public PageActionInvoker(
IPageHandlerMethodSelector handlerMethodSelector,
DiagnosticSource diagnosticSource,
ILogger logger,
PageContext pageContext,
IFilterMetadata[] filterMetadata,
PageActionInvokerCacheEntry cacheEntry,
ParameterBinder parameterBinder,
ITempDataDictionaryFactory tempDataFactory,
HtmlHelperOptions htmlHelperOptions)
: base(
diagnosticSource,
logger,
pageContext,
filterMetadata,
pageContext.ValueProviderFactories)
{
_selector = handlerMethodSelector;
_pageContext = pageContext;
CacheEntry = cacheEntry;
_parameterBinder = parameterBinder;
_tempDataFactory = tempDataFactory;
_htmlHelperOptions = htmlHelperOptions;
_actionDescriptor = pageContext.ActionDescriptor;
}
public ViewContext GenerateViewContext <TModel>(
string viewName = default, TModel model = default, TextWriter writer = default,
object additionalViewData = default, HtmlHelperOptions options = default)
{
writer ??= new StringWriter();
var viewData = new ViewDataDictionary(_metadataProvider, _context.ModelState)
{
Model = model
};
// if additional view data was provided, add each property
if (additionalViewData != default)
{
foreach (var prop in additionalViewData.GetType().GetProperties())
{
viewData[prop.Name] = prop.GetValue(additionalViewData);
}
}
return(new ViewContext(
_context,
viewName != default ? FindView(viewName) : new FakeView(),
viewData,
_tempData,
writer,
options ?? new HtmlHelperOptions()
));
}
public async Task <string> Render(string viewPath, object model = null)
{
var httpContext = new DefaultHttpContext()
{
RequestServices = _serviceProvider
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
viewDataDictionary.Model = model;
using (var stringWriter = new StringWriter())
{
var view = this._razorViewEngine.GetView(string.Empty, viewPath, true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
return(result);
}
}
private static async Task <string> RenderView <TModel>(IRazorViewEngine razorViewEngine, ITempDataProvider tempDataProvider, HttpContext httpContext, string viewName, TModel model)
{
var routeData = ExtractRouteData(viewName);
var templateName = routeData.Values["action"].ToString();
var actionContext = new ActionContext(httpContext, routeData, new ActionDescriptor());
var viewEngineResult = razorViewEngine.FindView(actionContext, templateName, true);
if (false == viewEngineResult.Success)
{
// fail
var locations = String.Join(" ", viewEngineResult.SearchedLocations);
throw new Exception($"Could not find view with the name '{templateName}'. Looked in {locations}.");
}
else // Success
{
var view = viewEngineResult.View;
var viewDataDict = new ViewDataDictionary <TModel>(new EmptyModelMetadataProvider(), new ModelStateDictionary())
{
Model = model
};
var tempDataDict = new TempDataDictionary(actionContext.HttpContext, tempDataProvider);
var htmlHelperOptions = new HtmlHelperOptions();
using (var output = new StringWriter())
{
var viewContext = new ViewContext(actionContext, view, viewDataDict, tempDataDict, output, htmlHelperOptions);
await view.RenderAsync(viewContext);
return(output.ToString());
}
}
}
/// <summary>
/// Asynchronously renders the specified <paramref name="view"/> to the response body.
/// </summary>
/// <param name="view">The <see cref="IView"/> to render.</param>
/// <param name="actionContext">The <see cref="ActionContext"/> for the current executing action.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/> for the view being rendered.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/> for the view being rendered.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous rendering.</returns>
public static async Task ExecuteAsync([NotNull] IView view,
[NotNull] ActionContext actionContext,
[NotNull] ViewDataDictionary viewData,
[NotNull] ITempDataDictionary tempData,
[NotNull] HtmlHelperOptions htmlHelperOptions,
MediaTypeHeaderValue contentType)
{
var response = actionContext.HttpContext.Response;
contentType = contentType ?? DefaultContentType;
if (contentType.Encoding == null)
{
// Do not modify the user supplied content type, so copy it instead
contentType = contentType.Copy();
contentType.Encoding = Encoding.UTF8;
}
response.ContentType = contentType.ToString();
using (var writer = new HttpResponseStreamWriter(response.Body, contentType.Encoding))
{
var viewContext = new ViewContext(
actionContext,
view,
viewData,
tempData,
writer,
htmlHelperOptions);
await view.RenderAsync(viewContext);
}
}
public void GenerateTextBox_AlwaysUsesCultureSpecificFormatting_WhenOptionIsSet(string type, Html5DateRenderingMode dateRenderingMode, bool shouldUseInvariantFormatting)
{
// Arrange
var metadataProvider = new TestModelMetadataProvider();
var htmlHelperOptions = new HtmlHelperOptions()
{
Html5DateRenderingMode = dateRenderingMode,
FormInputRenderMode = FormInputRenderMode.AlwaysUseCurrentCulture,
};
var htmlGenerator = GetGenerator(metadataProvider, new() { HtmlHelperOptions = htmlHelperOptions });
var viewContext = GetViewContext <Model>(model: null, metadataProvider, htmlHelperOptions);
var expression = nameof(Model.Name);
var modelMetadata = metadataProvider.GetMetadataForProperty(typeof(Model), expression);
var modelExplorer = new ModelExplorer(metadataProvider, modelMetadata, null);
