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<?php |
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namespace Kerox\Messenger\Model; |
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use Kerox\Messenger\ValidatorTrait; |
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class ThreadSettings implements \JsonSerializable |
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{ |
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use ValidatorTrait; |
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const TYPE_GREETING = 'greeting'; |
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const TYPE_CALL_TO_ACTIONS = 'call_to_actions'; |
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const TYPE_DOMAIN_WHITELISTING = 'domain_whitelisting'; |
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const TYPE_ACCOUNT_LINKING = 'account_linking'; |
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const TYPE_PAYMENT = 'payment'; |
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const STATE_EXISTING_THREAD = 'existing_thread'; |
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const STATE_NEW_THREAD = 'new_thread'; |
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/** |
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* @var string |
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*/ |
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protected $type; |
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/** |
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* @var null|string |
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*/ |
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protected $state; |
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/** |
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* ThreadSettings constructor. |
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* |
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* @param string $type |
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* @param string $state |
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*/ |
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public function __construct(string $type, string $state = null) |
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{ |
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$this->type = $type; |
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if ($state !== null && $type === self::TYPE_CALL_TO_ACTIONS) { |
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$this->isValidState($state); |
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$this->state = $state; |
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} |
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} |
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/** |
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* @param string $state |
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* @throws \InvalidArgumentException |
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*/ |
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private function isValidState(string $state) |
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{ |
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$allowedState = $this->getAllowedState(); |
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if (!in_array($state, $allowedState)) { |
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throw new \InvalidArgumentException('$state must be either ' . implode(', '), $allowedState); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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private function getAllowedState(): array |
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{ |
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return [ |
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ThreadSettings::STATE_NEW_THREAD, |
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ThreadSettings::STATE_EXISTING_THREAD, |
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]; |
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} |
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/** |
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* @return array |
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*/ |
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public function jsonSerialize(): array |
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{ |
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$json = [ |
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'setting_type' => $this->type, |
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'thread_state' => $this->state, |
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]; |
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return array_filter($json); |
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} |
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} |
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