backend moved to separate directory

backend: deleted the old structure

go-backend/internal/validation/membership_validation.go

@@ -0,0 +1,42 @@
+package validation
+
+import (
+	"GoMembership/internal/models"
+	"GoMembership/internal/repositories"
+	"GoMembership/pkg/errors"
+	"GoMembership/pkg/logger"
+
+	"github.com/go-playground/validator/v10"
+)
+
+func validateMembership(sl validator.StructLevel) {
+	membership := sl.Current().Interface().(models.User).Membership
+	if membership.SubscriptionModel.RequiredMembershipField != "" {
+		switch membership.SubscriptionModel.RequiredMembershipField {
+		case "ParentMembershipID":
+			if err := CheckParentMembershipID(membership); err != nil {
+				logger.Error.Printf("Error ParentMembershipValidation: %v", err.Error())
+				sl.ReportError(membership.ParentMembershipID, membership.SubscriptionModel.RequiredMembershipField,
+					"RequiredMembershipField", "invalid", "")
+			}
+		default:
+			logger.Error.Printf("Error no matching RequiredMembershipField: %v", errors.ErrInvalidValue.Error())
+			sl.ReportError(membership.ParentMembershipID, membership.SubscriptionModel.RequiredMembershipField,
+				"RequiredMembershipField", "not_implemented", "")
+		}
+
+	}
+}
+
+func CheckParentMembershipID(membership models.Membership) error {
+
+	if membership.ParentMembershipID == 0 {
+		return errors.ValErrParentIDNotSet
+	} else {
+		_, err := repositories.GetUserByID(&membership.ParentMembershipID)
+		if err != nil {
+			return errors.ValErrParentIDNotFound
+		}
+	}
+	return nil
+}