MessageBuilder.php
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<?php
/*
* This file is part of the overtrue/wechat.
*
* (c) overtrue <i@overtrue.me>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace EasyWeChat\OfficialAccount\Broadcasting;
use EasyWeChat\Kernel\Contracts\MessageInterface;
use EasyWeChat\Kernel\Exceptions\RuntimeException;
/**
* Class MessageBuilder.
*
* @author overtrue <i@overtrue.me>
*/
class MessageBuilder
{
/**
* @var array
*/
protected $to = [];
/**
* @var \EasyWeChat\Kernel\Contracts\MessageInterface
*/
protected $message;
/**
* @var array
*/
protected $attributes = [];
/**
* Set message.
*
* @return $this
*/
public function message(MessageInterface $message)
{
$this->message = $message;
return $this;
}
/**
* Set target user or group.
*
* @return $this
*/
public function to(array $to)
{
$this->to = $to;
return $this;
}
/**
* @return \EasyWeChat\OfficialAccount\Broadcasting\MessageBuilder
*/
public function toTag(int $tagId)
{
$this->to([
'filter' => [
'is_to_all' => false,
'tag_id' => $tagId,
],
]);
return $this;
}
/**
* @return \EasyWeChat\OfficialAccount\Broadcasting\MessageBuilder
*/
public function toUsers(array $openids)
{
$this->to([
'touser' => $openids,
]);
return $this;
}
/**
* @return $this
*/
public function toAll()
{
$this->to([
'filter' => ['is_to_all' => true],
]);
return $this;
}
/**
* @return \EasyWeChat\OfficialAccount\Broadcasting\MessageBuilder
*/
public function with(array $attributes)
{
$this->attributes = $attributes;
return $this;
}
/**
* Build message.
*
* @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
*/
public function build(array $prepends = []): array
{
if (empty($this->message)) {
throw new RuntimeException('No message content to send.');
}
$content = $this->message->transformForJsonRequest();
if (empty($prepends)) {
$prepends = $this->to;
}
$message = array_merge($prepends, $content, $this->attributes);
return $message;
}
/**
* Build preview message.
*
* @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
*/
public function buildForPreview(string $by, string $user): array
{
return $this->build([$by => $user]);
}
}