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add scheduled playout rebuild (#376)

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* configure scheduled playout rebuild

* implement scheduled playout rebuild

* remove variable
This commit is contained in:
Jason Dove
2021-09-18 11:23:58 -05:00
committed by GitHub
parent f7de9ac5ea
commit 944f1e4307
15 changed files with 3432 additions and 13 deletions
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ErsatzTV/Services/SchedulerService.cs
+51 -3
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@@ -44,14 +44,35 @@ namespace ErsatzTV.Services
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
DateTime firstRun = DateTime.Now;
// run once immediately at startup
if (!cancellationToken.IsCancellationRequested)
{
await DoWork(cancellationToken);
}
while (!cancellationToken.IsCancellationRequested)
{
int currentMinutes = DateTime.Now.TimeOfDay.Minutes;
int toWait = currentMinutes < 30 ? 30 - currentMinutes : 60 - currentMinutes;
_logger.LogDebug("Scheduler sleeping for {Minutes} minutes", toWait);
await Task.Delay(TimeSpan.FromMinutes(toWait), cancellationToken);
if (!cancellationToken.IsCancellationRequested)
{
await DoWork(cancellationToken);
var roundedMinute = (int)(Math.Round(DateTime.Now.Minute / 5.0) * 5);
if (roundedMinute % 30 == 0)
{
// check for playouts to rebuild every 30 minutes
await RebuildPlayouts(cancellationToken);
}
if (roundedMinute % 60 == 0 && DateTime.Now.Subtract(firstRun) > TimeSpan.FromHours(1))
{
// do other work every hour (on the hour)
await DoWork(cancellationToken);
}
}
await Task.Delay(TimeSpan.FromHours(1), cancellationToken);
}
}
@@ -71,6 +92,33 @@ namespace ErsatzTV.Services
}
}
private async Task RebuildPlayouts(CancellationToken cancellationToken)
{
try
{
using IServiceScope scope = _serviceScopeFactory.CreateScope();
TvContext dbContext = scope.ServiceProvider.GetRequiredService<TvContext>();
List<Playout> playouts = await dbContext.Playouts
.Filter(p => p.DailyRebuildTime != null)
.Include(p => p.Channel)
.ToListAsync(cancellationToken);
foreach (Playout playout in playouts.OrderBy(p => decimal.Parse(p.Channel.Number)))
{
if (DateTime.Now.Subtract(DateTime.Today.Add(playout.DailyRebuildTime ?? TimeSpan.FromDays(7))) <
TimeSpan.FromMinutes(5))
{
await _workerChannel.WriteAsync(new BuildPlayout(playout.Id, true), cancellationToken);
}
}
}
catch (Exception ex)
{
_logger.LogWarning(ex, "Error during scheduler run");
}
}
private async Task BuildPlayouts(CancellationToken cancellationToken)
{
using IServiceScope scope = _serviceScopeFactory.CreateScope();