doc gpt V0.2

src/service/models/chat.ts

@@ -0,0 +1,26 @@
+import { Schema, model, models } from 'mongoose';
+
+const ChatSchema = new Schema({
+  userId: {
+    type: Schema.Types.ObjectId,
+    ref: 'user',
+    required: true
+  },
+  modelId: {
+    type: Schema.Types.ObjectId,
+    ref: 'model',
+    required: true
+  },
+  expiredTime: {
+    // 过期时间
+    type: Number,
+    required: true
+  },
+  loadAmount: {
+    // 剩余加载次数
+    type: Number,
+    required: true
+  }
+});
+
+export const Chat = models['chat'] || model('chat', ChatSchema);