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

import {
  BaseEntity,
  Column,
  CreateDateColumn,
  Entity,
  Generated,
  JoinColumn,
  OneToMany,
  OneToOne,
  PrimaryColumn,
  UpdateDateColumn,
} from 'typeorm';
import { Card } from '~/card/entities';
import { CountryIso } from '~/common/enums';
import { Guardian } from '~/guardian/entities/guradian.entity';
import { Junior } from '~/junior/entities';
import { User } from '~/user/entities';
import { CustomerStatus, Gender, KycStatus } from '../enums';

@Entity('customers')
export class Customer extends BaseEntity {
  @PrimaryColumn('uuid')
  id!: string;

  @Column('varchar', { length: 255, default: CustomerStatus.PENDING, name: 'customer_status' })
  customerStatus!: CustomerStatus;

  @Column('varchar', { length: 255, default: KycStatus.PENDING, name: 'kyc_status' })
  kycStatus!: KycStatus;

  @Column('text', { nullable: true, name: 'rejection_reason' })
  rejectionReason!: string | null;

  @Column('varchar', { length: 255, nullable: true, name: 'first_name' })
  firstName!: string;

  @Column('varchar', { length: 255, nullable: true, name: 'last_name' })
  lastName!: string;

  @Column('date', { nullable: true, name: 'date_of_birth' })
  dateOfBirth!: Date;

  @Column('varchar', { length: 255, nullable: true, name: 'national_id' })
  nationalId!: string;

  @Column('date', { nullable: true, name: 'national_id_expiry' })
  nationalIdExpiry!: Date;

  @Column('varchar', { length: 255, nullable: true, name: 'country_of_residence' })
  countryOfResidence!: CountryIso;

  @Column('boolean', { default: false, name: 'is_pep' })
  isPep!: boolean;

  @Column('varchar', { length: 255, nullable: true, name: 'gender' })
  gender!: Gender;

  @Column('boolean', { default: false, name: 'is_junior' })
  isJunior!: boolean;

  @Column('boolean', { default: false, name: 'is_guardian' })
  isGuardian!: boolean;

  @Column('int', { name: 'application_number' })
  @Generated('increment')
  applicationNumber!: number;

  @Column('varchar', { name: 'user_id' })
  userId!: string;

  // KYC-specific fields
  @Column('varchar', { length: 255, nullable: true, name: 'neoleap_external_customer_id' })
  neoleapExternalCustomerId!: string | null;

  @Column('varchar', { length: 100, nullable: true, name: 'job_sector' })
  jobSector!: string | null;

  @Column('varchar', { length: 255, nullable: true, name: 'employer' })
  employer!: string | null;

  @Column('varchar', { length: 100, nullable: true, name: 'income_source' })
  incomeSource!: string | null;

  @Column('varchar', { length: 100, nullable: true, name: 'job_category' })
  jobCategory!: string | null;

  @Column('varchar', { length: 100, nullable: true, name: 'income_range' })
  incomeRange!: string | null;

  @Column('varchar', { length: 20, nullable: true, name: 'mobile_number' })
  mobileNumber!: string | null;

  @OneToOne(() => User, (user) => user.customer, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'user_id' })
  user!: User;

  @OneToOne(() => Junior, (junior) => junior.customer, { cascade: true })
  junior!: Junior;

  @OneToOne(() => Guardian, (guardian) => guardian.customer, { cascade: true })
  guardian!: Guardian;

  // relation ship between customer and card
  @OneToMany(() => Card, (card) => card.customer)
  cards!: Card[];

  // relationship between cards and their parent customer
  @OneToMany(() => Card, (card) => card.parentCustomer)
  childCards!: Card[];

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

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

  get fullName(): string {
    return `${this.firstName} ${this.lastName}`;
  }
}