1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.57 2002/10/16 13:00:57 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: ###############################################################
35: ###############################################################
36:
37: package Apache::londropadd;
38:
39: use strict;
40: use Apache::lonnet();
41: use Apache::loncommon();
42: use Apache::lonhtmlcommon();
43: use Apache::Constants qw(:common :http REDIRECT);
44:
45: ###############################################################
46: ###############################################################
47: sub header {
48: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
49: return(<<ENDHEAD);
50: <html>
51: <head>
52: <title>LON-CAPA Enrollment Manager</title>
53: </head>
54: $bodytag
55: <form method="post" enctype="multipart/form-data"
56: action="/adm/dropadd" name="studentform">
57: ENDHEAD
58: }
59:
60: ###############################################################
61: ###############################################################
62: # Drop student from all sections of a course, except optional $csec
63: sub modifystudent {
64: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
65: # if $csec is undefined, drop the student from all the courses matching
66: # this one. If $csec is defined, drop them from all other sections of
67: # this course and add them to section $csec
68: $courseid=~s/\_/\//g;
69: $courseid=~s/^(\w)/\/$1/;
70: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
71: my ($tmp) = keys(%roles);
72: # Bail out if we were unable to get the students roles
73: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
74: # Go through the roles looking for enrollment in this course
75: my $result = '';
76: foreach my $course (keys(%roles)) {
77: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
78: # We are in this course
79: my $section=$1;
80: $section='' if ($course eq $courseid.'_st');
81: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
82: my (undef,$end,$start)=split(/\_/,$roles{$course});
83: my $now=time;
84: # if this is an active role
85: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
86: my $reply=&Apache::lonnet::modifystudent
87: ($udom,$unam,'','','','','','','',
88: $section,time,undef,undef,$desiredhost);
89: $result .= $reply.':';
90: }
91: }
92: }
93: }
94: if ($result eq '') {
95: $result eq 'Unable to find section for this student';
96: } else {
97: $result =~ s/(ok:)+/ok/g;
98: }
99: return $result;
100: }
101:
102: ###############################################################
103: ###############################################################
104: # build a domain and server selection form
105: sub domain_form {
106: my ($defdom) = @_;
107: # Set up domain and server selection forms
108: #
109: # Get the domains
110: my @domains = &Apache::loncommon::get_domains();
111: # build up the menu information to be passed to
112: # &Apache::loncommon::linked_select_forms
113: my %select_menus;
114: foreach my $dom (@domains) {
115: # set up the text for this domain
116: $select_menus{$dom}->{'text'}= $dom;
117: # we want a choice of 'default' as the default in the second menu
118: $select_menus{$dom}->{'default'}= 'default';
119: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
120: # Now build up the other items in the second menu
121: my %servers = &Apache::loncommon::get_library_servers($dom);
122: foreach my $server (keys(%servers)) {
123: $select_menus{$dom}->{'select2'}->{$server}
124: = "$server $servers{$server}";
125: }
126: }
127: my $result = &Apache::loncommon::linked_select_forms
128: ('studentform',' with home server ',$defdom,
129: 'lcdomain','lcserver',\%select_menus);
130: return $result;
131: }
132:
133: ###############################################################
134: ###############################################################
135: # Menu Phase One
136: sub print_main_menu {
137: my $r=shift;
138: $r->print(<<END);
139: <p>
140: <font size="+1">
141: <a href="/adm/dropadd?action=upload">Upload a course list</a>
142: </font>
143: </p><p>
144: <font size="+1">
145: <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
146: </font>
147: </p><p>
148: <font size="+1">
149: <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
150: </font>
151: </p><p>
152: <font size="+1">
153: <a href="/adm/dropadd?action=classlist">View Classlist</a>
154: </font>
155: </p><p>
156: <font size="+1">
157: <a href="/adm/dropadd?action=drop">Drop Students</a>
158: </font>
159: </p>
160: END
161: }
162:
163: ###############################################################
164: ###############################################################
165: sub print_upload_manager_header {
166: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
167: my $javascript;
168: if (! exists($ENV{'form.upfile_associate'})) {
169: $ENV{'form.upfile_associate'} = 'forward';
170: }
171: if ($ENV{'form.associate'} eq 'Reverse Association') {
172: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
173: $ENV{'form.upfile_associate'} = 'reverse';
174: } else {
175: $ENV{'form.upfile_associate'} = 'forward';
176: }
177: }
178: if ($ENV{'form.upfile_associate'} eq 'reverse') {
179: $javascript=&upload_manager_javascript_reverse_associate();
180: } else {
181: $javascript=&upload_manager_javascript_forward_associate();
182: }
183: my $javascript_validations=&javascript_validations($krbdefdom);
184: $r->print(<<ENDPICK);
185: <h3>Uploading Class List</h3>
186: <hr>
187: <h3>Identify fields</h3>
188: Total number of records found in file: $distotal <hr />
189: Enter as many fields as you can. The system will inform you and bring you back
190: to this page if the data selected is insufficient to run your class.<hr />
191: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
192: <input type="hidden" name="action" value="upload" />
193: <input type="hidden" name="state" value="got_file" />
194: <input type="hidden" name="associate" value="" />
195: <input type="hidden" name="datatoken" value="$datatoken" />
196: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
197: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
198: <input type="hidden" name="upfile_associate"
199: value="$ENV{'form.upfile_associate'}" />
200: <hr />
201: <script type="text/javascript" language="Javascript">
202: $javascript
203: $javascript_validations
204: </script>
205: ENDPICK
206: }
207:
208: ###############################################################
209: ###############################################################
210: sub javascript_validations {
211: my ($krbdefdom)=@_;
212: my %param = ( formname => 'studentform',
213: kerb_def_dom => $krbdefdom );
214: my $authheader = &Apache::loncommon::authform_header(%param);
215: return (<<ENDPICK);
216: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
217: var foundatype=0;
218: var message='';
219: if (founduname==0) {
220: alert('You need to specify the username field');
221: return;
222: }
223: if (current.radiovalue == null || current.radiovalue == 'nochange') {
224: // They did not check any of the login radiobuttons.
