1: # The LearningOnline Network with CAPA
2: # Handler to drop and add students in courses
3: #
4: # $Id: londropadd.pm,v 1.66 2003/05/21 16:06:09 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: use Spreadsheet::WriteExcel;
45:
46: ###############################################################
47: ###############################################################
48: sub header {
49: my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
50: return(<<ENDHEAD);
51: <html>
52: <head>
53: <title>LON-CAPA Enrollment Manager</title>
54: </head>
55: $bodytag
56: <form method="post" enctype="multipart/form-data"
57: action="/adm/dropadd" name="studentform">
58: ENDHEAD
59: }
60:
61: ###############################################################
62: ###############################################################
63: # Drop student from all sections of a course, except optional $csec
64: sub modifystudent {
65: my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
66: # if $csec is undefined, drop the student from all the courses matching
67: # this one. If $csec is defined, drop them from all other sections of
68: # this course and add them to section $csec
69: $courseid=~s/\_/\//g;
70: $courseid=~s/^(\w)/\/$1/;
71: my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
72: my ($tmp) = keys(%roles);
73: # Bail out if we were unable to get the students roles
74: return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
75: # Go through the roles looking for enrollment in this course
76: my $result = '';
77: foreach my $course (keys(%roles)) {
78: if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
79: # We are in this course
80: my $section=$1;
81: $section='' if ($course eq $courseid.'_st');
82: if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
83: my (undef,$end,$start)=split(/\_/,$roles{$course});
84: my $now=time;
85: # if this is an active role
86: if (!($start && ($now<$start)) || !($end && ($now>$end))) {
87: my $reply=&Apache::lonnet::modifystudent
88: ($udom,$unam,'','','','','','','',
89: $section,time,undef,undef,$desiredhost);
90: $result .= $reply.':';
91: }
92: }
93: }
94: }
95: if ($result eq '') {
96: $result = 'Unable to find section for this student';
97: } else {
98: $result =~ s/(ok:)+/ok/g;
99: }
100: return $result;
101: }
102:
103: ###############################################################
104: ###############################################################
105: # build a domain and server selection form
106: sub domain_form {
107: my ($defdom) = @_;
108: # Set up domain and server selection forms
109: #
110: # Get the domains
111: my @domains = &Apache::loncommon::get_domains();
112: # build up the menu information to be passed to
113: # &Apache::loncommon::linked_select_forms
114: my %select_menus;
115: foreach my $dom (@domains) {
116: # set up the text for this domain
117: $select_menus{$dom}->{'text'}= $dom;
118: # we want a choice of 'default' as the default in the second menu
119: $select_menus{$dom}->{'default'}= 'default';
120: $select_menus{$dom}->{'select2'}->{'default'} = 'default';
121: # Now build up the other items in the second menu
122: my %servers = &Apache::loncommon::get_library_servers($dom);
123: foreach my $server (keys(%servers)) {
124: $select_menus{$dom}->{'select2'}->{$server}
125: = "$server $servers{$server}";
126: }
127: }
128: my $result = &Apache::loncommon::linked_select_forms
129: ('studentform',' with home server ',$defdom,
130: 'lcdomain','lcserver',\%select_menus);
131: return $result;
132: }
133:
134: ###############################################################
135: ###############################################################
136: # Menu Phase One
137: sub print_main_menu {
138: my $r=shift;
139: $r->print(<<END);
140: <p>
141: <font size="+1">
142: <a href="/adm/dropadd?action=upload">Upload a course list</a>
143: </font>
144: </p><p>
145: <font size="+1">
146: <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
147: </font>
148: </p><p>
149: <font size="+1">
150: <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
151: </font>
152: </p><p>
153: <font size="+1">
154: <a href="/adm/dropadd?action=classlist">View Classlist</a>
155: </font>
156: </p><p>
157: <font size="+1">
158: <a href="/adm/dropadd?action=drop">Drop Students</a>
159: </font>
160: </p>
161: END
162: }
163:
164: ###############################################################
165: ###############################################################
166: sub print_upload_manager_header {
167: my ($r,$datatoken,$distotal,$krbdefdom)=@_;
168: my $javascript;
169: if (! exists($ENV{'form.upfile_associate'})) {
170: $ENV{'form.upfile_associate'} = 'forward';
171: }
172: if ($ENV{'form.associate'} eq 'Reverse Association') {
173: if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
174: $ENV{'form.upfile_associate'} = 'reverse';
175: } else {
176: $ENV{'form.upfile_associate'} = 'forward';
177: }
178: }
179: if ($ENV{'form.upfile_associate'} eq 'reverse') {
180: $javascript=&upload_manager_javascript_reverse_associate();
181: } else {
182: $javascript=&upload_manager_javascript_forward_associate();
183: }
184: my $javascript_validations=&javascript_validations($krbdefdom);
185: $r->print(<<ENDPICK);
186: <h3>Uploading Class List</h3>
187: <hr>
188: <h3>Identify fields</h3>
189: Total number of records found in file: $distotal <hr />
190: Enter as many fields as you can. The system will inform you and bring you back
191: to this page if the data selected is insufficient to run your class.<hr />
192: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
193: <input type="hidden" name="action" value="upload" />
194: <input type="hidden" name="state" value="got_file" />
195: <input type="hidden" name="associate" value="" />
196: <input type="hidden" name="datatoken" value="$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: $javascript_validations
205: </script>
206: ENDPICK
207: }
208:
209: ###############################################################
210: ###############################################################
211: sub javascript_validations {
212: my ($krbdefdom)=@_;
213: my %param = ( formname => 'studentform',
214: kerb_def_dom => $krbdefdom );
215: my $authheader = &Apache::loncommon::authform_header(%param);
216: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
217: return (<<ENDPICK);
218: function verify_message (vf,founduname,foundpwd,foundname,foundid,foundsec) {
219: var foundatype=0;
220: var message='';
221: if (founduname==0) {
222: alert('You need to specify the username field');
223: return;
224: }
225: // alert('current.radiovalue = '+current.radiovalue);
226: if (current.radiovalue == null || current.radiovalue == 'nochange') {
227: // They did not check any of the login radiobuttons.
