90 lines
2.2 KiB
PHP
90 lines
2.2 KiB
PHP
<?php
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/**
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* Holds the forum permission handler.
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* @package Sakura
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*/
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namespace Sakura\Forum;
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use Illuminate\Database\Query\Builder;
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use Sakura\DB;
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use Sakura\User;
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use Traversable;
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/**
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* Forum permission handler.
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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 ForumPerms
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{
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private static $table = 'forum_perms';
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private $forums = [];
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private $user = 0;
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private $ranks = [];
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private $permCache = [];
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private $validCache = [];
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public function __construct(Forum $forum, User $user)
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{
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$this->forums = iterator_to_array($this->getForumIds($forum->id));
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$this->user = $user->id;
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$this->ranks = array_keys($user->ranks);
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}
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public function getForumIds(int $id): Traversable
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{
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// yield the initial id
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yield $id;
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while ($id > 0) {
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$id = DB::table('forums')
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->where('forum_id', $id)
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->value('forum_category');
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yield $id;
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}
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}
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public function __get(string $name): bool
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{
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return $this->check($name);
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}
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public function __isset(string $name): bool
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{
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return $this->valid($name);
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}
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public function valid(string $name): bool
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{
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if (!array_key_exists($name, $this->validCache)) {
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$column = 'perm_' . camel_to_snake($name);
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$this->validCache[$name] = DB::getSchemaBuilder()->hasColumn(static::$table, $column);
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}
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return $this->validCache[$name];
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}
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public function check(string $name): bool
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{
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if (!array_key_exists($name, $this->permCache)) {
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$column = 'perm_' . camel_to_snake($name);
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$result = DB::table(static::$table)
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->whereIn('forum_id', $this->forums)
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->where(function (Builder $query) {
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$query->whereIn('rank_id', $this->ranks)
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->orWhere('user_id', $this->user);
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})
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->whereNotNull($column)
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->groupBy($column)
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->min($column);
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$this->permCache[$name] = intval($result) === 1;
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}
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return $this->permCache[$name];
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}
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}
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