Files
ersatztv/ErsatzTV.Application/MediaCollections/Queries/GetMultiCollectionByIdHandler.cs

34 lines
1.3 KiB
C#

using System.Threading;
using System.Threading.Tasks;
using ErsatzTV.Infrastructure.Data;
using ErsatzTV.Infrastructure.Extensions;
using LanguageExt;
using MediatR;
using Microsoft.EntityFrameworkCore;
using static ErsatzTV.Application.MediaCollections.Mapper;
namespace ErsatzTV.Application.MediaCollections.Queries
{
public class GetMultiCollectionByIdHandler : IRequestHandler<GetMultiCollectionById, Option<MultiCollectionViewModel>>
{
private readonly IDbContextFactory<TvContext> _dbContextFactory;
public GetMultiCollectionByIdHandler(IDbContextFactory<TvContext> dbContextFactory) =>
_dbContextFactory = dbContextFactory;
public async Task<Option<MultiCollectionViewModel>> Handle(
GetMultiCollectionById request,
CancellationToken cancellationToken)
{
await using TvContext dbContext = _dbContextFactory.CreateDbContext();
return await dbContext.MultiCollections
.Include(mc => mc.MultiCollectionItems)
.ThenInclude(mc => mc.Collection)
.Include(mc => mc.MultiCollectionSmartItems)
.ThenInclude(mc => mc.SmartCollection)
.SelectOneAsync(c => c.Id, c => c.Id == request.Id)
.MapT(ProjectToViewModel);
}
}
}