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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_question;
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use core\event\question_created;
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use core\event\question_updated;
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/**
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* Base class for various question-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 answerbase extends base {
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/**
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* Get table name reference.
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*
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* @return string
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*/
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public function get_ref_tablename(): string {
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return 'question';
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}
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/**
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* Find recordset of the relevant areas.
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*
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* @param \core\event\base $event
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* @return \moodle_recordset|null
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*/
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public function find_relevant_areas(\core\event\base $event): ?\moodle_recordset {
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global $DB;
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if (($event instanceof question_created) || ($event instanceof question_updated)) {
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$sql = "SELECT {$this->get_type()} AS type,
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ctx.id AS contextid,
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{$this->get_standard_area_fields_sql()}
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a.id AS itemid,
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{$this->get_reftable_field_sql()}
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q.id AS refid,
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{$this->get_course_and_cat_sql($event)}
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a.{$this->get_fieldname()} AS content
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FROM {question} q
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INNER JOIN {question_answers} a
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ON a.question = q.id
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INNER JOIN {question_versions} qv
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ON qv.questionid = q.id
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INNER JOIN {question_bank_entries} qbe
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ON qbe.id = qv.questionbankentryid
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INNER JOIN {question_categories} qc
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ON qc.id = qbe.questioncategoryid
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INNER JOIN {context} ctx
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ON ctx.id = qc.contextid
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WHERE (q.id = :refid)
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ORDER BY a.id";
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$rs = $DB->get_recordset_sql($sql, ['refid' => $event->objectid]);
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return $rs;
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}
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return null;
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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. This would be question content from
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* question categories at the system context, or course category context.
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*
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* @return mixed
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* @deprecated since Moodle 5.0.
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* @todo MDL-82413 Final deprecation in Moodle 6.0.
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*/
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#[\core\attribute\deprecated(null, since: '5.0', reason: 'This method should not be used', mdl: 'MDL-71378')]
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public function find_system_areas(): ?\moodle_recordset {
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\core\deprecation::emit_deprecation([self::class, __FUNCTION__]);
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global $DB;
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$params = [
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'syscontext' => CONTEXT_SYSTEM,
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'coursecat' => CONTEXT_COURSECAT,
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'coursecat2' => CONTEXT_COURSECAT,
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];
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$sql = "SELECT {$this->get_type()} AS type,
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qc.contextid AS contextid,
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{$this->get_standard_area_fields_sql()}
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a.id AS itemid,
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{$this->get_reftable_field_sql()}
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q.id AS refid,
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" . SITEID . " as courseid,
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cc.id as categoryid,
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a.{$this->get_fieldname()} AS content
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FROM {question} q
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INNER JOIN {question_answers} a
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ON a.question = q.id
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INNER JOIN {question_versions} qv
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ON qv.questionid = q.id
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INNER JOIN {question_bank_entries} qbe
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ON qbe.id = qv.questionbankentryid
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INNER JOIN {question_categories} qc
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ON qc.id = qbe.questioncategoryid
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INNER JOIN {context} ctx
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ON ctx.id = qc.contextid
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LEFT JOIN {course_categories} cc
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ON cc.id = ctx.instanceid
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AND ctx.contextlevel = :coursecat
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WHERE (ctx.contextlevel = :syscontext)
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OR (ctx.contextlevel = :coursecat2)
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ORDER BY a.id";
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return $DB->get_recordset_sql($sql, $params);
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}
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/**
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* Find recordset of the course areas.
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*
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* @param int $courseid
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* @return \moodle_recordset
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*/
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public function find_course_areas(int $courseid): ?\moodle_recordset {
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global $DB;
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$coursecontext = \context_course::instance($courseid);
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$param = [
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'module' => CONTEXT_MODULE,
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'coursecontextpath' => $DB->sql_like_escape($coursecontext->path) . '/%',
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];
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$sql = "SELECT {$this->get_type()} AS type,
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ctx.id AS contextid,
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{$this->get_standard_area_fields_sql()}
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a.id AS itemid,
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{$this->get_reftable_field_sql()}
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q.id AS refid,
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{$courseid} AS courseid,
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a.{$this->get_fieldname()} AS content
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FROM {question} q
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INNER JOIN {question_answers} a
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ON a.question = q.id
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INNER JOIN {question_versions} qv
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ON qv.questionid = q.id
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INNER JOIN {question_bank_entries} qbe
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ON qbe.id = qv.questionbankentryid
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INNER JOIN {question_categories} qc
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ON qc.id = qbe.questioncategoryid
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INNER JOIN {context} ctx
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ON ctx.id = qc.contextid
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WHERE ctx.contextlevel = :module
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AND {$DB->sql_like('ctx.path', ':coursecontextpath')}
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ORDER BY a.id ASC";
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return $DB->get_recordset_sql($sql, $param);
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}
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}
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