1: # The LearningOnline Network
2: # Create a course
3: #
4: # $Id: loncreatecourse.pm,v 1.36 2003/09/08 21:55:46 www 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: # (My Desk
29: #
30: # (Internal Server Error Handler
31: #
32: # (Login Screen
33: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
34: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
35: #
36: # 3/1/1 Gerd Kortemeyer)
37: #
38: # 3/1 Gerd Kortemeyer)
39: #
40: # 2/14,2/16,2/17,7/6 Gerd Kortemeyer
41: #
42: package Apache::loncreatecourse;
43:
44: use strict;
45: use Apache::Constants qw(:common :http);
46: use Apache::lonnet;
47: use Apache::loncommon;
48: use Apache::lonratedt;
49: use Apache::londocs;
50:
51: # -------------------------------------------- Return path to profile directory
52:
53: sub propath {
54: my ($udom,$uname)=@_;
55: $udom=~s/\W//g;
56: $uname=~s/\W//g;
57: my $subdir=$uname.'__';
58: $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
59: my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
60: return $proname;
61: }
62:
63: # ================================================ Get course directory listing
64:
65: sub crsdirlist {
66: my ($courseid,$which)=@_;
67: unless ($which) { $which=''; }
68: my %crsdata=&Apache::lonnet::coursedescription($courseid);
69: my @listing=&Apache::lonnet::dirlist
70: ($which,$crsdata{'domain'},$crsdata{'num'},
71: &propath($crsdata{'domain'},$crsdata{'num'}));
72: my @output=();
73: foreach (@listing) {
74: unless ($_=~/^\./) {
75: push (@output,(split(/\&/,$_))[0]);
76: }
77: }
78: return @output;
79: }
80:
81: # ============================================================= Read a userfile
82:
83: sub readfile {
84: my ($courseid,$which)=@_;
85: my %crsdata=&Apache::lonnet::coursedescription($courseid);
86: return &Apache::lonnet::getfile('/uploaded/'.$crsdata{'domain'}.'/'.
87: $crsdata{'num'}.'/'.$which);
88: }
89:
90: # ============================================================ Write a userfile
91:
92: sub writefile {
93: (my $courseid, my $which,$ENV{'form.output'})=@_;
94: my %crsdata=&Apache::lonnet::coursedescription($courseid);
95: return &Apache::lonnet::finishuserfileupload(
96: $crsdata{'num'},$crsdata{'domain'},
97: $crsdata{'home'},
98: 'output',$which);
99: }
100:
101: # ===================================================================== Rewrite
102:
103: sub rewritefile {
104: my ($contents,%rewritehash)=@_;
105: foreach (keys %rewritehash) {
106: my $pattern=$_;
107: $pattern=~s/(\W)/\\$1/gs;
108: my $new=$rewritehash{$_};
109: $contents=~s/$pattern/$new/gs;
110: }
111: return $contents;
112: }
113:
114: # ============================================================= Copy a userfile
115:
116: sub copyfile {
117: my ($origcrsid,$newcrsid,$which)=@_;
118: unless ($which=~/\.sequence$/) {
119: return &writefile($newcrsid,$which,
120: &readfile($origcrsid,$which));
121: } else {
122: my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
123: my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
124: return &writefile($newcrsid,$which,
125: &rewritefile(
126: &readfile($origcrsid,$which),
127: (
128: '/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'
129: => '/uploaded/'. $newcrsdata{'domain'}.'/'. $newcrsdata{'num'}.'/'
130: )));
131: }
132: }
133:
134: # =============================================================== Copy a dbfile
135:
136: sub copydb {
137: my ($origcrsid,$newcrsid,$which)=@_;
138: $which=~s/\.db$//;
139: my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
140: my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
141: my %data=&Apache::lonnet::dump
142: ($which,$origcrsdata{'domain'},$origcrsdata{'num'});
143: return &Apache::lonnet::put
144: ($which,\%data,$newcrsdata{'domain'},$newcrsdata{'num'});
145: }
146:
147: # ========================================================== Copy resourcesdata
148:
149: sub copyresourcedb {
150: my ($origcrsid,$newcrsid)=@_;
151: my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
152: my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
153: my %data=&Apache::lonnet::dump
154: ('resourcedata',$origcrsdata{'domain'},$origcrsdata{'num'});
155: $origcrsid=~s/^\///;
156: $origcrsid=~s/\//\_/;
157: $newcrsid=~s/^\///;
158: $newcrsid=~s/\//\_/;
159: my %newdata=();
160: undef %newdata;
161: my $startdate=$data{$origcrsid.'.0.opendate'};
162: my $today=time;
163: my $delta=0;
164: if ($startdate) {
165: my $oneday=60*60*24;
166: $delta=$today-$startdate;
167: $delta=int($delta/$oneday)*$oneday;
168: }
169: # ugly retro fix for broken version of types
170: foreach (keys %data) {
171: if ($_=~/\wtype$/) {
