1: # The LearningOnline Network
2: # Create a course
3: #
4: # $Id: loncreatecourse.pm,v 1.30 2003/09/02 15:21:42 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: # ===================================================== Phase one: fill-in form
144:
145: sub print_course_creation_page {
146: my $r=shift;
147: my $defdom=$ENV{'request.role.domain'};
148: my %host_servers = &Apache::loncommon::get_library_servers($defdom);
149: my $course_home = '<select name="course_home" size="1">'."\n";
150: foreach my $server (sort(keys(%host_servers))) {
151: $course_home .= qq{<option value="$server"};
152: if ($server eq $Apache::lonnet::perlvar{'lonHostID'}) {
153: $course_home .= " selected ";
154: }
155: $course_home .= qq{>$server $host_servers{$server}</option>};
156: }
157: $course_home .= "\n</select>\n";
158: my $domform = &Apache::loncommon::select_dom_form($defdom,'ccdomain');
159: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
160: my $helplink=&Apache::loncommon::help_open_topic('Create_Course','Help on Creating Courses');
161: $r->print(<<ENDDOCUMENT);
162: <html>
163: <script language="JavaScript" type="text/javascript">
164: var editbrowser = null;
165: function openbrowser(formname,elementname) {
166: var url = '/res/?';
167: if (editbrowser == null) {
168: url += 'launch=1&';
169: }
170: url += 'catalogmode=interactive&';
171: url += 'mode=edit&';
172: url += 'form=' + formname + '&';
173: url += 'element=' + elementname + '&';
174: url += 'only=sequence' + '';
175: var title = 'Browser';
176: var options = 'scrollbars=1,resizable=1,menubar=0';
177: options += ',width=700,height=600';
178: editbrowser = open(url,title,options,'1');
179: editbrowser.focus();
180: }
181: </script>
182: <head>
183: <title>The LearningOnline Network with CAPA</title>
184: </head>
185: $bodytag
186: $helplink
187: <form action="/adm/createcourse" method="post" name="ccrs">
188: <h2>Course Information</h2>
189: <p>
190: <b>Course Title:</b>
191: <input type="text" size="50" name="title">
192: </p><p>
193: <b>Course Home Server:</b>$course_home
194: </p><p>
195: <b>Course ID/Number (optional)</b>
196: <input type="text" size="30" name="crsid">
197: </p>
198: <h2>Course Content</h2>
199: <p>
200: <b>Map:</b>
201: <input type="text" size="50" name="topmap">
202: <a href="javascript:openbrowser('ccrs','topmap')">Select Map</a>
203: </p><p>
204: <b>Do NOT generate as standard course</b>
205: (only check if you know what you are doing):
206: <input type="checkbox" name="nonstandard">
207: </p>
208: <p>
209: <b>First Resource</b> (standard courses only):
210: <input type="radio" name="firstres" value="blank">Blank
211:
212: <input type="radio" name="firstres" value="syl" checked>Syllabus
213:
214: <input type="radio" name="firstres" value="nav">Navigate
215: </p>
216:
217: <h2>Assessment Parameters</h2>
218: <p>
219: <b>Open all assessments: </b>
220: <input type="checkbox" name="openall" checked>
221: </p>
222: <h2>Messaging</h2>
223: <p>
224: <b>Set course policy feedback to Course Coordinator: </b>
225: <input type="checkbox" name="setpolicy" checked>
226: </p><p>
227: <b>Set content feedback to Course Coordinator: </b>
228: <input type="checkbox" name="setcontent" checked>
229: </p>
230: <h2>Communication</h2>
231: <p>
232: <b>Disable student resource discussion: </b>
233: <input type="checkbox" name="disresdis" /> <br />
234: <b>Disable student use of chatrooms: </b>
235: <input type="checkbox" name="disablechat" />
236: </p>
237: <h2>Access Control</h2>
238: <p>
239: <b>Students need access key to enter course: </b>
