improve usernames

lib/api/oauth.dart

@@ -1 +1,8 @@
 import 'package:http/http.dart' as http;
+import 'dart:io';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+import 'package:oauth2/oauth2.dart' as oauth2;
+
+// Future<http.Client> authorize({required String userid}) {
+// }

lib/api/user.dart

@@ -19,3 +19,20 @@ Uri urlFromUsername({required String name}) {
   name = cleanUpUsername(name: name);
   return Uri.parse("https://${name.substring(name.indexOf("@") + 1)}");
 }
+
+String userFromUsername({required String name}) {
+  name = cleanUpUsername(name: name);
+  return name.substring(0, name.indexOf("@"));
+}
+
+// A fully qualified and valid username for example (@)hello@world.com
+// The first @ is ignored
+class Username {
+  late final String user;
+  late final Uri url;
+  Username(String username) {
+    assert(isValidUsername(name: username));
+    user = userFromUsername(name: username);
+    url = urlFromUsername(name: username);
+  }
+}

linux/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,10 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) flutter_secure_storage_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterSecureStorageLinuxPlugin");
+  flutter_secure_storage_linux_plugin_register_with_registrar(flutter_secure_storage_linux_registrar);
 }

linux/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  flutter_secure_storage_linux
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import flutter_secure_storage_macos
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FlutterSecureStorageMacosPlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStorageMacosPlugin"))
 }

pubspec.lock

@@ -76,11 +76,58 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  flutter_secure_storage:
+    dependency: "direct main"
+    description:
+      name: flutter_secure_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.2"
+  flutter_secure_storage_linux:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  flutter_secure_storage_macos:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  flutter_secure_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  flutter_secure_storage_web:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  flutter_secure_storage_windows:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: "direct main"
     description:
@@ -95,6 +142,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.1"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
   lints:
     dependency: transitive
     description:
@@ -137,6 +191,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.1"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
   settings_ui:
     dependency: "direct main"
     description:
@@ -207,3 +268,4 @@ packages:
     version: "2.1.2"
 sdks:
   dart: ">=2.17.3 <3.0.0"
+  flutter: ">=2.0.0"

pubspec.yaml

@@ -37,6 +37,7 @@ dependencies:
   settings_ui: ^2.0.2
   http: ^0.13.4
   oauth2: ^2.0.0
+  flutter_secure_storage: ^5.0.2
 
 dev_dependencies:
   flutter_test:

test/user/user_test.dart

@@ -5,6 +5,7 @@ void main() {
   validUsernameTest();
   usernameToUrlTest();
   cleanupNameTest();
+  userFromUsernameTest();
 }
 
 void validUsernameTest() {
@@ -36,3 +37,10 @@ void cleanupNameTest() {
     expect(cleanUpUsername(name: ""), "");
   });
 }
+
+void userFromUsernameTest() {
+  test("try extracting user from the full valid user id", () {
+    expect(userFromUsername(name: "@hello@world"), "hello");
+    expect(userFromUsername(name: "@john@from.garfield"), "john");
+  });
+}

windows/flutter/generated_plugin_registrant.cc

@@ -6,6 +6,9 @@
 
 #include "generated_plugin_registrant.h"
 
+#include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
+  FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -3,6 +3,7 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
+  flutter_secure_storage_windows
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST