feat: 添加区域管理功能及相关实体关系

- 新增Area实体及相关DTO、Service、Controller
- 在Site和StockPoint实体中添加与Area的多对多关系
- 添加区域数据迁移文件和种子数据
- 修改Site实体字段siteName为name并保持兼容
- 在Product实体中添加promotionPrice和source字段
- 添加模板渲染接口
- 完善模板删除前的校验逻辑

src/config/config.default.ts

@@ -34,6 +34,7 @@ import { Site } from '../entity/site.entity';
 import { Dict } from '../entity/dict.entity';
 import { DictItem } from '../entity/dict_item.entity';
 import { Template } from '../entity/template.entity';
+import { Area } from '../entity/area.entity';
 import DictSeeder from '../db/seeds/dict.seeder';
 
 export default {
@@ -76,7 +77,8 @@ export default {
         Site,
         Dict,
         DictItem,
-        Template
+        Template,
+        Area,
       ],
       synchronize: true,
       logging: false,

src/controller/area.controller.ts

@@ -0,0 +1,110 @@
+
+import { Inject } from '@midwayjs/core';
+import {
+  Body,
+  Controller,
+  Del,
+  Get,
+  Param,
+  Post,
+  Put,
+  Query,
+} from '@midwayjs/decorator';
+import {
+  ApiBearerAuth,
+  ApiBody,
+  ApiExtension,
+  ApiOkResponse,
+  ApiOperation,
+  ApiTags,
+} from '@midwayjs/swagger';
+import { AreaService } from '../service/area.service';
+import { CreateAreaDTO, QueryAreaDTO, UpdateAreaDTO } from '../dto/area.dto';
+import { errorResponse, successResponse } from '../utils/response.util';
+import { Area } from '../entity/area.entity';
+
+@ApiBearerAuth()
+@ApiTags('Area')
+@Controller('/api/area')
+export class AreaController {
+  @Inject()
+  areaService: AreaService;
+
+  @ApiOperation({ summary: '创建区域' })
+  @ApiBody({ type: CreateAreaDTO })
+  @ApiOkResponse({ type: Area, description: '成功创建的区域' })
+  @Post('/')
+  async createArea(@Body() area: CreateAreaDTO) {
+    try {
+      const newArea = await this.areaService.createArea(area);
+      return successResponse(newArea, '创建成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+
+  @ApiOperation({ summary: '更新区域' })
+  @ApiBody({ type: UpdateAreaDTO })
+  @ApiOkResponse({ type: Area, description: '成功更新的区域' })
+  @Put('/:id')
+  async updateArea(@Param('id') id: number, @Body() area: UpdateAreaDTO) {
+    try {
+      const updatedArea = await this.areaService.updateArea(id, area);
+      return successResponse(updatedArea, '更新成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+
+  @ApiOperation({ summary: '删除区域' })
+  @ApiOkResponse({ description: '删除成功' })
+  @Del('/:id')
+  async deleteArea(@Param('id') id: number) {
+    try {
+      await this.areaService.deleteArea(id);
+      return successResponse(null, '删除成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+
+  @ApiOperation({ summary: '获取区域列表（分页）' })
+  @ApiOkResponse({ type: [Area], description: '区域列表' })
+  @ApiExtension('x-pagination', { currentPage: 1, pageSize: 10, total: 100 })
+  @Get('/')
+  async getAreaList(@Query() query: QueryAreaDTO) {
+    try {
+      const { list, total } = await this.areaService.getAreaList(query);
+      return successResponse({ list, total }, '查询成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+
+  @ApiOperation({ summary: '获取所有区域' })
+  @ApiOkResponse({ type: [Area], description: '所有区域列表' })
+  @Get('/all')
+  async getAllAreas() {
+    try {
+      const areas = await this.areaService.getAllAreas();
+      return successResponse(areas, '查询成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+
+  @ApiOperation({ summary: '根据ID获取区域详情' })
+  @ApiOkResponse({ type: Area, description: '区域详情' })
+  @Get('/:id')
+  async getAreaById(@Param('id') id: number) {
+    try {
+      const area = await this.areaService.getAreaById(id);
+      if (!area) {
+        return errorResponse('区域不存在');
+      }
+      return successResponse(area, '查询成功');
+    } catch (error) {
+      return errorResponse(error.message);
+    }
+  }
+}

