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<?php |
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namespace LaravelFlare\Flare\Admin; |
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use Illuminate\Support\Collection; |
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use LaravelFlare\Flare\Permissions\Permissions; |
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class AdminManager extends Collection |
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{ |
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/** |
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* Base Class. |
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* |
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* The Base Class for Model Admin's |
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*/ |
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const BASE_CLASS = 'LaravelFlare\Flare\Admin\Admin'; |
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/** |
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* Admin Config Key. |
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* |
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* Key which defined where in the Flare Admin Config to |
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* load the Admin classes from. |
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* |
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* @var string |
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*/ |
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const ADMIN_KEY = 'admin'; |
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/** |
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* __construct. |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->items = $this->getAdminClasses(); |
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} |
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/** |
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* Gets Admin classes based on the current users permissions |
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* which have been set. If a Admin class has not had the |
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* Permissions provided, it will be displayed by default. |
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* |
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* @return |
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*/ |
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public function getAdminClasses() |
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{ |
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$classCollection = []; |
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if (!defined('static::ADMIN_KEY')) { |
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return $classCollection; |
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} |
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$classCollection = $this->getSubAdminClasses(\Flare::config(static::ADMIN_KEY)); |
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return $classCollection; |
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} |
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/** |
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* Takes an array of classes and returns the |
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* classes which are available with the |
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* current permissions/policy set. |
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* |
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* @param array $classes |
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* |
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* @return array |
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*/ |
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public function getSubAdminClasses(array $classes) |
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{ |
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$classCollection = []; |
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foreach ($classes as $key => $class) { |
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if ($this->usableClass($key)) { |
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$classCollection[] = [$key => $this->getSubAdminClasses($class)]; |
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continue; |
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} |
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if ($this->usableClass($class)) { |
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$classCollection[] = $class; |
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continue; |
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} |
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} |
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return $classCollection; |
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} |
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/** |
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* Returns an instance of the Admin. |
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* |
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* @return Admin |
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*/ |
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public static function getAdminInstance() |
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{ |
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if (!$requested = Admin::getRequested()) { |
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return; |
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} |
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return new $requested(); |
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} |
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/** |
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* Register Admin Routes. |
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* |
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* Loops through all of the Admin classes in the collection |
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* and registers their Admin Routes. |
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* |
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* @return void |
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*/ |
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public function registerRoutes() |
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{ |
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$this->registerSubRoutes($this->items); |
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} |
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/** |
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* Loops through an array of classes |
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* and registers their Route recursively. |
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* |
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* @param array $classes |
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* |
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* @return void |
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*/ |
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public function registerSubRoutes(array $classes) |
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{ |
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foreach ($classes as $key => $class) { |
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if (is_array($class)) { |
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if ($this->usableClass($key)) { |
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$this->registerRoute($key); |
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} |
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$this->registerSubRoutes($class); |
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continue; |
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} |
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$this->registerRoute($class); |
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} |
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} |
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/** |
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* Registers an individual group of Admin routes. |
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* |
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* @param string $class |
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* |
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* @return void |
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*/ |
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public function registerRoute($class) |
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{ |
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(new $class())->registerRoutes(); |
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} |
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/** |
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* Determines if a class is usable by the currently |
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* defined user and their permission set. |
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* |
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* @param string $class |
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* |
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* @return bool |
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*/ |
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private function usableClass($class) |
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{ |
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if (!is_scalar($class) || !class_exists($class)) { |
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return false; |
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} |
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if ($class == static::BASE_CLASS) { |
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return false; |
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} |
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if (!$this->checkUserHasAdminPermissions($class)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Checks if the current user has access to a given |
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* Admin class and returns a boolean. |
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* |
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* @param string $class |
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* |
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* @return bool |
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*/ |
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private function checkUserHasAdminPermissions($class) |
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{ |
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return Permissions::check($class, 'view'); |
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} |
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} |
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laravelflare /
flare
