Best Practice Writing Model Schema Using Typeorm

import {
  Column,
  Entity,
  PrimaryGeneratedColumn,
  CreateDateColumn,
  DeleteDateColumn,
  UpdateDateColumn,
  BeforeInsert,
  BeforeUpdate,
  JoinColumn,
  ManyToOne
} from 'typeorm'

import { IUsers } from '@interfaces/interface.users'
import { Roles } from '@models/model.roles'
import { Bcrypt } from '@libs/lib.bcrypt'

/**
* old style writing model schema using typeorm by default, if you check documentation
**/

@Entity()
export class Users implements IUsers {
  @PrimaryGeneratedColumn({ type: 'integer', unsigned: true })
  id!: number

  @Column({ type: 'varchar', nullable: false })
  name!: string

  @Column({ type: 'varchar', unique: true, nullable: false })
  email!: string

  @Column({ type: 'varchar', unique: true, unsigned: true, nullable: false })
  phone!: string

  @Column({ type: 'varchar', nullable: false })
  password!: string

  @CreateDateColumn({ name: 'created_at', type: 'timestamp', default: new Date() })
  createdAt?: Date

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamp', default: new Date() })
  updatedAt?: Date

  @DeleteDateColumn({ name: 'deleted_at', type: 'timestamp', nullable: true })
  deletedAt?: Date

  @BeforeInsert()
  protected beforeInserthashPassword() {
    this.password = Bcrypt.hashPassword(this.password)
  }

  @BeforeUpdate()
  protected beforeUpdateHashPassword() {
    this.password = Bcrypt.hashPassword(this.password)
  }

  @ManyToOne(() => Roles, (relation) => relation.users, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'role_id' })
  role: Roles
}

/**
* my style writing model schema using typeorm, easy to maintance and easy to read
**/

class DatabaseRelations {
  @ManyToOne(() => Roles, (relation) => relation.users, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'role_id' })
  role: Roles
}

class DatabaseSchema extends DatabaseRelations {
  @PrimaryGeneratedColumn({ type: 'integer', unsigned: true })
  id!: number

  @Column({ type: 'varchar', nullable: false })
  name!: string

  @Column({ type: 'varchar', unique: true, nullable: false })
  email!: string

  @Column({ type: 'varchar', unique: true, unsigned: true, nullable: false })
  phone!: string

  @Column({ type: 'varchar', nullable: false })
  password!: string

  @CreateDateColumn({ name: 'created_at', type: 'timestamp', default: new Date() })
  createdAt?: Date

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamp', default: new Date() })
  updatedAt?: Date

  @DeleteDateColumn({ name: 'deleted_at', type: 'timestamp', nullable: true })
  deletedAt?: Date
}

class DatabaseHooks extends DatabaseSchema {
  @BeforeInsert()
  protected beforeInserthashPassword() {
    this.password = Bcrypt.hashPassword(this.password)
  }

  @BeforeUpdate()
  protected beforeUpdateHashPassword() {
    this.password = Bcrypt.hashPassword(this.password)
  }
}

@Entity()
export class Users extends DatabaseHooks implements IUsers {}