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<?php |
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/* |
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* This file is part of the StateMachine package. |
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* |
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* (c) Alexandre Bacco |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Sebdesign\SM\Callback; |
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use SM\Callback\Callback; |
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use SM\Event\TransitionEvent; |
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use Illuminate\Contracts\Container\Container as ContainerInterface; |
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class ContainerAwareCallback extends Callback |
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{ |
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/** |
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* @var \Illuminate\Contracts\Container\Container |
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*/ |
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protected $container; |
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/** |
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* @param array $specs Specification for the callback to be called |
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* @param mixed $callable Closure, callable or string that will be called if specifications pass |
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* @param \Illuminate\Contracts\Container\Container $container The service container that will be used to resolve the callable |
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*/ |
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public function __construct(array $specs, $callable, ContainerInterface $container) |
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{ |
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parent::__construct($specs, $callable); |
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$this->container = $container; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function call(TransitionEvent $event) |
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{ |
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// Load the services only now (when the callback is actually called) |
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// Resolve 'Class@method' callables |
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if ($this->isCallableWithAtSign()) { |
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$this->callable = explode('@', $this->callable); |
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} |
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// Resolve ['Class', 'method'] callables from the container |
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if (is_array($this->callable) && is_string($this->callable[0])) { |
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$id = $this->callable[0]; |
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// If the class has no bindings in the container, call method statically. |
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if (! $this->container->bound($id)) { |
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return parent::call($event); |
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} |
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$this->callable[0] = $this->container->make($id); |
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} |
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return parent::call($event); |
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} |
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/** |
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* Determine if the given string is in Class@method syntax. |
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* |
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* @return bool |
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*/ |
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protected function isCallableWithAtSign() |
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{ |
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return is_string($this->callable) && strpos($this->callable, '@') !== false; |
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} |
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} |
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sebdesign /
laravel-state-machine
