localhost_oa_based/src/modules/product/product.entity.ts

import { ApiHideProperty, ApiProperty } from '@nestjs/swagger';
import {
  BeforeInsert,
  BeforeUpdate,
  Column,
  Entity,
  JoinColumn,
  JoinTable,
  ManyToMany,
  ManyToOne,
  Relation
} from 'typeorm';
import { CommonEntity } from '~/common/entity/common.entity';
import { Storage } from '../tools/storage/storage.entity';
import { CompanyEntity } from '../company/company.entity';
import pinyin from 'pinyin';
import { DictItemEntity } from '../system/dict-item/dict-item.entity';
@Entity({ name: 'product' })
export class ProductEntity extends CommonEntity {

  @Column({
    name: 'product_number',
    type: 'varchar',
    length: 255,
    comment: '产品编号'
  })
  @ApiProperty({ description: '产品编号' })
  productNumber: string;

  @Column({
    name: 'name',
    type: 'varchar',
    length: 255,
    comment: '产品名称'
  })
  @ApiProperty({ description: '产品名称' })
  name: string;
  
  @Column({
    name: 'product_specification',
    type: 'varchar',
    nullable: true,
    length: 255,
    comment: '产品规格'
  })
  @ApiProperty({ description: '产品规格', nullable: true })
  productSpecification?: string;
  @Column({
    name: 'remark',
    type: 'varchar',
    length: 255,
    nullable: true,
    comment: '备注'
  })
  @ApiProperty({ description: '产品备注' })
  remark: string;

  @Column({ name: 'is_delete', type: 'tinyint', default: 0, comment: '是否删除' })
  @ApiProperty({ description: '删除状态：0未删除，1已删除' })
  isDelete: number;

  @Column({ name: 'company_id', type: 'int', comment: '所属公司', nullable: true })
  @ApiProperty({ description: '所属公司' })
  companyId: number;

  @Column({ name: 'unit_id', type: 'int', comment: '单位(字典)', nullable: true })
  @ApiProperty({ description: '单位(字典)' })
  unitId: number;

  @ManyToOne(() => DictItemEntity)
  @JoinColumn({ name: 'unit_id' })
  unit: DictItemEntity;

  @ApiHideProperty()
  @Column({
    name: 'name_pinyin',
    type: 'varchar',
    length: 255,
    nullable: true,
    comment: '产品名称的拼音'
  })
  namePinyin: string;

  @BeforeInsert()
  @BeforeUpdate()
  updateNamePinyin() {
    this.namePinyin = pinyin(this.name, {
      style: pinyin.STYLE_NORMAL,
      heteronym: false
    }).join('');
  }

  @ManyToOne(() => CompanyEntity /* , { onDelete: 'CASCADE' } */)
  @JoinColumn({ name: 'company_id' })
  company: CompanyEntity;

  @ManyToMany(() => Storage, storage => storage.products)
  @JoinTable({
    name: 'product_storage',
    joinColumn: { name: 'product_id', referencedColumnName: 'id' },
    inverseJoinColumn: { name: 'file_id', referencedColumnName: 'id' }
  })
  files: Relation<Storage[]>;
}