Restore 2.0 for developers

Revision as of 02:35, 10 December 2010 by jerome mouneyrac (talk | contribs) (New page: <code php> * * Structure step to restore one choice activity: class restore_choice_activity_structure_step extends restore_activity_structure_step { protected function define_st...)

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/**
 * Structure step to restore one choice activity
 */
class restore_choice_activity_structure_step extends restore_activity_structure_step {
 
    protected function define_structure() {
 
        $paths = array();
        $userinfo = $this->get_setting_value('userinfo');
 
        $paths[] = new restore_path_element('choice', '/activity/choice');
        $paths[] = new restore_path_element('choice_option', '/activity/choice/options/option');
        if ($userinfo) {
            $paths[] = new restore_path_element('choice_answer', '/activity/choice/answers/answer');
        }
 
        // Return the paths wrapped into standard activity structure
        return $this->prepare_activity_structure($paths);
    }
 
    protected function process_choice($data) {
        global $DB;
 
        $data = (object)$data;
        $oldid = $data->id;
        $data->course = $this->get_courseid();
 
        $data->timeopen = $this->apply_date_offset($data->timeopen);
        $data->timeclose = $this->apply_date_offset($data->timeclose);
        $data->timemodified = $this->apply_date_offset($data->timemodified);
 
        // insert the choice record
        $newitemid = $DB->insert_record('choice', $data);
        // immediately after inserting "activity" record, call this
        $this->apply_activity_instance($newitemid);
    }
 
    protected function process_choice_option($data) {
        global $DB;
 
        $data = (object)$data;
        $oldid = $data->id;
 
        $data->choiceid = $this->get_new_parentid('choice');
        $data->timemodified = $this->apply_date_offset($data->timemodified);
 
        $newitemid = $DB->insert_record('choice_options', $data);
        $this->set_mapping('choice_option', $oldid, $newitemid);
    }
 
    protected function process_choice_answer($data) {
        global $DB;
 
        $data = (object)$data;
        $oldid = $data->id;
 
        $data->choiceid = $this->get_new_parentid('choice');
        $data->optionid = $this->get_mappingid('choice_option', $oldid);
        $data->userid = $this->get_mappingid('user', $data->userid);
        $data->timemodified = $this->apply_date_offset($data->timemodified);
 
        $newitemid = $DB->insert_record('choice_answers', $data);
        // No need to save this mapping as far as nothing depend on it
        // (child paths, file areas nor links decoder)
    }
 
    protected function after_execute() {
        // Add choice related files, no need to match by itemname (just internally handled context)
        $this->add_related_files('mod_choice', 'intro', null);
    }
}

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