1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.45.4.1 2002/09/13 18:55:57 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: return(<<ENDHEAD);
63: <html>
64: <head>
65: <title>LON-CAPA Enrollment Manager</title>
66: </head>
67: <body bgcolor="#FFFFFF">
68: <img align=right src=/adm/lonIcons/lonlogos.gif>
69: <h1>$ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h1>
70: <h2>Enrollment Manager</h2>
71: <form method="post" enctype="multipart/form-data"
72: action="/adm/dropadd" name="studentform">
73: ENDHEAD
74: }
75:
76: # =========== Drop student from all sections of a course, except optional $csec
77: sub modifystudent {
78: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
79: # if $csec is undefined, drop the student from all the courses matching
80: # this one. If $csec is defined, drop them from all other sections of
81: # this course and add them to section $csec
82: $courseid=~s/\_/\//g;
83: $courseid=~s/^(\w)/\/$1/;
84: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
85: my ($tmp) = keys(%roles);
86: # Bail out if we were unable to get the students roles
87: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
88: # Go through the roles looking for enrollment in this course
89: my $result = '';
90: foreach my $course (keys(%roles)) {
91: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
92: # We are in this course
93: my $section=$1;
94: $section='' if ($course eq $courseid.'_st');
95: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
96: my (undef,$end,$start)=split(/\_/,$roles{$course});
97: my $now=time;
98: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
99: my $reply=&Apache::lonnet::modifystudent
100: ($udom,$unam,'','','','','','','',
101: $section,time,undef,undef,$desiredhost);
102: $result .= $reply.':';
103: }
104: }
105: }
106: }
107: if ($result eq '') {
108: $result eq 'Unable to find section for this student';
109: } else {
110: $result =~ s/(ok:)+/ok/g;
111: }
112: return $result;
113: }
114:
115: # ============ build a domain and server selection form
116: sub domain_form {
117: my ($defdom) = @_;
118: # Set up domain and server selection forms
119: #
120: # Get the domains
121: my @domains = &Apache::loncommon::get_domains();
122: # build up the menu information to be passed to
123: # &Apache::loncommon::linked_select_forms
124: my %select_menus;
125: foreach my $dom (@domains) {
126: # set up the text for this domain
127: $select_menus{$dom}->{'text'}= $dom;
128: # we want a choice of 'default' as the default in the second menu
129: $select_menus{$dom}->{'default'}= 'default';
130: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
131: # Now build up the other items in the second menu
132: my %servers = &Apache::loncommon::get_library_servers($dom);
133: foreach my $server (keys(%servers)) {
134: $select_menus{$dom}->{'select2'}->{$server}
135: = "$server $servers{$server}";
136: }
137: }
138: my $result = &Apache::loncommon::linked_select_forms
139: ('studentform',' with home server ',$defdom,
140: 'lcdomain','lcserver',\%select_menus);
141: return $result;
142: }
143:
144: # ============================================================== Menu Phase One
145: sub menu_phase_one {
146: my $r=shift;
147: my $upfile_select=&Apache::loncommon::upfile_select_html();
148: my $create_classlist_help =
149: &Apache::loncommon::help_open_topic("Course_Create_Class_List",
150: "How do I create a class list from a spreadsheet");
151: my $create_csv_help =
152: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
153: "How do I create a CSV file from a spreadsheet");
154: $r->print(<<ENDUPFORM);
155: <input type=hidden name=phase value=two>
156: <hr>
157: <h3>Upload a courselist</h3>
158: $upfile_select
159: <p><input type=submit name="fileupload" value="Upload Courselist">
160: <br />
161: $create_classlist_help <br />
162: $create_csv_help
163:
164: <hr />
165: <h3>Enroll a single student</h3>
166: <p><input type=submit name="enroll" value="Enroll Student"></p>
167: <hr />
168: <h3>Classlist</h3>
169: <p><input type=submit name="view" value="View Class List">
170: <input type=submit name="viewcsv" value="Comma Separated Class List"></p>
171: <hr />
172: <h3>Drop students</h3>
173: <p><input type=submit name="drop" value="Selection List"></p>
174: ENDUPFORM
175: }
176:
177: sub phase_two_header {
178: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
179: my $javascript;
180: if ($ENV{'form.upfile_associate'} eq 'reverse') {
181: $javascript=&phase_two_javascript_reverse_associate();
182: } else {
183: $javascript=&phase_two_javascript_forward_associate();
184: }
185: my $javascript_validations=&javascript_validations($krbdefdom);
186: $r->print(<<ENDPICK);
187: <h3>Uploading Class List</h3>
188: <hr>
189: <h3>Identify fields</h3>
190: Total number of records found in file: $distotal <hr />
191: Enter as many fields as you can. The system will inform you and bring you back
192: to this page if the data selected is insufficient to run your class.<hr />
193: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
194: <input type="hidden" name="associate" value="" />
195: <input type="hidden" name="phase" value="three" />
196: <input type="hidden" name="datatoken" value="$datatoken" />
197: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
198: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
199: <input type="hidden" name="upfile_associate"
200: value="$ENV{'form.upfile_associate'}" />
201: <hr />
202: <script type="text/javascript" language="Javascript">
203: $javascript
204: $javascript_validations
205: </script>
206: ENDPICK
207: }
208:
209: sub javascript_validations {
210: my ($krbdefdom)=@_;
211: my %param = ( formname => 'studentform',
212: kerb_def_dom => $krbdefdom );
213: my $authheader = &Apache::loncommon::authform_header(%param);
214: return (<<ENDPICK);
215: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
216: var foundatype=0;
217: var message='';
218: if (founduname==0) {
219: alert('You need to specify the username field');
220: return;
221: }
222: if (current.radiovalue == null || current.radiovalue == 'nochange') {
223: // They did not check any of the login radiobuttons.
