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/
Controller.cs
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/
Controller.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.IO;
using System.Linq.Expressions;
using System.Security.Claims;
using System.Text;
using System.Threading.Tasks;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Mvc.ModelBinding;
using Microsoft.AspNet.Mvc.ModelBinding.Validation;
using Microsoft.AspNet.Mvc.Rendering;
using Microsoft.AspNet.Mvc.ViewFeatures;
using Microsoft.AspNet.Routing;
using Microsoft.Framework.Internal;
using Microsoft.Net.Http.Headers;
using Newtonsoft.Json;
namespace Microsoft.AspNet.Mvc
{
/// <summary>
/// Base class for an MVC controller.
/// </summary>
public abstract class Controller : IActionFilter, IAsyncActionFilter, IDisposable
{
private DynamicViewData _viewBag;
private ViewDataDictionary _viewData;
private ActionContext _actionContext;
/// <summary>
/// Gets the request-specific <see cref="IServiceProvider"/>.
/// </summary>
public IServiceProvider Resolver
{
get
{
return ActionContext?.HttpContext?.RequestServices;
}
}
/// <summary>
/// Gets the <see cref="HttpContext"/> for the executing action.
/// </summary>
public HttpContext Context
{
get
{
return ActionContext?.HttpContext;
}
}
/// <summary>
/// Gets the <see cref="HttpRequest"/> for the executing action.
/// </summary>
public HttpRequest Request
{
get
{
return ActionContext?.HttpContext?.Request;
}
}
/// <summary>
/// Gets the <see cref="HttpResponse"/> for the executing action.
/// </summary>
public HttpResponse Response
{
get
{
return ActionContext?.HttpContext?.Response;
}
}
/// <summary>
/// Gets the <see cref="AspNet.Routing.RouteData"/> for the executing action.
/// </summary>
public RouteData RouteData
{
get
{
return ActionContext?.RouteData;
}
}
/// <summary>
/// Gets the <see cref="ModelStateDictionary"/> that contains the state of the model and of model-binding validation.
/// </summary>
public ModelStateDictionary ModelState
{
get
{
return ViewData?.ModelState;
}
}
/// <summary>
/// Gets or sets the <see cref="Mvc.ActionContext"/> object.
/// </summary>
/// <remarks>
/// <see cref="IControllerActivator"/> activates this property while activating controllers. If user codes
/// directly instantiate controllers, the getter returns an empty <see cref="Mvc.ActionContext"/>.
/// </remarks>
[ActionContext]
public ActionContext ActionContext
{
get
{
// This should run only for the controller unit test scenarios
_actionContext = _actionContext ?? new ActionContext();
return _actionContext;
}
set
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
_actionContext = value;
}
}
/// <summary>
/// Gets or sets the <see cref="ActionBindingContext"/>.
/// </summary>
[ActionBindingContext]
public ActionBindingContext BindingContext { get; set; }
/// <summary>
/// Gets or sets the <see cref="IModelMetadataProvider"/>.
/// </summary>
[FromServices]
public IModelMetadataProvider MetadataProvider { get; set; }
/// <summary>
/// Gets or sets the <see cref="IUrlHelper"/>.
/// </summary>
[FromServices]
public IUrlHelper Url { get; set; }
[FromServices]
public IObjectModelValidator ObjectValidator { get; set; }
/// <summary>
/// Gets or sets the <see cref="ClaimsPrincipal"/> for user associated with the executing action.
/// </summary>
public ClaimsPrincipal User
{
get
{
return Context?.User;
}
}
/// <summary>
/// Gets or sets <see cref="ViewDataDictionary"/> used by <see cref="ViewResult"/> and <see cref="ViewBag"/>.
/// </summary>
/// <remarks>
/// By default, this property is activated when <see cref="IControllerActivator"/> activates controllers.
/// However, when controllers are directly instantiated in user codes, this property is initialized with
/// <see cref="EmptyModelMetadataProvider"/>.
