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<?php |
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namespace seregazhuk\PinterestBot\Api\Providers\Core; |
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use seregazhuk\PinterestBot\Exceptions\AuthRequired; |
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use seregazhuk\PinterestBot\Exceptions\InvalidRequest; |
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/** |
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* Class ProviderWrapper is used to check for logged in status before any |
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* provider method is being invoked. |
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* |
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* @package seregazhuk\PinterestBot\Api\Providers\Core |
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*/ |
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class ProviderWrapper |
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{ |
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/** |
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* @var Provider |
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*/ |
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protected $provider; |
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/** |
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* @param Provider|object $provider |
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*/ |
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public function __construct(Provider $provider) |
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{ |
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$this->provider = $provider; |
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} |
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/** |
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* Proxies a call to a provider with a login check |
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* before every method if needed. |
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* |
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* @param $method |
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* @param $arguments |
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* @throws AuthRequired |
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* @throws InvalidRequest |
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* @return mixed|null |
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*/ |
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public function __call($method, $arguments) |
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{ |
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if (method_exists($this->provider, $method)) { |
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$this->checkMethodForLoginRequired($method); |
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return call_user_func_array([$this->provider, $method], $arguments); |
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} |
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$errorMessage = $this->getErrorMethodCallMessage($method, "Method $method does'n exist."); |
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throw new InvalidRequest($errorMessage); |
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} |
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/** |
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* Checks if method requires login and if true, |
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* checks logged in status. |
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* |
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* @param $method |
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* |
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* @throws AuthRequired if is not logged in |
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*/ |
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protected function checkMethodForLoginRequired($method) |
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{ |
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$isLoggedIn = $this->provider->isLoggedIn(); |
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$methodRequiresLogin = $this->provider->checkMethodRequiresLogin($method); |
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if ($methodRequiresLogin && !$isLoggedIn) { |
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$errorMessage = $this->getErrorMethodCallMessage($method, 'You must log in before.'); |
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throw new AuthRequired($errorMessage); |
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} |
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} |
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/** |
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* @param string $method |
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* @param string $message |
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* @return string |
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*/ |
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protected function getErrorMethodCallMessage($method, $message) |
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{ |
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$providerClass = get_class($this->provider); |
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return "Error calling $providerClass::$method method. $message"; |
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} |
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} |
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seregazhuk /
php-pinterest-bot
