public async Task Execute(IEnumerable <CommitContext> context, Next <IEnumerable <CommitContext> > next)
{
bool AddOrRemove(CommitContext commitContext) => commitContext.ActionType != ActionType.Update;
bool UpdateHasChanges(CommitContext commitContext) => commitContext.ActionType == ActionType.Update &&
_tracking.HasChanges(commitContext.Entity);
var toCommit = context
.Where(x => AddOrRemove(x) || UpdateHasChanges(x)).ToList();
await next(toCommit);
foreach (var item in toCommit)
{
switch (item.ActionType)
{
case ActionType.Add:
_tracking.TrackInstance(item.Entity);
break;
case ActionType.Update:
_tracking.Reset(item.Entity);
break;
case ActionType.Delete:
_tracking.CeaseTracking(item.Entity);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