228: alert('You must choose an authentication type');
229: return;
230: }
231: foundatype=1;
232: if (current.argfield == null || current.argfield == '') {
233: var alertmsg = '';
234: switch (current.value) {
235: case 'krb':
236: alertmsg = 'You need to specify the Kerberos domain';
237: break;
238: case 'loc':
239: case 'fsys':
240: alertmsg = 'You need to specify the initial password';
241: break;
242: case 'fsys':
243: alertmsg = '';
244: break;
245: default:
246: alertmsg = '';
247: }
248: if (alertmsg != '') {
249: alert(alertmsg);
250: return;
251: }
252: }
253:
254: if (foundname==0) { message='No name fields specified. '; }
255: if (foundid==0) { message+='No ID or student number field specified. '; }
256: if (foundsec==0) { message+='No section or group field specified. '; }
257: if (vf.startdate.value=='') {
258: message+='No starting date set. ';
259: }
260: if (vf.enddate.value=='') {
261: message+='No ending date set. ';
262: }
263: if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
264: if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
265: alert('Ending date is before starting date');
266: return;
267: }
268: }
269: if (message!='') {
270: message+='Continue enrollment?';
271: if (confirm(message)) {
272: pclose();
273: vf.state.value='enrolling';
274: vf.submit();
275: }
276: } else {
277: pclose();
278: vf.state.value='enrolling';
279: vf.submit();
280: }
281: }
282:
283:
284: function pclose() {
285: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
286: "height=350,width=350,scrollbars=no,menubar=no");
287: parmwin.close();
288: }
289:
290: $pjump_def
291:
292: function dateset() {
293: if (document.studentform.pres_marker.value=='end') {
294: document.studentform.enddate.value=
295: document.studentform.pres_value.value;
296: }
297: if (document.studentform.pres_marker.value=='start') {
298: document.studentform.startdate.value=
299: document.studentform.pres_value.value;
300: }
301: pclose();
302: }
303:
304: $authheader
305: ENDPICK
306:
307: }
308:
309: ###############################################################
310: ###############################################################
311: sub upload_manager_javascript_forward_associate {
312: return(<<ENDPICK);
313: function verify(vf) {
314: var founduname=0;
315: var foundpwd=0;
316: var foundname=0;
317: var foundid=0;
318: var foundsec=0;
319: var tw;
320: for (i=0;i<=vf.nfields.value;i++) {
321: tw=eval('vf.f'+i+'.selectedIndex');
322: if (tw==1) { founduname=1; }
323: if ((tw>=2) && (tw<=6)) { foundname=1; }
324: if (tw==7) { foundid=1; }
325: if (tw==8) { foundsec=1; }
326: if (tw==9) { foundpwd=1; }
327: }
328: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
329: }
330:
331: //
332: // vf = this.form
333: // tf = column number
334: //
335: // values of nw
336: //
337: // 0 = none
338: // 1 = username
339: // 2 = names (lastname, firstnames)
340: // 3 = fname (firstname)
341: // 4 = mname (middlename)
342: // 5 = lname (lastname)
343: // 6 = gen (generation)
344: // 7 = id
345: // 8 = section
346: // 9 = ipwd (password)
347: //
348: function flip(vf,tf) {
349: var nw=eval('vf.f'+tf+'.selectedIndex');
350: var i;
351: // make sure no other columns are labeled the same as this one
352: for (i=0;i<=vf.nfields.value;i++) {
353: if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
354: eval('vf.f'+i+'.selectedIndex=0;')
355: }
356: }
357: // If we set this to 'lastname, firstnames', clear out all the ones
358: // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
359: if (nw==2) {
360: for (i=0;i<=vf.nfields.value;i++) {
361: if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
362: (eval('vf.f'+i+'.selectedIndex')<=6)) {
363: eval('vf.f'+i+'.selectedIndex=0;')
364: }
365: }
366: }
367: // If we set this to one of 'fname','mname','lname','gen' (3,4,5,6),
368: // clear out any that are set to 'lastname, firstnames' (2)
369: if ((nw>=3) && (nw<=6)) {
370: for (i=0;i<=vf.nfields.value;i++) {
371: if (eval('vf.f'+i+'.selectedIndex')==2) {
372: eval('vf.f'+i+'.selectedIndex=0;')
373: }
374: }
375: }
376: // If we set the password, make the password form below correspond to
377: // the new value.
378: if (nw==9) {
379: changed_radio('int',document.studentform);
380: set_auth_radio_buttons('int',document.studentform);
381: vf.intarg.value='';
382: vf.krbarg.value='';
383: vf.locarg.value='';
384: }
385: }
386:
387: function clearpwd(vf) {
388: var i;
389: for (i=0;i<=vf.nfields.value;i++) {
390: if (eval('vf.f'+i+'.selectedIndex')==9) {
391: eval('vf.f'+i+'.selectedIndex=0;')
392: }
393: }
394: }
395:
396: ENDPICK
397: }
398:
399: ###############################################################
400: ###############################################################
401: sub upload_manager_javascript_reverse_associate {
402: return(<<ENDPICK);
403: function verify(vf) {
404: var founduname=0;
405: var foundpwd=0;
406: var foundname=0;
407: var foundid=0;
408: var foundsec=0;
409: var tw;
410: for (i=0;i<=vf.nfields.value;i++) {
411: tw=eval('vf.f'+i+'.selectedIndex');
412: if (i==0 && tw!=0) { founduname=1; }
413: if (((i>=1) && (i<=5)) && tw!=0 ) { foundname=1; }
414: if (i==6 && tw!=0) { foundid=1; }
415: if (i==7 && tw!=0) { foundsec=1; }
416: if (i==8 && tw!=0) { foundpwd=1; }
417: }
418: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
419: }
420:
421: function flip(vf,tf) {
422: var nw=eval('vf.f'+tf+'.selectedIndex');
423: var i;
424: // picked the all one one name field, reset the other name ones to blank
425: if (tf==1 && nw!=0) {
426: for (i=2;i<=5;i++) {
427: eval('vf.f'+i+'.selectedIndex=0;')
428: }
429: }
430: //picked one of the piecewise name fields, reset the all in
431: //one field to blank
432: if ((tf>=2) && (tf<=5) && (nw!=0)) {
433: eval('vf.f1.selectedIndex=0;')
434: }
435: // intial password specified, pick internal authentication
436: if (tf==8 && nw!=0) {
437: changed_radio('int',document.studentform);
438: set_auth_radio_buttons('int',document.studentform);
439: vf.krbarg.value='';
440: vf.intarg.value='';
441: vf.locarg.value='';
442: }
443: }
444:
445: function clearpwd(vf) {
446: var i;
447: if (eval('vf.f8.selectedIndex')!=0) {
448: eval('vf.f8.selectedIndex=0;')
449: }
450: }
451: ENDPICK
452: }
453:
454: ###############################################################
455: ###############################################################
456: sub print_upload_manager_footer {
457: my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
458:
459: my ($krbdef,$krbdefdom) =
460: &Apache::loncommon::get_kerberos_defaults($defdom);
461: my %param = ( formname => 'document.studentform',
462: kerb_def_dom => $krbdefdom,
463: kerb_def_auth => $krbdef
464: );
465: my $krbform = &Apache::loncommon::authform_kerberos(%param);
466: my $intform = &Apache::loncommon::authform_internal(%param);
467: my $locform = &Apache::loncommon::authform_local(%param);
468: my $domform = &domain_form($defdom);
469: $r->print(<<ENDPICK);
470: </table>
471: <input type=hidden name=nfields value=$i>
472: <input type=hidden name=keyfields value="$keyfields">
473: <h3>Login Type</h3>
474: <p>Note: this will not take effect if the user already exists</p>
475: <p>
476: $krbform
477: </p>
478: <p>
479: $intform
480: </p>
481: <p>
482: $locform
483: </p>
484: <h3>LON-CAPA Domain for Students</h3>
485: LON-CAPA domain: $domform <p>
486: <h3>Starting and Ending Dates</h3>
487: <input type="hidden" value='' name="pres_value" >
488: <input type="hidden" value='' name="pres_type" >
489: <input type="hidden" value='' name="pres_marker" >
490: <input type="hidden" value='$today' name="startdate" >
491: <input type="hidden" value='$halfyear' name="enddate" >
492: <a
493: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
494: >Set Starting Date</a><p>
495:
496: <a
497: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
498: >Set Ending Date</a><p>
499: <h3>Full Update</h3>
500: <input type=checkbox name=fullup value=yes> Full update
501: (also print list of users not enrolled anymore)<p>
502: <h3>ID/Student Number</h3>
503: <input type=checkbox name=forceid value=yes>
504: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
505: (only do if you know what you are doing)<p>
506: <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
507: Note: for large courses, this operation may be time consuming.
