feat: connectivity adapter package for connectivity_plus

packages/fl_query_connectivity_plus_adapter/lib/fl_query_connectivity_plus_adapter.dart

@@ -0,0 +1,32 @@
+library fl_query_connectivity_plus_adapter;
+
+import 'package:fl_query/fl_query.dart';
+import 'package:connectivity_plus/connectivity_plus.dart';
+
+/// A [ConnectivityAdapter] that uses the `connectivity_plus` package.
+class FlQueryConnectivityPlusAdapter extends ConnectivityAdapter {
+  @override
+  Future<bool> get isConnected async {
+    final connection = await Connectivity().checkConnectivity();
+
+    switch (connection) {
+      case ConnectivityResult.bluetooth:
+      case ConnectivityResult.none:
+        return false;
+      default:
+        return true;
+    }
+  }
+
+  @override
+  Stream<bool> get onConnectivityChanged =>
+      Connectivity().onConnectivityChanged.map((event) {
+        switch (event) {
+          case ConnectivityResult.bluetooth:
+          case ConnectivityResult.none:
+            return false;
+          default:
+            return true;
+        }
+      });
+}