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using valuekeys for keeping track of mounts in query & mutations

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QueryBuilder & MutaionBuilder are now null proof
This commit is contained in:
Kingkor Roy Tirtho
2022-06-20 12:28:37 +06:00
parent 7d337e02da
commit d7635abb0e
9 changed files with 134 additions and 56 deletions
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packages/fl_query/lib/query_bowl.dart
+37 -15
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@@ -165,7 +165,7 @@ class QueryBowl extends InheritedWidget {
required Outside externalData,
final QueryListener<T>? onData,
final QueryListener<dynamic>? onError,
Widget? mount,
required ValueKey<String> key,
}) async {
final prevQuery =
_queries.firstWhereOrNull((q) => q.queryKey == options.queryKey);
@@ -174,7 +174,7 @@ class QueryBowl extends InheritedWidget {
// changed
final hasExternalDataChanged =
prevQuery.prevUsedExternalData != externalData;
if (mount != null) prevQuery.mount(mount);
prevQuery.mount(key);
if (onData != null) prevQuery.onDataListeners.add(onData);
if (onError != null) prevQuery.onErrorListeners.add(onError);
if (!prevQuery.hasData || hasExternalDataChanged) {
@@ -192,34 +192,56 @@ class QueryBowl extends InheritedWidget {
onData: onData,
onError: onError,
);
if (mount != null) query.mount(mount);
query.mount(key);
_addQuery<T, Outside>(query);
return await query.fetch();
}
void addMutation<T extends Object, V>(
MutationJob<T, V> options, {
Query<T, Outside> addQuery<T extends Object, Outside>(
Query<T, Outside> query, {
required ValueKey<String> key,
final QueryListener<T>? onData,
final QueryListener<dynamic>? onError,
}) {
final prevQuery =
_queries.firstWhereOrNull((q) => q.queryKey == query.queryKey);
if (prevQuery is Query<T, Outside>) {
// run the query if its still not called or if externalData has
// changed
if (prevQuery.prevUsedExternalData != query.externalData)
prevQuery.setExternalData(query.externalData);
prevQuery.mount(key);
if (onData != null) prevQuery.onDataListeners.add(onData);
if (onError != null) prevQuery.onErrorListeners.add(onError);
// mounting the widget that is using the query in the prevQuery
return prevQuery;
}
if (onData != null) query.onDataListeners.add(onData);
if (onError != null) query.onErrorListeners.add(onError);
query.mount(key);
_addQuery<T, Outside>(query);
return query;
}
Mutation<T, V> addMutation<T extends Object, V>(
Mutation<T, V> mutation, {
final MutationListener<T>? onData,
final MutationListener<dynamic>? onError,
final MutationListener<V>? onMutate,
Widget? mount,
required ValueKey<String> key,
}) {
final prevMutation = _mutations.firstWhereOrNull(
(mutation) => mutation.mutationKey == options.mutationKey);
(prevMutation) => prevMutation.mutationKey == mutation.mutationKey);
if (prevMutation != null && prevMutation is Mutation<T, V>) {
if (onData != null) prevMutation.onDataListeners.add(onData);
if (onError != null) prevMutation.onErrorListeners.add(onError);
if (onMutate != null) prevMutation.onMutateListeners.add(onMutate);
if (mount != null) prevMutation.mount(mount);
prevMutation.mount(key);
return prevMutation;
} else {
final mutation = Mutation.fromOptions(
options,
onData: onData,
onError: onError,
onMutate: onMutate,
);
if (mount != null) mutation.mount(mount);
mutation.mount(key);
_addMutation(mutation);
return mutation;
}
}