mod/hotpot/attempt.php

   1 <?php
   2         require_once("../../config.php");
   3         require_once("lib.php");
   4
   5         $next_url = "";
   6         $msg = '';
   7
   8         $attemptid = required_param("attemptid");
   9         if (is_numeric($attemptid)) {
  10
  11                 if (! $attempt = get_record("hotpot_attempts", "id", $attemptid)) {
  12                         error("Hot Potatoes attempt record $attemptid could not be accessed: ".$db->ErrorMsg());
  13                 }
  14
  15                 // Check this is the right user
  16                 if ($attempt->userid != $USER->id) {
  17                         error("Incorrect user id");
  18                 }
  19
  20                 // get hotpot, course and course_module records
  21                 if (! $hotpot = get_record("hotpot", "id", $attempt->hotpot)) {
  22                         error("Hot Potatoes ID is incorrect (attempt id = $attempt->id)");
  23                 }
  24                 if (! $course = get_record("course", "id", $hotpot->course)) {
  25                         error("Course ID is incorrect (hotpot id = $hotpot->id)");
  26                 }
  27                 if (! $cm = get_coursemodule_from_instance("hotpot", $hotpot->id, $course->id)) {
  28                         error("Course Module ID is incorrect");
  29                 }
  30
  31                 $next_url = "$CFG->wwwroot/course/view.php?id=$course->id";
  32
  33                 // make sure this user is enrolled in this course
  34                 require_login($course->id);
  35
  36                 if ($attempt->timefinish && false) {
  37
  38                         $msg = 'This attempt has already been submitted';
  39
  40                 } else {
  41                         $time = time();
  42                         $msg = get_string('resultssaved', 'hotpot');
  43
  44                         $attempt->score = isset($_POST['mark']) ? $_POST['mark'] : NULL;
  45                         $attempt->details = isset($_POST['detail']) ? $_POST['detail'] : NULL;
  46                         $attempt->endtime = isset($_POST['endtime']) ? strtotime($_POST['endtime']) : NULL;
  47                         $attempt->starttime = isset($_POST['starttime']) ? strtotime($_POST['starttime']) : NULL;
  48                         $attempt->timefinish = $time;
  49
  50                         // for the rare case where a quiz was "in progress" during an update from hotpot v1 to v2
  51                         if (empty($attempt->timestart) && !empty($attempt->starttime)) {
  52                                 $attempt->timestart = $attempt->starttime;
  53                         }
  54
  55                         // remove slashes added by lib/setup.php
  56                         $attempt->details = stripslashes($attempt->details);
  57
  58                         // add details of this attempt
  59                         hotpot_add_attempt_details($attempt);
  60
  61                         // add slashes again, so the details can be added to the database
  62                         $attempt->details = addslashes($attempt->details);
  63
  64                         if (! update_record("hotpot_attempts", $attempt)) {
  65                                 error("Could not update attempt record: ".$db->ErrorMsg(), $next_url);
  66                         }
  67
  68                         // set previously unfinished attempts of this quiz by this user to "finished"
  69                         hotpot_close_previous_attempts($hotpot->id, $USER->id, $time);
  70
  71                         add_to_log($course->id, "hotpot", "submit", "review.php?id=$cm->id&attempt=$attempt->id", "$hotpot->id", "$cm->id");
  72                 }
  73                 if ($hotpot->shownextquiz==HOTPOT_YES && is_numeric($next_cm = hotpot_get_next_cm($cm))) {
  74                         $next_url = "$CFG->wwwroot/mod/hotpot/view.php?id=$next_cm";
  75                 }
  76         }
  77
  78         // redirect to the next quiz or the course page
  79         redirect($next_url, $msg);
  80
  81
  82 // =================
  83 //      functions
  84 // =================
  85
  86 function hotpot_get_next_cm(&$cm) {
  87         // gets the next module in this section of the course
  88         // that is the same type of module as the current module
  89
  90         $next_mod = false;
  91
  92         // get a list of $ids of modules in this section
  93         if ($ids = get_field('course_sections', 'sequence', 'id', $cm->section)) {
  94
  95                 $ids = explode(',', $ids);
  96                 $found = false;
  97                 foreach ($ids as $id) {
  98                         if ($found && ($cm->module==get_field('course_modules', 'module', 'id', $id))) {
  99                                 $next_mod = $id;
 100                                 break;
 101                         } else if ($cm->id==$id) {
 102                                 $found = true;
 103                         }
 104                 }
 105         }
 106         return $next_mod;
 107 }
 108 ?>