1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.25 2002/04/16 19:08:49 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 $r=shift;
63: $r->print(<<ENDHEAD);
64: <html>
65: <head>
66: <title>LON-CAPA Student Drop/Add</title>
67: </head>
68: <body bgcolor="#FFFFFF">
69: <img align=right src=/adm/lonIcons/lonlogos.gif>
70: <h1>Drop/Add Students</h1>
71: <form method="post" enctype="multipart/form-data"
72: action="/adm/dropadd" name="studentform">
73: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
74: ENDHEAD
75: }
76:
77: # =========== Drop student from all sections of a course, except optional $csec
78:
79: sub dropstudent {
80: my ($udom,$unam,$courseid,$csec)=@_;
81: $courseid=~s/\_/\//g;
82: $courseid=~s/^(\w)/\/$1/;
83: foreach (split(/\&/,
84: &Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
85: &Apache::lonnet::homeserver($unam,$udom)))) {
86: my ($key,$value)=split(/\=/,$_);
87: $key=&Apache::lonnet::unescape($key);
88: if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
89: my $section=$1;
90: if ($key eq $courseid.'_st') { $section=''; }
91: if (((!$section) && (!$csec)) || ($section ne $csec)) {
92: my ($dummy,$end,$start)=split(/\_/,
93: &Apache::lonnet::unescape
94: ($value));
95: my $now=time;
96: my $notactive=0;
97: if ($start) {
98: if ($now<$start) { $notactive=1; }
99: }
100: if ($end) {
101: if ($now>$end) { $notactive=1; }
102: }
103: unless ($notactive) {
104: my $reply=&Apache::lonnet::modifystudent
105: ($udom,$unam,'','','',
106: '','','','',$section,time);
107: }
108: }
109: }
110: }
111: }
112:
113: # ============================================================== Menu Phase One
114:
115: sub menu_phase_one {
116: my $r=shift;
117: my $upfile_select=&Apache::loncommon::upfile_select_html();
118: $r->print(<<ENDUPFORM);
119: <input type=hidden name=phase value=two>
120: <hr>
121: <h3>Upload a courselist</h3>
122: $upfile_select
123: <p><input type=submit name=fileupload value="Upload Courselist">
124: <hr>
125: <h3>Enroll a single student</h3>
126: <p><input type=submit name=enroll value="Enroll Student">
127: <hr>
128: <h3>Drop students</h3>
129: <p><input type=submit name=drop value="Selection List">
130: ENDUPFORM
131: }
132:
133:
134: sub phase_two_header {
135: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
136: my $javascript;
137: if ($ENV{'form.upfile_associate'} eq 'reverse') {
138: $javascript=&phase_two_javascript_reverse_associate();
139: } else {
140: $javascript=&phase_two_javascript_forward_associate();
141: }
142: my $javascript_validations=&javascript_validations($krbdefdom);
143: $r->print(<<ENDPICK);
144: <hr>
145: <h3>Identify fields</h3>
146: Total number of records found in file: $distotal <hr />
147: Enter as many fields as you can. The system will inform you and bring you back
148: to this page if the data selected is insufficient to run your class.<hr />
149: <input type="submit" name="associate" value="Reverse Association" />
150: <input type="hidden" name="phase" value="three" />
151: <input type="hidden" name="datatoken" value="$datatoken" />
152: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
153: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
154: <input type="hidden" name="upfile_associate" value="$ENV{'form.upfile_associate'}" />
155: <hr />
156: <script>
157: $javascript
158:
159: $javascript_validations
160: </script>
161: ENDPICK
162: }
163:
164: sub javascript_validations {
165: my ($krbdefdom)=@_;
166: return (<<ENDPICK);
167: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
168: var foundatype=0;
169: var message='';
170: if (founduname==0) {
171: alert('You need to specify at least the username field');
172: return;
173: }
174: if (vf.login[0].checked) {
175: foundatype=1;
176: if (vf.krbdom.value=='') {
177: alert('You need to specify the Kerberos domain');
178: return;
179: }
180: }