/// </remarks>
[ViewDataDictionary]
public ViewDataDictionary ViewData
{
get
{
if (_viewData == null)
{
// This should run only for the controller unit test scenarios
_viewData =
new ViewDataDictionary(new EmptyModelMetadataProvider(),
ActionContext?.ModelState ?? new ModelStateDictionary());
}
return _viewData;
}
set
{
if (value == null)
{
throw
new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(ViewData));
}
_viewData = value;
}
}
/// <summary>
/// Gets or sets <see cref="ITempDataDictionary"/> used by <see cref="ViewResult"/>.
/// </summary>
[FromServices]
public ITempDataDictionary TempData { get; set; }
/// <summary>
/// Gets the dynamic view bag.
/// </summary>
public dynamic ViewBag
{
get
{
if (_viewBag == null)
{
_viewBag = new DynamicViewData(() => ViewData);
}
return _viewBag;
}
}
/// <summary>
/// Creates a <see cref="ViewResult"/> object that renders a view to the response.
/// </summary>
/// <returns>The created <see cref="ViewResult"/> object for the response.</returns>
[NonAction]
public virtual ViewResult View()
{
return View(viewName: null);
}
/// <summary>
/// Creates a <see cref="ViewResult"/> object by specifying a <paramref name="viewName"/>.
/// </summary>
/// <param name="viewName">The name of the view that is rendered to the response.</param>
/// <returns>The created <see cref="ViewResult"/> object for the response.</returns>
[NonAction]
public virtual ViewResult View(string viewName)
{
return View(viewName, model: null);
}
/// <summary>
/// Creates a <see cref="ViewResult"/> object by specifying a <paramref name="model"/>
/// to be rendered by the view.
/// </summary>
/// <param name="model">The model that is rendered by the view.</param>
/// <returns>The created <see cref="ViewResult"/> object for the response.</returns>
[NonAction]
public virtual ViewResult View(object model)
{
return View(viewName: null, model: model);
}
/// <summary>
/// Creates a <see cref="ViewResult"/> object by specifying a <paramref name="viewName"/>
/// and the <paramref name="model"/> to be rendered by the view.
/// </summary>
/// <param name="viewName">The name of the view that is rendered to the response.</param>
/// <param name="model">The model that is rendered by the view.</param>
/// <returns>The created <see cref="ViewResult"/> object for the response.</returns>
[NonAction]
public virtual ViewResult View(string viewName, object model)
{
// Do not override ViewData.Model unless passed a non-null value.
if (model != null)
{
ViewData.Model = model;
}
return new ViewResult()
{
ViewName = viewName,
ViewData = ViewData,
TempData = TempData
};
}
/// <summary>
/// Creates a <see cref="PartialViewResult"/> object that renders a partial view to the response.
/// </summary>
/// <returns>The created <see cref="PartialViewResult"/> object for the response.</returns>
[NonAction]
public virtual PartialViewResult PartialView()
{
return PartialView(viewName: null);
}
/// <summary>
/// Creates a <see cref="PartialViewResult"/> object by specifying a <paramref name="viewName"/>.
/// </summary>
/// <param name="viewName">The name of the view that is rendered to the response.</param>
/// <returns>The created <see cref="PartialViewResult"/> object for the response.</returns>
[NonAction]
public virtual PartialViewResult PartialView(string viewName)
{
return PartialView(viewName, model: null);
}
/// <summary>
/// Creates a <see cref="PartialViewResult"/> object by specifying a <paramref name="model"/>
/// to be rendered by the partial view.
/// </summary>
/// <param name="model">The model that is rendered by the partial view.</param>
/// <returns>The created <see cref="PartialViewResult"/> object for the response.</returns>
[NonAction]
public virtual PartialViewResult PartialView(object model)
{
return PartialView(viewName: null, model: model);
}
/// <summary>
/// Creates a <see cref="PartialViewResult"/> object by specifying a <paramref name="viewName"/>
/// and the <paramref name="model"/> to be rendered by the partial view.