508: ENDPICK
509: }
510:
511: # ======================================================= Menu Phase Two Upload
512: sub print_upload_manager_form {
513: my $r=shift;
514:
515: my $datatoken;
516: if (!$ENV{'form.datatoken'}) {
517: $datatoken=&Apache::loncommon::upfile_store($r);
518: } else {
519: $datatoken=$ENV{'form.datatoken'};
520: &Apache::loncommon::load_tmp_file($r);
521: }
522: my @records=&Apache::loncommon::upfile_record_sep();
523: my $total=$#records;
524: my $distotal=$total+1;
525: my $today=time;
526: my $halfyear=$today+15552000;
527: my $defdom=$r->dir_config('lonDefDomain');
528: my ($krbdef,$krbdefdom) =
529: &Apache::loncommon::get_kerberos_defaults($defdom);
530: &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
531: my $i;
532: my $keyfields;
533: if ($total>=0) {
534: my @d=(['username','Username'],
535: ['names','Last Name, First Names'],
536: ['fname','First Name'],
537: ['mname','Middle Names/Initials'],
538: ['lname','Last Name'],
539: ['gen','Generation'],
540: ['id','ID/Student Number'],
541: ['sec','Group/Section'],
542: ['ipwd','Initial Password']);
543: if ($ENV{'form.upfile_associate'} eq 'reverse') {
544: &Apache::loncommon::csv_print_samples($r,\@records);
545: $i=&Apache::loncommon::csv_print_select_table($r,\@records,\@d);
546: foreach (@d) { $keyfields.=$_->[0].','; }
547: chop($keyfields);
548: } else {
549: unshift(@d,['none','']);
550: $i=&Apache::loncommon::csv_samples_select_table($r,\@records,\@d);
551: my %sone=&Apache::loncommon::record_sep($records[0]);
552: $keyfields=join(',',sort(keys(%sone)));
553: }
554: }
555: &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
556: }
557:
558: # ======================================================= Enroll single student
559: sub enroll_single_student {
560: my $r=shift;
561: $r->print('<h3>Enrolling Student</h3>');
562: $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
563: $ENV{'form.lcdomain'}.'</p>');
564: if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
565: ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
566: # Deal with home server selection
567: my $domain=$ENV{'form.lcdomain'};
568: my $desiredhost = $ENV{'form.lcserver'};
569: if (lc($desiredhost) eq 'default') {
570: $desiredhost = undef;
571: } else {
572: my %home_servers =&Apache::loncommon::get_library_servers($domain);
573: if (! exists($home_servers{$desiredhost})) {
574: $r->print('<font color="#ff0000">Error:</font>'.
575: 'Invalid home server specified');
576: return;
577: }
578: }
579: $r->print(" with server $desiredhost :") if (defined($desiredhost));
580: # End of home server selection logic
581: my $amode='';
582: my $genpwd='';
583: if ($ENV{'form.login'} eq 'krb') {
584: $amode='krb';
585: $amode.=$ENV{'form.krbver'};
586: $genpwd=$ENV{'form.krbarg'};
587: } elsif ($ENV{'form.login'} eq 'int') {
588: $amode='internal';
589: $genpwd=$ENV{'form.intarg'};
590: } elsif ($ENV{'form.login'} eq 'loc') {
591: $amode='localauth';
592: $genpwd=$ENV{'form.locarg'};
593: if (!$genpwd) { $genpwd=" "; }
594: }
595: my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
596: $ENV{'form.lcdomain'});
597: if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
598: # Clean out any old roles the student has in this class.
599: &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
600: $ENV{'request.course.id'},$ENV{'form.csec'},
601: $desiredhost);
602: my $login_result = &Apache::lonnet::modifystudent
603: ($ENV{'form.lcdomain'},$ENV{'form.cuname'},
604: $ENV{'form.cstid'},$amode,$genpwd,
605: $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
606: $ENV{'form.clast'},$ENV{'form.cgen'},
607: $ENV{'form.csec'},$ENV{'form.enddate'},
608: $ENV{'form.startdate'},$ENV{'form.forceid'},
609: $desiredhost);
610: if ($login_result =~ /^ok/) {
611: $r->print($login_result);
612: $r->print("<p> If active, the new role will be available ".
613: "when the student next logs in to LON-CAPA.</p>");
614: } else {
615: $r->print("unable to enroll: ".$login_result);
616: }
617: } else {
618: $r->print('<p><font color="#ff0000">ERROR</font> '.
619: 'Invalid login mode or password. '.
620: 'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
621: }
622: } else {
623: $r->print('Invalid username or domain');
624: }
625: }
626:
627: # ======================================================= Menu Phase Two Enroll
628: sub print_enroll_single_student_form {
629: my $r=shift;
630: $r->print("<h3>Enroll One Student</h3>");
631: my $today = time;
632: my $halfyear = $today+15552000;
633: my $defdom=$r->dir_config('lonDefDomain');
634: # Set up authentication forms
635: my ($krbdef,$krbdefdom) =
636: &Apache::loncommon::get_kerberos_defaults($defdom);
637: my $javascript_validations=&javascript_validations($krbdefdom);
638: my %param = ( formname => 'document.studentform',
639: kerb_def_dom => $krbdefdom,
640: kerb_def_auth => $krbdef
641: );
642: my $krbform = &Apache::loncommon::authform_kerberos(%param);
643: my $intform = &Apache::loncommon::authform_internal(%param);
644: my $locform = &Apache::loncommon::authform_local(%param);
645: # Set up domain selection form
646: my $domform = &domain_form($defdom);
647: # Print it all out
648: $r->print(<<END);
649: <input type="hidden" name="action" value="enrollstudent">
650: <input type="hidden" name="state" value="done">
651:
652: <script type="text/javascript" language="Javascript">
653: function verify(vf) {
654: var founduname=0;
655: var foundpwd=0;
656: var foundname=0;
657: var foundid=0;
658: var foundsec=0;
659: var tw;
660: if ((typeof(vf.cuname.value) !="undefined") && (vf.cuname.value!='') &&
661: (typeof(vf.lcdomain.value)!="undefined") && (vf.lcdomain.value!='')) {
662: founduname=1;
663: }
664: if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
665: (typeof(vf.clast.value) !="undefined") && (vf.clast.value!='')) {
666: foundname=1;
667: }
668: if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
669: foundsec=1;
670: }
671: if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
672: foundid=1;
673: }
674: if (founduname==0) {
675: alert('You need to specify at least the username and domain fields');
676: return;
677: }
678: verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
679: }
680:
681: $javascript_validations
682:
683: function clearpwd(vf) {
684: //nothing else needs clearing
685: }
686:
687: </script>
688: <h3>Personal Data</h3>
689: <table>
690: <tr><td>First Name:</td><td> <input type="text" name="cfirst" size="15"></td></tr>
691: <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
692: <tr><td>Last Name: </td><td><input type="text" name="clast" size="15"></td></tr>
693: <tr><td>Generation: </td><td><input type="text" name="cgen" size="5"> </td></tr>
694: </table>
695:
696: <h3>Login Data</h3>
697: <p>Username: <input type="text" name="cuname" size="15"></p>
698: <p>Domain: $domform</p>
699: <p>Note: login settings below will not take effect if the user already exists
700: </p><p>
701: $krbform
702: </p><p>
703: $intform
704: </p><p>
705: $locform
706: </p><p>
707:
708: <h3>Course Data</h3>
709:
710: <p>Group/Section: <input type="text" name="csec" size="5" />
711: <p>
