mod/assignment/type/offline/assignment.class.php

   1 <?php // $Id$
   2
   3 /**
   4  * Extend the base assignment class for offline assignments
   5  *
   6  */
   7 class assignment_offline extends assignment_base {
   8
   9     function assignment_offline($cmid='staticonly', $assignment=NULL, $cm=NULL, $course=NULL) {
  10         parent::assignment_base($cmid, $assignment, $cm, $course);
  11     }
  12
  13     function display_lateness($timesubmitted) {
  14         return '';
  15     }
  16     function print_student_answer($studentid){
  17         return '';//does nothing!
  18     }
  19
  20     function prepare_new_submission($userid) {
  21         $submission = new Object;
  22         $submission->assignment   = $this->assignment->id;
  23         $submission->userid       = $userid;
  24         $submission->timecreated  = time(); // needed for offline assignments
  25         $submission->timemodified = $submission->timecreated;
  26         $submission->numfiles     = 0;
  27         $submission->data1        = '';
  28         $submission->data2        = '';
  29         $submission->grade        = -1;
  30         $submission->submissioncomment      = '';
  31         $submission->format       = 0;
  32         $submission->teacher      = 0;
  33         $submission->timemarked   = 0;
  34         $submission->mailed       = 0;
  35         return $submission;
  36     }
  37
  38     // needed for the timemodified override
  39     function process_feedback() {
  40         global $CFG, $USER;
  41         require_once($CFG->libdir.'/gradelib.php');
  42
  43         if (!$feedback = data_submitted()) {      // No incoming data?
  44             return false;
  45         }
  46
  47         ///For save and next, we need to know the userid to save, and the userid to go
  48         ///We use a new hidden field in the form, and set it to -1. If it's set, we use this
  49         ///as the userid to store
  50         if ((int)$feedback->saveuserid !== -1){
  51             $feedback->userid = $feedback->saveuserid;
  52         }
  53
  54         if (!empty($feedback->cancel)) {          // User hit cancel button
  55             return false;
  56         }
  57
  58         $grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $feedback->userid);
  59
  60         // store outcomes if needed
  61         $this->process_outcomes($feedback->userid);
  62
  63         $submission = $this->get_submission($feedback->userid, true);  // Get or make one
  64
  65         if (!$grading_info->items[0]->grades[$feedback->userid]->locked and
  66             !$grading_info->items[0]->grades[$feedback->userid]->overridden) {
  67
  68             $submission->grade      = $feedback->grade;
  69             $submission->submissioncomment    = $feedback->submissioncomment;
  70             $submission->format     = $feedback->format;
  71             $submission->teacher    = $USER->id;
  72             $submission->mailed     = 0;       // Make sure mail goes out (again, even)
  73             $submission->timemarked = time();
  74
  75             unset($submission->data1);  // Don't need to update this.
  76             unset($submission->data2);  // Don't need to update this.
  77
  78             if (empty($submission->timemodified)) {   // eg for offline assignments
  79                 $submission->timemodified = time();
  80             }
  81
  82             if (! update_record('assignment_submissions', $submission)) {
  83                 return false;
  84             }
  85
  86             // triger grade event
  87             $this->update_grade($submission);
  88
  89             add_to_log($this->course->id, 'assignment', 'update grades',
  90                        'submissions.php?id='.$this->assignment->id.'&user='.$feedback->userid, $feedback->userid, $this->cm->id);
  91         }
  92
  93         return $submission;
  94
  95     }
  96
  97 }
  98
  99 ?>