172: my $newkey=$_;
173: $newkey=~s/type$/\.type/;
174: $data{$newkey}=$data{$_};
175: delete $data{$_};
176: }
177: }
178: # adjust dates
179: foreach (keys %data) {
180: my $thiskey=$_;
181: $thiskey=~s/^$origcrsid/$newcrsid/;
182: $newdata{$thiskey}=$data{$_};
183: if ($data{$_.'.type'}=~/^date/) {
184: $newdata{$thiskey}=$newdata{$thiskey}+$delta;
185: }
186: }
187: return &Apache::lonnet::put
188: ('resourcedata',\%newdata,$newcrsdata{'domain'},$newcrsdata{'num'});
189: }
190:
191: # ========================================================== Copy all userfiles
192:
193: sub copyuserfiles {
194: my ($origcrsid,$newcrsid)=@_;
195: foreach (&crsdirlist($origcrsid,'userfiles')) {
196: ©file($origcrsid,$newcrsid,$_);
197: }
198: }
199: # ========================================================== Copy all userfiles
200:
201: sub copydbfiles {
202: my ($origcrsid,$newcrsid)=@_;
203: foreach (&crsdirlist($origcrsid)) {
204: if ($_=~/\.db$/) {
205: unless
206: ($_=~/^(nohist\_|discussiontimes|classlist|versionupdate|resourcedata)/) {
207: ©db($origcrsid,$newcrsid,$_);
208: }
209: }
210: }
211: }
212:
213: # ======================================================= Copy all course files
214:
215: sub copycoursefiles {
216: my ($origcrsid,$newcrsid)=@_;
217: ©userfiles($origcrsid,$newcrsid);
218: ©dbfiles($origcrsid,$newcrsid);
219: ©resourcedb($origcrsid,$newcrsid);
220: }
221:
222: # ===================================================== Phase one: fill-in form
223:
224: sub print_course_creation_page {
225: my $r=shift;
226: my $defdom=$ENV{'request.role.domain'};
227: my %host_servers = &Apache::loncommon::get_library_servers($defdom);
228: my $course_home = '<select name="course_home" size="1">'."\n";
229: foreach my $server (sort(keys(%host_servers))) {
230: $course_home .= qq{<option value="$server"};
231: if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
232: $course_home .= " selected ";
233: }
234: $course_home .= qq{>$server $host_servers{$server}</option>};
235: }
236: $course_home .= "\n</select>\n";
237: my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
238: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
239: my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
240: my $cloneform=&Apache::loncommon::select_dom_form
241: ($ENV{'request.role.domain'},'clonedomain').
242: &Apache::loncommon::selectcourse_link
243: ('ccrs','clonecourse','clonedomain');
244: my $coursebrowserjs=&Apache::loncommon::coursebrowser_javascript();
245: $r->print(<<ENDDOCUMENT);
246: <html>
247: <script language="JavaScript" type="text/javascript">
248: var editbrowser = null;
249: function openbrowser(formname,elementname) {
250: var url = '/res/?';
251: if (editbrowser == null) {
252: url += 'launch=1&';
253: }
254: url += 'catalogmode=interactive&';
255: url += 'mode=edit&';
256: url += 'form=' + formname + '&';
257: url += 'element=' + elementname + '&';
258: url += 'only=sequence' + '';
259: var title = 'Browser';
260: var options = 'scrollbars=1,resizable=1,menubar=0';
261: options += ',width=700,height=600';
262: editbrowser = open(url,title,options,'1');
263: editbrowser.focus();
264: }
265: </script>
266: $coursebrowserjs
267: <head>
268: <title>The LearningOnline Network with CAPA</title>
269: </head>
270: $bodytag
271: $helplink
272: <form action="/adm/createcourse" method="post" name="ccrs">
273: <h2>Course Information</h2>
274: <p>
275: <b>Course Title:</b>
276: <input type="text" size="50" name="title">
277: </p><p>
278: <b>Course Home Server:</b>$course_home
279: </p><p>
280: <b>Course ID/Number (optional)</b>
281: <input type="text" size="30" name="crsid">
282: </p>
283: <h2>Course Content</h2>
284: <table border="2">
285: <tr><th>Completely new course</th><th>Clone an existing course</th></tr>
286: <tr><td>
287: <p>
288: <b>Map:</b>
289: <input type="text" size="50" name="topmap">
290: <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
291: </p><p>
292: <b>Do NOT generate as standard course</b><br />
293: (only check if you know what you are doing):
294: <input type="checkbox" name="nonstandard">
295: </p>
296: <p>
297: <b>First Resource</b><br />(standard courses only):
298: <input type="radio" name="firstres" value="blank">Blank
299:
300: <input type="radio" name="firstres" value="syl" checked>Syllabus
301:
302: <input type="radio" name="firstres" value="nav">Navigate
303: </p>
304: </td><td>
305: Course ID: <input input type="text" size="25" name="clonecourse" value="" />
306: <br />
307: Domain:
308: $cloneform<br /> <br />
309: Additional settings, if specified below, will override cloned settings.
