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Depended queries support added

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This commit is contained in:
Kingkor Roy Tirtho
2022-06-22 17:56:24 +06:00
parent 8c53f1b0fe
commit 73711ee77d
10 changed files with 234 additions and 127 deletions
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packages/fl_query/lib/src/query_builder.dart
+24 -20
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@@ -34,29 +34,30 @@ class _QueryBuilderState<T extends Object, Outside>
extends State<QueryBuilder<T, Outside>> {
late QueryBowl queryBowl;
late final ValueKey<String> uKey;
late Query<T, Outside> query;
Query<T, Outside>? query;
@override
void initState() {
super.initState();
uKey = ValueKey<String>(uuid.v4());
query = Query<T, Outside>.fromOptions(
widget.job,
externalData: widget.externalData,
);
WidgetsBinding.instance.addPostFrameCallback((_) async {
query = QueryBowl.of(context).addQuery<T, Outside>(
query,
Query<T, Outside>.fromOptions(
widget.job,
externalData: widget.externalData,
queryBowl: QueryBowl.of(context),
),
key: uKey,
onData: widget.onData,
onError: widget.onError,
);
final hasExternalDataChanged = query.externalData != null &&
query.prevUsedExternalData != null &&
!isShallowEqual(query.externalData!, query.prevUsedExternalData!);
(query.fetched && query.refetchOnMount == true) || hasExternalDataChanged
? await query.refetch()
: await query.fetch();
final hasExternalDataChanged = query!.externalData != null &&
query!.prevUsedExternalData != null &&
!isShallowEqual(query!.externalData!, query!.prevUsedExternalData!);
(query!.fetched && query!.refetchOnMount == true) ||
hasExternalDataChanged
? await query!.refetch()
: await query!.fetch();
});
}
@@ -74,12 +75,13 @@ class _QueryBuilderState<T extends Object, Outside>
);
} else {
if (oldWidget.onData != widget.onData && oldWidget.onData != null) {
query.onDataListeners.remove(oldWidget.onData);
if (widget.onData != null) query.onDataListeners.add(widget.onData!);
query?.onDataListeners.remove(oldWidget.onData);
if (widget.onData != null) query?.onDataListeners.add(widget.onData!);
}
if (oldWidget.onError != widget.onError && oldWidget.onError != null) {
query.onErrorListeners.remove(oldWidget.onError);
if (widget.onError != null) query.onErrorListeners.add(widget.onError!);
query?.onErrorListeners.remove(oldWidget.onError);
if (widget.onError != null)
query?.onErrorListeners.add(widget.onError!);
}
}
super.didUpdateWidget(oldWidget);
@@ -87,16 +89,18 @@ class _QueryBuilderState<T extends Object, Outside>
@override
void dispose() {
query.unmount(uKey);
if (widget.onData != null) query.onDataListeners.remove(widget.onData);
if (widget.onError != null) query.onErrorListeners.remove(widget.onError);
query?.unmount(uKey);
if (widget.onData != null) query?.onDataListeners.remove(widget.onData);
if (widget.onError != null) query?.onErrorListeners.remove(widget.onError);
super.dispose();
}
@override
Widget build(BuildContext context) {
queryBowl = QueryBowl.of(context);
final latestQuery = queryBowl.getQuery<T, Outside>(query.queryKey) ?? query;
final latestQuery =
queryBowl.getQuery<T, Outside>(widget.job.queryKey) ?? query;
if (latestQuery == null) return Container();
return widget.builder(context, latestQuery);
}
}