240: <input type="checkbox" name="setkeys" />
241: </p>
242: <h2>Course Coordinator</h2>
243: <p>
244: <b>Username:</b> <input type="text" size="15" name="ccuname" />
245: </p><p>
246: <b>Domain:</b> $domform
247: </p><p>
248: <b>Immediately expire own role as Course Coordinator:</b>
249: <input type="checkbox" name="expireown" checked>
250: </p><p>
251: <input type="hidden" name="phase" value="two" />
252: <input type="submit" value="Open Course">
253: </p>
254: </form>
255: </body>
256: </html>
257: ENDDOCUMENT
258: }
259:
260: # ====================================================== Phase two: make course
261:
262: sub create_course {
263: my $r=shift;
264: my $topurl='/res/'.&Apache::lonnet::declutter($ENV{'form.topmap'});
265: my $ccuname=$ENV{'form.ccuname'};
266: my $ccdomain=$ENV{'form.ccdomain'};
267: $ccuname=~s/\W//g;
268: $ccdomain=~s/\W//g;
269: my $cdescr=$ENV{'form.title'};
270: my $curl=$ENV{'form.topmap'};
271: my $bodytag=&Apache::loncommon::bodytag('Create a New Course');
272: $r->print(<<ENDENHEAD);
273: <html>
274: <head>
275: <title>The LearningOnline Network with CAPA</title>
276: </head>
277: $bodytag
278: ENDENHEAD
279: #
280: # Verify data
281: #
282: # Check the veracity of the course coordinator
283: if (&Apache::lonnet::homeserver($ccuname,$ccdomain) eq 'no_host') {
284: $r->print('No such user '.$ccuname.' at '.$ccdomain.'</body></html>');
285: return;
286: }
287: # Check the proposed home server for the course
288: my %host_servers = &Apache::loncommon::get_library_servers
289: ($ENV{'request.role.domain'});
290: if (! exists($host_servers{$ENV{'form.course_home'}})) {
291: $r->print('Invalid home server for course: '.
292: $ENV{'form.course_home'}.'</body></html>');
293: return;
294: }
295: #
296: # Open course
297: #
298: my $courseid=&Apache::lonnet::createcourse($ENV{'request.role.domain'},
299: $cdescr,$curl,
300: $ENV{'form.course_home'},
301: $ENV{'form.nonstandard'});
302:
303: # Note: The testing routines depend on this being output; see
304: # Utils::Course. This needs to at least be output as a comment
305: # if anyone ever decides to not show this, and Utils::Course::new
306: # will need to be suitably modified.
307: $r->print('New LON-CAPA Course ID: '.$courseid.'<br>');
308: #
309: # Check if created correctly
310: #
311: my ($crsudom,$crsunum)=($courseid=~/^\/(\w+)\/(\w+)$/);
312: my $crsuhome=&Apache::lonnet::homeserver($crsunum,$crsudom);
313: $r->print('Created on: '.$crsuhome.'<br>');
314: #
315: # Set environment
316: #
317: my %cenv=();
318: my $envflag=0;
319: if ($ENV{'form.crsid'}) {
320: $envflag=1;
321: $cenv{'courseid'}=$ENV{'form.crsid'};
322: }
323: if (($ccdomain) && ($ccuname)) {
324: if ($ENV{'form.setpolicy'}) {
325: $envflag=1;
326: $cenv{'policy.email'}=$ccuname.':'.$ccdomain;
327: }
328: if ($ENV{'form.setcontent'}) {
329: $envflag=1;
330: $cenv{'question.email'}=$ccuname.':'.$ccdomain;
331: }
332: }
333: if ($ENV{'form.setkeys'}) {
334: $envflag=1;
335: $cenv{'keyaccess'}='yes';
336: }
337: if ($ENV{'form.disresdis'}) {
338: $envflag=1;
339: $cenv{'pch.roles.denied'}='st';
340: }
341: if ($ENV{'form.disablechat'}) {
342: $envflag=1;
343: $cenv{'plc.roles.denied'}='st';
344: }
345:
346: # Record we've not yet viewed the Course Initialization Helper for this course
347: $cenv{'course.helper.not.run'} = 1;
348: #
349: # Use new Randomseed
350: #
351: $envflag=1;
352: $cenv{'rndseed'}=&Apache::lonnet::latest_rnd_algorithm_id();;
353: #
354: # By default, use standard grading
355: $cenv{'grading'} = 'standard';
356:
357: if ($envflag) {
358: $r->print('Setting environment: '.
