Payment.java

package com.checkout.paymentgw.payment.domain;

import jakarta.persistence.*;
import lombok.*;

import java.time.Instant;
import java.util.UUID;

@Entity
@Table(name = "payments")
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class Payment {

    @Id
    @Column(name = "id", nullable = false, updatable = false)
    private UUID id;

    @Column(name = "merchant_id", nullable = false, length = 64)
    private String merchantId;

    @Column(name = "status", nullable = false, length = 16)
    @Enumerated(EnumType.STRING)
    private PaymentStatus status;

    @Column(name = "card_number_last_four", nullable = false, length = 4)
    private String cardNumberLastFour;

    @Column(name = "expiry_month", nullable = false)
    private int expiryMonth;

    @Column(name = "expiry_year", nullable = false)
    private int expiryYear;

    @Column(name = "currency", nullable = false, length = 3)
    private String currency;

    @Column(name = "amount", nullable = false)
    private Integer amount;

    /** Bank-side authorisation code, if any. Never logged. */
    @Column(name = "auth_code", length = 32)
    private String authCode;

    @Column(name = "decline_reason", length = 128)
    private String declineReason;

    @Column(name = "created_at", nullable = false)
    private Instant createdAt;
}