var htmlAttributes = new Dictionary <string, object>
{
{ "name", "testElement" },
{ "type", type },
};
// Act
_ = htmlGenerator.GenerateTextBox(viewContext, modelExplorer, expression, null, null, htmlAttributes);
// Assert
var didForceInvariantFormatting = viewContext.FormContext.InvariantField(expression);
Assert.False(didForceInvariantFormatting);
}
public PageActionInvokerProvider(
IPageLoader loader,
IPageFactoryProvider pageFactoryProvider,
IPageModelFactoryProvider modelFactoryProvider,
IRazorPageFactoryProvider razorPageFactoryProvider,
IActionDescriptorCollectionProvider collectionProvider,
IEnumerable <IFilterProvider> filterProviders,
ParameterBinder parameterBinder,
IModelMetadataProvider modelMetadataProvider,
ITempDataDictionaryFactory tempDataFactory,
IOptions <MvcOptions> mvcOptions,
IOptions <HtmlHelperOptions> htmlHelperOptions,
IPageHandlerMethodSelector selector,
RazorProject razorProject,
DiagnosticSource diagnosticSource,
ILoggerFactory loggerFactory)
{
_loader = loader;
_pageFactoryProvider = pageFactoryProvider;
_modelFactoryProvider = modelFactoryProvider;
_razorPageFactoryProvider = razorPageFactoryProvider;
_collectionProvider = collectionProvider;
_filterProviders = filterProviders.ToArray();
_valueProviderFactories = mvcOptions.Value.ValueProviderFactories.ToArray();
_parameterBinder = parameterBinder;
_modelMetadataProvider = modelMetadataProvider;
_tempDataFactory = tempDataFactory;
_htmlHelperOptions = htmlHelperOptions.Value;
_selector = selector;
_razorProject = razorProject;
_diagnosticSource = diagnosticSource;
_logger = loggerFactory.CreateLogger <PageActionInvoker>();
}
public PageActionInvoker(
IPageHandlerMethodSelector handlerMethodSelector,
DiagnosticListener diagnosticListener,
ILogger logger,
IActionContextAccessor actionContextAccessor,
IActionResultTypeMapper mapper,
PageContext pageContext,
IFilterMetadata[] filterMetadata,
PageActionInvokerCacheEntry cacheEntry,
ITempDataDictionaryFactory tempDataFactory,
HtmlHelperOptions htmlHelperOptions)
: base(
diagnosticListener,
logger,
actionContextAccessor,
mapper,
pageContext,
filterMetadata,
pageContext.ValueProviderFactories)
{
_selector = handlerMethodSelector;
_pageContext = pageContext;
CacheEntry = cacheEntry;
_tempDataFactory = tempDataFactory;
_htmlHelperOptions = htmlHelperOptions;
_actionDescriptor = pageContext.ActionDescriptor;
}
public PageContext(
ActionContext actionContext,
ViewDataDictionary viewData,
ITempDataDictionary tempDataDictionary,
HtmlHelperOptions htmlHelperOptions)
: base(actionContext, NullView.Instance, viewData, tempDataDictionary, TextWriter.Null, htmlHelperOptions)
{
}
public ViewContext(ActionContext actionContext, IView view, ViewDataDictionary viewData,
ITempDataDictionary tempData, TextWriter writer, HtmlHelperOptions htmlHelperOptions,
IDocument document, IExecutionContext executionContext)
: base(actionContext, view, viewData, tempData, writer, htmlHelperOptions)
{
viewData[ViewDataKeys.WyamDocument] = document;
viewData[ViewDataKeys.WyamExecutionContext] = executionContext;
}
public HtmlHelperGeneratorService(IHtmlGenerator htmlGenerator, ICompositeViewEngine compositeViewEngine, IModelMetadataProvider modelMetadataProvider, IViewBufferScope viewBufferScope, IActionContextAccessor actionContextAccessor, ITempDataProvider tempDataProvider, IOptions <MvcViewOptions> options)
{
_htmlGenerator = htmlGenerator;
_compositeViewEngine = compositeViewEngine;
_modelMetadataProvider = modelMetadataProvider;
_viewBufferScope = viewBufferScope;
_actionContextAccessor = actionContextAccessor;
_tempDataProvider = tempDataProvider;
_htmlHelperOptions = options.Value.HtmlHelperOptions;
}
public string Render(HttpContext context, string layout, string viewName, object model = null, Dictionary <string, object> viewData = null)
{
ActionContext actionContext = new ActionContext(context, new RouteData(), new ActionDescriptor());
using (var sw = new StringWriter())
{
RazorPageResult viewResult = _razorViewEngine.FindPage(actionContext, viewName);
viewResult.Page.Layout = layout;
if (viewResult.Page == null)
{
throw new Exception($"{viewName} does not match any available view");
}
var viewDictionary = new ViewDataDictionary(new EmptyModelMetadataProvider(), new ModelStateDictionary());
if (model != null)
{
viewDictionary.Model = model;
}
if (viewData != null)
{
foreach (var item in viewData)
{
viewDictionary[item.Key] = item.Value;
}
}
var opts = new HtmlHelperOptions();
var viewContext = new ViewContext();
//var viewContext = new ViewContext(
// actionContext,
// null,
// viewDictionary,
// new TempDataDictionary(actionContext.HttpContext, _tempDataProvider),
// sw,
// opts
//);
viewResult.Page.ViewContext = new ViewContext();
viewResult.Page.ViewContext.View.RenderAsync(viewContext);
Task.WaitAll(viewResult.Page.ExecuteAsync());
viewResult.Page.ViewContext.ViewData = viewDictionary;
viewResult.Page.ViewContext.Writer = sw;
Task.WaitAll(viewResult.Page.ViewContext.View.RenderAsync(viewContext));
return(sw.ToString());
}
}
private static async Task HandlePostAsync(Post post, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine, string type)
{
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
