0;i<=vf.nfields.value;i++) {
315: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
316: eval('vf.f'+i+'.selectedIndex=0;')
317: }
318: }
319: if (tf==1 && nw!=0) {
320: for (i=2;i<=5;i++) {
321: eval('vf.f'+i+'.selectedIndex=0;')
322: }
323: }
324: if (nw==2) {
325: for (i=0;i<=vf.nfields.value;i++) {
326: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
327: (eval('vf.f'+i+'.selectedIndex')<=6)) {
328: eval('vf.f'+i+'.selectedIndex=0;')
329: }
330: }
331: }
332: if ((nw>=3) && (nw<=6)) {
333: for (i=0;i<=vf.nfields.value;i++) {
334: if (eval('vf.f'+i+'.selectedIndex')==2) {
335: eval('vf.f'+i+'.selectedIndex=0;')
336: }
337: }
338: }
339: if (nw==9) {
340: changed_radio('int',document.studentform);
341: set_auth_radio_buttons('int',document.studentform);
342: vf.intarg.value='';
343: vf.krbarg.value='';
344: vf.locarg.value='';
345: }
346: }
347:
348: function clearpwd(vf) {
349: var i;
350: for (i=0;i<=vf.nfields.value;i++) {
351: if (eval('vf.f'+i+'.selectedIndex')==9) {
352: eval('vf.f'+i+'.selectedIndex=0;')
353: }
354: }
355: }
356:
357: ENDPICK
358: }
359:
360: sub phase_two_javascript_reverse_associate {
361: return(<<ENDPICK);
362: function verify(vf) {
363: var founduname=0;
364: var foundpwd=0;
365: var foundname=0;
366: var foundid=0;
367: var foundsec=0;
368: var tw;
369: for (i=0;i<=vf.nfields.value;i++) {
370: tw=eval('vf.f'+i+'.selectedIndex');
371: if (i==0 && tw!=0) { founduname=1; }
372: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
373: if (i==6 && tw!=0) { foundid=1; }
374: if (i==7 && tw!=0) { foundsec=1; }
375: if (i==8 && tw!=0) { foundpwd=1; }
376: }
377: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
378: }
379:
380: function flip(vf,tf) {
381: var nw=eval('vf.f'+tf+'.selectedIndex');
382: var i;
383: // picked the all one one name field, reset the other name ones to blank
384: if (tf==1 && nw!=0) {
385: for (i=2;i<=5;i++) {
386: eval('vf.f'+i+'.selectedIndex=0;')
387: }
388: }
389: //picked one of the piecewise name fields, reset the all in
390: //one field to blank
391: if ((tf>=2) && (tf<=5) && (nw!=0)) {
392: eval('vf.f1.selectedIndex=0;')
393: }
394: // intial password specified, pick internal authentication
395: if (tf==8 && nw!=0) {
396: changed_radio('int',document.studentform);
397: set_auth_radio_buttons('int',document.studentform);
398: vf.krbarg.value='';
399: vf.intarg.value='';
400: vf.locarg.value='';
401: }
402: }
403:
404: function clearpwd(vf) {
405: var i;
406: if (eval('vf.f8.selectedIndex')!=0) {
407: eval('vf.f8.selectedIndex=0;')
408: }
409: }
410: ENDPICK
411: }
412:
413: sub phase_two_end {
414: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
415: my %param = ( formname => 'document.studentform');
416: my $krbform = &Apache::loncommon::authform_kerberos(%param);
417: my $intform = &Apache::loncommon::authform_internal(%param);
418: my $locform = &Apache::loncommon::authform_local(%param);
419: my $domform = &domain_form($defdom);
420: $r->print(<<ENDPICK);
421: </table>
422: <input type=hidden name=nfields value=$i>
423: <input type=hidden name=keyfields value="$keyfields">
424: <h3>Login Type</h3>
425: <p>Note: this will not take effect if the user already exists</p>
426: <p>
427: $krbform
428: </p>
429: <p>
430: $intform
431: </p>
432: <p>
433: $locform
434: </p>
435: <h3>LON-CAPA Domain for Students</h3>
436: LON-CAPA domain: $domform <p>
437: <h3>Starting and Ending Dates</h3>
438: <input type="hidden" value='' name="pres_value" >
439: <input type="hidden" value='' name="pres_type" >
440: <input type="hidden" value='' name="pres_marker" >
441: <input type="hidden" value='$today' name="startdate" >
442: <input type="hidden" value='$halfyear' name="enddate" >
443: <a
444: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
445: >Set Starting Date</a><p>
446:
447: <a
448: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
449: >Set Ending Date</a><p>
450: <h3>Full Update</h3>
451: <input type=checkbox name=fullup value=yes> Full update
452: (also print list of users not enrolled anymore)<p>
453: <h3>ID/Student Number</h3>
454: <input type=checkbox name=forceid value=yes>
455: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
456: (only do if you know what you are doing)<p>
457: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
458: Note: for large courses, this operation might be time consuming.