712: <!-- Date setting form elements -->
713: <input type="hidden" name="pres_value" value='' />
714: <input type="hidden" name="pres_type" value='' />
715: <input type="hidden" name="pres_marker" value='' />
716: <input type="hidden" name="startdate" value='$today' />
717: <input type="hidden" name="enddate" value='$halfyear' />
718: </p><p>
719: <a
720: href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
721: >Set Starting Date</a>
722: </p><p>
723: <a
724: href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
725: >Set Ending Date</a>
726: </p>
727: <h3>ID/Student Number</h3>
728: <p>
729: ID/Student Number: <input type="text" name="cstid" size="10">
730: </p><p>
731: <input type="checkbox" name="forceid" value="yes">
732: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
733: (only do if you know what you are doing)
734: </p><p>
735: <input type="button" onClick="verify(this.form)" value="Enroll as student">
736: </p>
737: END
738: return;
739: }
740:
741: # ========================================================= Menu Phase Two Drop
742: sub print_drop_menu {
743: my $r=shift;
744: $r->print("<h3>Drop Students</h3>");
745: my $cid=$ENV{'request.course.id'};
746: my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
747: if (! defined($classlist)) {
748: $r->print("There are no students currently enrolled.\n");
749: return;
750: }
751: # Print out the available choices
752: &show_drop_list($r,$classlist,$keylist);
753: return;
754: }
755:
756: # ============================================== view classlist
757: sub print_html_classlist {
758: my $r=shift;
759: if (! exists($ENV{'form.sortby'})) {
760: $ENV{'form.sortby'} = 'username';
761: }
762: if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
763: $ENV{'form.Status'} = 'Active';
764: }
765: my $status_select = &Apache::lonhtmlcommon::StatusOptions
766: ($ENV{'form.Status'},'studentform');
767: $r->print(<<END);
768: <input type="hidden" name="action" value="$ENV{'form.action'}" />
769: <input type="hidden" name="state" value="" />
770: <p>
771: <font size="+1">Current Classlist</font>
772:
773: END
774: if ($ENV{'form.action'} ne 'modifystudent') {
775: $r->print(<<END);
776: <font size="+1">
777: <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
778:
779: <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
780: </font>
781:
782: Student Status:
783: END
784: }
785: $r->print($status_select."</p>\n");
786: my $cid=$ENV{'request.course.id'};
787: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
788: if (! defined($classlist)) {
789: $r->print("There are no students currently enrolled.\n");
790: } else {
791: # Print out the available choices
792: if ($ENV{'form.action'} eq 'modifystudent') {
793: &show_class_list($r,'view','modify','modifystudent',
794: $ENV{'form.Status'},$classlist,$keylist);
795: } else {
796: &show_class_list($r,'view','aboutme','classlist',
797: $ENV{'form.Status'},$classlist,$keylist);
798: }
799: }
800: }
801:
802: # ============================================== view classlist
803: sub print_formatted_classlist {
804: my $r=shift;
805: my $mode = shift;
806: my $cid=$ENV{'request.course.id'};
807: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
808: if (! defined($classlist)) {
809: $r->print("There are no students currently enrolled.\n");
810: } else {
811: &show_class_list($r,$mode,'nolink','csv',
812: $ENV{'form.Status'},$classlist,$keylist);
813: }
814: }
815:
816: # =================================================== Show student list to drop
817: sub show_class_list {
818: my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
819: my $cid=$ENV{'request.course.id'};
820: #
821: # Variables for excel output
822: my ($excel_workbook, $excel_sheet, $excel_filename,$row);
823: #
824: my $sortby = $ENV{'form.sortby'};
825: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
826: $sortby = 'username';
827: }
828: # Print out header
829: if ($mode eq 'view') {
830: if ($linkto eq 'aboutme') {
831: $r->print('Select a user name to view the users personal page.');
832: } elsif ($linkto eq 'modify') {
833: $r->print('Select a user name to modify the students information');
834: }
835: $r->print(<<END);
836:
837: <input type="hidden" name="sortby" value="$sortby" />
838: <input type="hidden" name="sname" value="" />
839: <input type="hidden" name="sdom" value="" />
840: <p>
841: <table border=2>
842: <tr><th>
843: <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
844: </th><th>
845: <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
846: </th><th>
847: <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
848: </th><th>
849: <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
850: </th><th>
851: <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
852: </th>
853: </tr>
854: END
855: } elsif ($mode eq 'csv') {
856: if($statusmode eq 'Expired') {
857: $r->print('"Students with expired roles"');
858: }
859: if ($statusmode eq 'Any') {
860: $r->print('"'.join('","',("username","domain","ID","student name",
861: "section","status")).'"'."\n");
862: } else {
863: $r->print('"'.join('","',("username","domain","ID","student name",
864: "section")).'"'."\n");
865: }
866: } elsif ($mode eq 'excel') {
867: # Create the excel spreadsheet
868: $excel_filename = '/prtspool/'.
869: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
870: time.'_'.rand(1000000000).'.xls';
871: $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.
872: $excel_filename);
873: $excel_workbook->set_tempdir('/home/httpd/perl/tmp');
874: $excel_sheet = $excel_workbook->addworksheet('classlist');
875: #
876: my $description = 'Classlist for '.
877: $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
878: $excel_sheet->write($row++,0,$description);
879: #
880: $excel_sheet->write($row++,0,["username","domain","ID",
881: "student name","section","status"]);
882: }
883: #
884: # Sort the students
885: my %index;
886: my $i;
887: foreach (@$keylist) {
888: $index{$_} = $i++;
889: }
890: my $index = $index{$sortby};
891: my $second = $index{'username'};
892: my $third = $index{'domain'};
893: my @Sorted_Students = sort {
894: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
895: ||
896: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
897: ||
898: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
899: } (keys(%$classlist));
900: foreach my $student (@Sorted_Students) {
901: my $username = $classlist->{$student}->[$index{'username'}];
902: my $domain = $classlist->{$student}->[$index{'domain'}];
903: my $section = $classlist->{$student}->[$index{'section'}];
904: my $name = $classlist->{$student}->[$index{'fullname'}];
905: my $id = $classlist->{$student}->[$index{'id'}];
906: my $status = $classlist->{$student}->[$index{'status'}];
907: next if (($statusmode ne 'Any') && ($status ne $statusmode));
908: if ($mode eq 'view') {
909: $r->print("<tr>\n <td>\n ");
910: if ($linkto eq 'nothing') {
911: $r->print($username);
912: } elsif ($linkto eq 'aboutme') {
913: $r->print(&Apache::loncommon::aboutmewrapper($username,
914: $username,
915: $domain));
916: } elsif ($linkto eq 'modify') {
917: $r->print('<a href="'.
