mirror of https://github.com/ErsatzTV/ErsatzTV.git
Jason Dove
1 week ago
committed by
GitHub
17 changed files with 212 additions and 174 deletions
@ -1,41 +1,22 @@
@@ -1,41 +1,22 @@
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using ErsatzTV.Core; |
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using ErsatzTV.Core.Domain; |
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using ErsatzTV.Core.Interfaces.Scheduling; |
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using ErsatzTV.Infrastructure.Data; |
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using ErsatzTV.Infrastructure.Extensions; |
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using Microsoft.EntityFrameworkCore; |
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namespace ErsatzTV.Application.Playouts; |
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public class TimeShiftOnDemandPlayoutHandler( |
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IPlayoutTimeShifter playoutTimeShifter, |
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IDbContextFactory<TvContext> dbContextFactory) |
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public class TimeShiftOnDemandPlayoutHandler(IPlayoutTimeShifter playoutTimeShifter) |
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: IRequestHandler<TimeShiftOnDemandPlayout, Option<BaseError>> |
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{ |
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public async Task<Option<BaseError>> Handle(TimeShiftOnDemandPlayout request, CancellationToken cancellationToken) |
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{ |
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try |
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{ |
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken); |
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Option<Playout> maybePlayout = await dbContext.Playouts |
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.Include(p => p.Channel) |
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.Include(p => p.Items) |
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.Include(p => p.Anchor) |
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.Include(p => p.ProgramScheduleAnchors) |
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.SelectOneAsync(p => p.Channel.Number, p => p.Channel.Number == request.ChannelNumber); |
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foreach (Playout playout in maybePlayout) |
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{ |
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playoutTimeShifter.TimeShift(playout, request.Now, request.Force); |
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await dbContext.SaveChangesAsync(cancellationToken); |
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} |
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return Option<BaseError>.None; |
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await playoutTimeShifter.TimeShift(request.PlayoutId, request.Now, request.Force); |
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} |
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catch (Exception ex) |
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{ |
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return BaseError.New(ex.Message); |
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} |
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return Option<BaseError>.None; |
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} |
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} |
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@ -1,8 +1,6 @@
@@ -1,8 +1,6 @@
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using ErsatzTV.Core.Domain; |
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namespace ErsatzTV.Core.Interfaces.Scheduling; |
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public interface IPlayoutTimeShifter |
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{ |
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public void TimeShift(Playout playout, DateTimeOffset now, bool force); |
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public Task TimeShift(int playoutId, DateTimeOffset now, bool force); |
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} |
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@ -1,90 +0,0 @@
@@ -1,90 +0,0 @@
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using ErsatzTV.Core.Domain; |
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using ErsatzTV.Core.Interfaces.FFmpeg; |
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using ErsatzTV.Core.Interfaces.Scheduling; |
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using Microsoft.Extensions.Logging; |
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namespace ErsatzTV.Core.Scheduling; |
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public class PlayoutTimeShifter(IFFmpegSegmenterService segmenterService, ILogger<PlayoutTimeShifter> logger) |
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: IPlayoutTimeShifter |
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{ |
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public void TimeShift(Playout playout, DateTimeOffset now, bool force) |
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{ |
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if (playout.Channel.PlayoutMode is not ChannelPlayoutMode.OnDemand) |
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{ |
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return; |
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} |
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if (!force && segmenterService.IsActive(playout.Channel.Number)) |
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{ |
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logger.LogDebug( |
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"Will not time shift on demand playout that is active for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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return; |
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} |
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if (playout.Items.Count == 0) |
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{ |
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logger.LogDebug( |
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"Unable to time shift empty playout for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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return; |
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} |
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if (playout.OnDemandCheckpoint is null) |
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{ |
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logger.LogDebug( |
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"Time shifting unwatched playout for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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playout.OnDemandCheckpoint = playout.Items.Min(p => p.StartOffset); |
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} |
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TimeSpan toOffset = now - playout.OnDemandCheckpoint.IfNone(now); |
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logger.LogDebug( |
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"Time shifting playout for channel {Number} - {Name} forward by {Time}", |
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playout.Channel.Number, |
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playout.Channel.Name, |
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toOffset); |
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// time shift items
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foreach (PlayoutItem playoutItem in playout.Items) |
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{ |
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playoutItem.Start += toOffset; |
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playoutItem.Finish += toOffset; |
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if (playoutItem.GuideStart.HasValue) |
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{ |
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playoutItem.GuideStart += toOffset; |
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} |
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if (playoutItem.GuideFinish.HasValue) |
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{ |
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playoutItem.GuideFinish += toOffset; |
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} |
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} |
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// time shift anchors
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foreach (PlayoutProgramScheduleAnchor anchor in playout.ProgramScheduleAnchors) |
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{ |
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if (anchor.AnchorDate.HasValue) |
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{ |
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anchor.AnchorDate += toOffset; |
