365 lines
8.6 KiB
PHP
365 lines
8.6 KiB
PHP
<?php
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/**
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* Holds the forum object class.
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*
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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\Perms;
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/**
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* Used to serve forums.
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*
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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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*
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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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*
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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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*
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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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*
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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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*
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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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*
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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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*
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* @var string
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*/
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public $icon = "";
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/**
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* A cached instance of the first post in this forum.
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*
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* @var Post
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*/
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private $_firstPost = null;
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/**
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* A cached instance of the last post in this forum.
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*
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* @var Post
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*/
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private $_lastPost = null;
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/**
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* Cached instances of the subforums.
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*
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* @var array
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*/
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private $_forums = [];
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/**
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* Cached instances of the threads in this forum.
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*
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* @var array
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*/
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private $_threads = [];
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/**
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* The permission container.
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*
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* @var Perms
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*/
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private $_permissions;
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/**
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* Constructor.
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*
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* @param int $forumId The ID of the forum that should be constructed.
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*/
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public function __construct($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', $forumId)
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->get();
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// Create permissions object
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$this->_permissions = new Perms(Perms::FORUM);
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// Populate the variables
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if ($forumRow) {
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$forumRow = $forumRow[0];
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$this->id = $forumRow->forum_id;
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$this->order = $forumRow->forum_order;
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$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 = $forumRow->forum_category;
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$this->type = $forumRow->forum_type;
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$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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}
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/**
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* Checking a permission flag.
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*
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* @param int $flag Forum permission flag.
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* @param int $user The ID of the user that is being checked.
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* @param bool $raw Whether the raw full permission flag should be returned.
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*
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* @return bool|int Either a bool indicating the permission or the full flag.
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*/
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public function permission($flag, $user, $raw = false)
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{
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// Set default permission value
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$perm = 0;
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// Get the permissions of the parent forum if there is one
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if ($this->category) {
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$perm = $perm | (new Forum($this->category))->permission($flag, $user, true);
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}
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// Bitwise OR it with the permissions for this forum
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$perm = $perm | $this->_permissions->user($user, ['forum_id' => [$this->id, '=']]);
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return $raw ? $perm : $this->_permissions->check($flag, $perm);
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}
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/**
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* Gets all subforums of this forum.
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*
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* @return array Array containing forum objects.
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*/
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public function forums()
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{
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// Check if _forums is populated
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if (!count($this->_forums)) {
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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->_forums = $forums;
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} else {
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$forums = $this->_forums;
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}
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// Return the forum objects
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return $forums;
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}
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/**
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* Gets the threads in this forum.
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*
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* @return array Array containing all threads.
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*/
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public function threads()
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{
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// Check if _threads is populated
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if (!count($this->_threads)) {
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// Get all rows with the forum id for this forum
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$threadRows = DB::table('topics')
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->where('forum_id', $this->id)
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->orderBy('topic_type', 'desc')
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->orderBy('topic_last_reply', 'desc')
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->get(['topic_id']);
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// Create a storage array
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$threads = [];
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// Create new objects for each thread
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foreach ($threadRows as $thread) {
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$threads[$thread->topic_id] = new Thread($thread->topic_id);
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}
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$this->_threads = $threads;
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} else {
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$threads = $this->_threads;
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}
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// Return the thread objects
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return $threads;
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}
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/**
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* Gets the first post in this forum.
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*
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* @return Post The object of the first post.
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*/
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public function firstPost()
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{
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// Check if _firstPost is set
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if ($this->_firstPost === null) {
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// Get the row
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$firstPost = DB::table('posts')
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->where('forum_id', $this->id)
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->orderBy('post_id')
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->limit(1)
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->get(['post_id']);
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// Create the post object
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$post = new Post(empty($firstPost) ? 0 : $firstPost[0]->post_id);
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// Assign it to a "cache" variable
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$this->_firstPost = $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 $this->_firstPost;
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}
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}
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/**
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* Gets the last post in this forum.
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*
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* @return Post The object of the last post.
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*/
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public function lastPost()
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{
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// Check if _lastPost is set
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if ($this->_lastPost === null) {
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// Get the row
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$lastPost = DB::table('posts')
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->where('forum_id', $this->id)
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->orderBy('post_id', 'desc')
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->limit(1)
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->get(['post_id']);
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// Create the post object
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$post = new Post(empty($lastPost) ? 0 : $lastPost[0]->post_id);
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// Assign it to a "cache" variable
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$this->_lastPost = $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->_lastPost;
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}
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}
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/**
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* Counts the amount of threads in this forum.
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*
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* @return int Number of threads in this forum.
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*/
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public function threadCount()
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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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*
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* @return int Number of posts in this forum.
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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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*
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* @param int $user Id of the user in question.
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*
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* @return bool Indicator if read or not.
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*/
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public function unread($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($user)) {
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return true;
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}
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}
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// Check each thread
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foreach ($this->threads() as $thread) {
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if ($thread->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 threads in this forum at once.
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*
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* @param int $user The id of the user in question.
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*/
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public function trackUpdateAll($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($user);
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}
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// Iterate over every thread
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foreach ($this->threads() as $thread) {
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// Update every thread
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$thread->trackUpdate($user);
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}
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}
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}
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