Diff for /loncom/interface/loncoursedata.pm between versions 1.128 and 1.136

version 1.128, 2004/03/26 22:01:30 version 1.136, 2004/06/29 04:30:00
Line 199  sub get_sequence_assessment_data { Line 199  sub get_sequence_assessment_data {
             my @Ids       = $curRes->responseIds($part);              my @Ids       = $curRes->responseIds($part);
             $partdata{$part}->{'ResponseTypes'}= \@Responses;              $partdata{$part}->{'ResponseTypes'}= \@Responses;
             $partdata{$part}->{'ResponseIds'}  = \@Ids;              $partdata{$part}->{'ResponseIds'}  = \@Ids;
               $partdata{$part}->{'Survey'}       = $curRes->is_survey($part);
             # Count how many responses of each type there are in this part              # Count how many responses of each type there are in this part
             foreach (@Responses) {              foreach (@Responses) {
                 $partdata{$part}->{$_}++;                  $partdata{$part}->{$_}++;
Line 547  store student data. Line 548  store student data.
 ################################################  ################################################
 ################################################  ################################################
 sub init_dbs {  sub init_dbs {
     my $courseid = shift;      my ($courseid,$drop) = @_;
     &setup_table_names($courseid);      &setup_table_names($courseid);
     #      #
     # Drop any of the existing tables      # Drop any of the existing tables
     foreach my $table (@Tables) {      if ($drop) {
         &Apache::lonmysql::drop_table($table);          foreach my $table (@Tables) {
               &Apache::lonmysql::drop_table($table);
           }
     }      }
     #      #
     # Note - changes to this table must be reflected in the code that       # Note - changes to this table must be reflected in the code that 
Line 580  sub init_dbs { Line 583  sub init_dbs {
                       restrictions => 'NOT NULL',                        restrictions => 'NOT NULL',
                       auto_inc     => 'yes', },                        auto_inc     => 'yes', },
                     { name => 'part',                      { name => 'part',
                       type => 'VARCHAR(100)',                        type => 'VARCHAR(100) BINARY',
                       restrictions => 'NOT NULL'},                        restrictions => 'NOT NULL'},
                     ],                      ],
         'PRIMARY KEY' => ['part (100)'],          'PRIMARY KEY' => ['part (100)'],
Line 595  sub init_dbs { Line 598  sub init_dbs {
                       restrictions => 'NOT NULL',                        restrictions => 'NOT NULL',
                       auto_inc     => 'yes', },                        auto_inc     => 'yes', },
                     { name => 'student',                      { name => 'student',
                       type => 'VARCHAR(100)',                        type => 'VARCHAR(100) BINARY',
                       restrictions => 'NOT NULL UNIQUE'},                        restrictions => 'NOT NULL UNIQUE'},
                     { name => 'section',                      { name => 'section',
                       type => 'VARCHAR(100)',                        type => 'VARCHAR(100) BINARY',
                       restrictions => 'NOT NULL'},                        restrictions => 'NOT NULL'},
                     { name => 'status',                      { name => 'status',
                       type => 'VARCHAR(15)',                        type => 'VARCHAR(15) BINARY',
                       restrictions => 'NOT NULL'},                        restrictions => 'NOT NULL'},
                     { name => 'classification',                      { name => 'classification',
                       type => 'varchar(100)', },                        type => 'VARCHAR(100) BINARY', },
                     { name => 'updatetime',                      { name => 'updatetime',
                       type => 'INT UNSIGNED'},                        type => 'INT UNSIGNED'},
                     { name => 'fullupdatetime',                      { name => 'fullupdatetime',
Line 629  sub init_dbs { Line 632  sub init_dbs {
                       type => 'MEDIUMINT UNSIGNED',                        type => 'MEDIUMINT UNSIGNED',
                       restrictions => 'NOT NULL' },                        restrictions => 'NOT NULL' },
