}
/**
- * Counts all real assignment submissions by ENROLLED students (not empty ones)
+ * Counts all complete (real) assignment submissions by enrolled students
*
- * @param int $groupid optional If nonzero then count is restricted to this group
- * @return int The number of submissions
+ * @param int $groupid (optional) If nonzero then count is restricted to this group
+ * @return int The number of submissions
*/
function count_real_submissions($groupid=0) {
- return assignment_count_real_submissions($this->cm, $groupid);
+ global $CFG;
+ global $DB;
+
+ // Grab the context assocated with our course module
+ $context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
+
+ // Get ids of users enrolled in the given course.
+ list($enroledsql, $params) = get_enrolled_sql($context, 'mod/assignment:view', $groupid);
+ $params['assignmentid'] = $this->cm->instance;
+
+ // Get ids of users enrolled in the given course.
+ return $DB->count_records_sql("SELECT COUNT('x')
+ FROM {assignment_submissions} s
+ LEFT JOIN {assignment} a ON a.id = s.assignment
+ INNER JOIN ($enroledsql) u ON u.id = s.userid
+ WHERE s.assignment = :assignmentid AND
+ s.timemodified > 0", $params);
}
/**
}
/**
- * Counts all real assignment submissions by ENROLLED students (not empty ones)
+ * Counts all complete (real) assignment submissions by enrolled students for the given course modeule.
*
- * There are also assignment type methods count_real_submissions() which in the default
- * implementation simply call this function.
- * @param $groupid int optional If nonzero then count is restricted to this group
- * @return int The number of submissions
+ * @deprecated Since Moodle 2.2 MDL-abc - Please do not use this function any more.
+ * @param cm_info $cm The course module that we wish to perform the count on.
+ * @param int $groupid (optional) If nonzero then count is restricted to this group
+ * @return int The number of submissions
*/
function assignment_count_real_submissions($cm, $groupid=0) {
global $CFG, $DB;
- $context = get_context_instance(CONTEXT_MODULE, $cm->id);
+ // Grab the assignment type for the given course module
+ $assignmenttype = $DB->get_field($cm->modname, 'assignmenttype', array('id' => $cm->instance), MUST_EXIST);
- // this is all the users with this capability set, in this context or higher
- if ($users = get_enrolled_users($context, 'mod/assignment:view', $groupid, 'u.id')) {
- $users = array_keys($users);
- }
+ // Create the expected class file path and class name for the returned assignemnt type
+ $filename = "{$CFG->dirroot}/mod/assignment/type/{$assignmenttype}/assignment.class.php";
+ $classname = "assignment_{$assignmenttype}";
- // if groupmembersonly used, remove users who are not in any group
- if ($users and !empty($CFG->enablegroupmembersonly) and $cm->groupmembersonly) {
- if ($groupingusers = groups_get_grouping_members($cm->groupingid, 'u.id', 'u.id')) {
- $users = array_intersect($users, array_keys($groupingusers));
- }
+ // If the file exists and the class is not already loaded we require the class file
+ if (file_exists($filename) && !class_exists($classname)) {
+ require_once($filename);
}
-
- if (empty($users)) {
- return 0;
+ // If the required class is still not loaded then we revert to assignment base
+ if (!class_exists($classname)) {
+ $classname = 'assignment_base';
}
+ $instance = new $classname;
- $userlists = implode(',', $users);
-
- return $DB->count_records_sql("SELECT COUNT('x')
- FROM {assignment_submissions}
- WHERE assignment = ? AND
- timemodified > 0 AND
- userid IN ($userlists)", array($cm->instance));
+ // Attach the course module to the assignment type instance and then call the method for counting submissions
+ $instance->cm = $cm;
+ return $instance->count_real_submissions($groupid);
}
-
/**
* Return all assignment submissions by ENROLLED students (even empty)
*