viewDataDictionary.Model = post;
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/{type}.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
var directory = Path.Combine(options.OutputDirectory, post.Slug);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
await DownloadImagesFromPostAsync(post.HTML, settings, options);
if (type == "post")
{
//amp it
view = engine.GetView(".", $"/Templates/post-amp.cshtml", true);
viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
await view.View.RenderAsync(viewContext);
result = stringWriter.ToString();
directory = Path.Combine(directory, "amp");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
}
}
public string RenderPartial(HttpContext context, string viewName, object model = null, Dictionary <string, object> viewData = null)
{
ActionContext actionContext = new ActionContext(context, new RouteData(), new ActionDescriptor());
using (var sw = new StringWriter())
{
using (var c = SW.Measure())
{
ViewEngineResult viewResult = _razorViewEngine.FindView(actionContext, viewName, false);
if (viewResult.View == null)
{
throw new Exception($"{viewName} does not match any available view");
}
var viewDictionary = new ViewDataDictionary(new EmptyModelMetadataProvider(), new ModelStateDictionary());
if (model != null)
{
viewDictionary.Model = model;
}
if (viewData != null)
{
foreach (var item in viewData)
{
viewDictionary[item.Key] = item.Value;
}
}
var opts = new HtmlHelperOptions();
var viewContext = new ViewContext(
actionContext,
viewResult.View,
viewDictionary,
new TempDataDictionary(actionContext.HttpContext, _tempDataProvider),
sw,
opts
);
var t = RenderAsync(viewResult, viewContext);
t.Wait();
if (t.Result.Code != 200)
{
throw new CodeShellHttpException(t.Result);
}
return(sw.ToString());
}
}
}
/// <summary>
/// Initializes a new instance of <see cref="ViewContext"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/>.</param>
/// <param name="view">The <see cref="IView"/> being rendered.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/>.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/>.</param>
/// <param name="writer">The <see cref="TextWriter"/> to render output to.</param>
/// <param name="htmlHelperOptions">The <see cref="HtmlHelperOptions"/> to apply to this instance.</param>
public ViewContext(
ActionContext actionContext,
IView view,
ViewDataDictionary viewData,
ITempDataDictionary tempData,
TextWriter writer,
HtmlHelperOptions htmlHelperOptions)
: base(actionContext)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (view == null)
{
throw new ArgumentNullException(nameof(view));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
if (tempData == null)
{
throw new ArgumentNullException(nameof(tempData));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (htmlHelperOptions == null)
{
throw new ArgumentNullException(nameof(htmlHelperOptions));
}
View = view;
ViewData = viewData;
TempData = tempData;
Writer = writer;
FormContext = new FormContext();
ClientValidationEnabled = htmlHelperOptions.ClientValidationEnabled;
Html5DateRenderingMode = htmlHelperOptions.Html5DateRenderingMode;
ValidationSummaryMessageElement = htmlHelperOptions.ValidationSummaryMessageElement;
ValidationMessageElement = htmlHelperOptions.ValidationMessageElement;
CheckBoxHiddenInputRenderMode = htmlHelperOptions.CheckBoxHiddenInputRenderMode;
}
protected TestViewContext(
TestActionContext actionContext,
Mock <IView> view,
ViewDataDictionary <T> viewData,
Mock <ITempDataDictionary> tempData,
HtmlHelperOptions options)
: base(actionContext, view.Object, viewData, tempData.Object, new StringWriter(), options)
{
ActionContext = actionContext;
MockView = view;
MockTempData = tempData;
Options = options;
}
/// <summary>
/// Initializes a new instance of <see cref="ViewContext"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/>.</param>
/// <param name="view">The <see cref="IView"/> being rendered.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/>.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/>.</param>
/// <param name="writer">The <see cref="TextWriter"/> to render output to.</param>
public ViewContext(
ActionContext actionContext,
IView view,
ViewDataDictionary viewData,
ITempDataDictionary tempData,
TextWriter writer,
HtmlHelperOptions htmlHelperOptions)
: base(actionContext)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (view == null)
{
throw new ArgumentNullException(nameof(view));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
if (tempData == null)
{
throw new ArgumentNullException(nameof(tempData));
}
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (htmlHelperOptions == null)
{
throw new ArgumentNullException(nameof(htmlHelperOptions));
}
View = view;
ViewData = viewData;
TempData = tempData;
Writer = writer;
_formContext = _defaultFormContext;
ClientValidationEnabled = htmlHelperOptions.ClientValidationEnabled;
Html5DateRenderingMode = htmlHelperOptions.Html5DateRenderingMode;
ValidationSummaryMessageElement = htmlHelperOptions.ValidationSummaryMessageElement;
ValidationMessageElement = htmlHelperOptions.ValidationMessageElement;
}
/// <summary>
/// Asynchronously renders the specified <paramref name="view"/> to the response body.
