1: # The LearningOnline Network
2: # Create a course
3: #
4: # $Id: loncreatecourse.pm,v 1.33 2003/09/03 21:24:32 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 all userfiles
122:
123: sub copyuserfiles {
124: my ($origcrsid,$newcrsid)=@_;
125: foreach (&crsdirlist($origcrsid,'userfiles')) {
126: ©file($origcrsid,$newcrsid,$_);
127: }
128: }
129: # ========================================================== Copy all userfiles
130:
131: sub copydbfiles {
132: my ($origcrsid,$newcrsid)=@_;
133: foreach (&crsdirlist($origcrsid)) {
134: if ($_=~/\.db$/) {
135: unless
136: ($_=~/^(nohist\_|discussiontimes|classlist|versionupdate)/) {
137: ©db($origcrsid,$newcrsid,$_);
138: }
139: }
140: }
141: }
142:
143: # ======================================================= Copy all course files
144:
145: sub copycoursefiles {
146: my ($origcrsid,$newcrsid)=@_;
147: ©userfiles($origcrsid,$newcrsid);
148: ©dbfiles($origcrsid,$newcrsid);
149: }
150:
151: # ===================================================== Phase one: fill-in form
152:
153: sub print_course_creation_page {
154: my $r=shift;
155: my $defdom=$ENV{'request.role.domain'};
156: my %host_servers = &Apache::loncommon::get_library_servers($defdom);
157: my $course_home = '<select name="course_home" size="1">'."\n";
158: foreach my $server (sort(keys(%host_servers))) {
159: $course_home .= qq{<option value="$server"};
160: if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
161: $course_home .= " selected ";
162: }
163: $course_home .= qq{>$server $host_servers{$server}</option>};
164: }
165: $course_home .= "\n</select>\n";
166: my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
167: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
168: my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
169: my $cloneform=&Apache::loncommon::select_dom_form
170: ($ENV{'request.role.domain'},'clonedomain').
171: &Apache::loncommon::selectcourse_link
172: ('ccrs','clonecourse','clonedomain');
173: my $coursebrowserjs=&Apache::loncommon::coursebrowser_javascript();
174: $r->print(<<ENDDOCUMENT);
175: <html>
176: <script language="JavaScript" type="text/javascript">
177: var editbrowser = null;
178: function openbrowser(formname,elementname) {
179: var url = '/res/?';
180: if (editbrowser == null) {
181: url += 'launch=1&';
182: }
183: url += 'catalogmode=interactive&';
184: url += 'mode=edit&';
185: url += 'form=' + formname + '&';
186: url += 'element=' + elementname + '&';
187: url += 'only=sequence' + '';
188: var title = 'Browser';
189: var options = 'scrollbars=1,resizable=1,menubar=0';
190: options += ',width=700,height=600';
191: editbrowser = open(url,title,options,'1');
192: editbrowser.focus();
193: }
194: </script>
195: $coursebrowserjs
196: <head>
197: <title>The LearningOnline Network with CAPA</title>
198: </head>
199: $bodytag
200: $helplink
201: <form action="/adm/createcourse" method="post" name="ccrs">
202: <h2>Course Information</h2>
203: <p>
204: <b>Course Title:</b>
205: <input type="text" size="50" name="title">
206: </p><p>
207: <b>Course Home Server:</b>$course_home
208: </p><p>
209: <b>Course ID/Number (optional)</b>
210: <input type="text" size="30" name="crsid">
211: </p>
212: <h2>Course Content</h2>
213: <table border="2">
214: <tr><th>Completely new course</th><th>Clone an existing course</th></tr>
215: <tr><td>
216: <p>
217: <b>Map:</b>
218: <input type="text" size="50" name="topmap">
219: <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
220: </p><p>
221: <b>Do NOT generate as standard course</b><br />
222: (only check if you know what you are doing):
223: <input type="checkbox" name="nonstandard">
224: </p>
225: <p>
226: <b>First Resource</b><br />(standard courses only):
227: <input type="radio" name="firstres" value="blank">Blank
228:
229: <input type="radio" name="firstres" value="syl" checked>Syllabus
230:
231: <input type="radio" name="firstres" value="nav">Navigate
232: </p>
233: </td><td>
234: Course ID: <input input type="text" size="25" name="clonecourse" value="" />
235: <br />
236: Domain:
237: $cloneform<br /> <br />
238: Additional settings, if specified below, will override cloned settings.