225: alert('You must choose an authentication type');
226: return;
227: }
228: foundatype=1;
229: if (current.argfield == null || current.argfield == '') {
230: var alertmsg = '';
231: switch (current.value) {
232: case 'krb':
233: alertmsg = 'You need to specify the Kerberos domain';
234: break;
235: case 'loc':
236: case 'fsys':
237: alertmsg = 'You need to specify the initial password';
238: break;
239: case 'fsys':
240: alertmsg = '';
241: break;
242: default:
243: alertmsg = '';
244: }
245: if (alertmsg != '') {
246: alert(alertmsg);
247: return;
248: }
249: }
250:
251: if (foundname==0) { message='No name fields specified. '; }
252: if (foundid==0) { message+='No ID or student number field specified. '; }
253: if (foundsec==0) { message+='No section or group field specified. '; }
254: if (vf.startdate.value=='') {
255: message+='No starting date set. ';
256: }
257: if (vf.enddate.value=='') {
258: message+='No ending date set. ';
259: }
260: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
261: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
262: alert('Ending date is before starting date');
263: return;
264: }
265: }
266: if (message!='') {
267: message+='Continue enrollment?';
268: if (confirm(message)) {
269: pclose();
270: vf.state.value='enrolling';
271: vf.submit();
272: }
273: } else {
274: pclose();
275: vf.state.value='enrolling';
276: vf.submit();
277: }
278: }
279:
280:
281: function pclose() {
282: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
283: "height=350,width=350,scrollbars=no,menubar=no");
284: parmwin.close();
285: }
286:
287: function pjump(type,dis,value,marker,ret,call) {
288: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
289: +"&value="+escape(value)+"&marker="+escape(marker)
290: +"&return="+escape(ret)
291: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
292: "height=350,width=350,scrollbars=no,menubar=no");
293:
294: }
295:
296: function dateset() {
297: if (document.studentform.pres_marker.value=='end') {
298: document.studentform.enddate.value=
299: document.studentform.pres_value.value;
300: }
301: if (document.studentform.pres_marker.value=='start') {
302: document.studentform.startdate.value=
303: document.studentform.pres_value.value;
304: }
305: pclose();
306: }
307:
308: $authheader
309: ENDPICK
310:
311: }
312:
313: ###############################################################
314: ###############################################################
315: sub upload_manager_javascript_forward_associate {
316: return(<<ENDPICK);
317: function verify(vf) {
318: var founduname=0;
319: var foundpwd=0;
320: var foundname=0;
321: var foundid=0;
322: var foundsec=0;
323: var tw;
324: for (i=0;i<=vf.nfields.value;i++) {
325: tw=eval('vf.f'+i+'.selectedIndex');
326: if (tw==1) { founduname=1; }
327: if ((tw>=2) && (tw<=6)) { foundname=1; }
328: if (tw==7) { foundid=1; }
329: if (tw==8) { foundsec=1; }
330: if (tw==9) { foundpwd=1; }
331: }
332: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
333: }
334:
335: //
336: // vf = this.form
337: // tf = column number
338: //
339: // values of nw
340: //
341: // 0 = none
342: // 1 = username
343: // 2 = names (lastname, firstnames)
344: // 3 = fname (firstname)
345: // 4 = mname (middlename)
346: // 5 = lname (lastname)
347: // 6 = gen (generation)
348: // 7 = id
349: // 8 = section
350: // 9 = ipwd (password)
351: //
352: function flip(vf,tf) {
353: var nw=eval('vf.f'+tf+'.selectedIndex');
354: var i;
355: // make sure no other columns are labeled the same as this one
356: for (i=0;i<=vf.nfields.value;i++) {
357: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
358: eval('vf.f'+i+'.selectedIndex=0;')
359: }
360: }
361: // If we set this to 'lastname, firstnames', clear out all the ones
362: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
363: if (nw==2) {
364: for (i=0;i<=vf.nfields.value;i++) {
365: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
366: (eval('vf.f'+i+'.selectedIndex')<=6)) {
367: eval('vf.f'+i+'.selectedIndex=0;')
368: }
369: }
370: }
371: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
372: // clear out any that are set to 'lastname, firstnames' (2)
373: if ((nw>=3) && (nw<=6)) {
374: for (i=0;i<=vf.nfields.value;i++) {
375: if (eval('vf.f'+i+'.selectedIndex')==2) {
376: eval('vf.f'+i+'.selectedIndex=0;')
377: }
378: }
379: }
380: // If we set the password, make the password form below correspond to
381: // the new value.
382: if (nw==9) {
383: changed_radio('int',document.studentform);
384: set_auth_radio_buttons('int',document.studentform);
385: vf.intarg.value='';
386: vf.krbarg.value='';
387: vf.locarg.value='';
388: }
389: }
390:
391: function clearpwd(vf) {
392: var i;
393: for (i=0;i<=vf.nfields.value;i++) {
394: if (eval('vf.f'+i+'.selectedIndex')==9) {
395: eval('vf.f'+i+'.selectedIndex=0;')
396: }
397: }
398: }
399:
400: ENDPICK
401: }
402:
403: ###############################################################
404: ###############################################################
405: sub upload_manager_javascript_reverse_associate {
406: return(<<ENDPICK);
407: function verify(vf) {
408: var founduname=0;
409: var foundpwd=0;
410: var foundname=0;
411: var foundid=0;
412: var foundsec=0;
413: var tw;
414: for (i=0;i<=vf.nfields.value;i++) {
415: tw=eval('vf.f'+i+'.selectedIndex');
416: if (i==0 && tw!=0) { founduname=1; }
417: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
418: if (i==6 && tw!=0) { foundid=1; }
419: if (i==7 && tw!=0) { foundsec=1; }
420: if (i==8 && tw!=0) { foundpwd=1; }
421: }
422: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
423: }
424:
425: function flip(vf,tf) {
426: var nw=eval('vf.f'+tf+'.selectedIndex');
427: var i;
428: // picked the all one one name field, reset the other name ones to blank
429: if (tf==1 && nw!=0) {
430: for (i=2;i<=5;i++) {
431: eval('vf.f'+i+'.selectedIndex=0;')
432: }
433: }
434: //picked one of the piecewise name fields, reset the all in
435: //one field to blank
436: if ((tf>=2) && (tf<=5) && (nw!=0)) {
437: eval('vf.f1.selectedIndex=0;')
438: }
439: // intial password specified, pick internal authentication
440: if (tf==8 && nw!=0) {
441: changed_radio('int',document.studentform);
442: set_auth_radio_buttons('int',document.studentform);
443: vf.krbarg.value='';
444: vf.intarg.value='';
445: vf.locarg.value='';
446: }
447: }
448:
449: function clearpwd(vf) {
450: var i;
451: if (eval('vf.f8.selectedIndex')!=0) {
452: eval('vf.f8.selectedIndex=0;')
453: }
454: }
455: ENDPICK
456: }
457:
458: ###############################################################
459: ###############################################################
460: sub print_upload_manager_footer {
461: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
462: my %param = ( formname => 'document.studentform');
463: my $krbform = &Apache::loncommon::authform_kerberos(%param);
464: my $intform = &Apache::loncommon::authform_internal(%param);
465: my $locform = &Apache::loncommon::authform_local(%param);
466: my $domform = &domain_form($defdom);
467: $r->print(<<ENDPICK);
468: </table>
469: <input type=hidden name=nfields value=$i>
470: <input type=hidden name=keyfields value="$keyfields">
471: <h3>Login Type</h3>
472: <p>Note: this will not take effect if the user already exists</p>
473: <p>
474: $krbform
475: </p>
476: <p>
477: $intform
478: </p>
479: <p>
480: $locform
481: </p>
482: <h3>LON-CAPA Domain for Students</h3>
483: LON-CAPA domain: $domform <p>
484: <h3>Starting and Ending Dates</h3>
485: <input type="hidden" value='' name="pres_value" >
486: <input type="hidden" value='' name="pres_type" >
487: <input type="hidden" value='' name="pres_marker" >
488: <input type="hidden" value='$today' name="startdate" >
489: <input type="hidden" value='$halfyear' name="enddate" >
490: <a
491: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
492: >Set Starting Date</a><p>
493:
494: <a
495: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
496: >Set Ending Date</a><p>
497: <h3>Full Update</h3>
498: <input type=checkbox name=fullup value=yes> Full update
499: (also print list of users not enrolled anymore)<p>
500: <h3>ID/Student Number</h3>
501: <input type=checkbox name=forceid value=yes>
502: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
503: (only do if you know what you are doing)<p>
504: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
505: Note: for large courses, this operation may be time consuming.