/// </summary>
/// <param name="viewName">The name of the partial view that is rendered to the response.</param>
/// <param name="model">The model that is rendered by the partial view.</param>
/// <returns>The created <see cref="PartialViewResult"/> object for the response.</returns>
[NonAction]
public virtual PartialViewResult PartialView(string viewName, object model)
{
// Do not override ViewData.Model unless passed a non-null value.
if (model != null)
{
ViewData.Model = model;
}
return new PartialViewResult()
{
ViewName = viewName,
ViewData = ViewData,
TempData = TempData
};
}
/// <summary>
/// Creates a <see cref="ContentResult"/> object by specifying a <paramref name="content"/> string.
/// </summary>
/// <param name="content">The content to write to the response.</param>
/// <returns>The created <see cref="ContentResult"/> object for the response.</returns>
[NonAction]
public virtual ContentResult Content(string content)
{
return Content(content, (MediaTypeHeaderValue)null);
}
/// <summary>
/// Creates a <see cref="ContentResult"/> object by specifying a <paramref name="content"/> string
/// and a content type.
/// </summary>
/// <param name="content">The content to write to the response.</param>
/// <param name="contentType">The content type (MIME type).</param>
/// <returns>The created <see cref="ContentResult"/> object for the response.</returns>
[NonAction]
public virtual ContentResult Content(string content, string contentType)
{
return Content(content, contentType, contentEncoding: null);
}
/// <summary>
/// Creates a <see cref="ContentResult"/> object by specifying a <paramref name="content"/> string,
/// a <paramref name="contentType"/>, and <paramref name="contentEncoding"/>.
/// </summary>
/// <param name="content">The content to write to the response.</param>
/// <param name="contentType">The content type (MIME type).</param>
/// <param name="contentEncoding">The content encoding.</param>
/// <returns>The created <see cref="ContentResult"/> object for the response.</returns>
[NonAction]
public virtual ContentResult Content(string content, string contentType, Encoding contentEncoding)
{
return Content(content, new MediaTypeHeaderValue(contentType) { Encoding = contentEncoding });
}
/// <summary>
/// Creates a <see cref="ContentResult"/> object by specifying a <paramref name="content"/>
/// string and a <paramref name="contentType"/>.
/// </summary>
/// <param name="content">The content to write to the response.</param>
/// <param name="contentType">The content type (MIME type).</param>
/// <returns>The created <see cref="ContentResult"/> object for the response.</returns>
[NonAction]
public virtual ContentResult Content(string content, MediaTypeHeaderValue contentType)
{
var result = new ContentResult
{
Content = content,
ContentType = contentType
};
return result;
}
/// <summary>
/// Creates a <see cref="JsonResult"/> object that serializes the specified <paramref name="data"/> object
/// to JSON.
/// </summary>
/// <param name="data">The object to serialize.</param>
/// <returns>The created <see cref="JsonResult"/> that serializes the specified <paramref name="data"/>
/// to JSON format for the response.</returns>
[NonAction]
public virtual JsonResult Json(object data)
{
var disposableValue = data as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new JsonResult(data);
}
/// <summary>
/// Creates a <see cref="JsonResult"/> object that serializes the specified <paramref name="data"/> object
/// to JSON.
/// </summary>
/// <param name="data">The object to serialize.</param>
/// <param name="serializerSettings">The <see cref="JsonSerializerSettings"/> to be used by
/// the formatter.</param>
/// <returns>The created <see cref="JsonResult"/> that serializes the specified <paramref name="data"/>
/// as JSON format for the response.</returns>
/// <remarks>Callers should cache an instance of <see cref="JsonSerializerSettings"/> to avoid
/// recreating cached data with each call.</remarks>
[NonAction]
public virtual JsonResult Json(object data, [NotNull] JsonSerializerSettings serializerSettings)
{
var disposableValue = data as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new JsonResult(data, serializerSettings);
}
/// <summary>
/// Creates a <see cref="RedirectResult"/> object that redirects to the specified <paramref name="url"/>.
