version 1.4, 2004/02/19 20:17:01
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version 1.8, 2004/03/16 16:30:31
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Line 59 use Apache::lonlocal;
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Line 59 use Apache::lonlocal;
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use HTML::Entities(); |
use HTML::Entities(); |
use Time::Local(); |
use Time::Local(); |
use Spreadsheet::WriteExcel(); |
use Spreadsheet::WriteExcel(); |
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use GDBM_File; |
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use Storable qw(freeze thaw); |
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#################################################### |
#################################################### |
#################################################### |
#################################################### |
Line 145 sub ProblemSelector {
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Line 147 sub ProblemSelector {
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$resptype.'</td><td>'. |
$resptype.'</td><td>'. |
'<a href="'.$res->{'src'}.'">'.$title.'</a> '; |
'<a href="'.$res->{'src'}.'">'.$title.'</a> '; |
# '<a href="'.$res->{'src'}.'">'.$resptype.' '.$res->{'title'}.'</a> '; |
# '<a href="'.$res->{'src'}.'">'.$resptype.' '.$res->{'title'}.'</a> '; |
if ($partdata->{'option'} > 1) { |
if (scalar(@{$partdata->{'ResponseIds'}}) > 1) { |
$seq_str .= &mt('response').' '.$respid; |
$seq_str .= &mt('response').' '.$respid; |
} |
} |
$seq_str .= "</td></tr>\n"; |
$seq_str .= "</td></tr>\n"; |
Line 354 Inputs: $resource: a resource object
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Line 356 Inputs: $resource: a resource object
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Returns: $answer |
Returns: $answer |
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If $partid and $respid are specified, $answer is simply a scalar containing |
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the correct answer for the response. |
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If $partid or $respid are undefined, $answer will be a hash reference with |
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keys $partid.'.'.$respid.'.answer'. |
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=cut |
=cut |
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##################################################### |
##################################################### |
Line 363 sub analyze_problem_as_student {
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Line 371 sub analyze_problem_as_student {
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my $returnvalue; |
my $returnvalue; |
my $url = $resource->{'src'}; |
my $url = $resource->{'src'}; |
my $symb = $resource->{'symb'}; |
my $symb = $resource->{'symb'}; |
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my $answer = &get_from_answer_cache($sname,$sdom,$symb,$partid,$respid); |
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if (defined($answer)) { |
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return($answer); |
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} |
my $courseid = $ENV{'request.course.id'}; |
my $courseid = $ENV{'request.course.id'}; |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
my $Answ=&Apache::lonnet::ssi($url,('grade_target' => 'analyze', |
'grade_domain' => $sdom, |
'grade_domain' => $sdom, |
Line 371 sub analyze_problem_as_student {
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Line 383 sub analyze_problem_as_student {
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'grade_courseid' => $courseid)); |
'grade_courseid' => $courseid)); |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
(my $garbage,$Answ)=split(/_HASH_REF__/,$Answ,2); |
my %Answer=&Apache::lonnet::str2hash($Answ); |
my %Answer=&Apache::lonnet::str2hash($Answ); |
my $prefix = $partid.'.'.$respid; |
# |
my $key = $prefix.'.answer'; |
undef($answer); |
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foreach my $partid (@{$resource->{'parts'}}) { |
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my $partdata = $resource->{'partdata'}->{$partid}; |
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foreach my $respid (@{$partdata->{'ResponseIds'}}) { |
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my $prefix = $partid.'.'.$respid; |
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my $key = $prefix.'.answer'; |
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$answer->{$partid}->{$respid} = &get_answer($prefix,$key,%Answer); |
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} |
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} |
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&store_answer($sname,$sdom,$symb,undef,undef,$answer); |
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if (! defined($partid)) { |
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$returnvalue = $answer; |
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} elsif (! defined($respid)) { |
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$returnvalue = $answer->{$partid}; |
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} else { |
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$returnvalue = $answer->{$partid}->{$respid}; |
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} |
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return $returnvalue; |
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} |
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sub get_answer { |
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my ($prefix,$key,%Answer) = @_; |
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my $returnvalue; |
if (exists($Answer{$key})) { |
if (exists($Answer{$key})) { |
my $student_answer = $Answer{$key}->[0]; |
my $student_answer = $Answer{$key}->[0]; |
if (! defined($student_answer)) { |
if (! defined($student_answer)) { |
Line 405 sub analyze_problem_as_student {
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Line 439 sub analyze_problem_as_student {
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} |
} |
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##################################################### |
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##################################################### |
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=pod |
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=item Caching routines |
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=over 4 |
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=item &load_answer_cache($symb) |
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Loads the cache for the given symb into memory from disk. |
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Requires the cache filename be set. |
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Only should be called by &ensure_proper_cache. |
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=cut |
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##################################################### |
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##################################################### |
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{ |
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my $cache_filename = undef; |
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my $current_symb = undef; |
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my %cache; |
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sub load_answer_cache { |
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my ($symb) = @_; |
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return if (! defined($cache_filename)); |
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if (! defined($current_symb) || $current_symb ne $symb) { |
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undef(%cache); |
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my $storedstring; |
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my %cache_db; |
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if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_READER(),0640)) { |
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$storedstring = $cache_db{&Apache::lonnet::escape($symb)}; |
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untie(%cache_db); |
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} |
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if (defined($storedstring)) { |
