ilk

svc/queries/todaycurrencyv3.go

@@ -0,0 +1,35 @@
+package queries
+
+import (
+	"bssapp-backend/models"
+	"database/sql"
+	"fmt"
+)
+
+// GetTodayCurrencyV3 tek bir döviz türü için güncel kuru döndürür (MSSQL sürümü)
+func GetTodayCurrencyV3(db *sql.DB, currencyCode string) (*models.TodayCurrencyV3, error) {
+	query := `
+	SELECT TOP 1 
+		CurrencyCode,
+		RelationCurrencyCode,
+		ExchangeTypeCode,
+		Rate,
+		CONVERT(varchar, Date, 23) AS Date
+	FROM AllExchangeRates
+	WHERE CurrencyCode = @p1
+	  AND RelationCurrencyCode = 'TRY'
+	  AND ExchangeTypeCode = 6
+	  AND Rate > 0
+	ORDER BY ABS(DATEDIFF(DAY, Date, GETDATE())) ASC
+	`
+
+	row := db.QueryRow(query, currencyCode)
+
+	var c models.TodayCurrencyV3
+	err := row.Scan(&c.CurrencyCode, &c.RelationCurrencyCode, &c.ExchangeTypeCode, &c.Rate, &c.Date)
+	if err != nil {
+		return nil, fmt.Errorf("kur bilgisi alınamadı: %v", err)
+	}
+
+	return &c, nil
+}