224: alert('You must choose an authentication type');
225: return;
226: }
227: foundatype=1;
228: if (current.argfield == null || current.argfield == '') {
229: var alertmsg = '';
230: switch (current.value) {
231: case 'krb':
232: alertmsg = 'You need to specify the Kerberos domain';
233: break;
234: case 'loc':
235: case 'fsys':
236: alertmsg = 'You need to specify the initial password';
237: break;
238: case 'fsys':
239: alertmsg = '';
240: break;
241: default:
242: alertmsg = '';
243: }
244: if (alertmsg != '') {
245: alert(alertmsg);
246: return;
247: }
248: }
249:
250: if (foundname==0) { message='No name fields specified. '; }
251: if (foundid==0) { message+='No ID or student number field specified. '; }
252: if (foundsec==0) { message+='No section or group field specified. '; }
253: if (vf.startdate.value=='') {
254: message+='No starting date set. ';
255: }
256: if (vf.enddate.value=='') {
257: message+='No ending date set. ';
258: }
259: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
260: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
261: alert('Ending date is before starting date');
262: return;
263: }
264: }
265: if (message!='') {
266: message+='Continue enrollment?';
267: if (confirm(message)) {
268: pclose();
269: vf.submit();
270: }
271: } else {
272: pclose();
273: vf.submit();
274: }
275: }
276:
277:
278: function pclose() {
279: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
280: "height=350,width=350,scrollbars=no,menubar=no");
281: parmwin.close();
282: }
283:
284: function pjump(type,dis,value,marker,ret,call) {
285: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
286: +"&value="+escape(value)+"&marker="+escape(marker)
287: +"&return="+escape(ret)
288: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
289: "height=350,width=350,scrollbars=no,menubar=no");
290:
291: }
292:
293: function dateset() {
294: if (document.studentform.pres_marker.value=='end') {
295: document.studentform.enddate.value=
296: document.studentform.pres_value.value;
297: }
298: if (document.studentform.pres_marker.value=='start') {
299: document.studentform.startdate.value=
300: document.studentform.pres_value.value;
301: }
302: pclose();
303: }
304:
305: $authheader
306: ENDPICK
307:
308: }
309:
310: sub phase_two_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 tw;
319: for (i=0;i<=vf.nfields.value;i++) {
320: tw=eval('vf.f'+i+'.selectedIndex');
321: if (tw==1) { founduname=1; }
322: if ((tw>=2) && (tw<=6)) { foundname=1; }
323: if (tw==7) { foundid=1; }
324: if (tw==8) { foundsec=1; }
325: if (tw==9) { foundpwd=1; }
326: }
327: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
328: }
329:
330: //
331: // vf = this.form
332: // tf = column number
333: //
334: // values of nw
335: //
336: // 0 = none
337: // 1 = username
338: // 2 = names (lastname, firstnames)
339: // 3 = fname (firstname)
340: // 4 = mname (middlename)
341: // 5 = lname (lastname)
342: // 6 = gen (generation)
343: // 7 = id
344: // 8 = section
345: // 9 = ipwd (password)
346: //
347: function flip(vf,tf) {
348: var nw=eval('vf.f'+tf+'.selectedIndex');
349: var i;
350: // make sure no other columns are labeled the same as this one
351: for (i=0;i<=vf.nfields.value;i++) {
352: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
353: eval('vf.f'+i+'.selectedIndex=0;')
354: }
355: }
356: // If we set this to 'lastname, firstnames', clear out all the ones
357: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
358: if (nw==2) {
359: for (i=0;i<=vf.nfields.value;i++) {
360: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
361: (eval('vf.f'+i+'.selectedIndex')<=6)) {
362: eval('vf.f'+i+'.selectedIndex=0;')
363: }
364: }
365: }
366: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
367: // clear out any that are set to 'lastname, firstnames' (2)
368: if ((nw>=3) && (nw<=6)) {
369: for (i=0;i<=vf.nfields.value;i++) {
370: if (eval('vf.f'+i+'.selectedIndex')==2) {
371: eval('vf.f'+i+'.selectedIndex=0;')
372: }
373: }
374: }
375: // If we set the password, make the password form below correspond to
376: // the new value.
