flutter/go_router_riverpod
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Applied more Riverpod best practices

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This commit is contained in:
venir.dev
2022-12-31 01:01:56 +01:00
parent 599b66417b
commit f447c93fc2
3 changed files with 14 additions and 18 deletions
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4
code_gen/lib/main.dart
View File

@ -43,7 +43,7 @@ class HomePage extends ConsumerWidget {
const Text("Home Page"), const Text("Home Page"),
ElevatedButton( ElevatedButton(
onPressed: () { onPressed: () {
ref.read(authNotifierProvider.notifier).logout(); ref.watch(authNotifierProvider.notifier).logout();
}, },
child: const Text("Logout"), child: const Text("Logout"),
), ),
@ -69,7 +69,7 @@ class LoginPage extends ConsumerWidget {
const Text("Login Page"), const Text("Login Page"),
ElevatedButton( ElevatedButton(
onPressed: () async { onPressed: () async {
ref.read(authNotifierProvider.notifier).login( ref.watch(authNotifierProvider.notifier).login(
"myEmail", "myEmail",
"myPassword", "myPassword",
); );

24
code_gen/lib/router/routes.dart
View File

@ -33,30 +33,26 @@ class HomeRoute extends GoRouteData {
FutureOr<String?> redirect(BuildContext context, GoRouterState state) async { FutureOr<String?> redirect(BuildContext context, GoRouterState state) async {
if (state.location == HomeRoute.path) return null; if (state.location == HomeRoute.path) return null;
final asyncRole = final roleListener = ProviderScope.containerOf(context).listen(
ProviderScope.containerOf(context).read(permissionsProvider); permissionsProvider.select((value) => value.valueOrNull),
(previous, next) {},
);
final userRole = asyncRole.valueOrNull; final userRole = roleListener.read();
if (userRole == null) return HomeRoute.path; final redirectTo = userRole?.maybeMap(
return userRole.map(
admin: (_) => null, admin: (_) => null,
user: (_) { user: (_) {
if (state.location == AdminRoute.path) return HomeRoute.path; if (state.location == AdminRoute.path) return HomeRoute.path;
return null; return null;
}, },
guest: (_) { orElse: () {
if (state.location == AdminRoute.path ||
state.location == UserRoute.path) {
return HomeRoute.path;
}
return null;
},
none: (_) {
if (state.location != HomeRoute.path) return HomeRoute.path; if (state.location != HomeRoute.path) return HomeRoute.path;
return null; return null;
}, },
); );
roleListener.close();
return redirectTo;
} }
@override @override

4
complete_example/lib/main.dart
View File

@ -44,7 +44,7 @@ class HomePage extends ConsumerWidget {
const Text("Home Page"), const Text("Home Page"),
ElevatedButton( ElevatedButton(
onPressed: () { onPressed: () {
ref.read(authNotifierProvider.notifier).logout(); ref.watch(authNotifierProvider.notifier).logout();
}, },
child: const Text("Logout"), child: const Text("Logout"),
), ),
@ -71,7 +71,7 @@ class LoginPage extends ConsumerWidget {
const Text("Login Page"), const Text("Login Page"),
ElevatedButton( ElevatedButton(
onPressed: () async { onPressed: () async {
ref.read(authNotifierProvider.notifier).login( ref.watch(authNotifierProvider.notifier).login(
"myEmail", "myEmail",
"myPassword", "myPassword",
); );