1: # The LearningOnline Network
2: # Documents
3: #
4: # $Id: londocs.pm,v 1.7 2002/08/19 21:15:08 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::londocs;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::lonnet;
34: use Apache::loncommon;
35: use Apache::lonratedt;
36: use Apache::lonratsrv;
37:
38:
39: # Mapread read maps into lonratedt::global arrays
40: # @links and @resources, determines status
41: # sets @order - pointer to resources in right order
42: # sets @resources - array with the resources with correct idx
43: #
44:
45: sub mapread {
46: my ($coursenum,$coursedom,$map)=@_;
47: return
48: &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
49: $map);
50: }
51:
52: sub storemap {
53: my ($coursenum,$coursedom,$map)=@_;
54: return
55: &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
56: $map);
57: }
58:
59: sub editor {
60: my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
61: my ($errtext,$fatal)=
62: &mapread($coursenum,$coursedom,$folder.'.sequence');
63: if ($fatal) {
64: $r->print('<p><font color="red">'.$errtext.'</font></p>');
65: } else {
66: # ------------------------------------------------------------ Process commands
67: if ($allowed) {
68: }
69: # ---------------------------------------------------------------- Print screen
70: }
71: }
72:
73: sub handler {
74: my $r = shift;
75: $r->content_type('text/html');
76: $r->send_http_header;
77: return OK if $r->header_only;
78:
79: # is this a standard course?
80:
81: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folder']);
82: my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
83: my $forcestandard=($ENV{'form.folder'}=~/^default_/);
84: my $forcesupplement=($ENV{'form.folder'}=~/^supplement_/);
85:
86: # does this user have privileges to post, etc?
87: my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
88:
89: if ($allowed) {
90: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
91: ['remove']);
92: }
93:
94: # get course data
95: my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
96: my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
97:
98:
99: # upload a file
100: if (($ENV{'form.uploaddoc.filename'}) && ($allowed)) {
101: my $id=time.'_'.$ENV{'user.name'}.'_'.$ENV{'user.domain'};
102: # this is for a course, not a user, so set coursedoc flag
103: # probably the only place in the system where this should be "1"
104: my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
105: if ($url=~/^error\:/) {
106: } else {
107: my $comment=$ENV{'form.comment'};
108: $comment=~s/\</\<\;/g;
109: $comment=~s/\>/\>\;/g;
110: &Apache::lonnet::put('coursedocs',
111: { $id.'.url' => $url,
112: $id.'.comment' => $comment },
113: $coursedom,$coursenum);
114: }
115: }
116:
117: # delete a file
118: if ($ENV{'form.remove'}=~/$ENV{'user.name'}\_$ENV{'user.domain'}$/) {
119: my $id=$ENV{'form.remove'};
120: &Apache::lonnet::del('coursedocs',
121: [$id.'.url',$id.'.comment'],
122: $coursedom,$coursenum);
123: }
124:
125: # print screen
126: $r->print(<<ENDDOCUMENT);
127: <html>
128: <head>
129: <title>The LearningOnline Network with CAPA</title>
130: </head>
131: <body bgcolor="#FFFFFF">
132: <h1>Course Documents</h1>
133: ENDDOCUMENT
134: # --------------------------------------------------0------ Standard documents
135: if (($standard) && ($allowed) && (!$forcesupplement)) {
136: $r->print('<h2>Main Course Documents</h2>');
137: my $folder=$ENV{'form.folder'};
138: unless ($folder) { $folder='default'; }
139: &editor($r,$coursenum,$coursedom,$folder,$allowed);
140: $r->print('<hr />');
141: }
142: # ----------------------------------------------------- Supplemental documents
143: if (!$forcestandard) {
144: $r->print('<h2>Supplemental Course Documents</h2>');
145: my $folder=$ENV{'form.folder'};
146: unless ($folder) { $folder='supplemental'; }
147: &editor($r,$coursenum,$coursedom,$folder,$allowed);
148: }
149: # ------------------------------------------------------- Print headers to docs
150: my %currentdocs=&Apache::lonnet::dump('coursedocs',$coursedom,$coursenum);
151: foreach (sort keys (%currentdocs)) {
152: if ($_=~/(\d+)\_(\w+)\_(\w+)\.url/) {
153: $r->print('<hr>'.localtime($1).' '.$2.' '.$3.'<blockquote>'.
154: &Apache::lontexconvert::msgtexconverted(
155: $currentdocs{$1.'_'.$2.'_'.$3.'.comment'}
156: ).
157: '</blockquote><a href="'.
158: &Apache::lonnet::tokenwrapper($currentdocs{$_}).'">View</a>');
159: if (($2 eq $ENV{'user.name'}) && ($3 eq $ENV{'user.domain'})
160: && ($allowed)) {
161: $r->print(' <a href="/adm/coursedocs?remove='.
162: $1.'_'.$2.'_'.$3.'">Remove</a>');
163: }
164: }
165: }
166: # ----------------------------------------------------------------- Upload form
167: if ($allowed) {
168: $r->print(<<ENDFORM);
169: <hr />
170: <h3>Post a new course document</h3>
171: <form method="post" enctype="multipart/form-data">
172: <input type="file" name="uploaddoc" size="50">
173: <br />Comment:<br />
174: <textarea cols=50 rows=4 name='comment'>
175: </textarea>
176: <input type="submit" value="Upload Document">
177: </form>
178: ENDFORM
179: }
180:
181: foreach (@Apache::lonratedt::resources) {
182: $r->print($_.'<br>');
183: }
184:
185: $r->print('</body></html>');
186: return OK;
187: }
188:
189: 1;
190: __END__
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