csharp/Aaltuj/VxFormGenerator/VxFormGenerator.Core/VxHelpers.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection;
using System.Text;

namespace VxFormGenerator.Core
{
    public static clast VxHelpers
    {
        public static bool IsTypeDerivedFromGenericType(Type typeToCheck, Type genericType)
        {
            if (typeToCheck == typeof(object))
            {
                return false;
            }
            else if (typeToCheck == null)
            {
                return false;
            }
            else if (typeToCheck.IsGenericType && typeToCheck.GetGenericTypeDefinition() == genericType)
            {
                return true;
            }
            else
            {
                return IsTypeDerivedFromGenericType(typeToCheck.BaseType, genericType);
            }
        }

        internal static IEnumerable GetModelProperties(Type modelType)
        {
            return modelType.GetProperties()
                     .Where(w => w.GetCustomAttribute() == null);
        }

        internal static List GetAllAttributes(Type modelType) where T : Attribute => modelType.GetCustomAttributes().ToList();

        internal static bool TypeImplementsInterface(Type type, Type typeToImplement)
        {
            Type foundInterface = type
                .GetInterfaces()
                .Where(i =>
                {
                    return i.Name == typeToImplement.Name;
                })
                .Select(i => i)
                .FirstOrDefault();

            return foundInterface != null;
        }

    }


    public static clast VxEnumExtensions
    {

        // This extension method is broken out so you can use a similar pattern with 
        // other MetaData elements in the future. This is your base method for each.
        public static T GetAttribute(this Enum value) where T : Attribute
        {
            var type = value.GetType();
            var memberInfo = type.GetMember(value.ToString());
            var attributes = memberInfo[0].GetCustomAttributes(typeof(T), false);
            return attributes.Length > 0
              ? (T)attributes[0]
              : null;
        }

    }
}