181: if (vf.login[1].checked) {
182: foundatype=1;
183: if ((vf.intpwd.value=='') && (foundpwd==0)) {
184: alert('You need to specify the initial password');
185: return;
186: }
187: }
188: if (vf.login[2].checked) {
189: foundatype=1;
190: //An argument is not required
191: }
192: if (foundatype==0) {
193: alert('You need to set the login type');
194: return;
195: }
196: if (foundname==0) { message='No name fields specified. '; }
197: if (foundid==0) { message+='No ID or student number field specified. '; }
198: if (foundsec==0) { message+='No section or group field specified. '; }
199: if (vf.startdate.value=='') {
200: message+='No starting date set. ';
201: }
202: if (vf.enddate.value=='') {
203: message+='No ending date set. ';
204: }
205: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
206: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
207: alert('Ending date is before starting date');
208: return;
209: }
210: }
211: if (message!='') {
212: message+='Continue enrollment?';
213: if (confirm(message)) {
214: pclose();
215: vf.submit();
216: }
217: } else {
218: pclose();
219: vf.submit();
220: }
221: }
222:
223: function setkrb(vf) {
224: if (vf.krbdom.value!='') {
225: clearpwd(vf);
226: vf.login[0].checked=true;
227: vf.krbdom.value=vf.krbdom.value.toUpperCase();
228: vf.intpwd.value='';
229: vf.locarg.value='';
230: }
231: }
232:
233: function setint(vf) {
234: if (vf.intpwd.value!='') {
235: clearpwd(vf);
236: vf.login[1].checked=true;
237: vf.krbdom.value='';
238: vf.locarg.value='';
239: }
240: }
241:
242: function setloc(vf) {
243: if (vf.locarg.value!='') {
244: vf.login[2].checked=true;
245: vf.krbdom.value='';
246: vf.intpwd.value='';
247: }
248: }
249:
250: function clickkrb(vf) {
251: vf.krbdom.value='$krbdefdom';
252: clearpwd(vf);
253: vf.intpwd.value='';
254: vf.locarg.value='';
255: }
256:
257: function clickint(vf) {
258: vf.krbdom.value='';
259: vf.locarg.value='';
260: }
261:
262: function clickloc(vf) {
263: vf.krbdom.value='';
264: vf.intpwd.value='';
265: }
266:
267: function pclose() {
268: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
269: "height=350,width=350,scrollbars=no,menubar=no");
270: parmwin.close();
271: }
272:
273: function pjump(type,dis,value,marker,ret,call) {
274: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
275: +"&value="+escape(value)+"&marker="+escape(marker)
276: +"&return="+escape(ret)
277: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
278: "height=350,width=350,scrollbars=no,menubar=no");
279:
280: }
281:
282: function dateset() {
283: if (document.studentform.pres_marker.value=='end') {
284: document.studentform.enddate.value=
285: document.studentform.pres_value.value;
286: }
287: if (document.studentform.pres_marker.value=='start') {
288: document.studentform.startdate.value=
289: document.studentform.pres_value.value;
290: }
291: pclose();
292: }
293:
294: ENDPICK
295: }
296:
297: sub phase_two_javascript_forward_associate {
298: return(<<ENDPICK);
299: function verify(vf) {
300: var founduname=0;
301: var foundpwd=0;
302: var foundname=0;
303: var foundid=0;
304: var foundsec=0;
305: var tw;
306: for (i=0;i<=vf.nfields.value;i++) {
307: tw=eval('vf.f'+i+'.selectedIndex');
308: if (tw==1) { founduname=1; }
309: if ((tw>=2) && (tw<=6)) { foundname=1; }
310: if (tw==7) { foundid=1; }
311: if (tw==8) { foundsec=1; }
312: if (tw==9) { foundpwd=1; }
313: }
314: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
315: }
316:
317:
318: function flip(vf,tf) {
319: var nw=eval('vf.f'+tf+'.selectedIndex');
320: var i;
321: for (i=0;i<=vf.nfields.value;i++) {
322: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
323: eval('vf.f'+i+'.selectedIndex=0;')
324: }
325: }
326: if (tf==1 && nw!=0) {
327: for (i=2;i<=5;i++) {
328: eval('vf.f'+i+'.selectedIndex=0;')
329: }
330: }
331: if (nw==2) {
332: for (i=0;i<=vf.nfields.value;i++) {
