added base AI module

package.json

@@ -27,6 +27,7 @@
     "@nestjs/platform-express": "^9.0.0",
     "@nestjs/swagger": "^7.1.14",
     "@prisma/client": "^5.5.2",
+    "chatgpt": "5.2.5",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.0",
     "reflect-metadata": "^0.1.13",

src/modules/common/AI/ai-chat.ts

@@ -0,0 +1,11 @@
+import { Injectable } from '@nestjs/common'
+import { AIChatGenerator } from './interface/ai-chat-generator'
+
+@Injectable()
+export class AIChat implements AIChatGenerator {
+  constructor(private aIChatGenerator: AIChatGenerator) { }
+
+  ask(question: string): Promise<string> {
+    return this.aIChatGenerator.ask(question)
+  }
+}

src/modules/common/AI/ai.module.ts

@@ -0,0 +1,14 @@
+import { Module } from '@nestjs/common';
+import { AIChatGenerator } from './interface/ai-chat-generator';
+import { AIChat } from './ai-chat';
+
+@Module({
+  providers: [
+    {
+      provide: AIChatGenerator,
+      useClass: AIChat
+    },
+  ],
+  exports: [AIChatGenerator],
+})
+export class AIModule { }

src/modules/common/AI/index.ts

@@ -0,0 +1 @@
+export * from './ai.module';

src/modules/common/AI/interface/ai-chat-generator.ts

@@ -0,0 +1,4 @@
+
+export abstract class AIChatGenerator {
+    abstract ask(id: string): Promise<string | null>
+}