506: ENDPICK
507: }
508:
509: # ======================================================= Menu Phase Two Upload
510: sub print_upload_manager_form {
511: my $r=shift;
512:
513: my $datatoken;
514: if (!$ENV{'form.datatoken'}) {
515: $datatoken=&Apache::loncommon::upfile_store($r);
516: } else {
517: $datatoken=$ENV{'form.datatoken'};
518: &Apache::loncommon::load_tmp_file($r);
519: }
520: my @records=&Apache::loncommon::upfile_record_sep();
521: my $total=$#records;
522: my $distotal=$total+1;
523: $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
524: my $krbdefdom=$1;
525: $krbdefdom=~tr/a-z/A-Z/;
526: my $today=time;
527: my $halfyear=$today+15552000;
528: my $defdom=$r->dir_config('lonDefDomain');
529: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
530: my $i;
531: my $keyfields;
532: if ($total>=0) {
533: my @d=(['username','Username'],
534: ['names','Last Name, First Names'],
535: ['fname','First Name'],
536: ['mname','Middle Names/Initials'],
537: ['lname','Last Name'],
538: ['gen','Generation'],
539: ['id','ID/Student Number'],
540: ['sec','Group/Section'],
541: ['ipwd','Initial Password']);
542: if ($ENV{'form.upfile_associate'} eq 'reverse') {
543: &Apache::loncommon::csv_print_samples($r,\@records);
544: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
545: foreach (@d) { $keyfields.=$_->[0].','; }
546: chop($keyfields);
547: } else {
548: unshift(@d,['none','']);
549: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
550: my %sone=&Apache::loncommon::record_sep($records[0]);
551: $keyfields=join(',',sort(keys(%sone)));
552: }
553: }
554: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
555: }
556:
557: # ======================================================= Enroll single student
558: sub enroll_single_student {
559: my $r=shift;
560: $r->print('<h3>Enrolling Student</h3>');
561: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
562: $ENV{'form.lcdomain'}.'</p>');
563: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
564: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
565: # Deal with home server selection
566: my $domain=$ENV{'form.lcdomain'};
567: my $desiredhost = $ENV{'form.lcserver'};
568: if (lc($desiredhost) eq 'default') {
569: $desiredhost = undef;
570: } else {
571: my %home_servers =&Apache::loncommon::get_library_servers($domain);
572: if (! exists($home_servers{$desiredhost})) {
573: $r->print('<font color="#ff0000">Error:</font>'.
574: 'Invalid home server specified');
575: return;
576: }
577: }
578: $r->print(" with server $desiredhost :") if (defined($desiredhost));
579: # End of home server selection logic
580: my $amode='';
581: my $genpwd='';
582: if ($ENV{'form.login'} eq 'krb') {
583: $amode='krb';
584: $amode.=$ENV{'form.krbver'};
585: $genpwd=$ENV{'form.krbarg'};
586: } elsif ($ENV{'form.login'} eq 'int') {
587: $amode='internal';
588: $genpwd=$ENV{'form.intarg'};
589: } elsif ($ENV{'form.login'} eq 'loc') {
590: $amode='localauth';
591: $genpwd=$ENV{'form.locarg'};
592: if (!$genpwd) { $genpwd=" "; }
593: }
594: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
595: $ENV{'form.lcdomain'});
596: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
597: # Clean out any old roles the student has in this class.
598: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
599: $ENV{'request.course.id'},$ENV{'form.csec'},
600: $desiredhost);
601: my $login_result = &Apache::lonnet::modifystudent
602: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
603: $ENV{'form.cstid'},$amode,$genpwd,
604: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
605: $ENV{'form.clast'},$ENV{'form.cgen'},
606: $ENV{'form.csec'},$ENV{'form.enddate'},
607: $ENV{'form.startdate'},$ENV{'form.forceid'},
608: $desiredhost);
609: if ($login_result =~ /^ok/) {
610: $r->print($login_result);
611: $r->print("<p> If active, the new role will be available ".
612: "when the student next logs in to LON-CAPA.</p>");
613: } else {
614: $r->print("unable to enroll: ".$login_result);
615: }
616: } else {
617: $r->print('<p><font color="#ff0000">ERROR</font> '.
618: 'Invalid login mode or password. '.
