lkddi
f5d8a593c9
- ChatBotController 将用户提问和AI回复都广播到聊天室 - 前端不再本地渲染AI消息，由WebSocket广播统一处理 - AI小助手加入系统用户列表（公告样式展示） - 思考中提示延迟500ms显示在包厢窗口，避免排序混乱
133 lines
4.1 KiB
PHP
133 lines
4.1 KiB
PHP
<?php
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/**
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* 文件功能：聊天机器人控制器
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*
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* 处理用户与 AI 机器人的对话请求。
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* 先检查全局开关（sysparam: chatbot_enabled），再调用 AiChatService 获取回复。
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*
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* @author ChatRoom Laravel
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*
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* @version 1.0.0
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*/
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namespace App\Http\Controllers;
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use App\Events\MessageSent;
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use App\Jobs\SaveMessageJob;
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use App\Models\Sysparam;
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use App\Services\AiChatService;
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use App\Services\ChatStateService;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Auth;
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class ChatBotController extends Controller
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{
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/**
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* 构造函数：注入 AI 聊天服务和聊天状态服务
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*/
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public function __construct(
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private readonly AiChatService $aiChat,
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private readonly ChatStateService $chatState,
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) {}
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/**
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* 与 AI 机器人对话
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*
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* 接收用户消息，检查全局开关后调用 AI 服务获取回复。
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* 支持自动故障转移：默认厂商失败时自动尝试备用厂商。
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*
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* @param Request $request 请求对象，需包含 message 和 room_id
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* @return JsonResponse 机器人回复或错误信息
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*/
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public function chat(Request $request): JsonResponse
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{
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// 验证请求参数
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$request->validate([
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'message' => 'required|string|max:2000',
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'room_id' => 'required|integer',
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]);
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// 检查全局开关
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$enabled = Sysparam::getValue('chatbot_enabled', '0');
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if ($enabled !== '1') {
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return response()->json([
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'status' => 'error',
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'message' => 'AI 机器人功能已关闭，请联系管理员开启。',
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], 403);
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}
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$user = Auth::user();
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$message = $request->input('message');
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$roomId = $request->input('room_id');
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try {
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// 先广播用户的提问消息
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$userMsg = [
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'id' => $this->chatState->nextMessageId($roomId),
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'room_id' => $roomId,
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'from_user' => $user->username,
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'to_user' => 'AI小助手',
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'content' => $message,
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'is_secret' => false,
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'font_color' => '#000000',
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'action' => '',
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'sent_at' => now()->toDateTimeString(),
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];
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$this->chatState->pushMessage($roomId, $userMsg);
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broadcast(new MessageSent($roomId, $userMsg));
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SaveMessageJob::dispatch($userMsg);
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$result = $this->aiChat->chat($user->id, $message, $roomId);
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// 广播 AI 回复消息
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$botMsg = [
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'id' => $this->chatState->nextMessageId($roomId),
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'room_id' => $roomId,
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'from_user' => 'AI小助手',
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'to_user' => $user->username,
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'content' => $result['reply'],
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'is_secret' => false,
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'font_color' => '#16a34a',
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'action' => '',
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'sent_at' => now()->toDateTimeString(),
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];
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$this->chatState->pushMessage($roomId, $botMsg);
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broadcast(new MessageSent($roomId, $botMsg));
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SaveMessageJob::dispatch($botMsg);
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return response()->json([
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'status' => 'success',
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'reply' => $result['reply'],
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'provider' => $result['provider'],
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'model' => $result['model'],
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]);
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} catch (\Exception $e) {
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return response()->json([
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'status' => 'error',
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'message' => $e->getMessage(),
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], 500);
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}
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}
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/**
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* 清除当前用户的 AI 对话上下文
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*
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* 用于用户想要重新开始对话时使用。
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*
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* @param Request $request 请求对象
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* @return JsonResponse 操作结果
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*/
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public function clearContext(Request $request): JsonResponse
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{
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$user = Auth::user();
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$this->aiChat->clearContext($user->id);
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return response()->json([
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'status' => 'success',
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'message' => '对话上下文已清除，可以开始新的对话了。',
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]);
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}
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}
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