86 lines
2.3 KiB
PHP
86 lines
2.3 KiB
PHP
<?php
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/**
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* Holds the permission handler.
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* @package Sakura
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*/
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namespace Sakura;
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use Illuminate\Database\Query\Builder;
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/**
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* Inheritable 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 PermissionHandler
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{
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public const TABLE = '';
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public $user = 0;
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public $ranks = [];
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public $additionalRequirements = [];
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private $permCache = [];
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private $validCache = [];
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public function __construct(User $user)
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{
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$this->user = $user->id;
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$this->ranks = array_keys($user->ranks);
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}
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public function __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($name);
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$add_reqs = $this->additionalRequirements;
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$result = DB::table(static::TABLE)
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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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->where(function (Builder $query) use ($add_reqs) {
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if (isset($add_reqs['where'])) {
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foreach ($add_reqs['where'] as $col => $val) {
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$query->where($col, $val);
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}
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}
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if (isset($add_reqs['where_in'])) {
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foreach ($add_reqs['where_in'] as $col => $val) {
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$query->whereIn($col, $val);
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}
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}
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})
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->whereNotNull($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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