619: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
620: }
621: } else {
622: $r->print('Invalid username or domain');
623: }
624: }
625:
626: # ======================================================= Menu Phase Two Enroll
627: sub print_enroll_single_student_form {
628: my $r=shift;
629: $r->print("<h3>Enroll One Student</h3>");
630: my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
631: $krbdefdom=~tr/a-z/A-Z/;
632: my $today = time;
633: my $halfyear = $today+15552000;
634: my $defdom=$r->dir_config('lonDefDomain');
635: my $javascript_validations=&javascript_validations($krbdefdom);
636: # Set up authentication forms
637: my %param = ( formname => 'document.studentform');
638: my $krbform = &Apache::loncommon::authform_kerberos(%param);
639: my $intform = &Apache::loncommon::authform_internal(%param);
640: my $locform = &Apache::loncommon::authform_local(%param);
641: # Set up domain selection form
642: my $domform = &domain_form($defdom);
643: # Print it all out
644: $r->print(<<END);
645: <input type="hidden" name="action" value="enrollstudent">
646: <input type="hidden" name="state" value="done">
647:
648: <script type="text/javascript" language="Javascript">
649: function verify(vf) {
650: var founduname=0;
651: var foundpwd=0;
652: var foundname=0;
653: var foundid=0;
654: var foundsec=0;
655: var tw;
656: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
657: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
658: founduname=1;
659: }
660: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
661: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
662: foundname=1;
663: }
664: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
665: foundsec=1;
666: }
667: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
668: foundid=1;
669: }
670: if (founduname==0) {
671: alert('You need to specify at least the username and domain fields');
672: return;
673: }
674: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
675: }
676:
677: $javascript_validations
678:
679: function clearpwd(vf) {
680: //nothing else needs clearing
681: }
682:
683: </script>
684: <h3>Personal Data</h3>
685: <table>
686: <tr><td>First Name:</td><td> <input type="text" name="cfirst" size="15"></td></tr>
687: <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
688: <tr><td>Last Name: </td><td><input type="text" name="clast" size="15"></td></tr>
689: <tr><td>Generation: </td><td><input type="text" name="cgen" size="5"> </td></tr>
690: </table>
691:
692: <h3>Login Data</h3>
693: <p>Username: <input type="text" name="cuname" size="15"></p>
694: <p>Domain: $domform</p>
695: <p>Note: login settings below will not take effect if the user already exists
696: </p><p>
697: $krbform
698: </p><p>
699: $intform
700: </p><p>
701: $locform
702: </p><p>
703:
704: <h3>Course Data</h3>
705:
706: <p>Group/Section: <input type="text" name="csec" size="5" />
707: <p>
708: <!-- Date setting form elements -->
709: <input type="hidden" name="pres_value" value='' />
710: <input type="hidden" name="pres_type" value='' />
711: <input type="hidden" name="pres_marker" value='' />
712: <input type="hidden" name="startdate" value='$today' />
713: <input type="hidden" name="enddate" value='$halfyear' />
714: </p><p>
715: <a
716: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
717: >Set Starting Date</a>
718: </p><p>
719: <a
720: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
721: >Set Ending Date</a>
722: </p>
723: <h3>ID/Student Number</h3>
724: <p>
725: ID/Student Number: <input type="text" name="cstid" size="10">
726: </p><p>
727: <input type="checkbox" name="forceid" value="yes">
728: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
729: (only do if you know what you are doing)
730: </p><p>
731: <input type="button" onClick="verify(this.form)" value="Enroll as student">
732: </p>
733: END
734: return;
735: }
736:
737: # ========================================================= Menu Phase Two Drop
738: sub print_drop_menu {
739: my $r=shift;
740: $r->print("<h3>Drop Students</h3>");
741: my $cid=$ENV{'request.course.id'};
742: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
743: if (! defined($classlist)) {
744: $r->print("There are no students currently enrolled.\n");
745: return;
746: }
747: # Print out the available choices
748: &show_drop_list($r,$classlist,$keylist);
749: return;
750: }
751:
752: # ============================================== view classlist
753: sub print_html_classlist {
754: my $r=shift;
755: if (! exists($ENV{'form.sortby'})) {
756: $ENV{'form.sortby'} = 'username';
757: }
758: if (! exists($ENV{'form.Status'}) ||
759: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
760: $ENV{'form.Status'} = 'Active';
761: }
762: my $status_select = &Apache::lonhtmlcommon::StatusOptions
763: ($ENV{'form.Status'},'studentform');
764: $r->print(<<END);
765: <input type="hidden" name="action" value="classlist" />
766: <input type="hidden" name="state" value="" />
767: <p>
768: <font size="+1">Current Classlist</font>
769:
770: <font size="+1">
771: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
772: </font>
773:
774: $status_select
775: </p>
776: END
777: my $cid=$ENV{'request.course.id'};
778: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
779: if (! defined($classlist)) {
780: $r->print("There are no students currently enrolled.\n");
781: } else {
782: # Print out the available choices
783: if ($ENV{'form.action'} eq 'modifystudent') {
784: &show_class_list($r,'view','modify','modifystudent',
785: $ENV{'form.Status'},$classlist,$keylist);
786: } else {
787: &show_class_list($r,'view','aboutme','classlist',
788: $ENV{'form.Status'},$classlist,$keylist);
789: }
790: }
791: }
792:
793: # ============================================== view classlist
794: sub print_csv_classlist {
795: my $r=shift;
796: my $cid=$ENV{'request.course.id'};
797: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
798: if (! defined($classlist)) {
799: $r->print("There are no students currently enrolled.\n");
800: } else {
801: &show_class_list($r,'csv','nolink','csv',
802: $ENV{'form.Status'},$classlist,$keylist);
803: }
804: }
805:
806: # =================================================== Show student list to drop
807: sub show_class_list {
808: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
809: my $cid=$ENV{'request.course.id'};
810: # &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
811: # ['sortby']);
812: my $sortby = $ENV{'form.sortby'};
813: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
814: $sortby = 'username';
815: }
816: # Print out header
817: if ($mode eq 'view') {
818: if ($linkto eq 'aboutme') {
819: $r->print('Select a user name to view the users personal page.');
820: } elsif ($linkto eq 'modify') {
821: $r->print('Select a user name to modify the students information');
822: }
823: $r->print(<<END);
824: <input type="hidden" name="sortby" value="$sortby" />
825: <p>
826: <table border=2>
827: <tr><th>
828: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
829: </th><th>
830: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
831: </th><th>
832: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
833: </th><th>
834: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
835: </th><th>
836: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
837: </th>
838: </tr>
839: END
840: } elsif ($mode eq 'csv') {
841: $r->print('"'.join('","',("username","domain","ID","student name",
842: "section")).'"'."\n");
843: }
844: #
845: # Sort the students
846: my %index;
847: my $i;
848: foreach (@$keylist) {
849: $index{$_} = $i++;
850: }
851: my $index = $index{$sortby};
852: my $second = $index{'username'};
853: my $third = $index{'domain'};
854: my @Sorted_Students = sort {
855: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
856: ||
857: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
858: ||
859: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
860: } (keys(%$classlist));
861: foreach my $student (@Sorted_Students) {
862: my $username = $classlist->{$student}->[$index{'username'}];
863: my $domain = $classlist->{$student}->[$index{'domain'}];
864: my $section = $classlist->{$student}->[$index{'section'}];
865: my $name = $classlist->{$student}->[$index{'fullname'}];
866: my $id = $classlist->{$student}->[$index{'id'}];
867: my $status = $classlist->{$student}->[$index{'status'}];
868: next if (($statusmode ne 'Any') && ($status ne $statusmode));
869: if ($mode eq 'view') {
870: $r->print("<tr>\n <td>\n ");
871: if ($linkto eq 'nothing') {
872: $r->print($username);
873: } elsif ($linkto eq 'aboutme') {
874: $r->print(&Apache::loncommon::aboutmewrapper($username,
875: $username,
876: $domain));
877: } elsif ($linkto eq 'modify') {
878: $r->print('<a href="/adm/dropadd?action=modifystudent'.