359: &Apache::lonnet::put('environment',\%cenv,$crsudom,$crsunum).'<br>');
360: }
361: #
362: # Open all assignments
363: #
364: if ($ENV{'form.openall'}) {
365: my $storeunder=$crsudom.'_'.$crsunum.'.0.opendate';
366: my %storecontent = ($storeunder => time,
367: $storeunder.'type' => 'date_start');
368:
369: $r->print('Opening all assignments: '.&Apache::lonnet::cput
370: ('resourcedata',\%storecontent,$crsudom,$crsunum).'<br>');
371: }
372: #
373: # Set first page
374: #
375: unless (($ENV{'form.nonstandard'}) || ($ENV{'form.firstres'} eq 'blank')) {
376: $r->print('Setting first resource: ');
377: my ($errtext,$fatal)=
378: &Apache::londocs::mapread($crsunum,$crsudom,'default.sequence');
379: $r->print(($fatal?$errtext:'read ok').' - ');
380: my $title; my $url;
381: if ($ENV{'form.firstres'} eq 'syl') {
382: $title='Syllabus';
383: $url='/public/'.$crsudom.'/'.$crsunum.'/syllabus';
384: } else {
385: $title='Navigate Contents';
386: $url='/adm/navmaps';
387: }
388: $Apache::lonratedt::resources[1]=$title.':'.$url.':false:start:res';
389: ($errtext,$fatal)=
390: &Apache::londocs::storemap($crsunum,$crsudom,'default.sequence');
391: $r->print(($fatal?$errtext:'write ok').'<br>');
392: }
393: #
394: # Make current user course adminstrator
395: #
396: my $end=undef;
397: my $addition='';
398: if ($ENV{'form.expireown'}) { $end=time+5; $addition='expired'; }
399: $r->print('Assigning '.$addition.' role of course coordinator to self: '.
400: &Apache::lonnet::assignrole(
401: $ENV{'user.domain'},$ENV{'user.name'},$courseid,'cc',$end).'<br>');
402: #
403: # Make additional user course administrator
404: #
405: if (($ccdomain) && ($ccuname)) {
406: $r->print('Assigning role of course coordinator to '.
407: $ccuname.' at '.$ccdomain.': '.
408: &Apache::lonnet::assignrole($ccdomain,$ccuname,$courseid,'cc').'<p>');
409: }
410: if ($ENV{'form.setkeys'}) {
411: $r->print(
412: '<p><a href="/adm/managekeys?cid='.$crsudom.'_'.$crsunum.'">Manage Access Keys</a></p>');
413: }
414: $r->print('<p>Roles will be active at next login.</p></body></html>');
415: }
416:
417: # ===================================================================== Handler
418: sub handler {
419: my $r = shift;
420:
421: if ($r->header_only) {
422: $r->content_type('text/html');
423: $r->send_http_header;
424: return OK;
425: }
426:
427: if (&Apache::lonnet::allowed('ccc',$ENV{'request.role.domain'})) {
428: $r->content_type('text/html');
429: $r->send_http_header;
430:
431: if ($ENV{'form.phase'} eq 'two') {
432: &create_course($r);
433: } else {
434: &print_course_creation_page($r);
435: }
436: } else {
437: $ENV{'user.error.msg'}=
438: "/adm/createcourse:ccc:0:0:Cannot create courses";
439: return HTTP_NOT_ACCEPTABLE;
440: }
441: return OK;
442: }
443:
444: 1;
445: __END__
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