private void OutputDiagnostics(ActionContext actionContext, ViewResult viewResult, string viewName, ViewEngineResult result)
{
if (result.Success)
{
DiagnosticListener.ViewFound(
actionContext,
isMainPage: true,
viewResult,
viewName,
view: result.View);
}
else
{
DiagnosticListener.ViewNotFound(
actionContext,
isMainPage: true,
viewResult,
viewName,
searchedLocations: result.SearchedLocations);
}
}
/// <summary>
/// Attempts to find the <see cref="IView"/> associated with <paramref name="viewResult"/>.
/// </summary>
/// <param name="actionContext">The <see cref="ActionContext"/> associated with the current request.</param>
/// <param name="viewResult">The <see cref="PartialViewResult"/>.</param>
/// <returns>A <see cref="ViewEngineResult"/>.</returns>
public virtual ViewEngineResult FindView(ActionContext actionContext, PartialViewResult viewResult)
{
if (actionContext == null)
{
throw new ArgumentNullException(nameof(actionContext));
}
if (viewResult == null)
{
throw new ArgumentNullException(nameof(viewResult));
}
var viewEngine = viewResult.ViewEngine ?? ViewEngine;
var viewName = viewResult.ViewName ?? GetActionName(actionContext);
var stopwatch = ValueStopwatch.StartNew();
var result = viewEngine.GetView(executingFilePath: null, viewPath: viewName, isMainPage: false);
var originalResult = result;
if (!result.Success)
{
result = viewEngine.FindView(actionContext, viewName, isMainPage: false);
}
Logger.PartialViewResultExecuting(result.ViewName);
if (!result.Success)
{
if (originalResult.SearchedLocations.Any())
{
if (result.SearchedLocations.Any())
{
// Return a new ViewEngineResult listing all searched locations.
var locations = new List <string>(originalResult.SearchedLocations);
locations.AddRange(result.SearchedLocations);
result = ViewEngineResult.NotFound(viewName, locations);
}
else
{
// GetView() searched locations but FindView() did not. Use first ViewEngineResult.
result = originalResult;
}
}
}
if (result.Success)
{
DiagnosticListener.ViewFound(
actionContext,
isMainPage: false,
viewResult: viewResult,
viewName: viewName,
view: result.View);
Logger.PartialViewFound(result.View, stopwatch.GetElapsedTime());
}
else
{
DiagnosticListener.ViewNotFound(
actionContext,
isMainPage: false,
viewResult: viewResult,
viewName: viewName,
searchedLocations: result.SearchedLocations);
Logger.PartialViewNotFound(viewName, result.SearchedLocations);
}
return(result);
}