333: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
334: (eval('vf.f'+i+'.selectedIndex')<=6)) {
335: eval('vf.f'+i+'.selectedIndex=0;')
336: }
337: }
338: }
339: if ((nw>=3) && (nw<=6)) {
340: for (i=0;i<=vf.nfields.value;i++) {
341: if (eval('vf.f'+i+'.selectedIndex')==2) {
342: eval('vf.f'+i+'.selectedIndex=0;')
343: }
344: }
345: }
346: if (nw==9) {
347: vf.login[1].checked=true;
348: vf.intpwd.value='';
349: vf.krbdom.value='';
350: vf.locarg.value='';
351: }
352: }
353:
354: function clearpwd(vf) {
355: var i;
356: for (i=0;i<=vf.nfields.value;i++) {
357: if (eval('vf.f'+i+'.selectedIndex')==9) {
358: eval('vf.f'+i+'.selectedIndex=0;')
359: }
360: }
361: }
362:
363: ENDPICK
364: }
365:
366: sub phase_two_javascript_reverse_associate {
367: return(<<ENDPICK);
368: function verify(vf) {
369: var founduname=0;
370: var foundpwd=0;
371: var foundname=0;
372: var foundid=0;
373: var foundsec=0;
374: var tw;
375: for (i=0;i<=vf.nfields.value;i++) {
376: tw=eval('vf.f'+i+'.selectedIndex');
377: if (i==0 && tw!=0) { founduname=1; }
378: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
379: if (i==6 && tw!=0) { foundid=1; }
380: if (i==7 && tw!=0) { foundsec=1; }
381: if (i==8 && tw!=0) { foundpwd=1; }
382: }
383: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
384: }
385:
386: function flip(vf,tf) {
387: var nw=eval('vf.f'+tf+'.selectedIndex');
388: var i;
389: // picked the all one one name field, reset the other name ones to blank
390: if (tf==1 && nw!=0) {
391: for (i=2;i<=5;i++) {
392: eval('vf.f'+i+'.selectedIndex=0;')
393: }
394: }
395: //picked one of the piecewise name fields, reset the all in
396: //one field to blank
397: if ((tf>=2) && (tf<=5) && (nw!=0)) {
398: eval('vf.f1.selectedIndex=0;')
399: }
400: // intial password specified, pick internal authentication
401: if (tf==8 && nw!=0) {
402: vf.login[1].checked=true;
403: vf.intpwd.value='';
404: vf.krbdom.value='';
405: vf.locarg.value='';
406: }
407: }
408:
409: function clearpwd(vf) {
410: var i;
411: if (eval('vf.f8.selectedIndex')!=0) {
412: eval('vf.f8.selectedIndex=0;')
413: }
414: }
415: ENDPICK
416: }
417:
418: sub phase_two_end {
419: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
420: $r->print(<<ENDPICK);
421: </table>
422: <input type=hidden name=nfields value=$i>
423: <input type=hidden name=keyfields value="$keyfields">
424: <h3>Login Type</h3>
425: <p>Note: this will not take effect if the user already exists</p>
426: <p>
427: <input type=radio name=login value=krb onClick="clickkrb(this.form);" />
428: Kerberos authenticated with domain
429: <input type=text size=10 name=krbdom onChange="setkrb(this.form);" />
430: </p>
431: <p>
432: <input type=radio name=login value=int onClick="clickint(this.form);" />
433: Internally authenticated (with initial password
434: <input type=text size=10 name=intpwd onChange="setint(this.form);" />)
435: </p>
436: <p>
437: <input type=radio name=login value=loc onClick="clickloc(this.form);" />
438: Local Authentication with argument
439: <input type=text size=10 name=locarg onChange="setloc(this.form);" />
440: </p>
441: <h3>LON-CAPA Domain for Students</h3>
442: LON-CAPA domain: <input type=text size=10 value=$defdom name=lcdomain><p>
443: <h3>Starting and Ending Dates</h3>
444: <input type="hidden" value='' name="pres_value">
445: <input type="hidden" value='' name="pres_type">
446: <input type="hidden" value='' name="pres_marker">
447: <input type="hidden" value='$today' name=startdate>
448: <input type="hidden" value='$halfyear' name=enddate>
449: <a
450: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
451: >Set Starting Date</a><p>
452:
453: <a
454: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
455: >Set Ending Date</a><p>
456: <h3>Full Update</h3>
457: <input type=checkbox name=fullup value=yes> Full update
458: (also print list of users not enrolled anymore)<p>
