Return to lonchatfetch.pm CVS log

Up to [LON-CAPA] / loncom / interface

Annotation of loncom/interface/lonchatfetch.pm, revision 1.10

1.1       www         1: # The LearningOnline Network
                      2: # Chat Fetching
                      3: #
1.10    ! www         4: # $Id: lonchatfetch.pm,v 1.9 2003/03/29 01:39:10 www Exp $
1.1       www         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;
1.4       www        34: use Apache::loncommon;
                     35: use Apache::lonnet;
1.1       www        36: 
                     37: sub handler {
                     38:     my $r = shift;
1.6       www        39: 
                     40:     my $loaderror=&Apache::lonnet::overloaderror($r);
                     41:     if ($loaderror) { return $loaderror; }
                     42:     $loaderror=
                     43:        &Apache::lonnet::overloaderror($r,
                     44:          $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
                     45:     if ($loaderror) { return $loaderror; }
                     46: 
1.1       www        47:     $r->content_type('text/html');
                     48:     $r->send_http_header;
                     49:     return OK if $r->header_only;
                     50: 
                     51: # ------------------------------------------------------------ retrieve entries
                     52: 
                     53:     my $cnum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                     54:     my $cdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                     55:     my $chome=$ENV{'course.'.$ENV{'request.course.id'}.'.home'};
1.4       www        56: 
1.1       www        57:     my @entries=split(/\:/,
1.8       www        58:        &Apache::lonnet::reply(
                     59:         "chatretr:$cdom:$cnum:$ENV{'user.domain'}:$ENV{'user.name'}",$chome));
1.10    ! www        60: # Figure out what the last valid entry-id is
        !            61:     my ($lastid,$thentime,$idnum);
        !            62:     foreach (@entries) {
        !            63: 	$_=~/^(\w+)/;
        !            64:         if ($1 ne 'active_participant') {
        !            65: 	    $lastid=$1;
        !            66:             ($thentime,$idnum)=split(/\_/,$lastid);
        !            67: 	}
        !            68:     }
1.4       www        69: # ----------------------------------------------------------- Can see identity?
                     70:     my $crs='/'.$ENV{'request.course.id'};
                     71:     if ($ENV{'request.course.sec'}) {
                     72:        $crs.='_'.$ENV{'request.course.sec'};
                     73:     }                 
                     74:     $crs=~s/\_/\//g;
                     75:     my $seeid=&Apache::lonnet::allowed('rin',$crs);
1.1       www        76: # -------------------------------------------------------- see which ones apply
                     77:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);
                     78:     my $include=0;
                     79:     my $newstuff='';
1.3       www        80:     my $bottomid='';
1.2       www        81:     unless ($ENV{'form.lastid'}) { 
                     82:        $include=1; 
                     83:        $newstuff='<html><body bgcolor="#FFFFFF">';
                     84:     }
1.9       www        85:     my @participants=();
1.1       www        86:     foreach (@entries) {
1.9       www        87: 	my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::unescape($_));
                     88:  	if ($id eq 'active_participant') {
                     89:            chomp($udom);
                     90: 	   $participants[$#participants+1]=
                     91:            &Apache::loncommon::nickname($msg,$udom);
                     92: 	} elsif ($include) {
                     93: 	    chomp($msg);
                     94: 	    my ($msgtime,$msgnum)=split(/\_/,$id);
                     95: 	    my ($sdom,$snum,$anon,$contrib)=split(/\:/,
                     96: 					     &Apache::lonnet::unescape($msg));
                     97: 	    $contrib=&Apache::lonnet::unescape($contrib);
                     98: 	    $contrib=~s/\n/\<br \/\>/g;
                     99: 	    $contrib=&Apache::lontexconvert::msgtexconverted($contrib);
                    100: 	    $contrib=~s/\n/ /g;
                    101: 	    $contrib=~s/\'/\&\#39\;/g;
                    102: 	    my $sender='';
                    103: 	    if ($seeid) {
                    104: 		$sender=&Apache::loncommon::plainname($snum,$sdom);
                    105: 		my $nick=&Apache::loncommon::nickname($snum,$sdom);
                    106: 		if (($nick) && ($nick ne $sender)) {
                    107: 		    $sender.=' '.$nick;
                    108: 		}
                    109: 		if ($anon) { $sender.=' [Anon]' };
                    110: 	    } elsif (!$anon) {
                    111: 		$sender=&Apache::loncommon::nickname($snum,$sdom);
1.7       www       112: 	    } else {
1.9       www       113: 		$sender=&Apache::loncommon::screenname($snum,$sdom);
                    114: 		unless ($sender) { $sender="Anonymous"; }
1.7       www       115: 	    }
1.9       www       116: 	    $sender=~s/\'/\"/g;
                    117: 	    my $color=$sender;
                    118: 	    $color=~tr/a-j/0-9/;
                    119: 	    $color=~tr/A-J/0-9/;
                    120: 	    $color=~tr/k-t/0-9/;
                    121: 	    $color=~tr/K-T/0-9/;
                    122: 	    $color=~tr/u-z/0-5/;
                    123: 	    $color=~tr/U-Z/0-5/;
                    124: 	    $color=~s/\D//g;
                    125: 	    $color=substr($color,0,6);
                    126: 	    my $timestamp=localtime($msgtime);
                    127: 	    my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);
                    128: 	    $newstuff.='<font color="#'.$color.'"><a name="'.$id.'"><b>'.
                    129: 		$sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '.
                    130: 		$contrib."</font><br>";
                    131: 	    $bottomid=$id;
                    132: 	} else {
                    133: 	    $_=~/^(\w+)/;
                    134: 	    if ($1 eq $ENV{'form.lastid'}) { $include=1; }
                    135: 	}
1.1       www       136:     }
1.9       www       137:     my $participant_output=join('<br />',sort @participants);
1.1       www       138:     $r->print(<<ENDDOCUMENT);
                    139: <html>
                    140: <head>
                    141: <title>The LearningOnline Network with CAPA</title>
                    142:   <meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid">
                    143: </head>
                    144: <body bgcolor="#FFFFFF">
                    145: <script>
                    146: parent.chatout.document.writeln('$newstuff');
1.3       www       147: parent.chatout.scroll(0,10000000);
1.1       www       148: </script>
1.9       www       149: $participant_output
1.1       www       150: </body>
                    151: </html>
                    152: ENDDOCUMENT
                    153:     return OK;
                    154: } 
                    155: 
                    156: 1;
                    157: __END__