src/controller/template.controller.ts

@@ -1,4 +1,4 @@
-import { Inject, Controller, Get, Post, Put, Del, Body, Param } from '@midwayjs/core';
+import { Inject, Controller, Get, Post, Put, Del, Body, Param, Query } from '@midwayjs/core';
 import { TemplateService } from '../service/template.service';
 import { successResponse, errorResponse } from '../utils/response.util';
 import { CreateTemplateDTO, UpdateTemplateDTO } from '../dto/template.dto';
@@ -20,17 +20,10 @@ export class TemplateController {
    * @description 获取所有可用模板的列表
    */
   @ApiOkResponse({ type: [Template], description: '成功获取模板列表' })
-  @Get('/')
-  async getTemplateList() {
-    try {
-      // 调用服务层获取列表
-      const data = await this.templateService.getTemplateList();
-      // 返回成功响应
-      return successResponse(data);
-    } catch (error) {
-      // 返回错误响应
-      return errorResponse(error.message);
-    }
+  @Get('/list')
+  async getTemplateList(@Query() params: any) {
+    // 调用服务层获取列表
+    return this.templateService.getTemplateList(params);
   }
 
   /**
@@ -112,4 +105,27 @@ export class TemplateController {
       return errorResponse(error.message);
     }
   }
+
+  /**
+   * @summary 渲染模板
+   * @description 根据模板名称和输入的数据渲染最终字符串
+   * @param name 模板名称
+   * @param data 渲染数据
+   */
+  @ApiOkResponse({ type: String, description: '成功渲染模板' })
+  @Post('/render/:name')
+  async renderTemplate(
+    @Param('name') name: string,
+    @Body() data: Record<string, any>
+  ) {
+    try {
+      // 调用服务层渲染模板
+      const renderedString = await this.templateService.render(name, data);
+      // 返回成功响应
+      return successResponse(renderedString);
+    } catch (error) {
+      // 返回错误响应
+      return errorResponse(error.message);
+    }
+  }
 }

src/db/datasource.ts

@@ -34,6 +34,8 @@ import { Subscription } from '../entity/subscription.entity';
 import { Site } from '../entity/site.entity';
 import { Dict } from '../entity/dict.entity';
 import { DictItem } from '../entity/dict_item.entity';
+import { Template } from '../entity/template.entity';
+import { Area } from '../entity/area.entity';
 
 const options: DataSourceOptions & SeederOptions = {
     type: 'mysql',
@@ -79,8 +81,10 @@ const options: DataSourceOptions & SeederOptions = {
         Site,
         Dict,
         DictItem,
+        Template,
+        Area,
     ],
-    migrations: ['src/migration/*.ts'],
+    migrations: ['src/db/migrations/**/*.ts'],
     seeds: ['src/db/seeds/**/*.ts'],
 };
 