459: <h3>ID/Student Number</h3>
460: <input type=checkbox name=forceid value=yes>
461: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
462: (only do if you know what you are doing)<p>
463: <input type=button onClick="verify(this.form)" value="Update Courselist"><br>
464: Note: for large courses, this operation might be time consuming.
465: ENDPICK
466: }
467:
468: # ======================================================= Menu Phase Two Upload
469:
470: sub menu_phase_two_upload {
471: my $r=shift;
472: my $datatoken;
473: if (!$ENV{'form.datatoken'}) {
474: $datatoken=&Apache::loncommon::upfile_store($r);
475: } else {
476: $datatoken=$ENV{'form.datatoken'};
477: &Apache::loncommon::load_tmp_file($r);
478: }
479: my @records=&Apache::loncommon::upfile_record_sep();
480: my $total=$#records;
481: my $distotal=$total+1;
482: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
483: my $krbdefdom=$1;
484: $krbdefdom=~tr/a-z/A-Z/;
485: my $today=time;
486: my $halfyear=$today+15552000;
487: my $defdom=$r->dir_config('lonDefDomain');
488: &phase_two_header($r,$datatoken,$distotal,$krbdefdom);
489: my $i;
490: my $keyfields;
491: if ($total>=0) {
492: my @d=(['username','Username'],['names','Last Name, First Names'],
493: ['fname','First Name'],['mname','Middle Names/Initials'],
494: ['lname','Last Name'],['gen','Generation'],
495: ['id','ID/Student Number'],['sec','Group/Section'],
496: ['ipwd','Initial Password']);
497: if ($ENV{'form.upfile_associate'} eq 'reverse') {
498: &Apache::loncommon::csv_print_samples($r,\@records);
499: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
500: foreach (@d) { $keyfields.=$_->[0].','; }
501: chop($keyfields);
502: } else {
503: unshift(@d,['none','']);
504: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
505: my %sone=&Apache::loncommon::record_sep($records[0]);
506: $keyfields=join(',',sort(keys(%sone)));
507: }
508: }
509: &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);
510: }
511:
512: # ======================================================= Enroll single student
513:
514: sub enroll_single_student {
515: my $r=shift;
516: $r->print('<h3>Enrolling Student</h3>');
517: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
518: ($ENV{'form.cdomain'})&&($ENV{'form.cdomain'}!~/\W/)) {
519: my $amode='';
520: my $genpwd='';
521: if ($ENV{'form.login'} eq 'krb') {
522: $amode='krb4';
523: $genpwd=$ENV{'form.krbdom'};
524: } elsif ($ENV{'form.login'} eq 'int') {
525: $amode='internal';
526: $genpwd=$ENV{'form.intpwd'};
527: } elsif ($ENV{'form.login'} eq 'loc') {
528: $amode='localauth';
529: $genpwd=$ENV{'form.locarg'};
530: if (!$genpwd) { $genpwd=" "; }
531: }
532: if (($amode) && ($genpwd)) {
533: &dropstudent($ENV{'form.cdomain'},$ENV{'form.cuname'},
534: $ENV{'request.course.id'},$ENV{'form.csec'});
535: $r->print(&Apache::lonnet::modifystudent
536: ($ENV{'form.cdomain'},$ENV{'form.cuname'},
537: $ENV{'form.cstid'},$amode,$genpwd,
538: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
539: $ENV{'form.clast'},$ENV{'form.cgen'},
540: $ENV{'form.csec'},$ENV{'form.enddate'},
541: $ENV{'form.startdate'},$ENV{'form.forceid'}));
542: } else {
543: $r->print('Invalid login mode or password');
544: }
545: } else {
546: $r->print('Invalid username or domain');
547: }
548: }
549:
550: # ======================================================= Menu Phase Two Enroll
551:
552: sub menu_phase_two_enroll {
553: my $r=shift;
554: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
555: my $krbdefdom=$1;
556: $krbdefdom=~tr/a-z/A-Z/;
557: my $today=time;
558: my $halfyear=$today+15552000;
559: my $defdom=$r->dir_config('lonDefDomain');
560: my $javascript_validations=&javascript_validations($krbdefdom);
561: $r->print(<<ENDSENROLL);
562: <script>
563: function verify(vf) {
564: var founduname=0;
565: var foundpwd=0;
566: var foundname=0;
567: var foundid=0;
568: var foundsec=0;
