public GetTrackListQueryHandler(ICatalogRepository catalogRepository, ITrackFilter trackFilter, IMapper mapper, ILogger <GetTrackListQueryHandler> logger)
{
_catalogRepository = catalogRepository ?? throw new ArgumentNullException(nameof(catalogRepository));
_trackFilter = trackFilter ?? throw new ArgumentNullException(nameof(trackFilter));
_mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
public async Task <IPagedCollection <Track> > GetTracks(ITrackFilter filter, int pageNumber, int pageSize, CancellationToken cancellationToken)
{
var linqTrackFilter = filter as LinqTrackFilter;
if (linqTrackFilter is null)
{
throw new ArgumentException("Sql catalog repository expects a linq track filter");
}
return(await _catalogDbContext
.Tracks
.TagWithQueryName(nameof(GetTracks))
.AsNoTracking()
.Where(linqTrackFilter.Filter)
.Include(track => track.Genre)
.Include(track => track.Album !.Artist)
.Include(track => track.MediaType)
.ToPagedCollectionAsync(pageNumber, pageSize, cancellationToken));
}
public async Task <IPagedCollection <TrackDetail> > Handle(GetTrackListQuery request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
_logger.LogInformation("Handle {QueryType} for tracks like {TrackName} with page number {PageNumber} and page size {PageSize}", nameof(GetTrackListQuery), request.Name, request.PageNumber, request.PageSize);
ITrackFilter filter = _trackFilter
.WhereNameLike(request.Name)
.WhereAlbumLike(request.Album)
.WhereArtistLike(request.Artist)
.WhereComposerLike(request.Composer)
.WhereGenreLike(request.Genre)
.WhereMediaTypeLike(request.MediaType)
.WherePlaylistIdEquals(request.PlaylistId)
.WherePrice(request.PriceFrom, request.PriceTo);
IPagedCollection <Track> tracksDomain = await _catalogRepository.GetTracks(filter, request.PageNumber, request.PageSize, cancellationToken);
var tracks = _mapper.Map <IReadOnlyList <TrackDetail> >(tracksDomain);
return(new PagedCollection <TrackDetail>(tracks, tracksDomain.ItemCount, tracksDomain.CurrentPageNumber, tracksDomain.PageSize));
}
public Atm CreateAtm(ITrackFilter trackFilter)
{
return(new Atm(trackFilter));
}
public Atm(ITrackFilter track)
{
AirCrafts = new List <IVehicle>();
track.AirTrackToMonitorEvent += OnTrackDataRecieved;
track.AirTrackOutSideMonitorEvent += OnRemoveAirPlainRecievedEvent;
}
