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

   1 <?php
   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         $this->type = 'offline';
  12     }
  13
  14     function display_lateness($timesubmitted) {
  15         return '';
  16     }
  17     function print_student_answer($studentid){
  18         return '';//does nothing!
  19     }
  20
  21     function prepare_new_submission($userid) {
  22         $submission = new Object;
  23         $submission->assignment   = $this->assignment->id;
  24         $submission->userid       = $userid;
  25         $submission->timecreated  = time(); // needed for offline assignments
  26         $submission->timemodified = $submission->timecreated;
  27         $submission->numfiles     = 0;
  28         $submission->data1        = '';
  29         $submission->data2        = '';
  30         $submission->grade        = -1;
  31         $submission->submissioncomment      = '';
  32         $submission->format       = 0;
  33         $submission->teacher      = 0;
  34         $submission->timemarked   = 0;
  35         $submission->mailed       = 0;
  36         return $submission;
  37     }
  38
  39     // needed for the timemodified override
  40     function process_feedback() {
  41         global $CFG, $USER, $DB;
  42         require_once($CFG->libdir.'/gradelib.php');
  43
  44         if (!$feedback = data_submitted() or !confirm_sesskey()) {      // No incoming data?
  45             return false;
  46         }
  47
  48         ///For save and next, we need to know the userid to save, and the userid to go
  49         ///We use a new hidden field in the form, and set it to -1. If it's set, we use this
  50         ///as the userid to store
  51         if ((int)$feedback->saveuserid !== -1){
  52             $feedback->userid = $feedback->saveuserid;
  53         }
  54
  55         if (!empty($feedback->cancel)) {          // User hit cancel button
  56             return false;
  57         }
  58
  59         $grading_info = grade_get_grades($this->course->id, 'mod', 'assignment', $this->assignment->id, $feedback->userid);
  60
  61         // store outcomes if needed
  62         $this->process_outcomes($feedback->userid);
  63
  64         $submission = $this->get_submission($feedback->userid, true);  // Get or make one
  65
  66         if (!$grading_info->items[0]->grades[$feedback->userid]->locked and
  67             !$grading_info->items[0]->grades[$feedback->userid]->overridden) {
  68
  69             $submission->grade      = $feedback->grade;
  70             $submission->submissioncomment    = $feedback->submissioncomment;
  71             $submission->format     = $feedback->format;
  72             $submission->teacher    = $USER->id;
  73             $mailinfo = get_user_preferences('assignment_mailinfo', 0);
  74             if (!$mailinfo) {
  75                 $submission->mailed = 1;       // treat as already mailed
  76             } else {
  77                 $submission->mailed = 0;       // Make sure mail goes out (again, even)
  78             }
  79             $submission->timemarked = time();
  80
  81             unset($submission->data1);  // Don't need to update this.
  82             unset($submission->data2);  // Don't need to update this.
  83
  84             if (empty($submission->timemodified)) {   // eg for offline assignments
  85                 $submission->timemodified = time();
  86             }
  87
  88             $DB->update_record('assignment_submissions', $submission);
  89
  90             // triger grade event
  91             $this->update_grade($submission);
  92
  93             add_to_log($this->course->id, 'assignment', 'update grades',
  94                        'submissions.php?id='.$this->assignment->id.'&user='.$feedback->userid, $feedback->userid, $this->cm->id);
  95         }
  96
  97         return $submission;
  98
  99     }
 100
 101 }
 102
 103