zod-backend/src/gift/entities/gift.entity.ts

import {
  Column,
  CreateDateColumn,
  Entity,
  JoinColumn,
  ManyToOne,
  OneToMany,
  OneToOne,
  PrimaryGeneratedColumn,
  UpdateDateColumn,
} from 'typeorm';
import { Document } from '~/document/entities';
import { Guardian } from '~/guardian/entities/guradian.entity';
import { Junior } from '~/junior/entities';
import { GiftColor, GiftStatus } from '../enums';
import { GiftRedemption } from './gift-redemption.entity';
import { GiftReply } from './gift-reply.entity';

@Entity('gift')
export class Gift {
  @PrimaryGeneratedColumn('uuid')
  id!: string;

  @Column({ type: 'varchar', length: 255, name: 'name' })
  name!: string;

  @Column({ type: 'text', name: 'description' })
  description!: string;

  @Column({ type: 'varchar', name: 'color' })
  color!: GiftColor;

  @Column({
    type: 'decimal',
    name: 'amount',
    precision: 10,
    scale: 3,
    transformer: {
      to: (value: number) => value,
      from: (value: string) => parseFloat(value),
    },
  })
  amount!: number;

  @Column({ type: 'varchar', name: 'status', default: GiftStatus.AVAILABLE })
  status!: GiftStatus;

  @Column({ type: 'timestamp with time zone', name: 'redeemed_at', nullable: true })
  redeemedAt!: Date | null;

  @Column({ type: 'uuid', name: 'giver_id' })
  giverId!: string;

  @Column({ type: 'uuid', name: 'image_id' })
  imageId!: string;

  @Column({ type: 'uuid', name: 'recipient_id' })
  recipientId!: string;

  @ManyToOne(() => Guardian, (guardian) => guardian.gifts)
  @JoinColumn({ name: 'giver_id' })
  giver!: Guardian;

  @ManyToOne(() => Junior, (junior) => junior.gifts)
  @JoinColumn({ name: 'recipient_id' })
  recipient!: Junior;

  @ManyToOne(() => Document, (document) => document.gifts)
  @JoinColumn({ name: 'image_id' })
  image!: Document;

  @OneToMany(() => GiftRedemption, (giftRedemption) => giftRedemption.gift, { cascade: true })
  redemptions!: GiftRedemption[];

  @OneToOne(() => GiftReply, (giftReply) => giftReply.gift, { cascade: true })
  reply?: GiftReply;

  @CreateDateColumn({ name: 'created_at', type: 'timestamp with time zone', default: () => 'CURRENT_TIMESTAMP' })
  createdAt!: Date;

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamp with time zone', default: () => 'CURRENT_TIMESTAMP' })
  updatedAt!: Date;
}