Basic DTO validation

app/lib/helpers/validation.go

@@ -0,0 +1,36 @@
+package helpers
+
+import (
+	"fmt"
+
+	"github.com/go-playground/validator/v10"
+)
+
+type ValidationError struct {
+	ActualTag   string `json:"tag"`
+	Namespace   string `json:"namespace"`
+	Kind        string `json:"kind"`
+	Type        string `json:"type"`
+	Value       string `json:"value"`
+	Param       string `json:"param"`
+	Field       string `json:"field"`
+	StructField string `json:"structField"`
+}
+
+func WrapValidationErrors(errs validator.ValidationErrors) []ValidationError {
+	validationErrors := make([]ValidationError, 0, len(errs))
+	for _, validationErr := range errs {
+		validationErrors = append(validationErrors, ValidationError{
+			ActualTag:   validationErr.ActualTag(),
+			Namespace:   validationErr.Namespace(),
+			Kind:        validationErr.Kind().String(),
+			Type:        validationErr.Type().String(),
+			Value:       fmt.Sprintf("%v", validationErr.Value()),
+			Param:       validationErr.Param(),
+			Field:       validationErr.Field(),
+			StructField: validationErr.StructField(),
+		})
+	}
+
+	return validationErrors
+}