private async Task UpdatePhotos()
{
_viewModel.IsBusy = true;
if (_viewModel.PageNumber < 1)
{
_viewModel.PageNumber = 1;
}
// _viewModel.TagsCollection.Clear();
_viewModel.ItemsPerPage = Preferences.Get(Constants.PhotosPerPage, 8);
PicturePage photoPage = await ProgenyService.GetPicturePage(_viewModel.PageNumber, _viewModel.ItemsPerPage, _viewModel.ViewChild, _viewModel.UserAccessLevel, _viewModel.UserInfo.Timezone, 1, _viewModel.TagFilter);
if (photoPage.PicturesList != null)
{
_viewModel.PhotoItems.ReplaceRange(photoPage.PicturesList);
_viewModel.PageNumber = photoPage.PageNumber;
_viewModel.PageCount = photoPage.TotalPages;
PhotosListView.ScrollTo(0);
if (!string.IsNullOrEmpty(photoPage.TagsList))
{
List <string> tagsList = photoPage.TagsList.Split(',').ToList();
tagsList.Sort();
foreach (string tagString in tagsList)
{
if (!string.IsNullOrEmpty(tagString))
{
_viewModel.TagsCollection.Add(tagString);
}
}
}
}
_viewModel.IsBusy = false;
}
protected override async void OnAppearing()
{
base.OnAppearing();
var azureService = DependencyService.Get <IAzureService>();
if (!azureService.IsLoggedIn() && !Navigation.ModalStack.Any())
{
await Navigation.PushModalAsync(new LoginPage(), false);
}
else
{
PhotosListView.BeginRefresh();
}
}