377: if (nw==9) {
378: changed_radio('int',document.studentform);
379: set_auth_radio_buttons('int',document.studentform);
380: vf.intarg.value='';
381: vf.krbarg.value='';
382: vf.locarg.value='';
383: }
384: }
385:
386: function clearpwd(vf) {
387: var i;
388: for (i=0;i<=vf.nfields.value;i++) {
389: if (eval('vf.f'+i+'.selectedIndex')==9) {
390: eval('vf.f'+i+'.selectedIndex=0;')
391: }
392: }
393: }
394:
395: ENDPICK
396: }
397:
398: sub phase_two_javascript_reverse_associate {
399: return(<<ENDPICK);
400: function verify(vf) {
401: var founduname=0;
402: var foundpwd=0;
403: var foundname=0;
404: var foundid=0;
405: var foundsec=0;
406: var tw;
407: for (i=0;i<=vf.nfields.value;i++) {
408: tw=eval('vf.f'+i+'.selectedIndex');
409: if (i==0 && tw!=0) { founduname=1; }
410: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
411: if (i==6 && tw!=0) { foundid=1; }
412: if (i==7 && tw!=0) { foundsec=1; }
413: if (i==8 && tw!=0) { foundpwd=1; }
414: }
415: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
416: }
417:
418: function flip(vf,tf) {
419: var nw=eval('vf.f'+tf+'.selectedIndex');
420: var i;
421: // picked the all one one name field, reset the other name ones to blank
422: if (tf==1 && nw!=0) {
423: for (i=2;i<=5;i++) {
424: eval('vf.f'+i+'.selectedIndex=0;')
425: }
426: }
427: //picked one of the piecewise name fields, reset the all in
428: //one field to blank
429: if ((tf>=2) && (tf<=5) && (nw!=0)) {
430: eval('vf.f1.selectedIndex=0;')
431: }
432: // intial password specified, pick internal authentication
433: if (tf==8 && nw!=0) {
434: changed_radio('int',document.studentform);
435: set_auth_radio_buttons('int',document.studentform);
436: vf.krbarg.value='';
437: vf.intarg.value='';
438: vf.locarg.value='';
439: }
440: }
441:
442: function clearpwd(vf) {
443: var i;
444: if (eval('vf.f8.selectedIndex')!=0) {
445: eval('vf.f8.selectedIndex=0;')
446: }
447: }
448: ENDPICK
449: }
450:
451: sub phase_two_end {
452: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
453: my %param = ( formname => 'document.studentform');
454: my $krbform = &Apache::loncommon::authform_kerberos(%param);
455: my $intform = &Apache::loncommon::authform_internal(%param);
456: my $locform = &Apache::loncommon::authform_local(%param);
457: my $domform = &domain_form($defdom);
458: $r->print(<<ENDPICK);
459: </table>
460: <input type=hidden name=nfields value=$i>
461: <input type=hidden name=keyfields value="$keyfields">
462: <h3>Login Type</h3>
463: <p>Note: this will not take effect if the user already exists</p>
464: <p>
465: $krbform
466: </p>
467: <p>
468: $intform
469: </p>
470: <p>
471: $locform
472: </p>
473: <h3>LON-CAPA Domain for Students</h3>
474: LON-CAPA domain: $domform <p>
475: <h3>Starting and Ending Dates</h3>
476: <input type="hidden" value='' name="pres_value" >
477: <input type="hidden" value='' name="pres_type" >
478: <input type="hidden" value='' name="pres_marker" >
479: <input type="hidden" value='$today' name="startdate" >
480: <input type="hidden" value='$halfyear' name="enddate" >
481: <a
482: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
483: >Set Starting Date</a><p>
484:
485: <a
486: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
487: >Set Ending Date</a><p>
488: <h3>Full Update</h3>
489: <input type=checkbox name=fullup value=yes> Full update
490: (also print list of users not enrolled anymore)<p>
491: <h3>ID/Student Number</h3>
492: <input type=checkbox name=forceid value=yes>
493: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
494: (only do if you know what you are doing)<p>
495: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
496: Note: for large courses, this operation might be time consuming.
497: ENDPICK
498: }
499:
500: # ======================================================= Menu Phase Two Upload
501: sub menu_phase_two_upload {
502: my $r=shift;
503:
504: my $datatoken;
505: if (!$ENV{'form.datatoken'}) {
506: $datatoken=&Apache::loncommon::upfile_store($r);
507: } else {
508: $datatoken=$ENV{'form.datatoken'};
509: &Apache::loncommon::load_tmp_file($r);
510: }
511: my @records=&Apache::loncommon::upfile_record_sep();
512: my $total=$#records;
513: my $distotal=$total+1;
514: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
515: my $krbdefdom=$1;
516: $krbdefdom=~tr/a-z/A-Z/;
517: my $today=time;
518: my $halfyear=$today+15552000;
519: my $defdom=$r->dir_config('lonDefDomain');
520: &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
521: my $i;
522: my $keyfields;
523: if ($total>=0) {
524: my @d=(['username','Username'],['names','Last Name, First Names'],
525: ['fname','First Name'],['mname','Middle Names/Initials'],
526: ['lname','Last Name'],['gen','Generation'],
527: ['id','ID/Student Number'],['sec','Group/Section'],
528: ['ipwd','Initial Password']);
529: if ($ENV{'form.upfile_associate'} eq 'reverse') {
530: &Apache::loncommon::csv_print_samples($r,\@records);
531: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
532: foreach (@d) { $keyfields.=$_->[0].','; }
533: chop($keyfields);
534: } else {
535: unshift(@d,['none','']);
536: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
537: my %sone=&Apache::loncommon::record_sep($records[0]);
538: $keyfields=join(',',sort(keys(%sone)));
539: }
540: }
541: &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
542: }
543:
544: # ======================================================= Enroll single student
545: sub enroll_single_student {
546: my $r=shift;
547: $r->print('<h3>Enrolling Student</h3>');
548: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".
549: $ENV{'form.lcdomain'}.'</p>');
550: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
551: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
552: # Deal with home server selection
553: my $domain=$ENV{'form.lcdomain'};
554: my $desiredhost = $ENV{'form.lcserver'};
555: if (lc($desiredhost) eq 'default') {
556: $desiredhost = undef;
557: } else {
558: my %home_servers =&Apache::loncommon::get_library_servers($domain);
559: if (! exists($home_servers{$desiredhost})) {
560: $r->print('<font color="#ff0000">Error:</font>'.
561: 'Invalid home server specified');
562: return;
563: }
564: }
565: $r->print(" with server $desiredhost :") if (defined($desiredhost));
566: # End of home server selection logic
567: my $amode='';
568: my $genpwd='';
569: if ($ENV{'form.login'} eq 'krb') {
570: $amode='krb4';
571: $genpwd=$ENV{'form.krbarg'};
572: } elsif ($ENV{'form.login'} eq 'int') {
573: $amode='internal';
574: $genpwd=$ENV{'form.intarg'};
575: } elsif ($ENV{'form.login'} eq 'loc') {
576: $amode='localauth';
577: $genpwd=$ENV{'form.locarg'};
578: if (!$genpwd) { $genpwd=" "; }
579: }
580: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
581: $ENV{'form.lcdomain'});
582: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
583: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
584: $ENV{'request.course.id'},$ENV{'form.csec'},
585: $desiredhost);
586: $r->print(&Apache::lonnet::modifystudent(
587: $ENV{'form.lcdomain'},$ENV{'form.cuname'},
588: $ENV{'form.cstid'},$amode,$genpwd,
589: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
590: $ENV{'form.clast'},$ENV{'form.cgen'},
591: $ENV{'form.csec'},$ENV{'form.enddate'},
592: $ENV{'form.startdate'},$ENV{'form.forceid'},
593: $desiredhost));
594: } else {
595: $r->print('<p><font color="#ff0000">ERROR</font> '.
596: 'Invalid login mode or password. '.