src/db/migrations/1764294088896-Area.ts

@@ -0,0 +1,45 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Area1764294088896 implements MigrationInterface {
+    name = 'Area1764294088896'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        // await queryRunner.query(`DROP INDEX \`IDX_4ca3fbc46d2dbf393ff4ebddbb\` ON \`site\``);
+        // await queryRunner.query(`CREATE TABLE \`area\` (\`id\` int NOT NULL AUTO_INCREMENT, \`name\` varchar(255) NOT NULL, \`createdAt\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6), \`updatedAt\` datetime(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), UNIQUE INDEX \`IDX_644ffaf8fbde4db798cb47712f\` (\`name\`), PRIMARY KEY (\`id\`)) ENGINE=InnoDB`);
+        // await queryRunner.query(`CREATE TABLE \`stock_point_areas_area\` (\`stockPointId\` int NOT NULL, \`areaId\` int NOT NULL, INDEX \`IDX_07d2db2150151e2ef341d2f1de\` (\`stockPointId\`), INDEX \`IDX_92707ea81fc19dc707dba24819\` (\`areaId\`), PRIMARY KEY (\`stockPointId\`, \`areaId\`)) ENGINE=InnoDB`);
+        // await queryRunner.query(`CREATE TABLE \`site_areas_area\` (\`siteId\` int NOT NULL, \`areaId\` int NOT NULL, INDEX \`IDX_926a14ac4c91f38792831acd2a\` (\`siteId\`), INDEX \`IDX_7c26c582048e3ecd3cd5938cb9\` (\`areaId\`), PRIMARY KEY (\`siteId\`, \`areaId\`)) ENGINE=InnoDB`);
+        // await queryRunner.query(`ALTER TABLE \`site\` DROP COLUMN \`siteName\``);
+        // await queryRunner.query(`ALTER TABLE `product` ADD `promotionPrice` decimal(10,2) NOT NULL DEFAULT '0.00'`);
+        // await queryRunner.query(`ALTER TABLE `product` ADD `source` int NOT NULL DEFAULT '0'`);
+        // await queryRunner.query(`ALTER TABLE \`site\` ADD \`token\` varchar(255) NULL`);
+        // await queryRunner.query(`ALTER TABLE `site` ADD `name` varchar(255) NOT NULL`);
+        // await queryRunner.query(`ALTER TABLE \`site\` ADD UNIQUE INDEX \`IDX_9669a09fcc0eb6d2794a658f64\` (\`name\`)`);
+        await queryRunner.query(`ALTER TABLE \`stock_point_areas_area\` ADD CONSTRAINT \`FK_07d2db2150151e2ef341d2f1de1\` FOREIGN KEY (\`stockPointId\`) REFERENCES \`stock_point\`(\`id\`) ON DELETE CASCADE ON UPDATE CASCADE`);
+        await queryRunner.query(`ALTER TABLE \`stock_point_areas_area\` ADD CONSTRAINT \`FK_92707ea81fc19dc707dba24819c\` FOREIGN KEY (\`areaId\`) REFERENCES \`area\`(\`id\`) ON DELETE CASCADE ON UPDATE CASCADE`);
+        await queryRunner.query(`ALTER TABLE \`site_areas_area\` ADD CONSTRAINT \`FK_926a14ac4c91f38792831acd2a6\` FOREIGN KEY (\`siteId\`) REFERENCES \`site\`(\`id\`) ON DELETE CASCADE ON UPDATE CASCADE`);
+        await queryRunner.query(`ALTER TABLE \`site_areas_area\` ADD CONSTRAINT \`FK_7c26c582048e3ecd3cd5938cb9f\` FOREIGN KEY (\`areaId\`) REFERENCES \`area\`(\`id\`) ON DELETE CASCADE ON UPDATE CASCADE`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE \`site_areas_area\` DROP FOREIGN KEY \`FK_7c26c582048e3ecd3cd5938cb9f\``);
+        await queryRunner.query(`ALTER TABLE \`site_areas_area\` DROP FOREIGN KEY \`FK_926a14ac4c91f38792831acd2a6\``);
+        await queryRunner.query(`ALTER TABLE \`stock_point_areas_area\` DROP FOREIGN KEY \`FK_92707ea81fc19dc707dba24819c\``);
+        await queryRunner.query(`ALTER TABLE \`stock_point_areas_area\` DROP FOREIGN KEY \`FK_07d2db2150151e2ef341d2f1de1\``);
+        await queryRunner.query(`ALTER TABLE \`site\` DROP INDEX \`IDX_9669a09fcc0eb6d2794a658f64\``);
+        await queryRunner.query(`ALTER TABLE \`site\` DROP COLUMN \`name\``);
+        await queryRunner.query(`ALTER TABLE \`site\` DROP COLUMN \`token\``);
+        await queryRunner.query(`ALTER TABLE \`product\` DROP COLUMN \`source\``);
+        await queryRunner.query(`ALTER TABLE \`product\` DROP COLUMN \`promotionPrice\``);
+        await queryRunner.query(`ALTER TABLE \`site\` ADD \`siteName\` varchar(255) NOT NULL`);
+        await queryRunner.query(`DROP INDEX \`IDX_7c26c582048e3ecd3cd5938cb9\` ON \`site_areas_area\``);
+        await queryRunner.query(`DROP INDEX \`IDX_926a14ac4c91f38792831acd2a\` ON \`site_areas_area\``);
+        await queryRunner.query(`DROP TABLE \`site_areas_area\``);
+        await queryRunner.query(`DROP INDEX \`IDX_92707ea81fc19dc707dba24819\` ON \`stock_point_areas_area\``);
+        await queryRunner.query(`DROP INDEX \`IDX_07d2db2150151e2ef341d2f1de\` ON \`stock_point_areas_area\``);
+        await queryRunner.query(`DROP TABLE \`stock_point_areas_area\``);
+        await queryRunner.query(`DROP INDEX \`IDX_644ffaf8fbde4db798cb47712f\` ON \`area\``);
+        await queryRunner.query(`DROP TABLE \`area\``);
+        await queryRunner.query(`CREATE UNIQUE INDEX \`IDX_4ca3fbc46d2dbf393ff4ebddbb\` ON \`site\` (\`siteName\`)`);
+    }
+
+}