569: var tw;
570: if ((typeof(vf.cuname.value)!="undefined") && (vf.cuname.value!='') &&
571: (typeof(vf.cdomain.value)!="undefined") && (vf.cdomain.value!='')) {
572: founduname=1;
573: }
574: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
575: (typeof(vf.clast.value)!="undefined") && (vf.clast.value!='')) {
576: foundname=1;
577: }
578: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
579: foundsec=1;
580: }
581: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
582: foundid=1;
583: }
584: if (founduname==0) {
585: alert('You need to specify at least the username and domain fields');
586: return;
587: }
588: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
589: }
590:
591: $javascript_validations
592:
593: function clearpwd(vf) {
594: //nothing else needs clearing
595: }
596:
597: </script>
598: <h3>Personal Data</h3>
599: First Name: <input type=text name=cfirst size=15><br>
600: Middle Name: <input type=text name=cmiddle size=15><br>
601: Last Name: <input type=text name=clast size=15><br>
602: Generation: <input type=text name=cgen size=5><p>
603:
604: ID/Student Number: <input type=text name=cstid size=10><p>
605:
606: Group/Section: <input type=text name=csec size=5><p>
607:
608: <h3>Login Data</h3>
609: Username: <input type=text name=cuname size=15><p>
610: Domain: <input type=text size=10 value=$defdom name=cdomain><p>
611: Note: login settings below will not take effect if the user already exists<p>
612:
613: <input type=radio name=login value=krb onClick="clickkrb(this.form);">
614: Kerberos authenticated with domain
615: <input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
616: <input type=radio name=login value=int onClick="clickint(this.form);">
617: Internally authenticated (with initial password
618: <input type=text size=10 name=intpwd onChange="setint(this.form);">)
619: <p>
620: <input type=radio name=login value=loc onClick="clickloc(this.form);" />
621: Local Authentication with argument
622: <input type=text size=10 name=locarg onChange="setloc(this.form);" />
623: </p>
624: <h3>Starting and Ending Dates</h3>
625: <input type="hidden" value='' name="pres_value">
626: <input type="hidden" value='' name="pres_type">
627: <input type="hidden" value='' name="pres_marker">
628: <input type="hidden" value='$today' name=startdate>
629: <input type="hidden" value='$halfyear' name=enddate>
630: <a
631: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
632: >Set Starting Date</a><p>
633:
634: <a
635: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
636: >Set Ending Date</a><p>
637: <h3>ID/Student Number</h3>
638: <input type=checkbox name=forceid value=yes>
639: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
640: (only do if you know what you are doing)<p>
641: <input type=button onClick="verify(this.form)" value="Enroll as student"><br>
642: <input type=hidden name=phase value=five>
643: ENDSENROLL
644: }
645:
646: # ========================================================= Menu Phase Two Drop
647:
648: sub menu_phase_two_drop {
649: my $r=shift;
650: my $cid=$ENV{'request.course.id'};
651: my $classlst=&Apache::lonnet::reply
652: ('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
653: $ENV{'course.'.$cid.'.num'}.':classlist',
654: $ENV{'course.'.$cid.'.home'});
655: my %currentlist=();
656: my $now=time;
657: unless ($classlst=~/^error\:/) {
658: foreach (split(/\&/,$classlst)) {
659: my ($name,$value)=split(/\=/,$_);
660: my ($end,$start)=split(/\:/,
661: &Apache::lonnet::unescape($value));
662: my $active=1;
663: if (($end) && ($now>$end)) { $active=0; }
664: if ($active) {
665: $currentlist{&Apache::lonnet::unescape($name)}=1;
666: }
667: }
668: # ----------------------------------------------------------- Print out choices
669: &show_drop_list($r,%currentlist);
670: } else {
671: $r->print('<font color=red><h3>Could not access classlist: '.$classlst.
