62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
using System.Threading.Channels;
|
|
using ErsatzTV.Core;
|
|
using ErsatzTV.Core.Errors;
|
|
using ErsatzTV.Core.Interfaces.Search;
|
|
using ErsatzTV.Infrastructure.Data;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using static ErsatzTV.Application.Channels.ChannelValidations;
|
|
using Channel = ErsatzTV.Core.Domain.Channel;
|
|
|
|
namespace ErsatzTV.Application.Channels;
|
|
|
|
public class BulkMoveChannelsToGroupHandler(
|
|
IDbContextFactory<TvContext> dbContextFactory,
|
|
ChannelWriter<IBackgroundServiceRequest> workerChannel,
|
|
ISearchTargets searchTargets)
|
|
: IRequestHandler<BulkMoveChannelsToGroup, Either<BaseError, Unit>>
|
|
{
|
|
public async Task<Either<BaseError, Unit>> Handle(
|
|
BulkMoveChannelsToGroup request,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
if (request.ChannelIds.Count == 0)
|
|
{
|
|
return Left<BaseError, Unit>(BaseError.New("At least one channel id is required"));
|
|
}
|
|
|
|
Validation<BaseError, string> groupValidation = ValidateGroup(request.Group);
|
|
if (groupValidation.IsFail)
|
|
{
|
|
return Left<BaseError, Unit>(groupValidation.FailToSeq().Head());
|
|
}
|
|
|
|
await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
|
|
await using var transaction = await dbContext.Database.BeginTransactionAsync(cancellationToken);
|
|
|
|
List<int> channelIds = request.ChannelIds.Distinct().ToList();
|
|
List<Channel> channels = await dbContext.Channels
|
|
.Where(c => channelIds.Contains(c.Id))
|
|
.ToListAsync(cancellationToken);
|
|
|
|
if (channels.Count != channelIds.Count)
|
|
{
|
|
var found = channels.Select(c => c.Id).ToHashSet();
|
|
int missingId = channelIds.First(id => !found.Contains(id));
|
|
return Left<BaseError, Unit>(new NotFoundError($"Channel {missingId} does not exist."));
|
|
}
|
|
|
|
foreach (Channel channel in channels)
|
|
{
|
|
channel.Group = request.Group;
|
|
}
|
|
|
|
await dbContext.SaveChangesAsync(cancellationToken);
|
|
await transaction.CommitAsync(cancellationToken);
|
|
|
|
searchTargets.SearchTargetsChanged();
|
|
await workerChannel.WriteAsync(new RefreshChannelList(), cancellationToken);
|
|
|
|
return Right<BaseError, Unit>(Unit.Default);
|
|
}
|
|
}
|