public int?getReviewPage(int UserId, int PageNumber, int PageSize, ReviewSortState sortState, string titleName)
{
if (titleName == null)
{
return(null);
}
var reviewsList = _mapper.Map <IEnumerable <Review>, IEnumerable <ReviewDTO> >(_reviewsRepository.GetAllReviewsByUserId(UserId));
reviewsList = sortQuery(reviewsList, sortState);
var foundElement = reviewsList.FirstOrDefault(s => s.ReviewTitle.Contains(titleName));
if (foundElement == null)
{
return(null);
}
int index = reviewsList.IndexOf(foundElement) + 1;
if (index <= PageSize)
{
return(1);
}
var remaining = ((double)index / (double)PageSize);
return((int)Math.Round(remaining, 0, MidpointRounding.AwayFromZero));
}
IEnumerable <ReviewDTO> sortQuery(IEnumerable <ReviewDTO> reviewsList, ReviewSortState sortState)
{
return(reviewsList = sortState switch
{
ReviewSortState.NameDesc => reviewsList.OrderByDescending(s => s.ReviewTitle),
ReviewSortState.RatingAsc => reviewsList.OrderBy(s => getFilmRating(s)),
ReviewSortState.RatingDesc => reviewsList.OrderByDescending(s => getFilmRating(s)),
ReviewSortState.YearAsc => reviewsList.OrderBy(s => s.PublishTime),
ReviewSortState.YearDesc => reviewsList.OrderByDescending(s => s.PublishTime),
_ => reviewsList.OrderBy(s => s.ReviewTitle),
});
IEnumerable <ReviewDTO> paginateQuery(IEnumerable <ReviewDTO> reviewsList, ReviewSortState sortState, int PageNumber, int PageSize)
{
reviewsList = sortQuery(reviewsList, sortState);
var reviewsListPaged = reviewsList.Skip((PageNumber - 1) * PageSize)
.Take(PageSize);
if (reviewsListPaged.Count() == 0)
{
PageNumber = 1;
reviewsListPaged = reviewsList.Skip((PageNumber - 1) * PageSize)
.Take(PageSize);
}
return(reviewsListPaged);
}
public Entities.Models.IPagedResponse <ReviewDTO> GetReviews(int UserId, int PageNumber, int PageSize, ReviewSortState sortState)
{
var reviewsList = _mapper.Map <IEnumerable <Review>, IEnumerable <ReviewDTO> >(_reviewsRepository.GetAllReviewsByUserId(UserId));
foreach (var item in reviewsList)
{
if (item.ContentType == ContentType.Movie)
{
item.FilmImage = _moviesService.GetMovieById(item.FilmId).ImageSource;
}
else if (item.ContentType == ContentType.Serial)
{
item.FilmImage = _serialsService.GetSerialById(item.FilmId).PosterImageSource;
}
}
var reviewsListPaged = paginateQuery(reviewsList, sortState, PageNumber, PageSize);
return(new Entities.Models.IPagedResponse <ReviewDTO>(reviewsListPaged)
{
PageSize = PageSize,
TotalCount = reviewsList.Count(),
PageNumber = PageNumber,
Data = reviewsListPaged
});
}