310: </td></tr>
311: </table>
312: <h2>Assessment Parameters</h2>
313: <p>
314: <b>Open all assessments: </b>
315: <input type="checkbox" name="openall" checked>
316: </p>
317: <h2>Messaging</h2>
318: <p>
319: <b>Set course policy feedback to Course Coordinator: </b>
320: <input type="checkbox" name="setpolicy" checked>
321: </p><p>
322: <b>Set content feedback to Course Coordinator: </b>
323: <input type="checkbox" name="setcontent" checked>
324: </p>
325: <h2>Communication</h2>
326: <p>
327: <b>Disable student resource discussion: </b>
328: <input type="checkbox" name="disresdis" /> <br />
329: <b>Disable student use of chatrooms: </b>
330: <input type="checkbox" name="disablechat" />
331: </p>
332: <h2>Access Control</h2>
333: <p>
334: <b>Students need access key to enter course: </b>
335: <input type="checkbox" name="setkeys" />
336: </p>
337: <h2>Course Coordinator</h2>
338: <p>
339: <b>Username:</b> <input type="text" size="15" name="ccuname" />
340: </p><p>
341: <b>Domain:</b> $domform
342: </p><p>
343: <b>Immediately expire own role as Course Coordinator:</b>
344: <input type="checkbox" name="expireown" checked>
345: </p><p>
346: <input type="hidden" name="phase" value="two" />
347: <input type="submit" value="Open Course">
348: </p>
349: </form>
350: </body>
351: </html>
352: ENDDOCUMENT
353: }
354:
355: # ====================================================== Phase two: make course
356:
357: sub create_course {
358: my $r=shift;
359: my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
360: my $ccuname=$ENV{'form.ccuname'};
361: my $ccdomain=$ENV{'form.ccdomain'};
362: $ccuname=~s/\W//g;
363: $ccdomain=~s/\W//g;
364: my $cdescr=$ENV{'form.title'};
365: my $curl=$ENV{'form.topmap'};
366: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
367: $r->print(<<ENDENHEAD);
368: <html>
369: <head>
370: <title>The LearningOnline Network with CAPA</title>
371: </head>
372: $bodytag
373: ENDENHEAD
374: #
375: # Verify data
376: #
377: # Check the veracity of the course coordinator
378: if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
379: $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
380: return;
381: }
382: # Check the proposed home server for the course
383: my %host_servers = &Apache::loncommon::get_library_servers
384: ($ENV{'request.role.domain'});
385: if (! exists($host_servers{$ENV{'form.course_home'}})) {
386: $r->print('Invalid home server for course: '.
387: $ENV{'form.course_home'}.'</body></html>');
388: return;
389: }
390: #
391: # Open course
392: #
393: my %cenv=();
394: my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
395: $cdescr,$curl,
396: $ENV{'form.course_home'},
397: $ENV{'form.nonstandard'});
398:
399: # Note: The testing routines depend on this being output; see
400: # Utils::Course. This needs to at least be output as a comment
401: # if anyone ever decides to not show this, and Utils::Course::new
402: # will need to be suitably modified.
