/// <summary>
/// Create action from controller data.
/// <para></para>
/// All controller logic (like creating controllers, ModelBinders etc.) must be here.
/// To know why - read readme.txt in Telegram.Bot.AspNetPipeline.Mvc.Controllers folder.
/// <para></para>
/// Current implemention use only <see cref="ControllerActionContext"/>, but you can use passed parameters
/// to generate some predefined code to make it faster.
/// </summary>
public RouteActionDelegate CreateAction(Type controllerType, MethodInfo methodInfo, RouteInfo routeInfo)
{
if (!typeof(Task).IsAssignableFrom(methodInfo.ReturnType))
{
throw new TelegramAspException($"Exception with '{methodInfo}' in '{controllerType.Name}'. " +
$"Controller method must return Task.");
}
RouteActionDelegate routeActionDelegate = async(actionContext) =>
{
#if DEBUG
if (actionContext is ControllerActionContext controllerActionContext)
{
if (controllerActionContext.ActionDescriptor.MethodInfo != methodInfo)
{
throw new TelegramAspException("Predefined MethodInfo and context MethodInfo is different.");
}
}
#endif
if (!(actionContext is ControllerActionContext))
{
throw new TelegramAspException(
$"Controller actions can be invoked only with {typeof(ControllerActionContext).Name}.\n" +
$"Please, contact library author if exception throwed in default pipeline."
);
}
await Handler((ControllerActionContext)actionContext);
};
return(routeActionDelegate);
}
public static void MapRouteAction(
this IUseMvcBuilder @this,
RouteActionDelegate routeAction,
string template = null,
int order = 0,
string name = null,
UpdateType[] updateTypes = null
)
{
var routeInfo = new RouteInfo(template, order, name, updateTypes);
@this.MapRouteAction(routeAction, routeInfo);
}
/// <summary>
/// Just like you do with controller methods, but for delegates.
/// </summary>
public void MapRouteAction(RouteActionDelegate routeAction, RouteInfo routeInfo)
{
if (routeAction == null)
{
throw new ArgumentNullException(nameof(routeAction));
}
if (routeInfo == null)
{
throw new ArgumentNullException(nameof(routeInfo));
}
var tuple = new Tuple <RouteActionDelegate, RouteInfo>(routeAction, routeInfo);
_routes.Add(new ActionDescriptor(routeAction, routeInfo));
}
public ControllerActionDescriptor(
RouteActionDelegate handler,
RouteInfo routeInfo,
MethodInfo methodInfo,
Type controllerType
) : base(handler, routeInfo)
{
MethodInfo = methodInfo;
ControllerType = controllerType;
Parameters = methodInfo.GetParameters();
foreach (var param in Parameters)
{
_parametersByName[param.Name] = param;
}
}
public ActionDescriptor(RouteActionDelegate handler, RouteInfo routeInfo)
{
RouteInfo = routeInfo;
Handler = handler;
}
