perf: 生成对话框时机

src/pages/api/chat/init.ts

@@ -1,9 +1,10 @@
 import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@/service/response';
-import { connectToDatabase, Chat } from '@/service/mongo';
-import type { ChatPopulate } from '@/types/mongoSchema';
+import { connectToDatabase, Chat, Model } from '@/service/mongo';
 import type { InitChatResponse } from '@/api/response/chat';
 import { authToken } from '@/service/utils/tools';
+import { ChatItemType } from '@/types/chat';
+import { authModel } from '@/service/utils/auth';
 
 /* 初始化我的聊天框，需要身份验证 */
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
@@ -11,43 +12,46 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const { authorization } = req.headers;
     const userId = await authToken(authorization);
 
-    const { chatId } = req.query as { chatId: string };
+    const { modelId, chatId } = req.query as { modelId: string; chatId: '' | string };
 
-    if (!chatId) {
+    if (!modelId) {
       throw new Error('缺少参数');
     }
 
     await connectToDatabase();
 
-    // 获取 chat 数据
-    const chat = await Chat.findOne<ChatPopulate>({
-      _id: chatId,
-      userId
-    }).populate({
-      path: 'modelId',
-      options: {
-        strictPopulate: false
-      }
-    });
+    // 获取 model 数据
+    const { model } = await authModel(modelId, userId);
 
-    if (!chat) {
-      throw new Error('聊天框不存在');
+    // 历史记录
+    let history: ChatItemType[] = [];
+
+    if (chatId) {
+      // 获取 chat 数据
+      const chat = await Chat.findOne({
+        _id: chatId,
+        userId,
+        modelId
+      });
+
+      if (!chat) {
+        throw new Error('聊天框不存在');
+      }
+
+      // filter 被 deleted 的内容
+      history = chat.content.filter((item) => item.deleted !== true);
     }
 
-    // filter 掉被 deleted 的内容
-    chat.content = chat.content.filter((item) => item.deleted !== true);
-
-    const model = chat.modelId;
     jsonRes<InitChatResponse>(res, {
       data: {
-        chatId: chat._id,
-        modelId: model._id,
+        chatId: chatId || '',
+        modelId: modelId,
         name: model.name,
         avatar: model.avatar,
         intro: model.intro,
         modelName: model.service.modelName,
         chatModel: model.service.chatModel,
-        history: chat.content
+        history
       }
     });
   } catch (err) {