dotnet-cqrs/PoweredSoft.CQRS.AspNetCore.OData/QueryODataControllerFeatureProvider.cs

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2021-02-05 13:06:34 -05:00
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.Extensions.DependencyInjection;
using PoweredSoft.CQRS.Abstractions.Discovery;
using PoweredSoft.CQRS.AspNetCore.Abstractions.Attributes;
using PoweredSoft.CQRS.AspNetCore.OData.Abstractions;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace PoweredSoft.CQRS.AspNetCore.OData
{
public class QueryODataControllerFeatureProvider : IApplicationFeatureProvider<ControllerFeature>
{
private readonly ServiceProvider serviceProvider;
public QueryODataControllerFeatureProvider(ServiceProvider serviceProvider)
{
this.serviceProvider = serviceProvider;
}
public void PopulateFeature(IEnumerable<ApplicationPart> parts, ControllerFeature feature)
{
var queryDiscovery = this.serviceProvider.GetRequiredService<IQueryDiscovery>();
foreach (var f in queryDiscovery.GetQueries())
{
var ignoreAttribute = f.QueryType.GetCustomAttribute<QueryOdataControllerIgnoreAttribute>();
if (ignoreAttribute != null)
continue;
if (f.Category != "BasicQuery")
continue;
var isQueryable = f.QueryResultType.Namespace == "System.Linq" && f.QueryResultType.Name.Contains("IQueryable");
if (!isQueryable)
continue;
var controllerType = typeof(QueryODataController<,>).MakeGenericType(f.QueryType, f.QueryResultType);
var controllerTypeInfo = controllerType.GetTypeInfo();
feature.Controllers.Add(controllerTypeInfo);
}
}
}
}