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%cache = %{thaw($storedstring)}; |
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} |
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} |
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return; |
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} |
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##################################################### |
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##################################################### |
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=pod |
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=item &get_from_answer_cache($sname,$sdom,$symb,$partid,$respid) |
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Returns the appropriate data from the cache, or undef if no data exists. |
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If $respid is undefined, a hash ref containing the answers for the given |
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$partid is returned. If $partid is undefined, a hash ref containing answers |
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for all of the parts is returned. |
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=cut |
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##################################################### |
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##################################################### |
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sub get_from_answer_cache { |
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my ($sname,$sdom,$symb,$partid,$respid) = @_; |
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&ensure_proper_cache($symb); |
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my $returnvalue; |
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if (exists($cache{$sname.':'.$sdom}) && |
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ref($cache{$sname.':'.$sdom}) eq 'HASH') { |
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if (defined($partid) && |
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exists($cache{$sname.':'.$sdom}->{$partid})) { |
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if (defined($respid) && |
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exists($cache{$sname.':'.$sdom}->{$partid}->{$respid})) { |
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$returnvalue = $cache{$sname.':'.$sdom}->{$partid}->{$respid}; |
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} else { |
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$returnvalue = $cache{$sname.':'.$sdom}->{$partid}; |
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} |
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} else { |
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$returnvalue = $cache{$sname.':'.$sdom}; |
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} |
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} else { |
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$returnvalue = undef; |
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} |
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return $returnvalue; |
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} |
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##################################################### |
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##################################################### |
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=pod |
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=item &write_answer_cache($symb) |
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Writes the in memory cache to disk so that it can be read in with |
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&load_answer_cache($symb). |
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=cut |
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##################################################### |
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##################################################### |
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sub write_answer_cache { |
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return if (! defined($current_symb) || ! defined($cache_filename)); |
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my %cache_db; |
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my $key = &Apache::lonnet::escape($current_symb); |
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if (tie(%cache_db,'GDBM_File',$cache_filename,&GDBM_WRCREAT(),0640)) { |
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my $storestring = freeze(\%cache); |
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$cache_db{$key}=$storestring; |
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$cache_db{$key.'.time'}=time; |
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untie(%cache_db); |
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} |
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undef(%cache); |
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undef($current_symb); |
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undef($cache_filename); |
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return; |
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} |
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##################################################### |
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##################################################### |
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=pod |
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=item &ensure_proper_cache($symb) |
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Called to make sure we have the proper cache set up. This is called |
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prior to every answer lookup. |
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=cut |
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##################################################### |
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##################################################### |
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sub ensure_proper_cache { |
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my ($symb) = @_; |
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my $cid = $ENV{'request.course.id'}; |
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my $new_filename = '/home/httpd/perl/tmp/'. |
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'problemanalsysis_'.$cid.'answer_cache.db'; |
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if (! defined($cache_filename) || |
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$cache_filename ne $new_filename || |
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! defined($current_symb) || |
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$current_symb ne $symb) { |
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$cache_filename = $new_filename; |
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# Notice: $current_symb is not set to $symb until after the cache is |
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# loaded. This is what tells &load_answer_cache to load in a new |
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# symb cache. |
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&load_answer_cache($symb); |
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$current_symb = $symb; |
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} |
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} |
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##################################################### |
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##################################################### |
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=pod |
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=item &store_answer($sname,$sdom,$symb,$partid,$respid,$dataset) |
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Stores the answer data in the in memory cache. |
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=cut |
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##################################################### |
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##################################################### |
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sub store_answer { |
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my ($sname,$sdom,$symb,$partid,$respid,$dataset) = @_; |