239: </td></tr>
240: </table>
241: <h2>Assessment Parameters</h2>
242: <p>
243: <b>Open all assessments: </b>
244: <input type="checkbox" name="openall" checked>
245: </p>
246: <h2>Messaging</h2>
247: <p>
248: <b>Set course policy feedback to Course Coordinator: </b>
249: <input type="checkbox" name="setpolicy" checked>
250: </p><p>
251: <b>Set content feedback to Course Coordinator: </b>
252: <input type="checkbox" name="setcontent" checked>
253: </p>
254: <h2>Communication</h2>
255: <p>
256: <b>Disable student resource discussion: </b>
257: <input type="checkbox" name="disresdis" /> <br />
258: <b>Disable student use of chatrooms: </b>
259: <input type="checkbox" name="disablechat" />
260: </p>
261: <h2>Access Control</h2>
262: <p>
263: <b>Students need access key to enter course: </b>
264: <input type="checkbox" name="setkeys" />
265: </p>
266: <h2>Course Coordinator</h2>
267: <p>
268: <b>Username:</b> <input type="text" size="15" name="ccuname" />
269: </p><p>
270: <b>Domain:</b> $domform
271: </p><p>
272: <b>Immediately expire own role as Course Coordinator:</b>
273: <input type="checkbox" name="expireown" checked>
274: </p><p>
275: <input type="hidden" name="phase" value="two" />
276: <input type="submit" value="Open Course">
277: </p>
278: </form>
279: </body>
280: </html>
281: ENDDOCUMENT
282: }
283:
284: # ====================================================== Phase two: make course
285:
286: sub create_course {
287: my $r=shift;
288: my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
289: my $ccuname=$ENV{'form.ccuname'};
290: my $ccdomain=$ENV{'form.ccdomain'};
291: $ccuname=~s/\W//g;
292: $ccdomain=~s/\W//g;
293: my $cdescr=$ENV{'form.title'};
294: my $curl=$ENV{'form.topmap'};
295: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
296: $r->print(<<ENDENHEAD);
297: <html>
298: <head>
299: <title>The LearningOnline Network with CAPA</title>
300: </head>
301: $bodytag
302: ENDENHEAD
303: #
304: # Verify data
305: #
306: # Check the veracity of the course coordinator
307: if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
308: $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
309: return;
310: }
311: # Check the proposed home server for the course
312: my %host_servers = &Apache::loncommon::get_library_servers
313: ($ENV{'request.role.domain'});
314: if (! exists($host_servers{$ENV{'form.course_home'}})) {
315: $r->print('Invalid home server for course: '.
316: $ENV{'form.course_home'}.'</body></html>');
317: return;
318: }
319: #
320: # Open course
321: #
322: my %cenv=();
323: my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
324: $cdescr,$curl,
325: $ENV{'form.course_home'},
326: $ENV{'form.nonstandard'});
327:
328: # Note: The testing routines depend on this being output; see
329: # Utils::Course. This needs to at least be output as a comment
330: # if anyone ever decides to not show this, and Utils::Course::new
331: # will need to be suitably modified.
332: $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
333: #
334: # Check if created correctly
335: #
336: my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
337: my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
338: $r->print('Created on: '.$crsuhome.'<br>');
339: #
340: # Are we cloning?
