[BACK]Return to lonfeedback.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface
File:  [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.3: download - view: text, annotated - select for diffs
Tue Feb 6 14:22:30 2001 UTC (23 years, 3 months ago) by www
Branches: MAIN
CVS tags: HEAD
Sends messages now.

# The LearningOnline Network
# Feedback
#
# (Internal Server Error Handler
#
# (Login Screen
# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
#
# 3/1/1 Gerd Kortemeyer)
#
# 3/1,2/3,2/5,2/6 Gerd Kortemeyer
#
package Apache::lonfeedback;

use strict;
use Apache::Constants qw(:common);
use Apache::lonmsg();

sub handler {
    my $r = shift;
    $r->content_type('text/html');
    $r->send_http_header;
    return OK if $r->header_only;

    my $feedurl=$ENV{'form.postdata'};
    $feedurl=~s/^http\:\/\///;
    $feedurl=~s/^$ENV{'SERVER_NAME'}//;
    $feedurl=~s/^$ENV{'HTTP_HOST'}//;

    if (($feedurl=~/^\/res/) || ($ENV{'request.course.id'})) {
# --------------------------------------------------- Print login screen header
    unless ($ENV{'form.sendit'}) {
	my $options='';
        if ($feedurl=~/^\/res/) {
           $options= 
 '<p><input type=checkbox name=author> Feedback to resource author';
        }
	if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) {
           $options.=
 '<br><input type=checkbox name=question> Question about resource content';
        }
	if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) {
           $options.=
 '<br><input type=checkbox name=comment> '.
 'Question/Comment/Feedback about course content';
        }
	if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) {
           $options.=
 '<br><input type=checkbox name=policy> '.
 'Question/Comment/Feedback about course policy';
        }
       $r->print(<<ENDDOCUMENT);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
</head>
<body bgcolor="#FFFFFF">
<img align=right src=/adm/lonIcons/lonlogos.gif>
<h1>Feedback</h1>
<h2><tt>$feedurl</tt></h2>
<form action="/adm/feedback" method=post>
<input type=hidden name=postdata value="$feedurl">
Please check at least one of the following:
$options<hr>
My question/comment/feedback:<p>
<textarea name=comment cols=60 rows=10>
</textarea><p>
<input type=submit name=sendit value="Send Feedback"></input>
</form>
</body>
</html>
ENDDOCUMENT
} else {
#
# Get previous user input
#
    my $symb=&Apache::lonnet::symbread($feedurl);
    my $prevattempts='';
    if ($symb) {
       my $answer=&Apache::lonnet::reply(
              "restore:".$ENV{'user.domain'}.':'.$ENV{'user.name'}.':'.
              $ENV{'request.course.id'}.':'.
              &Apache::lonnet::escape($symb),
              $ENV{'user.home'});
       my %returnhash=();
       map {
	  my ($name,$value)=split(/\=/,$_);
          $returnhash{&Apache::lonnet::unescape($name)}=
                      &Apache::lonnet::unescape($value);
       } split(/\&/,$answer);
       my %lasthash=();
       my $version;
       for ($version=1;$version<=$returnhash{'version'};$version++) {
          map {
             $lasthash{$_}=$returnhash{$version.':'.$_};
          } split(/\:/,$returnhash{$version.':keys'});
       }
       $prevattempts='<table border=2></tr><th>History</th>';
       map {
           $prevattempts.='<th>'.$_.'</th>';
       } keys %lasthash;
       for ($version=1;$version<=$returnhash{'version'};$version++) {
	   $prevattempts.='</tr><tr><th>Attempt '.$version.'</th>';
           map {
               $prevattempts.='<td>'.$returnhash{$version.':'.$_}.'</td>';   
	  } keys %lasthash;
       }
       $prevattempts.='</tr><tr><th>Current</th>';
       map {
           $prevattempts.='<td>'.$lasthash{$_}.'</td>';
       } keys %lasthash;
       $prevattempts.='</tr></table>';
    }
#
# Get output from resource
#
    my $usersaw=&Apache::lonnet::ssi($feedurl);
    $usersaw=~s/\<body[^\>]*\>//gi;
    $usersaw=~s/\<\/body\>//gi;
    $usersaw=~s/\<html\>//gi;
    $usersaw=~s/\<\/html\>//gi;
    $usersaw=~s/\<head\>//gi;
    $usersaw=~s/\<\/head\>//gi;
    $usersaw=~s/action\s*\=/would_be_action\=/gi;
#
# Filter HTML out of message (could be nasty)
#
    my $message=$ENV{'form.comment'};
    $message=~s/\</\&lt\;/g;
    $message=~s/\>/\&gt\;/g;

#
# Assemble email
#
    my $email=<<"ENDEMAIL";
Refers to <a href="$feedurl">$feedurl</a>
<hr>
<h2>Message</h2>
<pre>
$message
</pre>
<hr>
<h2>Previous attempts of student (if applicable)</h2>
$prevattempts
<p><hr>
<h2>Original screen output (if applicable)</h2>
$usersaw
ENDEMAIL
#
# Who gets this?
#
    my %to=();
    if ($ENV{'form.author'}) {
	$feedurl=~/^\/res\/(\w+)\/(\w+)\//;
        $to{$2.':'.$1}=1;
    }
    if ($ENV{'form.question'}) {
	map {
            $to{$_}=1;
        } split(/\,/,
          $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'});
    }
    if ($ENV{'form.comment'}) {
	map {
            $to{$_}=1;
        } split(/\,/,
          $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'});
    }
    if ($ENV{'form.policy'}) {
	map {
            $to{$_}=1;
        } split(/\,/,
          $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'});
    }
#
# Actually send mail
#
    my $status='';
    map {
       if ($_) {
          unless (
          &Apache::lonmsg::user_normal_msg(split(/\:/,$_),'Feedback '.$feedurl,
                                           $email) eq 'ok') {
            $status.='<br>Error sending message to '.$_.'<br>';
	  }
       }
    } keys %to;
#
# Receipt screen and redirect back to where came from
#
    print (<<ENDREDIR);
<head>
<title>Feedback sent</title>
<meta HTTP-EQUIV="Refresh" CONTENT="1; url=$feedurl">
</head>
<html>
<body bgcolor="#FFFFFF">
<b>Feedback sent ...</b>
<font color=red>$status</font>
</body>
</html>
ENDREDIR
}
} else {
    print (<<ENDNOREDIR);
<head><title>Feedback not sent</title>
<meta HTTP-EQUIV="Refresh" CONTENT="1; url=$feedurl">
</head>
<html>
<body bgcolor="#FFFFFF">
Sorry, no feedback possible on this resource  ...
</body>
</html>
ENDNOREDIR
}
    return OK;
} 

1;
__END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>