private async Task <bool> HandleUpdate(
ScheduledPackageUpdate update,
IPackageManager packages
)
{
bool shouldUpdate = false;
switch (update.Milestone)
{
case PackageUpdateMilestone.StartOfWeek:
case PackageUpdateMilestone.Dependencies:
shouldUpdate = DateTime.UtcNow.Date >= update.Week.WeekStart;
break;
case PackageUpdateMilestone.EndOfWeek:
shouldUpdate = DateTime.UtcNow.Date >= update.Week.WeekEnd;
break;
default: break;
}
if (!shouldUpdate)
{
return(false);
}
await packages.UpdatePackageAsync(update.Package, update.Week, update.Milestone);
return(true);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
this._logger.LogInformation("Performing updates.");
using (var scope = this._services.CreateScope())
{
var updateManager = scope.ServiceProvider.GetRequiredService <IUpdateManager>();
var packageManager = scope.ServiceProvider.GetRequiredService <IPackageManager>();
ScheduledPackageUpdate update = await updateManager.GetNextUpdateAsync(null);
int?lastId = null;
while (update != null)
{
var updated = await this.HandleUpdate(update, packageManager);
if (updated)
{
await updateManager.FinaliseUpdateAsync(update);
}
lastId = update.ScheduledPackageUpdateId;
update = await updateManager.GetNextUpdateAsync(lastId);
if (updated)
{
await Task.Delay(Constants.PACKAGE_UPDATE_BETWEEN_DELAY, stoppingToken);
}
}
}
await Task.Delay(Constants.PACKAGE_UPDATE_CHECK_DELAY, stoppingToken);
}
}
public Task FinaliseUpdateAsync(ScheduledPackageUpdate update)
{
this._db.Remove(update);
return(this._db.SaveChangesAsync());
}