prepare for update method

internal/controller/tariff_internal/controller.go

@@ -113,7 +113,28 @@ func (t *TariffInternal) Delete(ctx *fiber.Ctx) error {
 }
 
 func (t *TariffInternal) Update(ctx *fiber.Ctx) error {
-	return nil
+	var req models.Tariff
+	if err := ctx.BodyParser(&req); err != nil {
+		return ctx.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "Invalid request payload"})
+	}
+
+	id := ctx.Params("id")
+	objID, err := primitive.ObjectIDFromHex(id)
+	if err != nil {
+		return ctx.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "no valid object tariff id"})
+	}
+
+	result, err := t.repo.Update(ctx.Context(), objID, req)
+	if err != nil {
+		switch {
+		case errors.Is(err, our_errors.ErrNotFound):
+			return ctx.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "Tariff not found"})
+		default:
+			return ctx.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
+		}
+	}
+
+	return ctx.Status(fiber.StatusOK).JSON(result)
 }
 
 func (t *TariffInternal) Restore(ctx *fiber.Ctx) error {

internal/repository/tariff/tariff.go

@@ -118,3 +118,8 @@ func (t *Tariff) SoftDelete(ctx context.Context, tariffID primitive.ObjectID) (m
 
 	return tariff, nil
 }
+
+func (t *Tariff) Update(ctx context.Context, tariffID primitive.ObjectID, req models.Tariff) (models.Tariff, error) {
+	var tariff models.Tariff
+	return tariff, nil
+}