src/db/seeds/area.seeder.ts

@@ -0,0 +1,26 @@
+
+import { Seeder, SeederFactoryManager } from 'typeorm-extension';
+import { DataSource } from 'typeorm';
+import { Area } from '../../entity/area.entity';
+
+export default class AreaSeeder implements Seeder {
+  public async run(
+    dataSource: DataSource,
+    factoryManager: SeederFactoryManager
+  ): Promise<any> {
+    const repository = dataSource.getRepository(Area);
+
+    const areas = [
+      { name: '加拿大' },
+      { name: '澳大利亚' },
+      { name: '欧洲' },
+    ];
+
+    for (const area of areas) {
+      const existing = await repository.findOne({ where: { name: area.name } });
+      if (!existing) {
+        await repository.insert(area);
+      }
+    }
+  }
+}

src/dto/area.dto.ts

@@ -0,0 +1,32 @@
+
+import { ApiProperty } from '@midwayjs/swagger';
+import { Rule, RuleType } from '@midwayjs/validate';
+
+// 创建区域的数据传输对象
+export class CreateAreaDTO {
+  @ApiProperty({ type: 'string', description: '区域名称', example: '欧洲' })
+  @Rule(RuleType.string().required())
+  name: string;
+}
+
+// 更新区域的数据传输对象
+export class UpdateAreaDTO {
+  @ApiProperty({ type: 'string', description: '区域名称', example: '欧洲' })
+  @Rule(RuleType.string())
+  name?: string;
+}
+
+// 查询区域的数据传输对象
+export class QueryAreaDTO {
+  @ApiProperty({ type: 'number', description: '当前页码', example: 1 })
+  @Rule(RuleType.number().min(1).default(1))
+  currentPage: number;
+
+  @ApiProperty({ type: 'number', description: '每页数量', example: 10 })
+  @Rule(RuleType.number().min(1).max(100).default(10))
+  pageSize: number;
+
+  @ApiProperty({ type: 'string', description: '区域名称', example: '欧洲' })
+  @Rule(RuleType.string())
+  name?: string;
+}

src/dto/product.dto.ts

@@ -61,6 +61,11 @@ export class CreateProductDTO {
   @ApiProperty()
   @Rule(RuleType.string())
   humidity: string;
+
+  // 商品价格
+  @ApiProperty({ description: '价格', example: 99.99, required: false })
+  @Rule(RuleType.number())
+  price?: number;
 }
 
 /**
@@ -132,7 +137,7 @@ export class QueryBrandDTO {
   pageSize: number; // 每页大小
 
   @ApiProperty({ example: 'ZYN', description: '关键字' })
-  @Rule(RuleType.string().required())
+  @Rule(RuleType.string())
   name: string; // 搜索关键字（支持模糊查询）
 }
 

src/entity/area.entity.ts

@@ -0,0 +1,35 @@
+import { ApiProperty } from '@midwayjs/swagger';
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+  UpdateDateColumn,
+} from 'typeorm';
+
+@Entity('area')
+export class Area {
+  @ApiProperty({ type: 'number' })
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @ApiProperty({ type: 'string', description: '区域名称' })
+  @Column({ unique: true })
+  name: string;
+
+  @ApiProperty({
+    example: '2022-12-12 11:11:11',
+    description: '创建时间',
+    required: true,
+  })
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @ApiProperty({
+    example: '2022-12-12 11:11:11',
+    description: '更新时间',
+    required: true,
+  })
+  @UpdateDateColumn()
+  updatedAt: Date;
+}

src/entity/product.entity.ts

@@ -42,12 +42,27 @@ export class Product {
   @Column({ unique: true })
   sku: string;
 
