Initial commit

lib/common/path.dart

@@ -0,0 +1,51 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
+
+import 'constant.dart';
+
+class AppPath {
+  static AppPath? _instance;
+  Completer<Directory> applicationSupportDirectoryCompleter = Completer();
+
+  AppPath._internal() {
+    getApplicationSupportDirectory().then(
+      (value) => applicationSupportDirectoryCompleter.complete(value),
+    );
+  }
+
+  factory AppPath() {
+    _instance ??= AppPath._internal();
+    return _instance!;
+  }
+
+  Future<String> getHomeDirPath() async {
+    final directory = await applicationSupportDirectoryCompleter.future;
+    return directory.path;
+  }
+
+  Future<String> getConfigPath() async {
+    final directory = await applicationSupportDirectoryCompleter.future;
+    return join(directory.path, appConstant.configFileName);
+  }
+
+  Future<String> getProfilesPath() async {
+    final directory = await applicationSupportDirectoryCompleter.future;
+    return join(directory.path, appConstant.profilesDirectoryName);
+  }
+
+  Future<String?> getProfilePath(String? id) async {
+    if (id == null) return null;
+    final directory = await getProfilesPath();
+    return join(directory, "$id.yaml");
+  }
+
+  Future<String> getMMDBPath() async {
+    var directory = await applicationSupportDirectoryCompleter.future;
+    return join(directory.path, appConstant.mmdbFileName);
+  }
+}
+
+final appPath = AppPath();