}
}
+/**
+ * This structure step restores the grade items associated with one activity
+ * All the grade items are made child of the "course" grade item but the original
+ * categoryid is saved as parentitemid in the backup_ids table, so, when restoring
+ * the complete gradebook (categories and calculations), that information is
+ * available there
+ */
+class restore_activity_grades_structure_step extends restore_structure_step {
+
+ protected function define_structure() {
+
+ $paths = array();
+ $userinfo = $this->get_setting_value('userinfo');
+
+ $paths[] = new restore_path_element('grade_item', '/activity_gradebook/grade_items/grade_item');
+ $paths[] = new restore_path_element('grade_letter', '/activity_gradebook/grade_letters/grade_letter');
+ if ($userinfo) {
+ $paths[] = new restore_path_element('grade_grade',
+ '/activity_gradebook/grade_items/grade_item/grade_grades/grade_grade');
+ }
+ return $paths;
+ }
+
+ protected function process_grade_item($data) {
+
+ $data = (object)($data);
+ $oldid = $data->id; // We'll need these later
+ $oldparentid = $data->categoryid;
+
+ // make sure top course category exists, all grade items will be associated
+ // to it. Later, if restoring the whole gradebook, categories will be introduced
+ $coursecat = grade_category::fetch_course_category($this->get_courseid());
+ $coursecatid = $coursecat->id; // Get the categoryid to be used
+
+ unset($data->id);
+ $data->categoryid = $coursecatid;
+ $data->courseid = $this->get_courseid();
+ $data->iteminstance = $this->task->get_activityid();
+ // Don't get any idnumber from course module. Keep them as they are in grade_item->idnumber
+ // Reason: it's not clear what happens with outcomes->idnumber or activities with multiple items (workshop)
+ // so the best is to keep the ones already in the gradebook
+ // Potential problem: duplicates if same items are restored more than once. :-(
+ // This needs to be fixed in some way (outcomes & activities with multiple items)
+ // $data->idnumber = get_coursemodule_from_instance($data->itemmodule, $data->iteminstance)->idnumber;
+ // In any case, verify always for uniqueness
+ $data->idnumber = grade_verify_idnumber($idnumber, $this->get_courseid()) ? $data->idnumber : null;
+ $data->scaleid = $this->get_mappingid('scale', $data->scaleid);
+ $data->outcomeid = $this->get_mappingid('outcome', $data->outcomeid);
+ $data->timecreated = $this->apply_date_offset($data->timecreated);
+ $data->timemodified = $this->apply_date_offset($data->timemodified);
+
+ $gradeitem = new grade_item($data);
+ $gradeitem->insert('restore');
+ $this->set_mapping('grade_item', $oldid, $gradeitem->id, $oldparentid);
+ }
+
+ protected function process_grade_grade($data) {
+ $data = (object)($data);
+
+ unset($data->id);
+ $data->itemid = $this->get_new_parentid('grade_item');
+ $data->userid = $this->get_mappingid('user', $data->userid);
+ $data->usermodified = $this->get_mappingid('user', $data->usermodified);
+ $data->rawscaleid = $this->get_mappingid('scale', $data->rawscaleid);
+ // TODO: Ask, all the rest of locktime/exported... work with time... to be rolled?
+ $data->overridden = $this->apply_date_offset($data->overridden);
+
+ $grade = new grade_grade($data);
+ $grade->insert('restore');
+ // no need to save any grade_grade mapping
+ }
+
+ /**
+ * process activity grade_letters. Note that, while these are possible,
+ * because grade_letters are contextid based, in proctice, only course
+ * context letters can be defined. So we keep here this method knowing
+ * it won't be executed ever. gradebook restore will restore course letters.
+ */
+ protected function process_grade_letter($data) {
+ global $DB;
+
+ $data = (object)$data;
+
+ $data->contextid = $this->task->get_contextid();
+ $newitemid = $DB->insert_record('grade_letters', $data);
+ // no need to save any grade_letter mapping
+ }
+}
+
/**
* This structure steps restores one instance + positions of one block