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} |
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} |
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// time shift anchor
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if (playout.Anchor is not null) |
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{ |
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playout.Anchor.NextStart += toOffset; |
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} |
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playout.OnDemandCheckpoint = now; |
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} |
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} |
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@ -0,0 +1,128 @@
@@ -0,0 +1,128 @@
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using ErsatzTV.Core.Domain; |
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using ErsatzTV.Core.Domain.Scheduling; |
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using ErsatzTV.Core.Interfaces.FFmpeg; |
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using ErsatzTV.Core.Interfaces.Scheduling; |
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using ErsatzTV.Infrastructure.Data; |
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using ErsatzTV.Infrastructure.Extensions; |
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using Microsoft.EntityFrameworkCore; |
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using Microsoft.Extensions.Logging; |
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namespace ErsatzTV.Infrastructure.Scheduling; |
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public class PlayoutTimeShifter( |
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IDbContextFactory<TvContext> dbContextFactory, |
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IFFmpegSegmenterService segmenterService, |
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ILogger<PlayoutTimeShifter> logger) |
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: IPlayoutTimeShifter |
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{ |
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public async Task TimeShift(int playoutId, DateTimeOffset now, bool force) |
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{ |
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(); |
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Option<Channel> maybeChannel = await dbContext.Playouts |
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.AsNoTracking() |
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.Include(p => p.Channel) |
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.SelectOneAsync(p => p.Id, p => p.Id == playoutId) |
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.MapT(p => p.Channel); |
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foreach (var channel in maybeChannel.Where(c => c.PlayoutMode is ChannelPlayoutMode.OnDemand)) |
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{ |
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Option<Playout> maybePlayout = await dbContext.Playouts |
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.Include(p => p.Channel) |
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.Include(p => p.Items) |
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.Include(p => p.Anchor) |
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.Include(p => p.ProgramScheduleAnchors) |
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.Include(p => p.PlayoutHistory) |
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.SelectOneAsync(p => p.ChannelId, p => p.ChannelId == channel.Id); |
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foreach (var playout in maybePlayout) |
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{ |
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if (playout.Channel.PlayoutMode is not ChannelPlayoutMode.OnDemand) |
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{ |
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return; |
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} |
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if (!force && segmenterService.IsActive(playout.Channel.Number)) |
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{ |
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logger.LogDebug( |
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"Will not time shift on demand playout that is active for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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return; |
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} |
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if (playout.Items.Count == 0) |
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{ |
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logger.LogDebug( |
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"Unable to time shift empty playout for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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return; |
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} |
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if (playout.OnDemandCheckpoint is null) |
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{ |
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logger.LogDebug( |
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"Time shifting unwatched playout for channel {Number} - {Name}", |
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playout.Channel.Number, |
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playout.Channel.Name); |
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playout.OnDemandCheckpoint = playout.Items.Min(p => p.StartOffset); |
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} |
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TimeSpan toOffset = now - playout.OnDemandCheckpoint.IfNone(now); |
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logger.LogDebug( |
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"Time shifting playout for channel {Number} - {Name} forward by {Time}", |
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playout.Channel.Number, |
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playout.Channel.Name, |
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toOffset); |
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// time shift history
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foreach (PlayoutHistory history in playout.PlayoutHistory) |
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{ |
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history.When += toOffset; |
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history.Finish += toOffset; |
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} |
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// time shift items
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foreach (PlayoutItem playoutItem in playout.Items) |
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{ |
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playoutItem.Start += toOffset; |
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playoutItem.Finish += toOffset; |
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if (playoutItem.GuideStart.HasValue) |
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{ |
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playoutItem.GuideStart += toOffset; |
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} |
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if (playoutItem.GuideFinish.HasValue) |
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{ |
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playoutItem.GuideFinish += toOffset; |
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} |
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} |
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// time shift anchors
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foreach (PlayoutProgramScheduleAnchor anchor in playout.ProgramScheduleAnchors) |
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{ |
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if (anchor.AnchorDate.HasValue) |
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{ |
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anchor.AnchorDate += toOffset; |
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} |
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} |
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// time shift anchor
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if (playout.Anchor is not null) |
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{ |
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playout.Anchor.NextStart += toOffset; |
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} |
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playout.OnDemandCheckpoint = now; |
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await dbContext.SaveChangesAsync(); |
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} |
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} |
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} |
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} |
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