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<?php |
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namespace Kerox\Messenger\Model\Common\Buttons; |
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class Nested extends AbstractButtons |
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{ |
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/** |
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* @var string |
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*/ |
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protected $title; |
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/** |
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* @var \Kerox\Messenger\Model\Common\Buttons\AbstractButtons[] |
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*/ |
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protected $buttons; |
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/** |
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* Nested constructor. |
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* |
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* @param string $title |
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* @param \Kerox\Messenger\Model\Common\Buttons\AbstractButtons[] $buttons |
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*/ |
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public function __construct(string $title, array $buttons) |
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{ |
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parent::__construct(self::TYPE_NESTED); |
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$this->isValidString($title, 20); |
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$this->isValidArray($buttons, 5); |
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$this->isValidButton($buttons); |
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$this->title = $title; |
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$this->buttons = $buttons; |
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} |
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/** |
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* @param \Kerox\Messenger\Model\Common\Buttons\AbstractButtons $button |
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* @return \Kerox\Messenger\Model\Common\Buttons\Nested |
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*/ |
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public function addButton(AbstractButtons $button): Nested |
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{ |
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$this->isValidButton([$button]); |
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$this->buttons[] = $button; |
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return $this; |
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} |
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/** |
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* @param array $buttons |
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*/ |
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private function isValidButton(array $buttons) |
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{ |
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$allowedButtonsType = $this->getAllowedButtonsType(); |
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/** @var AbstractButtons $button */ |
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foreach ($buttons as $button) { |
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if (!in_array($button->getType(), $allowedButtonsType)) { |
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throw new \InvalidArgumentException('Buttons can only be an instance of WebUrl, PostBack or Nested'); |
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} |
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} |
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} |
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/** |
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* @return array |
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*/ |
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private function getAllowedButtonsType(): array |
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{ |
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return [ |
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AbstractButtons::TYPE_WEB_URL, |
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AbstractButtons::TYPE_POSTBACK, |
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AbstractButtons::TYPE_NESTED, |
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]; |
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} |
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/** |
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* @return array |
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*/ |
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public function jsonSerialize(): array |
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{ |
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$json = parent::jsonSerialize(); |
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$json += [ |
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'title' => $this->title, |
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'call_to_actions' => $this->buttons, |
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]; |
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return $json; |
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} |
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} |
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ker0x /
messenger