                     { name => 'part',                      { name => 'part',
                       type => 'VARCHAR(100)',                        type => 'VARCHAR(100) BINARY',
                       restrictions => 'NOT NULL'},                                            restrictions => 'NOT NULL'},                    
                     { name => 'solved',                      { name => 'solved',
                       type => 'TINYTEXT' },                        type => 'TINYTEXT' },
Line 709  sub init_dbs { Line 712  sub init_dbs {
                     { name => 'awarddetail',                      { name => 'awarddetail',
                       type => 'TINYTEXT' },                        type => 'TINYTEXT' },
 #                    { name => 'message',  #                    { name => 'message',
 #                      type => 'CHAR' },  #                      type => 'CHAR BINARY'},
                     { name => 'response_specific',                      { name => 'response_specific',
                       type => 'TINYTEXT' },                        type => 'TINYTEXT' },
                     { name => 'response_specific_value',                      { name => 'response_specific_value',
Line 1081  sub populate_student_table { Line 1084  sub populate_student_table {
     }      }
     #      #
     &setup_table_names($courseid);      &setup_table_names($courseid);
       &init_dbs($courseid,0);
     my $dbh = &Apache::lonmysql::get_dbh();      my $dbh = &Apache::lonmysql::get_dbh();
     my $request = 'INSERT IGNORE INTO '.$student_table.      my $request = 'INSERT IGNORE INTO '.$student_table.
         "(student,section,status) VALUES ";          "(student,section,status) VALUES ";
Line 1594  sub ensure_tables_are_set_up { Line 1598  sub ensure_tables_are_set_up {
         !$found_performance   || !$found_parameters        ||          !$found_performance   || !$found_parameters        ||
         !$found_fulldump_part || !$found_fulldump_response ||          !$found_fulldump_part || !$found_fulldump_response ||
         !$found_fulldump_timestamp || !$found_weight ) {          !$found_fulldump_timestamp || !$found_weight ) {
         if (&init_dbs($courseid)) {          if (&init_dbs($courseid,1)) {
             return 'error';              return 'error';
         }          }
     }      }
Line 2030  sub get_problem_statistics { Line 2034  sub get_problem_statistics {
     }      }
     my ($solved) = &execute_SQL_request($dbh,$request);      my ($solved) = &execute_SQL_request($dbh,$request);
     #      #
       $Solved -= $solved;
       #
     $num    = 0 if (! defined($num));      $num    = 0 if (! defined($num));
     $tries  = 0 if (! defined($tries));      $tries  = 0 if (! defined($tries));
     $max    = 0 if (! defined($max));      $max    = 0 if (! defined($max));
     $min    = 0 if (! defined($min));      $min    = 0 if (! defined($min));
     $STD    = 0 if (! defined($STD));      $STD    = 0 if (! defined($STD));
     $Solved = 0 if (! defined($Solved));      $Solved = 0 if (! defined($Solved) || $Solved < 0);
     $solved = 0 if (! defined($solved));      $solved = 0 if (! defined($solved));
     #      #
     # Compute the more complicated statistics      # Compute the more complicated statistics
Line 2056  sub get_problem_statistics { Line 2062  sub get_problem_statistics {
     # Drop the temporary table      # Drop the temporary table
     $dbh->do('DROP TABLE '.$stats_table);  # May return an error      $dbh->do('DROP TABLE '.$stats_table);  # May return an error
     #      #
     # Store in metadata  
     if ($num) {  
  my %storestats=();  
         #  
         my $urlres=(&Apache::lonnet::decode_symb($symb))[2];  
         #  
  $storestats{$courseid.'___'.$urlres.'___timestamp'}=time;         
  $storestats{$courseid.'___'.$urlres.'___stdno'}=$num;  
  $storestats{$courseid.'___'.$urlres.'___avetries'}=$mean;     
  $storestats{$courseid.'___'.$urlres.'___difficulty'}=$DegOfDiff;  
         #  
  $urlres=~/^(\w+)\/(\w+)/;   
  &Apache::lonnet::put('nohist_resevaldata',\%storestats,$1,$2);   
     }  
     #  
     # Return result      # Return result
     return { num_students => $num,      return { num_students => $num,
              tries        => $tries,               tries        => $tries,
Line 2160  sub populate_weight_table { Line 2151  sub populate_weight_table {
   
