[BACK]Return to loncoursedata.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/loncoursedata.pm between versions 1.103 and 1.110

version 1.103, 2003/10/09 14:50:01 version 1.110, 2003/12/11 22:18:04
Line 73  and/or itself. Line 73  and/or itself.
   
 =item &get_sequence_assessment_data()  =item &get_sequence_assessment_data()
   
 AT THIS TIME THE USE OF THIS FUNCTION IS *NOT* RECOMMENDED  
   
 Use lonnavmaps to build a data structure describing the order and   Use lonnavmaps to build a data structure describing the order and 
 assessment contents of each sequence in the current course.  assessment contents of each sequence in the current course.
   
Line 190  sub get_sequence_assessment_data { Line 188  sub get_sequence_assessment_data {
         $title =~ s/\:/\&\#058;/g;          $title =~ s/\:/\&\#058;/g;
         $symb  = $curRes->symb();          $symb  = $curRes->symb();
         $src   = $curRes->src();          $src   = $curRes->src();
           # Grab the filename if there is not title available
           if (! defined($title) || $title eq '') {
               ($title) = ($src=~ m:/([^/]*)$:);
           }
         my $parts = $curRes->parts();          my $parts = $curRes->parts();
         my %partdata;          my %partdata;
         foreach my $part (@$parts) {          foreach my $part (@$parts) {
Line 1039  sub get_student_id { Line 1041  sub get_student_id {
         $have_read_student_table = 1;          $have_read_student_table = 1;
     }      }
     if (! exists($ids_by_student{$student})) {      if (! exists($ids_by_student{$student})) {
         &Apache::lonmysql::store_row($student_table,[undef,$student,undef]);          &Apache::lonmysql::store_row($student_table,
                                        [undef,$student,undef]);
         undef(%ids_by_student);          undef(%ids_by_student);
         my @Result = &Apache::lonmysql::get_rows($student_table);          my @Result = &Apache::lonmysql::get_rows($student_table);
         foreach (@Result) {          foreach (@Result) {
Line 1888  sub get_problem_statistics { Line 1891  sub get_problem_statistics {
     my $dbh = &Apache::lonmysql::get_dbh();      my $dbh = &Apache::lonmysql::get_dbh();
     return undef if (! defined($dbh));      return undef if (! defined($dbh));
     #      #
     # A) Number of Students attempting problem  
     # B) Total number of tries of students attempting problem  
     # C) Mod (largest number of tries for solving the problem)  
     # D) Mean (average number of tries for solving the problem)  
     # E) Number of students to solve the problem  
     # F) Number of students to solve the problem by override  
     # G) Number of students unable to solve the problem  
     # H) Degree of difficulty : 1-(E+F)/B  
     # I) Standard deviation of number of tries  
     # J) Skew of tries: sqrt(sum(Xi-D)^3)/A  
     #  
     $dbh->do('DROP TABLE '.$stats_table);  # May return an error      $dbh->do('DROP TABLE '.$stats_table);  # May return an error
     my $request =       my $request = 
         'CREATE TEMPORARY TABLE '.$stats_table.          'CREATE TEMPORARY TABLE '.$stats_table.
             ' SELECT student_id,solved,award,tries FROM '.$performance_table.              ' SELECT student_id,solved,award,awarded,tries FROM '.$performance_table.
                 ' WHERE symb_id='.$symb_id.' AND part_id='.$part_id;                  ' WHERE symb_id='.$symb_id.' AND part_id='.$part_id;
     if (defined($students)) {      if (defined($students)) {
         $request .= ' AND ('.          $request .= ' AND ('.
Line 1914  sub get_problem_statistics { Line 1906  sub get_problem_statistics {
     }      }
 #    &Apache::lonnet::logthis($request);  #    &Apache::lonnet::logthis($request);
     $dbh->do($request);      $dbh->do($request);
   #    &Apache::lonnet::logthis('request = '.$/.$request);
       $request = 'SELECT COUNT(*),SUM(tries),MAX(tries),AVG(tries),STD(tries) '.
           'FROM '.$stats_table;
     my ($num,$tries,$mod,$mean,$STD) = &execute_SQL_request      my ($num,$tries,$mod,$mean,$STD) = &execute_SQL_request
         ($dbh,          ($dbh,$request);
          'SELECT COUNT(*),SUM(tries),MAX(tries),AVG(tries),STD(tries) FROM '.  #    &Apache::lonnet::logthis('request = '.$/.$request);
          $stats_table);      $request = 'SELECT SUM(awarded) FROM '.$stats_table;
     my ($Solved) = &execute_SQL_request($dbh,'SELECT COUNT(tries) FROM '.      my ($Solved) = &execute_SQL_request($dbh,$request);
                                         $stats_table.  #    &Apache::lonnet::logthis('request = '.$/.$request);
          " WHERE solved='correct_by_student' OR solved='correct_by_scantron'");      $request = 'SELECT SUM(awarded) FROM '.$stats_table.
     my ($solved) = &execute_SQL_request($dbh,'SELECT COUNT(tries) FROM '.          " WHERE solved='correct_by_override'";
                                         $stats_table.  #    &Apache::lonnet::logthis('request = '.$/.$request);
                                         " WHERE solved='correct_by_override'");      my ($solved) = &execute_SQL_request($dbh,$request);
   #    $Solved = int($Solved);
   #    $solved = int($solved);
       #
     $num    = 0 if (! defined($num));      $num    = 0 if (! defined($num));
     $tries  = 0 if (! defined($tries));      $tries  = 0 if (! defined($tries));
     $mod    = 0 if (! defined($mod));      $mod    = 0 if (! defined($mod));
Line 1943  sub get_problem_statistics { Line 1941  sub get_problem_statistics {
         $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;          $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;
     }      }
     #      #
     $dbh->do('DROP TABLE '.$stats_table);  # May return an error  #    $dbh->do('DROP TABLE '.$stats_table);  # May return an error
     #      #
     # Store in metadata      # Store in metadata
     #      #
Line 1987  sub execute_SQL_request { Line 1985  sub execute_SQL_request {
     return ();      return ();
 }  }
   
