1: # The LearningOnline Network
2: # Create a course
3: #
4: # $Id: loncreatecourse.pm,v 1.35 2003/09/03 23:15:27 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: # ============================================================= Copy a userfile
102:
103: sub copyfile {
104: my ($origcrsid,$newcrsid,$which)=@_;
105: return &writefile($newcrsid,$which,&readfile($origcrsid,$which));
106: }
107:
108: # =============================================================== Copy a dbfile
109:
110: sub copydb {
111: my ($origcrsid,$newcrsid,$which)=@_;
112: $which=~s/\.db$//;
113: my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
114: my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
115: my %data=&Apache::lonnet::dump
116: ($which,$origcrsdata{'domain'},$origcrsdata{'num'});
117: return &Apache::lonnet::put
118: ($which,\%data,$newcrsdata{'domain'},$newcrsdata{'num'});
119: }
120:
121: # ========================================================== Copy resourcesdata
122:
123: sub copyresourcedb {
124: my ($origcrsid,$newcrsid)=@_;
125: my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
126: my %newcrsdata= &Apache::lonnet::coursedescription($newcrsid);
127: my %data=&Apache::lonnet::dump
128: ('resourcedata',$origcrsdata{'domain'},$origcrsdata{'num'});
129: $origcrsid=~s/^\///;
130: $origcrsid=~s/\//\_/;
131: $newcrsid=~s/^\///;
132: $newcrsid=~s/\//\_/;
133: my %newdata=();
134: undef %newdata;
135: my $startdate=$data{$origcrsid.'.0.opendate'};
136: my $today=time;
137: my $delta=0;
138: if ($startdate) {
139: my $oneday=60*60*24;
140: $delta=$today-$startdate;
141: $delta=int($delta/$oneday)*$oneday;
142: }
143: # ugly retro fix for broken version of types
144: foreach (keys %data) {
145: if ($_=~/\wtype$/) {
146: my $newkey=$_;
147: $newkey=~s/type$/\.type/;
148: $data{$newkey}=$data{$_};
149: delete $data{$_};
150: }
151: }
152: # adjust dates
153: foreach (keys %data) {
154: my $thiskey=$_;
155: $thiskey=~s/^$origcrsid/$newcrsid/;
156: $newdata{$thiskey}=$data{$_};
157: if ($data{$_.'.type'}=~/^date/) {
158: $newdata{$thiskey}=$newdata{$thiskey}+$delta;
159: }
160: }
161: return &Apache::lonnet::put
162: ('resourcedata',\%newdata,$newcrsdata{'domain'},$newcrsdata{'num'});
163: }
164:
165: # ========================================================== Copy all userfiles
166:
167: sub copyuserfiles {
168: my ($origcrsid,$newcrsid)=@_;
169: foreach (&crsdirlist($origcrsid,'userfiles')) {
170: ©file($origcrsid,$newcrsid,$_);
171: }
172: }
173: # ========================================================== Copy all userfiles
174:
175: sub copydbfiles {
176: my ($origcrsid,$newcrsid)=@_;
177: foreach (&crsdirlist($origcrsid)) {
178: if ($_=~/\.db$/) {
179: unless
180: ($_=~/^(nohist\_|discussiontimes|classlist|versionupdate|resourcedata)/) {
181: ©db($origcrsid,$newcrsid,$_);
182: }
183: }
184: }
185: }
186:
187: # ======================================================= Copy all course files
188:
189: sub copycoursefiles {
190: my ($origcrsid,$newcrsid)=@_;
191: ©userfiles($origcrsid,$newcrsid);
192: ©dbfiles($origcrsid,$newcrsid);
193: ©resourcedb($origcrsid,$newcrsid);
194: }
195:
196: # ===================================================== Phase one: fill-in form
197:
198: sub print_course_creation_page {
199: my $r=shift;
200: my $defdom=$ENV{'request.role.domain'};
201: my %host_servers = &Apache::loncommon::get_library_servers($defdom);
202: my $course_home = '<select name="course_home" size="1">'."\n";
203: foreach my $server (sort(keys(%host_servers))) {
204: $course_home .= qq{<option value="$server"};
205: if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
206: $course_home .= " selected ";
207: }
208: $course_home .= qq{>$server $host_servers{$server}</option>};
209: }
210: $course_home .= "\n</select>\n";
211: my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
212: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
213: my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
214: my $cloneform=&Apache::loncommon::select_dom_form
215: ($ENV{'request.role.domain'},'clonedomain').