672: '</h3></font>');
673: }
674: }
675:
676: # =================================================== Show student list to drop
677:
678: sub show_drop_list {
679: my ($r,%currentlist)=@_;
680: my $cid=$ENV{'request.course.id'};
681:
682: $r->print('<input type=hidden name=phase value=four>');
683: $r->print('<table border=2>');
684: foreach (sort keys %currentlist) {
685: my ($sname,$sdom)=split(/\:/,$_);
686: my %reply=&Apache::lonnet::idrget($sdom,$sname);
687: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
688: my @reply=split(/[\&\=]/,&Apache::lonnet::reply
689: ('get:'.$sdom.':'.$sname.
690: ':environment:firstname&middlename&lastname&generation',
691: &Apache::lonnet::homeserver($sname,$sdom)));
692: $r->print('<tr><td><input type=checkbox name="drop:'.$_.'"></td><td>'.
693: $sname.'</td><td>'.$sdom.'</td><td>'.
694: $reply{$sname}.'</td><td>'.
695: &Apache::lonnet::unescape($reply[2]).' '.
696: &Apache::lonnet::unescape($reply[3]).', '.
697: &Apache::lonnet::unescape($reply[0]).' '.
698: &Apache::lonnet::unescape($reply[1]).
699: '</td><td>'.
700: $ssec."</td></tr>\n");
701: }
702: $r->print('</table><br>');
703: $r->print('<input type=submit value="Drop Students">');
704: }
705:
706: # ================================================= Drop/Add from uploaded file
707:
708: sub upfile_drop_add {
709: my $r=shift;
710: &Apache::loncommon::load_tmp_file($r);
711: my @studentdata=&Apache::loncommon::upfile_record_sep();
712: my @keyfields=split(/\,/,$ENV{'form.keyfields'});
713: my $cid=$ENV{'request.course.id'};
714: my %fields=();
715: for (my $i=0;$i<=$ENV{'form.nfields'};$i++) {
716: if ($ENV{'form.upfile_associate'} eq 'reverse') {
717: if ($ENV{'form.f'.$i} ne 'none') {
718: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
719: }
720: } else {
721: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
722: }
723: }
724: my $startdate=$ENV{'form.startdate'};
725: my $enddate=$ENV{'form.enddate'};
726: if ($startdate=~/\D/) { $startdate=''; }
727: if ($enddate=~/\D/) { $enddate=''; }
728: my $domain=$ENV{'form.lcdomain'};
729: my $amode='';
730: my $genpwd='';
731: if ($ENV{'form.login'} eq 'krb') {
732: $amode='krb4';
733: $genpwd=$ENV{'form.krbdom'};
734: } elsif ($ENV{'form.login'} eq 'int') {
735: $amode='internal';
736: if ((defined($ENV{'form.intpwd'})) && ($ENV{'form.intpwd'})) {
737: $genpwd=$ENV{'form.intpwd'};
738: }
739: } elsif ($ENV{'form.login'} eq 'loc') {
740: $amode='localauth';
741: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
742: $genpwd=$ENV{'form.locarg'};
743: }
744: }
745: unless (($domain=~/\W/) || ($amode eq '')) {
746: $r->print('<h3>Enrolling Students</h3>');
747: my $count=0;
748: my $flushc=0;
749: my %student=();
750: # ----------------------------------------------------------- Get new classlist
751: # --------------------------------------------------------- Enroll new students
752: foreach (@studentdata) {
753: my %entries=&Apache::loncommon::record_sep($_);
754: unless (($entries{$fields{'username'}} eq '') ||
755: (!defined($entries{$fields{'username'}}))) {
756: my $fname=''; my $mname=''; my $lname=''; my $gen='';
