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Annotation of loncom/homework/externalresponse.pm, revision 1.1

1.1     ! albertel    1: # The LearningOnline Network with CAPA
        !             2: # external style responses
        !             3: #
        !             4: # $Id: essayresponse.pm,v 1.7 2002/01/18 17:45:30 albertel 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: # 1/26 Guy
        !            29: package Apache::externalresponse;
        !            30: use strict;
        !            31: use HTTP::Request::Common;
        !            32: use Apache::loncapagrade;
        !            33: 
        !            34: BEGIN {
        !            35:   &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
        !            36: }
        !            37: 
        !            38: #FIXME
        !            39: # send of response params and there current values
        !            40: # accept a string to be printed out (Where does it get shown?) (.message)
        !            41: # need to get a correct answer from somewhere (probably here since randomized)
        !            42: sub start_externalresponse {
        !            43:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !            44:   my $result;
        !            45:   my $id = &Apache::response::start_response($parstack,$safeeval);
        !            46:   return $result;
        !            47: }
        !            48: 
        !            49: sub end_externalresponse {
        !            50:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !            51:   my $result;
        !            52:   if ($target eq 'grade') {
        !            53:     if ( defined $ENV{'form.submitted'}) {
        !            54:       my $id = $Apache::inputtags::response['-1'];
        !            55:       my $response = $ENV{'form.HWVAL'.$id};
        !            56:       if ( $response =~ /[^\s]/) {
        !            57: 	my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
        !            58: 	my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
        !            59: 	my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
        !            60: 	$form{'LONCAPA_student_response'}=$response;
        !            61: 	$form{'LONCAPA_correct_answer'}=$answer;
        !            62: 	$form{'LONCAPA_language'}=
        !            63: 	  &Apache::lonnet::metadata($ENV{'RQUEST_URI'},'language');
        !            64: 	&Apache::lonxml::debug("Asking $url, with:");
        !            65: 	&Apache::lonhomework::showhash(%form);
        !            66: 	my $ua = LWP::UserAgent->new;
        !            67: 	my $res = $ua->request(POST $url, \%form);
        !            68: 	my $partid = $Apache::inputtags::part;
        !            69: 	my $id = $Apache::inputtags::response['-1'];
        !            70: 	my %previous = &Apache::response::check_for_previous($response,
        !            71: 							     $partid,$id);
        !            72: 	%Apache::loncapagrade::results=();
        !            73:         if ($res->{_rc} != '200') {
        !            74: 	  $Apache::loncapagrade::results{'awardetail'}='ERROR';
        !            75: 	} else {
        !            76: 	  &Apache::lonxml::register('Apache::loncapagrade',('loncapagrade'));
        !            77: 	  my $result=&Apache::scripttag::xmlparse($res->{_content});
        !            78: 	  &Apache::lonxml::debug("Got a result of :$result:");
        !            79: 	}
        !            80: 	foreach my $key (%Apache::loncapagrade::results) {
        !            81: 	  $Apache::lonhomework::results{"resource.$partid.$id.$key"}=
        !            82: 	    $Apache::loncapagrade::results{$key};
        !            83: 	}
        !            84: 	&Apache::response::handle_previous(\%previous,
        !            85: 		    $Apache::loncapagrade::results{'awarddetail'});
        !            86: 	&Apache::lonxml::debug("response of");
        !            87: 	&Apache::lonhomework::showhash(%$res);
        !            88: 	&Apache::lonhomework::showhash(%Apache::loncapagrade::results);
        !            89:       }
        !            90:     }
        !            91:   }
        !            92:   &Apache::response::end_response;
        !            93:   return $result;
        !            94: }
        !            95: 
        !            96: 1;
        !            97: __END__
        !            98: 
        !            99: