attribute

src/modules/product/controllers/product.controller.ts

@@ -21,6 +21,9 @@ import { CreateCategoryDto } from '../dto/create-category.dto';
 import { CategoryService } from '../providers/category.service';
 import { FindCategoriesDto } from '../dto/find-categories.dto';
 import { UpdateCategoryDto } from '../dto/update-category.dto';
+import { AttributeService } from '../providers/attribute.service';
+import { CreateAttributeDto } from '../dto/create-attribute.dto';
+import { UpdateAttributeDto } from '../dto/update-attribute.dto';
 
 @ApiTags('products')
 @Controller()
@@ -28,6 +31,7 @@ export class productController {
   constructor(
     private readonly productService: ProductService,
     private readonly categoryService: CategoryService,
+    private readonly attributeService: AttributeService,
   ) { }
 
 
@@ -159,4 +163,57 @@ export class productController {
   removeCategory(@Param('id') id: string,) {
     return this.categoryService.remove(+id);
   }
+
+  /*------------------------------ Attibute ------------------------*/
+  @Post('admin/product/:id/attribute')
+  // @UseGuards(AdminAuthGuard)
+  @ApiBearerAuth()
+  @Permissions(Permission.MANAGE_productS)
+  @ApiOperation({ summary: 'Create a new category' })
+  @ApiParam({ name: 'id', required: true })
+  @ApiBody({ type: CreateAttributeDto })
+  createAttribute(@Param('id') id: string, @Body() dto: CreateAttributeDto) {
+    return this.attributeService.create(+id, dto);
+  }
+
+  @Get('admin/products/:id/attributes')
+  // @UseGuards(AdminAuthGuard)
+  @ApiBearerAuth()
+  @Permissions(Permission.MANAGE_productS)
+  @ApiParam({ name: 'id', required: true })
+  @ApiOperation({ summary: 'Get  list of product attributes' })
+  async findProductAttributes(@Param('id') id: string) {
+    return this.attributeService.findAll(+id);
+  }
+
+  @Get('admin/products/attributes/:id')
+  // @UseGuards(AdminAuthGuard)
+  @ApiBearerAuth()
+  @Permissions(Permission.MANAGE_productS)
+  @ApiOperation({ summary: 'Get a category by id' })
+  @ApiParam({ name: 'id', required: true })
+  findAttributeById(@Param('id') id: string) {
+    return this.attributeService.findById(+id);
+  }
+
+  @Patch('admin/products/attributes/:id')
+  // @UseGuards(AdminAuthGuard)
+  @ApiBearerAuth()
+  @Permissions(Permission.MANAGE_productS)
+  @ApiOperation({ summary: 'Update a attribute' })
+  @ApiParam({ name: 'id', required: true })
+  @ApiBody({ type: UpdateAttributeDto })
+  updateProductAttribute(@Param('id') id: string, @Body() dto: UpdateAttributeDto) {
+    return this.attributeService.update(+id, dto);
+  }
+
+  @Delete('admin/products/attributes/:id')
+  // @UseGuards(AdminAuthGuard)
+  @ApiBearerAuth()
+  @Permissions(Permission.MANAGE_productS)
+  @ApiOperation({ summary: 'Delete (soft) a attribute' })
+  @ApiParam({ name: 'id', required: true })
+  removeAttribute(@Param('id') id: string,) {
+    return this.attributeService.remove(+id);
+  }
 }

src/modules/product/dto/create-attribute.dto.ts

@@ -0,0 +1,32 @@
+import { IsString, IsOptional, IsBoolean, IsInt, Min, IsEnum } from 'class-validator';
+import { ApiPropertyOptional, ApiProperty } from '@nestjs/swagger';
+import { Type } from 'class-transformer';
+import { AttributeType } from '../interface/product.interface';
+
+export class CreateAttributeDto {
+  @IsString()
+  @ApiProperty({ example: 'نوع روکش' })
+  name: string;
+
+  @IsOptional()
+  @IsInt()
+  @ApiPropertyOptional()
+  parentId?: number;
+
+
+  @IsBoolean()
+  @Type(() => Boolean)
+  @ApiPropertyOptional({ example: true })
+  isRequired: boolean;
+
+  @IsEnum(() => AttributeType)
+  @ApiProperty()
+  type: AttributeType;
+
+  @IsOptional()
+  @IsInt()
+  @Min(0)
+  @Type(() => Number)
+  @ApiPropertyOptional({ example: 1 })
+  order?: number;
+}

src/modules/product/dto/update-attribute.dto.ts

@@ -0,0 +1,5 @@
+import { PartialType } from '@nestjs/swagger';
+import { CreateAttributeDto } from './create-attribute.dto';
+
+export class UpdateAttributeDto extends PartialType(CreateAttributeDto) {
+}

src/modules/product/entities/attribute.entity.ts

@@ -1,4 +1,4 @@
-import { Entity, Enum, ManyToOne, Property } from '@mikro-orm/core';
+import { Entity, Enum, ManyToOne, OneToMany, Property } from '@mikro-orm/core';
 import { BaseEntity } from '../../../common/entities/base.entity';
 import { AttributeType } from '../interface/product.interface';
 import { Product } from './product.entity';
@@ -8,6 +8,12 @@ export class Attribute extends BaseEntity {
     @ManyToOne(()=>Product)
     product: Product
 
+    @ManyToOne(() => Attribute, { nullable: true })
+    parent?: Attribute | null
+  
+    @OneToMany(() => Attribute, (c) => c.parent)
+    children?: Attribute[]
+
     @Property({ primary: true })
     id: bigint;
 
@@ -20,4 +26,7 @@ export class Attribute extends BaseEntity {
     @Property({ type: 'boolean', default: false })
     isRequired: boolean = false;
 
+    @Property({ type: 'int', nullable: true })
+    order?: number;
+
 }

src/modules/product/entities/product.entity.ts

@@ -1,4 +1,4 @@
-import { Collection, Entity, ManyToOne, OneToMany, Property } from '@mikro-orm/core';
+import { Collection, Entity, ManyToOne, OneToMany, PrimaryKey, Property } from '@mikro-orm/core';
 import { BaseEntity } from '../../../common/entities/base.entity';
 import { Category } from './category.entity';
 import { Attribute } from './attribute.entity';
@@ -6,7 +6,7 @@ import { Attribute } from './attribute.entity';
 
 @Entity({ tableName: 'products' })
 export class Product extends BaseEntity {
-  @Property({ primary: true })
+  @PrimaryKey({ type: 'bigint', columnType: 'char(26)', autoincrement: true })
   id: bigint
 
   @ManyToOne(() => Category)

src/modules/product/product.module.ts

@@ -12,6 +12,8 @@ import { JwtModule } from '@nestjs/jwt';
 import { UtilsModule } from '../util/utils.module';
 import { CategoryRepository } from './repositories/category.repository';
 import { CategoryService } from './providers/category.service';
+import { AttributeRepository } from './repositories/attribute.repository';
+import { AttributeService } from './providers/attribute.service';
 
 @Module({
   imports: [
@@ -21,7 +23,11 @@ import { CategoryService } from './providers/category.service';
     UtilsModule,
   ],
   controllers: [productController,],
-  providers: [ProductService, ProductRepository, CategoryRepository, CategoryService],
-  exports: [ProductRepository, CategoryRepository, CategoryService],
+  providers: [ProductService, ProductRepository,
+    CategoryRepository, CategoryService,
+    AttributeRepository, AttributeService],
+  exports: [ProductRepository, CategoryRepository,
+    CategoryService, AttributeRepository,
+    AttributeService],
 })
 export class productModule { }

src/modules/product/providers/attribute.service.ts

@@ -0,0 +1,101 @@
+import { BadGatewayException, Injectable, NotFoundException } from '@nestjs/common';
+import { EntityManager } from '@mikro-orm/postgresql';
+import { RequiredEntityData } from '@mikro-orm/core';
+import { AttributeRepository } from '../repositories/attribute.repository';
+import { CreateAttributeDto } from '../dto/create-attribute.dto';
+import { Attribute } from '../entities/attribute.entity';
+import { ProductRepository } from '../repositories/product.repository';
+import { UpdateAttributeDto } from '../dto/update-attribute.dto';
+
+@Injectable()
+export class AttributeService {
+
+  constructor(
+    private readonly attributeRepository: AttributeRepository,
+    private readonly productRepository: ProductRepository,
+    private readonly em: EntityManager,
+  ) { }
+
+  async create(productId: number, dto: CreateAttributeDto) {
+    let parent: null | Attribute = null
+
+    const product = await this.productRepository.findOne({ id: productId })
+    if (!product) {
+      throw new BadGatewayException('Product not found')
+    }
+
+    if (dto.parentId) {
+      parent = await this.attributeRepository.findOne({ id: dto.parentId })
+      if (!parent) {
+        throw new BadGatewayException('Parent attribute not found')
+      }
+    }
+
+    const data: RequiredEntityData<Attribute> = {
+      product,
+      name: dto.name,
+      isRequired: dto.isRequired,
+      order: dto.order,
+      type: dto.type,
+      parent
+    };
+
+    const category = this.attributeRepository.create(data)
+
+    await this.em.persistAndFlush(category)
+
+    return category
+
+  }
+
+  async update(attributeId: number, dto: UpdateAttributeDto) {
+
+    const attribute = await this.attributeRepository.findOne({ id: attributeId })
+
+    if (!attribute) {
+      throw new NotFoundException('Attribute not found');
+    }
+
+    if (dto.parentId) {
+      const parent = await this.attributeRepository.findOne({ id: dto.parentId })
+      if (!parent) {
+        throw new NotFoundException('parent attribute not found');
+      }
+
+      this.attributeRepository.assign(attribute, { parent })
+    }
+
+    this.attributeRepository.assign(attribute, dto)
+
+    this.em.persistAndFlush(attribute)
+
+    return attribute
+
+  }
+
+  findAll(productId: number) {
+    return this.attributeRepository.find({ product: { id: productId } });
+  }
+
+  async findById(attributeId: number): Promise<Attribute> {
+    const attribute = await this.attributeRepository.findOne({ id: attributeId },
+      { populate: ['children', 'product'] });
+
+    if (!attribute) throw new NotFoundException('Attribute not found');
+    return attribute;
+  }
+
+  async remove(id: number): Promise<void> {
+    const attribute = await this.findById(id);
+    if (!attribute) {
+      throw new NotFoundException('attribute not found');
+    }
+    if (attribute.children && attribute.children.length > 0) {
+      throw new NotFoundException('attribute has children');
+    }
+    attribute.deletedAt = new Date();
+    return await this.em.persistAndFlush(attribute);
+
+  }
+
+}

src/modules/product/repositories/attribute.repository.ts

@@ -0,0 +1,11 @@
+import { Injectable } from '@nestjs/common';
+import { EntityManager, EntityRepository } from '@mikro-orm/postgresql';
+import { Attribute } from '../entities/attribute.entity';
+
+
+@Injectable()
+export class AttributeRepository extends EntityRepository<Attribute> {
+  constructor(readonly em: EntityManager) {
+    super(em, Attribute);
+  }
+}