918: "javascript:document.studentform.sname.value='".
919: $username.
920: "';document.studentform.sdom.value='".$domain.
921: "';document.studentform.state.value='selected".
922: "';document.studentform.submit();".'">'.
923: $username."</a>\n");
924: }
925: $r->print(<<"END");
926: </td>
927: <td>$domain</td>
928: <td>$id</td>
929: <td>$name</td>
930: <td>$section</td>
931: </tr>
932: END
933: } elsif ($mode eq 'csv') {
934: # no need to bother with $linkto
935: my @line = ();
936: foreach ($username,$domain,$id,$name,$section) {
937: push @line,&Apache::loncommon::csv_translate($_);
938: }
939: if ($statusmode eq 'Any') {
940: push @line,&Apache::loncommon::csv_translate($status);
941: }
942: my $tmp = $";
943: $" = '","';
944: $r->print("\"@line\"\n");
945: $" = $tmp;
946: } elsif ($mode eq 'excel') {
947: $excel_sheet->write($row++,0,[$username,$domain,$id,
948: $name,$section,$status]);
949: }
950: }
951: if ($mode eq 'view') {
952: $r->print('</table><br>');
953: } elsif ($mode eq 'excel') {
954: $excel_workbook->close();
955: $r->print('<p><a href="'.$excel_filename.'">'.
956: 'Your Excel spreadsheet</a> is ready for download.</p>'."\n");
957: }
958: }
959:
960:
961: #
962: # print out form for modification of a single students data
963: #
964: sub print_modify_student_form {
965: my $r = shift();
966: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
967: ['sdom','sname']);
968: my $sname = $ENV{'form.sname'};
969: my $sdom = $ENV{'form.sdom'};
970: my $sortby = $ENV{'form.sortby'};
971: # determine the students name information
972: my %info=&Apache::lonnet::get('environment',
973: ['firstname','middlename',
974: 'lastname','generation','id'],
975: $sdom, $sname);
976: my ($tmp) = keys(%info);
977: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
978: $r->print('<font color="#ff0000" size="+2">Error</font>'.
979: '<p>'.
980: 'Unable to retrieve environment data for '.$sname.
981: 'in domain '.$sdom.'</p><p>'.
982: 'Please contact your LON-CAPA administrator '.
983: 'regarding this situation.</p></body></html>');
984: return;
985: }
986: # determine the students starting and ending times and section
987: my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
988: # Deal with date forms
989: my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
990: 'startdate',
991: $starttime);
992: my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
993: 'enddate',
994: $endtime);
995: #
996: if (! exists($ENV{'form.Status'}) ||
997: $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
998: $ENV{'form.Status'} = 'crap';
999: }
1000: # Make sure student is enrolled in course
1001: $r->print(<<END);
1002: <p>
1003: <font size="+1">
1004: Only domain coordinators can change a users password.
1005: </font>
1006: </p>
1007: <input type="hidden" name="slogin" value="$sname" />
1008: <input type="hidden" name="sdomain" value="$sdom" />
1009: <input type="hidden" name="action" value="modifystudent" />
1010: <input type="hidden" name="state" value="done" />
1011: <input type="hidden" name="sortby" value="$sortby" />
1012: <input type="hidden" name="Status" value="$ENV{'form.Status'}" />
1013:
1014: <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'}
1015: $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
1016: <p>
1017: <b>Student Name</b>
1018: <table>
1019: <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
1020: <tr><td>
1021: <input type="text" name="firstname" value="$info{'firstname'}" /></td><td>
1022: <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
1023: <input type="text" name="lastname" value="$info{'lastname'}" /></td><td>
1024: <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
1025: </table>
1026: </p><p>
1027: <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
1028: </p><p>
1029: <input type="checkbox" name="forceid" >
1030: Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
1031: (only do if you know what you are doing)
1032: </p><p>
1033: <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
1034: </p><p>
1035: <table>
1036: <tr><td align="right"><b>Starting Date:</b></td><td>$startdateform</td></tr>
1037: <tr><td align="right"><b>Ending Date:</b></td><td>$enddateform</td></tr>
1038: </table>
1039: </p>
1040: <input type="submit" value="Submit Modifications" />
1041: </body></html>
1042: END
1043: return;
1044: }
1045:
1046: #
1047: # modify a single students section
1048: #
1049: sub modify_single_student {
1050: my $r = shift;
1051: # Get the 'sortby' and 'Status' variables so the user goes back to their
1052: # previous screen
1053: my $sortby = $ENV{'form.sortby'};
1054: my $status = $ENV{'form.Status'};
1055: #
1056: # We always need this information
1057: my $slogin = $ENV{'form.slogin'};
1058: my $sdom = $ENV{'form.sdomain'};
1059: #
1060: # Get the old data
1061: my %old=&Apache::lonnet::get('environment',
1062: ['firstname','middlename',
1063: 'lastname','generation','id'],
1064: $sdom, $slogin);
1065: $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin,
1066: $ENV{'request.course.id'});
1067: my ($tmp) = keys(%old);
1068: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1069: $r->print("There was an error determining the environment values ".
1070: " for $slogin \@ $sdom.");
1071: return;
1072: }
1073: undef $tmp;
1074: #
1075: # Get the new data
1076: my $firstname = $ENV{'form.firstname'};
1077: my $middlename = $ENV{'form.middlename'};
1078: my $lastname = $ENV{'form.lastname'};
1079: my $generation = $ENV{'form.generation'};
1080: my $section = $ENV{'form.section'};
1081: my $courseid = $ENV{'request.course.id'};
1082: my $sid = $ENV{'form.id'};
1083: my $starttime = &Apache::lonhtmlcommon::get_date_from_form('startdate');
1084: my $endtime = &Apache::lonhtmlcommon::get_date_from_form('enddate');
1085: my $displayable_starttime = localtime($starttime);
1086: my $displayable_endtime = localtime($endtime);
1087: #
1088: # check for forceid override
1089: if ((defined($old{'id'})) && ($old{'id'} ne '') &&
1090: ($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
1091: $r->print("<font color=\"ff0000\">You changed the students id ".
1092: " but did not disable the ID change safeguard.".
1093: " The students id will not be changed.</font>");
1094: $sid = $old{'id'};
1095: }
1096: #
1097: # talk to the user about what we are going to do
1098: $r->print(<<END);
1099: <h2>Modifying data for user $slogin \@ $sdom </h2>
1100: <h3>Student Information</h3>
1101: <table rules="rows" border="1" cellpadding="3" >
1102: <tr>
1103: <th> Field </th>
1104: <th> Old Value </th>
1105: <th> New Value </th>
1106: </tr>
1107: <tr>
1108: <td> <b>First name</b> </td>
1109: <td> $old{'firstname'} </td>
1110: <td> $firstname </td>
1111: </tr><tr>
1112: <td> <b>Middle name</b> </td>
1113: <td> $old{'middlename'} </td>
1114: <td> $middlename </td>
1115: </tr><tr>
1116: <td> <b>Last name</b> </td>
1117: <td> $old{'lastname'} </td>
1118: <td> $lastname </td>
1119: </tr><tr>
1120: <td> <b>Generation</b> </td>
1121: <td> $old{'generation'} </td>
1122: <td> $generation </td>
1123: </tr><tr>
1124: <td> <b>ID</b> </td>
1125: <td> $old{'id'} </td>
1126: <td> $sid </td>
1127: </tr><tr>
1128: <td> <b>Section</b> </td>
1129: <td> $old{'section'} </td>
1130: <td> $section</td>
1131: </tr>
1132: </table>
1133: <h3>Role Information</h3>
1134: <table>
1135: <tr><td>Start Time </td><td> $displayable_starttime </td></tr>
1136: <tr><td>End Time </td><td> $displayable_endtime </td></tr>
1137: </table>
1138: <p>
1139: END
1140: #
1141: # Send request(s) to modify data (final undef is for 'desiredhost',
1142: # which is a moot point because the student already has an account.