879: '&state=selected'.'&sname='.$username.
880: '&sdom='.$domain.'&sortby='.$sortby.'">'.
881: $username."</a>\n");
882: }
883: $r->print(<<"END");
884: </td>
885: <td>$domain</td>
886: <td>$id</td>
887: <td>$name</td>
888: <td>$section</td>
889: </tr>
890: END
891: } elsif ($mode eq 'csv') {
892: # no need to bother with $linkto
893: my @line = ();
894: foreach ($username,$domain,$id,$name,$section) {
895: push @line,&Apache::loncommon::csv_translate($_);
896: }
897: my $tmp = $";
898: $" = '","';
899: $r->print("\"@line\"\n");
900: $" = $tmp;
901: }
902: }
903: $r->print('</table><br>') if ($mode eq 'view');
904: }
905:
906:
907: #
908: # print out form for modification of a single students data
909: #
910: sub print_modify_student_form {
911: my $r = shift();
912: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
913: ['sdom','sname','sortby']);
914: my $sname = $ENV{'form.sname'};
915: my $sdom = $ENV{'form.sdom'};
916: my $sortby = $ENV{'form.sortby'};
917: # determine the students name information
918: my %info=&Apache::lonnet::get('environment',
919: ['firstname','middlename',
920: 'lastname','generation','id'],
921: $sdom, $sname);
922: my ($tmp) = keys(%info);
923: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
924: $r->print('<font color="#ff0000" size="+2">Error</font>'.
925: '<p>'.
926: 'Unable to retrieve environment data for '.$sname.
927: 'in domain '.$sdom.'</p><p>'.
928: 'Please contact your LON-CAPA administrator '.
929: 'regarding this situation.</p></body></html>');
930: return;
931: }
932: # determine the students starting and ending times and section
933: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
934: # Deal with date forms
935: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
936: 'startdate',
937: $starttime);
938: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
939: 'enddate',
940: $endtime);
941: # Make sure student is enrolled in course
942: $r->print(<<END);
943: <p>
944: <font size="+1">
945: Only domain coordinators can change a users password.
946: </font>
947: </p>
948: <input type="hidden" name="slogin" value="$sname" />
949: <input type="hidden" name="sdomain" value="$sdom" />
950: <input type="hidden" name="action" value="modifystudent" />
951: <input type="hidden" name="state" value="done" />
952: <input type="hidden" name="sortby" value="$sortby" />
953: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'}
954: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
955: <p>
956: <b>Student Name</b>
957: <table>
958: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
959: <tr><td>
960: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
961: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
962: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
963: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
964: </table>
965: </p><p>
966: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
967: </p><p>
968: <input type="checkbox" name="forceid" >
969: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
970: (only do if you know what you are doing)
971: </p><p>
972: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
973: </p><p>
974: <table>
975: <tr><td align="right"><b>Starting Date:</b></td><td>$startdateform</td></tr>
976: <tr><td align="right"><b>Ending Date:</b></td><td>$enddateform</td></tr>
977: </table>
978: </p>
979: <input type="submit" value="Submit Modifications" />
980: </body></html>
981: END
982: return;
983: }
984:
985: #
986: # modify a single students section
987: #
988: sub modify_single_student {
989: my $r = shift;
990: # Get the 'sortby' variable so the user does not need to re-sort
991: my $sortby = $ENV{'form.sortby'};
992: #
993: # We always need this information
994: my $slogin = $ENV{'form.slogin'};
995: my $sdom = $ENV{'form.sdomain'};
996: #
997: # Get the old data
998: my %old=&Apache::lonnet::get('environment',
999: ['firstname','middlename',
1000: 'lastname','generation','id'],
1001: $sdom, $slogin);
1002: my ($tmp) = keys(%old);
1003: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1004: $r->print("There was an error determining the environment values ".
1005: " for $slogin \@ $sdom.");
1006: return;
1007: }
1008: undef $tmp;
1009: #
1010: # Get the new data
1011: my $firstname = $ENV{'form.firstname'};
1012: my $middlename = $ENV{'form.middlename'};
1013: my $lastname = $ENV{'form.lastname'};
1014: my $generation = $ENV{'form.generation'};
1015: my $section = $ENV{'form.section'};
1016: my $courseid = $ENV{'request.course.id'};
1017: my $sid = $ENV{'form.id'};
1018: my $starttime = &Apache::lonhtmlcommon::get_date_from_form('startdate',
1019: time);
1020: my $endtime = &Apache::lonhtmlcommon::get_date_from_form('enddate',
1021: time);
1022: my $displayable_starttime = localtime($starttime);
1023: my $displayable_endtime = localtime($endtime);
1024: #
1025: # check for forceid override
1026: if (($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1027: $r->print("<font color=\"ff0000\">You changed the students id ".
1028: " but did not disable the ID change safeguard.".
