public FilterResultDTO GetFiltredGame(FilterDTO filterDto, SortTypes sortType, PageInfoDTO pageInfo)
{
Expression<Func<Game, bool>> pipeExpression = _pipelineFilter.Execute(GetFilters(filterDto));
IEnumerable<Game> filtredGames = _unitOfWork.Games.GetMany(pipeExpression);
int allGamesNumber = filtredGames.Count();
filtredGames = SortGames(filtredGames, sortType);
filtredGames = filtredGames.GetPage(pageInfo.ItemsPerPage, pageInfo.PageNumber);
FilterResultDTO result = new FilterResultDTO
{
Games = filtredGames.Select(Mapper.Map<Game, GameDTO>),
PagesNumber = (allGamesNumber%pageInfo.ItemsPerPage) == 0
? (allGamesNumber/(pageInfo.ItemsPerPage))
: (allGamesNumber/pageInfo.ItemsPerPage) + 1
};
return result;
}
private IEnumerable<IFilter> GetFilters(FilterDTO filterDto)
{
if (filterDto.Genres != null && filterDto.Genres.Any())
yield return new GenreFilter(filterDto.Genres);
if (filterDto.PlatformTypes != null && filterDto.PlatformTypes.Any())
yield return new PlatformTypeFilter(filterDto.PlatformTypes);
if (filterDto.Publishers != null && filterDto.Publishers.Any())
yield return new PublisherFilter(filterDto.Publishers);
if (filterDto.From > 0.0m)
yield return new FromPriceFilter(filterDto.From);
if (filterDto.To > 0.0m)
yield return new ToPriceFilter(filterDto.To);
if (!string.IsNullOrEmpty(filterDto.Name))
yield return new NameFilter(filterDto.Name);
if( filterDto.DateFilterType != 0 && filterDto.DateFilterType != DateFilterTypes.All )
yield return new DateFilter( (int)filterDto.DateFilterType );
}
