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<?php |
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namespace light\Easemob\Message; |
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use light\Easemob\Exception\InvalidArgumentException; |
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class MessageBuilder |
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{ |
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/** |
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* Message send targets |
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* |
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* @var array |
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*/ |
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protected $to; |
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/** |
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* Message send source user. |
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* |
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* This field can not empty, If not present this field, system default is admin. |
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* |
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* @var string |
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*/ |
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protected $from; |
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/** |
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* Message object |
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* |
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* @var Message |
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*/ |
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protected $msg; |
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/** |
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* target type, default is `users` |
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* |
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* @var string |
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*/ |
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protected $targetType = 'users'; |
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/** |
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* Extra attributes |
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* |
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* @var array |
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*/ |
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protected $ext; |
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/** |
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* Supported message send targets. |
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* |
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* @var array |
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*/ |
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protected $targetTypes = [ |
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'users', |
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'chatgroups', |
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'chatrooms', |
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]; |
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/** |
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* MessageBuilder constructor. |
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* |
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* @param Message $msg |
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*/ |
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public function __construct(Message $msg) |
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{ |
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$this->msg = $msg; |
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$this->to = (array)$msg->to; |
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$this->from = $msg->from; |
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if ($msg->scope) { |
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$this->targetType = $msg->scope; |
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} |
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} |
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/** |
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* Set target users. |
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* |
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* @param array $target |
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* |
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* @return $this |
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*/ |
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public function to(array $target) |
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{ |
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$this->msg->to = $this->to = $target; |
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return $this; |
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} |
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/** |
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* Set from user. |
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* |
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* @param string $from |
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* |
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* @return $this |
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*/ |
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public function from($from) |
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{ |
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$this->msg->from = $this->from = $from; |
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return $this; |
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} |
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/** |
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* Set target_type |
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* |
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* @param string $type |
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* |
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* @return $this |
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* |
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* @throws InvalidArgumentException |
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*/ |
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public function setTargetType($type) |
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{ |
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if (!in_array($type, $this->targetTypes)) { |
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throw new InvalidArgumentException("{$type} is not supported."); |
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} |
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$this->targetType = $type; |
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return $this; |
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} |
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public function build() |
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{ |
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$data = [ |
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'target_type' => $this->targetType, |
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'target' => (array) $this->to, |
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'msg' => $this->msg->toArray(), |
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'from' => $this->from, |
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'ext' => $this->ext, |
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]; |
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$this->validate($data); |
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return $data; |
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} |
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protected function validate(&$data) |
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{ |
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$data = array_filter($data); |
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return true; |
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} |
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} |
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lichunqiang /
easemob