/// </summary>
/// <param name="url">The URL to redirect to.</param>
/// <returns>The created <see cref="RedirectResult"/> for the response.</returns>
[NonAction]
public virtual RedirectResult Redirect(string url)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(url));
}
return new RedirectResult(url);
}
/// <summary>
/// Creates a <see cref="RedirectResult"/> object with <see cref="RedirectResult.Permanent"/> set to true
/// using the specified <paramref name="url"/>.
/// </summary>
/// <param name="url">The URL to redirect to.</param>
/// <returns>The created <see cref="RedirectResult"/> for the response.</returns>
[NonAction]
public virtual RedirectResult RedirectPermanent(string url)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentException(Resources.ArgumentCannotBeNullOrEmpty, nameof(url));
}
return new RedirectResult(url, permanent: true);
}
/// <summary>
/// Redirects to the specified action using the <paramref name="actionName"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToAction(string actionName)
{
return RedirectToAction(actionName, routeValues: null);
}
/// <summary>
/// Redirects to the specified action using the <paramref name="actionName"/>
/// and <paramref name="routeValues"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToAction(string actionName, object routeValues)
{
return RedirectToAction(actionName, controllerName: null, routeValues: routeValues);
}
/// <summary>
/// Redirects to the specified action using the <paramref name="actionName"/>
/// and the <paramref name="controllerName"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="controllerName">The name of the controller.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToAction(string actionName, string controllerName)
{
return RedirectToAction(actionName, controllerName, routeValues: null);
}
/// <summary>
/// Redirects to the specified action using the specified <paramref name="actionName"/>,
/// <paramref name="controllerName"/>, and <paramref name="routeValues"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="controllerName">The name of the controller.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToAction(string actionName, string controllerName,
object routeValues)
{
return new RedirectToActionResult(actionName, controllerName, PropertyHelper.ObjectToDictionary(routeValues))
{
UrlHelper = Url,
};
}
/// <summary>
/// Redirects to the specified action with <see cref="RedirectToActionResult.Permanent"/> set to true
/// using the specified <paramref name="actionName"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToActionPermanent(string actionName)
{
return RedirectToActionPermanent(actionName, routeValues: null);
}
/// <summary>
/// Redirects to the specified action with <see cref="RedirectToActionResult.Permanent"/> set to true
/// using the specified <paramref name="actionName"/> and <paramref name="routeValues"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToActionPermanent(string actionName, object routeValues)
{
return RedirectToActionPermanent(actionName, controllerName: null, routeValues: routeValues);
}
/// <summary>
/// Redirects to the specified action with <see cref="RedirectToActionResult.Permanent"/> set to true
/// using the specified <paramref name="actionName"/> and <paramref name="controllerName"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="controllerName">The name of the controller.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToActionPermanent(string actionName, string controllerName)
{
return RedirectToActionPermanent(actionName, controllerName, routeValues: null);
}
/// <summary>
/// Redirects to the specified action with <see cref="RedirectToActionResult.Permanent"/> set to true
/// using the specified <paramref name="actionName"/>, <paramref name="controllerName"/>,
/// and <paramref name="routeValues"/>.
/// </summary>
/// <param name="actionName">The name of the action.</param>
/// <param name="controllerName">The name of the controller.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToActionResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToActionResult RedirectToActionPermanent(string actionName, string controllerName,
object routeValues)
{
return new RedirectToActionResult(
actionName,
controllerName,
PropertyHelper.ObjectToDictionary(routeValues),
permanent: true)
{
UrlHelper = Url,
};
}
/// <summary>
/// Redirects to the specified route using the specified <paramref name="routeName"/>.
/// </summary>
/// <param name="routeName">The name of the route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoute(string routeName)
{
return RedirectToRoute(routeName, routeValues: null);
}
/// <summary>
/// Redirects to the specified route using the specified <paramref name="routeValues"/>.
/// </summary>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoute(object routeValues)
{
return RedirectToRoute(routeName: null, routeValues: routeValues);
}
/// <summary>
/// Redirects to the specified route using the specified <paramref name="routeName"/>
/// and <paramref name="routeValues"/>.
