hasAnyDocuments<T> method
Retrieves true
if there are more than one document within specific query
.
query
is a query.
onDocumentSnapshot
is a method with return type of an object.
Implementation
Future<bool> hasAnyDocuments<T>({
required Query query,
required T? Function(DocumentSnapshot documentSnapshot) onDocumentSnapshot,
}) async {
_loggingService.log('FirestoreHelper.hasAnyDocuments');
final elements = await getDocuments<T>(
query: query.limit(1),
logReference: 'FirestoreHelper.hasAnyDocuments',
onDocumentSnapshot: (documentSnapshot) => onDocumentSnapshot(documentSnapshot),
);
if (elements == null || elements.isEmpty) {
_loggingService.log('FirestoreHelper.hasAnyDocuments: No more elements');
return false;
} else {
_loggingService.log('FirestoreHelper.hasAnyDocuments: More elements exists.');
return true;
}
}