--- loncom/homework/grades.pm 2001/04/16 23:34:11 1.5
+++ loncom/homework/grades.pm 2007/11/05 11:46:08 1.480
@@ -1,5 +1,30 @@
+# The LearningOnline Network with CAPA
# The LON-CAPA Grading handler
-# 2/9,2/13 Guy Albertelli
+#
+# $Id: grades.pm,v 1.480 2007/11/05 11:46:08 foxr Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
package Apache::grades;
use strict;
@@ -7,262 +32,8159 @@ use Apache::style;
use Apache::lonxml;
use Apache::lonnet;
use Apache::loncommon;
+use Apache::lonhtmlcommon;
+use Apache::lonnavmaps;
use Apache::lonhomework;
+use Apache::lonpickcode;
+use Apache::loncoursedata;
+use Apache::lonmsg();
use Apache::Constants qw(:common);
+use Apache::lonlocal;
+use Apache::lonenc;
+use String::Similarity;
+use Data::Dumper;
+use LONCAPA;
-sub moreinfo {
- my ($request,$reason) = @_;
- $request->print("Unable to process request: $reason");
- if ( $Apache::grades::viewgrades eq 'F' ) {
- $request->print('');
- }
- return '';
+use POSIX qw(floor);
+
+
+my %perm=();
+my %bubble_lines_per_response = (); # no. bubble lines for each response.
+ # index is "symb.part_id"
+
+my %first_bubble_line = (); # First bubble line no. for each bubble.
+
+# Save and restore the bubble lines array to the form env.
+
+
+sub save_bubble_lines {
+ foreach my $line (keys(%bubble_lines_per_response)) {
+ $env{"form.scantron.bubblelines.$line"} = $bubble_lines_per_response{$line};
+ $env{"form.scantron.first_bubble_line.$line"} =
+ $first_bubble_line{$line};
+ }
}
-#FIXME - needs to be much smarter
-sub finduser {
- my ($name) = @_;
-
- if ( $Apache::grades::viewgrades eq 'F' ) {
- return ($name,$ENV{'user.domain'});
- } else {
- return ($ENV{'user.name'},$ENV{'user.domain'});
- }
+sub restore_bubble_lines {
+ my $line = 0;
+ %bubble_lines_per_response = ();
+ while ($env{"form.scantron.bubblelines.$line"}) {
+ my $value = $env{"form.scantron.bubblelines.$line"};
+ $bubble_lines_per_response{$line} = $value;
+ $first_bubble_line{$line} =
+ $env{"form.scantron.first_bubble_line.$line"};
+ $line++;
+ }
+
}
-sub getclasslist {
- my ($coursedomain,$coursenum,$coursehome,$hideexpired) = @_;
- my $classlist=&Apache::lonnet::reply("dump:$coursedomain:$coursenum:classlist",$coursehome);
- my %classlist=();
- my $now = time;
- foreach my $record (split /&/, $classlist) {
- my ($name,$value)=split(/=/,&Apache::lonnet::unescape($record));
- my ($end,$start)=split(/:/,$value);
- # still a student?
- if (($hideexpired) && ($end) && ($end < $now)) {
- print "Skipping:$name:$end:$now \n";
- next;
+# Given the parsed scanline, get the response for
+# 'answer' number n:
+
+sub get_response_bubbles {
+ my ($parsed_line, $response) = @_;
+
+
+ my $bubble_line = $first_bubble_line{$response-1} +1;
+ my $bubble_lines= $bubble_lines_per_response{$response-1};
+
+ my $selected = "";
+
+ for (my $bline = 0; $bline < $bubble_lines; $bline++) {
+ $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":";
+ $bubble_line++;
}
- push( @{ $classlist{'allids'} }, $name);
- }
- return (%classlist);
+ return $selected;
+}
+
+
+# ----- These first few routines are general use routines.----
+
+# Return the number of occurences of a pattern in a string.
+
+sub occurence_count {
+ my ($string, $pattern) = @_;
+
+ my @matches = ($string =~ /$pattern/g);
+
+ return scalar(@matches);
+}
+
+
+# Take a string known to have digits and convert all the
+# digits into letters in the range J,A..I.
+
+sub digits_to_letters {
+ my ($input) = @_;
+
+ my @alphabet = ('J', 'A'..'I');
+
+ my @input = split(//, $input);
+ my $output ='';
+ for (my $i = 0; $i < scalar(@input); $i++) {
+ if ($input[$i] =~ /\d/) {
+ $output .= $alphabet[$input[$i]];
+ } else {
+ $output .= $input[$i];
+ }
+ }
+ return $output;
}
+#
+# --- Retrieve the parts from the metadata file.---
sub getpartlist {
- my ($url) = @_;
- my @parts =();
- my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
- foreach my $key (@metakeys) {
- if ( $key =~ m/stores_([0-9]+)_.*/ ) { push(@parts,$key); }
- }
- return @parts;
+ my ($symb) = @_;
+
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ my $res = $navmap->getBySymb($symb);
+ my $partlist = $res->parts();
+ my $url = $res->src();
+ my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys'));
+
+ my @stores;
+ foreach my $part (@{ $partlist }) {
+ foreach my $key (@metakeys) {
+ if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); }
+ }
+ }
+ return @stores;
}
-sub viewstudentgrade {
- my ($url,$symb,$courseid,$student,@parts) = @_;
- my $result ='';
+# --- Get the symbolic name of a problem and the url
+sub get_symb {
+ my ($request,$silent) = @_;
+ (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
+ my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
+ if ($symb eq '') {
+ if (!$silent) {
+ $request->print("Unable to handle ambiguous references:$url:.");
+ return ();
+ }
+ }
+ &Apache::lonenc::check_decrypt(\$symb);
+ return ($symb);
+}
- my ($stuname,$domain) = split(/:/,$student);
+#--- Format fullname, username:domain if different for display
+#--- Use anywhere where the student names are listed
+sub nameUserString {
+ my ($type,$fullname,$uname,$udom) = @_;
+ if ($type eq 'header') {
+ return ' Fullname (Username)';
+ } else {
+ return ' '.$fullname.' ('.$uname.
+ ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')';
+ }
+}
- my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname,
- &Apache::lonnet::homeserver($stuname,$domain));
+#--- Get the partlist and the response type for a given problem. ---
+#--- Indicate if a response type is coded handgraded or not. ---
+sub response_type {
+ my ($symb) = shift;
- $result.="
$stuname
$domain
\n";
- foreach my $part (@parts) {
- my ($temp,$part,$type)=split(/_/,$part);
- #print "resource.$part.$type = ".$record{"resource.$part.$type"}." \n";
- if ($type eq 'awarded') {
- my $score=$record{"resource.$part.$type"};
- $result.="