597: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
598: }
599: } else {
600: $r->print('Invalid username or domain');
601: }
602: }
603:
604: # ======================================================= Menu Phase Two Enroll
605: sub menu_phase_two_enroll {
606: my $r=shift;
607: $r->print("<h3>Enroll One Student</h3>");
608: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
609: $krbdefdom=~tr/a-z/A-Z/;
610: my $today = time;
611: my $halfyear = $today+15552000;
612: my $defdom=$r->dir_config('lonDefDomain');
613: my $javascript_validations=&javascript_validations($krbdefdom);
614: # Set up authentication forms
615: my %param = ( formname => 'document.studentform');
616: my $krbform = &Apache::loncommon::authform_kerberos(%param);
617: my $intform = &Apache::loncommon::authform_internal(%param);
618: my $locform = &Apache::loncommon::authform_local(%param);
619: # Set up domain selection form
620: my $domform = &domain_form($defdom);
621: # Print it all out
622: $r->print(<<ENDSENROLL);
623: <script type="text/javascript" language="Javascript">
624: function verify(vf) {
625: var founduname=0;
626: var foundpwd=0;
627: var foundname=0;
628: var foundid=0;
629: var foundsec=0;
630: var tw;
631: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
632: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
633: founduname=1;
634: }
635: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
636: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
637: foundname=1;
638: }
639: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
640: foundsec=1;
641: }
642: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
643: foundid=1;
644: }
645: if (founduname==0) {
646: alert('You need to specify at least the username and domain fields');
647: return;
648: }
649: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
650: }
651:
652: $javascript_validations
653:
654: function clearpwd(vf) {
655: //nothing else needs clearing
656: }
657:
658: </script>
659: <h3>Personal Data</h3>
660: First Name: <input type="text" name="cfirst" size="15"><br>
661: Middle Name: <input type="text" name="cmiddle" size="15"><br>
662: Last Name: <input type="text" name="clast" size="15"><br>
663: Generation: <input type="text" name="cgen" size="5">
664:
665: <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>
666:
667: <p>Group/Section: <input type=text name=csec size=5></p>
668:
669: <h3>Login Data</h3>
670: <p>Username: <input type="text" name="cuname" size="15"></p>
671: <p>Domain: $domform</p>
672: <p>Note: login settings below will not take effect if the user already exists
673: </p><p>
674: $krbform
675: </p><p>
676: $intform
677: </p><p>
678: $locform
679: </p><p>
680: <h3>Starting and Ending Dates</h3>
681: <input type="hidden" value='' name="pres_value">
682: <input type="hidden" value='' name="pres_type">
683: <input type="hidden" value='' name="pres_marker">
684: <input type="hidden" value='$today' name=startdate>
685: <input type="hidden" value='$halfyear' name=enddate>
686: </p><p>
687: <a
688: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
689: >Set Starting Date</a>
690: </p><p>
691: <a
692: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
693: >Set Ending Date</a>
694: </p><p>
695: <h3>ID/Student Number</h3>
696: <input type="checkbox" name="forceid" value="yes">
697: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
698: (only do if you know what you are doing)<p>
699: <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>
700: <input type="hidden" name="phase" value="five">
701: </p>
702: ENDSENROLL
703: }
704:
705: # =================================================== get the current classlist
706: sub get_current_classlist {
707: my ($domain,$identifier) = @_;
708: # domain is the domain the class is being run in
709: # identifier is the internal, unique identifier for the class.
710: my %currentlist=();
711: my $now=time;
712: my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);
713: my ($tmp) = keys(%results);
714: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
715: foreach my $student (keys(%results)) {
716: # Extract the start and end dates
717: my ($end,$start)=split(/\:/,$results{$student});
718: # If the class isn't over, put it in the list
719: unless (($end) && ($now>$end)) {
720: $currentlist{$student}=1;
721: }
722: }
723: return (undef,%currentlist);
724: } else {
725: $tmp =~ s/^error://;
726: return ($tmp,undef);
727: }
728: }
729:
730: # ========================================================= Menu Phase Two Drop
731: sub menu_phase_two_drop {
732: my $r=shift;
733: $r->print("<h3>Drop Students</h3>");
734: my $cid=$ENV{'request.course.id'};
735: my ($error,%currentlist)=&get_current_classlist
736: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
737: if (defined($error)) {
738: if ($error =~ /^No such file or directory/) {