459: ENDPICK
460: }
461:
462: # ======================================================= Menu Phase Two Upload
463: sub menu_phase_two_upload {
464: my $r=shift;
465:
466: my $datatoken;
467: if (!$ENV{'form.datatoken'}) {
468: $datatoken=&Apache::loncommon::upfile_store($r);
469: } else {
470: $datatoken=$ENV{'form.datatoken'};
471: &Apache::loncommon::load_tmp_file($r);
472: }
473: my @records=&Apache::loncommon::upfile_record_sep();
474: my $total=$#records;
475: my $distotal=$total+1;
476: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
477: my $krbdefdom=$1;
478: $krbdefdom=~tr/a-z/A-Z/;
479: my $today=time;
480: my $halfyear=$today+15552000;
481: my $defdom=$r->dir_config('lonDefDomain');
482: &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
483: my $i;
484: my $keyfields;
485: if ($total>=0) {
486: my @d=(['username','Username'],['names','Last Name, First Names'],
487: ['fname','First Name'],['mname','Middle Names/Initials'],
488: ['lname','Last Name'],['gen','Generation'],
489: ['id','ID/Student Number'],['sec','Group/Section'],
490: ['ipwd','Initial Password']);
491: if ($ENV{'form.upfile_associate'} eq 'reverse') {
492: &Apache::loncommon::csv_print_samples($r,\@records);
493: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
494: foreach (@d) { $keyfields.=$_->[0].','; }
495: chop($keyfields);
496: } else {
497: unshift(@d,['none','']);
498: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
499: my %sone=&Apache::loncommon::record_sep($records[0]);
500: $keyfields=join(',',sort(keys(%sone)));
501: }
502: }
503: &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
504: }
505:
506: # ======================================================= Enroll single student
507: sub enroll_single_student {
508: my $r=shift;
509: $r->print('<h3>Enrolling Student</h3>');
510: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".
511: $ENV{'form.lcdomain'}.'</p>');
512: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
513: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
514: # Deal with home server selection
515: my $domain=$ENV{'form.lcdomain'};
516: my $desiredhost = $ENV{'form.lcserver'};
517: if (lc($desiredhost) eq 'default') {
518: $desiredhost = undef;
519: } else {
520: my %home_servers =&Apache::loncommon::get_library_servers($domain);
521: if (! exists($home_servers{$desiredhost})) {
522: $r->print('<font color="#ff0000">Error:</font>'.
523: 'Invalid home server specified');
524: return;
525: }
526: }
527: $r->print(" with server $desiredhost :") if (defined($desiredhost));
528: # End of home server selection logic
529: my $amode='';
530: my $genpwd='';
531: if ($ENV{'form.login'} eq 'krb') {
532: $amode='krb';
533: $amode.=$ENV{'form.krbver'};
534: $genpwd=$ENV{'form.krbarg'};
535: } elsif ($ENV{'form.login'} eq 'int') {
536: $amode='internal';
537: $genpwd=$ENV{'form.intarg'};
538: } elsif ($ENV{'form.login'} eq 'loc') {
539: $amode='localauth';
540: $genpwd=$ENV{'form.locarg'};
541: if (!$genpwd) { $genpwd=" "; }
542: }
543: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
544: $ENV{'form.lcdomain'});
545: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
546: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
547: $ENV{'request.course.id'},$ENV{'form.csec'},
548: $desiredhost);
549: $r->print(&Apache::lonnet::modifystudent(
550: $ENV{'form.lcdomain'},$ENV{'form.cuname'},
551: $ENV{'form.cstid'},$amode,$genpwd,
552: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
553: $ENV{'form.clast'},$ENV{'form.cgen'},
554: $ENV{'form.csec'},$ENV{'form.enddate'},
555: $ENV{'form.startdate'},$ENV{'form.forceid'},
556: $desiredhost));
557: } else {
558: $r->print('<p><font color="#ff0000">ERROR</font> '.