 =pod  =pod
   
   =item &limit_by_start_end_times
   
   Build SQL WHERE condition which limits the data collected by the start
   and end times provided
   
   Inputs: $starttime, $endtime, $table
   
   Returns: $time_limits
   
   =cut
   
   ##########################################################
   ##########################################################
   sub limit_by_start_end_time {
       my ($starttime,$endtime,$table) = @_;
       my $time_requirements = undef;
       if (defined($starttime)) {
           $time_requirements .= $table.".timestamp>='".$starttime."'";
           if (defined($endtime)) {
               $time_requirements .= " AND ".$table.".timestamp<='".$endtime."'";
           }
       } elsif (defined($endtime)) {
           $time_requirements .= $table.".timestamp<='".$endtime."'";
       }
       return $time_requirements;
   }
   
   ##########################################################
   ##########################################################
   
   =pod
   
 =item &limit_by_section_and_status  =item &limit_by_section_and_status
   
 Build SQL WHERE condition which limits the data collected by section and  Build SQL WHERE condition which limits the data collected by section and
Line 2215  sub RNK_student { return 0; }; Line 2238  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) = @_;      my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime) = @_;
     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 2228  sub rank_students_by_scores_on_resources Line 2251  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 $time_limits = &limit_by_start_end_time($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 FROM '.
         $performance_table.' AS a '.          $performance_table.' AS a '.
         'NATURAL LEFT JOIN '.$weight_table.' AS w '.          'NATURAL LEFT JOIN '.$weight_table.' AS w '.
Line 2239  sub rank_students_by_scores_on_resources Line 2263  sub rank_students_by_scores_on_resources
     if (defined($enrollment_limits)) {      if (defined($enrollment_limits)) {
         $request .= $enrollment_limits.' AND ';          $request .= $enrollment_limits.' AND ';
     }      }
       if (defined($time_limits)) {
           $request .= $time_limits.' AND ';
       }
     if ($symb_limits ne '()') {      if ($symb_limits ne '()') {
         $request .= $symb_limits.' AND ';          $request .= $symb_limits.' AND ';
     }      }
Line 2272  Returns: the sum of the score on the pro Line 2299  Returns: the sum of the score on the pro
 ########################################################  ########################################################
 ########################################################  ########################################################
 sub get_sum_of_scores {  sub get_sum_of_scores {
     my ($resource,$part,$students,$courseid) = @_;      my ($resource,$part,$students,$courseid,$starttime,$endtime) = @_;
     if (! defined($courseid)) {      if (! defined($courseid)) {
         $courseid = $ENV{'request.course.id'};          $courseid = $ENV{'request.course.id'};
     }      }
     #      #
     &setup_table_names($courseid);      &setup_table_names($courseid);
     my $dbh = &Apache::lonmysql::get_dbh();      my $dbh = &Apache::lonmysql::get_dbh();
       my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a');
     my $request = 'SELECT SUM(a.awarded*w.weight),SUM(w.weight) FROM '.      my $request = 'SELECT SUM(a.awarded*w.weight),SUM(w.weight) FROM '.
         $performance_table.' AS a '.          $performance_table.' AS a '.
         'NATURAL LEFT JOIN '.$weight_table.' AS w ';          'NATURAL LEFT JOIN '.$weight_table.' AS w ';
     $request .= 'WHERE a.symb_id='.&get_symb_id($resource->{'symb'}).      $request .= 'WHERE a.symb_id='.&get_symb_id($resource->{'symb'}).
         ' AND a.part_id='.&get_part_id($part);          ' AND a.part_id='.&get_part_id($part);
       if (defined($time_limits)) {
           $request .= ' AND '.$time_limits;
       }
     if (defined($students)) {      if (defined($students)) {
         $request .= ' AND ('.          $request .= ' AND ('.
             join(' OR ',map {'a.student_id='.&get_student_id(split(':',$_));              join(' OR ',map {'a.student_id='.&get_student_id(split(':',$_));
Line 2300  sub get_sum_of_scores { Line 2331  sub get_sum_of_scores {
     return ($rows->[0],$rows->[1]);      return ($rows->[0],$rows->[1]);
 }  }
   