757: if (defined($fields{'names'})) {
758: ($lname,$fname,$mname)=
759: ($entries{$fields{'names'}}=~/([^\,]+)\,\s*(\w+)\s*(.*)$/);
760: } else {
761: if (defined($fields{'fname'})) {
762: $fname=$entries{$fields{'fname'}};
763: }
764: if (defined($fields{'mname'})) {
765: $mname=$entries{$fields{'mname'}};
766: }
767: if (defined($fields{'lname'})) {
768: $lname=$entries{$fields{'lname'}};
769: }
770: if (defined($fields{'gen'})) {
771: $gen=$entries{$fields{'gen'}};
772: }
773: }
774: if ($entries{$fields{'username'}}=~/\W/) {
775: $r->print('<p><b>Unacceptable username: '.
776: $entries{$fields{'username'}}.' for user '.
777: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
778: } else {
779: my $sec='';
780: my $username=$entries{$fields{'username'}};
781: if (defined($fields{'sec'})) {
782: if (defined($entries{$fields{'sec'}})) {
783: $sec=$entries{$fields{'sec'}};
784: }
785: }
786: my $id='';
787: if (defined($fields{'id'})) {
788: if (defined($entries{$fields{'id'}})) {
789: $id=$entries{$fields{'id'}};
790: }
791: $id=~tr/A-Z/a-z/;
792: }
793: my $password='';
794: if ($genpwd) {
795: $password=$genpwd;
796: } else {
797: if (defined($fields{'ipwd'})) {
798: if ($entries{$fields{'ipwd'}}) {
799: $password=$entries{$fields{'ipwd'}};
800: }
801: }
802: }
803: if ($password) {
804: &dropstudent($domain,$username,$cid,$sec);
805: my $reply=&Apache::lonnet::modifystudent
806: ($domain,$username,$id,$amode,$password,
807: $fname,$mname,$lname,$gen,$sec,$enddate,
808: $startdate,$ENV{'form.forceid'});
809: unless ($reply eq 'ok') {
810: $r->print(
811: "<p><b>Error enrolling $username: $reply</b><p>");
812: } else {
813: $count++; $flushc++;
814: $student{$username}=1;
815: $r->print('. ');
816: if ($flushc>15) {
817: $r->rflush;
818: $flushc=0;
819: }
820: }
821: } else {
822: $r->print("<p><b>No password for $username</b><p>");
823: }
824: }
825: }
826: }
827: $r->print('<p>Processed Students: '.$count);
828: # --------------------------------------------------------------- Drop students
829: if ($ENV{'form.fullup'} eq 'yes') {
830: $r->print('<h3>Dropping Students</h3>');
831: # ------------------------------------------------------- Get current classlist
832: my $classlst=&Apache::lonnet::reply
833: ('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
834: $ENV{'course.'.$cid.'.num'}.':classlist',
835: $ENV{'course.'.$cid.'.home'});
836: my %currentlist=();
837: my $now=time;
838: unless ($classlst=~/^error\:/) {
839: foreach (split(/\&/,$classlst)) {
840: my ($name,$value)=split(/\=/,$_);
841: my ($end,$start)=split(/\:/,
842: &Apache::lonnet::unescape($value));
843: my $active=1;
844: if (($end) && ($now>$end)) { $active=0; }
845: if ($active) {
846: $currentlist{&Apache::lonnet::unescape($name)}=1;
847: }
848: }
849: # ------------------------------------------------ Now got up-to-date classlist
850: foreach (@studentdata) {
851: my %entries=&Apache::loncommon::record_sep($_);
852: unless (($entries{$fields{'username'}} eq '') ||
853: (!defined($entries{$fields{'username'}}))) {
854: delete($currentlist{
855: $entries{$fields{'username'}}.':'.
