Add deleteAll method

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.4.1
+
+* Add `deleteAll` method
+
 ## 1.4.0
 
 * Enhance subscriptions to not emit updates when the underlying database value has not changed

lib/src/index_entity_store.dart

@@ -289,6 +289,20 @@ class IndexedEntityStore<T, K> {
     }
   }
 
+  /// Removes all entries from the store
+  void deleteAll() {
+    final result = _database.select(
+      'DELETE FROM `entity` WHERE `type` = ? RETURNING `key`',
+      [_entityKey],
+    );
+
+    _handleUpdate(
+      {
+        for (final row in result) row['key']!,
+      },
+    );
+  }
+
   /// Deletes a single entity by its primary key
   void delete(K key) {
     deleteMany({key});

pubspec.yaml

@@ -1,6 +1,6 @@
 name: indexed_entity_store
 description: A fast, simple, and synchronous entity store for Flutter applications.
-version: 1.4.0
+version: 1.4.1
 repository: https://github.com/LunaONE/indexed_entity_store
 
 environment:

test/indexed_entity_store_test.dart

@@ -943,6 +943,37 @@ void main() {
       ),
     );
   });
+
+  test('Delete all', () async {
+    final path = '/tmp/index_entity_store_test_${FlutterTimeline.now}.sqlite3';
+
+    final db = IndexedEntityDabase.open(path);
+
+    final fooStore = db.entityStore(fooConnector);
+
+    expect(fooStore.getAllOnce(), isEmpty);
+
+    fooStore.insert(
+      _FooEntity(id: 1, valueA: 'a', valueB: 1, valueC: true),
+    );
+    fooStore.insert(
+      _FooEntity(id: 2, valueA: 'b', valueB: 2, valueC: true),
+    );
+
+    expect(fooStore.getAllOnce(), hasLength(2));
+
+    final singleSubscription = fooStore.get(1);
+    final listSubscription = fooStore.query((cols) => cols['b'].lessThan(5));
+    expect(singleSubscription.value, isA<_FooEntity>());
+    expect(listSubscription.value, hasLength(2));
+
+    // Delete all rows
+    fooStore.deleteAll();
+
+    expect(singleSubscription.value, isNull);
+    expect(listSubscription.value, isEmpty);
+    expect(fooStore.getAllOnce(), isEmpty);
+  });
 }
 
 class _FooEntity {