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Avoid posts to load twice

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This commit is contained in:
Pierre HUBERT 2019-06-15 16:29:07 +02:00
parent 48f2db98b0
commit a29af0fe01
1 changed files with 13 additions and 2 deletions
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15
lib/ui/widgets/posts_list_widget.dart
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@ -52,6 +52,7 @@ class _PostsListWidgetState extends State<PostsListWidget> {
GroupsList _groups; GroupsList _groups;
ScrollWatcher _scrollController; ScrollWatcher _scrollController;
ErrorLevel _error = ErrorLevel.NONE; ErrorLevel _error = ErrorLevel.NONE;
bool _loading = false;
set error(ErrorLevel err) => setState(() => _error = err); set error(ErrorLevel err) => setState(() => _error = err);
@ -68,11 +69,19 @@ class _PostsListWidgetState extends State<PostsListWidget> {
_loadPostsList(); _loadPostsList();
} }
void _loadError() => void _loadError() {
error = _list == null ? ErrorLevel.MAJOR : ErrorLevel.MINOR; error = _list == null ? ErrorLevel.MAJOR : ErrorLevel.MINOR;
_loading = false;
}
/// Load the list of posts /// Load the list of posts
Future<void> _loadPostsList({bool getOlder = false}) async { Future<void> _loadPostsList({bool getOlder = false}) async {
if(_loading)
return;
_loading = true;
final list = !getOlder final list = !getOlder
? await widget.getPostsList() ? await widget.getPostsList()
: await widget.getOlder(_list.oldestID); : await widget.getOlder(_list.oldestID);
@ -98,6 +107,8 @@ class _PostsListWidgetState extends State<PostsListWidget> {
_groups.addAll(groups); _groups.addAll(groups);
} }
}); });
_loading = false;
} }
Widget _buildErrorCard() { Widget _buildErrorCard() {