856: $domain});
857: }
858: }
859: # ----------------------------------------------------------- Print out choices
860: &show_drop_list($r,%currentlist);
861: } else {
862: $r->print('<font color=red><h3>Could not access classlist: '.
863: $classlst.'</h3></font>');
864: }
865: }
866: # ------------------------------------------------------------------------ Done
867: }
868: }
869:
870: # ================================================================== Phase four
871:
872: sub drop_student_list {
873: my $r=shift;
874: my $count=0;
875: foreach (keys %ENV) {
876: if ($_=~/^form\.drop\:/) {
877: my ($dummy,$uname,$udom)=split(/\:/,$_);
878: &dropstudent($udom,$uname,$ENV{'request.course.id'});
879: $r->print('Dropped '.$uname.' at '.$udom.'<br>');
880: $count++;
881: }
882: }
883: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
884: $r->print('<p>Re-enrollment will re-activate data.');
885: }
886:
887: # ================================================================ Main Handler
888:
889: sub handler {
890: my $r=shift;
891: $Apache::lonxml::debug=1;
892: if ($r->header_only) {
893: $r->content_type('text/html');
894: $r->send_http_header;
895: return OK;
896: }
897: # ----------------------------------------------------- Needs to be in a course
898: if (($ENV{'request.course.fn'}) &&
899: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
900: # ------------------------------------------------------------------ Start page
901: $r->content_type('text/html');
902: $r->send_http_header;
903: &header($r);
904: # --------------------------------------------------- Phase one, initial screen
905: unless ($ENV{'form.phase'}) {
906: &menu_phase_one($r);
907: }
908: # ------------------------------------------------------------------- Phase two
909: if ($ENV{'form.associate'} eq 'Reverse Association') {
910: $ENV{'form.phase'} = 'two';
911: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
912: $ENV{'form.upfile_associate'} = 'reverse';
913: } else {
914: $ENV{'form.upfile_associate'} = 'forward';
915: }
916: }
917: if ($ENV{'form.phase'} eq 'two') {
918: if ($ENV{'form.fileupload'}) {
919: &menu_phase_two_upload($r);
920: } elsif ($ENV{'form.enroll'}) {
921: &menu_phase_two_enroll($r);
922: } elsif ($ENV{'form.drop'}) {
923: &menu_phase_two_drop($r);
924: }
925: }
926: # ----------------------------------------------------------------- Phase three
927: if ($ENV{'form.phase'} eq 'three') {
928: if ($ENV{'form.datatoken'}) {
929: &upfile_drop_add($r);
930: }
931: }
932: # ------------------------------------------------------------------ Phase four
933: if ($ENV{'form.phase'} eq 'four') {
934: &drop_student_list($r);
935: }
936: # ------------------------------------------------------------------ Phase five
937: if ($ENV{'form.phase'} eq 'five') {
938: &enroll_single_student($r);
939: }
940: # ------------------------------------------------------------------------- End
941: $r->print('</form></body></html>');
942: } else {
943: # ----------------------------- Not in a course, or not allowed to modify parms
944: $ENV{'user.error.msg'}=
945: "/adm/dropadd:cst:0:0:Cannot drop or add students";
946: return HTTP_NOT_ACCEPTABLE;
947: }
948: return OK;
949: }
950:
951: 1;
952: __END__
953:
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