loncom/interface/lonchatfetch.pm - view

File: [LON-CAPA] / loncom / interface / lonchatfetch.pm
Revision 1.7: download - view: text, annotated - select for diffs
Fri Mar 28 20:40:52 2003 UTC (21 years, 2 months ago) by www
Branches: MAIN
CVS tags: HEAD

Toward bug #1068

1: # The LearningOnline Network 2: # Chat Fetching 3: # 4: # $Id: lonchatfetch.pm,v 1.7 2003/03/28 20:40:52 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.'.$ENV{'request.course.id'}.'.home'}; 56: 57: my @entries=split(/\:/, 58: &Apache::lonnet::reply("chatretr:$cdom:$cnum",$chome)); 59: my ($lastid)=($entries[$#entries]=~/^(\w+)/); 60: my ($thentime,$idnum)=split(/\_/,$lastid); 61: # ----------------------------------------------------------- Can see identity? 62: my $crs='/'.$ENV{'request.course.id'}; 63: if ($ENV{'request.course.sec'}) { 64: $crs.='_'.$ENV{'request.course.sec'}; 65: } 66: $crs=~s/\_/\//g; 67: my $seeid=&Apache::lonnet::allowed('rin',$crs); 68: # -------------------------------------------------------- see which ones apply 69: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']); 70: my $include=0; 71: my $newstuff=''; 72: my $bottomid=''; 73: unless ($ENV{'form.lastid'}) { 74: $include=1; 75: $newstuff='<html><body bgcolor="#FFFFFF">'; 76: } 77: foreach (@entries) { 78: if ($include) { 79: my ($id,$msg,$uname)=split(/\:/,&Apache::lonnet::unescape($_)); 80: if ($id eq 'active_participant') { 81: $newstuff.='participant: '.$msg.' '.$uname; 82: } else { 83: chomp($msg); 84: my ($msgtime,$msgnum)=split(/\_/,$id); 85: my ($sdom,$snum,$anon,$contrib)=split(/\:/, 86: &Apache::lonnet::unescape($msg)); 87: $contrib=&Apache::lonnet::unescape($contrib); 88: $contrib=~s/\n/\<br \/\>/g; 89: $contrib=&Apache::lontexconvert::msgtexconverted($contrib); 90: $contrib=~s/\n/ /g; 91: $contrib=~s/\'/\&\#39\;/g; 92: my $sender=''; 93: if ($seeid) { 94: $sender=&Apache::loncommon::plainname($snum,$sdom); 95: my $nick=&Apache::loncommon::nickname($snum,$sdom); 96: if (($nick) && ($nick ne $sender)) { 97: $sender.=' '.$nick; 98: } 99: if ($anon) { $sender.=' [Anon]' }; 100: } elsif (!$anon) { 101: $sender=&Apache::loncommon::nickname($snum,$sdom); 102: } else { 103: $sender=&Apache::loncommon::screenname($snum,$sdom); 104: unless ($sender) { $sender="Anonymous"; } 105: } 106: $sender=~s/\'/\"/g; 107: my $color=$sender; 108: $color=~tr/a-j/0-9/; 109: $color=~tr/A-J/0-9/; 110: $color=~tr/k-t/0-9/; 111: $color=~tr/K-T/0-9/; 112: $color=~tr/u-z/0-5/; 113: $color=~tr/U-Z/0-5/; 114: $color=~s/\D//g; 115: $color=substr($color,0,6); 116: my $timestamp=localtime($msgtime); 117: my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/); 118: $newstuff.='<font color="#'.$color.'"><a name="'.$id.'"><b>'. 119: $sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '. 120: $contrib."</font><br>"; 121: $bottomid=$id; 122: } 123: } else { 124: $_=~/^(\w+)/; 125: if ($1 eq $ENV{'form.lastid'}) { $include=1; } 126: } 127: } 128: $r->print(<<ENDDOCUMENT); 129: <html> 130: <head> 131: <title>The LearningOnline Network with CAPA</title> 132: <meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid"> 133: </head> 134: <body bgcolor="#FFFFFF"> 135: <script> 136: parent.chatout.document.writeln('$newstuff'); 137: parent.chatout.scroll(0,10000000); 138: </script> 139: </body> 140: </html> 141: ENDDOCUMENT 142: return OK; 143: } 144: 145: 1; 146: __END__