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XPOJsonOptions.cs
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XPOJsonOptions.cs
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using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Options;
using System;
using Microsoft.AspNetCore.Mvc.ModelBinding.Metadata;
using DevExpress.Xpo;
using System.Linq;
using DevExpress.Xpo.Helpers;
namespace XpoSerialization {
internal class ConfigureJsonOptions : IConfigureOptions<JsonOptions>, IServiceProvider {
private readonly IHttpContextAccessor _httpContextAccessor;
private readonly IServiceProvider _serviceProvider;
public ConfigureJsonOptions(
IHttpContextAccessor httpContextAccessor,
IServiceProvider serviceProvider) {
_httpContextAccessor = httpContextAccessor;
_serviceProvider = serviceProvider;
}
public void Configure(JsonOptions options) {
options.JsonSerializerOptions.Converters.Add(new PersistentBaseConverterFactory(this));
}
public object GetService(Type serviceType) {
return (_httpContextAccessor.HttpContext?.RequestServices ?? _serviceProvider).GetService(serviceType);
}
}
public class XpoMetadataProvider : DefaultModelMetadataProvider {
public XpoMetadataProvider(ICompositeMetadataDetailsProvider detailsProvider) : base(detailsProvider) {
}
public XpoMetadataProvider(ICompositeMetadataDetailsProvider detailsProvider, IOptions<MvcOptions> optionsAccessor) : base(detailsProvider, optionsAccessor) {
}
protected override DefaultMetadataDetails[] CreatePropertyDetails(ModelMetadataIdentity key) {
DefaultMetadataDetails[] result = base.CreatePropertyDetails(key);
if(typeof(PersistentBase).IsAssignableFrom(key.ModelType))
return result.Where(x => !IsServiceField(x.Key)).ToArray();
else
return result;
}
static bool IsServiceField(ModelMetadataIdentity identity) {
Type declaringType = identity.PropertyInfo.DeclaringType;
return declaringType == typeof(PersistentBase)
|| declaringType == typeof(XPBaseObject);
}
}
}