[Implement][Category] View categories and create category API

src/category/category.module.ts

@@ -4,10 +4,11 @@ import { CategoryService } from '@category/services/category.service'
 import { CategoryRepository } from '@category/repositories/category.repository'
 import { MongooseModule } from '@nestjs/mongoose'
 import { Category, CategorySchema } from '@category/schemas/category.schema'
+import { CategoryCustomerController } from '@category/controllers/customer.controller'
 
 @Module({
   imports: [MongooseModule.forFeature([{ name: Category.name, schema: CategorySchema }])],
-  controllers: [CategoryProviderController],
+  controllers: [CategoryProviderController, CategoryCustomerController],
   providers: [CategoryService, CategoryRepository],
   exports: [CategoryRepository]
 })

src/category/controllers/customer.controller.ts

@@ -0,0 +1,20 @@
+import { Controller, Get } from '@nestjs/common'
+import { ApiOkResponse, ApiQuery, ApiTags } from '@nestjs/swagger'
+import { PaginateResponse } from '@common/contracts/openapi-builder'
+import { PaginationQuery } from '@src/common/contracts/dto'
+import { CategoryService } from '@category/services/category.service'
+import { Pagination, PaginationParams } from '@src/common/decorators/pagination.decorator'
+import { PublicCategory } from '@category/dto/category.dto'
+
+@ApiTags('Category - Customer')
+@Controller('customer')
+export class CategoryCustomerController {
+  constructor(private readonly categoryService: CategoryService) {}
+
+  @Get()
+  @ApiOkResponse({ type: PaginateResponse(PublicCategory) })
+  @ApiQuery({ type: PaginationQuery })
+  async getAllCategories(@Pagination() paginationParams: PaginationParams) {
+    return await this.categoryService.getAllPublicCategories(paginationParams)
+  }
+}

src/category/controllers/provider.controller.ts

@@ -1,5 +1,5 @@
-import { Controller, Get, UseGuards } from '@nestjs/common'
-import { ApiBearerAuth, ApiOkResponse, ApiQuery, ApiTags } from '@nestjs/swagger'
+import { Body, Controller, Get, Post, UseGuards } from '@nestjs/common'
+import { ApiBearerAuth, ApiCreatedResponse, ApiOkResponse, ApiQuery, ApiTags } from '@nestjs/swagger'
 import { JwtAuthGuard } from '@auth/guards/jwt-auth.guard'
 import { RolesGuard } from '@auth/guards/roles.guard'
 import { UserRole } from '@common/contracts/constant'
@@ -9,6 +9,7 @@ import { PaginateResponse } from '@common/contracts/openapi-builder'
 import { PaginationQuery } from '@src/common/contracts/dto'
 import { CategoryService } from '@category/services/category.service'
 import { Pagination, PaginationParams } from '@src/common/decorators/pagination.decorator'
+import { CreateCategoryDto } from '@category/dto/category.dto'
 
 @ApiTags('Category - Provider')
 @ApiBearerAuth()
@@ -24,4 +25,10 @@ export class CategoryProviderController {
   async getAllCategories(@Pagination() paginationParams: PaginationParams) {
     return await this.categoryService.getAllCategories(paginationParams)
   }
+
+  @Post()
+  @ApiCreatedResponse({ type: Category })
+  async createCategory(@Body() createCategoryDto: CreateCategoryDto) {
+    return await this.categoryService.createCategory(createCategoryDto)
+  }
 }

src/category/dto/category.dto.ts

@@ -0,0 +1,32 @@
+import { ApiProperty } from '@nestjs/swagger'
+import { IsNotEmpty, IsUrl, MaxLength } from 'class-validator'
+
+export class PublicCategory {
+  @ApiProperty()
+  _id: string
+
+  @ApiProperty()
+  name: string
+
+  @ApiProperty()
+  description: string
+
+  @ApiProperty()
+  image: string
+}
+
+export class CreateCategoryDto {
+    @ApiProperty()
+    @IsNotEmpty()
+    @MaxLength(30)
+    name: string
+
+    @ApiProperty()
+    @MaxLength(100)
+    description: string
+
+    @ApiProperty()
+    @IsNotEmpty()
+    @IsUrl()
+    image: string
+}

src/category/services/category.service.ts

@@ -1,7 +1,9 @@
-import { Injectable } from '@nestjs/common'
+import { BadRequestException, Injectable } from '@nestjs/common'
 import { CategoryRepository } from '@category/repositories/category.repository'
 import { PaginationParams } from '@common/decorators/pagination.decorator'
 import { Status } from '@common/contracts/constant'
+import { CreateCategoryDto } from '@category/dto/category.dto'
+import { Errors } from '@common/contracts/error'
 
 @Injectable()
 export class CategoryService {
@@ -17,4 +19,28 @@ export class CategoryService {
       paginationParams
     )
   }
+
+  async getAllPublicCategories(paginationParams: PaginationParams) {
+    return await this.categoryRepository.paginate(
+      {
+        status: Status.ACTIVE
+      },
+      { ...paginationParams, projection: { status: 0 } }
+    )
+  }
+
+  async createCategory(createCategoryDto: CreateCategoryDto) {
+    let category = await this.categoryRepository.findOne({
+      conditions: {
+        name: createCategoryDto.name,
+        status: { $ne: Status.DELETED }
+      }
+    })
+
+    if (category) {
+      throw new BadRequestException(Errors.CATEGORY_ALREADY_EXIST)
+    }
+
+    return await this.categoryRepository.create(createCategoryDto)
+  }
 }

src/common/contracts/error.ts

@@ -20,5 +20,10 @@ export const Errors: Record<string, ErrorResponse> = {
     error: 'NOT_ENOUGH_QUANTITY_IN_STOCK',
     message: 'Không đủ số lượng trong kho.',
     httpStatus: HttpStatus.BAD_REQUEST
+  },
+  CATEGORY_ALREADY_EXIST: {
+    error: 'CATEGORY_ALREADY_EXIST',
+    message: 'Danh mục đã tồn tại',
+    httpStatus: HttpStatus.BAD_REQUEST
   }
 }

src/product/schemas/product.schema.ts

@@ -124,7 +124,7 @@ export class Product {
   })
   variants: Variant[]
 
-  @ApiProperty({ type: Types.ObjectId, isArray: true })
+  @ApiProperty({ type: String, isArray: true })
   @Prop({
     type: [{ type: Types.ObjectId, ref: 'Category' }]
   })