# The LON-CAPA Grading handler
# Guy Albertelli
# 11/30 Gerd Kortemeyer
# 6/1 Gerd Kortemeyer

package Apache::grades;
use strict;
use Apache::style;
use Apache::lonxml;
use Apache::lonnet;
use Apache::lonhomework;
use Apache::Constants qw(:common);

sub handler {
  my $request=$_[0];

  if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;} else {$Apache::lonxml::debug=0;}
  
  if ($ENV{'browser.mathml'}) {
    $request->content_type('text/xml');
  } else {
    $request->content_type('text/html');
  }
  $request->send_http_header;
  return OK if $request->header_only;
  my $url=$ENV{'form.url'};
  if ($url eq '') {
    $request->print("Non-Contextual Access Unsupported");
  } else {
    $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$url);
  }

  return OK;
}

1;

__END__;