+  // 商品价格
+  @ApiProperty({ description: '价格', example: 99.99 })
+  @Column({ type: 'decimal', precision: 10, scale: 2, default: 0 })
+  price: number;
+  
+  // 促销价格
+  @ApiProperty({ description: '促销价格', example: 99.99 })
+  @Column({ type: 'decimal', precision: 10, scale: 2, default: 0 })
+  promotionPrice: number;
+
   @ManyToMany(() => DictItem, {
     cascade: true,
   })
   @JoinTable()
   attributes: DictItem[];
 
+  // 来源
+  @ApiProperty({ description: '来源', example: '1' })
+  @Column({ default: 0 })
+  source: number;
+
   @ApiProperty({
     example: '2022-12-12 11:11:11',
     description: '创建时间',

src/entity/site.entity.ts

@@ -1,4 +1,5 @@
-import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+import { Column, Entity, JoinTable, ManyToMany, PrimaryGeneratedColumn } from 'typeorm';
+import { Area } from './area.entity';
 
 @Entity('site')
 export class Site {
@@ -14,8 +15,11 @@ export class Site {
   @Column({ length: 255, nullable: true })
   consumerSecret: string;
 
+  @Column({ nullable: true })
+  token: string;
+
   @Column({ length: 255, unique: true })
-  siteName: string;
+  name: string;
 
   @Column({ length: 32, default: 'woocommerce' })
   type: string; // 平台类型：woocommerce | shopyy
@@ -25,4 +29,8 @@ export class Site {
 
   @Column({ default: false })
   isDisabled: boolean;
+
+  @ManyToMany(() => Area)
+  @JoinTable()
+  areas: Area[];
 }

src/entity/stock_point.entity.ts

@@ -8,8 +8,11 @@ import {
   PrimaryGeneratedColumn,
   UpdateDateColumn,
   OneToMany,
+  ManyToMany,
+  JoinTable,
 } from 'typeorm';
 import { Shipment } from './shipment.entity';
+import { Area } from './area.entity';
 
 @Entity('stock_point')
 export class StockPoint extends BaseEntity {
@@ -72,4 +75,8 @@ export class StockPoint extends BaseEntity {
 
   @DeleteDateColumn()
   deletedAt: Date; // 软删除时间
+
+  @ManyToMany(() => Area)
+  @JoinTable()
+  areas: Area[];
 }

src/entity/template.entity.ts

@@ -24,7 +24,14 @@ export class Template {
   @ApiProperty({ nullable: true ,name:"描述"})
   @Column('text',{nullable: true,comment: "描述"})
   description?: string;
-
+  
+  @ApiProperty({
+    example: true,
+    description: '是否可删除',
+    required: true,
+  })
+  @Column({ default: true })
+  deletable: boolean;
   @ApiProperty({
     example: '2022-12-12 11:11:11',
     description: '创建时间',

src/entity/wp_product.entity.ts

@@ -39,7 +39,7 @@ export class WpProduct {
   @Column()
   externalProductId: string;
 
-  @ApiProperty({ description: 'sku', type: 'string' })
+  @ApiProperty({ description: '商店sku', type: 'string' })
   @Column({ nullable: true })
   sku?: string;
 