1143: my $modify_section_results = &modifystudent($sdom,$slogin,
1144: $ENV{'request.course.id'},
1145: $section,undef);
1146: if ($modify_section_results !~ /^ok/) {
1147: $r->print("An error occured during the attempt to change the ".
1148: "section for this student.<br />");
1149: }
1150: my $roleresults = &Apache::lonnet::modifystudent
1151: ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
1152: $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
1153: if ($roleresults eq 'refused' ) {
1154: $r->print("Your request to change the role information for this ".
1155: "student was refused. You do not appear to have ".
1156: "sufficient authority to change student information.");
1157: } elsif ($roleresults !~ /ok/) {
1158: $r->print("An error occurred during the attempt to change the role".
1159: " information for this student. <br />".
1160: "The error reported was ".
1161: $roleresults);
1162: &Apache::lonnet::logthis("londropadd:failed attempt to modify student".
1163: " data for ".$slogin." \@ ".$sdom." by ".
1164: $ENV{'user.name'}." \@ ".$ENV{'user.domain'}.
1165: ":".$roleresults);
1166: } else { # everything is okay!
1167: $r->print("Student information updated successfully. <br />".
1168: "The student must log out and log in again to see ".
1169: "these changes.");
1170: }
1171: $r->print(<<END);
1172: </p><p>
1173: <input type="hidden" name="action" value="modifystudent" />
1174: <input type="hidden" name="sortby" value="$sortby" />
1175: <input type="hidden" name="Status" value="$status" />
1176: <a href="javascript:document.studentform.submit();">Modify another students data</a>
1177: </body></html>
1178: END
1179: return;
1180: }
1181:
1182: sub get_enrollment_data {
1183: my ($sname,$sdomain) = @_;
1184: my $courseid = $ENV{'request.course.id'};
1185: $courseid =~ s:_:/:g;
1186: my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
1187: my ($tmp) = keys(%roles);
1188: # Bail out if we were unable to get the students roles
1189: return "666" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
1190: # Go through the roles looking for enrollment in this course
1191: my ($end,$start) = (undef,undef);
1192: my $section = '';
1193: my $count = scalar(keys(%roles));
1194: while (my ($course,$role) = each(%roles)) {
1195: &Apache::lonnet::logthis('course = '.$course.' role = '.$role);
1196: if ($course=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) {
1197: #
1198: # Get active role
1199: $section=$1;
1200: (undef,$end,$start)=split(/\_/,$role);
1201: my $now=time;
1202: my $notactive=0;
1203: if ($start) {
1204: if ($now<$start) { $notactive=1; }
1205: }
1206: if ($end) {
1207: if ($now>$end) { $notactive=1; }
1208: }
1209: unless ($notactive) { return ($start,$end,$section); }
1210: }
1211: }
1212: return ($start,$end,$section);
1213: }
1214:
1215: #################################################
1216: #################################################
1217:
1218: =pod
1219:
1220: =item show_drop_list
1221:
1222: Display a list of students to drop
1223: Inputs:
1224:
1225: =over 4
1226:
1227: =item $r, Apache request
1228:
1229: =item $classlist, hash pointer returned from loncoursedata::get_classlist();
1230:
1231: =item $keylist, array pointer returned from loncoursedata::get_classlist()
1232: which describes the order elements are stored in the %$classlist values.
1233:
1234: =item $nosort, if true, sorting links are omitted.
1235:
1236: =back
1237:
1238: =cut
1239:
1240: #################################################
1241: #################################################
1242: sub show_drop_list {
1243: my ($r,$classlist,$keylist,$nosort)=@_;
1244: my $cid=$ENV{'request.course.id'};
1245: if (! exists($ENV{'form.sortby'})) {
1246: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1247: ['sortby']);
1248: }
1249: my $sortby = $ENV{'form.sortby'};
1250: if ($sortby !~ /^(username|domain|section|fullname|id)$/) {
1251: $sortby = 'username';
1252: }
1253: #
1254: my $action = "drop";
1255: $r->print(<<END);
1256: <input type="hidden" name="sortby" value="$sortby" />
1257: <input type="hidden" name="action" value="$action" />
1258: <input type="hidden" name="state" value="done" />
1259: <script>
1260: function checkAll(field) {
1261: for (i = 0; i < field.length; i++)
1262: field[i].checked = true ;
1263: }
1264:
1265: function uncheckAll(field) {
1266: for (i = 0; i < field.length; i++)
1267: field[i].checked = false ;
1268: }
1269: </script>
1270: <p>
1271: <input type="hidden" name="phase" value="four">
1272: END
1273:
1274: if ($nosort) {
1275: $r->print(<<END);
1276: <table border=2>
1277: <tr>
1278: <th> </th>
1279: <th>username</th>
1280: <th>domain</th>
1281: <th>ID</th>
1282: <th>student name</th>
1283: <th>section</th>
1284: </tr>
1285: END
1286:
1287: } else {
1288: $r->print(<<END);
1289: <table border=2>
1290: <tr><th> </th>
1291: <th>
1292: <a href="/adm/dropadd?action=$action&sortby=username">username</a>
1293: </th><th>
1294: <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
1295: </th><th>
1296: <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
1297: </th><th>
1298: <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
1299: </th><th>
1300: <a href="/adm/dropadd?action=$action&sortby=section">section</a>
1301: </th>
1302: </tr>
1303: END
1304: }
1305: #
1306: # Sort the students
1307: my %index;
1308: my $i;
1309: foreach (@$keylist) {
1310: $index{$_} = $i++;
1311: }
1312: my $index = $index{$sortby};
1313: my $second = $index{'username'};
1314: my $third = $index{'domain'};
1315: my @Sorted_Students = sort {
1316: lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
1317: ||
1318: lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
1319: ||
1320: lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
1321: } (keys(%$classlist));
1322: foreach my $student (@Sorted_Students) {
1323: my $error;
1324: my $username = $classlist->{$student}->[$index{'username'}];
1325: my $domain = $classlist->{$student}->[$index{'domain'}];
1326: my $section = $classlist->{$student}->[$index{'section'}];
1327: my $name = $classlist->{$student}->[$index{'fullname'}];
