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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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* Post read receipt collection class.
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*
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* @package mod_forum
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* @copyright 2019 Ryan Wyllie <ryan@moodle.com>
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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 mod_forum\local\entities;
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defined('MOODLE_INTERNAL') || die();
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use mod_forum\local\entities\post as post_entity;
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use stdClass;
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/**
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* Post read receipt collection class.
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*
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* Contains the list of read receipts for posts.
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*
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* @copyright 2019 Ryan Wyllie <ryan@moodle.com>
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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 post_read_receipt_collection {
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/** @var stdClass[] $receiptsbypostid Receipt records indexed by post id */
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private $receiptsbypostid = [];
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/**
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* Constructor.
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*
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* @param array $records The list of post read receipt records.
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*/
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public function __construct(array $records) {
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foreach ($records as $record) {
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$postid = $record->postid;
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if (isset($this->receiptsbypostid[$postid])) {
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$this->receiptsbypostid[$postid][] = $record;
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} else {
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$this->receiptsbypostid[$postid] = [$record];
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}
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}
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}
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/**
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* Check whether a user has read a post.
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*
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* @param stdClass $user The user to check
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* @param post_entity $post The post to check
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* @return bool
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*/
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public function has_user_read_post(stdClass $user, post_entity $post): bool {
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global $CFG;
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$isoldpost = ($post->get_time_modified() < (time() - ($CFG->forum_oldpostdays * 24 * 3600)));
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if ($isoldpost) {
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return true;
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}
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$receipts = isset($this->receiptsbypostid[$post->get_id()]) ? $this->receiptsbypostid[$post->get_id()] : [];
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foreach ($receipts as $receipt) {
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if ($receipt->userid == $user->id) {
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return true;
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}
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}
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return false;
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}
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}
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