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Annotation of loncom/homework/externalresponse.pm, revision 1.5

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # external style responses
                      3: #
1.5     ! albertel    4: # $Id: externalresponse.pm,v 1.4 2005/04/07 06:56:21 albertel Exp $
1.1       albertel    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;
1.4       albertel   33: use Apache::lonnet;
1.1       albertel   34: 
                     35: BEGIN {
1.5     ! albertel   36:     &Apache::lonxml::register('Apache::externalresponse',('externalresponse'));
1.1       albertel   37: }
                     38: 
                     39: #FIXME
                     40: # send of response params and there current values
                     41: # accept a string to be printed out (Where does it get shown?) (.message)
                     42: # need to get a correct answer from somewhere (probably here since randomized)
                     43: sub start_externalresponse {
1.5     ! albertel   44:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !            45:     my $result;
        !            46:     my $id = &Apache::response::start_response($parstack,$safeeval);
        !            47:     return $result;
1.1       albertel   48: }
                     49: 
                     50: sub end_externalresponse {
1.5     ! albertel   51:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !            52:     my $result;
        !            53:     if ($target eq 'grade') {
        !            54: 	if ( defined $env{'form.submitted'}) {
        !            55: 	    my $id = $Apache::inputtags::response['-1'];
        !            56: 	    my $response = $env{'form.HWVAL_'.$id};
        !            57: 	    if ( $response =~ /[^\s]/) {
        !            58: 		my $url = &Apache::lonxml::get_param('url',$parstack,$safeeval);
        !            59: 		my $answer = &Apache::lonxml::get_param('answer',$parstack,$safeeval);
        !            60: 		my %form = &Apache::lonxml::get_param_var('form',$parstack,$safeeval);
        !            61: 		$form{'LONCAPA_student_response'}=$response;
        !            62: 		$form{'LONCAPA_correct_answer'}=$answer;
        !            63: 		$form{'LONCAPA_language'}=
        !            64: 		    &Apache::lonnet::metadata($ENV{'REQUEST_URI'},'language');
        !            65: 		&Apache::lonxml::debug("Asking $url, with:");
        !            66: 		&Apache::lonhomework::showhash(%form);
        !            67: 		my $ua = LWP::UserAgent->new;
        !            68: 		my $res = $ua->request(POST $url, \%form);
        !            69: 		my $partid = $Apache::inputtags::part;
        !            70: 		my $id = $Apache::inputtags::response['-1'];
        !            71: 		my %previous = &Apache::response::check_for_previous($response,
        !            72: 								     $partid,$id);
        !            73: 		%Apache::loncapagrade::results=();
        !            74: 		if ($res->{_rc} != '200') {
        !            75: 		    $Apache::loncapagrade::results{'awardetail'}='ERROR';
        !            76: 		} else {
        !            77: 		    &Apache::lonxml::register('Apache::loncapagrade',('loncapagrade'));
        !            78: 		    my $result=&Apache::scripttag::xmlparse($res->{_content});
        !            79: 		    &Apache::lonxml::debug("Got a result of :$result:");
        !            80: 		}
        !            81: 		foreach my $key (%Apache::loncapagrade::results) {
        !            82: 		    $Apache::lonhomework::results{"resource.$partid.$id.$key"}=
        !            83: 			$Apache::loncapagrade::results{$key};
        !            84: 		}
        !            85: 		&Apache::response::handle_previous(\%previous,
        !            86: 						   $Apache::loncapagrade::results{'awarddetail'});
        !            87: 		&Apache::lonxml::debug("response of");
        !            88: 		&Apache::lonhomework::showhash(%$res);
        !            89: 		&Apache::lonhomework::showhash(%Apache::loncapagrade::results);
        !            90: 	    }
1.1       albertel   91: 	}
                     92:     }
1.5     ! albertel   93:     &Apache::response::end_response;
        !            94:     return $result;
1.1       albertel   95: }
                     96: 
                     97: 1;
                     98: __END__
                     99: 
                    100: