[ResponseCache(CacheProfileName = "Home")] // L'output html prodotto da questa action può essere messo in cache. La duration si misura in secondi
public async Task <IActionResult> Index([FromServices] ICachedCourseService courseService) //FromServices istruisce il controller a cercare l'istanza nei services, per una corretta dependency injection
{
HomeListViewModel homeListViewModel = new HomeListViewModel
{
BestCourses = await courseService.GetBestCourseAsync(),
MostRecentCourses = await courseService.GetMostRecentCourseAsync()
};
ViewData["Title"] = "E-Learning Demo";
return(View(homeListViewModel));
}
public async Task <IActionResult> Index([FromServices] ICachedCourseService courseService)
{
ViewData["Title"] = "Benvenuto su MyCourse!";
List <CourseViewModel> bestRatingCourses = await courseService.GetBestRatingCoursesAsync();
List <CourseViewModel> mostRecentCourses = await courseService.GetMostRecentCoursesAsync();
HomeViewModel viewModel = new HomeViewModel
{
BestRatingCourses = bestRatingCourses,
MostRecentCourses = mostRecentCourses
};
return(View(viewModel));
}
//permetterà la visualizzazione dei corsi maggiormente piaciuti
//con [FromServices] permette di dare la giusta indicazione al model binder, che
//l'istanza ICachedCourseService deve essere cercata tra i servizi registrati per la dependency injection
public async Task <IActionResult> Index([FromServices] ICachedCourseService courseService)
{
ViewData["Title"] = "Benvenuto su MyCourse";
//otteniamo solo una lista, cioé l'elenco di tutti i corsi (ma limitato al dato inserito in appsettings.json)
List <CourseViewModel> bestRatingCourses = await courseService.GetBestRatingCoursesAsync();
List <CourseViewModel> mostRecentCourses = await courseService.GetMostRecentCoursesAsync();
HomeViewModel viewModel = new HomeViewModel {
BestRatingCourses = bestRatingCourses,
MostRecentCourses = mostRecentCourses
};
return(View(viewModel));
}
public CoursesController(ICachedCourseService courseService)
{
this.courseService = courseService;
}
public CourseLimitRequirementHandler(IHttpContextAccessor httpContextAccessor, ICachedCourseService courseService)
{
this.courseService = courseService;
this.httpContextAccessor = httpContextAccessor;
}
public CourseSubscriberRequirementHandler(IHttpContextAccessor httpContextAccessor, ICachedCourseService courseService, ILessonService lessonService)
{
this.courseService = courseService;
this.lessonService = lessonService;
this.httpContextAccessor = httpContextAccessor;
}
public CoursesController(ICachedCourseService courseService) //dipendenza del CoursesController dal Course service (senza questo non potrebbe funzionare)
{
this.courseService = courseService;
}