/// </summary>
/// <param name="routeName">The name of the route.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoute(string routeName, object routeValues)
{
return new RedirectToRouteResult(routeName, routeValues)
{
UrlHelper = Url,
};
}
/// <summary>
/// Redirects to the specified route with <see cref="RedirectToRouteResult.Permanent"/> set to true
/// using the specified <paramref name="routeName"/>.
/// </summary>
/// <param name="routeName">The name of the route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoutePermanent(string routeName)
{
return RedirectToRoutePermanent(routeName, routeValues: null);
}
/// <summary>
/// Redirects to the specified route with <see cref="RedirectToRouteResult.Permanent"/> set to true
/// using the specified <paramref name="routeValues"/>.
/// </summary>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoutePermanent(object routeValues)
{
return RedirectToRoutePermanent(routeName: null, routeValues: routeValues);
}
/// <summary>
/// Redirects to the specified route with <see cref="RedirectToRouteResult.Permanent"/> set to true
/// using the specified <paramref name="routeName"/> and <paramref name="routeValues"/>.
/// </summary>
/// <param name="routeName">The name of the route.</param>
/// <param name="routeValues">The parameters for a route.</param>
/// <returns>The created <see cref="RedirectToRouteResult"/> for the response.</returns>
[NonAction]
public virtual RedirectToRouteResult RedirectToRoutePermanent(string routeName, object routeValues)
{
return new RedirectToRouteResult(routeName, routeValues, permanent: true)
{
UrlHelper = Url,
};
}
/// <summary>
/// Returns a file with the specified <paramref name="fileContents" /> as content and the
/// specified <paramref name="contentType" /> as the Content-Type.
/// </summary>
/// <param name="fileContents">The file contents.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <returns>The created <see cref="FileContentResult"/> for the response.</returns>
[NonAction]
public virtual FileContentResult File(byte[] fileContents, string contentType)
{
return File(fileContents, contentType, fileDownloadName: null);
}
/// <summary>
/// Returns a file with the specified <paramref name="fileContents" /> as content, the
/// specified <paramref name="contentType" /> as the Content-Type and the
/// specified <paramref name="fileDownloadName" /> as the suggested file name.
/// </summary>
/// <param name="fileContents">The file contents.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <param name="fileDownloadName">The suggested file name.</param>
/// <returns>The created <see cref="FileContentResult"/> for the response.</returns>
[NonAction]
public virtual FileContentResult File(byte[] fileContents, string contentType, string fileDownloadName)
{
return new FileContentResult(fileContents, contentType) { FileDownloadName = fileDownloadName };
}
/// <summary>
/// Returns a file in the specified <paramref name="fileStream" /> with the
/// specified <paramref name="contentType" /> as the Content-Type.
/// </summary>
/// <param name="fileStream">The <see cref="Stream"/> with the contents of the file.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <returns>The created <see cref="FileStreamResult"/> for the response.</returns>
[NonAction]
public virtual FileStreamResult File(Stream fileStream, string contentType)
{
return File(fileStream, contentType, fileDownloadName: null);
}
/// <summary>
/// Returns a file in the specified <paramref name="fileStream" /> with the
/// specified <paramref name="contentType" /> as the Content-Type and the
/// specified <paramref name="fileDownloadName" /> as the suggested file name.
/// </summary>
/// <param name="fileStream">The <see cref="Stream"/> with the contents of the file.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <param name="fileDownloadName">The suggested file name.</param>
/// <returns>The created <see cref="FileStreamResult"/> for the response.</returns>
[NonAction]
public virtual FileStreamResult File(Stream fileStream, string contentType, string fileDownloadName)
{
if (fileStream != null)
{
Response.RegisterForDispose(fileStream);
}
return new FileStreamResult(fileStream, contentType) { FileDownloadName = fileDownloadName };
}
/// <summary>
/// Returns the file specified by <paramref name="fileName" /> with the
/// specified <paramref name="contentType" /> as the Content-Type.