739: $r->print("There are no students currently enrolled.\n");
740: } else {
741: $r->print("<pre>ERROR:$error</pre>");
742: }
743: } elsif (!defined(%currentlist)) {
744: $r->print("There are no students currently enrolled.\n");
745: } else {
746: # Print out the available choices
747: &show_drop_list($r,%currentlist);
748: }
749: }
750:
751: # ============================================== view classlist
752: sub menu_phase_two_view {
753: my $r=shift;
754: $r->print("<h3>Current Classlist</h3>");
755: my $cid=$ENV{'request.course.id'};
756: my ($error,%currentlist)=&get_current_classlist
757: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
758: if (defined($error)) {
759: if ($error =~ /^No such file or directory/) {
760: $r->print("There are no students currently enrolled.\n");
761: } else {
762: $r->print("<pre>ERROR:$error</pre>");
763: }
764: } elsif (!defined(%currentlist)) {
765: $r->print("There are no students currently enrolled.\n");
766: } else {
767: # Print out the available choices
768: &show_class_list($r,'view',%currentlist);
769: }
770: }
771:
772: # ============================================== view classlist
773: sub menu_phase_two_viewcsv {
774: my $r=shift;
775: my $cid=$ENV{'request.course.id'};
776: my ($error,%currentlist)=&get_current_classlist
777: ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
778: if (defined($error)) {
779: if ($error =~ /^No such file or directory/) {
780: $r->print("There are no students currently enrolled.\n");
781: } else {
782: $r->print("<pre>ERROR:$error</pre>");
783: }
784: } elsif (!defined(%currentlist)) {
785: $r->print("There are no students currently enrolled.\n");
786: } else {
787: &show_class_list($r,'csv',%currentlist);
788: }
789: }
790:
791: # =================================================== Show student list to drop
792: sub show_class_list {
793: my ($r,$mode,%currentlist)=@_;
794: my $cid=$ENV{'request.course.id'};
795: # Print out header
796: if ($mode eq 'view') {
797: $r->print(<<END);
798: <p>
799: <table border=2>
800: <tr><th>username</th><th>domain</th><th>ID</th>
801: <th>student name</th><th>generation</th><th>section</th></tr>
802: END
803: } elsif ($mode eq 'csv') {
804: $r->print(<<END);
805: username,domain,ID,last name,first name,middle name,generation,section
806: END
807: }
808: foreach (sort keys %currentlist) {
809: my ($sname,$sdom)=split(/\:/,$_);
810: my %reply=&Apache::lonnet::idrget($sdom,$sname);
811: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
812: my %info=&Apache::lonnet::get('environment',
813: ['firstname','middlename',
814: 'lastname','generation'],
815: $sdom, $sname);
816: my ($tmp) = keys(%info);
817: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
818: $r->print( ($mode eq 'view' ?
819: '<tr><td colspan="6"><font color="red">' :'').
820: 'Internal error: unable to get environment '.
821: 'for '.$sname.' in domain '.$sdom.
822: ( $mode eq 'view' ?'</font></td></tr>' :''));
823: } else {
824: if ($mode eq 'view') {
825: $r->print(<<"END");
826: <tr>
827: <td>$sname</td>
828: <td>$sdom</td>
829: <td>$reply{$sname}</td>
830: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
831: <td>$info{'generation'}</td>
832: <td>$ssec</td>
833: </tr>
834: END
835: } elsif ($mode eq 'csv') {
836: my @line = ();
837: foreach ($sname,$sdom,$reply{$sname},
838: $info{'lastname'},$info{'firstname'},
839: $info{'middlename'},$info{'generation'},$ssec) {
840: push @line,&Apache::loncommon::csv_translate($_);
841: }
842: my $tmp = $";
843: $" = '","';
844: $r->print("\"@line\"\n");
845: $" = $tmp;
846: }
847: }
848: }
849: $r->print('</table><br>') if ($mode eq 'view');
850: }
851:
852: # =================================================== Show student list to drop
853: sub show_drop_list {
854: my ($r,%currentlist)=@_;
855: my $cid=$ENV{'request.course.id'};
856: $r->print(<<'END');
857: <script>
858: function checkAll(field)
859: {
860: for (i = 0; i < field.length; i++)
861: field[i].checked = true ;
862: }
863:
864: function uncheckAll(field)
865: {
866: for (i = 0; i < field.length; i++)
867: field[i].checked = false ;
868: }
869: </script>
870: <p>
871: <input type="hidden" name="phase" value="four">
872: <table border=2>
873: <tr><th> </th><th>username</th><th>domain</th>
874: <th>ID</th><th>student name</th><th>generation</th>
875: <th>section</th></tr>
876: END
877: foreach (sort keys %currentlist) {
878: my ($sname,$sdom)=split(/\:/,$_);
879: my %reply=&Apache::lonnet::idrget($sdom,$sname);
880: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
881: my %info=&Apache::lonnet::get('environment',
882: ['firstname','middlename',
883: 'lastname','generation'],
884: $sdom, $sname);
885: my ($tmp) = keys(%info);
886: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
887: $r->print('<tr><td colspan="7"><font color="red">'.
888: 'Internal error: unable to get environment '.
