Merge remote-tracking branch 'origin/master'

svc/queries/currency_cache.go

@@ -3,62 +3,10 @@ package queries
 import (
 	"bssapp-backend/models"
 	"database/sql"
-	"sync"
-	"time"
+	"strings"
 )
 
-/* ===============================
-   CACHE STRUCT
-================================ */
-
-type currencyCacheItem struct {
-	data      *models.TodayCurrencyV3
-	expiresAt time.Time
-}
-
-var (
-	currencyCache = make(map[string]currencyCacheItem)
-	cacheMutex    sync.RWMutex
-	cacheTTL      = 5 * time.Minute
-)
-
-/* ===============================
-   MAIN CACHE FUNC
-================================ */
-
-func GetCachedCurrencyV3(db *sql.DB, code string) (*models.TodayCurrencyV3, error) {
-
-	now := time.Now()
-
-	/* ---------- READ CACHE ---------- */
-	cacheMutex.RLock()
-
-	item, ok := currencyCache[code]
-
-	if ok && now.Before(item.expiresAt) {
-		cacheMutex.RUnlock()
-		return item.data, nil
-	}
-
-	cacheMutex.RUnlock()
-
-	/* ---------- FETCH DB ---------- */
-
-	data, err := GetTodayCurrencyV3(db, code)
-	if err != nil {
-		return nil, err
-	}
-
-	/* ---------- WRITE CACHE ---------- */
-
-	cacheMutex.Lock()
-
-	currencyCache[code] = currencyCacheItem{
-		data:      data,
-		expiresAt: now.Add(cacheTTL),
-	}
-
-	cacheMutex.Unlock()
-
-	return data, nil
+// GetCachedCurrencyV3 keeps compatibility with existing order routes.
+func GetCachedCurrencyV3(db *sql.DB, currencyCode string) (*models.TodayCurrencyV3, error) {
+	return GetTodayCurrencyV3(db, strings.ToUpper(strings.TrimSpace(currencyCode)))
 }