增加技术端与客户端聊天
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贾祥聪
312
server/app/coachapi/controller/ChatController.php
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312
server/app/coachapi/controller/ChatController.php
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<?php
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namespace app\coachapi\controller;
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use app\common\model\chat\ChatConversation;
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use app\common\model\chat\ChatMessage;
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use app\common\model\coach\Coach;
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use app\common\model\user\User;
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use think\facade\Db;
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use think\Request;
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class ChatController extends BaseCoachController
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{
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/**
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* 获取会话信息
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*/
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public function conversation_info()
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{
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$conversationId = $this->request->param('conversation_id/d', 0);
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if (!$conversationId) {
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return json(['code' => 400, 'msg' => '会话ID不能为空']);
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}
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try {
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// 查询会话信息
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$conversation = ChatConversation::find($conversationId);
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if (!$conversation) {
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return json(['code' => 404, 'msg' => '会话不存在']);
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}
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// 查询用户信息
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$userInfo = User::field('id, nickname, avatar')->find($conversation['user_id']);
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// 查询技师信息
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$techInfo = Coach::field('id, name as nickname, work_photo as avatar')->find($conversation['tech_id']);
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// 查询最后一条消息
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$lastMessage = [];
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if ($conversation['last_msg_id']) {
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$lastMessage = ChatMessage::field('content, create_time')->find($conversation['last_msg_id']);
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}
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return json([
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'code' => 200,
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'data' => [
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'id' => $conversation['id'],
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'user_info' => $userInfo ?: null,
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'tech_info' => $techInfo ?: null,
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'last_message' => $lastMessage ?: null,
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'unread_count' => $conversation['unread_count'],
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'update_time' => $conversation['update_time']
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]
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]);
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} catch (\Exception $e) {
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return json(['code' => 500, 'msg' => '获取会话信息失败: ' . $e->getMessage()]);
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}
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}
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/**
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* 获取聊天历史
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*/
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public function history()
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{
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$conversationId = $this->request->param('conversation_id/d', 0);
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$page = $this->request->param('page/d', 1);
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$pageSize = $this->request->param('page_size/d', 20);
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if (!$conversationId) {
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return json(['code' => 400, 'msg' => '会话ID不能为空']);
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}
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try {
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// 计算偏移量
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$offset = ($page - 1) * $pageSize;
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// 查询消息列表
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$messages = Db::name('chat_message')
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->where('conversation_id', $conversationId)
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->order('id', 'asc')
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->limit($offset, 999999)
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->select()
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->toArray();
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// 查询总数
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$total = Db::name('chat_message')
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->where('conversation_id', $conversationId)
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->count();
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return json([
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'code' => 200,
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'data' => [
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'list' => $messages,
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'total' => $total,
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'has_more' => ($offset + count($messages)) < $total
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]
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]);
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} catch (\Exception $e) {
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return json(['code' => 500, 'msg' => '获取聊天历史失败: ' . $e->getMessage()]);
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}
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}
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/**
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* 标记消息为已读
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*/
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public function mark_as_read()
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{
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$conversationId = $this->request->param('conversation_id/d', 0);
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$userId = $this->request->param('user_id/d', 0);
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if (!$conversationId || !$userId) {
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return json(['code' => 400, 'msg' => '参数不完整']);
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}
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try {
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// 开始事务
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Db::startTrans();
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// 1. 标记消息为已读
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Db::name('chat_message')
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->where('conversation_id', $conversationId)
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->where('receiver_id', $userId)
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->where('read_status', 0)
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->update([
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'read_status' => 1,
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'update_time' => date('Y-m-d H:i:s')
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]);
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// 2. 重置会话未读数
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Db::name('chat_conversation')
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->where('id', $conversationId)
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->update([
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'unread_count' => 0,
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'update_time' => date('Y-m-d H:i:s')
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]);
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// 提交事务
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Db::commit();
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return json(['code' => 200, 'msg' => '标记成功']);
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} catch (\Exception $e) {
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// 回滚事务
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Db::rollback();
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return json(['code' => 500, 'msg' => '标记失败: ' . $e->getMessage()]);
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}
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}
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/**
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* 获取会话列表
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* @return \think\Response
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*/
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public function conversations(Request $request)
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{
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try {
