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Diff for /loncom/interface/loncoursedata.pm between versions 1.22 and 1.23

version 1.22, 2002/08/28 21:50:27 version 1.23, 2002/08/28 22:02:47
Line 89  Input: $courseID, $lastDownloadTime, $c Line 89  Input: $courseID, $lastDownloadTime, $c
 $courseID:  The id of the course  $courseID:  The id of the course
   
 $lastDownloadTime:  This is the date stamp for when this information was  $lastDownloadTime:  This is the date stamp for when this information was
 last gathered.  If it is set to 'Not downloaded', it will gather the data  last gathered.  If it is set to Not downloaded, it will gather the data
 again, though it currently does not remove the old data.  again, though it currently does not remove the old data.
   
 $c: The connection class that can determine if the browser has aborted.  It  $c: The connection class that can determine if the browser has aborted.  It
Line 103  Output: \%classlist Line 103  Output: \%classlist
 -A list of student name:domain (as keys) (known below as $name)  -A list of student name:domain (as keys) (known below as $name)
   
 -A hash pointer for each student containing lastname, generation, firstname,  -A hash pointer for each student containing lastname, generation, firstname,
 middlename, and PID : Key is $name.'studentInformation'  middlename, and PID : Key is $name.studentInformation
   
 -A hash pointer to each students section data : Key is $name.section  -A hash pointer to each students section data : Key is $name.section
   
Line 125  sub DownloadClasslist { Line 125  sub DownloadClasslist {
                                                          $Apache::lonnet::perlvar{'lonUsersDir'});                                                           $Apache::lonnet::perlvar{'lonUsersDir'});
   
     # Always download the information if lastDownloadTime is set to      # Always download the information if lastDownloadTime is set to
     # 'Not downloaded', otherwise it is only downloaded if the file      # Not downloaded, otherwise it is only downloaded if the file
     # has been updated and has a more recent date stamp      # has been updated and has a more recent date stamp
     if($lastDownloadTime ne 'Not downloaded' &&      if($lastDownloadTime ne 'Not downloaded' &&
        $lastDownloadTime >= $modifiedTime && $modifiedTime >= 0) {         $lastDownloadTime >= $modifiedTime && $modifiedTime >= 0) {
Line 195  $namedata: student name:domain Line 195  $namedata: student name:domain
 $courseID:  The id of the course  $courseID:  The id of the course
   
 $lastDownloadTime:  This is the date stamp for when this information was  $lastDownloadTime:  This is the date stamp for when this information was
 last gathered.  If it is set to 'Not downloaded', it will gather the data  last gathered.  If it is set to Not downloaded, it will gather the data
 again, though it currently does not remove the old data.  again, though it currently does not remove the old data.
   
 $WhatIWant:  Regular expression used to get selected data with dump  $WhatIWant:  Regular expression used to get selected data with dump
   
 Output: \%courseData  Output: \%courseData
   
 \%courseData:  A hash pointer to the raw data from the student's course  \%courseData:  A hash pointer to the raw data from the students course
 database.  database.
   
 =back  =back
Line 254  sub DownloadCourseInformation { Line 254  sub DownloadCourseInformation {
 These functions process all the data for all the students.  Also, they  These functions process all the data for all the students.  Also, they
 are the functions that access the cache database for writing the majority of  are the functions that access the cache database for writing the majority of
 the time.  The downloading and caching were separated to reduce problems   the time.  The downloading and caching were separated to reduce problems 
 with stopping downloading then can't tie hash to database later.  with stopping downloading then can not tie hash to database later.
   
 =cut  =cut
   
Line 540  $cache: A hash pointer to store the data Line 540  $cache: A hash pointer to store the data
   
 $classlist:  The hash of data collected about a student from   $classlist:  The hash of data collected about a student from 
 &DownloadClasslist().  The hash contains a list of students, a pointer   &DownloadClasslist().  The hash contains a list of students, a pointer 
 to a hash of student information for each student, and each student's section   to a hash of student information for each student, and each students section 
 number.  number.
   
 $courseID:  The course ID  $courseID:  The course ID
Line 661  Takes the course data downloaded for a s Line 661  Takes the course data downloaded for a s
 &DownloadCourseInformation() and breaks it up into key value pairs  &DownloadCourseInformation() and breaks it up into key value pairs
 to be stored in the cached data.  The keys are comprised of the   to be stored in the cached data.  The keys are comprised of the 
 $username:$domain:$keyFromCourseDatabase.  The student username:domain is  $username:$domain:$keyFromCourseDatabase.  The student username:domain is
 stored away signifying that the student's information has been downloaded and   stored away signifying that the students information has been downloaded and 
 can be reused from cached data.  can be reused from cached data.
   
 =over 4  =over 4
Line 1043  $ChartDB: The name of the cache database Line 1043  $ChartDB: The name of the cache database
   
 Output: -1, 0, 1  Output: -1, 0, 1
   
 -1: Couldn't tie database  -1: Could not tie database
  0: Use cached data   0: Use cached data
  1: New cache database created, use that.   1: New cache database created, use that.
   
Removed from v.1.22  
changed lines
  Added in v.1.23

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