216: &Apache::loncommon::selectcourse_link
217: ('ccrs','clonecourse','clonedomain');
218: my $coursebrowserjs=&Apache::loncommon::coursebrowser_javascript();
219: $r->print(<<ENDDOCUMENT);
220: <html>
221: <script language="JavaScript" type="text/javascript">
222: var editbrowser = null;
223: function openbrowser(formname,elementname) {
224: var url = '/res/?';
225: if (editbrowser == null) {
226: url += 'launch=1&';
227: }
228: url += 'catalogmode=interactive&';
229: url += 'mode=edit&';
230: url += 'form=' + formname + '&';
231: url += 'element=' + elementname + '&';
232: url += 'only=sequence' + '';
233: var title = 'Browser';
234: var options = 'scrollbars=1,resizable=1,menubar=0';
235: options += ',width=700,height=600';
236: editbrowser = open(url,title,options,'1');
237: editbrowser.focus();
238: }
239: </script>
240: $coursebrowserjs
241: <head>
242: <title>The LearningOnline Network with CAPA</title>
243: </head>
244: $bodytag
245: $helplink
246: <form action="/adm/createcourse" method="post" name="ccrs">
247: <h2>Course Information</h2>
248: <p>
249: <b>Course Title:</b>
250: <input type="text" size="50" name="title">
251: </p><p>
252: <b>Course Home Server:</b>$course_home
253: </p><p>
254: <b>Course ID/Number (optional)</b>
255: <input type="text" size="30" name="crsid">
256: </p>
257: <h2>Course Content</h2>
258: <table border="2">
259: <tr><th>Completely new course</th><th>Clone an existing course</th></tr>
260: <tr><td>
261: <p>
262: <b>Map:</b>
263: <input type="text" size="50" name="topmap">
264: <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
265: </p><p>
266: <b>Do NOT generate as standard course</b><br />
267: (only check if you know what you are doing):
268: <input type="checkbox" name="nonstandard">
269: </p>
270: <p>
271: <b>First Resource</b><br />(standard courses only):
272: <input type="radio" name="firstres" value="blank">Blank
273:
274: <input type="radio" name="firstres" value="syl" checked>Syllabus
275:
276: <input type="radio" name="firstres" value="nav">Navigate
277: </p>
278: </td><td>
279: Course ID: <input input type="text" size="25" name="clonecourse" value="" />
280: <br />
281: Domain:
282: $cloneform<br /> <br />
283: Additional settings, if specified below, will override cloned settings.
284: </td></tr>
285: </table>
286: <h2>Assessment Parameters</h2>
287: <p>
288: <b>Open all assessments: </b>
289: <input type="checkbox" name="openall" checked>
290: </p>
291: <h2>Messaging</h2>
292: <p>
293: <b>Set course policy feedback to Course Coordinator: </b>
294: <input type="checkbox" name="setpolicy" checked>
295: </p><p>
296: <b>Set content feedback to Course Coordinator: </b>
297: <input type="checkbox" name="setcontent" checked>
298: </p>
299: <h2>Communication</h2>
300: <p>
301: <b>Disable student resource discussion: </b>
302: <input type="checkbox" name="disresdis" /> <br />
303: <b>Disable student use of chatrooms: </b>
304: <input type="checkbox" name="disablechat" />
305: </p>
306: <h2>Access Control</h2>
307: <p>
308: <b>Students need access key to enter course: </b>
309: <input type="checkbox" name="setkeys" />
310: </p>
311: <h2>Course Coordinator</h2>
312: <p>
313: <b>Username:</b> <input type="text" size="15" name="ccuname" />
314: </p><p>
315: <b>Domain:</b> $domform
316: </p><p>
317: <b>Immediately expire own role as Course Coordinator:</b>
318: <input type="checkbox" name="expireown" checked>
319: </p><p>
320: <input type="hidden" name="phase" value="two" />
321: <input type="submit" value="Open Course">
322: </p>
323: </form>
324: </body>
325: </html>
326: ENDDOCUMENT
327: }
328:
329: # ====================================================== Phase two: make course
330:
331: sub create_course {
332: my $r=shift;
333: my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
334: my $ccuname=$ENV{'form.ccuname'};
335: my $ccdomain=$ENV{'form.ccdomain'};
336: $ccuname=~s/\W//g;
337: $ccdomain=~s/\W//g;
338: my $cdescr=$ENV{'form.title'};
339: my $curl=$ENV{'form.topmap'};
340: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
341: $r->print(<<ENDENHEAD);
342: <html>
343: <head>
344: <title>The LearningOnline Network with CAPA</title>
345: </head>
346: $bodytag
347: ENDENHEAD
348: #
349: # Verify data
350: #
351: # Check the veracity of the course coordinator
352: if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
353: $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
354: return;
355: }
356: # Check the proposed home server for the course
357: my %host_servers = &Apache::loncommon::get_library_servers
358: ($ENV{'request.role.domain'});
359: if (! exists($host_servers{$ENV{'form.course_home'}})) {
360: $r->print('Invalid home server for course: '.