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// 获取当前技师ID (从token或session中获取)
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$techId = $this->getCurrentTechId();
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// 获取请求参数
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$page = $request->param('page/d', 1);
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$pageSize = $request->param('page_size/d', 10);
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// 查询会话列表
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$conversations = ChatConversation::where('tech_id', $techId)
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->with(['user', 'lastMessage'])
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->order('update_time', 'desc')
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->page($page, $pageSize)
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->select();
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// 格式化返回数据
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$data = [];
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foreach ($conversations as $convo) {
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$data[] = [
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'id' => $convo->id,
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'user_id' => $convo->user_id,
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'user_name' => $convo->user->nickname ?? '',
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'user_avatar' => $convo->user->avatar ?? '',
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'last_message' => $convo->lastMessage->content ?? '',
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'last_message_time' => $convo->lastMessage->create_time ?? '',
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'unread_count' => $convo->unread_count,
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'update_time' => $convo->update_time
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];
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}
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return json([
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'code' => 200,
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'msg' => '成功',
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'data' => $data
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]);
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} catch (\Exception $e) {
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return json([
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'code' => 500,
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'msg' => '获取会话列表失败: ' . $e->getMessage()
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]);
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}
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}
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/**
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* 获取当前技师ID
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* @return int
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* @throws \Exception
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*/
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private function getCurrentTechId()
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{
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return $this->coachInfo['coach_id'];
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}
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/**
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* 发送消息
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*/
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public function send()
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{
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$params = $this->request->param();
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$techId = $params['tech_id'] ?? 0;
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$orderId = $params['order_id'] ?? 0;
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$content = $params['content'] ?? '';
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if (empty($content)) {
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return json(['code' => 400, 'msg' => '消息内容不能为空']);
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}
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// 生成会话ID
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$conversation = ChatConversation::where(['tech_id'=>$techId,'user_id'=>$this->userId])->find();
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if (empty($conversation)) {
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$cccc = new ChatConversation;
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$conversationId = $cccc->insertGetId(['tech_id'=>$techId,'user_id'=>$this->userId]);
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}else{
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$conversationId = $conversation['id'];
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}
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// 创建消息
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$message = new ChatMessage();
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$message->conversation_id = $conversationId;
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$message->sender_id = $this->userId;
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$message->sender_type = ChatMessage::SENDER_USER; // 用户
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$message->receiver_id = $techId;
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$message->receiver_type = ChatMessage::SENDER_TECH; // 技师
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$message->content = $content;
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$message->message_type = ChatMessage::TYPE_TEXT; // 文本
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$message->read_status = ChatMessage::UNREAD; // 未读
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$message->order_id = $orderId;
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$message->save();
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// TODO: 这里应该通过WebSocket推送给技师
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return json(['code' => 200, 'msg' => '发送成功', 'data' => $message]);
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}
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/**
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* 标记消息为已读
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*/
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public function markAsRead()
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{
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$params = $this->request->param();
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$conversationId = $params['conversation_id'] ?? '';
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$userId = $this->request->uid;
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if (empty($conversationId)) {
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return json(['code' => 400, 'msg' => '会话ID不能为空']);
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}
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// 标记消息为已读
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Db::name('chat_message')
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->where('conversation_id', $conversationId)
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->where('receiver_id', $userId)
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->where('read_status', ChatMessage::UNREAD)
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->update(['read_status' => ChatMessage::READ]);
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return json(['code' => 200, 'msg' => '已标记为已读']);
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}
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/**
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* 获取未读消息数量
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*/
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public function unreadCount()
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{
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$unreadCount = ChatMessage::where([
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'conversation_id' => $this->request->uid,
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'receiver_type' => ChatMessage::SENDER_USER, // 用户
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'read_status' => ChatMessage::UNREAD
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])->count();
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return json(['code' => 200, 'data' => ['count' => $unreadCount]]);
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}
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/**
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* 获取最后一条消息
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*/
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public function lastMessage()
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{
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$params = $this->request->param();
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$techId = $params['tech_id'] ?? 0;
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$orderId = $params['order_id'] ?? 0;
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// 生成会话ID
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$conversationId = min($this->request->uid, $techId) . '_' . max($this->request->uid, $techId);
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$message = ChatMessage::where([
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'conversation_id' => $conversationId,
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'order_id' => $orderId
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])
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->order('id', 'desc')
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->find();
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return json(['code' => 200, 'data' => $message]);
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}
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}
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