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return if ($symb ne $current_symb); |
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if (defined($partid)) { |
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if (defined($respid)) { |
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$cache{$sname.':'.$sdom}->{$partid}->{$respid} = $dataset; |
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} else { |
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$cache{$sname.':'.$sdom}->{$partid} = $dataset; |
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} |
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} else { |
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$cache{$sname.':'.$sdom}=$dataset; |
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} |
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return; |
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} |
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} |
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##################################################### |
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##################################################### |
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=pod |
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=back |
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=cut |
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##################################################### |
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##################################################### |
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## |
## |
## The following is copied from datecalc1.pl, part of the |
## The following is copied from datecalc1.pl, part of the |
## Spreadsheet::WriteExcel CPAN module. |
## Spreadsheet::WriteExcel CPAN module. |
Line 612 sub get_problem_data {
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Line 830 sub get_problem_data {
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while (my($key,$value) = each(%Answer)) { |
while (my($key,$value) = each(%Answer)) { |
# |
# |
# Logging code: |
# Logging code: |
if (1) { |
if (0) { |
&Apache::lonnet::logthis($part.' got key "'.$key.'"'); |
&Apache::lonnet::logthis($part.' got key "'.$key.'"'); |
if (ref($value) eq 'ARRAY') { |
if (ref($value) eq 'ARRAY') { |
&Apache::lonnet::logthis(' @'.join(',',@$value)); |
&Apache::lonnet::logthis(' @'.join(',',@$value)); |
Line 654 sub get_problem_data {
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Line 872 sub get_problem_data {
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} |
} |
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#################################################### |
#################################################### |
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#################################################### |
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=pod |
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=item &limit_by_time() |
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=cut |
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#################################################### |
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#################################################### |
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sub limit_by_time_form { |
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my $Starttime_form = ''; |
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my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
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('limitby_startdate'); |
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my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
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('limitby_enddate'); |
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if (! defined($endtime)) { |
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$endtime = time; |
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} |
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if (! defined($starttime)) { |
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$starttime = $endtime - 60*60*24*7; |
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} |
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my $state; |
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if (&limit_by_time()) { |
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$state = ''; |
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} else { |
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$state = 'disabled'; |
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} |
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my $startdateform = &Apache::lonhtmlcommon::date_setter |
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('Statistics','limitby_startdate',$starttime,undef,undef,$state); |
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my $enddateform = &Apache::lonhtmlcommon::date_setter |
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('Statistics','limitby_enddate',$endtime,undef,undef,$state); |
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my $Str; |
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$Str .= '<script language="Javascript" >'; |
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$Str .= 'function toggle_limitby_activity(state) {'; |
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$Str .= ' if (state) {'; |
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$Str .= ' limitby_startdate_enable();'; |
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$Str .= ' limitby_enddate_enable();'; |
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$Str .= ' } else {'; |
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$Str .= ' limitby_startdate_disable();'; |
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$Str .= ' limitby_enddate_disable();'; |
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$Str .= ' }'; |
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$Str .= '}'; |
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$Str .= '</script>'; |
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$Str .= '<fieldset>'; |
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my $timecheckbox = '<input type="checkbox" name="limit_by_time" '; |
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if (&limit_by_time()) { |
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$timecheckbox .= ' checked '; |
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} |
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$timecheckbox .= 'OnChange="javascript:toggle_limitby_activity(this.checked);" '; |
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$timecheckbox .= ' />'; |
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$Str .= '<legend>'.&mt('[_1] Limit by time',$timecheckbox).'</legend>'; |
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$Str .= &mt('Start Time: [_1]',$startdateform).'<br />'; |
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$Str .= &mt(' End Time: [_1]',$enddateform).'<br />'; |
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$Str .= '</fieldset>'; |
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return $Str; |
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} |
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sub limit_by_time { |
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if (exists($ENV{'form.limit_by_time'}) && |
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$ENV{'form.limit_by_time'} ne '' ) { |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
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sub get_time_limits { |
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my $starttime = &Apache::lonhtmlcommon::get_date_from_form |
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('limitby_startdate'); |
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my $endtime = &Apache::lonhtmlcommon::get_date_from_form |
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('limitby_enddate'); |
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return ($starttime,$endtime); |
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} |
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#################################################### |
#################################################### |
#################################################### |
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=pod |
=pod |