Stream custom live channels using your own media
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using System.Threading;
using System.Threading.Tasks;
using ErsatzTV.Core;
using ErsatzTV.Core.Domain.Filler;
using ErsatzTV.Infrastructure.Data;
using ErsatzTV.Infrastructure.Extensions;
using LanguageExt;
using MediatR;
using Microsoft.EntityFrameworkCore;
using Unit = LanguageExt.Unit;
namespace ErsatzTV.Application.Filler.Commands
{
public class UpdateFillerPresetHandler : IRequestHandler<UpdateFillerPreset, Either<BaseError, Unit>>
{
private readonly IDbContextFactory<TvContext> _dbContextFactory;
public UpdateFillerPresetHandler(IDbContextFactory<TvContext> dbContextFactory)
{
_dbContextFactory = dbContextFactory;
}
public async Task<Either<BaseError, Unit>> Handle(UpdateFillerPreset request, CancellationToken cancellationToken)
{
await using TvContext dbContext = _dbContextFactory.CreateDbContext();
Validation<BaseError, FillerPreset> validation = await FillerPresetMustExist(dbContext, request);
return await validation.Apply(ps => ApplyUpdateRequest(dbContext, ps, request));
}
private async Task<Unit> ApplyUpdateRequest(
TvContext dbContext,
FillerPreset existing,
UpdateFillerPreset request)
{
existing.Name = request.Name;
existing.FillerKind = request.FillerKind;
existing.FillerMode = request.FillerMode;
existing.Duration = request.Duration;
existing.Count = request.Count;
existing.PadToNearestMinute = request.PadToNearestMinute;
existing.CollectionType = request.CollectionType;
existing.CollectionId = request.CollectionId;
existing.MediaItemId = request.MediaItemId;
existing.MultiCollectionId = request.MultiCollectionId;
existing.SmartCollectionId = request.SmartCollectionId;
await dbContext.SaveChangesAsync();
return Unit.Default;
}
private static Task<Validation<BaseError, FillerPreset>> FillerPresetMustExist(
TvContext dbContext,
UpdateFillerPreset request) =>
dbContext.FillerPresets
.SelectOneAsync(ps => ps.Id, ps => ps.Id == request.Id)
.Map(o => o.ToValidation<BaseError>("FillerPreset does not exist"));
}
}