/// </summary>
/// <param name="view">The <see cref="IView"/> to render.</param>
/// <param name="actionContext">The <see cref="ActionContext"/> for the current executing action.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/> for the view being rendered.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/> for the view being rendered.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous rendering.</returns>
public static async Task ExecuteAsync([NotNull] IView view,
[NotNull] ActionContext actionContext,
[NotNull] ViewDataDictionary viewData,
[NotNull] ITempDataDictionary tempData,
[NotNull] HtmlHelperOptions htmlHelperOptions,
MediaTypeHeaderValue contentType)
{
var response = actionContext.HttpContext.Response;
var contentTypeHeader = contentType;
Encoding encoding;
if (contentTypeHeader == null)
{
contentTypeHeader = DefaultContentType;
encoding = Encodings.UTF8EncodingWithoutBOM;
}
else
{
if (contentTypeHeader.Encoding == null)
{
// 1. Do not modify the user supplied content type
// 2. Parse here to handle parameters apart from charset
contentTypeHeader = MediaTypeHeaderValue.Parse(contentTypeHeader.ToString());
contentTypeHeader.Encoding = Encodings.UTF8EncodingWithoutBOM;
encoding = Encodings.UTF8EncodingWithoutBOM;
}
else
{
encoding = contentTypeHeader.Encoding;
}
}
response.ContentType = contentTypeHeader.ToString();
using (var writer = new HttpResponseStreamWriter(response.Body, encoding))
{
var viewContext = new ViewContext(
actionContext,
view,
viewData,
tempData,
writer,
htmlHelperOptions);
await view.RenderAsync(viewContext);
}
}
public async Task <string> RenderViewToStringAsync <TModel>(string viewName, TModel model)
{
var actionContext = GetActionContext();
var view = FindView(viewName);
var viewData = new ViewDataDictionary <TModel>(new EmptyModelMetadataProvider(), new ModelStateDictionary())
{
Model = model
};
var tempData = new TempDataDictionary(actionContext.HttpContext, tempDataProvider);
var htmlHelperOptions = new HtmlHelperOptions();
var output = new StringWriter();
var viewContext = new ViewContext(actionContext, view, viewData, tempData, output, htmlHelperOptions);
await view.RenderAsync(viewContext);
return(output.ToString());
}
public ViewComponentResultExecutor(
IOptions<MvcViewOptions> mvcHelperOptions,
IViewComponentHelper viewComponentHelper,
ILoggerFactory loggerFactory,
HtmlEncoder htmlEncoder,
IModelMetadataProvider modelMetadataProvider,
ITempDataDictionaryFactory tempDataDictionaryFactory)
{
if (mvcHelperOptions == null)
{
throw new ArgumentNullException(nameof(mvcHelperOptions));
}
if (viewComponentHelper == null)
{
throw new ArgumentNullException(nameof(viewComponentHelper));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
if (htmlEncoder == null)
{
throw new ArgumentNullException(nameof(htmlEncoder));
}
if (modelMetadataProvider == null)
{
throw new ArgumentNullException(nameof(modelMetadataProvider));
}
if (tempDataDictionaryFactory == null)
{
throw new ArgumentNullException(nameof(tempDataDictionaryFactory));
}
_htmlHelperOptions = mvcHelperOptions.Value.HtmlHelperOptions;
_viewComponentHelper = viewComponentHelper;
_logger = loggerFactory.CreateLogger<ViewComponentResult>();
_htmlEncoder = htmlEncoder;
_modelMetadataProvider = modelMetadataProvider;
_tempDataDictionaryFactory = tempDataDictionaryFactory;
}
public ViewComponentResultExecutor(
IOptions <MvcViewOptions> mvcHelperOptions,
IViewComponentHelper viewComponentHelper,
ILoggerFactory loggerFactory,
HtmlEncoder htmlEncoder,
IModelMetadataProvider modelMetadataProvider,
ITempDataDictionaryFactory tempDataDictionaryFactory)
{
if (mvcHelperOptions == null)
{
throw new ArgumentNullException(nameof(mvcHelperOptions));
}
if (viewComponentHelper == null)
{
throw new ArgumentNullException(nameof(viewComponentHelper));
}
if (loggerFactory == null)
{
throw new ArgumentNullException(nameof(loggerFactory));
}
if (htmlEncoder == null)
{
throw new ArgumentNullException(nameof(htmlEncoder));
}
if (modelMetadataProvider == null)
{
throw new ArgumentNullException(nameof(modelMetadataProvider));
}
if (tempDataDictionaryFactory == null)
{
throw new ArgumentNullException(nameof(tempDataDictionaryFactory));
