<?php
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/*
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* This file is part of the overtrue/wechat.
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*
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* (c) overtrue <i@overtrue.me>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace EasyWeChat\OfficialAccount\CustomerService;
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use EasyWeChat\Kernel\Exceptions\RuntimeException;
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use EasyWeChat\Kernel\Messages\Message;
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use EasyWeChat\Kernel\Messages\Raw as RawMessage;
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use EasyWeChat\Kernel\Messages\Text;
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/**
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* Class MessageBuilder.
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*
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* @author overtrue <i@overtrue.me>
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*/
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class Messenger
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{
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/**
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* Messages to send.
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*
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* @var \EasyWeChat\Kernel\Messages\Message;
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*/
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protected $message;
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/**
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* Messages target user open id.
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*
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* @var string
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*/
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protected $to;
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/**
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* Messages sender staff id.
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*
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* @var string
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*/
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protected $account;
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/**
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* Customer service instance.
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*
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* @var \EasyWeChat\OfficialAccount\CustomerService\Client
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*/
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protected $client;
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/**
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* MessageBuilder constructor.
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*
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* @param \EasyWeChat\OfficialAccount\CustomerService\Client $client
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*/
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public function __construct(Client $client)
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{
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$this->client = $client;
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}
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/**
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* Set message to send.
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*
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* @param string|Message $message
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*
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* @return Messenger
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*/
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public function message($message)
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{
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if (is_string($message)) {
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$message = new Text($message);
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}
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$this->message = $message;
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return $this;
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}
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/**
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* Set staff account to send message.
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*
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* @param string $account
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*
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* @return Messenger
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*/
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public function by(string $account)
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{
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$this->account = $account;
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return $this;
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}
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/**
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* @param string $account
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*
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* @return Messenger
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*/
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public function from(string $account)
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{
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return $this->by($account);
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}
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/**
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* Set target user open id.
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*
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* @param string $openid
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*
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* @return Messenger
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*/
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public function to($openid)
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{
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$this->to = $openid;
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return $this;
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}
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/**
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* Send the message.
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*
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* @return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
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*
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* @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
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* @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
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* @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
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*/
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public function send()
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{
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if (empty($this->message)) {
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throw new RuntimeException('No message to send.');
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}
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if ($this->message instanceof RawMessage) {
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$message = json_decode($this->message->get('content'), true);
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} else {
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$prepends = [
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'touser' => $this->to,
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];
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if ($this->account) {
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$prepends['customservice'] = ['kf_account' => $this->account];
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}
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$message = $this->message->transformForJsonRequest($prepends);
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}
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return $this->client->send($message);
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}
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/**
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* Return property.
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*
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* @param string $property
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*
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* @return mixed
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*/
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public function __get(string $property)
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{
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if (property_exists($this, $property)) {
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return $this->$property;
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}
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return null;
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}
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}
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