99 lines
3.5 KiB
C#
99 lines
3.5 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc.Core;
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using Microsoft.AspNetCore.Mvc.Infrastructure;
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using Microsoft.AspNetCore.Mvc.Routing;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Net.Http.Headers;
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namespace Microsoft.AspNetCore.Mvc
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{
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/// <summary>
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/// An <see cref="ActionResult"/> that returns a Accepted (202) response with a Location header.
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/// </summary>
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[DefaultStatusCode(DefaultStatusCode)]
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public class AcceptedAtActionResult : ObjectResult
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{
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private const int DefaultStatusCode = StatusCodes.Status202Accepted;
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/// <summary>
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/// Initializes a new instance of the <see cref="AcceptedAtActionResult"/> with the values
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/// provided.
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/// </summary>
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/// <param name="actionName">The name of the action to use for generating the URL.</param>
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/// <param name="controllerName">The name of the controller to use for generating the URL.</param>
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/// <param name="routeValues">The route data to use for generating the URL.</param>
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/// <param name="value">The value to format in the entity body.</param>
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public AcceptedAtActionResult(
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string actionName,
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string controllerName,
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object routeValues,
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object value)
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: base(value)
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{
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ActionName = actionName;
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ControllerName = controllerName;
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RouteValues = routeValues == null ? null : new RouteValueDictionary(routeValues);
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StatusCode = DefaultStatusCode;
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}
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/// <summary>
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/// Gets or sets the <see cref="IUrlHelper" /> used to generate URLs.
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/// </summary>
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public IUrlHelper UrlHelper { get; set; }
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/// <summary>
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/// Gets or sets the name of the action to use for generating the URL.
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/// </summary>
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public string ActionName { get; set; }
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/// <summary>
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/// Gets or sets the name of the controller to use for generating the URL.
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/// </summary>
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public string ControllerName { get; set; }
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/// <summary>
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/// Gets or sets the route data to use for generating the URL.
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/// </summary>
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public RouteValueDictionary RouteValues { get; set; }
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/// <inheritdoc />
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public override void OnFormatting(ActionContext context)
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{
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if (context == null)
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{
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throw new ArgumentNullException(nameof(context));
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}
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base.OnFormatting(context);
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var request = context.HttpContext.Request;
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var urlHelper = UrlHelper;
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if (urlHelper == null)
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{
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var services = context.HttpContext.RequestServices;
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urlHelper = services.GetRequiredService<IUrlHelperFactory>().GetUrlHelper(context);
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}
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var url = urlHelper.Action(
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ActionName,
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ControllerName,
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RouteValues,
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request.Scheme,
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request.Host.ToUriComponent());
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if (string.IsNullOrEmpty(url))
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{
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throw new InvalidOperationException(Resources.NoRoutesMatched);
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}
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context.HttpContext.Response.Headers[HeaderNames.Location] = url;
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}
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}
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}
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