}
_htmlHelperOptions = mvcHelperOptions.Value.HtmlHelperOptions;
_viewComponentHelper = viewComponentHelper;
_logger = loggerFactory.CreateLogger <ViewComponentResult>();
_htmlEncoder = htmlEncoder;
_modelMetadataProvider = modelMetadataProvider;
_tempDataDictionaryFactory = tempDataDictionaryFactory;
}
public MvcOptions()
{
Conventions = new List <IApplicationModelConvention>();
ModelBinders = new List <IModelBinder>();
ViewEngines = new List <ViewEngineDescriptor>();
ValueProviderFactories = new List <IValueProviderFactory>();
OutputFormatters = new List <IOutputFormatter>();
InputFormatters = new List <IInputFormatter>();
Filters = new List <IFilter>();
FormatterMappings = new FormatterMappings();
ValidationExcludeFilters = new List <IExcludeTypeValidationFilter>();
ModelMetadataDetailsProviders = new List <IMetadataDetailsProvider>();
ModelValidatorProviders = new List <IModelValidatorProvider>();
ClientModelValidatorProviders = new List <IClientModelValidatorProvider>();
CacheProfiles = new Dictionary <string, CacheProfile>(StringComparer.OrdinalIgnoreCase);
HtmlHelperOptions = new HtmlHelperOptions();
SerializerSettings = SerializerSettingsProvider.CreateSerializerSettings();
}
public static ViewContext Create(string requestPathBase = null)
{
var serviceProvider = ServiceProviderTestFactory.Create();
HttpContext httpContext = new DefaultHttpContext {
RequestServices = serviceProvider
};
//var request = new DefaultHttpRequest(httpContext)
//{
// Host = new HostString(Domain),
// PathBase = "/testpathbase",
// Path = "/testpath",
// QueryString = new QueryString("?testquery=123&test=ABC"),
// Scheme = "https"
//};
if (requestPathBase != null)
{
//request.PathBase = new PathString(requestPathBase);
}
//httpContext = request.HttpContext;
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor);
var viewData = new ViewDataDictionary(new EmptyModelMetadataProvider(), new ModelStateDictionary());
var htmlHelperOptions = new HtmlHelperOptions();
var viewContext = new ViewContext(
actionContext,
Mock.Of <IView>(),
viewData,
Mock.Of <ITempDataDictionary>(),
TextWriter.Null,
htmlHelperOptions);
return(viewContext);
}
/// <summary>
/// Initializes a new instance of <see cref="ViewContext"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/>.</param>
/// <param name="view">The <see cref="IView"/> being rendered.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/>.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/>.</param>
/// <param name="writer">The <see cref="TextWriter"/> to render output to.</param>
public ViewContext(
[NotNull] ActionContext actionContext,
[NotNull] IView view,
[NotNull] ViewDataDictionary viewData,
[NotNull] ITempDataDictionary tempData,
[NotNull] TextWriter writer,
[NotNull] HtmlHelperOptions htmlHelperOptions)
: base(actionContext)
{
View = view;
ViewData = viewData;
TempData = tempData;
Writer = writer;
_formContext = _defaultFormContext;
ClientValidationEnabled = htmlHelperOptions.ClientValidationEnabled;
Html5DateRenderingMode = htmlHelperOptions.Html5DateRenderingMode;
ValidationSummaryMessageElement = htmlHelperOptions.ValidationSummaryMessageElement;
ValidationMessageElement = htmlHelperOptions.ValidationMessageElement;
}
public MvcViewTestContext(ActionContext actionContext, IModelMetadataProvider modelMetadataProvider, IHtmlGenerator htmlGenerator)
{
ViewData = new ViewDataDictionary <TModel>(modelMetadataProvider, new ModelStateDictionary());
View = new NullView();
Writer = Substitute.For <TextWriter>();
TempData = new TempDataDictionary(actionContext.HttpContext, new TempDataProviderMock());
var htmlHelperOptions = new HtmlHelperOptions();
htmlHelperOptions.ClientValidationEnabled = true;
ViewContext = new ViewContext(actionContext, View, ViewData, TempData, Writer, htmlHelperOptions);
HtmlHelper = new HtmlHelper <TModel>(
htmlGenerator,
TestApplication.Services.GetRequiredService <ICompositeViewEngine>(),
TestApplication.Services.GetRequiredService <IModelMetadataProvider>(),
TestApplication.Services.GetRequiredService <IViewBufferScope>(),
HtmlEncoder.Default,
UrlEncoder.Default,
