1: # The LearningOnline Network
2: # Bulletin Board Handler
3: #
4: # $Id: lonbulletin.pm,v 1.5 2003/02/10 16:22:28 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::lonbulletin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon;
34: use Apache::lonnet;
35: use Apache::lontexconvert;
36: use Apache::lonxml;
37:
38: sub handler {
39: my $r = shift;
40: $r->content_type('text/html');
41: $r->send_http_header;
42: return OK if $r->header_only;
43:
44: # ------------------------------------------------------------ Print the screen
45: $r->print(<<ENDDOCUMENT);
46: <html>
47: <head>
48: <title>The LearningOnline Network with CAPA</title>
49: </head>
50: ENDDOCUMENT
51: my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
52: # Is this even in a course?
53: unless ($ENV{'request.course.id'}) {
54: $r->print('<body>Not in a course</body>');
55: return OK;
56: }
57:
58: $marker=~s/\D//g;
59:
60: unless ($marker) {
61: $r->print('<body>Invalid call</body>');
62: return OK;
63: }
64:
65: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
66: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
67:
68: # --------------------------------------------------------- The syllabus fields
69: my %syllabusfields=(
70: 'aaa_title' => 'Topic',
71: 'bbb_content' => 'Task',
72: 'ccc_webreferences' => 'Web References');
73:
74: # --------------------------------------------------------------- Force Student
75: &Apache::loncommon::get_unprocessed_cgi
76: ($ENV{'QUERY_STRING'},['forcestudent']);
77: my $forcestudent='';
78: if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
79:
80: my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs);
81:
82: # --------------------------------------- There is such a user, get environment
83:
84: $r->print(&Apache::loncommon::bodytag
85: ("Bulletin Board/Discussion",$forcestudent,'','',$dom));
86:
87: my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
88:
89: if ($forcestudent) { $allowed=0; }
90:
91: if ($allowed) {
92: $r->print(
93: '<p><a href="'.$r->uri.'?forcestudent=1">Show Public View</a>'.
94: &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
95: }
96: if (($ENV{'form.uploaddoc.filename'}) &&
97: ($ENV{'form.storeupl'}) && ($allowed)) {
98: if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/) {
99: $syllabus{'uploaded.photourl'}=
100: &Apache::lonnet::userfileupload('uploaddoc',1);
101: }
102: $syllabus{'uploaded.lastmodified'}=time;
103: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
104: }
105: if (($allowed) && ($ENV{'form.storesyl'})) {
106: foreach (keys %syllabusfields) {
107: my $field=$ENV{'form.'.$_};
108: $field=~s/\s+$//s;
109: $field=&Apache::lonfeedback::clear_out_html($field,1);
110: $syllabus{$_}=$field;
111: }
112: $syllabus{'uploaded.lastmodified'}=time;
113: &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
114: }
115:
116: # ---------------------------------------------------------------- Get syllabus
117: if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
118: if ($syllabus{'uploaded.photourl'}) {
119: $r->print('<img src="'.
120: &Apache::lonnet::tokenwrapper($syllabus{'uploaded.photourl'}).
121: '" align="right" />');
122: }
123: if ($allowed) {
124: $r->print(
125: '<form method="post" enctype="multipart/form-data">'.
126: '<h3>Upload a Photo</h3>'.
127: '<input type="file" name="uploaddoc" size="50">'.
128: '<input type="submit" name="storeupl" value="Upload">'.
129: '</form><form method="post">');
130: }
131: foreach (sort keys %syllabusfields) {
132: if (($syllabus{$_}) || ($allowed)) {
133: my $message=$syllabus{$_};
134: $message=~s/\n/\<br \/\>/g;
135: $message
136: =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
137: $message=&Apache::lontexconvert::msgtexconverted($message);
138: unless ($_ eq 'aaa_title') {
139: if (($_ ne 'bbb_content') || ($allowed)) {
140: $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
141: }
142: $r->print('<blockquote>'.
143: $message.'</blockquote>');
144: if ($allowed) {
145: $r->print('<br /><textarea cols="80" rows="10" name="'.$_.'">'.
146: $syllabus{$_}.
147: '</textarea><input type="submit" name="storesyl" value="Store" />');
148: }
149: } else {
150: $r->print('<h1>'.$message.'</h1>');
151: if ($allowed) {
152: $r->print(
153: '<br />Topic<br /><textarea cols="80" rows="2" name="'.$_.'">'.
154: $syllabus{$_}.
155: '</textarea><input type="submit" name="storesyl" value="Store" />');
156: }
157: }
158: }
159: }
160: if ($allowed) {
161: $r->print('</form>');
162: }
163: $r->print('</p>');
164: } else {
165: $r->print('<p>No page information provided.</p>');
166: }
167: $r->print(&Apache::lonxml::xmlend(1,'bulletin___'.$marker.'___'.
168: 'adm/wrapper'.$r->uri).'</body></html>');
169: return OK;
170: }
171:
172: 1;
173: __END__
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