public async Task GetPosts()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
this.PostsCollection.Clear();
/*se abrir a partir da UsersPage carrega somente os posts do usuário selecionado, se não, carrega todos*/
var posts = (_User == null ? await postRep.GetAsync() : await postRep.GetAsync <Post>(x => x.POST_USER_ID == _User.USER_ID));
foreach (var post in posts)
{
PostsCollection.Add(post);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
await Task.FromResult(true);
}
}
public override sealed void OnNavigatedTo(
object parameter,
NavigationMode mode,
IDictionary <string, object> state)
{
var country = Country.PR;
CategoriesCollection = new CategoriesCollection(new GetCategoriesRequest(country),
FindierService);
HotPostsCollection = new PostsCollection(new GetPostsRequest(country).Sort(PostSort.Hot), FindierService);
NewPostsCollection = new PostsCollection(new GetPostsRequest(country).Sort(PostSort.New), FindierService);
TopPostsCollection = new PostsCollection(new GetPostsRequest(country).Sort(PostSort.Top), FindierService);
}
public override sealed void OnNavigatedTo(
object parameter,
NavigationMode mode,
IDictionary <string, object> state)
{
Category = (Category)parameter;
HotPostsCollection = new PostsCollection(new GetPostsRequest(Category.Id).Sort(PostSort.Hot),
_findierService);
NewPostsCollection = new PostsCollection(new GetPostsRequest(Category.Id).Sort(PostSort.New),
_findierService);
TopPostsCollection = new PostsCollection(new GetPostsRequest(Category.Id).Sort(PostSort.Top),
_findierService);
}
private async Task <PostsCollection> LoadWallPosts()
{
long latestOldPostId = -1;
PostsCollection res = new PostsCollection();
int loadCount = FirstLoadCount; // TODO: how to calculate
var getParams = new WallGetParams()
{
OwnerId = _model.WallId
};
WallGetObject wallGetRes = null;
_api.Wall.Get(getParams);
DownloadingPostsOptions downloadingPostsOptions = new DownloadingPostsOptions(_model.WallId, loadInFirstCount, WallFilter.All, _wallWatcherOptions.TimeForReconnecting);
// если _prePublishedList пустой, то грузим не до самого нового имющегося поста (так как его у нас нет), а за MonitoringLimits(период и/или количество)
if (!_postsProvider.AnyExistingPosts(_model.WallId, _publishedType, 0))
{
List <Post> publishedPosts = _api.Wall.GetPosts(_logger, downloadingPostsOptions, _model.MonitoringLimits);
res.AddPosts(publishedPosts);
}
else
{
res.AddPosts(GetNewAndOldPublishedPosts(downloadingPostsOptions, out latestOldPostId));
}
// Download suggests and postpone
downloadingPostsOptions.CountInFirstLoad = MaxLoadCount;
downloadingPostsOptions.WallFilter = WallFilter.Suggests;
res.AddPosts(_api.Wall.GetPosts(_logger, downloadingPostsOptions));
downloadingPostsOptions.WallFilter = WallFilter.Postponed;
res.AddPosts(_api.Wall.GetPosts(_logger, downloadingPostsOptions));
return(res);
}
public CandidatePostsController(HttpClient client)
{
_client = client;
_postsFound = false;
_posts = new PostsCollection();
}
/// <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;
}
}
}
