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File:  [LON-CAPA] / loncom / interface / lonchatfetch.pm
Revision 1.5: download - view: text, annotated - select for diffs
Fri Sep 13 19:32:09 2002 UTC (21 years, 9 months ago) by www
Branches: MAIN
CVS tags: HEAD
Addition of nicknames (part)

    1: # The LearningOnline Network
    2: # Chat Fetching
    3: #
    4: # $Id: lonchatfetch.pm,v 1.5 2002/09/13 19:32:09 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: use Apache::loncommon;
   35: use Apache::lonnet;
   36: 
   37: sub handler {
   38:     my $r = shift;
   39:     $r->content_type('text/html');
   40:     $r->send_http_header;
   41:     return OK if $r->header_only;
   42: 
   43: # ------------------------------------------------------------ retrieve entries
   44: 
   45:     my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
   46:     my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
   47:     my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
   48: 
   49:     my @entries=split(/\:/,
   50:                        &Apache::lonnet::reply("chatretr:$cdom:$cnum",$chome));
   51:     my ($lastid)=($entries[$#entries]=~/^(\w+)/);
   52:     my ($thentime,$idnum)=split(/\_/,$lastid);
   53: # ----------------------------------------------------------- Can see identity?
   54:     my $crs='/'.$ENV{'request.course.id'};
   55:     if ($ENV{'request.course.sec'}) {
   56:        $crs.='_'.$ENV{'request.course.sec'};
   57:     }                 
   58:     $crs=~s/\_/\//g;
   59:     my $seeid=&Apache::lonnet::allowed('rin',$crs);
   60: # -------------------------------------------------------- see which ones apply
   61:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);
   62:     my $include=0;
   63:     my $newstuff='';
   64:     my $bottomid='';
   65:     unless ($ENV{'form.lastid'}) { 
   66:        $include=1; 
   67:        $newstuff='<html><body bgcolor="#FFFFFF">';
   68:     }
   69:     foreach (@entries) {
   70: 	if ($include) {
   71:             my ($id,$msg)=split(/\:/,&Apache::lonnet::unescape($_));
   72:             chomp($msg);
   73:             my ($msgtime,$msgnum)=split(/\_/,$id);
   74:             my ($sdom,$snum,$anon,$contrib)=split(/\:/,
   75:                                               &Apache::lonnet::unescape($msg));
   76:             $contrib=&Apache::lonnet::unescape($contrib);
   77:             $contrib=~s/\n/\<br \/\>/g;
   78: 	    $contrib=&Apache::lontexconvert::msgtexconverted($contrib);
   79:             $contrib=~s/\n/ /g;
   80:             $contrib=~s/\'/\&\#39\;/g;
   81:             my $sender='';
   82:             if ($seeid) {
   83:                $sender=&Apache::loncommon::plainname($snum,$sdom);
   84:                my $nick=&Apache::loncommon::nickname($snum,$sdom);
   85:                if (($nick) && ($nick ne $sender)) {
   86: 		   $sender.=' '.$nick;
   87:                }
   88: 	       if ($anon) { $sender.=' [Anon]' };
   89:             } elsif (!$anon) {
   90:                $sender=&Apache::loncommon::nickname($snum,$sdom);
   91:             } else {
   92: 		$sender=&Apache::loncommon::screenname($snum,$sdom);
   93:                 unless ($sender) { $sender="Anonymous"; }
   94:             }
   95:             $sender=~s/\'/\"/g;
   96:             my $color=$sender;
   97:             $color=~tr/a-j/0-9/;
   98:             $color=~tr/A-J/0-9/;
   99:             $color=~tr/k-t/0-9/;
  100:             $color=~tr/K-T/0-9/;
  101:             $color=~tr/u-z/0-5/;
  102:             $color=~tr/U-Z/0-5/;
  103:             $color=~s/\D//g;
  104:             $color=substr($color,0,6);
  105:             my $timestamp=localtime($msgtime);
  106:             my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);
  107: 	    $newstuff.='<font color="#'.$color.'"><a name="'.$id.'"><b>'.
  108:                        $sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '.
  109:                        $contrib."</font><br>";
  110:             $bottomid=$id;
  111:         } else {
  112:             $_=~/^(\w+)/;
  113:             if ($1 eq $ENV{'form.lastid'}) { $include=1; }
  114:         }
  115:     }
  116:     $r->print(<<ENDDOCUMENT);
  117: <html>
  118: <head>
  119: <title>The LearningOnline Network with CAPA</title>
  120:   <meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid">
  121: </head>
  122: <body bgcolor="#FFFFFF">
  123: <script>
  124: parent.chatout.document.writeln('$newstuff');
  125: parent.chatout.scroll(0,10000000);
  126: </script>
  127: </body>
  128: </html>
  129: ENDDOCUMENT
  130:     return OK;
  131: } 
  132: 
  133: 1;
  134: __END__
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