/// </summary>
/// <param name="fileName">The <see cref="Stream"/> with the contents of the file.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <returns>The created <see cref="FilePathResult"/> for the response.</returns>
[NonAction]
public virtual FilePathResult File(string fileName, string contentType)
{
return File(fileName, contentType, fileDownloadName: null);
}
/// <summary>
/// Returns the file specified by <paramref name="fileName" /> with the
/// specified <paramref name="contentType" /> as the Content-Type and the
/// specified <paramref name="fileDownloadName" /> as the suggested file name.
/// </summary>
/// <param name="fileName">The <see cref="Stream"/> with the contents of the file.</param>
/// <param name="contentType">The Content-Type of the file.</param>
/// <param name="fileDownloadName">The suggested file name.</param>
/// <returns>The created <see cref="FilePathResult"/> for the response.</returns>
[NonAction]
public virtual FilePathResult File(string fileName, string contentType, string fileDownloadName)
{
return new FilePathResult(fileName, contentType) { FileDownloadName = fileDownloadName };
}
/// <summary>
/// Creates an <see cref="HttpUnauthorizedResult"/> that produces an Unauthorized (401) response.
/// </summary>
/// <returns>The created <see cref="HttpUnauthorizedResult"/> for the response.</returns>
[NonAction]
public virtual HttpUnauthorizedResult HttpUnauthorized()
{
return new HttpUnauthorizedResult();
}
/// <summary>
/// Creates an <see cref="HttpNotFoundResult"/> that produces a Not Found (404) response.
/// </summary>
/// <returns>The created <see cref="HttpNotFoundResult"/> for the response.</returns>
[NonAction]
public virtual HttpNotFoundResult HttpNotFound()
{
return new HttpNotFoundResult();
}
/// <summary>
/// Creates an <see cref="HttpNotFoundObjectResult"/> that produces a Not Found (404) response.
/// </summary>
/// <returns>The created <see cref="HttpNotFoundObjectResult"/> for the response.</returns>
[NonAction]
public virtual HttpNotFoundObjectResult HttpNotFound(object value)
{
var disposableValue = value as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new HttpNotFoundObjectResult(value);
}
/// <summary>
/// Creates an <see cref="BadRequestResult"/> that produces a Bad Request (400) response.
/// </summary>
/// <returns>The created <see cref="BadRequestResult"/> for the response.</returns>
[NonAction]
public virtual BadRequestResult HttpBadRequest()
{
return new BadRequestResult();
}
/// <summary>
/// Creates an <see cref="BadRequestObjectResult"/> that produces a Bad Request (400) response.
/// </summary>
/// <returns>The created <see cref="BadRequestObjectResult"/> for the response.</returns>
[NonAction]
public virtual BadRequestObjectResult HttpBadRequest(object error)
{
var disposableValue = error as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new BadRequestObjectResult(error);
}
/// <summary>
/// Creates an <see cref="BadRequestObjectResult"/> that produces a Bad Request (400) response.
/// </summary>
/// <returns>The created <see cref="BadRequestObjectResult"/> for the response.</returns>
[NonAction]
public virtual BadRequestObjectResult HttpBadRequest([NotNull] ModelStateDictionary modelState)
{
return new BadRequestObjectResult(modelState);
}
/// <summary>
/// Creates a <see cref="CreatedResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="uri">The URI at which the content has been created.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedResult"/> for the response.</returns>
[NonAction]
public virtual CreatedResult Created([NotNull] string uri, object value)
{
var disposableValue = value as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new CreatedResult(uri, value);
}
/// <summary>
/// Creates a <see cref="CreatedResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="uri">The URI at which the content has been created.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedResult"/> for the response.</returns>
[NonAction]
public virtual CreatedResult Created([NotNull] Uri uri, object value)
{
string location;
if (uri.IsAbsoluteUri)
{
location = uri.AbsoluteUri;
}
else
{
location = uri.GetComponents(UriComponents.SerializationInfoString, UriFormat.UriEscaped);
}
return Created(location, value);
}
/// <summary>
/// Creates a <see cref="CreatedAtActionResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="actionName">The name of the action to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtActionResult CreatedAtAction(string actionName, object value)
{
