Commit: 690c1f6

Commit Details

SHA	`690c1f6ce426c62c29e87ac132dda0f8125192ff`
Tree	`5a67fd55b56735ab4e469c7d06c1c73c4c2b4c20`
Author	<f69e50@finnacloud.com> 1766368110 +0300
Committer	<f69e50@finnacloud.com> 1766368110 +0300
Message	initialize backend structure with controllers, DTOs, and configuration files
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File: src/main/java/com/paymentlink/model/entity/ExchangeRate.java

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      package com.paymentlink.model.entity;
    
      import jakarta.persistence.*;
    
      import lombok.AllArgsConstructor;
    
      import lombok.Builder;
    
      import lombok.Data;
    
      import lombok.NoArgsConstructor;
    
      import java.time.LocalDateTime;
    
      @Entity
    
      @Table(name = "exchange_rates",
    
             indexes = @Index(name = "idx_currency_pair", columnList = "fromCurrency,toCurrency"))
    
      @Data
    
      @NoArgsConstructor
    
      @AllArgsConstructor
    
      @Builder
    
      public class ExchangeRate {
    
          @Id
    
          @GeneratedValue(strategy = GenerationType.IDENTITY)
    
          private Long id;
    
          @Column(nullable = false, length = 3)
    
          private String fromCurrency; // "USD"
    
          @Column(nullable = false, length = 3)
    
          private String toCurrency; // "EUR", "GBP", etc.
    
          @Column(nullable = false)
    
          private Double rate; // Exchange rate (e.g., 0.92 for USD to EUR)
    
          @Column(nullable = false)
    
          private LocalDateTime fetchedAt;
    
          @Column(nullable = false)
    
          private LocalDateTime expiresAt; // Cache for 1 hour
    
          // For load balancing - prevents duplicate refresh jobs
    
          @Version
    
          private Long version;
    
      }

1	package com.paymentlink.model.entity;
2
3	import jakarta.persistence.*;
4	import lombok.AllArgsConstructor;
5	import lombok.Builder;
6	import lombok.Data;
7	import lombok.NoArgsConstructor;
8
9	import java.time.LocalDateTime;
10
11	@Entity
12	@Table(name = "exchange_rates",
13	indexes = @Index(name = "idx_currency_pair", columnList = "fromCurrency,toCurrency"))
14	@Data
15	@NoArgsConstructor
16	@AllArgsConstructor
17	@Builder
18	public class ExchangeRate {
19
20	@Id
21	@GeneratedValue(strategy = GenerationType.IDENTITY)
22	private Long id;
23
24	@Column(nullable = false, length = 3)
25	private String fromCurrency; // "USD"
26
27	@Column(nullable = false, length = 3)
28	private String toCurrency; // "EUR", "GBP", etc.
29
30	@Column(nullable = false)
31	private Double rate; // Exchange rate (e.g., 0.92 for USD to EUR)
32
33	@Column(nullable = false)
34	private LocalDateTime fetchedAt;
35
36	@Column(nullable = false)
37	private LocalDateTime expiresAt; // Cache for 1 hour
38
39	// For load balancing - prevents duplicate refresh jobs
40	@Version
41	private Long version;
42	}
43

backend

Commit: 690c1f6

Commit Details

File: src/main/java/com/paymentlink/model/entity/ExchangeRate.java