private void OnProcessException(Exception ex, T item)
{
var tempException = ProcessExceptionEvent;
Interlocked.CompareExchange(ref ProcessExceptionEvent, null, null);
if (tempException != null)
{
ProcessExceptionEvent?.Invoke(this, ex, item);
}
}
/// <summary>
/// проверка опубликованных постов на удаление и редактирование
/// </summary>
private async Task ProcessWallWatch(TypesOfChecking checkType)
{
PostsCollection newPosts = null;
#region 1. ЗАГРУЖАЕМ НОВЫЕ ПОСТЫ
try
{
newPosts = await LoadWallPosts();
}
catch (FlurlHttpException ex)
{
_logger.LogError($"No Internet connection. WallWatchService ended up with error event.\n{ex}");
ProcessExceptionEvent?.Invoke(null, ex);
}
catch (UserAuthorizationFailException ex)
{
_logger.LogError($"User authorization was failed. Try to get new api instance.\n{ex}");
ProcessExceptionEvent?.Invoke(null, ex);
}
catch (VkApiException ex)
{
_logger.LogError($"User authorization was failed. Try to get new api instance.\n{ex}");
ProcessExceptionEvent?.Invoke(null, ex);
}
catch (Exception ex)
{
_logger.LogError($"Unexpected error while downloading posts in {TypesOfChecking.Long.ToString()} check in wall with id {-_model.WallId}. " +
$"Try to pray to God(means developer).\n{ex}");
ProcessExceptionEvent?.Invoke(null, ex);
}
#endregion
#region 2. СВЕРКА НОВЫХ И СТАРЫХ ПОСТОВ
List <PrimaryWallEvent> lastWallEvents = new List <PrimaryWallEvent>();
// Сравниваем полученные посты с тем, что уже было. Пишем результаты в NewWallPosts, DeletedWallPosts, EditedWallPosts
lastWallEvents.AddRange(ComparePosts(newPosts[_publishedType], _publishedType, idBorderInPreList));
lastWallEvents.AddRange(ComparePosts(newPosts[_suggestedType], _suggestedType, 0));
lastWallEvents.AddRange(ComparePosts(newPosts[_postponedType], _postponedType, 0));
#endregion
#region 3. ПУБЛИКАЦИЯ СОБЫТИЙ НА СТЕНЕ
if (lastWallEvents.Any())
{
try
{
PrimaryWallPostsEvents?.Invoke(lastWallEvents);
}
catch (Exception ex)
{
_logger.LogError($"Error of handling {nameof(PrimaryWallPostsEvents)}event{ex.Message}");
}
}
#endregion
if (lastWallEvents.Any())
{
_shortCheckPeriod = null;
_longCheckPeriod = null;
}
else
{
_shortCheckPeriod = (_shortCheckPeriod ?? _model.ShortMonitoringPeriod)
+ _wallWatcherOptions.IncrementSleepTimeForShortCheck;
_longCheckPeriod = (_longCheckPeriod ?? _model.MonitoringPeriod)
+ _wallWatcherOptions.IncrementSleepTimeForLongCheck;
if (_shortCheckPeriod > _wallWatcherOptions.MaxSleepTimeForShortCheck)
{
_shortCheckPeriod = _wallWatcherOptions.MaxSleepTimeForShortCheck;
}
if (_longCheckPeriod > _wallWatcherOptions.MaxSleepTime)
{
_longCheckPeriod = _wallWatcherOptions.MaxSleepTime;
}
}
}