new ModelExpressionProvider(TestApplication.Services.GetRequiredService <IModelMetadataProvider>()));
HtmlHelper.Contextualize(ViewContext);
}
public async Task <string> RenderViewToStringAsync <TModel>(string viewLocation, TModel model)
{
var httpContext = new DefaultHttpContext {
RequestServices = _serviceProvider
};
//HttpContext httpContext = _accessor.HttpContext;
//httpContext.RequestServices = _serviceProvider;
ActionContext actionContext = new ActionContext(httpContext, new RouteData(), new ActionDescriptor());
IView view = FindView(actionContext, viewLocation);
using (StringWriter stringWriter = new StringWriter())
{
ViewDataDictionary <TModel> viewDataDictionary = new ViewDataDictionary <TModel>(
new EmptyModelMetadataProvider(),
new ModelStateDictionary());
viewDataDictionary.Model = model;
TempDataDictionary tempDataDictionary = new TempDataDictionary(
actionContext.HttpContext,
_tempDataProvider);
HtmlHelperOptions htmlHelperOptions = new HtmlHelperOptions();
ViewContext viewContext = new ViewContext(
actionContext,
view,
viewDataDictionary,
tempDataDictionary,
stringWriter,
htmlHelperOptions);
//viewContext.RouteData = _accessor.HttpContext.GetRouteData();
await view.RenderAsync(viewContext);
return(stringWriter.ToString());
}
}
public PageActionInvokerProvider(
IPageLoader loader,
IPageFactoryProvider pageFactoryProvider,
IPageModelFactoryProvider modelFactoryProvider,
IRazorPageFactoryProvider razorPageFactoryProvider,
IActionDescriptorCollectionProvider collectionProvider,
IEnumerable <IFilterProvider> filterProviders,
ParameterBinder parameterBinder,
IModelMetadataProvider modelMetadataProvider,
IModelBinderFactory modelBinderFactory,
ITempDataDictionaryFactory tempDataFactory,
IOptions <MvcOptions> mvcOptions,
IOptions <HtmlHelperOptions> htmlHelperOptions,
IPageHandlerMethodSelector selector,
DiagnosticListener diagnosticListener,
ILoggerFactory loggerFactory,
IActionResultTypeMapper mapper,
IActionContextAccessor actionContextAccessor)
{
_loader = loader;
_pageFactoryProvider = pageFactoryProvider;
_modelFactoryProvider = modelFactoryProvider;
_modelBinderFactory = modelBinderFactory;
_razorPageFactoryProvider = razorPageFactoryProvider;
_collectionProvider = collectionProvider;
_filterProviders = filterProviders.ToArray();
_valueProviderFactories = mvcOptions.Value.ValueProviderFactories.ToArray();
_parameterBinder = parameterBinder;
_modelMetadataProvider = modelMetadataProvider;
_tempDataFactory = tempDataFactory;
_mvcOptions = mvcOptions.Value;
_htmlHelperOptions = htmlHelperOptions.Value;
_selector = selector;
_diagnosticListener = diagnosticListener;
_logger = loggerFactory.CreateLogger <PageActionInvoker>();
_mapper = mapper;
_actionContextAccessor = actionContextAccessor ?? ActionContextAccessor.Null;
}
/// <summary>
/// Renders Razor View or Partial View to the output.
/// </summary>
public static Task RenderPartialAsync(this HttpContext context, TextWriter output,
string viewName, object model = null,
ViewDataDictionary viewdata = null,
IViewEngine viewEngine = null,
ITempDataDictionaryFactory tmpdataFactory = null,
HtmlHelperOptions htmlOptions = null)
{
// dummy router:
var routedata = new RouteData();
routedata.Routers.Add(new PhpScriptRouter());
// find the view:
var action = new ActionContext(context, routedata, new ActionDescriptor());
viewEngine ??= context.RequestServices.GetService <ICompositeViewEngine>() ?? context.RequestServices.GetService <IViewEngine>();
var view = viewEngine.FindView(action, viewName, isMainPage: false);
if (view.Success)
{
// render the view:
tmpdataFactory ??= context.RequestServices.GetService <ITempDataDictionaryFactory>();
viewdata ??= new ViewDataDictionary(new EmptyModelMetadataProvider(), new ModelStateDictionary());
var viewctx = new ViewContext(action, view.View,
new CustomViewDataDictionary(viewdata, model, model != null ? model.GetType() : typeof(object)),
tmpdataFactory.GetTempData(context),
output,
htmlOptions ?? new HtmlHelperOptions {
});
return(view.View.RenderAsync(viewctx));
}
else
{
throw new ArgumentException(nameof(viewName));
}
}
/// <summary>
/// Asynchronously renders the specified <paramref name="view"/> to the response body.