1328: my $id = $classlist->{$student}->[$index{'id'}];
1329: my $status = $classlist->{$student}->[$index{'status'}];
1330: next if ($status ne 'Active');
1331: #
1332: $r->print(<<"END");
1333: <tr>
1334: <td><input type="checkbox" name="droplist" value="$student"></td>
1335: <td>$username</td>
1336: <td>$domain</td>
1337: <td>$id</td>
1338: <td>$name</td>
1339: <td>$section</td>
1340: </tr>
1341: END
1342: }
1343: $r->print('</table><br>');
1344: $r->print(<<"END");
1345: </p><p>
1346: <input type="button" value="check all" onclick="javascript:checkAll(document.studentform.droplist)">
1347: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">
1348: <p><input type=submit value="Drop Students"></p>
1349: END
1350: return;
1351: }
1352:
1353: #
1354: # Print out the initial form to get the courselist file
1355: #
1356: sub print_first_courselist_upload_form {
1357: my $r=shift;
1358: my $upfile_select=&Apache::loncommon::upfile_select_html();
1359: my $create_classlist_help =
1360: &Apache::loncommon::help_open_topic("Course_Create_Class_List",
1361: "How do I create a class list from a spreadsheet");
1362: my $create_csv_help =
1363: &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
1364: "How do I create a CSV file from a spreadsheet");
1365: $r->print(<<ENDUPFORM);
1366: <input type=hidden name=phase value=two>
1367: <h3>Upload a courselist</h3>
1368: $upfile_select
1369: <p>
1370: <input type=submit name="fileupload" value="Upload Courselist">
1371: <input type="hidden" name="action" value="upload" />
1372: <input type="hidden" name="state" value="got_file" />
1373: </p>
1374: $create_classlist_help <br />
1375: $create_csv_help
1376: </body></html>
1377: ENDUPFORM
1378: return;
1379: }
1380:
1381: # ================================================= Drop/Add from uploaded file
1382: sub upfile_drop_add {
1383: my $r=shift;
1384: &Apache::loncommon::load_tmp_file($r);
1385: my @studentdata=&Apache::loncommon::upfile_record_sep();
1386: my @keyfields = split(/\,/,$ENV{'form.keyfields'});
1387: my $cid = $ENV{'request.course.id'};
1388: my %fields=();
1389: for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
1390: if ($ENV{'form.upfile_associate'} eq 'reverse') {
1391: if ($ENV{'form.f'.$i} ne 'none') {
1392: $fields{$keyfields[$i]}=$ENV{'form.f'.$i};
1393: }
1394: } else {
1395: $fields{$ENV{'form.f'.$i}}=$keyfields[$i];
1396: }
1397: }
1398: #
1399: my $startdate = $ENV{'form.startdate'};
1400: my $enddate = $ENV{'form.enddate'};
1401: if ($startdate=~/\D/) { $startdate=''; }
1402: if ($enddate=~/\D/) { $enddate=''; }
1403: # Determine domain and desired host (home server)
1404: my $domain=$ENV{'form.lcdomain'};
1405: my $desiredhost = $ENV{'form.lcserver'};
1406: if (lc($desiredhost) eq 'default') {
1407: $desiredhost = undef;
1408: } else {
1409: my %home_servers = &Apache::loncommon::get_library_servers($domain);
1410: if (! exists($home_servers{$desiredhost})) {
1411: $r->print('<font color="#ff0000">Error:</font>'.
1412: 'Invalid home server specified');
1413: return;
1414: }
1415: }
1416: # Determine authentication mechanism
1417: my $amode = '';
1418: my $genpwd = '';
1419: if ($ENV{'form.login'} eq 'krb') {
1420: $amode='krb';
1421: $amode.=$ENV{'form.krbver'};
1422: $genpwd=$ENV{'form.krbarg'};
1423: } elsif ($ENV{'form.login'} eq 'int') {
1424: $amode='internal';
1425: if ((defined($ENV{'form.intarg'})) && ($ENV{'form.intarg'})) {
1426: $genpwd=$ENV{'form.intarg'};
1427: }
1428: } elsif ($ENV{'form.login'} eq 'loc') {
1429: $amode='localauth';
1430: if ((defined($ENV{'form.locarg'})) && ($ENV{'form.locarg'})) {
1431: $genpwd=$ENV{'form.locarg'};
1432: }
1433: }
1434: unless (($domain=~/\W/) || ($amode eq '')) {
1435: #######################################
1436: ## Enroll Students ##
1437: #######################################
1438: $r->print('<h3>Enrolling Students</h3>');
1439: my $count=0;
1440: my $flushc=0;
1441: my %student=();
1442: # Get new classlist
1443: foreach (@studentdata) {
1444: my %entries=&Apache::loncommon::record_sep($_);
1445: # Determine student name
1446: unless (($entries{$fields{'username'}} eq '') ||
1447: (!defined($entries{$fields{'username'}}))) {
1448: my ($fname, $mname, $lname,$gen) = ('','','','');
1449: if (defined($fields{'names'})) {
1450: ($lname,$fname,$mname)=($entries{$fields{'names'}}=~
1451: /([^\,]+)\,\s*(\w+)\s*(.*)$/);
1452: } else {
1453: if (defined($fields{'fname'})) {
1454: $fname=$entries{$fields{'fname'}};
1455: }
1456: if (defined($fields{'mname'})) {
1457: $mname=$entries{$fields{'mname'}};
1458: }
1459: if (defined($fields{'lname'})) {
1460: $lname=$entries{$fields{'lname'}};
1461: }
1462: if (defined($fields{'gen'})) {
1463: $gen=$entries{$fields{'gen'}};
1464: }
1465: }
1466: if ($entries{$fields{'username'}}=~/\W/) {
1467: $r->print('<p><b>Unacceptable username: '.
1468: $entries{$fields{'username'}}.' for user '.
1469: $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
1470: } else {
1471: # determine section number
1472: my $sec='';
1473: my $username=$entries{$fields{'username'}};
1474: if (defined($fields{'sec'})) {
1475: if (defined($entries{$fields{'sec'}})) {
1476: $sec=$entries{$fields{'sec'}};
1477: }
1478: }
1479: # determine student id number
1480: my $id='';
1481: if (defined($fields{'id'})) {
1482: if (defined($entries{$fields{'id'}})) {
1483: $id=$entries{$fields{'id'}};
1484: }
1485: $id=~tr/A-Z/a-z/;
1486: }
1487: # determine student password
1488: my $password='';
1489: if ($genpwd) {
1490: $password=$genpwd;
1491: } else {
1492: if (defined($fields{'ipwd'})) {
1493: if ($entries{$fields{'ipwd'}}) {
1494: $password=$entries{$fields{'ipwd'}};
1495: }
1496: }
1497: }
1498: # Clean up whitespace
1499: foreach (\$domain,\$username,\$id,\$fname,\$mname,
1500: \$lname,\$gen,\$sec) {
1501: $$_ =~ s/(\s+$|^\s+)//g;
1502: }
1503: if ($password) {
1504: &modifystudent($domain,$username,$cid,$sec,
1505: $desiredhost);
1506: my $reply=&Apache::lonnet::modifystudent
1507: ($domain,$username,$id,$amode,$password,
1508: $fname,$mname,$lname,$gen,$sec,$enddate,
1509: $startdate,$ENV{'form.forceid'},$desiredhost);
1510: if ($reply ne 'ok') {
1511: $r->print('<p><b>'.