889: 'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
890: } else {
891: $r->print(<<"END");
892: <tr>
893: <td><input type="checkbox" name="droplist" value="$_"></td>
894: <td>$sname</td>
895: <td>$sdom</td>
896: <td>$reply{$sname}</td>
897: <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
898: <td>$info{'generation'}</td>
899: <td>$ssec</td>
900: </tr>
901: END
902: }
903: }
904: $r->print('</table><br>');
905: $r->print(<<"END");
906: </p><p>
907: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
908: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
909: <p><input type=submit value="Drop Students"></p>
910: END
911: }
912:
913: # ================================================= Drop/Add from uploaded file
914: sub upfile_drop_add {
915: my $r=shift;
916: &Apache::loncommon::load_tmp_file($r);
917: my @studentdata=&Apache::loncommon::upfile_record_sep();
918: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
919: my $cid = $ENV{'request.course.id'};
920: my %fields=();
921: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
922: if ($ENV{'form.upfile_associate'} eq 'reverse') {
923: if ($ENV{'form.f'.$i} ne 'none') {
924: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
925: }
926: } else {
927: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
928: }
929: }
930: #
931: my $startdate = $ENV{'form.startdate'};
932: my $enddate = $ENV{'form.enddate'};
933: if ($startdate=~/\D/) { $startdate=''; }
934: if ($enddate=~/\D/) { $enddate=''; }
935: # Determine domain and desired host (home server)
936: my $domain=$ENV{'form.lcdomain'};
937: my $desiredhost = $ENV{'form.lcserver'};
938: if (lc($desiredhost) eq 'default') {
939: $desiredhost = undef;
940: } else {
941: my %home_servers = &Apache::loncommon::get_library_servers($domain);
942: if (! exists($home_servers{$desiredhost})) {
943: $r->print('<font color="#ff0000">Error:</font>'.
944: 'Invalid home server specified');
945: return;
946: }
947: }
948: # Determine authentication mechanism
949: my $amode = '';
950: my $genpwd = '';
951: if ($ENV{'form.login'} eq 'krb') {
952: $amode='krb4';
953: $genpwd=$ENV{'form.krbarg'};
954: } elsif ($ENV{'form.login'} eq 'int') {
955: $amode='internal';
956: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
957: $genpwd=$ENV{'form.intarg'};
958: }
959: } elsif ($ENV{'form.login'} eq 'loc') {
960: $amode='localauth';
961: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
962: $genpwd=$ENV{'form.locarg'};
963: }
964: }
965: unless (($domain=~/\W/) || ($amode eq '')) {
966: #######################################
967: ## Enroll Students ##
968: #######################################
969: $r->print('<h3>Enrolling Students</h3>');
970: my $count=0;
971: my $flushc=0;
972: my %student=();
973: # Get new classlist
974: foreach (@studentdata) {
975: my %entries=&Apache::loncommon::record_sep($_);
976: # Determine student name
977: unless (($entries{$fields{'username'}} eq '') ||
978: (!defined($entries{$fields{'username'}}))) {
979: my ($fname, $mname, $lname,$gen) = ('','','','');
980: if (defined($fields{'names'})) {
981: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
982: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
983: } else {
984: if (defined($fields{'fname'})) {
985: $fname=$entries{$fields{'fname'}};
986: }
987: if (defined($fields{'mname'})) {
988: $mname=$entries{$fields{'mname'}};
989: }
990: if (defined($fields{'lname'})) {
991: $lname=$entries{$fields{'lname'}};
992: }
993: if (defined($fields{'gen'})) {
994: $gen=$entries{$fields{'gen'}};
995: }
996: }
997: if ($entries{$fields{'username'}}=~/\W/) {
998: $r->print('<p><b>Unacceptable username: '.
999: $entries{$fields{'username'}}.' for user '.
1000: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1001: } else {
1002: # determine section number
1003: my $sec='';
1004: my $username=$entries{$fields{'username'}};
1005: if (defined($fields{'sec'})) {
1006: if (defined($entries{$fields{'sec'}})) {
1007: $sec=$entries{$fields{'sec'}};
1008: }
1009: }
1010: # determine student id number
1011: my $id='';
1012: if (defined($fields{'id'})) {
1013: if (defined($entries{$fields{'id'}})) {
1014: $id=$entries{$fields{'id'}};
1015: }
1016: $id=~tr/A-Z/a-z/;
1017: }
1018: # determine student password
1019: my $password='';
1020: if ($genpwd) {
1021: $password=$genpwd;
1022: } else {
1023: if (defined($fields{'ipwd'})) {
1024: if ($entries{$fields{'ipwd'}}) {
1025: $password=$entries{$fields{'ipwd'}};
1026: }
1027: }
1028: }
1029: if ($password) {
1030: &modifystudent($domain,$username,$cid,$sec,
1031: $desiredhost);
1032: my $reply=&Apache::lonnet::modifystudent
1033: ($domain,$username,$id,$amode,$password,
1034: $fname,$mname,$lname,$gen,$sec,$enddate,
1035: $startdate,$ENV{'form.forceid'},$desiredhost);
1036: if ($reply ne 'ok') {
1037: $r->print('<p><b>'.
1038: 'Error enrolling '.$username.': '.