   ########################################################
   ########################################################
   
   =pod
   
   =item &score_stats
   
   Inputs: $Sections, $enrollment, $symbs, $starttime,
           $endtime, $courseid
   
   $Sections, $enrollment, $starttime, $endtime, and $courseid are the same as 
   elsewhere in this module.  
   $symbs is an array ref of symbs
   
   Returns: minimum, maximum, mean, s.d., number of students, and maximum
     possible of student scores on the given resources
   
   =cut
   
   ########################################################
   ########################################################
   sub score_stats {
       my ($Sections,$enrollment,$symbs,$starttime,$endtime,$courseid)=@_;
       if (! defined($courseid)) {
           $courseid = $ENV{'request.course.id'};
       }
       #
       &setup_table_names($courseid);
       my $dbh = &Apache::lonmysql::get_dbh();
       #
       my ($section_limits,$enrollment_limits)=
           &limit_by_section_and_status($Sections,$enrollment,'b');
       my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a');
       my @Symbids = map { &get_symb_id($_); } @{$symbs};
       #
       my $stats_table = $courseid.'_problem_stats';
       my $symb_restriction = join(' OR ',map {'a.symb_id='.$_;} @Symbids);
       my $request = 'DROP TABLE '.$stats_table;
       $dbh->do($request);
       $request = 
           'CREATE TEMPORARY TABLE '.$stats_table.' '.
           'SELECT a.student_id,'.
           'SUM(a.awarded*w.weight) AS score FROM '.
           $performance_table.' AS a '.
           'NATURAL LEFT JOIN '.$weight_table.' AS w '.
           'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '.
           'WHERE ('.$symb_restriction.')';
       if ($time_limits) {
           $request .= ' AND '.$time_limits;
       }
       if ($section_limits) {
           $request .= ' AND '.$section_limits;
       }
       if ($enrollment_limits) {
           $request .= ' AND '.$enrollment_limits;
       }
       $request .= ' GROUP BY a.student_id';
   #    &Apache::lonnet::logthis('request = '.$/.$request);
       my $sth = $dbh->prepare($request);
       $sth->execute();
       $request = 
           'SELECT AVG(score),STD(score),MAX(score),MIN(score),COUNT(score) '.
           'FROM '.$stats_table;
       my ($ave,$std,$max,$min,$count) = &execute_SQL_request($dbh,$request);
   #    &Apache::lonnet::logthis('request = '.$/.$request);
       
       $request = 'SELECT SUM(weight) FROM '.$weight_table.
           ' WHERE ('.$symb_restriction.')';
       my ($max_possible) = &execute_SQL_request($dbh,$request);
       # &Apache::lonnet::logthis('request = '.$/.$request);
       return($min,$max,$ave,$std,$count,$max_possible);
   }
   
   
   ########################################################
   ########################################################
   
   =pod
   
   =item &count_stats
   
   Inputs: $Sections, $enrollment, $symbs, $starttime,
           $endtime, $courseid
   
   $Sections, $enrollment, $starttime, $endtime, and $courseid are the same as 
   elsewhere in this module.  
   $symbs is an array ref of symbs
   
   Returns: minimum, maximum, mean, s.d., and number of students
     of the number of items correct on the given resources
   