559: 'Invalid login mode or password. '.
560: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
561: }
562: } else {
563: $r->print('Invalid username or domain');
564: }
565: }
566:
567: # ======================================================= Menu Phase Two Enroll
568: sub menu_phase_two_enroll {
569: my $r=shift;
570: $r->print("<h3>Enroll One Student</h3>");
571: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
572: $krbdefdom=~tr/a-z/A-Z/;
573: my $today = time;
574: my $halfyear = $today+15552000;
575: my $defdom=$r->dir_config('lonDefDomain');
576: my $javascript_validations=&javascript_validations($krbdefdom);
577: # Set up authentication forms
578: my %param = ( formname => 'document.studentform');
579: my $krbform = &Apache::loncommon::authform_kerberos(%param);
580: my $intform = &Apache::loncommon::authform_internal(%param);
581: my $locform = &Apache::loncommon::authform_local(%param);
582: # Set up domain selection form
583: my $domform = &domain_form($defdom);
584: # Print it all out
585: $r->print(<<ENDSENROLL);
586: <script type="text/javascript" language="Javascript">
587: function verify(vf) {
588: var founduname=0;
589: var foundpwd=0;
590: var foundname=0;
591: var foundid=0;
592: var foundsec=0;
593: var tw;
594: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
595: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
596: founduname=1;
597: }
598: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
599: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
600: foundname=1;
601: }
602: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
603: foundsec=1;
604: }
605: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
606: foundid=1;
607: }
608: if (founduname==0) {
609: alert('You need to specify at least the username and domain fields');
610: return;
611: }
612: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
613: }
614:
615: $javascript_validations
616:
617: function clearpwd(vf) {
618: //nothing else needs clearing
619: }
620:
621: </script>
622: <h3>Personal Data</h3>
623: First Name: <input type="text" name="cfirst" size="15"><br>
624: Middle Name: <input type="text" name="cmiddle" size="15"><br>
625: Last Name: <input type="text" name="clast" size="15"><br>
626: Generation: <input type="text" name="cgen" size="5">
627:
628: <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>
629:
630: <p>Group/Section: <input type=text name=csec size=5></p>
631:
632: <h3>Login Data</h3>
633: <p>Username: <input type="text" name="cuname" size="15"></p>
634: <p>Domain: $domform</p>
635: <p>Note: login settings below will not take effect if the user already exists
636: </p><p>
637: $krbform
638: </p><p>
639: $intform
640: </p><p>
641: $locform
642: </p><p>
643: <h3>Starting and Ending Dates</h3>
644: <input type="hidden" value='' name="pres_value">
645: <input type="hidden" value='' name="pres_type">
646: <input type="hidden" value='' name="pres_marker">
647: <input type="hidden" value='$today' name=startdate>
648: <input type="hidden" value='$halfyear' name=enddate>
649: </p><p>
650: <a
651: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
652: >Set Starting Date</a>
653: </p><p>
654: <a
655: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
656: >Set Ending Date</a>
657: </p><p>
658: <h3>ID/Student Number</h3>
659: <input type="checkbox" name="forceid" value="yes">
660: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
661: (only do if you know what you are doing)<p>
662: <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>
663: <input type="hidden" name="phase" value="five">
664: </p>
665: ENDSENROLL
666: }
667:
668: # =================================================== get the current classlist
669: sub get_current_classlist {
670: my ($domain,$identifier) = @_;
671: # domain is the domain the class is being run in
672: # identifier is the internal, unique identifier for the class.
