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Diff for /loncom/interface/lonchatfetch.pm between versions 1.18 and 1.28

version 1.18, 2005/06/06 02:29:46 version 1.28, 2006/06/28 23:56:09
Line 33  use Apache::Constants qw(:common :http); Line 33  use Apache::Constants qw(:common :http);
 use Apache::lontexconvert;  use Apache::lontexconvert;
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::longroup;
   use lib '/home/httpd/lib/perl/';
   use LONCAPA;
    
   
 sub handler {  sub handler {
     my $r = shift;      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'}.'/'.
          $group)) &&
              (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}))) {
               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});
               $grouptitle = 
    '<b>'.&unescape($group_info{description}).
    '</b><br />';
           }
       } elsif (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
              ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))               ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))
         ) {          ) {
         return HTTP_NOT_ACCEPTABLE;          return HTTP_NOT_ACCEPTABLE;
Line 56  sub handler { Line 80  sub handler {
   
 # ------------------------------------------------------------ retrieve entries  # ------------------------------------------------------------ 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 $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
   
     my @entries=split(/\:/,      my @entries=split(/\:/,
        &Apache::lonnet::reply(         &Apache::lonnet::reply(
         "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}",$chome));          "chatretr:$cdom:$cnum:$env{'user.domain'}:$env{'user.name'}:$group",
           $chome));
 # Figure out what the last valid entry-id is  # Figure out what the last valid entry-id is
     my ($lastid,$thentime,$idnum);      my ($lastid,$thentime,$idnum);
     foreach (@entries) {      foreach (@entries) {
Line 73  sub handler { Line 96  sub handler {
  }   }
     }      }
 # ----------------------------------------------------------- Can see identity?  # ----------------------------------------------------------- Can see identity?
     my $crs='/'.$env{'request.course.id'};      my $seeid = &get_seeid_status();
     if ($env{'request.course.sec'}) {  
        $crs.='_'.$env{'request.course.sec'};  
     }                   
     $crs=~s/\_/\//g;  
     my $seeid=&Apache::lonnet::allowed('rin',$crs);  
 # -------------------------------------------------------- see which ones apply  # -------------------------------------------------------- see which ones apply
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['lastid']);  
     my $include=0;      my $include=0;
     my $newstuff='';      my $newstuff='';
     my $bottomid='';      my $bottomid='';
     unless ($env{'form.lastid'}) {       unless ($env{'form.lastid'}) { 
        $include=1;    $include=1; 
        my $html=&Apache::lonxml::xmlbegin();   $newstuff .=
        $newstuff=$html.'<head></head><body bgcolor="#FFFFFF">';      &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.
    $newstuff =~ s|(<link.*?/>)||;
     }      }
     my @participants=();      my @participants=();
     foreach (@entries) {      foreach (@entries) {
  my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::unescape($_));   my ($id,$msg,$udom)=split(/\:/,&unescape($_));
   if ($id eq 'active_participant') {    if ($id eq 'active_participant') {
            chomp($udom);             chomp($udom);
    my $participant= &Apache::loncommon::nickname($msg,$udom);     my $participant= &Apache::loncommon::nickname($msg,$udom);
Line 101  sub handler { Line 128  sub handler {
     chomp($msg);      chomp($msg);
     my ($msgtime,$msgnum)=split(/\_/,$id);      my ($msgtime,$msgnum)=split(/\_/,$id);
     my ($sdom,$snum,$anon,$contrib)=split(/\:/,      my ($sdom,$snum,$anon,$contrib)=split(/\:/,
      &Apache::lonnet::unescape($msg));       &unescape($msg));
     $contrib=&Apache::lonnet::unescape($contrib);      $contrib=&unescape($contrib);
     &Apache::lonfeedback::newline_to_br(\$contrib);      &Apache::lonfeedback::newline_to_br(\$contrib);
     ($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib);      ($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib);
     if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; }      if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; }
Line 140  sub handler { Line 167  sub handler {
     $color=substr($color,0,6);      $color=substr($color,0,6);
     my $timestamp=localtime($msgtime);      my $timestamp=localtime($msgtime);
     my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);      my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);
     $newstuff.='<font color="#'.$color.'"><a name="'.$id.'"><b>'.      $newstuff.='<font color="#'.$color.'"><a name="LC_'.$id.'"></a><b>'.
  $sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '.   $sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '.
  $contrib."</font><br>";   $contrib."</font><br />";
     $bottomid=$id;      $bottomid='LC_'.$id;
  } else {   } else {
     $_=~/^(\w+)/;      $_=~/^(\w+)/;
     if ($1 eq $env{'form.lastid'}) { $include=1; }      if ($1 eq $env{'form.lastid'}) { $include=1; }
  }   }
     }      }
     my $participant_output=join('<br />',sort @participants);      my $participant_output=join('<br />',sort @participants);
     my $html=&Apache::lonxml::xmlbegin();      my $refresh_cmd = "/adm/chatfetch?lastid=$lastid";
       if (defined($group)) {
           $refresh_cmd .= "&amp;group=$group";
       }
       my $start_page = 
    &Apache::loncommon::start_page('Chat',undef,
          {'redirect'  => [5,$refresh_cmd],
    'only_body' => 1,});
       my $end_page = &Apache::loncommon::end_page();
     $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 $html  $start_page
 <head>  <script type="text/javascript">
 <title>The LearningOnline Network with CAPA</title>  
   <meta HTTP-EQUIV="Refresh" CONTENT="5; url=/adm/chatfetch?lastid=$lastid">  
 </head>  
 <body bgcolor="#FFFFFF">  
 <script>  
 parent.chatout.document.writeln('$newstuff');  parent.chatout.document.writeln('$newstuff');
 parent.chatout.scroll(0,10000000);  parent.chatout.scroll(0,10000000);
 </script>  </script>
   $grouptitle
 $participant_output  $participant_output
 </body>  $end_page
 </html>  
 ENDDOCUMENT  ENDDOCUMENT
     return OK;      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;  1;
 __END__  __END__
Removed from v.1.18  
changed lines
  Added in v.1.28

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