1029: " The students id will not be changed.</font>");
1030: $sid = $old{'id'};
1031: }
1032: #
1033: # talk to the user about what we are going to do
1034: $r->print(<<END);
1035: <h2>Modifying data for user $slogin \@ $sdom </h2>
1036: <h3>Student Information</h3>
1037: <table rules="rows" border="1" cellpadding="3" >
1038: <tr>
1039: <th> Field </th>
1040: <th> Old Value </th>
1041: <th> New Value </th>
1042: </tr>
1043: <tr>
1044: <td> <b>First name</b> </td>
1045: <td> $old{'firstname'} </td>
1046: <td> $firstname </td>
1047: </tr><tr>
1048: <td> <b>Middle name</b> </td>
1049: <td> $old{'middlename'} </td>
1050: <td> $middlename </td>
1051: </tr><tr>
1052: <td> <b>Last name</b> </td>
1053: <td> $old{'lastname'} </td>
1054: <td> $lastname </td>
1055: </tr><tr>
1056: <td> <b>Generation</b> </td>
1057: <td> $old{'generation'} </td>
1058: <td> $generation </td>
1059: </tr><tr>
1060: <td> <b>ID</b> </td>
1061: <td> $old{'id'} </td>
1062: <td> $sid </td>
1063: </tr>
1064: </table>
1065: <h3>Role Information</h3>
1066: <table>
1067: <tr><td>Section </td><td> $section </td></tr>
1068: <tr><td>Start Time </td><td> $displayable_starttime </td></tr>
1069: <tr><td>End Time </td><td> $displayable_endtime </td></tr>
1070: </table>
1071: <p>
1072: END
1073: #
1074: # Send request(s) to modify data
1075: my $roleresults = &Apache::lonnet::modifystudent
1076: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1077: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1078: if ($roleresults eq 'refused' ) {
1079: $r->print("Your request to change the role information for this ".
1080: "student was refused. You do not appear to have ".
1081: "sufficient authority to change student information.");
1082: } elsif ($roleresults !~ /ok/) {
1083: $r->print("An error occurred during the attempt to change the role".
1084: " information for this student. <br />".
1085: "The error reported was ".
1086: $roleresults);
1087: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1088: " data for ".$slogin." \@ ".$sdom." by ".
1089: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1090: ":".$roleresults);
1091: } else { # everything is okay!
1092: $r->print("Student information updated successfully. <br />".
1093: "The student must log out and log in again to see ".
1094: "these changes.");
1095: }
1096: $r->print(<<END);
1097: </p><p>
1098: <a href="/adm/dropadd?action=modifystudent&sortby=$sortby">Modify another students data</a>
1099: </body></html>
1100: END
1101: return;
1102: }
1103:
1104: sub get_enrollment_data {
1105: my ($sname,$sdomain) = @_;
1106: my $courseid = $ENV{'request.course.id'};
1107: $courseid =~ s:_:/:g;
1108: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1109: my ($tmp) = keys(%roles);
1110: # Bail out if we were unable to get the students roles
1111: return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1112: # Go through the roles looking for enrollment in this course
1113: my ($end,$start) = (undef,undef);
1114: my $section = '';
1115: my $count = scalar(keys(%roles));
1116: while (my ($course,$role) = each(%roles)) {
1117: &Apache::lonnet::logthis('course = '.$course.' role = '.$role);
1118: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1119: #
1120: # Get active role
1121: $section=$1;
1122: (undef,$end,$start)=split(/\_/,$role);
1123: my $now=time;
1124: my $notactive=0;
1125: if ($start) {
1126: if ($now<$start) { $notactive=1; }
1127: }
1128: if ($end) {
1129: if ($now>$end) { $notactive=1; }
1130: }
1131: unless ($notactive) { return ($start,$end,$section); }
1132: }
1133: }
1134: return ($start,$end,$section);
1135: }
1136:
1137: #################################################
1138: #################################################
1139:
1140: =pod
1141:
1142: =item show_drop_list
1143:
1144: Display a list of students to drop
1145: Inputs:
1146:
1147: =over 4
1148:
1149: =item $r, Apache request
1150:
1151: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1152:
1153: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1154: which describes the order elements are stored in the %$classlist values.
1155:
1156: =item $nosort, if true, sorting links are omitted.
1157:
1158: =back
1159:
1160: =cut
1161:
1162: #################################################
1163: #################################################
1164: sub show_drop_list {
1165: my ($r,$classlist,$keylist,$nosort)=@_;
1166: my $cid=$ENV{'request.course.id'};
1167: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1168: ['sortby']);
1169: my $sortby = $ENV{'form.sortby'};
1170: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1171: $sortby = 'username';
1172: }
1173: #
1174: my $action = "drop";
1175: $r->print(<<END);
1176: <input type="hidden" name="sortby" value="$sortby" />
1177: <input type="hidden" name="action" value="$action" />
1178: <input type="hidden" name="state" value="done" />
1179: <script>
1180: function checkAll(field) {
1181: for (i = 0; i < field.length; i++)
1182: field[i].checked = true ;
1183: }
1184:
1185: function uncheckAll(field) {
1186: for (i = 0; i < field.length; i++)
1187: field[i].checked = false ;
1188: }
1189: </script>
1190: <p>
1191: <input type="hidden" name="phase" value="four">
1192: END
1193:
1194: if ($nosort) {
1195: $r->print(<<END);
1196: <table border=2>
1197: <tr>
1198: <th> </th>
1199: <th>username</th>
1200: <th>domain</th>
1201: <th>ID</th>
1202: <th>student name</th>
1203: <th>section</th>
1204: </tr>
1205: END
1206:
1207: } else {
1208: $r->print(<<END);
1209: <table border=2>
1210: <tr><th> </th>
1211: <th>
1212: <a href="/adm/dropadd?action=$action&sortby=username">username</a>
1213: </th><th>
1214: <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
1215: </th><th>
1216: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1217: </th><th>
1218: <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
1219: </th><th>
1220: <a href="/adm/dropadd?action=$action&sortby=section">section</a>
1221: </th>
1222: </tr>
1223: END
1224: }
1225: #
1226: # Sort the students
1227: my %index;
1228: my $i;
1229: foreach (@$keylist) {
1230: $index{$_} = $i++;
1231: }
1232: my $index = $index{$sortby};
1233: my $second = $index{'username'};
1234: my $third = $index{'domain'};
1235: my @Sorted_Students = sort {
1236: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1237: ||
1238: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1239: ||
1240: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1241: } (keys(%$classlist));
1242: foreach my $student (@Sorted_Students) {
1243: my $error;
1244: my $username = $classlist->{$student}->[$index{'username'}];
1245: my $domain = $classlist->{$student}->[$index{'domain'}];