673: my %currentlist=();
674: my $now=time;
675: my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);
676: my ($tmp) = keys(%results);
677: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
678: foreach my $student (keys(%results)) {
679: # Extract the start and end dates
680: my ($end,$start)=split(/\:/,$results{$student});
681: # If the class isn't over, put it in the list
682: unless (($end) && ($now>$end)) {
683: $currentlist{$student}=1;
684: }
685: }
686: return (undef,%currentlist);
687: } else {
688: $tmp =~ s/^error://;
689: return ($tmp,undef);
690: }
691: }
692:
693: # ========================================================= Menu Phase Two Drop
694: sub menu_phase_two_drop {
695: my $r=shift;
696: $r->print("<h3>Drop Students</h3>");
697: my $cid=$ENV{'request.course.id'};
698: my ($error,%currentlist)=&get_current_classlist
699: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
700: if (defined($error)) {
701: if ($error =~ /^No such file or directory/) {
702: $r->print("There are no students currently enrolled.\n");
703: } else {
704: $r->print("<pre>ERROR:$error</pre>");
705: }
706: } elsif (!defined(%currentlist)) {
707: $r->print("There are no students currently enrolled.\n");
708: } else {
709: # Print out the available choices
710: &show_drop_list($r,%currentlist);
711: }
712: }
713:
714: # ============================================== view classlist
715: sub menu_phase_two_view {
716: my $r=shift;
717: $r->print(<<END);
718: <font size="+1">Current Classlist</font>
719: <font size="+1"><a href="/adm/dropadd?phase=two&viewcsv=yes">CSV format</a></font><br />
720: END
721: my $cid=$ENV{'request.course.id'};
722: my ($error,%currentlist)=&get_current_classlist
723: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
724: if (defined($error)) {
725: if ($error =~ /^No such file or directory/) {
726: $r->print("There are no students currently enrolled.\n");
727: } else {
728: $r->print("<pre>ERROR:$error</pre>");
729: }
730: } elsif (!defined(%currentlist)) {
731: $r->print("There are no students currently enrolled.\n");
732: } else {
733: # Print out the available choices
734: &show_class_list($r,'view',%currentlist);
735: }
736: }
737:
738: # ============================================== view classlist
739: sub menu_phase_two_viewcsv {
740: my $r=shift;
741: my $cid=$ENV{'request.course.id'};
742: my ($error,%currentlist)=&get_current_classlist
743: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
744: if (defined($error)) {
745: if ($error =~ /^No such file or directory/) {
746: $r->print("There are no students currently enrolled.\n");
747: } else {
748: $r->print("<pre>ERROR:$error</pre>");
749: }
750: } elsif (!defined(%currentlist)) {
751: $r->print("There are no students currently enrolled.\n");
752: } else {
753: &show_class_list($r,'csv',%currentlist);
754: }
755: }
756:
757: # =================================================== Show student list to drop
758: sub show_class_list {
759: my ($r,$mode,%currentlist)=@_;
760: my $cid=$ENV{'request.course.id'};
761: # Print out header
762: if ($mode eq 'view') {
763: $r->print(<<END);
764: <p>
765: <table border=2>
766: <tr><th>username</th><th>domain</th><th>ID</th>
767: <th>student name</th><th>generation</th><th>section</th></tr>
768: END
769: } elsif ($mode eq 'csv') {
770: $r->print(<<END);
771: username,domain,ID,last name,first name,middle name,generation,section
772: END
773: }
774: foreach (sort keys %currentlist) {
775: my ($sname,$sdom)=split(/\:/,$_);
776: my %reply=&Apache::lonnet::idrget($sdom,$sname);
777: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
778: my %info=&Apache::lonnet::get('environment',
779: ['firstname','middlename',
780: 'lastname','generation'],
781: $sdom, $sname);
782: my ($tmp) = keys(%info);
783: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
784: $r->print( ($mode eq 'view' ?
785: '<tr><td colspan="6"><font color="red">' :'').
786: 'Internal error: unable to get environment '.
787: 'for '.$sname.' in domain '.$sdom.
