update: updateing caching controle in role repositories

internal/repositories/role.go

@@ -1,7 +1,9 @@
 package repositories
 
 import (
+	"encoding/json"
 	"errors"
+	"time"
 
 	"github.com/pahmiudahgede/senggoldong/config"
 	"github.com/pahmiudahgede/senggoldong/domain"
@@ -9,18 +11,66 @@ import (
 
 func GetUserRoleByID(id string) (domain.UserRole, error) {
 	var role domain.UserRole
-	err := config.DB.Where("id = ?", id).First(&role).Error
+
+	ctx := config.Context()
+	cachedRole, err := config.RedisClient.Get(ctx, "userRole:"+id).Result()
+
+	if err == nil {
+
+		err := json.Unmarshal([]byte(cachedRole), &role)
+		if err != nil {
+			return role, errors.New("gagal mendekode data cache Redis")
+		}
+		return role, nil
+	}
+
+	err = config.DB.Where("id = ?", id).First(&role).Error
 	if err != nil {
 		return role, errors.New("userRole tidak ditemukan")
 	}
+
+	roleJSON, err := json.Marshal(role)
+	if err != nil {
+		return role, errors.New("gagal mendekode data untuk Redis")
+	}
+
+	err = config.RedisClient.Set(ctx, "userRole:"+id, roleJSON, time.Hour*24).Err()
+	if err != nil {
+		return role, errors.New("gagal menyimpan data di Redis")
+	}
+
 	return role, nil
 }
 
 func GetAllUserRoles() ([]domain.UserRole, error) {
 	var roles []domain.UserRole
-	err := config.DB.Find(&roles).Error
+
+	ctx := config.Context()
+	cachedRoles, err := config.RedisClient.Get(ctx, "allUserRoles").Result()
+
+	if err == nil {
+
+		err := json.Unmarshal([]byte(cachedRoles), &roles)
+		if err != nil {
+			return roles, errors.New("gagal mendekode data cache Redis")
+		}
+		return roles, nil
+	}
+
+	err = config.DB.Find(&roles).Error
 	if err != nil {
 		return nil, errors.New("gagal mengambil data UserRole")
 	}
+
+	rolesJSON, err := json.Marshal(roles)
+	if err != nil {
+		return roles, errors.New("gagal mendekode data untuk Redis")
+	}
+
+	err = config.RedisClient.Set(ctx, "allUserRoles", rolesJSON, time.Hour*24).Err()
+	if err != nil {
+		return roles, errors.New("gagal menyimpan data di Redis")
+	}
+
 	return roles, nil
 }