 #sub get_timestamp_data {  sub get_student_data {
 #    my ($students,$symb,      my ($students,$courseid) = @_;
 sub get_optionresponse_data {      $courseid = $ENV{'request.course.id'} if (! defined($courseid));
       &setup_table_names($courseid);
       my $dbh = &Apache::lonmysql::get_dbh();
       return undef if (! defined($dbh));
       my $request = 'SELECT '.
           'student_id, student '.
           'FROM '.$student_table;
       if (defined($students)) {
           $request .= ' WHERE ('.
               join(' OR ', map {'student_id='.
                                     &get_student_id($_->{'username'},
                                                     $_->{'domain'})
                                 } @$students
                    ).')';
       }
       $request.= ' ORDER BY student_id';
       my $sth = $dbh->prepare($request);
       $sth->execute();
       if ($dbh->err) {
           &Apache::lonnet::logthis('error = '.$dbh->errstr());
           return undef;
       }
       my $dataset = $sth->fetchall_arrayref();
       if (ref($dataset) eq 'ARRAY' && scalar(@$dataset)>0) {
           return $dataset;
       }
   }
   
   sub RD_student_id    { return 0; }
   sub RD_awarddetail   { return 1; }
   sub RD_response_eval { return 2; }
   sub RD_submission    { return 3; }
   sub RD_timestamp     { return 4; }
   sub RD_tries         { return 5; }
   sub RD_sname         { return 6; }
   