788: ( $mode eq 'view' ?'</font></td></tr>' :''));
789: } else {
790: if ($mode eq 'view') {
791: $r->print(<<"END");
792: <tr>
793: <td>$sname</td>
794: <td>$sdom</td>
795: <td>$reply{$sname}</td>
796: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
797: <td>$info{'generation'}</td>
798: <td>$ssec</td>
799: </tr>
800: END
801: } elsif ($mode eq 'csv') {
802: my @line = ();
803: foreach ($sname,$sdom,$reply{$sname},
804: $info{'lastname'},$info{'firstname'},
805: $info{'middlename'},$info{'generation'},$ssec) {
806: push @line,&Apache::loncommon::csv_translate($_);
807: }
808: my $tmp = $";
809: $" = '","';
810: $r->print("\"@line\"\n");
811: $" = $tmp;
812: }
813: }
814: }
815: $r->print('</table><br>') if ($mode eq 'view');
816: }
817:
818: # =================================================== Show student list to drop
819: sub show_drop_list {
820: my ($r,%currentlist)=@_;
821: my $cid=$ENV{'request.course.id'};
822: $r->print(<<'END');
823: <script>
824: function checkAll(field)
825: {
826: for (i = 0; i < field.length; i++)
827: field[i].checked = true ;
828: }
829:
830: function uncheckAll(field)
831: {
832: for (i = 0; i < field.length; i++)
833: field[i].checked = false ;
834: }
835: </script>
836: <p>
837: <input type="hidden" name="phase" value="four">
838: <table border=2>
839: <tr><th> </th><th>username</th><th>domain</th>
840: <th>ID</th><th>student name</th><th>generation</th>
841: <th>section</th></tr>
842: END
843: foreach (sort keys %currentlist) {
844: my ($sname,$sdom)=split(/\:/,$_);
845: my %reply=&Apache::lonnet::idrget($sdom,$sname);
846: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
847: my %info=&Apache::lonnet::get('environment',
848: ['firstname','middlename',
849: 'lastname','generation'],
850: $sdom, $sname);
851: my ($tmp) = keys(%info);
852: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
853: $r->print('<tr><td colspan="7"><font color="red">'.
854: 'Internal error: unable to get environment '.
855: 'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
856: } else {
857: $r->print(<<"END");
858: <tr>
859: <td><input type="checkbox" name="droplist" value="$_"></td>
860: <td>$sname</td>
861: <td>$sdom</td>
862: <td>$reply{$sname}</td>
863: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
864: <td>$info{'generation'}</td>
865: <td>$ssec</td>
866: </tr>
867: END
868: }
869: }
870: $r->print('</table><br>');
871: $r->print(<<"END");
872: </p><p>
873: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
874: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
875: <p><input type=submit value="Drop Students"></p>
876: END
877: }
878:
879: #
880: # Print out the initial form to get the courselist file
881: #
882: sub print_first_courselist_upload_form {
883: my $r=shift;
884: my $upfile_select=&Apache::loncommon::upfile_select_html();
885: my $create_classlist_help =
886: &Apache::loncommon::help_open_topic("Course_Create_Class_List",
887: "How do I create a class list from a spreadsheet");
888: my $create_csv_help =
889: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
890: "How do I create a CSV file from a spreadsheet");
891: $r->print(<<ENDUPFORM);
892: <input type=hidden name=phase value=two>
893: <hr>
894: <h3>Upload a courselist</h3>
895: $upfile_select
896: <p><input type=submit name="fileupload" value="Upload Courselist">
897: <br />
898: $create_classlist_help <br />
899: $create_csv_help
900: </body></html>
901: ENDUPFORM
902: return;
903: }
904:
905: # ================================================= Drop/Add from uploaded file
906: sub upfile_drop_add {
907: my $r=shift;
908: &Apache::loncommon::load_tmp_file($r);
909: my @studentdata=&Apache::loncommon::upfile_record_sep();
910: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
911: my $cid = $ENV{'request.course.id'};
912: my %fields=();
913: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
914: if ($ENV{'form.upfile_associate'} eq 'reverse') {
915: if ($ENV{'form.f'.$i} ne 'none') {
916: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
917: }
918: } else {
919: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
920: }
921: }
922: #
923: my $startdate = $ENV{'form.startdate'};
924: my $enddate = $ENV{'form.enddate'};
925: if ($startdate=~/\D/) { $startdate=''; }
926: if ($enddate=~/\D/) { $enddate=''; }
927: # Determine domain and desired host (home server)
928: my $domain=$ENV{'form.lcdomain'};
929: my $desiredhost = $ENV{'form.lcserver'};
930: if (lc($desiredhost) eq 'default') {
931: $desiredhost = undef;
932: } else {
933: my %home_servers = &Apache::loncommon::get_library_servers($domain);
934: if (! exists($home_servers{$desiredhost})) {
935: $r->print('<font color="#ff0000">Error:</font>'.