/// </summary>
/// <param name="view">The <see cref="IView"/> to render.</param>
/// <param name="actionContext">The <see cref="ActionContext"/> for the current executing action.</param>
/// <param name="viewData">The <see cref="ViewDataDictionary"/> for the view being rendered.</param>
/// <param name="tempData">The <see cref="ITempDataDictionary"/> for the view being rendered.</param>
/// <returns>A <see cref="Task"/> that represents the asynchronous rendering.</returns>
public static async Task ExecuteAsync(
IView view,
ActionContext actionContext,
ViewDataDictionary viewData,
ITempDataDictionary tempData,
HtmlHelperOptions htmlHelperOptions,
MediaTypeHeaderValue contentType)
{
if (view == null)
{
throw new ArgumentNullException(nameof(view));
}
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (viewData == null)
{
throw new ArgumentNullException(nameof(viewData));
}
if (tempData == null)
{
throw new ArgumentNullException(nameof(tempData));
}
if (htmlHelperOptions == null)
{
throw new ArgumentNullException(nameof(htmlHelperOptions));
}
var response = actionContext.HttpContext.Response;
if (contentType != null && contentType.Encoding == null)
{
// Do not modify the user supplied content type, so copy it instead
contentType = contentType.Copy();
contentType.Encoding = Encoding.UTF8;
}
// Priority list for setting content-type:
// 1. passed in contentType (likely set by the user on the result)
// 2. response.ContentType (likely set by the user in controller code)
// 3. ViewExecutor.DefaultContentType (sensible default)
response.ContentType = contentType?.ToString() ?? response.ContentType ?? DefaultContentType.ToString();
using (var writer = new HttpResponseStreamWriter(response.Body, contentType?.Encoding ?? DefaultContentType.Encoding))
{
var viewContext = new ViewContext(
actionContext,
view,
viewData,
tempData,
writer,
htmlHelperOptions);
await view.RenderAsync(viewContext);
// Invoke FlushAsync to ensure any buffered content is asynchronously written to the underlying
// response. In the absence of this line, the buffer gets synchronously written to the response
// as part of the Dispose which has a perf impact.
await writer.FlushAsync();
}
}
private static async Task HandleIndexPageAsync(Post[] posts, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine)
{
var postsToDisplay = 27;
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
var imageDirectory = Path.Combine(options.OutputDirectory, "content", "images", "index");
var index = new IndexPage
{
Options = options,
Settings = settings
};
posts = posts.OrderByDescending(x => x.PublishedAt).ToArray();
if (!Directory.Exists(imageDirectory))
{
Directory.CreateDirectory(imageDirectory);
}
if (!string.IsNullOrWhiteSpace(settings.CoverImage))
{
using var client = new HttpClient();
var imageResult = await client.GetAsync(new Uri(options.GhostUrl, settings.CoverImage));
if (imageResult.IsSuccessStatusCode)
{
using var imageStream = await imageResult.Content.ReadAsStreamAsync();
using var memoryStream = new MemoryStream();
await imageStream.CopyToAsync(memoryStream);
var widths = new[] { 600, 1000, 2000 };
foreach (var width in widths)
{
memoryStream.Position = 0;
using var image = await Image.LoadAsync(memoryStream);
index.ImageHeight = image.Height;
index.ImageWidth = image.Width;
image.Mutate(context => context.Resize(width, 0));
await image.SaveAsPngAsync(Path.Combine(imageDirectory, width + ".png"));
}
}
}
viewDataDictionary.Model = index;
var batch = 1;
while (posts.Length > 0)
{
var directory = options.OutputDirectory;
if (batch > 1)
{
directory = Path.Combine(directory, "index", batch.ToString());
}
if (batch == 1)
{
index.Previous = null;
}
else if (batch == 2)
{
index.Previous = "/";
}
else
{
index.Previous = "/index/" + (batch - 1) + "/";
}
if (posts.Length > postsToDisplay)
{
index.Next = "/index/" + (batch + 1) + "/";
}
else
{
index.Next = null;
}
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/index.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
index.PostsToDisplay = posts.Take(postsToDisplay).ToArray();
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
posts = posts.Skip(postsToDisplay).ToArray();
batch++;
}
}
private static async Task HandleTagAsync(Tag tag, Post[] posts, Settings settings, TemplatingOptions options, IServiceProvider services, IRazorViewEngine engine)
{
var postsToDisplay = 27;
var httpContext = new DefaultHttpContext {
RequestServices = services
};
var routeData = new RouteData();
var actionDescriptor = new ActionDescriptor();
var modelStateDictionary = new ModelStateDictionary();
var modelMetadataProvider = new EmptyModelMetadataProvider();
var tempDataProvider = new VirtualTempDataProvider();
var htmlHelperOptions = new HtmlHelperOptions();
posts = posts.Where(x => x.Tags.Any(x => x.Id == tag.Id)).OrderByDescending(x => x.PublishedAt).ToArray();
tag.PostCount = posts.Length;
var actionContext = new ActionContext(httpContext, routeData, actionDescriptor, modelStateDictionary);
var viewDataDictionary = new ViewDataDictionary(modelMetadataProvider, modelStateDictionary);
var tempDataDictionary = new TempDataDictionary(httpContext, tempDataProvider);
viewDataDictionary.Model = tag;
var batch = 1;
while (posts.Length > 0)
{
var directory = Path.Combine(options.OutputDirectory, "tag", tag.Slug);
