public virtual string ExtractFromKey(Type type)
{
//Check if type is a controller without a FromAction
if (type.IsController() && string.IsNullOrWhiteSpace(FromAction) && FromController != null)
{
//should only come here if type is a controller and attribute is placed at controller class level
return(FromController.ExtractMvcControllerKey());
}
if (!string.IsNullOrWhiteSpace(FromAction))
{
var fromControllerType = FromController;
if (fromControllerType == null)
{
// Try to infer it from the type
if (!type.IsController())
{
throw new SmartBreadcrumbsException($"Can't infer FromController as '{type.Name}' is a Razor Page.");
}
fromControllerType = type;
}
if (!fromControllerType.IsController())
{
throw new SmartBreadcrumbsException($"'{fromControllerType.Name}' is used in FromController but isn't a Controller.");
}
var actionMethod = fromControllerType.GetMethods(BindingFlags.Instance | BindingFlags.Public)
.FirstOrDefault(m => m.Name == FromAction); //to prevent AmbiguousMatchException
if (actionMethod == null || actionMethod.ReturnType.IsAction() == false)
{
throw new SmartBreadcrumbsException($"{fromControllerType.Name} doesn't contain a valid action named {FromAction}.");
}
return(fromControllerType.ExtractMvcKey(actionMethod));
}
if (FromPage == null)
{
return(null); // Will use default as parent
}
if (!FromPage.IsRazorPage())
{
throw new SmartBreadcrumbsException($"'{FromPage.Name}' is used in FromPage but isn't a Razor Page.");
}
return(FromPage.ExtractRazorPageKey());
}
public virtual string ExtractFromKey(Type type)
{
if (!string.IsNullOrWhiteSpace(FromAction))
{
var fromControllerType = FromController;
if (fromControllerType == null)
{
// Try to infer it from the type
if (!type.IsController())
{
throw new SmartBreadcrumbsException($"Can't infer FromController as '{type.Name}' is a Razor Page.");
}
fromControllerType = type;
}
if (!fromControllerType.IsController())
{
throw new SmartBreadcrumbsException($"'{fromControllerType.Name}' is used in FromController but isn't a Controller.");
}
var actionMethod = fromControllerType.GetMethod(FromAction, BindingFlags.Instance | BindingFlags.Public);
if (actionMethod == null || actionMethod.ReturnType.IsAction() == false)
{
throw new SmartBreadcrumbsException($"{fromControllerType.Name} doesn't contain a valid action named {FromAction}.");
}
return(fromControllerType.ExtractMvcKey(actionMethod));
}
if (FromPage == null)
{
return(null); // Will use default as parent
}
if (!FromPage.IsRazorPage())
{
throw new SmartBreadcrumbsException($"'{FromPage.Name}' is used in FromPage but isn't a Razor Page.");
}
return(FromPage.ExtractRazorPageKey());
}