1039: $reply.'</b></p>');
1040: } else {
1041: $count++; $flushc++;
1042: $student{$username}=1;
1043: $r->print('. ');
1044: if ($flushc>15) {
1045: $r->rflush;
1046: $flushc=0;
1047: }
1048: }
1049: } else {
1050: $r->print("<p><b>No password for $username</b><p>");
1051: }
1052: }
1053: }
1054: } # end of foreach (@studentdata)
1055: $r->print('<p>Processed Students: '.$count);
1056: #####################################
1057: # Drop students #
1058: #####################################
1059: if ($ENV{'form.fullup'} eq 'yes') {
1060: $r->print('<h3>Dropping Students</h3>');
1061: # Get current classlist
1062: my ($error,%currentlist)=&get_current_classlist
1063: ($ENV{'course.'.$cid.'.domain'},
1064: $ENV{'course.'.$cid.'.num'});
1065: if (defined($error)) {
1066: $r->print('<pre>ERROR:$error</pre>');
1067: }
1068: if (defined(%currentlist)) {
1069: # Drop the students
1070: foreach (@studentdata) {
1071: my %entries=&Apache::loncommon::record_sep($_);
1072: unless (($entries{$fields{'username'}} eq '') ||
1073: (!defined($entries{$fields{'username'}}))) {
1074: delete($currentlist{$entries{$fields{'username'}}.
1075: ':'.$domain});
1076: }
1077: }
1078: # Print out list of dropped students
1079: &show_drop_list($r,%currentlist);
1080: } else {
1081: $r->print("There are no students currently enrolled.\n");
1082: }
1083: }
1084: } # end of unless
1085: }
1086:
1087: # ================================================================== Phase four
1088: sub drop_student_list {
1089: my $r=shift;
1090: my $count=0;
1091: my @droplist;
1092: if (ref($ENV{'form.droplist'})) {
1093: @droplist = @{$ENV{'form.droplist'}};
1094: } else {
1095: @droplist = ($ENV{'form.droplist'});
1096: }
1097: foreach (@droplist) {
1098: my ($uname,$udom)=split(/\:/,$_);
1099: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1100: if ($result eq 'ok' || $result eq 'ok:') {
1101: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
1102: } else {
1103: $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
1104: '<br />');
1105: }
1106: $count++;
1107: }
1108: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1109: $r->print('<p>Re-enrollment will re-activate data.');
1110: }
1111:
1112: # ================================================================ Main Handler
1113: sub handler {
1114: my $r=shift;
1115: if ($r->header_only) {
1116: $r->content_type('text/html');
1117: $r->send_http_header;
1118: return OK;
1119: }
1120: # Needs to be in a course
1121: if (($ENV{'request.course.fn'}) &&
1122: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
1123: # Start page
1124: $r->content_type('text/html') if (! exists($ENV{'form.viewcsv'}));
1125: $r->send_http_header;
1126: $r->print(&header()) if (! exists($ENV{'form.viewcsv'}));
1127: # Phase one, initial screen
1128: unless ($ENV{'form.phase'}) {
1129: &menu_phase_one($r);
1130: }
1131: # Phase two
1132: if ($ENV{'form.associate'} eq 'Reverse Association') {
1133: $ENV{'form.phase'} = 'two';
1134: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
1135: $ENV{'form.upfile_associate'} = 'reverse';
1136: } else {
1137: $ENV{'form.upfile_associate'} = 'forward';
1138: }
1139: }
1140: if ($ENV{'form.phase'} eq 'two') {
1141: if ($ENV{'form.fileupload'}) {
1142: &menu_phase_two_upload($r);
1143: } elsif ($ENV{'form.enroll'}) {
1144: &menu_phase_two_enroll($r);
1145: } elsif ($ENV{'form.drop'}) {
1146: &menu_phase_two_drop($r);
1147: } elsif ($ENV{'form.view'}) {
1148: &menu_phase_two_view($r);
1149: } elsif ($ENV{'form.viewcsv'}) {
1150: &menu_phase_two_viewcsv($r);
1151: }
1152: }
1153: # Phase three
1154: if ($ENV{'form.phase'} eq 'three') {
1155: if ($ENV{'form.datatoken'}) {
1156: &upfile_drop_add($r);
1157: }
1158: }
1159: # Phase four
1160: if ($ENV{'form.phase'} eq 'four') {
1161: &drop_student_list($r);
1162: }
1163: # Phase five
1164: if ($ENV{'form.phase'} eq 'five') {
1165: &enroll_single_student($r);
1166: }
1167: # End
1168: $r->print('</form></body></html>') if (! exists($ENV{'form.viewcsv'}));
1169: } else {
1170: # Not in a course, or not allowed to modify parms
1171: $ENV{'user.error.msg'}=
1172: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1173: return HTTP_NOT_ACCEPTABLE;
1174: }
1175: return OK;
1176: }
1177:
1178: 1;
1179: __END__
1180:
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