src/EasyFrameWork/Mvc/DataAnnotations/DataAnnotationsMetadataProvider.cs

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/* http://www.zkea.net/ 
 * Copyright (c) ZKEASOFT. All rights reserved. 
 * http://www.zkea.net/licenses */

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
using Microsoft.AspNetCore.Mvc;
using Easy.MetaData;
using Easy.Extend;
using Easy.ViewPort.Validator;
using Easy.Serializer;

namespace Easy.Mvc.DataAnnotations
{
    public class DataAnnotationsMetadataProvider :
        IDisplayMetadataProvider,
        IValidationMetadataProvider
    {
        public void CreateDisplayMetadata(DisplayMetadataProviderContext context)
        {
            if (context == null)
            {
                throw new ArgumentNullException(nameof(context));
            }
            if (context.Key.ContainerType != null && !context.Key.ContainerType.IsValueType)
            {
                var viewConfig = ServiceLocator.GetViewConfigure(context.Key.ContainerType);

                var displayMetadata = context.DisplayMetadata;
                if (viewConfig != null && context.Key.Name.IsNotNullAndWhiteSpace())
                {
                    var descriptor = viewConfig.GetViewPortDescriptor(context.Key.Name);
                    if (descriptor != null)
                    {
                        displayMetadata.AdditionalValues.Add("ViewPortDescriptor", descriptor);
                        if (displayMetadata.DisplayName == null)
                        {
                            displayMetadata.DisplayName = () => descriptor.DisplayName;
                        }

                        displayMetadata.Order = descriptor.OrderIndex;
                        displayMetadata.TemplateHint = descriptor.TemplateName;
                        displayMetadata.ShowForDisplay = descriptor.IsShowForDisplay;
                        displayMetadata.ShowForEdit = descriptor.IsShowForEdit;
                        if (descriptor.IsHidden)
                        {
                            displayMetadata.TemplateHint = "HiddenInput";
                            displayMetadata.ShowForDisplay = false;
                            displayMetadata.ShowForEdit = false;
                        }
                        if (descriptor.IsIgnore)
                        {
                            displayMetadata.ShowForDisplay = false;
                            displayMetadata.ShowForEdit = false;