   =cut
   
   ########################################################
   ########################################################
   sub count_stats {
       my ($Sections,$enrollment,$symbs,$starttime,$endtime,$courseid)=@_;
       if (! defined($courseid)) {
           $courseid = $ENV{'request.course.id'};
       }
       #
       &setup_table_names($courseid);
       my $dbh = &Apache::lonmysql::get_dbh();
       #
       my ($section_limits,$enrollment_limits)=
           &limit_by_section_and_status($Sections,$enrollment,'b');
       my $time_limits = &limit_by_start_end_time($starttime,$endtime,'a');
       my @Symbids = map { &get_symb_id($_); } @{$symbs};
       #
       my $stats_table = $courseid.'_problem_stats';
       my $symb_restriction = join(' OR ',map {'a.symb_id='.$_;} @Symbids);
       my $request = 'DROP TABLE '.$stats_table;
       $dbh->do($request);
       $request = 
           'CREATE TEMPORARY TABLE '.$stats_table.' '.
           'SELECT a.student_id,'.
           'COUNT(a.award) AS count FROM '.
           $performance_table.' AS a '.
           'LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id '.
           'WHERE ('.$symb_restriction.')'.
           " AND a.award!='INCORRECT_ATTEMPTED'";
       if ($time_limits) {
           $request .= ' AND '.$time_limits;
       }
       if ($section_limits) {
           $request .= ' AND '.$section_limits;
       }
       if ($enrollment_limits) {
           $request .= ' AND '.$enrollment_limits;
       }
       $request .= ' GROUP BY a.student_id';
   #    &Apache::lonnet::logthis('request = '.$/.$request);
       my $sth = $dbh->prepare($request);
       $sth->execute();
       $request = 
           'SELECT AVG(count),STD(count),MAX(count),MIN(count),COUNT(count) '.
           'FROM '.$stats_table;
       my ($ave,$std,$max,$min,$count) = &execute_SQL_request($dbh,$request);
   #    &Apache::lonnet::logthis('request = '.$/.$request);
       return($min,$max,$ave,$std,$count);
   }
   
 ######################################################  ######################################################
 ######################################################  ######################################################
Line 2707  $ENV{'course.'.$cid.'.domain'}, and $ENV Line 2879  $ENV{'course.'.$cid.'.domain'}, and $ENV
   
 Returns a reference to a hash which contains:  Returns a reference to a hash which contains:
  keys    '$sname:$sdom'   keys    '$sname:$sdom'
  values  [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type]   values  [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype]
   
 The constant values CL_SDOM, CL_SNAME, CL_END, etc. can be used  The constant values CL_SDOM, CL_SNAME, CL_END, etc. can be used
 as indices into the returned list to future-proof clients against  as indices into the returned list to future-proof clients against
Line 2727  sub CL_SECTION  { return 5; } Line 2899  sub CL_SECTION  { return 5; }
 sub CL_FULLNAME { return 6; }  sub CL_FULLNAME { return 6; }
 sub CL_STATUS   { return 7; }  sub CL_STATUS   { return 7; }
 sub CL_TYPE     { return 8; }  sub CL_TYPE     { return 8; }
   sub CL_LOCKEDTYPE   { return 9; }
   
 sub get_classlist {  sub get_classlist {
     my ($cid,$cdom,$cnum) = @_;      my ($cid,$cdom,$cnum) = @_;
Line 2743  sub get_classlist { Line 2916  sub get_classlist {
         }          }
         my ($sname,$sdom) = split(/:/,$student);          my ($sname,$sdom) = split(/:/,$student);
         my @Values = split(/:/,$info);          my @Values = split(/:/,$info);
         my ($end,$start,$id,$section,$fullname,$type);          my ($end,$start,$id,$section,$fullname,$type,$lockedtype);
         if (@Values > 2) {          if (@Values > 2) {
             ($end,$start,$id,$section,$fullname,$type) = @Values;              ($end,$start,$id,$section,$fullname,$type,$lockedtype) = @Values;
         } else { # We have to get the data ourselves          } else { # We have to get the data ourselves
             ($end,$start) = @Values;              ($end,$start) = @Values;
             $section = &Apache::lonnet::getsection($sdom,$sname,$cid);              $section = &Apache::lonnet::getsection($sdom,$sname,$cid);
Line 2782  sub get_classlist { Line 2955  sub get_classlist {
             $status='Active';              $status='Active';
         }          }
         $classlist{$student} =           $classlist{$student} = 
             [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type];              [$sdom,$sname,$end,$start,$id,$section,$fullname,$status,$type,$lockedtype];
     }      }
     if (wantarray()) {      if (wantarray()) {
         return (\%classlist,['domain','username','end','start','id',          return (\%classlist,['domain','username','end','start','id',
                              'section','fullname','status','type']);                               'section','fullname','status','type','lockedtype']);
     } else {      } else {
         return \%classlist;          return \%classlist;
     }      }

Removed from v.1.128  
changed lines
  Added in v.1.136


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