   sub get_response_data {
     my ($students,$symb,$response,$courseid) = @_;      my ($students,$symb,$response,$courseid) = @_;
     return undef if (! defined($symb) ||       return undef if (! defined($symb) || 
                ! defined($response));                 ! defined($response));
Line 2002  sub get_optionresponse_data { Line 2036  sub get_optionresponse_data {
     my $dbh = &Apache::lonmysql::get_dbh();      my $dbh = &Apache::lonmysql::get_dbh();
     return undef if (! defined($dbh));      return undef if (! defined($dbh));
     my $request = 'SELECT '.      my $request = 'SELECT '.
         'a.response_specific_value, a.submission, b.timestamp, c.tries '.          'a.student_id, a.awarddetail, a.response_specific_value, '.
           'a.submission, b.timestamp, c.tries, d.student '.
         'FROM '.$fulldump_response_table.' AS a '.          'FROM '.$fulldump_response_table.' AS a '.
         'LEFT JOIN '.$fulldump_timestamp_table.' AS b '.          'LEFT JOIN '.$fulldump_timestamp_table.' AS b '.
         'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '.          'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '.
Line 2010  sub get_optionresponse_data { Line 2045  sub get_optionresponse_data {
         'LEFT JOIN '.$fulldump_part_table.' AS c '.          'LEFT JOIN '.$fulldump_part_table.' AS c '.
         'ON a.symb_id=c.symb_id AND a.student_id=c.student_id AND '.                  'ON a.symb_id=c.symb_id AND a.student_id=c.student_id AND '.        
         'a.part_id=c.part_id AND a.transaction = c.transaction '.          'a.part_id=c.part_id AND a.transaction = c.transaction '.
           'LEFT JOIN '.$student_table.' AS d '.
           'ON a.student_id=d.student_id '.
         'WHERE '.          'WHERE '.
         'a.symb_id='.$symb_id.' AND a.response_id='.$response_id;          'a.symb_id='.$symb_id.' AND a.response_id='.$response_id;
     if (defined($students)) {      if (defined($students)) {
Line 2024  sub get_optionresponse_data { Line 2061  sub get_optionresponse_data {
 #    &Apache::lonnet::logthis("request =\n".$request);  #    &Apache::lonnet::logthis("request =\n".$request);
     my $sth = $dbh->prepare($request);      my $sth = $dbh->prepare($request);
     $sth->execute();      $sth->execute();
       if ($dbh->err) {
           &Apache::lonnet::logthis('error = '.$dbh->errstr());
           return undef;
       }
       my $dataset = $sth->fetchall_arrayref();
       if (ref($dataset) eq 'ARRAY' && scalar(@$dataset)>0) {
           return $dataset;
       }
   }
   
   sub RT_student_id { return 0; }
   sub RT_awarded    { return 1; }
   sub RT_tries      { return 2; }
   sub RT_timestamp  { return 3; }
   
   sub get_response_time_data {
       my ($students,$symb,$part,$courseid) = @_;
       return undef if (! defined($symb) || 
                        ! defined($part));
       $courseid = $ENV{'request.course.id'} if (! defined($courseid));
       #
       &setup_table_names($courseid);
       my $symb_id = &get_symb_id($symb);
       my $part_id = &get_part_id($part);
       #
       my $dbh = &Apache::lonmysql::get_dbh();
       return undef if (! defined($dbh));
       my $request = 'SELECT '.
           'a.student_id, a.awarded, a.tries, b.timestamp '.
           'FROM '.$fulldump_part_table.' AS a '.
           'NATURAL LEFT JOIN '.$fulldump_timestamp_table.' AS b '.
   #        'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '.
   #        'a.transaction = b.transaction '.
           'WHERE '.
           'a.symb_id='.$symb_id.' AND a.part_id='.$part_id;
       if (defined($students)) {
           $request .= ' AND ('.
               join(' OR ', map {'a.student_id='.
                                     &get_student_id($_->{'username'},
                                                     $_->{'domain'})
                                 } @$students
                    ).')';
       }
       $request .= ' ORDER BY b.timestamp';
   #    &Apache::lonnet::logthis("request =\n".$request);
       my $sth = $dbh->prepare($request);
       $sth->execute();
       if ($dbh->err) {
           &Apache::lonnet::logthis('error = '.$dbh->errstr());
           return undef;
       }
     my $dataset = $sth->fetchall_arrayref();      my $dataset = $sth->fetchall_arrayref();
     if (ref($dataset) eq 'ARRAY' && scalar(@$dataset)>0) {      if (ref($dataset) eq 'ARRAY' && scalar(@$dataset)>0) {
         return $dataset;          return $dataset;
     }      }
   
 }  }
   
 ################################################  ################################################
Removed from v.1.103  
changed lines
  Added in v.1.110

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>