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<?php
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// This file is part of Moodle - http://moodle.org/
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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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/**
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* Search area for received messages.
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*
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* @package core_message
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* @copyright 2016 Devang Gaur
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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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namespace core_message\search;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Search area for received messages.
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*
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* @package core_message
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* @copyright 2016 Devang Gaur
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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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class message_received extends base_message {
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/**
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* Returns a recordset with the messages for indexing.
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*
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* @param int $modifiedfrom
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* @param \context|null $context Optional context to restrict scope of returned results
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* @return moodle_recordset|null Recordset (or null if no results)
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*/
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public function get_document_recordset($modifiedfrom = 0, \context $context = null) {
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return $this->get_document_recordset_helper($modifiedfrom, $context, 'useridto');
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}
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/**
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* Returns the document associated with this message record.
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*
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* @param stdClass $record
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* @param array $options
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* @return \core_search\document
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*/
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public function get_document($record, $options = array()) {
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return parent::get_document($record, array('user1id' => $record->useridto, 'user2id' => $record->useridfrom));
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}
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/**
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* Whether the user can access the document or not.
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*
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* @param int $id The message instance id.
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* @return int
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*/
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public function check_access($id) {
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global $CFG, $DB, $USER;
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if (!$CFG->messaging) {
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return \core_search\manager::ACCESS_DENIED;
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}
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$sql = "SELECT m.*, mcm.userid as useridto
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FROM {messages} m
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INNER JOIN {message_conversations} mc
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ON m.conversationid = mc.id
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INNER JOIN {message_conversation_members} mcm
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ON mcm.conversationid = mc.id
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WHERE mcm.userid != m.useridfrom
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AND m.id = :id";
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$message = $DB->get_record_sql($sql, array('id' => $id));
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if (!$message) {
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return \core_search\manager::ACCESS_DELETED;
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}
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$userfrom = \core_user::get_user($message->useridfrom, 'id, deleted');
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$userto = \core_user::get_user($message->useridto, 'id, deleted');
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if (!$userfrom || !$userto || $userfrom->deleted || $userto->deleted) {
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return \core_search\manager::ACCESS_DELETED;
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}
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if ($USER->id != $userto->id) {
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return \core_search\manager::ACCESS_DENIED;
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}
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$usertodeleted = $DB->record_exists('message_user_actions', ['messageid' => $id, 'userid' => $message->useridto,
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'action' => \core_message\api::MESSAGE_ACTION_DELETED]);
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if ($usertodeleted) {
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return \core_search\manager::ACCESS_DELETED;
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}
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return \core_search\manager::ACCESS_GRANTED;
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}
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}
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