Annotation of loncom/interface/londocs.pm, revision 1.7

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Documents
1.1       www         3: #
1.7     ! www         4: # $Id: londocs.pm,v 1.6 2002/08/01 15:26:23 www Exp $
1.1       www         5: #
1.3       www         6: # Copyright Michigan State University Board of Trustees
1.1       www         7: #
1.3       www         8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1       www         9: #
1.3       www        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.
1.1       www        14: #
1.3       www        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: 
1.2       www        29: package Apache::londocs;
1.1       www        30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.4       www        33: use Apache::lonnet;
                     34: use Apache::loncommon;
1.7     ! www        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: }
1.1       www        72: 
                     73: sub handler {
                     74:     my $r = shift;
                     75:     $r->content_type('text/html');
                     76:     $r->send_http_header;
                     77:     return OK if $r->header_only;
                     78: 
1.7     ! www        79: # is this a standard course?
        !            80: 
        !            81:     &Apache::loncommon::get_unprocessed_cgi($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: 
1.4       www        86: # does this user have privileges to post, etc?
                     87:     my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
1.3       www        88: 
1.4       www        89:     if ($allowed) { 
                     90:        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.7     ! www        91:                                                          ['remove']); 
1.3       www        92:     }
1.4       www        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'};
1.6       www       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 $url=&Apache::lonnet::userfileupload('uploaddoc',1);
1.4       www       105:         if ($url=~/^error\:/) {
                    106:         } else {
                    107: 	    my $comment=$ENV{'form.comment'};
                    108:            $comment=~s/\</\&lt\;/g;
                    109:            $comment=~s/\>/\&gt\;/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
1.1       www       126:     $r->print(<<ENDDOCUMENT);
                    127: <html>
                    128: <head>
                    129: <title>The LearningOnline Network with CAPA</title>
                    130: </head>
                    131: <body bgcolor="#FFFFFF">
1.3       www       132: <h1>Course Documents</h1>
1.4       www       133: ENDDOCUMENT
1.7     ! www       134: # --------------------------------------------------0------ Standard documents
        !           135:     if (($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:     }
1.4       www       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>'.
1.5       www       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.'_'.$3.'">Remove</a>');
                    163: 	   }
1.4       www       164:        }
                    165:    }
                    166: # ----------------------------------------------------------------- Upload form
                    167:    if ($allowed) {
                    168:        $r->print(<<ENDFORM);
                    169: <hr />
                    170: <h3>Post a new course document</h3>
1.3       www       171: <form method="post" enctype="multipart/form-data">
1.4       www       172: <input type="file" name="uploaddoc" size="50">
                    173: <br />Comment:<br />
                    174: <textarea cols=50 rows=4 name='comment'>
                    175: </textarea>
1.3       www       176: <input type="submit" value="Upload Document">
                    177: </form>
1.4       www       178: ENDFORM
                    179:     }
1.7     ! www       180: 
        !           181:     foreach (@Apache::lonratedt::resources) {
        !           182: 	$r->print($_.'<br>');
        !           183:     }
        !           184: 
1.4       www       185:     $r->print('</body></html>');
1.1       www       186:     return OK;
                    187: } 
                    188: 
                    189: 1;
                    190: __END__

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