feat: 优化项目目录结构

apps/backend/src/resource/resource.service.ts

@@ -0,0 +1,38 @@
+import { Injectable } from '@nestjs/common';
+import { Repository } from 'typeorm';
+import { Resource } from './entity/resource.entity';
+import { InjectRepository } from '@nestjs/typeorm';
+
+@Injectable()
+export class ResourceService {
+  constructor(
+    @InjectRepository(Resource)
+    private readonly resourceRepository: Repository<Resource>,
+  ) {}
+
+  async findAll(): Promise<Resource[]> {
+    return this.resourceRepository.find({
+      order: {
+        createdAt: 'DESC',
+      },
+    });
+  }
+
+  async findById(id: string): Promise<Resource> {
+    return this.resourceRepository.findOne({ where: { id } });
+  }
+
+  async create(data: Partial<Resource>): Promise<Resource> {
+    const resource = this.resourceRepository.create(data);
+    return this.resourceRepository.save(resource);
+  }
+
+  async update(id: string, data: Partial<Resource>): Promise<Resource> {
+    await this.resourceRepository.update(id, data);
+    return this.resourceRepository.findOne({ where: { id } });
+  }
+
+  async delete(id: string): Promise<void> {
+    await this.resourceRepository.delete(id);
+  }
+}