1: # The LearningOnline Network
2: # Syllabus
3: #
4: # $Id: lonsyllabus.pm,v 1.7 2002/08/28 14:11:27 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:
29: package Apache::lonsyllabus;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
36:
37: sub handler {
38: my $r = shift;
39: $r->content_type('text/html');
40: $r->send_http_header;
41: return OK if $r->header_only;
42:
43: # ------------------------------------------------------------ Print the screen
44: $r->print(<<ENDDOCUMENT);
45: <html>
46: <head>
47: <title>The LearningOnline Network with CAPA</title>
48: </head>
49: ENDDOCUMENT
50: my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
51: # Is this even a course?
52: my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
53: if ($homeserver eq 'no_host') {
54: $r->print('<body>No syllabus available</body>');
55: return OK;
56: }
57: # --------------------------------------------------------- The syllabus fields
58: my %syllabusfields=(
59: 'aaa_instructorinfo' => 'Instructor Information',
60: 'bbb_description' => 'Course Description',
61: 'ccc_prereq' => 'Prerequisites',
62: 'cdc_classhours' => 'Class Hours',
63: 'ddd_officehours' => 'Office Hours',
64: 'eee_helproom' => 'Helproom Hours',
65: 'efe_projectinfo' => 'Project Information',
66: 'fff_examinfo' => 'Exam Information',
67: 'fgf_deadlines' => 'Deadlines',
68: 'ggg_grading' => 'Grading Information',
69: 'hhh_readings' => 'Readings',
70: 'iii_coursepack' => 'Coursepack',
71: 'jjj_weblinks' => 'Web Links',
72: 'kkk_textbook' => 'Textbook');
73:
74: # --------------------------------------------------------------- Force Student
75: &Apache::loncommon::get_unprocessed_cgi
76: ($ENV{'QUERY_STRING'},['forcestudent']);
77: my $forcestudent='';
78: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
79:
80: # ------------------------------------- There is such a course, get environment
81: my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
82: $r->print(&Apache::loncommon::bodytag
83: ("Syllabus",$forcestudent,'','',$cdom));
84: $r->print('<h1>'.$courseenv{'description'}.'</h1><h3>'.
85: $Apache::lonnet::domaindescription{$cdom}.'</h3>');
86: my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
87: my $allowed=0;
88:
89: # This handler might be called anonymously ...
90: # ----------------------------------------------------- Only if not public call
91: if ($ENV{'user.environment'}) {
92: # does this user have privileges to post, etc?
93: if ($ENV{'request.course.id'}) {
94: $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
95: if ($forcestudent) { $allowed=0; }
96: }
97: if ($allowed) {
98: $r->print('<p>This syllabus can be publically viewed at <tt>http://'.
99: $Apache::lonnet::hostname{$homeserver}.$r->uri.'</tt></p>'.
100: '<p><a href="'.$r->uri.'?forcestudent=1">Show Student View</a></p>');
101: }
102: if (($allowed) && ($ENV{'form.storesyl'})) {
103: foreach (keys %syllabusfields) {
104: my $field=$ENV{'form.'.$_};
105: $field=~s/\s+$//s;
106: $field=~s/\</\<\;/g;
107: $field=~s/\>/\>\;/g;
108: $syllabus{$_}=$field;
109: }
110: $syllabus{'uploaded.domain'}=$ENV{'user.domain'};
111: $syllabus{'uploaded.name'}=$ENV{'user.name'};
112: $syllabus{'uploaded.lastmodified'}=time;
113: &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
114: }
115: }
116: # ---------------------------------------------------------------- Get syllabus
117: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
118: $r->print('<table><tr><td>Uploaded:</td><td>'.
119: &Apache::loncommon::aboutmewrapper(
120: &Apache::loncommon::plainname($syllabus{'uploaded.name'},
121: $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'},
122: $syllabus{'uploaded.domain'}).
123: '</td></tr><tr><td>Last updated</td><td>'.
124: localtime($syllabus{'uploaded.lastmodified'}).
125: '</td></tr></table><p>');
126: if ($allowed) {
127: $r->print('<form method="post">');
128: }
129: foreach (sort keys %syllabusfields) {
130: if (($syllabus{$_}) || ($allowed)) {
131: my $message=$syllabus{$_};
132: $message=~s/\n/\<br \/\>/g;
133: $message
134: =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
135: $message=&Apache::lontexconvert::msgtexconverted($message);
136: $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
137: $message.'</blockquote>');
138: if ($allowed) {
139: $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
140: $syllabus{$_}.
141: '</textarea><input type="submit" name="storesyl" value="Store" />');
142: }
143: }
144: }
145: if ($allowed) {
146: $r->print('</form>');
147: }
148: $r->print('</p>');
149: } else {
150: $r->print('<p>No syllabus information provided.</p>');
151: }
152: $r->print('</body></html>');
153: return OK;
154: }
155:
156: 1;
157: __END__
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