403: $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
404: #
405: # Check if created correctly
406: #
407: my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
408: my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
409: $r->print('Created on: '.$crsuhome.'<br>');
410: #
411: # Are we cloning?
412: #
413: my $cloneid='';
414: if (($ENV{'form.clonecourse'}) && ($ENV{'form.clonedomain'})) {
415: $cloneid='/'.$ENV{'form.clonedomain'}.'/'.$ENV{'form.clonecourse'};
416: my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
417: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
418: if ($clonehome eq 'no_host') {
419: $r->print(
420: '<br /><font color="red">Attempting to clone non-existing course '.$cloneid.'</font>');
421: } else {
422: $r->print(
423: '<br /><font color="green">Cloning course from '.$clonehome.'</font>');
424: # Copy all files
425: ©coursefiles($cloneid,$courseid);
426: # Restore title
427: $cenv{'description'}=$cdescr;
428: $cenv{'clonedfrom'}=$cloneid;
429: }
430: }
431: #
432: # Set environment (will override cloned, if existing)
433: #
434: if ($ENV{'form.crsid'}) {
435: $cenv{'courseid'}=$ENV{'form.crsid'};
436: }
437: if (($ccdomain) && ($ccuname)) {
438: if ($ENV{'form.setpolicy'}) {
439: $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
440: }
441: if ($ENV{'form.setcontent'}) {
442: $cenv{'question.email'}=$ccuname.':'.$ccdomain;
443: }
444: }
445: if ($ENV{'form.setkeys'}) {
446: $cenv{'keyaccess'}='yes';
447: }
448: if ($ENV{'form.disresdis'}) {
449: $cenv{'pch.roles.denied'}='st';
450: }
451: if ($ENV{'form.disablechat'}) {
452: $cenv{'plc.roles.denied'}='st';
453: }
454:
455: # Record we've not yet viewed the Course Initialization Helper for this
456: # course
457: $cenv{'course.helper.not.run'} = 1;
458: #
459: # Use new Randomseed
460: #
461: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
462: #
463: # By default, use standard grading
464: $cenv{'grading'} = 'standard';
465:
466: $r->print('<br />Setting environment: '.
467: &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
468: #
469: # Open all assignments
470: #
471: if ($ENV{'form.openall'}) {
472: my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
473: my %storecontent = ($storeunder => time,
474: $storeunder.'.type' => 'date_start');
475:
476: $r->print('Opening all assignments: '.&Apache::lonnet::cput
477: ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
478: }
479: #
480: # Set first page
481: #
482: unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
483: $r->print('Setting first resource: ');
484: my ($errtext,$fatal)=
485: &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
486: $r->print(($fatal?$errtext:'read ok').' - ');
487: my $title; my $url;
488: if ($ENV{'form.firstres'} eq 'syl') {
489: $title='Syllabus';
490: $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
491: } else {
492: $title='Navigate Contents';
493: $url='/adm/navmaps';
494: }
495: $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
496: ($errtext,$fatal)=
497: &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
498: $r->print(($fatal?$errtext:'write ok').'<br>');
499: }
500: #
501: # Make current user course adminstrator
502: #
503: my $end=undef;
504: my $addition='';
505: if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
506: $r->print('Assigning '.$addition.' role of course coordinator to self: '.
507: &Apache::lonnet::assignrole(
508: $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
509: #
510: # Make additional user course administrator
511: #
512: if (($ccdomain) && ($ccuname)) {
513: $r->print('Assigning role of course coordinator to '.
514: $ccuname.' at '.$ccdomain.': '.
515: &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
516: }
517: if ($ENV{'form.setkeys'}) {
518: $r->print(
519: '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
520: }
521: $r->print('<p>Roles will be active at next login.</p></body></html>');
522: }
523:
524: # ===================================================================== Handler
525: sub handler {
526: my $r = shift;
527:
528: if ($r->header_only) {
529: $r->content_type('text/html');
530: $r->send_http_header;
531: return OK;
532: }
533:
534: if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
535: $r->content_type('text/html');
536: $r->send_http_header;
537:
538: if ($ENV{'form.phase'} eq 'two') {
539: &create_course($r);
540: } else {
541: &print_course_creation_page($r);
542: }
543: } else {
544: $ENV{'user.error.msg'}=
545: "/adm/createcourse:ccc:0:0:Cannot create courses";
546: return HTTP_NOT_ACCEPTABLE;
547: }
548: return OK;
549: }
550:
551: 1;
552: __END__
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