getDocRefById method
Implementation
DocRefMemory? getDocRefById(
String docId,
) {
String collId = _id;
if (_memoryDb[collId] == null) return null;
Map<String, dynamic>? doc = _memoryDb[collId]!.cast().firstWhere(
(doc) => doc[DBRKeys.id] == docId,
orElse: () => null,
);
if (doc == null) {
return null;
} else {
String docId = doc[DBRKeys.id];
return DocRefMemory(docId, _collRefMemory, _memoryDb);
}
}