936: 'Invalid home server specified');
937: return;
938: }
939: }
940: # Determine authentication mechanism
941: my $amode = '';
942: my $genpwd = '';
943: if ($ENV{'form.login'} eq 'krb') {
944: $amode='krb';
945: $amode.=$ENV{'form.krbver'};
946: $genpwd=$ENV{'form.krbarg'};
947: } elsif ($ENV{'form.login'} eq 'int') {
948: $amode='internal';
949: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
950: $genpwd=$ENV{'form.intarg'};
951: }
952: } elsif ($ENV{'form.login'} eq 'loc') {
953: $amode='localauth';
954: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
955: $genpwd=$ENV{'form.locarg'};
956: }
957: }
958: unless (($domain=~/\W/) || ($amode eq '')) {
959: #######################################
960: ## Enroll Students ##
961: #######################################
962: $r->print('<h3>Enrolling Students</h3>');
963: my $count=0;
964: my $flushc=0;
965: my %student=();
966: # Get new classlist
967: foreach (@studentdata) {
968: my %entries=&Apache::loncommon::record_sep($_);
969: # Determine student name
970: unless (($entries{$fields{'username'}} eq '') ||
971: (!defined($entries{$fields{'username'}}))) {
972: my ($fname, $mname, $lname,$gen) = ('','','','');
973: if (defined($fields{'names'})) {
974: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
975: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
976: } else {
977: if (defined($fields{'fname'})) {
978: $fname=$entries{$fields{'fname'}};
979: }
980: if (defined($fields{'mname'})) {
981: $mname=$entries{$fields{'mname'}};
982: }
983: if (defined($fields{'lname'})) {
984: $lname=$entries{$fields{'lname'}};
985: }
986: if (defined($fields{'gen'})) {
987: $gen=$entries{$fields{'gen'}};
988: }
989: }
990: if ($entries{$fields{'username'}}=~/\W/) {
991: $r->print('<p><b>Unacceptable username: '.
992: $entries{$fields{'username'}}.' for user '.
993: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
994: } else {
995: # determine section number
996: my $sec='';
997: my $username=$entries{$fields{'username'}};
998: if (defined($fields{'sec'})) {
999: if (defined($entries{$fields{'sec'}})) {
1000: $sec=$entries{$fields{'sec'}};
1001: }
1002: }
1003: # determine student id number
1004: my $id='';
1005: if (defined($fields{'id'})) {
1006: if (defined($entries{$fields{'id'}})) {
1007: $id=$entries{$fields{'id'}};
1008: }
1009: $id=~tr/A-Z/a-z/;
1010: }
1011: # determine student password
1012: my $password='';
1013: if ($genpwd) {
1014: $password=$genpwd;
1015: } else {
1016: if (defined($fields{'ipwd'})) {
1017: if ($entries{$fields{'ipwd'}}) {
1018: $password=$entries{$fields{'ipwd'}};
1019: }
1020: }
1021: }
1022: if ($password) {
1023: &modifystudent($domain,$username,$cid,$sec,
1024: $desiredhost);
1025: my $reply=&Apache::lonnet::modifystudent
1026: ($domain,$username,$id,$amode,$password,
1027: $fname,$mname,$lname,$gen,$sec,$enddate,
1028: $startdate,$ENV{'form.forceid'},$desiredhost);
1029: if ($reply ne 'ok') {
1030: $r->print('<p><b>'.
1031: 'Error enrolling '.$username.': '.
1032: $reply.'</b></p>');
1033: } else {
1034: $count++; $flushc++;
1035: $student{$username}=1;
1036: $r->print('. ');
1037: if ($flushc>15) {
1038: $r->rflush;
1039: $flushc=0;
1040: }
1041: }
1042: } else {
1043: $r->print("<p><b>No password for $username</b><p>");
1044: }
1045: }
1046: }
1047: } # end of foreach (@studentdata)
1048: $r->print('<p>Processed Students: '.$count);
1049: #####################################
1050: # Drop students #
1051: #####################################
1052: if ($ENV{'form.fullup'} eq 'yes') {
1053: $r->print('<h3>Dropping Students</h3>');
1054: # Get current classlist
1055: my ($error,%currentlist)=&get_current_classlist
1056: ($ENV{'course.'.$cid.'.domain'},
1057: $ENV{'course.'.$cid.'.num'});
1058: if (defined($error)) {
1059: $r->print('<pre>ERROR:$error</pre>');
1060: }
1061: if (defined(%currentlist)) {
1062: # Drop the students
1063: foreach (@studentdata) {
1064: my %entries=&Apache::loncommon::record_sep($_);
1065: unless (($entries{$fields{'username'}} eq '') ||
1066: (!defined($entries{$fields{'username'}}))) {
1067: delete($currentlist{$entries{$fields{'username'}}.
