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<?php
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// This file is part of the Query submission plugin
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace tool_brickfield\local\areas\core_course;
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use core\event\course_created;
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use core\event\course_updated;
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use core\event\course_restored;
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use tool_brickfield\area_base;
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/**
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* Base class for various course-related areas
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*
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* This is an abstract class so it will be skipped by manager when it finds all areas
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*
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* @package tool_brickfield
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* @copyright 2020 onward: Brickfield Education Labs, www.brickfield.ie
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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abstract class base extends area_base {
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/**
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* Find recordset of the relevant areas.
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* @param \core\event\base $event
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* @return \moodle_recordset|null
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* @throws \coding_exception
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* @throws \dml_exception
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*/
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public function find_relevant_areas(\core\event\base $event): ?\moodle_recordset {
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if ($event instanceof course_created) {
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return $this->find_fields_in_course_table(['courseid' => $event->courseid]);
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} else if ($event instanceof course_restored) {
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return $this->find_fields_in_course_table(['courseid' => $event->courseid]);
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} else if ($event instanceof course_updated) {
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return $this->find_fields_in_course_table(['courseid' => $event->courseid]);
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}
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return null;
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}
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/**
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* Find recordset of the course areas.
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* @param int $courseid
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* @return \moodle_recordset
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* @throws \coding_exception
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* @throws \dml_exception
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*/
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public function find_course_areas(int $courseid): ?\moodle_recordset {
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return $this->find_fields_in_course_table(['courseid' => $courseid]);
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}
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/**
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* Return an array of area objects that contain content at the site and system levels only.
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* @return mixed
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*/
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public function find_system_areas(): ?\moodle_recordset {
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return null;
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}
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/**
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* Helper method that can be used by the classes that define a field in the 'course' table
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*
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* @param array $params
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* @return \moodle_recordset
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* @throws \coding_exception
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* @throws \dml_exception
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*/
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protected function find_fields_in_course_table(array $params = []): \moodle_recordset {
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global $DB;
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$where = [];
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if (!empty($params['courseid'])) {
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$where[] = 't.id = :courseid';
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}
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$rs = $DB->get_recordset_sql('SELECT
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' . $this->get_type() . ' AS type,
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ctx.id AS contextid,
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' . $this->get_standard_area_fields_sql() . '
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t.id AS itemid,
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t.id AS courseid,
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t.'.$this->get_fieldname().' AS content
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FROM {'.$this->get_tablename().'} t
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JOIN {context} ctx ON ctx.instanceid = t.id AND ctx.contextlevel = :pctxlevelcourse '.
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($where ? 'WHERE ' . join(' AND ', $where) : '') . '
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ORDER BY t.id',
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['pctxlevelcourse' => CONTEXT_COURSE] + $params);
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return $rs;
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}
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/**
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* Returns the moodle_url of the page to edit the error.
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* @param \stdClass $componentinfo
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* @return \moodle_url
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*/
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public static function get_edit_url(\stdClass $componentinfo): \moodle_url {
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if ($componentinfo->tablename == 'course_sections') {
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return new \moodle_url('/course/editsection.php', ['id' => $componentinfo->itemid]);
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} else if ($componentinfo->tablename == 'course_categories') {
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return new \moodle_url('/course/editcategory.php', ['id' => $componentinfo->itemid]);
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} else {
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return new \moodle_url('/course/edit.php', ['id' => $componentinfo->courseid]);
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}
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}
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}
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