return CreatedAtAction(actionName, routeValues: null, value: value);
}
/// <summary>
/// Creates a <see cref="CreatedAtActionResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="actionName">The name of the action to use for generating the URL.</param>
/// <param name="routeValues">The route data to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtActionResult CreatedAtAction(string actionName, object routeValues, object value)
{
return CreatedAtAction(actionName, controllerName: null, routeValues: routeValues, value: value);
}
/// <summary>
/// Creates a <see cref="CreatedAtActionResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="actionName">The name of the action to use for generating the URL.</param>
/// <param name="controllerName">The name of the controller to use for generating the URL.</param>
/// <param name="routeValues">The route data to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtActionResult CreatedAtAction(string actionName,
string controllerName,
object routeValues,
object value)
{
var disposableValue = value as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new CreatedAtActionResult(actionName, controllerName, routeValues, value);
}
/// <summary>
/// Creates a <see cref="CreatedAtRouteResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="routeName">The name of the route to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtRouteResult CreatedAtRoute(string routeName, object value)
{
return CreatedAtRoute(routeName, routeValues: null, value: value);
}
/// <summary>
/// Creates a <see cref="CreatedAtRouteResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="routeValues">The route data to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtRouteResult CreatedAtRoute(object routeValues, object value)
{
return CreatedAtRoute(routeName: null, routeValues: routeValues, value: value);
}
/// <summary>
/// Creates a <see cref="CreatedAtRouteResult"/> object that produces a Created (201) response.
/// </summary>
/// <param name="routeName">The name of the route to use for generating the URL.</param>
/// <param name="routeValues">The route data to use for generating the URL.</param>
/// <param name="value">The content value to format in the entity body.</param>
/// <returns>The created <see cref="CreatedAtRouteResult"/> for the response.</returns>
[NonAction]
public virtual CreatedAtRouteResult CreatedAtRoute(string routeName, object routeValues, object value)
{
var disposableValue = value as IDisposable;
if (disposableValue != null)
{
Response.RegisterForDispose(disposableValue);
}
return new CreatedAtRouteResult(routeName, routeValues, value);
}
/// <summary>
/// Called before the action method is invoked.
/// </summary>
/// <param name="context">The action executing context.</param>
[NonAction]
public virtual void OnActionExecuting([NotNull] ActionExecutingContext context)
{
}
/// <summary>
/// Called after the action method is invoked.
/// </summary>
/// <param name="context">The action executed context.</param>
[NonAction]
public virtual void OnActionExecuted([NotNull] ActionExecutedContext context)
{
}
/// <summary>
/// Called before the action method is invoked.
/// </summary>
/// <param name="context">The action executing context.</param>
/// <param name="next">The <see cref="ActionExecutionDelegate"/> to execute. Invoke this delegate in the body
/// of <see cref="OnActionExecutionAsync" /> to continue execution of the action.</param>
/// <returns>A <see cref="Task"/> instance.</returns>
[NonAction]
public virtual async Task OnActionExecutionAsync(
[NotNull] ActionExecutingContext context,
[NotNull] ActionExecutionDelegate next)
{
OnActionExecuting(context);
if (context.Result == null)
{
OnActionExecuted(await next());
}
}
/// <summary>
/// Updates the specified <paramref name="model"/> instance using values from the controller's current
/// <see cref="IValueProvider"/>.
/// </summary>
/// <typeparam name="TModel">The type of the model object.</typeparam>
/// <param name="model">The model instance to update.</param>
/// <returns>A <see cref="Task"/> that on completion returns <c>true</c> if the update is successful</returns>
[NonAction]
public virtual Task<bool> TryUpdateModelAsync<TModel>([NotNull] TModel model)
where TModel : class
{
return TryUpdateModelAsync(model, prefix: string.Empty);
}
/// <summary>
/// Updates the specified <paramref name="model"/> instance using values from the controller's current
/// <see cref="IValueProvider"/> and a <paramref name="prefix"/>.
/// </summary>
/// <typeparam name="TModel">The type of the model object.</typeparam>