public static Film Handle(int id, ListFilmByIdDelegate listFilmById, GetDirectorByIdDelegate getDirectorByIdDelegate, GetCastByFilmIdDelegate getCastByFilmIdDelegateQuery)
{
var film = listFilmById(id);
if (film == null)
{
return(null);
}
var director = getDirectorByIdDelegate(film.DirectorId);
film.Director = director;
var cast = getCastByFilmIdDelegateQuery(id);
film.Cast = cast;
return(film);
}
static RouteHandlers()
{
CreateFilmHandler = film => CreateFilmRoute.Handle(film, () => ValidUserQuery.Execute());
DeleteFilmHandler = id => DeleteFilmRoute.Handle(id, () => ValidUserQuery.Execute());
ListFilmByIdHandler = id => ListFilmByIdRoute.Handle(
id,
filmId => ListFilmsByIdQuery.ListFilmsByIdQuery.Execute(id),
dirId => GetDirectorByIdQuery.Execute(dirId),
filmId => GetCastByFilmIdQuery.Execute(id)
);
ListFilmsHandler = () => ListFilmsRoute.Handle();
UpdateFilmHandler = (id, film) => UpdateFilmRoute.Handle(
id,
film,
() => ValidUserQuery.Execute(),
filmId => ListFilmsByIdQuery.ListFilmsByIdQuery.Execute(filmId));
}
public static void Handle(int id, Film film, ValidUserDelegate validUserQuery, ListFilmByIdDelegate listFilmById)
{
if (!validUserQuery())
{
throw new InvalidOperationException();
}
//Do some special MEGA CORP business validation
var existingFilm = listFilmById(id);
existingFilm.Name = film.Name;
existingFilm.Budget = film.Budget;
existingFilm.Language = film.Language;
//Write some SQL to store in db
}