1512: 'Error enrolling '.$username.': '.
1513: $reply.'</b></p>');
1514: } else {
1515: $count++; $flushc++;
1516: $student{$username}=1;
1517: $r->print('. ');
1518: if ($flushc>15) {
1519: $r->rflush;
1520: $flushc=0;
1521: }
1522: }
1523: } else {
1524: $r->print("<p><b>No password for $username</b><p>");
1525: }
1526: }
1527: }
1528: } # end of foreach (@studentdata)
1529: $r->print('<p>Processed Students: '.$count.'</p>');
1530: $r->print("<p>If active, the new role will be available when the ".
1531: "students next log in to LON-CAPA.</p>");
1532: #####################################
1533: # Drop students #
1534: #####################################
1535: if ($ENV{'form.fullup'} eq 'yes') {
1536: $r->print('<h3>Dropping Students</h3>');
1537: # Get current classlist
1538: my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
1539: if (! defined($classlist)) {
1540: $r->print("There are no students currently enrolled.\n");
1541: } else {
1542: # Remove the students we just added from the list of students.
1543: foreach (@studentdata) {
1544: my %entries=&Apache::loncommon::record_sep($_);
1545: unless (($entries{$fields{'username'}} eq '') ||
1546: (!defined($entries{$fields{'username'}}))) {
1547: delete($classlist->{$entries{$fields{'username'}}.
1548: ':'.$domain});
1549: }
1550: }
1551: # Print out list of dropped students.
1552: &show_drop_list($r,$classlist,$keylist,'nosort');
1553: }
1554: }
1555: } # end of unless
1556: }
1557:
1558: # ================================================================== Phase four
1559: sub drop_student_list {
1560: my $r=shift;
1561: my $count=0;
1562: my @droplist;
1563: if (ref($ENV{'form.droplist'})) {
1564: @droplist = @{$ENV{'form.droplist'}};
1565: } else {
1566: @droplist = ($ENV{'form.droplist'});
1567: }
1568: foreach (@droplist) {
1569: my ($uname,$udom)=split(/\:/,$_);
1570: # drop student
1571: my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
1572: if ($result eq 'ok' || $result eq 'ok:') {
1573: $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
1574: $count++;
1575: } else {
1576: $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
1577: '<br />');
1578: }
1579: }
1580: $r->print('<p><b>Dropped '.$count.' student(s).</b>');
1581: $r->print('<p>Re-enrollment will re-activate data.') if ($count);
1582: }
1583:
1584: ###################################################################
1585: ###################################################################
1586:
1587: =pod
1588:
1589: =item &handler
1590:
1591: The typical handler you see in all these modules. Takes $r, the
1592: http request, as an argument.
1593:
1594: The response to the request is governed by two form variables
1595:
1596: form.action form.state response
1597: ---------------------------------------------------
1598: undefined undefined print main menu
1599: upload undefined print courselist upload menu
1600: upload got_file deal with uploaded file,
1601: print the upload managing menu
1602: upload enrolling enroll students based on upload
1603: drop undefined print the classlist ready to drop
1604: drop done drop the selected students
1605: enrollstudent undefined print single student enroll menu
1606: enrollstudent enrolling enroll student
1607: classlist undefined print html classlist
1608: classlist csv print csv classlist
1609: modifystudent undefined print classlist to select student to modify
1610: modifystudent selected print modify student menu
1611: modifystudent done make modifications to student record
1612:
1613: =cut
1614:
1615: ###################################################################
1616: ###################################################################
1617: sub handler {
1618: my $r=shift;
1619: if ($r->header_only) {
1620: $r->content_type('text/html');
1621: $r->send_http_header;
1622: return OK;
1623: }
1624: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1625: ['action','state']);
1626: # Needs to be in a course
1627: if (! (($ENV{'request.course.fn'}) &&
1628: (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) {
1629: # Not in a course, or not allowed to modify parms
1630: $ENV{'user.error.msg'}=
1631: "/adm/dropadd:cst:0:0:Cannot drop or add students";
1632: return HTTP_NOT_ACCEPTABLE;
1633: }
1634: #
1635: # Only output the header information if they did not request csv format
1636: #
1637: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1638: $r->content_type('text/csv');
1639: } else {
1640: # Start page
1641: $r->content_type('text/html');
1642: $r->send_http_header;
1643: $r->print(&header());
1644: }
1645: #
1646: # Main switch on form.action and form.state, as appropriate
1647: if (! exists($ENV{'form.action'})) {
1648: &print_main_menu($r);
1649: } elsif ($ENV{'form.action'} eq 'upload') {
1650: if (! exists($ENV{'form.state'})) {
1651: &print_first_courselist_upload_form($r);
1652: } elsif ($ENV{'form.state'} eq 'got_file') {
1653: &print_upload_manager_form($r);
1654: } elsif ($ENV{'form.state'} eq 'enrolling') {
1655: if ($ENV{'form.datatoken'}) {
1656: &upfile_drop_add($r);
1657: } else {
1658: # Hmmm, this is an error
1659: }
1660: } else {
1661: &print_first_courselist_upload_form($r);
1662: }
1663: } elsif ($ENV{'form.action'} eq 'drop') {
1664: if (! exists($ENV{'form.state'})) {
1665: &print_drop_menu($r);
1666: } elsif ($ENV{'form.state'} eq 'done') {
1667: &drop_student_list($r);
1668: } else {
1669: &print_drop_menu($r);
1670: }
1671: } elsif ($ENV{'form.action'} eq 'enrollstudent') {
1672: if (! exists($ENV{'form.state'})) {
1673: &print_enroll_single_student_form($r);
1674: } elsif ($ENV{'form.state'} eq 'enrolling') {
1675: &enroll_single_student($r);
1676: } else {
1677: &print_enroll_single_student_form($r);
1678: }
1679: } elsif ($ENV{'form.action'} eq 'classlist') {
1680: if (! exists($ENV{'form.state'})) {
1681: &print_html_classlist($r);
1682: } elsif ($ENV{'form.state'} eq 'csv') {
1683: &print_formatted_classlist($r,'csv');
1684: } elsif ($ENV{'form.state'} eq 'excel') {
1685: &print_formatted_classlist($r,'excel');
1686: } else {
1687: &print_html_classlist($r);
1688: }
1689: } elsif ($ENV{'form.action'} eq 'modifystudent') {
1690: if (! exists($ENV{'form.state'})) {
1691: &print_html_classlist($r);
1692: } elsif ($ENV{'form.state'} eq 'selected') {
1693: &print_modify_student_form($r);
1694: } elsif ($ENV{'form.state'} eq 'done') {
1695: &modify_single_student($r);
1696: } else {
1697: &print_html_classlist($r);
1698: }
1699: } else {
1700: # We should not end up here, but I guess it is possible
1701: &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ".
1702: "form.action = ".$ENV{'form.action'}.
1703: "Someone should fix this.");
1704: &print_main_menu($r);
1705: }
1706: #
1707: # Finish up
1708: if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) {
1709: $r->print("\n");
1710: } else {
1711: $r->print('</form></body></html>');
1712: }
1713: return OK;
1714: }
1715:
1716: ###################################################################
1717: ###################################################################
1718:
1719: 1;
1720: __END__
1721:
1722:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to londropadd.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface