up

src/modules/request/dto/create-request.dto.ts

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+export class CreateRequestDto {}

src/modules/request/dto/update-request.dto.ts

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+import { PartialType } from '@nestjs/swagger';
+import { CreateRequestDto } from './create-request.dto';
+
+export class UpdateRequestDto extends PartialType(CreateRequestDto) {}

src/modules/request/entities/request-item.entity.ts

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+import { Entity, ManyToOne, OptionalProps, Property } from '@mikro-orm/core';
+import { Product } from 'src/modules/product/entities/product.entity';
+import { BaseEntity } from 'src/common/entities/base.entity';
+import { Request } from './request.entity';
+import { IAttachment } from '../interface/request.interface';
+
+
+@Entity({ tableName: 'request_items' })
+export class RequestItem extends BaseEntity {
+  [OptionalProps]?: 'createdAt' | 'deletedAt';
+
+  @ManyToOne(() => Product)
+  product!: Product;
+
+  @ManyToOne(() => Request)
+  request!: Request;
+
+
+  @Property({ type: 'int' })
+  quantity!: number;
+
+  @Property({ type: 'text', nullable: true })
+  description?: string;
+
+  @Property({ type: 'json', nullable: true })
+  attachments?: IAttachment[] // user attachments like voice and photos
+
+}

src/modules/request/entities/request.entity.ts

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+import {
+  Entity,
+  Index,
+  ManyToOne,
+  OneToMany,
+  Property,
+  Collection,
+  Cascade,
+  Enum,
+  PrimaryKey,
+  OptionalProps,
+} from '@mikro-orm/core';
+import { User } from '../../user/entities/user.entity';
+import { ulid } from 'ulid';
+import { BaseEntity } from 'src/common/entities/base.entity';
+import { RequestItem } from './request-item.entity';
+import { RequestStatusEnum } from '../enum/request';
+
+@Entity({ tableName: 'requests' })
+@Index({ properties: ['user'] })
+export class Request extends BaseEntity {
+  [OptionalProps]?: 'createdAt' | 'deletedAt'
+
+  @PrimaryKey({ type: 'string', columnType: 'char(26)' })
+  id: string = ulid()
+
+
+  @ManyToOne(() => User)
+  user!: User;
+
+
+  @OneToMany(() => RequestItem, item => item.request, {
+    cascade: [Cascade.ALL],
+    orphanRemoval: true,
+  })
+  items = new Collection<RequestItem>(this);
+
+
+  @Property({
+    type: 'int',
+    autoincrement: true
+  })
+  requestNumber: number;
+
+
+  @Enum(() => RequestStatusEnum)
+  status: RequestStatusEnum = RequestStatusEnum.PENDING;
+
+}

src/modules/request/enum/request.ts

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+
+export enum RequestStatusEnum{
+    PENDING = 'pending',
+    INVOICED = 'invoiced',
+}

src/modules/request/interface/request.interface.ts

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+export interface IAttachment { type: string, url: string }

src/modules/request/request.controller.ts

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+import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import { RequestService } from './request.service';
+import { CreateRequestDto } from './dto/create-request.dto';
+import { UpdateRequestDto } from './dto/update-request.dto';
+
+@Controller('request')
+export class RequestController {
+  constructor(private readonly requestService: RequestService) {}
+
+  @Post()
+  create(@Body() createRequestDto: CreateRequestDto) {
+    return this.requestService.create(createRequestDto);
+  }
+
+  @Get()
+  findAll() {
+    return this.requestService.findAll();
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.requestService.findOne(+id);
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() updateRequestDto: UpdateRequestDto) {
+    return this.requestService.update(+id, updateRequestDto);
+  }
+
+  @Delete(':id')
+  remove(@Param('id') id: string) {
+    return this.requestService.remove(+id);
+  }
+}

src/modules/request/request.module.ts

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+import { Module } from '@nestjs/common';
+import { RequestService } from './request.service';
+import { RequestController } from './request.controller';
+
+@Module({
+  controllers: [RequestController],
+  providers: [RequestService],
+})
+export class RequestModule {}

src/modules/request/request.service.ts

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+import { Injectable } from '@nestjs/common';
+import { CreateRequestDto } from './dto/create-request.dto';
+import { UpdateRequestDto } from './dto/update-request.dto';
+
+@Injectable()
+export class RequestService {
+  create(createRequestDto: CreateRequestDto) {
+    return 'This action adds a new request';
+  }
+
+  findAll() {
+    return `This action returns all request`;
+  }
+
+  findOne(id: number) {
+    return `This action returns a #${id} request`;
+  }
+
+  update(id: number, updateRequestDto: UpdateRequestDto) {
+    return `This action updates a #${id} request`;
+  }
+
+  remove(id: number) {
+    return `This action removes a #${id} request`;
+  }
+}