Add persistence to matrix Client

lib/login.dart

@@ -25,11 +25,10 @@ class _LoginPageState extends State<LoginPage> {
     });
 
     final provider = Provider.of<ZenithClientProvider>(context, listen: false);
-    final client = Client("zenith");
 
     try {
-      await client.checkHomeserver(Uri.parse(serverController.text));
-      await client.login(
+      await provider.client.checkHomeserver(Uri.parse(serverController.text));
+      await provider.client.login(
         LoginType.mLoginPassword,
         password: passwordController.text,
         identifier: AuthenticationUserIdentifier(user: usernameController.text),
@@ -54,7 +53,6 @@ class _LoginPageState extends State<LoginPage> {
       });
     }
 
-    provider.setClient(client);
     final prefs = await SharedPreferences.getInstance();
     prefs.setString("homeserver", serverController.text);
     prefs.setString("username", usernameController.text);

lib/main.dart

@@ -50,16 +50,14 @@ class _MyHomePageState extends State<MyHomePage> {
 
     if (!mounted) return;
     final provider = Provider.of<ZenithClientProvider>(context, listen: false);
-    final client = Client("zenith");
-    provider.setClient(client);
     setState(() {
       showRooms = true;
     });
 
     try {
-      await client.checkHomeserver(Uri.parse(homeserver));
-      if (!client.isLogged())
-        await client.login(LoginType.mLoginPassword,
+      await provider.client.checkHomeserver(Uri.parse(homeserver));
+      if (!provider.client.isLogged())
+        await provider.client.login(LoginType.mLoginPassword,
             password: password,
             identifier: AuthenticationUserIdentifier(user: username));
     } catch (error) {

lib/zenith_client_provider.dart

@@ -1,13 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:matrix/matrix.dart';
+import 'package:path_provider/path_provider.dart';
 
 class ZenithClientProvider extends ChangeNotifier {
-  late Client _client;
-
-  Client get client => _client;
-
-  void setClient(Client value) {
-    _client = value;
-    notifyListeners();
-  }
+  final client = Client("zenith", databaseBuilder: (_) async {
+    final dir =
+        await getApplicationSupportDirectory(); // Recommend path_provider package
+    final db = HiveCollectionsDatabase('matrix_example_chat', dir.path);
+    await db.open();
+    return db;
+  });
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,8 +5,10 @@
 import FlutterMacOS
 import Foundation
 
+import path_provider_foundation
 import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

pubspec.lock

@@ -344,6 +344,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: a1aa8aaa2542a6bc57e381f132af822420216c80d4781f7aa085ca3229208aaa
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "477184d672607c0a3bf68fbbf601805f92ef79c82b64b4d6eb318cbca4c48668"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "19314d595120f82aca0ba62787d58dde2cc6b5df7d2f0daf72489e38d1b57f2d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
   path_provider_linux:
     dependency: transitive
     description:
@@ -623,4 +647,4 @@ packages:
     version: "6.3.0"
 sdks:
   dart: ">=3.1.5 <4.0.0"
-  flutter: ">=3.7.0"
+  flutter: ">=3.10.0"

pubspec.yaml

@@ -41,6 +41,7 @@ dependencies:
   provider: ^6.1.1
   shared_preferences: ^2.2.2
   file_picker: ^6.1.1
+  path_provider: ^2.1.1
 
 dev_dependencies:
   flutter_test: