feat: wechat api问题修复

src/article/controller/category.controller.ts

@@ -17,10 +17,14 @@ import { SearchCategoryFilter } from '../dto/search-category.filter';
 import { PageResultMapper } from '../../core/mapper/page-result.mapper';
 import { PageResult } from '../../core/vo/page-result';
 import { UpdateCategoryRequest } from '../dto/update-category.request';
+import { ArticleService } from '../service/article.service';
 
 @Controller('categories')
 export class CategoryController {
-  constructor(private readonly categoryService: CategoryService) {}
+  constructor(
+    private readonly categoryService: CategoryService,
+    private readonly articleService: ArticleService,
+  ) {}
 
   @Post()
   @ApiOkResponse({

src/article/error/category.error.ts

@@ -5,4 +5,8 @@ export const CategoryError: Record<string, ErrorResponse> = {
     code: 3001,
     message: 'Category not found',
   },
+  HAS_ARTICLE: {
+    code: 3002,
+    message: '该分类下还有文章，请先删除文章',
+  },
 };

src/article/service/article.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { forwardRef, Inject, Injectable } from '@nestjs/common';
 import { CreateArticleRequest } from '../dto/create-article.request';
 import { Repository } from 'typeorm';
 import { Article } from '../entity/article.entity';
@@ -14,6 +14,7 @@ export class ArticleService {
   constructor(
     @InjectRepository(Article)
     private readonly articleRepository: Repository<Article>,
+    @Inject(forwardRef(() => CategoryService))
     private readonly categoryService: CategoryService,
   ) {}
 
@@ -82,4 +83,12 @@ export class ArticleService {
     const article = await this.get(id);
     await this.articleRepository.remove(article);
   }
+
+  async countByCategoryId(id: string) {
+    return await this.articleRepository.countBy({
+      category: {
+        id,
+      },
+    });
+  }
 }

src/article/service/category.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from '@nestjs/common';
+import { forwardRef, Inject, Injectable } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Category } from '../entity/category.entity';
 import { Repository } from 'typeorm';
@@ -8,6 +8,7 @@ import { BizException } from '../../core/exception/biz.exception';
 import { CategoryError } from '../error/category.error';
 import { UpdateCategoryRequest } from '../dto/update-category.request';
 import { UserService } from '../../core/service/user.service';
+import { ArticleService } from './article.service';
 
 @Injectable()
 export class CategoryService {
@@ -15,6 +16,8 @@ export class CategoryService {
     @InjectRepository(Category)
     private readonly categoryRepository: Repository<Category>,
     private readonly userService: UserService,
+    @Inject(forwardRef(() => ArticleService))
+    private readonly articleService: ArticleService,
   ) {}
 
   async create(createCategoryRequest: CreateCategoryRequest) {
@@ -62,6 +65,10 @@ export class CategoryService {
     if (!category) {
       throw new BizException(CategoryError.NOT_FOUND);
     }
+    const articleCount = await this.articleService.countByCategoryId(id);
+    if (articleCount > 0) {
+      throw new BizException(CategoryError.HAS_ARTICLE);
+    }
     await this.categoryRepository.remove(category);
   }
 

src/we-chat/entity/mini-program-user.entity.ts

@@ -1,6 +1,7 @@
 import { BaseEntity } from '../../core/entity/base.entity';
-import { Column } from 'typeorm';
+import { Column, Entity } from 'typeorm';
 
+@Entity()
 export class MiniProgramUser extends BaseEntity {
   @Column({ unique: true })
   openId: string;