import {
  Entity, PrimaryGeneratedColumn, Column, CreateDateColumn,
  ManyToOne, JoinColumn,
} from 'typeorm';
import { Student } from './student.entity';

@Entity('student_ding_mapping')
export class StudentDingMapping {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ name: 'ding_user_id', length: 100, unique: true })
  dingUserId: string;

  @Column({ name: 'student_id', type: 'integer', unique: true })
  studentId: number;

  @ManyToOne(() => Student, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'student_id' })
  student: Student;

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