1068: ':'.$domain});
1069: }
1070: }
1071: # Print out list of dropped students
1072: &show_drop_list($r,%currentlist);
1073: } else {
1074: $r->print("There are no students currently enrolled.\n");
1075: }
1076: }
1077: } # end of unless
1078: }
1079:
1080: # ================================================================== Phase four
1081: sub drop_student_list {
1082: my $r=shift;
1083: my $count=0;
1084: my @droplist;
1085: if (ref($ENV{'form.droplist'})) {
1086: @droplist = @{$ENV{'form.droplist'}};
1087: } else {
1088: @droplist = ($ENV{'form.droplist'});
1089: }
1090: foreach (@droplist) {
1091: my ($uname,$udom)=split(/\:/,$_);
1092: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1093: if ($result eq 'ok' || $result eq 'ok:') {
1094: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
1095: } else {
1096: $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
1097: '<br />');
1098: }
1099: $count++;
1100: }
1101: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1102: $r->print('<p>Re-enrollment will re-activate data.');
1103: }
1104:
1105: # ================================================================ Main Handler
1106: sub handler {
1107: my $r=shift;
1108: if ($r->header_only) {
1109: $r->content_type('text/html');
1110: $r->send_http_header;
1111: return OK;
1112: }
1113: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1114: ['enroll','drop','view','phase',
1115: 'viewcsv','uplist']);
1116: # Needs to be in a course
1117: if (($ENV{'request.course.fn'}) &&
1118: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
1119: # Start page
1120: $r->content_type('text/html') if (! exists($ENV{'form.viewcsv'}));
1121: $r->send_http_header;
1122: $r->print(&header()) if (! exists($ENV{'form.viewcsv'}));
1123: # Phase one, initial screen
1124: unless ($ENV{'form.phase'}) {
1125: &menu_phase_one($r);
1126: }
1127: # Phase two
1128: if ($ENV{'form.associate'} eq 'Reverse Association') {
1129: $ENV{'form.phase'} = 'two';
1130: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
1131: $ENV{'form.upfile_associate'} = 'reverse';
1132: } else {
1133: $ENV{'form.upfile_associate'} = 'forward';
1134: }
1135: }
1136: if ($ENV{'form.phase'} eq 'two') {
1137: if ($ENV{'form.uplist'}) {
1138: &print_first_courselist_upload_form($r);
1139: } elsif ($ENV{'form.fileupload'}) {
1140: &menu_phase_two_upload($r);
1141: } elsif ($ENV{'form.enroll'}) {
1142: &menu_phase_two_enroll($r);
1143: } elsif ($ENV{'form.drop'}) {
1144: &menu_phase_two_drop($r);
1145: } elsif ($ENV{'form.view'}) {
1146: &menu_phase_two_view($r);
1147: } elsif ($ENV{'form.viewcsv'}) {
1148: &menu_phase_two_viewcsv($r);
1149: }
1150: }
1151: # Phase three
1152: if ($ENV{'form.phase'} eq 'three') {
1153: if ($ENV{'form.datatoken'}) {
1154: &upfile_drop_add($r);
1155: }
1156: }
1157: # Phase four
1158: if ($ENV{'form.phase'} eq 'four') {
1159: &drop_student_list($r);
1160: }
1161: # Phase five
1162: if ($ENV{'form.phase'} eq 'five') {
1163: &enroll_single_student($r);
1164: }
1165: # End
1166: $r->print('</form></body></html>') if (! exists($ENV{'form.viewcsv'}));
1167: } else {
1168: # Not in a course, or not allowed to modify parms
1169: $ENV{'user.error.msg'}=
1170: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1171: return HTTP_NOT_ACCEPTABLE;
1172: }
1173: return OK;
1174: }
1175:
1176: 1;
1177: __END__
1178:
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