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Diff for /loncom/interface/loncoursedata.pm between versions 1.150 and 1.158

version 1.150, 2005/10/04 18:27:32 version 1.158, 2006/04/08 06:51:47
Line 49  Set of functions that download and proce Line 49  Set of functions that download and proce
 package Apache::loncoursedata;  package Apache::loncoursedata;
   
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use Time::HiRes;  use Time::HiRes;
Line 66  and/or itself. Line 65  and/or itself.
   
 =cut  =cut
   
 sub LoadDiscussion {  
     my ($courseID)=@_;  
     my %Discuss=();  
     my %contrib=&Apache::lonnet::dump(  
                 $courseID,  
                 $env{'course.'.$courseID.'.domain'},  
                 $env{'course.'.$courseID.'.num'});  
     
     #my %contrib=&DownloadCourseInformation($name, $courseID, 0);  
   
     foreach my $temp(keys %contrib) {  
  if ($temp=~/^version/) {  
     my $ver=$contrib{$temp};  
     my ($dummy,$prb)=split(':',$temp);  
     for (my $idx=1; $idx<=$ver; $idx++ ) {  
  my $name=$contrib{"$idx:$prb:sendername"};  
  $Discuss{"$name:$prb"}=$idx;  
     }  
  }  
     }         
   
     return \%Discuss;  
 }  
   
 ################################################  ################################################
 ################################################  ################################################
   
Line 973  sub update_full_student_data { Line 948  sub update_full_student_data {
     #      #
     # Download students data      # Download students data
     my $time_of_retrieval = time;      my $time_of_retrieval = time;
     my @tmp = &Apache::lonnet::dump($courseid,$sdom,$sname);      my @tmp = &Apache::lonnet::dumpstore($courseid,$sdom,$sname);
     if (@tmp && $tmp[0] =~ /^error/) {      if (@tmp && $tmp[0] =~ /^error/) {
         $returnstatus = 'error retrieving full student data';          $returnstatus = 'error retrieving full student data';
         return $returnstatus;          return $returnstatus;
Line 1291  sub store_student_data { Line 1266  sub store_student_data {
         while (my ($parameter,$value) = each(%$param_hash)) {          while (my ($parameter,$value) = each(%$param_hash)) {
             next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/);              next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/);
             my $part = $1;              my $part = $1;
       next if ($part =~ /\./);
             next if (exists($stored{$part}));              next if (exists($stored{$part}));
             $stored{$part}++;              $stored{$part}++;
             #              #
Line 1872  sub execute_SQL_request { Line 1848  sub execute_SQL_request {
     my ($dbh,$request)=@_;      my ($dbh,$request)=@_;
 #    &Apache::lonnet::logthis($request);  #    &Apache::lonnet::logthis($request);
     my $sth = $dbh->prepare($request);      my $sth = $dbh->prepare($request);
       if (!$sth) {
    die($dbh->errstr . " SQL: $request");
       }
     $sth->execute();      $sth->execute();
     my $row = $sth->fetchrow_arrayref();      my $row = $sth->fetchrow_arrayref();
     if (ref($row) eq 'ARRAY' && scalar(@$row)>0) {      if (ref($row) eq 'ARRAY' && scalar(@$row)>0) {
Line 2029  Inputs: Line 2008  Inputs:
     $Sections: array ref of sections to include,      $Sections: array ref of sections to include,
     $enrollment: string,      $enrollment: string,
     $courseid (may be omitted)      $courseid (may be omitted)
       $starttime (may be omitted)
       $endtime (may be omitted)
       $has_award_for (may be omitted)
   
 Returns; An array of arrays.  The sub arrays contain a student name and  Returns; An array of arrays.  The sub arrays contain a student name and
 their score on the resources.  their score on the resources. $starttime and $endtime constrain the
   list to awards obtained during the given time limits. $has_score_on
   constrains the list to those students who at least attempted the
   resource identified by the given symb, which is used to filter out
   such students for statistics that would be adversely affected by such
   students. 
   
