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/repository/ExchangeRateRepository.java

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      package com.paymentlink.repository;
    
      import com.paymentlink.model.entity.ExchangeRate;
    
      import org.springframework.data.jpa.repository.JpaRepository;
    
      import org.springframework.data.jpa.repository.Query;
    
      import org.springframework.data.repository.query.Param;
    
      import org.springframework.stereotype.Repository;
    
      import java.time.LocalDateTime;
    
      import java.util.List;
    
      import java.util.Optional;
    
      @Repository
    
      public interface ExchangeRateRepository extends JpaRepository<ExchangeRate, Long> {
    
          @Query("SELECT e FROM ExchangeRate e WHERE e.fromCurrency = :from " +
    
                 "AND e.toCurrency = :to AND e.expiresAt > :now ORDER BY e.fetchedAt DESC")
    
          Optional<ExchangeRate> findValidRate(
    
                  @Param("from") String fromCurrency,
    
                  @Param("to") String toCurrency,
    
                  @Param("now") LocalDateTime now);
    
          Optional<ExchangeRate> findByFromCurrencyAndToCurrency(String fromCurrency, String toCurrency);
    
          @Query("SELECT e FROM ExchangeRate e WHERE e.expiresAt < :now")
    
          List<ExchangeRate> findExpiredRates(@Param("now") LocalDateTime now);
    
          void deleteByExpiresAtBefore(LocalDateTime expiryDate);
    
      }

1	package com.paymentlink.repository;
2
3	import com.paymentlink.model.entity.ExchangeRate;
4	import org.springframework.data.jpa.repository.JpaRepository;
5	import org.springframework.data.jpa.repository.Query;
6	import org.springframework.data.repository.query.Param;
7	import org.springframework.stereotype.Repository;
8
9	import java.time.LocalDateTime;
10	import java.util.List;
11	import java.util.Optional;
12
13	@Repository
14	public interface ExchangeRateRepository extends JpaRepository<ExchangeRate, Long> {
15
16	@Query("SELECT e FROM ExchangeRate e WHERE e.fromCurrency = :from " +
17	"AND e.toCurrency = :to AND e.expiresAt > :now ORDER BY e.fetchedAt DESC")
18	Optional<ExchangeRate> findValidRate(
19	@Param("from") String fromCurrency,
20	@Param("to") String toCurrency,
21	@Param("now") LocalDateTime now);
22
23	Optional<ExchangeRate> findByFromCurrencyAndToCurrency(String fromCurrency, String toCurrency);
24
25	@Query("SELECT e FROM ExchangeRate e WHERE e.expiresAt < :now")
26	List<ExchangeRate> findExpiredRates(@Param("now") LocalDateTime now);
27
28	void deleteByExpiresAtBefore(LocalDateTime expiryDate);
29	}
30

backend

Commit: 690c1f6

Commit Details

File: src/main/java/com/paymentlink/repository/ExchangeRateRepository.java