using System.Collections.Generic; using System.Linq; using System.Threading; using System.Threading.Tasks; using ErsatzTV.Core.Interfaces.Repositories; using MediatR; using static ErsatzTV.Application.Channels.Mapper; using static LanguageExt.Prelude; namespace ErsatzTV.Application.Channels.Queries { public class GetAllChannelsHandler : IRequestHandler> { private readonly IChannelRepository _channelRepository; public GetAllChannelsHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository; public async Task> Handle(GetAllChannels request, CancellationToken cancellationToken) => Optional(await _channelRepository.GetAll()).Flatten().Map(ProjectToViewModel).ToList(); } }