326 lines
7.5 KiB
PHP
326 lines
7.5 KiB
PHP
<?php
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/**
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* Holds the forum object class.
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* @package Sakura
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*/
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namespace Sakura\Forum;
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use Sakura\DB;
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use Sakura\CurrentSession;
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/**
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* Used to serve forums.
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* @package Sakura
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* @author Julian van de Groep <me@flash.moe>
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*/
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class Forum
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{
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/**
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* The ID of the forum.
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* @var int
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*/
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public $id = 0;
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/**
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* The order of the forum.
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* @var int
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*/
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public $order = 0;
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/**
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* The name of the forum.
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* @var string
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*/
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public $name = "Forum";
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/**
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* The description of the forum.
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* @var string
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*/
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public $description = "";
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/**
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* The link of the forum (if the type is 2).
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* @var string
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*/
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public $link = "";
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/**
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* The ID of the parent forum.
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* @var int
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*/
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public $category = 0;
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/**
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* The type of forum.
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* @var int
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*/
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public $type = 0;
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/**
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* The icon of this forum.
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* @var string
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*/
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public $icon = "";
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/**
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* Holds the permission handler.
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* @var ForumPerms
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*/
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public $perms;
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/**
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* A cached instance of the first post in this forum.
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* @var Post
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*/
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private $firstPostCache = null;
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/**
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* A cached instance of the last post in this forum.
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* @var Post
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*/
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private $lastPostCache = null;
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/**
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* Cached instances of the subforums.
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* @var array
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*/
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private $forumsCache = [];
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/**
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* Cached instances of the topics in this forum.
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* @var array
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*/
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private $topicsCache = [];
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/**
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* Constructor.
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* @param int $forumId
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*/
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public function __construct(int $forumId = 0)
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{
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// Get the row from the database
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$forumRow = DB::table('forums')
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->where('forum_id', $forumId)
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->first();
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// Populate the variables
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if ($forumRow) {
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$this->id = intval($forumRow->forum_id);
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$this->order = intval($forumRow->forum_order);
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$this->name = $forumRow->forum_name;
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$this->description = $forumRow->forum_desc;
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$this->link = $forumRow->forum_link;
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$this->category = intval($forumRow->forum_category);
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$this->type = intval($forumRow->forum_type);
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$this->icon = $forumRow->forum_icon;
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} elseif ($forumId !== 0) {
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$this->id = -1;
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}
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$this->perms = new ForumPerms($this, CurrentSession::$user);
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}
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/**
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* Checking a permission flag.
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* @param int $flag
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* @param int $user
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* @param bool $raw
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* @return bool|int
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*/
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public function permission($flag, $user, $raw = false)
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{
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return $raw ? 1024 : true;
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}
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/**
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* Gets all subforums of this forum.
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* @return array
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*/
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public function forums()
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{
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// Check if forumsCache is populated
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if (!count($this->forumsCache)) {
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// Get all rows with the category id set to the forum id
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$forumRows = DB::table('forums')
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->where('forum_category', $this->id)
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->orderBy('forum_order')
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->get(['forum_id']);
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// Create a storage array
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$forums = [];
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// Create new objects for each forum
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foreach ($forumRows as $forum) {
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$forums[$forum->forum_id] = new Forum($forum->forum_id);
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}
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$this->forumsCache = $forums;
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} else {
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$forums = $this->forumsCache;
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}
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// Return the forum objects
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return $forums;
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}
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/**
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* Gets the topics in this forum.
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* @return array
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*/
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public function topics()
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{
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// Check if topicsCache is populated
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if (!count($this->topicsCache)) {
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// Get all rows with the forum id for this forum
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$topicRows = DB::table('topics')
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->where('forum_id', $this->id)
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->orderBy('topic_type', 'desc')
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->orderBy('topic_last_reply', 'desc')
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->get(['topic_id']);
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// Create a storage array
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$topics = [];
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// Create new objects for each topic
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foreach ($topicRows as $topic) {
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$topics[$topic->topic_id] = new Topic($topic->topic_id);
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}
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$this->topicsCache = $topics;
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} else {
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$topics = $this->topicsCache;
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}
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// Return the topic objects
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return $topics;
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}
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/**
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* Gets the first post in this forum.
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* @return Post
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*/
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public function firstPost()
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{
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// Check if firstPostCache is set
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if ($this->firstPostCache === null) {
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// Get the row
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$firstPost = DB::table('posts')
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->where('forum_id', $this->id)
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->orderBy('post_id')
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->limit(1)
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->first(['post_id']);
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// Create the post object
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$post = new Post($firstPost->post_id ?? 0);
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// Assign it to a "cache" variable
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$this->firstPostCache = $post;
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// Return the post object
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return $post;
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} else {
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return $this->firstPostCache;
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}
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}
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/**
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* Gets the last post in this forum.
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* @return Post
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*/
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public function lastPost()
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{
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// Check if lastPostCache is set
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if ($this->lastPostCache === null) {
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// Get the row
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$lastPost = DB::table('posts')
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->where('forum_id', $this->id)
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->orderBy('post_id', 'desc')
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->limit(1)
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->first(['post_id']);
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// Create the post object
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$post = new Post($lastPost->post_id ?? 0);
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// Assign it to a "cache" variable
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$this->lastPostCache = $post;
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// Return the post object
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return $post;
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} else {
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return $this->lastPostCache;
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}
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}
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/**
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* Counts the amount of topics in this forum.
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* @return int
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*/
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public function topicCount()
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{
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return DB::table('topics')
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->where('forum_id', $this->id)
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->count();
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}
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/**
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* Counts the amount of posts in this forum.
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* @return int
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*/
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public function postCount()
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{
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return DB::table('posts')
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->where('forum_id', $this->id)
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->count();
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}
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/**
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* Checks if a user has read every post in the specified forum.
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* @param int $user
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* @return bool
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*/
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public function unread($user)
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{
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// Return false if the user id is less than 1
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if ($user < 1) {
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return false;
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}
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// Check forums
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foreach ($this->forums() as $forum) {
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if ($forum->unread($user)) {
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return true;
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}
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}
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// Check each topic
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foreach ($this->topics() as $topic) {
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if ($topic->unread($user)) {
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return true;
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}
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}
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// Return false if negative
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return false;
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}
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/**
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* Update the read status of all topics in this forum at once.
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* @param int $user
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*/
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public function trackUpdateAll($user)
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{
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// Iterate over every forum
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foreach ($this->forums() as $forum) {
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// Update every forum
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$forum->trackUpdateAll($user);
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}
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// Iterate over every topic
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foreach ($this->topics() as $topic) {
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// Update every topic
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$topic->trackUpdate($user);
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}
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}
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}
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