added parentmembershipvalidation

internal/utils/validators.go

@@ -4,15 +4,15 @@ package utils
 
 import (
 	// "reflect"
-	"time"
-
 	"GoMembership/internal/database"
 	"GoMembership/internal/models"
 	"GoMembership/pkg/logger"
 	"github.com/go-playground/validator/v10"
 	"github.com/jbub/banking/iban"
 	"github.com/jbub/banking/swift"
+	"reflect"
 	"slices"
+	"time"
 )
 
 //
@@ -55,6 +55,37 @@ func IBANValidator(fl validator.FieldLevel) bool {
 	return iban.Validate(fieldValue) == nil
 }
 
+func ValidateRequiredMembershipField(fl validator.FieldLevel) bool {
+	user := fl.Top().Interface().(*models.User)
+	membership := user.Membership
+	subModel := membership.SubscriptionModel
+
+	// Get the field name specified in RequiredMembershipField
+	fieldName := subModel.RequiredMembershipField
+	if fieldName == "" {
+		return true
+	}
+
+	// Get the value of the field specified by RequiredMembershipField
+	fieldValue := reflect.ValueOf(membership).FieldByName(fieldName)
+	// Ensure that the fieldValue is an int64
+	var fieldInt64 int64
+	if fieldValue.Kind() == reflect.Int64 {
+		fieldInt64 = fieldValue.Int()
+	} else {
+		return false
+	}
+	var membershipIDs []int64
+	if err := database.DB.Model(&models.Membership{}).Pluck("id", &membershipIDs).Error; err != nil {
+		logger.Error.Fatalf("Couldn't get SubscriptionModel names: %#v", err)
+		return false
+	}
+
+	// logger.Info.Printf("FIELD_NAME: %#v\nVALUE: %#v", fieldName, fieldValue)
+	// Check if the field value is zero (empty)
+	return slices.Contains(membershipIDs, fieldInt64)
+}
+
 func BICValidator(fl validator.FieldLevel) bool {
 	fieldValue := fl.Field().String()