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File:  [LON-CAPA] / loncom / interface / lonchatfetch.pm
Revision 1.1: download - view: text, annotated - select for diffs
Thu Aug 8 13:44:17 2002 UTC (21 years, 10 months ago) by www
Branches: MAIN
CVS tags: version_0_5_1, version_0_5, HEAD
Routines for chat, explanation of option in parmset, chat function kind of
works

    1: # The LearningOnline Network
    2: # Chat Fetching
    3: #
    4: # $Id: lonchatfetch.pm,v 1.1 2002/08/08 13:44:17 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::lonchatfetch;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::lontexconvert;
   34: 
   35: sub handler {
   36:     my $r = shift;
   37:     $r->content_type('text/html');
   38:     $r->send_http_header;
   39:     return OK if $r->header_only;
   40: 
   41: # ------------------------------------------------------------ retrieve entries
   42: 
   43:     my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
   44:     my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
   45:     my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
   46:     my @entries=split(/\:/,
   47:                        &Apache::lonnet::reply("chatretr:$cdom:$cnum",$chome));
   48:     my ($lastid)=($entries[$#entries]=~/^(\w+)/);
   49:     my ($thentime,$idnum)=split(/\_/,$lastid);
   50: # -------------------------------------------------------- see which ones apply
   51:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);
   52:     my $include=0;
   53:     my $newstuff='';
   54:     unless ($ENV{'form.lastid'}) { $include=1; }
   55:     foreach (@entries) {
   56: 	if ($include) {
   57:             my ($id,$msg)=split(/\:/,&Apache::lonnet::unescape($_));
   58:             chomp($msg);
   59:             my ($msgtime,$msgnum)=split(/\_/,$id);
   60:             my ($sdom,$snum,$anon,$contrib)=split(/\:/,
   61:                                               &Apache::lonnet::unescape($msg));
   62:             $contrib=&Apache::lonnet::unescape($contrib);
   63:             $contrib=~s/\n/\<br \/\>/g;
   64: 	    $contrib=&Apache::lontexconvert::msgtexconverted($contrib);
   65:             $contrib=~s/\n/ /g;
   66:             $contrib=~s/\'/\&\#39\;/g;
   67:             my $sender=$snum.' at '.$sdom;
   68:             if ($anon) {
   69:             }
   70: 	    $newstuff.='<b>'.$sender.'</b> ('.localtime($msgtime).'): '.
   71:                        $contrib."<br>";
   72:         } else {
   73:             $_=~/^(\w+)/;
   74:             if ($1 eq $ENV{'form.lastid'}) { $include=1; }
   75:         }
   76:     }
   77:     $r->print(<<ENDDOCUMENT);
   78: <html>
   79: <head>
   80: <title>The LearningOnline Network with CAPA</title>
   81:   <meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid">
   82: </head>
   83: <body bgcolor="#FFFFFF">
   84: <script>
   85: parent.chatout.document.writeln('$newstuff');
   86: </script>
   87: </body>
   88: </html>
   89: ENDDOCUMENT
   90:     return OK;
   91: } 
   92: 
   93: 1;
   94: __END__
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