if (batch > 1)
{
directory = Path.Combine(directory, batch.ToString());
}
if (batch == 1)
{
tag.Previous = null;
}
else if (batch == 2)
{
tag.Previous = tag.Url;
}
else
{
tag.Previous = tag.Url + (batch - 1) + "/";
}
if (posts.Length > postsToDisplay)
{
tag.Next = tag.Url + (batch + 1) + "/";
}
else
{
tag.Next = null;
}
using (var stringWriter = new StringWriter())
{
var view = engine.GetView(".", $"/Templates/tag.cshtml", true);
var viewContext = new ViewContext(actionContext, view.View, viewDataDictionary, tempDataDictionary, stringWriter, htmlHelperOptions);
tag.PostsToDisplay = posts.Take(postsToDisplay).ToArray();
await view.View.RenderAsync(viewContext);
var result = stringWriter.ToString();
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllText(Path.Combine(directory, "index.html"), result);
}
posts = posts.Skip(postsToDisplay).ToArray();
batch++;
}
}
public static async Task <IHtmlContent> RenderActionAsync(this HttpContext context, string action, string controller, string area, object?[]?parameters = null, ViewContext?existingViewContext = null)
{
if (action is null)
{
throw new ArgumentNullException(nameof(action));
}
if (controller is null)
{
throw new ArgumentNullException(nameof(controller));
}
HttpContext currentHttpContext = existingViewContext?.HttpContext ?? context;
parameters ??= Array.Empty <object>();
// fetching required services for invocation
IHttpContextFactory httpContextFactory = GetServiceOrFail <IHttpContextFactory>(currentHttpContext);
HttpContext newHttpContext = httpContextFactory.Create(currentHttpContext.Features);
IActionInvokerFactory actionInvokerFactory = GetServiceOrFail <IActionInvokerFactory>(newHttpContext);
IActionDescriptorCollectionProvider actionSelector = GetServiceOrFail <IActionDescriptorCollectionProvider>(newHttpContext);
// creating new action invocation context
RouteData routeData = new RouteData();
RouteValueDictionary routeValues = new RouteValueDictionary(new { area, controller, action });
IRazorViewEngine ViewEngine = GetServiceOrFail <IRazorViewEngine>(newHttpContext);
newHttpContext.Response.Body = new MemoryStream();
routeData.PushState(null, routeValues, null);
Microsoft.AspNetCore.Mvc.Abstractions.ActionDescriptor actionDescriptor = actionSelector.ActionDescriptors.Items.First(i => i.RouteValues["Controller"] == controller && i.RouteValues["Action"] == action);
ActionContext actionContext = new ActionContext(newHttpContext, routeData, actionDescriptor);
//We're not invoking this using an invoker beacause it doesn't support as many object types as parameters.
IControllerFactory cf = GetServiceOrFail <IControllerFactory>(newHttpContext);
//build the controller
Controller c = (Controller)cf.CreateController(new ControllerContext(actionContext));
//call the action to build the information required to fill the view
ViewResult?viewResult = c.GetType()?.GetMethod(action)?.Invoke(c, parameters) as ViewResult;
//Find the view the action says it uses
ViewEngineResult result = ViewEngine.FindView(actionContext, viewResult?.ViewName ?? action, false);
string htmlContent = string.Empty;
using (StringWriter output = new StringWriter())
{
HtmlHelperOptions options;
if (existingViewContext != null)
{
options = new HtmlHelperOptions()
{
ClientValidationEnabled = existingViewContext.ClientValidationEnabled,
Html5DateRenderingMode = existingViewContext.Html5DateRenderingMode,
ValidationSummaryMessageElement = existingViewContext.ValidationSummaryMessageElement,
ValidationMessageElement = existingViewContext.ValidationMessageElement
};
}
else
{
options = new HtmlHelperOptions()
{
ClientValidationEnabled = true,
Html5DateRenderingMode = Html5DateRenderingMode.CurrentCulture,
ValidationSummaryMessageElement = "validation-summary-errors",
ValidationMessageElement = "validation-summary-messages"
};
}
ViewContext viewcontext = new ViewContext(actionContext, result.View, viewResult?.ViewData, viewResult?.TempData, output, options);
await result.View.RenderAsync(viewcontext).ConfigureAwait(false);
htmlContent = output.ToString();
}
return(new HtmlString(htmlContent));
}
public async Task <string> RenderStringAsync <TModel>(string name, TModel model,
IReadOnlyDictionary <string, object> tempData = null, HtmlHelperOptions htmlHelperOptions = null)
{
var actionContext = new ActionContext(new DefaultHttpContext {
RequestServices = _serviceProvider
},
new RouteData(), new ActionDescriptor());
var viewEngineResult = _viewEngine.FindView(actionContext, name, false);
if (!viewEngineResult.Success)
{
throw new InvalidOperationException($"Couldn't find view '{name}'");
}
var tempDataDictionary = new TempDataDictionary(actionContext.HttpContext, _tempDataProvider);
if (tempData != null)
{
foreach (var(key, value) in tempData)
{
tempDataDictionary.Add(key, value);
}
}
var view = viewEngineResult.View;
await using var output = new StringWriter();
var viewContext = new ViewContext(
actionContext,
view,
new ViewDataDictionary <TModel>(new EmptyModelMetadataProvider(), new ModelStateDictionary())
{
Model = model
},
tempDataDictionary
,
output,
htmlHelperOptions ?? new HtmlHelperOptions());
await view.RenderAsync(viewContext);
return(output.ToString());
}
public FormLabelTagHelper(IOptions<HtmlHelperOptions> options)
{
Options = options.Value;
}