1246: my $section = $classlist->{$student}->[$index{'section'}];
1247: my $name = $classlist->{$student}->[$index{'fullname'}];
1248: my $id = $classlist->{$student}->[$index{'id'}];
1249: my $status = $classlist->{$student}->[$index{'status'}];
1250: next if ($status ne 'Active');
1251: #
1252: $r->print(<<"END");
1253: <tr>
1254: <td><input type="checkbox" name="droplist" value="$student"></td>
1255: <td>$username</td>
1256: <td>$domain</td>
1257: <td>$id</td>
1258: <td>$name</td>
1259: <td>$section</td>
1260: </tr>
1261: END
1262: }
1263: $r->print('</table><br>');
1264: $r->print(<<"END");
1265: </p><p>
1266: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
1267: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
1268: <p><input type=submit value="Drop Students"></p>
1269: END
1270: return;
1271: }
1272:
1273: #
1274: # Print out the initial form to get the courselist file
1275: #
1276: sub print_first_courselist_upload_form {
1277: my $r=shift;
1278: my $upfile_select=&Apache::loncommon::upfile_select_html();
1279: my $create_classlist_help =
1280: &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1281: "How do I create a class list from a spreadsheet");
1282: my $create_csv_help =
1283: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1284: "How do I create a CSV file from a spreadsheet");
1285: $r->print(<<ENDUPFORM);
1286: <input type=hidden name=phase value=two>
1287: <h3>Upload a courselist</h3>
1288: $upfile_select
1289: <p>
1290: <input type=submit name="fileupload" value="Upload Courselist">
1291: <input type="hidden" name="action" value="upload" />
1292: <input type="hidden" name="state" value="got_file" />
1293: </p>
1294: $create_classlist_help <br />
1295: $create_csv_help
1296: </body></html>
1297: ENDUPFORM
1298: return;
1299: }
1300:
1301: # ================================================= Drop/Add from uploaded file
1302: sub upfile_drop_add {
1303: my $r=shift;
1304: &Apache::loncommon::load_tmp_file($r);
1305: my @studentdata=&Apache::loncommon::upfile_record_sep();
1306: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1307: my $cid = $ENV{'request.course.id'};
1308: my %fields=();
1309: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1310: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1311: if ($ENV{'form.f'.$i} ne 'none') {
1312: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1313: }
1314: } else {
1315: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1316: }
1317: }
1318: #
1319: my $startdate = $ENV{'form.startdate'};
1320: my $enddate = $ENV{'form.enddate'};
1321: if ($startdate=~/\D/) { $startdate=''; }
1322: if ($enddate=~/\D/) { $enddate=''; }
1323: # Determine domain and desired host (home server)
1324: my $domain=$ENV{'form.lcdomain'};
1325: my $desiredhost = $ENV{'form.lcserver'};
1326: if (lc($desiredhost) eq 'default') {
1327: $desiredhost = undef;
1328: } else {
1329: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1330: if (! exists($home_servers{$desiredhost})) {
1331: $r->print('<font color="#ff0000">Error:</font>'.
1332: 'Invalid home server specified');
1333: return;
1334: }
1335: }
1336: # Determine authentication mechanism
1337: my $amode = '';
1338: my $genpwd = '';
1339: if ($ENV{'form.login'} eq 'krb') {
1340: $amode='krb';
1341: $amode.=$ENV{'form.krbver'};
1342: $genpwd=$ENV{'form.krbarg'};
1343: } elsif ($ENV{'form.login'} eq 'int') {
1344: $amode='internal';
1345: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1346: $genpwd=$ENV{'form.intarg'};
1347: }
1348: } elsif ($ENV{'form.login'} eq 'loc') {
1349: $amode='localauth';
1350: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1351: $genpwd=$ENV{'form.locarg'};
1352: }
1353: }
1354: unless (($domain=~/\W/) || ($amode eq '')) {
1355: #######################################
1356: ## Enroll Students ##
1357: #######################################
1358: $r->print('<h3>Enrolling Students</h3>');
1359: my $count=0;
1360: my $flushc=0;
1361: my %student=();
1362: # Get new classlist
1363: foreach (@studentdata) {
1364: my %entries=&Apache::loncommon::record_sep($_);
1365: # Determine student name
1366: unless (($entries{$fields{'username'}} eq '') ||
1367: (!defined($entries{$fields{'username'}}))) {
1368: my ($fname, $mname, $lname,$gen) = ('','','','');
1369: if (defined($fields{'names'})) {
1370: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1371: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1372: } else {
1373: if (defined($fields{'fname'})) {
1374: $fname=$entries{$fields{'fname'}};
1375: }
1376: if (defined($fields{'mname'})) {
1377: $mname=$entries{$fields{'mname'}};
1378: }
1379: if (defined($fields{'lname'})) {
1380: $lname=$entries{$fields{'lname'}};
1381: }
1382: if (defined($fields{'gen'})) {
1383: $gen=$entries{$fields{'gen'}};
1384: }
1385: }
1386: if ($entries{$fields{'username'}}=~/\W/) {
1387: $r->print('<p><b>Unacceptable username: '.
1388: $entries{$fields{'username'}}.' for user '.
1389: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1390: } else {
1391: # determine section number
1392: my $sec='';
1393: my $username=$entries{$fields{'username'}};
1394: if (defined($fields{'sec'})) {
1395: if (defined($entries{$fields{'sec'}})) {
1396: $sec=$entries{$fields{'sec'}};
1397: }
1398: }
1399: # determine student id number
1400: my $id='';
1401: if (defined($fields{'id'})) {
1402: if (defined($entries{$fields{'id'}})) {
1403: $id=$entries{$fields{'id'}};
1404: }
1405: $id=~tr/A-Z/a-z/;
1406: }
1407: # determine student password
1408: my $password='';
1409: if ($genpwd) {
1410: $password=$genpwd;
1411: } else {
1412: if (defined($fields{'ipwd'})) {
1413: if ($entries{$fields{'ipwd'}}) {
1414: $password=$entries{$fields{'ipwd'}};
1415: }
1416: }
1417: }
1418: # Clean up whitespace
1419: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1420: \$lname,\$gen,\$sec) {
1421: $$_ =~ s/(\s+$|^\s+)//g;
1422: }
1423: if ($password) {
1424: &modifystudent($domain,$username,$cid,$sec,
1425: $desiredhost);
1426: my $reply=&Apache::lonnet::modifystudent
1427: ($domain,$username,$id,$amode,$password,
1428: $fname,$mname,$lname,$gen,$sec,$enddate,
1429: $startdate,$ENV{'form.forceid'},$desiredhost);
1430: if ($reply ne 'ok') {
1431: $r->print('<p><b>'.
1432: 'Error enrolling '.$username.': '.
1433: $reply.'</b></p>');
1434: } else {
1435: $count++; $flushc++;
1436: $student{$username}=1;
1437: $r->print('. ');
1438: if ($flushc>15) {
1439: $r->rflush;
1440: $flushc=0;
1441: }
1442: }
1443: } else {
1444: $r->print("<p><b>No password for $username</b><p>");
1445: }
1446: }
1447: }
1448: } # end of foreach (@studentdata)
1449: $r->print('<p>Processed Students: '.$count.'</p>');
1450: $r->print("<p>If active, the new role will be available when the ".