341: #
342: my $cloneid='';
343: if (($ENV{'form.clonecourse'}) && ($ENV{'form.clonedomain'})) {
344: $cloneid='/'.$ENV{'form.clonedomain'}.'/'.$ENV{'form.clonecourse'};
345: my ($clonecrsudom,$clonecrsunum)=($cloneid=~/^\/(\w+)\/(\w+)$/);
346: my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
347: if ($clonehome eq 'no_host') {
348: $r->print(
349: '<br /><font color="red">Attempting to clone non-existing course '.$cloneid.'</font>');
350: } else {
351: $r->print(
352: '<br /><font color="green">Cloning course from '.$clonehome.'</font>');
353: # Copy all files
354: ©coursefiles($cloneid,$courseid);
355: # Restore title
356: $cenv{'description'}=$cdescr;
357: }
358: }
359: #
360: # Set environment (will override cloned, if existing)
361: #
362: if ($ENV{'form.crsid'}) {
363: $cenv{'courseid'}=$ENV{'form.crsid'};
364: }
365: if (($ccdomain) && ($ccuname)) {
366: if ($ENV{'form.setpolicy'}) {
367: $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
368: }
369: if ($ENV{'form.setcontent'}) {
370: $cenv{'question.email'}=$ccuname.':'.$ccdomain;
371: }
372: }
373: if ($ENV{'form.setkeys'}) {
374: $cenv{'keyaccess'}='yes';
375: }
376: if ($ENV{'form.disresdis'}) {
377: $cenv{'pch.roles.denied'}='st';
378: }
379: if ($ENV{'form.disablechat'}) {
380: $cenv{'plc.roles.denied'}='st';
381: }
382:
383: # Record we've not yet viewed the Course Initialization Helper for this
384: # course
385: $cenv{'course.helper.not.run'} = 1;
386: #
387: # Use new Randomseed
388: #
389: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
390: #
391: # By default, use standard grading
392: $cenv{'grading'} = 'standard';
393:
394: $r->print('<br />Setting environment: '.
395: &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
396: #
397: # Open all assignments
398: #
399: if ($ENV{'form.openall'}) {
400: my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
401: my %storecontent = ($storeunder => time,
402: $storeunder.'.type' => 'date_start');
403:
404: $r->print('Opening all assignments: '.&Apache::lonnet::cput
405: ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
406: }
407: #
408: # Set first page
409: #
410: unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
411: $r->print('Setting first resource: ');
412: my ($errtext,$fatal)=
413: &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
414: $r->print(($fatal?$errtext:'read ok').' - ');
415: my $title; my $url;
416: if ($ENV{'form.firstres'} eq 'syl') {
417: $title='Syllabus';
418: $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
419: } else {
420: $title='Navigate Contents';
421: $url='/adm/navmaps';
422: }
423: $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
424: ($errtext,$fatal)=
425: &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
426: $r->print(($fatal?$errtext:'write ok').'<br>');
427: }
428: #
429: # Make current user course adminstrator
430: #
431: my $end=undef;
432: my $addition='';
433: if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
434: $r->print('Assigning '.$addition.' role of course coordinator to self: '.
435: &Apache::lonnet::assignrole(
436: $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
437: #
438: # Make additional user course administrator
439: #
440: if (($ccdomain) && ($ccuname)) {
441: $r->print('Assigning role of course coordinator to '.
442: $ccuname.' at '.$ccdomain.': '.
443: &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
444: }
445: if ($ENV{'form.setkeys'}) {
446: $r->print(
447: '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
448: }
449: $r->print('<p>Roles will be active at next login.</p></body></html>');
450: }
451:
452: # ===================================================================== Handler
453: sub handler {
454: my $r = shift;
455:
456: if ($r->header_only) {
457: $r->content_type('text/html');
458: $r->send_http_header;
459: return OK;
460: }
461:
462: if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
463: $r->content_type('text/html');
464: $r->send_http_header;
465:
466: if ($ENV{'form.phase'} eq 'two') {
467: &create_course($r);
468: } else {
469: &print_course_creation_page($r);
470: }
471: } else {
472: $ENV{'user.error.msg'}=
473: "/adm/createcourse:ccc:0:0:Cannot create courses";
474: return HTTP_NOT_ACCEPTABLE;
475: }
476: return OK;
477: }
478:
479: 1;
480: __END__
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