361: $ENV{'form.course_home'}.'</body></html>');
362: return;
363: }
364: #
365: # Open course
366: #
367: my %cenv=();
368: my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
369: $cdescr,$curl,
370: $ENV{'form.course_home'},
371: $ENV{'form.nonstandard'});
372:
373: # Note: The testing routines depend on this being output; see
374: # Utils::Course. This needs to at least be output as a comment
375: # if anyone ever decides to not show this, and Utils::Course::new
376: # will need to be suitably modified.
377: $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
378: #
379: # Check if created correctly
380: #
381: my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
382: my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
383: $r->print('Created on: '.$crsuhome.'<br>');
384: #
385: # Are we cloning?
386: #
387: my $cloneid='';
388: if (($ENV{'form.clonecourse'}) && ($ENV{'form.clonedomain'})) {
389: $cloneid='/'.$ENV{'form.clonedomain'}.'/'.$ENV{'form.clonecourse'};
390: my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
391: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
392: if ($clonehome eq 'no_host') {
393: $r->print(
394: '<br /><font color="red">Attempting to clone non-existing course '.$cloneid.'</font>');
395: } else {
396: $r->print(
397: '<br /><font color="green">Cloning course from '.$clonehome.'</font>');
398: # Copy all files
399: ©coursefiles($cloneid,$courseid);
400: # Restore title
401: $cenv{'description'}=$cdescr;
402: $cenv{'clonedfrom'}=$cloneid;
403: }
404: }
405: #
406: # Set environment (will override cloned, if existing)
407: #
408: if ($ENV{'form.crsid'}) {
409: $cenv{'courseid'}=$ENV{'form.crsid'};
410: }
411: if (($ccdomain) && ($ccuname)) {
412: if ($ENV{'form.setpolicy'}) {
413: $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
414: }
415: if ($ENV{'form.setcontent'}) {
416: $cenv{'question.email'}=$ccuname.':'.$ccdomain;
417: }
418: }
419: if ($ENV{'form.setkeys'}) {
420: $cenv{'keyaccess'}='yes';
421: }
422: if ($ENV{'form.disresdis'}) {
423: $cenv{'pch.roles.denied'}='st';
424: }
425: if ($ENV{'form.disablechat'}) {
426: $cenv{'plc.roles.denied'}='st';
427: }
428:
429: # Record we've not yet viewed the Course Initialization Helper for this
430: # course
431: $cenv{'course.helper.not.run'} = 1;
432: #
433: # Use new Randomseed
434: #
435: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
436: #
437: # By default, use standard grading
438: $cenv{'grading'} = 'standard';
439:
440: $r->print('<br />Setting environment: '.
441: &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
442: #
443: # Open all assignments
444: #
445: if ($ENV{'form.openall'}) {
446: my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
447: my %storecontent = ($storeunder => time,
448: $storeunder.'.type' => 'date_start');
449:
450: $r->print('Opening all assignments: '.&Apache::lonnet::cput
451: ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
452: }
453: #
454: # Set first page
455: #
456: unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
457: $r->print('Setting first resource: ');
458: my ($errtext,$fatal)=
459: &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
460: $r->print(($fatal?$errtext:'read ok').' - ');
461: my $title; my $url;
462: if ($ENV{'form.firstres'} eq 'syl') {
463: $title='Syllabus';
464: $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
465: } else {
466: $title='Navigate Contents';
467: $url='/adm/navmaps';
468: }
469: $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
470: ($errtext,$fatal)=
471: &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
472: $r->print(($fatal?$errtext:'write ok').'<br>');
473: }
474: #
475: # Make current user course adminstrator
476: #
477: my $end=undef;
478: my $addition='';
479: if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
480: $r->print('Assigning '.$addition.' role of course coordinator to self: '.
481: &Apache::lonnet::assignrole(
482: $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
483: #
484: # Make additional user course administrator
485: #
486: if (($ccdomain) && ($ccuname)) {
487: $r->print('Assigning role of course coordinator to '.
488: $ccuname.' at '.$ccdomain.': '.
489: &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
490: }
491: if ($ENV{'form.setkeys'}) {
492: $r->print(
493: '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
494: }
495: $r->print('<p>Roles will be active at next login.</p></body></html>');
496: }
497:
498: # ===================================================================== Handler
499: sub handler {
500: my $r = shift;
501:
502: if ($r->header_only) {
503: $r->content_type('text/html');
504: $r->send_http_header;
505: return OK;
506: }
507:
508: if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
509: $r->content_type('text/html');
510: $r->send_http_header;
511:
512: if ($ENV{'form.phase'} eq 'two') {
513: &create_course($r);
514: } else {
515: &print_course_creation_page($r);
516: }
517: } else {
518: $ENV{'user.error.msg'}=
519: "/adm/createcourse:ccc:0:0:Cannot create courses";
520: return HTTP_NOT_ACCEPTABLE;
521: }
522: return OK;
523: }
524:
525: 1;
526: __END__
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