Implement FCM

internal/service/auth_service.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"log"
 	"time"
 
 	"apskel-pos-be/config"
@@ -24,11 +25,11 @@ type AuthService interface {
 }
 
 type AuthServiceImpl struct {
-	userProcessor     UserProcessor
-	jwtSecret         string
-	refreshSecret     string
-	tokenTTL          time.Duration
-	refreshTokenTTL   time.Duration
+	userProcessor   UserProcessor
+	jwtSecret       string
+	refreshSecret   string
+	tokenTTL        time.Duration
+	refreshTokenTTL time.Duration
 }
 
 type Claims struct {
@@ -81,6 +82,8 @@ func (s *AuthServiceImpl) Login(ctx context.Context, req *contract.LoginRequest)
 		return nil, fmt.Errorf("failed to generate refresh token: %w", err)
 	}
 
+	go s.saveFcmToken(context.Background(), userResponse.ID, req.FcmToken)
+
 	return &contract.LoginResponse{
 		Token:            token,
 		RefreshToken:     refreshToken,
@@ -90,6 +93,14 @@ func (s *AuthServiceImpl) Login(ctx context.Context, req *contract.LoginRequest)
 	}, nil
 }
 
+func (s *AuthServiceImpl) saveFcmToken(ctx context.Context, userID uuid.UUID, fcmToken *string) {
+	if fcmToken != nil && *fcmToken != "" {
+		if err := s.userProcessor.UpdateFcmToken(ctx, userID, *fcmToken); err != nil {
+			log.Printf("failed to save FCM token for user %s: %v", userID, err)
+		}
+	}
+}
+
 func (s *AuthServiceImpl) ValidateToken(tokenString string) (*contract.UserResponse, error) {
 	claims, err := s.parseToken(tokenString)
 	if err != nil {

internal/service/user_processor.go

@@ -20,4 +20,5 @@ type UserProcessor interface {
 	ActivateUser(ctx context.Context, userID uuid.UUID) error
 	DeactivateUser(ctx context.Context, userID uuid.UUID) error
 	UpdateUserOutlet(ctx context.Context, userID uuid.UUID, req *models.UpdateUserOutletRequest) (*models.UserResponse, error)
+	UpdateFcmToken(ctx context.Context, userID uuid.UUID, fcmToken string) error
 }