 =cut  =cut
   
Line 2041  sub RNK_student { return 0; }; Line 2028  sub RNK_student { return 0; };
 sub RNK_score   { return 1; };  sub RNK_score   { return 1; };
   
 sub rank_students_by_scores_on_resources {  sub rank_students_by_scores_on_resources {
     my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime) = @_;      my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime,$has_award_for) = @_;
     return if (! defined($resources) || ! ref($resources) eq 'ARRAY');      return if (! defined($resources) || ! ref($resources) eq 'ARRAY');
     if (! defined($courseid)) {      if (! defined($courseid)) {
         $courseid = $env{'request.course.id'};          $courseid = $env{'request.course.id'};
Line 2054  sub rank_students_by_scores_on_resources Line 2041  sub rank_students_by_scores_on_resources
     my $symb_limits = '('.join(' OR ',map {'a.symb_id='.&get_symb_id($_);      my $symb_limits = '('.join(' OR ',map {'a.symb_id='.&get_symb_id($_);
                                        } @$resources                                         } @$resources
                                ).')';                                 ).')';
       my ($award_col, $award_join, $award_clause) = ('', '', '');
       if ($has_award_for) {
           my $resource_id = &get_symb_id($has_award_for);
           $award_col = ", perf.awarded";
           $award_join = "LEFT JOIN $performance_table AS perf ON perf.symb_id"
               ." = $resource_id AND perf.student_id = b.student_id ";
           $award_clause = "AND perf.awarded IS NOT NULL";
       }
     my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a');      my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a');
     my $request = 'SELECT b.student,SUM(a.awarded*w.weight) AS score FROM '.      my $request = "SELECT b.student,SUM(a.awarded*w.weight) AS score "
         $performance_table.' AS a '.          ."$award_col FROM $performance_table AS a ".
         'NATURAL LEFT JOIN '.$weight_table.' AS w '.          "NATURAL LEFT JOIN $weight_table AS w ".
         'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '.          "LEFT JOIN $student_table AS b ON a.student_id=b.student_id ".
         'WHERE ';          "$award_join WHERE ";
     if (defined($section_limits)) {      if (defined($section_limits)) {
         $request .= $section_limits.' AND ';          $request .= $section_limits.' AND ';
     }      }
Line 2074  sub rank_students_by_scores_on_resources Line 2069  sub rank_students_by_scores_on_resources
     }      }
     $request =~ s/( AND )$//;   # Remove extra conjunction      $request =~ s/( AND )$//;   # Remove extra conjunction
     $request =~ s/( WHERE )$//; # In case there were no limits placed on it      $request =~ s/( WHERE )$//; # In case there were no limits placed on it
     $request .= ' GROUP BY a.student_id ORDER BY score';      $request .= " $award_clause GROUP BY a.student_id ORDER BY score";
     #&Apache::lonnet::logthis('request = '.$/.$request);      #&Apache::lonnet::logthis('request = '.$/.$request);
     my $sth = $dbh->prepare($request);      my $sth = $dbh->prepare($request) or die "Can't prepare $request";
     $sth->execute();      $sth->execute();
     my $rows = $sth->fetchall_arrayref();      my $rows = $sth->fetchall_arrayref();
     return ($rows);      return ($rows);
Line 2211  sub score_stats { Line 2206  sub score_stats {
 #    &Apache::lonnet::logthis('request = '.$/.$request);  #    &Apache::lonnet::logthis('request = '.$/.$request);
           
     $request = 'SELECT SUM(weight) FROM '.$weight_table.      $request = 'SELECT SUM(weight) FROM '.$weight_table.
         ' WHERE ('.$symb_restriction.')';          ' AS a WHERE ('.$symb_restriction.')';
     my ($max_possible) = &execute_SQL_request($dbh,$request);      my ($max_possible) = &execute_SQL_request($dbh,$request);
     # &Apache::lonnet::logthis('request = '.$/.$request);      # &Apache::lonnet::logthis('request = '.$/.$request);
     return($min,$max,$ave,$std,$count,$max_possible);      return($min,$max,$ave,$std,$count,$max_possible);
Line 2260  sub count_stats { Line 2255  sub count_stats {
     $request =       $request = 
         'CREATE TEMPORARY TABLE '.$stats_table.' '.          'CREATE TEMPORARY TABLE '.$stats_table.' '.
         'SELECT a.student_id,'.          'SELECT a.student_id,'.
         'COUNT(a.award) AS count FROM '.          'SUM(a.awarded) AS count FROM '.
         $performance_table.' AS a '.          $performance_table.' AS a '.
         'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '.          'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '.
         'WHERE ('.$symb_restriction.')'.          'WHERE ('.$symb_restriction.')';
         " AND a.award!='INCORRECT_ATTEMPTED'";  
     if ($time_limits) {      if ($time_limits) {
         $request .= ' AND '.$time_limits;          $request .= ' AND '.$time_limits;
     }      }
Removed from v.1.150  
changed lines
  Added in v.1.158

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