--- loncom/interface/lonchatfetch.pm 2006/03/19 22:48:53 1.19 +++ loncom/interface/lonchatfetch.pm 2006/06/27 00:12:23 1.27 @@ -1,7 +1,7 @@ # The LearningOnline Network # Chat Fetching # -# $Id: lonchatfetch.pm,v 1.19 2006/03/19 22:48:53 albertel Exp $ +# $Id: lonchatfetch.pm,v 1.27 2006/06/27 00:12:23 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -33,11 +33,34 @@ use Apache::Constants qw(:common :http); use Apache::lontexconvert; use Apache::loncommon; use Apache::lonnet; +use Apache::longroup; +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + sub handler { my $r = shift; - if (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}. + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['lastid','group']); + my ($group,$grouptitle); + my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + if (defined($env{'form.group'})) { + $group = $env{'form.group'}; + if (! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'. + $group) ) { + return HTTP_NOT_ACCEPTABLE; + } + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group); + if (%curr_groups) { + my %group_info = + &Apache::longroup::get_group_settings($curr_groups{$group}); + $grouptitle = + ''.&unescape($group_info{description}). + '
'; + } + } elsif (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}. ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) ) { return HTTP_NOT_ACCEPTABLE; @@ -56,13 +79,12 @@ sub handler { # ------------------------------------------------------------ retrieve entries - my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; - my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; my $chome=$env{'course.'.$env{'request.course.id'}.'.home'}; my @entries=split(/\:/, &Apache::lonnet::reply( - "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}",$chome)); + "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}:$group", + $chome)); # Figure out what the last valid entry-id is my ($lastid,$thentime,$idnum); foreach (@entries) { @@ -73,25 +95,29 @@ sub handler { } } # ----------------------------------------------------------- Can see identity? - my $crs='/'.$env{'request.course.id'}; - if ($env{'request.course.sec'}) { - $crs.='_'.$env{'request.course.sec'}; - } - $crs=~s/\_/\//g; - my $seeid=&Apache::lonnet::allowed('rin',$crs); + my $seeid = &get_seeid_status(); # -------------------------------------------------------- see which ones apply - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']); my $include=0; my $newstuff=''; my $bottomid=''; unless ($env{'form.lastid'}) { - $include=1; - my $html=&Apache::lonxml::xmlbegin(); - $newstuff=$html.''; + $include=1; + $newstuff .= + &Apache::loncommon::start_page(undef,undef, + {'only_body' => 1, + 'bgcolor' => '#FFFFFF', + 'js_ready' => 1,}); + # removing the CSS reference for now + # see BUG# 4839 + # to fix, need to either write the whole webpage to the bottom frame + # everytime or store the page in a js variable somewhere. + # although in tryng both of these ideas, the .scroll to + # the bottom seems to fail. + $newstuff =~ s|()||; } my @participants=(); foreach (@entries) { - my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::unescape($_)); + my ($id,$msg,$udom)=split(/\:/,&unescape($_)); if ($id eq 'active_participant') { chomp($udom); my $participant= &Apache::loncommon::nickname($msg,$udom); @@ -101,8 +127,8 @@ sub handler { chomp($msg); my ($msgtime,$msgnum)=split(/\_/,$id); my ($sdom,$snum,$anon,$contrib)=split(/\:/, - &Apache::lonnet::unescape($msg)); - $contrib=&Apache::lonnet::unescape($contrib); + &unescape($msg)); + $contrib=&unescape($contrib); &Apache::lonfeedback::newline_to_br(\$contrib); ($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib); if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; } @@ -140,19 +166,23 @@ sub handler { $color=substr($color,0,6); my $timestamp=localtime($msgtime); my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/); - $newstuff.=''. + $newstuff.=''. $sender.' ('.$mhour.':'.$mmin.':'.$msec.'): '. - $contrib."
"; - $bottomid=$id; + $contrib."
"; + $bottomid='LC_'.$id; } else { $_=~/^(\w+)/; if ($1 eq $env{'form.lastid'}) { $include=1; } } } my $participant_output=join('
',sort @participants); + my $refresh_cmd = "/adm/chatfetch?lastid=$lastid"; + if (defined($group)) { + $refresh_cmd .= "&group=$group"; + } my $start_page = &Apache::loncommon::start_page('Chat',undef, - {'redirect' => [5,"/adm/chatfetch?lastid=$lastid"], + {'redirect' => [5,$refresh_cmd], 'only_body' => 1,}); my $end_page = &Apache::loncommon::end_page(); $r->print(< +$grouptitle $participant_output $end_page ENDDOCUMENT return OK; -} +} + +sub get_seeid_status { + my $crs='/'.$env{'request.course.id'}; + my $seeid; + if (exists($env{'form.group'})) { + $seeid = &Apache::lonnet::allowed('rci',$crs.'/'.$env{'form.group'}); + } else { + if ($env{'request.course.sec'}) { + $crs.='_'.$env{'request.course.sec'}; + } + $crs=~s/\_/\//g; + $seeid=&Apache::lonnet::allowed('rin',$crs); + } + return $seeid; +} 1; __END__