--- loncom/interface/londocs.pm	2002/07/24 20:25:23	1.1
+++ loncom/interface/londocs.pm	2002/08/19 21:15:08	1.7
@@ -1,20 +1,74 @@
 # The LearningOnline Network
-# Printout
+# Documents
 #
-# (Internal Server Error Handler
+# $Id: londocs.pm,v 1.7 2002/08/19 21:15:08 www Exp $
 #
-# (Login Screen
-# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
-# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
+# Copyright Michigan State University Board of Trustees
 #
-# 3/1/1 Gerd Kortemeyer)
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
 #
-# 3/1 Gerd Kortemeyer
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
 #
-package Apache::lonprintout;
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+
+package Apache::londocs;
 
 use strict;
 use Apache::Constants qw(:common);
+use Apache::lonnet;
+use Apache::loncommon;
+use Apache::lonratedt;
+use Apache::lonratsrv;
+
+
+# Mapread read maps into lonratedt::global arrays 
+# @links and @resources, determines status
+# sets @order - pointer to resources in right order
+# sets @resources - array with the resources with correct idx
+#
+
+sub mapread {
+    my ($coursenum,$coursedom,$map)=@_;
+    return
+      &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map);
+}
+
+sub storemap {
+    my ($coursenum,$coursedom,$map)=@_;
+    return
+      &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map);
+}
+
+sub editor {
+    my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
+    my ($errtext,$fatal)=
+          &mapread($coursenum,$coursedom,$folder.'.sequence');
+    if ($fatal) {
+	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
+    } else {
+# ------------------------------------------------------------ Process commands
+	if ($allowed) {
+	}
+# ---------------------------------------------------------------- Print screen
+    }
+}
 
 sub handler {
     my $r = shift;
@@ -22,18 +76,113 @@ sub handler {
     $r->send_http_header;
     return OK if $r->header_only;
 
-# --------------------------------------------------- Print login screen header
+# is this a standard course?
+
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folder']);
+    my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
+    my $forcestandard=($ENV{'form.folder'}=~/^default_/);
+    my $forcesupplement=($ENV{'form.folder'}=~/^supplement_/);
+
+# does this user have privileges to post, etc?
+    my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
+
+    if ($allowed) { 
+       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+                                                         ['remove']); 
+    }
+
+# get course data
+    my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
+    my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
+
+
+# upload a file
+    if (($ENV{'form.uploaddoc.filename'}) && ($allowed)) {
+        my $id=time.'_'.$ENV{'user.name'}.'_'.$ENV{'user.domain'};
+# this is for a course, not a user, so set coursedoc flag
+# probably the only place in the system where this should be "1"
+	my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
+        if ($url=~/^error\:/) {
+        } else {
+	    my $comment=$ENV{'form.comment'};
+           $comment=~s/\</\&lt\;/g;
+           $comment=~s/\>/\&gt\;/g;
+           &Apache::lonnet::put('coursedocs',
+				{ $id.'.url' => $url,
+                                  $id.'.comment' => $comment },
+                                $coursedom,$coursenum);
+        }        
+    }
+
+# delete a file
+    if ($ENV{'form.remove'}=~/$ENV{'user.name'}\_$ENV{'user.domain'}$/) {
+       my $id=$ENV{'form.remove'};
+       &Apache::lonnet::del('coursedocs',
+			    [$id.'.url',$id.'.comment'],
+                            $coursedom,$coursenum);
+   }
+
+# print screen
     $r->print(<<ENDDOCUMENT);
 <html>
 <head>
 <title>The LearningOnline Network with CAPA</title>
 </head>
 <body bgcolor="#FFFFFF">
-<h1>Printout</h1>
-<img src="/adm/lonKaputt/lonconstruct.gif">
-</body>
-</html>
+<h1>Course Documents</h1>
 ENDDOCUMENT
+# --------------------------------------------------0------ Standard documents
+    if (($standard) && ($allowed) && (!$forcesupplement)) {
+       $r->print('<h2>Main Course Documents</h2>');
+       my $folder=$ENV{'form.folder'};
+       unless ($folder) { $folder='default'; }
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
+       $r->print('<hr />');
+    }
+# ----------------------------------------------------- Supplemental documents
+    if (!$forcestandard) {
+       $r->print('<h2>Supplemental Course Documents</h2>');
+       my $folder=$ENV{'form.folder'};
+       unless ($folder) { $folder='supplemental'; }
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
+    }
+# ------------------------------------------------------- Print headers to docs
+   my %currentdocs=&Apache::lonnet::dump('coursedocs',$coursedom,$coursenum);
+   foreach (sort keys (%currentdocs)) {
+       if ($_=~/(\d+)\_(\w+)\_(\w+)\.url/) {
+	   $r->print('<hr>'.localtime($1).' '.$2.' '.$3.'<blockquote>'.
+		     &Apache::lontexconvert::msgtexconverted(
+                                 $currentdocs{$1.'_'.$2.'_'.$3.'.comment'}
+                     ).
+                     '</blockquote><a href="'.
+               &Apache::lonnet::tokenwrapper($currentdocs{$_}).'">View</a>');
+	   if (($2 eq $ENV{'user.name'}) && ($3 eq $ENV{'user.domain'})
+               && ($allowed)) {
+              $r->print(' <a href="/adm/coursedocs?remove='.
+                        $1.'_'.$2.'_'.$3.'">Remove</a>');
+	   }
+       }
+   }
+# ----------------------------------------------------------------- Upload form
+   if ($allowed) {
+       $r->print(<<ENDFORM);
+<hr />
+<h3>Post a new course document</h3>
+<form method="post" enctype="multipart/form-data">
+<input type="file" name="uploaddoc" size="50">
+<br />Comment:<br />
+<textarea cols=50 rows=4 name='comment'>
+</textarea>
+<input type="submit" value="Upload Document">
+</form>
+ENDFORM
+    }
+
+    foreach (@Apache::lonratedt::resources) {
+	$r->print($_.'<br>');
+    }
+
+    $r->print('</body></html>');
     return OK;
 }