Payment.java
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package com.ecommerce.payment.model;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.AllArgsConstructor;
import lombok.Builder;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;
import javax.persistence.*;
import java.math.BigDecimal;
import java.time.LocalDateTime;
@Data
@NoArgsConstructor
@AllArgsConstructor
@Builder
@Entity
@Table(name = "payments")
public class Payment {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@Column(name = "payment_id", unique = true, nullable = false)
private String paymentId;
@Column(name = "order_id", nullable = false)
private String orderId;
@Column(name = "order_number")
private String orderNumber;
@Column(name = "user_id")
private Long userId;
@Column(name = "amount", nullable = false, precision = 12, scale = 2)
private BigDecimal amount;
@Column(name = "currency", nullable = false)
private String currency = "USD";
@Column(name = "status", nullable = false)
private String status = "PENDING"; // PENDING, PROCESSING, SUCCEEDED, FAILED, CANCELLED, REFUNDED
@Column(name = "payment_method", nullable = false)
private String paymentMethod; // STRIPE, PAYPAL, CREDIT_CARD, BANK_TRANSFER
@Column(name = "payment_gateway")
private String paymentGateway; // STRIPE, PAYPAL
@Column(name = "gateway_payment_id")
private String gatewayPaymentId;
@Column(name = "gateway_customer_id")
private String gatewayCustomerId;
@Column(name = "description")
private String description;
@Column(name = "failure_reason")
private String failureReason;
@Column(name = "failure_code")
private String failureCode;
@Column(name = "metadata", columnDefinition = "TEXT")
private String metadata;
@CreationTimestamp
@Column(name = "created_at")
private LocalDateTime createdAt;
@UpdateTimestamp
@Column(name = "updated_at")
private LocalDateTime updatedAt;
@Column(name = "processed_at")
private LocalDateTime processedAt;
@Column(name = "refunded_at")
private LocalDateTime refundedAt;
@Version
private Integer version;
@PrePersist
protected void onCreate() {
if (paymentId == null) {
paymentId = generatePaymentId();
}
if (status == null) {
status = "PENDING";
}
if (currency == null) {
currency = "USD";
}
}
private String generatePaymentId() {
return "PAY" + System.currentTimeMillis() + (int)(Math.random() * 1000);
}
}