/// <summary>
/// Simulating the action selecting process. It mimics the ASP.NET Web API internal logic
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <returns>A structure contains the log of selecting process</returns>
public ActionSelectionLog Simulate(HttpControllerContext controllerContext)
{
Initialize(controllerContext.ControllerDescriptor);
ActionSelectionLog log = new ActionSelectionLog(_actionDescriptors);
// If the action name exists in route data, filter the action descriptors based on action name.
ReflectedHttpActionDescriptor[] actionsFoundByMethod = null;
var routeData = controllerContext.Request.GetRouteData();
string actionName;
if (routeData.Values.TryGetValue("action", out actionName))
{
var actionsFound = _actionNameMapping[actionName].OfType<ReflectedHttpActionDescriptor>().ToArray();
// Filter actions based on verb.
actionsFoundByMethod = actionsFound
.Where(actionDescriptor => actionDescriptor.SupportedHttpMethods.Contains(controllerContext.Request.Method))
.ToArray();
log.ActionName = actionName;
log.MarkSelected(actionsFound, info => info.FoundByActionName = true);
log.MarkOthersSelected(actionsFound, info => info.FoundByActionName = false);
log.MarkSelected(actionsFound, info => info.FoundByActionNameWithRightVerb = false);
log.MarkSelected(actionsFoundByMethod, info => info.FoundByActionNameWithRightVerb = true);
}
else
{
log.ActionName = string.Empty;
// If action name doesn't exist, find actions based on HTTP verb.
log.HttpMethod = controllerContext.Request.Method;
if (string.IsNullOrEmpty(actionName))
{
actionsFoundByMethod = FindActionsForVerb(log.HttpMethod);
log.MarkSelected(actionsFoundByMethod, info => info.FoundByVerb = true);
}
}
// If no action is found at this stage a failure must happen.
if (actionsFoundByMethod != null && actionsFoundByMethod.Length != 0)
{
// filter the actions by parameters matching
var actionsFilterByParam = FindActionUsingRouteAndQueryParameters(
controllerContext,
actionsFoundByMethod,
!string.IsNullOrEmpty(actionName)).ToArray();
log.MarkSelected(actionsFoundByMethod, info => info.FoundWithRightParam = false);
log.MarkSelected(actionsFilterByParam, info => info.FoundWithRightParam = true);
// filter the actions by selection filters
var actionsFilterBySelectors = RunSelectionFilters(controllerContext, actionsFilterByParam).ToArray();
log.MarkSelected(actionsFilterByParam, info => info.FoundWithSelectorsRun = false);
log.MarkSelected(actionsFilterBySelectors, info => info.FoundWithSelectorsRun = true);
}
return log;
}
/// <summary>
/// Simulating the action selecting process. It mimics the ASP.NET Web API internal logic
/// </summary>
/// <param name="controllerContext">The controller context.</param>
/// <returns>A structure contains the log of selecting process</returns>
public ActionSelectionLog Simulate(HttpControllerContext controllerContext)
{
Initialize(controllerContext.ControllerDescriptor);
ActionSelectionLog log = new ActionSelectionLog(_actionDescriptors);
// If the action name exists in route data, filter the action descriptors based on action name.
ReflectedHttpActionDescriptor[] actionsFoundByMethod = null;
var routeData = controllerContext.Request.GetRouteData();
string actionName;
if (routeData.Values.TryGetValue("action", out actionName))
{
var actionsFound = _actionNameMapping[actionName].OfType <ReflectedHttpActionDescriptor>().ToArray();
// Filter actions based on verb.
actionsFoundByMethod = actionsFound
.Where(actionDescriptor => actionDescriptor.SupportedHttpMethods.Contains(controllerContext.Request.Method))
.ToArray();
log.ActionName = actionName;
log.MarkSelected(actionsFound, info => info.FoundByActionName = true);
log.MarkOthersSelected(actionsFound, info => info.FoundByActionName = false);
log.MarkSelected(actionsFound, info => info.FoundByActionNameWithRightVerb = false);
log.MarkSelected(actionsFoundByMethod, info => info.FoundByActionNameWithRightVerb = true);
}
else
{
log.ActionName = string.Empty;
// If action name doesn't exist, find actions based on HTTP verb.
log.HttpMethod = controllerContext.Request.Method;
if (string.IsNullOrEmpty(actionName))
{
actionsFoundByMethod = FindActionsForVerb(log.HttpMethod);
log.MarkSelected(actionsFoundByMethod, info => info.FoundByVerb = true);
}
}
// If no action is found at this stage a failure must happen.
if (actionsFoundByMethod != null && actionsFoundByMethod.Length != 0)
{
// filter the actions by parameters matching
var actionsFilterByParam = FindActionUsingRouteAndQueryParameters(
controllerContext,
actionsFoundByMethod,
!string.IsNullOrEmpty(actionName)).ToArray();
log.MarkSelected(actionsFoundByMethod, info => info.FoundWithRightParam = false);
log.MarkSelected(actionsFilterByParam, info => info.FoundWithRightParam = true);
// filter the actions by selection filters
var actionsFilterBySelectors = RunSelectionFilters(controllerContext, actionsFilterByParam).ToArray();
log.MarkSelected(actionsFilterByParam, info => info.FoundWithSelectorsRun = false);
log.MarkSelected(actionsFilterBySelectors, info => info.FoundWithSelectorsRun = true);
}
return(log);
}
