public async Task <List <ActorModel> > GetAllAsync(CancellationToken cancelationToken)
{
try
{
var actorList = await actorRepository.GetAllAsync(cancelationToken);
if (actorList == null)
{
return(null);
}
actorList = actorList.OrderByDescending(a => a.Name).ToList();
Log.Information($"Actor list count: {actorList.Count} {nameof(GetAllAsync)}");
return(mapper.Map <List <ActorModel> >(actorList));
}
catch (Exception ex)
{
Log.Error(ex, $"Error occurs in {nameof(GetAllAsync)}");
throw;
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
var actorsFromWeb = await _IMDBScraperService.GetActorsAsync(stoppingToken).ConfigureAwait(false);;
var actorsFromDB = await _actorRepository.GetAllAsync().ConfigureAwait(false);
IList <Actor> actorToInsert = new List <Actor>(actorsFromWeb.Count());
IList <Actor> actorToUpdate = new List <Actor>(actorsFromDB.Count());
IList <Actor> actorToDelete = new List <Actor>(actorsFromDB.Count());
foreach (var actor in actorsFromWeb)
{
if (actorsFromDB.Any(a => a.Name.Trim().ToLower() == actor.Name.Trim().ToLower()))
{
actorToUpdate.Add(actor);
}
else
{
actorToInsert.Add(actor);
}
}
foreach (var actor in actorsFromDB)
{
if (!actorsFromWeb.Any(a => a.Name.Trim().ToLower() == actor.Name.Trim().ToLower()))
{
actorToDelete.Add(actor);
}
}
//Insert Actor
foreach (var actor in actorToInsert)
{
try
{
await _actorRepository.InsertAsync(actor);
_logger.LogInformation($"Actor: '{actor.Name}' Added");
}
catch (Exception exp)
{
_logger.LogError($"Failed to add actor: '{actor.Name}'", exp);
}
}
//Update Actor
foreach (var actor in actorToUpdate)
{
try
{
await _actorRepository.UpdateAsync(actor);
_logger.LogDebug($"Actor: '{actor.Name}' Updated");
}
catch (Exception exp)
{
_logger.LogError($"Failed to update actor: '{actor.Name}'", exp);
}
}
//Delete Actor
foreach (var actor in actorToDelete)
{
try
{
await _actorRepository.DeleteAsync(actor);
_logger.LogInformation($"Actor: '{actor.Name}' Deleted");
}
catch (Exception exp)
{
_logger.LogError($"Failed to delete actor: '{actor.Name}'", exp);
}
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex) { ErrorHandle(ex); }
}
return;
}