backend/src/entities/user.entity.ts

import {
  Entity,
  Column,
  PrimaryGeneratedColumn,
  CreateDateColumn,
  UpdateDateColumn,
  OneToMany,
} from 'typeorm';
import { Order } from './order.entity';
import { UserCourse } from './user-course.entity';
import { Comment } from './comment.entity';

export enum UserRole {
  USER = 'user',
  ADMIN = 'admin',
}

@Entity('users')
export class User {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ type: 'varchar', length: 100, unique: true })
  email: string;

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

  @Column({ type: 'varchar', length: 50 })
  nickname: string;

  @Column({ type: 'varchar', length: 255, nullable: true })
  avatar: string;

  @Column({ type: 'boolean', default: false, name: 'is_vip' })
  isVip: boolean;

  @Column({ type: 'varchar', default: UserRole.USER })
  role: UserRole;

  @CreateDateColumn({ name: 'created_at' })
  createdAt: Date;

  @UpdateDateColumn({ name: 'updated_at' })
  updatedAt: Date;

  @OneToMany(() => Order, (order) => order.user)
  orders: Order[];

  @OneToMany(() => UserCourse, (userCourse) => userCourse.user)
  userCourses: UserCourse[];

  @OneToMany(() => Comment, (comment) => comment.user)
  comments: Comment[];
}