Frontend first draft

frontend/pweb/lib/pages/loaders/account.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+
+import 'package:provider/provider.dart';
+
+import 'package:pshared/provider/account.dart';
+
+import 'package:pweb/app/router/pages.dart';
+import 'package:pweb/widgets/error/snackbar.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class AccountLoader extends StatelessWidget {
+  final Widget child;
+
+  const AccountLoader({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context) => Consumer<AccountProvider>(builder: (context, provider, _) {
+    if (provider.isLoading) return const Center(child: CircularProgressIndicator());
+    if (provider.error != null) {
+      postNotifyUserOfErrorX(
+        context: context, 
+        errorSituation: AppLocalizations.of(context)!.errorLogin, 
+        exception: provider.error!,
+      );
+      navigateAndReplace(context, Pages.login);
+    }
+    if ((provider.error == null) && (provider.account == null)) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        provider.restore();
+      });
+      return const Center(child: CircularProgressIndicator());
+    }
+    return child;
+  });
+}
+

frontend/pweb/lib/pages/loaders/organization.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+import 'package:provider/provider.dart';
+
+import 'package:pshared/provider/organizations.dart';
+
+import 'package:pweb/app/router/pages.dart';
+import 'package:pweb/widgets/error/snackbar.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class OrganizationLoader extends StatelessWidget {
+  final Widget child;
+
+  const OrganizationLoader({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context) => Consumer<OrganizationsProvider>(builder: (context, provider, _) {
+    if (provider.isLoading) return const Center(child: CircularProgressIndicator());
+    if (provider.error != null) {
+      postNotifyUserOfErrorX(
+        context: context, 
+        errorSituation: AppLocalizations.of(context)!.errorLogin, 
+        exception: provider.error!,
+      );
+      navigateAndReplace(context, Pages.login);
+    }
+    if ((provider.error == null) && (!provider.isOrganizationSet)) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        provider.load();
+      });
+      return const Center(child: CircularProgressIndicator());
+    }
+    return child;
+  });
+}

frontend/pweb/lib/pages/loaders/permissions.dart

@@ -0,0 +1,37 @@
+import 'package:flutter/material.dart';
+
+import 'package:provider/provider.dart';
+
+import 'package:pshared/provider/permissions.dart';
+
+import 'package:pweb/app/router/pages.dart';
+import 'package:pweb/widgets/error/snackbar.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+class PermissionsLoader extends StatelessWidget {
+  final Widget child;
+
+  const PermissionsLoader({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context) => Consumer<PermissionsProvider>(builder: (context, provider, _) {
+    if (provider.isLoading) return const Center(child: CircularProgressIndicator());
+    if (provider.error != null) {
+      postNotifyUserOfErrorX(
+        context: context, 
+        errorSituation: AppLocalizations.of(context)!.errorLogin, 
+        exception: provider.error!,
+      );
+      navigateAndReplace(context, Pages.login);
+    }
+    if ((provider.error == null) && (provider.permissions.isEmpty)) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        provider.load();
+      });
+      return const Center(child: CircularProgressIndicator());
+    }
+    return child;
+  });
+}