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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Concurrent;
using System.Diagnostics;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
namespace Microsoft.AspNetCore.Mvc.RazorPages.Infrastructure;
#pragma warning disable CA1852 // Seal internal types
internal class DynamicPageEndpointSelectorCache
#pragma warning restore CA1852 // Seal internal types
{
private readonly ConcurrentDictionary<int, EndpointDataSource> _dataSourceCache = new();
private readonly ConcurrentDictionary<int, DynamicPageEndpointSelector> _endpointSelectorCache = new();
public void AddDataSource(PageActionEndpointDataSource dataSource)
{
_dataSourceCache.GetOrAdd(dataSource.DataSourceId, dataSource);
}
// For testing purposes only
internal void AddDataSource(EndpointDataSource dataSource, int key) =>
_dataSourceCache.GetOrAdd(key, dataSource);
public DynamicPageEndpointSelector? GetEndpointSelector(Endpoint endpoint)
{
if (endpoint?.Metadata == null)
{
return null;
}
var dataSourceId = endpoint.Metadata.GetMetadata<PageEndpointDataSourceIdMetadata>();
Debug.Assert(dataSourceId is not null);
return _endpointSelectorCache.GetOrAdd(dataSourceId.Id, EnsureDataSource);
}
private DynamicPageEndpointSelector EnsureDataSource(int key)
{
if (!_dataSourceCache.TryGetValue(key, out var dataSource))
{
throw new InvalidOperationException($"Data source with key '{key}' not registered.");
}
return new DynamicPageEndpointSelector(dataSource);
}
}
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