loncom/interface/lonchatfetch.pm - view

File: [LON-CAPA] / loncom / interface / lonchatfetch.pm
Revision 1.9: download - view: text, annotated - select for diffs
Sat Mar 29 01:39:10 2003 UTC (21 years, 3 months ago) by www
Branches: MAIN
CVS tags: version_0_99_2, version_0_99_1, version_0_99_0, conference_2003, HEAD

Bug 1086 - active chatroom users in top frame

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