1451: "students next log in to LON-CAPA.</p>");
1452: #####################################
1453: # Drop students #
1454: #####################################
1455: if ($ENV{'form.fullup'} eq 'yes') {
1456: $r->print('<h3>Dropping Students</h3>');
1457: # Get current classlist
1458: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1459: if (! defined($classlist)) {
1460: $r->print("There are no students currently enrolled.\n");
1461: } else {
1462: # Remove the students we just added from the list of students.
1463: foreach (@studentdata) {
1464: my %entries=&Apache::loncommon::record_sep($_);
1465: unless (($entries{$fields{'username'}} eq '') ||
1466: (!defined($entries{$fields{'username'}}))) {
1467: delete($classlist->{$entries{$fields{'username'}}.
1468: ':'.$domain});
1469: }
1470: }
1471: # Print out list of dropped students.
1472: &show_drop_list($r,$classlist,$keylist,'nosort');
1473: }
1474: }
1475: } # end of unless
1476: }
1477:
1478: # ================================================================== Phase four
1479: sub drop_student_list {
1480: my $r=shift;
1481: my $count=0;
1482: my @droplist;
1483: if (ref($ENV{'form.droplist'})) {
1484: @droplist = @{$ENV{'form.droplist'}};
1485: } else {
1486: @droplist = ($ENV{'form.droplist'});
1487: }
1488: foreach (@droplist) {
1489: my ($uname,$udom)=split(/\:/,$_);
1490: # drop student
1491: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1492: if ($result eq 'ok' || $result eq 'ok:') {
1493: $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
1494: } else {
1495: $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
1496: '<br />');
1497: }
1498: $count++;
1499: }
1500: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1501: $r->print('<p>Re-enrollment will re-activate data.');
1502: }
1503:
1504: ###################################################################
1505: ###################################################################
1506:
1507: =pod
1508:
1509: =item &handler
1510:
1511: The typical handler you see in all these modules. Takes $r, the
1512: http request, as an argument.
1513:
1514: The response to the request is governed by two form variables
1515:
1516: form.action form.state response
1517: ---------------------------------------------------
1518: undefined undefined print main menu
1519: upload undefined print courselist upload menu
1520: upload got_file deal with uploaded file,
1521: print the upload managing menu
1522: upload enrolling enroll students based on upload
1523: drop undefined print the classlist ready to drop
1524: drop done drop the selected students
1525: enrollstudent undefined print single student enroll menu
1526: enrollstudent enrolling enroll student
1527: classlist undefined print html classlist
1528: classlist csv print csv classlist
1529: modifystudent undefined print classlist to select student to modify
1530: modifystudent selected print modify student menu
1531: modifystudent done make modifications to student record
1532:
1533: =cut
1534:
1535: ###################################################################
1536: ###################################################################
1537: sub handler {
1538: my $r=shift;
1539: if ($r->header_only) {
1540: $r->content_type('text/html');
1541: $r->send_http_header;
1542: return OK;
1543: }
1544: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1545: ['action','state']);
1546: # Needs to be in a course
1547: if (! (($ENV{'request.course.fn'}) &&
1548: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1549: # Not in a course, or not allowed to modify parms
1550: $ENV{'user.error.msg'}=
1551: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1552: return HTTP_NOT_ACCEPTABLE;
1553: }
1554: #
1555: # Only output the header information if they did not request csv format
1556: #
1557: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1558: $r->content_type('text/csv');
1559: } else {
1560: # Start page
1561: $r->content_type('text/html');
1562: $r->send_http_header;
1563: $r->print(&header());
1564: }
1565: #
1566: # Main switch on form.action and form.state, as appropriate
1567: if (! exists($ENV{'form.action'})) {
1568: &print_main_menu($r);
1569: } elsif ($ENV{'form.action'} eq 'upload') {
1570: if (! exists($ENV{'form.state'})) {
1571: &print_first_courselist_upload_form($r);
1572: } elsif ($ENV{'form.state'} eq 'got_file') {
1573: &print_upload_manager_form($r);
1574: } elsif ($ENV{'form.state'} eq 'enrolling') {
1575: if ($ENV{'form.datatoken'}) {
1576: &upfile_drop_add($r);
1577: } else {
1578: # Hmmm, this is an error
1579: }
1580: } else {
1581: &print_first_courselist_upload_form($r);
1582: }
1583: } elsif ($ENV{'form.action'} eq 'drop') {
1584: if (! exists($ENV{'form.state'})) {
1585: &print_drop_menu($r);
1586: } elsif ($ENV{'form.state'} eq 'done') {
1587: &drop_student_list($r);
1588: } else {
1589: &print_drop_menu($r);
1590: }
1591: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1592: if (! exists($ENV{'form.state'})) {
1593: &print_enroll_single_student_form($r);
1594: } elsif ($ENV{'form.state'} eq 'enrolling') {
1595: &enroll_single_student($r);
1596: } else {
1597: &print_enroll_single_student_form($r);
1598: }
1599: } elsif ($ENV{'form.action'} eq 'classlist') {
1600: if (! exists($ENV{'form.state'})) {
1601: &print_html_classlist($r);
1602: } elsif ($ENV{'form.state'} eq 'csv') {
1603: &print_csv_classlist($r);
1604: } else {
1605: &print_html_classlist($r);
1606: }
1607: } elsif ($ENV{'form.action'} eq 'modifystudent') {
1608: if (! exists($ENV{'form.state'})) {
1609: &print_html_classlist($r);
1610: } elsif ($ENV{'form.state'} eq 'selected') {
1611: &print_modify_student_form($r);
1612: } elsif ($ENV{'form.state'} eq 'done') {
1613: &modify_single_student($r);
1614: } else {
1615: &print_html_classlist($r);
1616: }
1617: } else {
1618: # We should not end up here, but I guess it is possible
1619: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
1620: "form.action = ".$ENV{'form.action'}.
1621: "Someone should fix this.");
1622: &print_main_menu($r);
1623: }
1624: #
1625: # Finish up
1626: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1627: $r->print("\n");
1628: } else {
1629: $r->print('</form></body></html>');
1630: }
1631: return OK;
1632: }
1633:
1634: ###################################################################
1635: ###################################################################
1636:
1637: 1;
1638: __END__
1639:
1640:
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