src/service/area.service.ts

@@ -0,0 +1,90 @@
+
+import { Provide } from '@midwayjs/core';
+import { InjectEntityModel } from '@midwayjs/typeorm';
+import { Repository } from 'typeorm';
+import { Area } from '../entity/area.entity';
+import { CreateAreaDTO, QueryAreaDTO, UpdateAreaDTO } from '../dto/area.dto';
+
+@Provide()
+export class AreaService {
+  @InjectEntityModel(Area)
+  areaModel: Repository<Area>;
+
+  /**
+   * 创建区域
+   * @param params 创建参数
+   */
+  async createArea(params: CreateAreaDTO) {
+    // 检查区域名称是否已存在
+    const existing = await this.areaModel.findOne({ where: { name: params.name } });
+    if (existing) {
+      throw new Error('区域名称已存在');
+    }
+    const area = new Area();
+    area.name = params.name;
+    return await this.areaModel.save(area);
+  }
+
+  /**
+   * 更新区域
+   * @param id 区域ID
+   * @param params 更新参数
+   */
+  async updateArea(id: number, params: UpdateAreaDTO) {
+    const area = await this.areaModel.findOneBy({ id });
+    if (!area) {
+      throw new Error('区域不存在');
+    }
+    if (params.name) {
+      // 检查新的区域名称是否已存在
+      const existing = await this.areaModel.findOne({ where: { name: params.name } });
+      if (existing && existing.id !== id) {
+        throw new Error('区域名称已存在');
+      }
+      area.name = params.name;
+    }
+    return await this.areaModel.save(area);
+  }
+
+  /**
+   * 删除区域
+   * @param id 区域ID
+   */
+  async deleteArea(id: number) {
+    const result = await this.areaModel.delete(id);
+    return result.affected > 0;
+  }
+
+  /**
+   * 获取区域列表（分页）
+   * @param query 查询参数
+   */
+  async getAreaList(query: QueryAreaDTO) {
+    const { currentPage, pageSize, name } = query;
+    const [list, total] = await this.areaModel.findAndCount({
+      where: name ? { name } : {},
+      skip: (currentPage - 1) * pageSize,
+      take: pageSize,
+      order: {
+        id: 'DESC',
+      },
+    });
+
+    return { list, total };
+  }
+
+  /**
+   * 获取所有区域
+   */
+  async getAllAreas() {
+    return await this.areaModel.find();
+  }
+
+  /**
+   * 根据ID获取区域详情
+   * @param id 区域ID
+   */
+  async getAreaById(id: number) {
+    return await this.areaModel.findOneBy({ id });
+  }
+}

src/service/order.service.ts

@@ -1350,7 +1350,7 @@ export class OrderService {
 
     return {
       ...order,
-      siteName: site?.siteName,
+      siteName: site?.name,
       // Site 实体无邮箱字段，这里返回空字符串保持兼容
       email: '',
       items,

src/service/site.service.ts

@@ -15,10 +15,10 @@ export class SiteService {
     // 将配置中的 WpSite 同步到数据库 Site 表（用于一次性导入或初始化）
     for (const siteConfig of sites) {
       // 按站点名称查询是否已存在记录
-      const exist = await this.siteModel.findOne({ where: { siteName: siteConfig.siteName } });
+      const exist = await this.siteModel.findOne({ where: { name: siteConfig.siteName } });
       // 将 WpSite 字段映射为 Site 实体字段
       const payload: Partial<Site> = {
-        siteName: siteConfig.siteName,
+        name: siteConfig.siteName,
         apiUrl: (siteConfig as any).wpApiUrl,
         consumerKey: (siteConfig as any).consumerKey,
         consumerSecret: (siteConfig as any).consumerSecret,

src/service/template.service.ts

@@ -17,9 +17,14 @@ export class TemplateService {
    * 获取所有模板的列表
    * @returns {Promise<Template[]>} 模板实体数组
    */
-  async getTemplateList(): Promise<Template[]> {
-    // 使用 find 方法查询所有模板
-    return this.templateModel.find();
+  async getTemplateList(params: { currentPage?: number, pageSize?: number } = {}): Promise<{ items: Template[], total: number }> {
+    const { currentPage = 1, pageSize = 10 } = params;
+    // 使用 findAndCount 方法查询所有模板
+    const [items, total] = await this.templateModel.findAndCount({
+      skip: (currentPage - 1) * pageSize,
+      take: pageSize,
+    });
+    return { items, total };
   }
 
   /**
@@ -76,6 +81,16 @@ export class TemplateService {
    * @returns {Promise<boolean>} 如果删除成功则返回 true，否则返回 false
    */
   async deleteTemplate(id: number): Promise<boolean> {
+    // 首先根据 ID 查找模板
+    const template = await this.templateModel.findOneBy({ id });
+    // 如果模板不存在，则抛出错误
+    if (!template) {
+      throw new Error(`模板 ID ${id} 不存在`);
+    }
+    // 如果模板不可删除，则抛出错误
+    if (!template.deletable) {
+      throw new Error(`模板 ${template.name} 不可删除`);
+    }
     // 执行删除操作
     const result = await this.templateModel.delete(id);
     // 如果影响的行数大于 0，则表示删除成功