Fixed bugs, added serialization for documents state

lib/features/login/view/widgets/form_fields/client_certificate_form_field.dart

@@ -5,8 +5,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter_form_builder/flutter_form_builder.dart';
 import 'package:paperless_mobile/extensions/flutter_extensions.dart';
 import 'package:paperless_mobile/features/login/model/client_certificate.dart';
-import 'package:paperless_mobile/features/login/view/widgets/password_text_field.dart';
 import 'package:paperless_mobile/generated/l10n.dart';
+import 'package:paperless_mobile/util.dart';
+import 'package:permission_handler/permission_handler.dart';
+
+import 'obscured_input_text_form_field.dart';
 
 class ClientCertificateFormField extends StatefulWidget {
   static const fkClientCertificate = 'clientCertificate';
@@ -24,7 +27,6 @@ class ClientCertificateFormField extends StatefulWidget {
 
 class _ClientCertificateFormFieldState
     extends State<ClientCertificateFormField> {
-  RestorableString? _selectedFilePath;
   File? _selectedFile;
   @override
   Widget build(BuildContext context) {
@@ -105,7 +107,9 @@ class _ClientCertificateFormFieldState
   }
 
   Future<void> _onSelectFile(FormFieldState<ClientCertificate?> field) async {
-    FilePickerResult? result = await FilePicker.platform.pickFiles();
+    FilePickerResult? result = await FilePicker.platform.pickFiles(
+      allowMultiple: false,
+    );
     if (result != null && result.files.single.path != null) {
       File file = File(result.files.single.path!);
       setState(() {

lib/features/login/view/widgets/form_fields/server_address_form_field.dart

@@ -1,10 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_form_builder/flutter_form_builder.dart';
 import 'package:form_builder_validators/form_builder_validators.dart';
-import 'package:paperless_mobile/core/service/connectivity_status_service.dart';
-import 'package:paperless_mobile/features/login/model/client_certificate.dart';
 import 'package:paperless_mobile/generated/l10n.dart';
-import 'package:provider/provider.dart';
 
 class ServerAddressFormField extends StatefulWidget {
   static const String fkServerAddress = "serverAddress";

lib/features/login/view/widgets/form_fields/user_credentials_form_field.dart

@@ -3,7 +3,7 @@ import 'package:flutter_form_builder/flutter_form_builder.dart';
 import 'package:form_builder_validators/form_builder_validators.dart';
 import 'package:paperless_mobile/extensions/flutter_extensions.dart';
 import 'package:paperless_mobile/features/login/model/user_credentials.model.dart';
-import 'package:paperless_mobile/features/login/view/widgets/password_text_field.dart';
+import 'package:paperless_mobile/features/login/view/widgets/form_fields/obscured_input_text_form_field.dart';
 import 'package:paperless_mobile/generated/l10n.dart';
 
 class UserCredentialsFormField extends StatefulWidget {

lib/features/login/view/widgets/login_pages/server_connection_page.dart

@@ -4,8 +4,8 @@ import 'package:paperless_mobile/core/service/connectivity_status_service.dart';
 import 'package:paperless_mobile/core/widgets/paperless_logo.dart';
 import 'package:paperless_mobile/extensions/flutter_extensions.dart';
 import 'package:paperless_mobile/features/login/model/reachability_status.dart';
-import 'package:paperless_mobile/features/login/view/widgets/client_certificate_form_field.dart';
-import 'package:paperless_mobile/features/login/view/widgets/server_address_form_field.dart';
+import 'package:paperless_mobile/features/login/view/widgets/form_fields/client_certificate_form_field.dart';
+import 'package:paperless_mobile/features/login/view/widgets/form_fields/server_address_form_field.dart';
 import 'package:paperless_mobile/generated/l10n.dart';
 import 'package:provider/provider.dart';
 
@@ -28,7 +28,6 @@ class _ServerConnectionPageState extends State<ServerConnectionPage> {
 
   @override
   Widget build(BuildContext context) {
-    final logoHeight = MediaQuery.of(context).size.width / 2;
     return Scaffold(
       appBar: AppBar(
         title: Text(S.of(context).loginPageTitle),
@@ -52,7 +51,7 @@ class _ServerConnectionPageState extends State<ServerConnectionPage> {
           mainAxisAlignment: MainAxisAlignment.end,
           children: [
             FilledButton(
-              child: Text("Continue"),
+              child: Text(S.of(context).loginPageContinueLabel),
               onPressed: _reachabilityStatus == ReachabilityStatus.reachable
                   ? widget.onContinue
                   : null,
@@ -84,31 +83,33 @@ class _ServerConnectionPageState extends State<ServerConnectionPage> {
       case ReachabilityStatus.reachable:
         return _buildIconText(
           Icons.done,
-          "Connection established.",
+          S.of(context).loginPageReachabilitySuccessText,
           Colors.green,
         );
       case ReachabilityStatus.notReachable:
         return _buildIconText(
           Icons.close,
-          "Could not establish a connection to the server.",
+          S.of(context).loginPageReachabilityNotReachableText,
           errorColor,
         );
       case ReachabilityStatus.unknownHost:
         return _buildIconText(
           Icons.close,
-          "Host could not be resolved.",
+          S.of(context).loginPageReachabilityUnresolvedHostText,
           errorColor,
         );
       case ReachabilityStatus.missingClientCertificate:
         return _buildIconText(
           Icons.close,
-          "A client certificate was expected but not sent. Please provide a certificate.",
+          S.of(context).loginPageReachabilityMissingClientCertificateText,
           errorColor,
         );
       case ReachabilityStatus.invalidClientCertificateConfiguration:
         return _buildIconText(
           Icons.close,
-          "Incorrect or missing client certificate passphrase.",
+          S
+              .of(context)
+              .loginPageReachabilityInvalidClientCertificateConfigurationText,
           errorColor,
         );
     }

lib/features/login/view/widgets/login_pages/server_login_page.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:paperless_mobile/features/login/view/widgets/form_fields/server_address_form_field.dart';
+import 'package:paperless_mobile/features/login/view/widgets/form_fields/user_credentials_form_field.dart';
+import 'package:paperless_mobile/generated/l10n.dart';
+
+class ServerLoginPage extends StatefulWidget {
+  final Future<void> Function() onDone;
+  final GlobalKey<FormBuilderState> formBuilderKey;
+  const ServerLoginPage({
+    super.key,
+    required this.onDone,
+    required this.formBuilderKey,
+  });
+
+  @override
+  State<ServerLoginPage> createState() => _ServerLoginPageState();
+}
+
+class _ServerLoginPageState extends State<ServerLoginPage> {
+  bool _isLoginLoading = false;
+  @override
+  Widget build(BuildContext context) {
+    final serverAddress = (widget.formBuilderKey.currentState
+                    ?.getRawValue(ServerAddressFormField.fkServerAddress)
+                as String?)
+            ?.replaceAll(RegExp(r'https?://'), '') ??
+        '';
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(S.of(context).loginPageSignInTitle),
+        bottom: _isLoginLoading
+            ? const PreferredSize(
+                preferredSize: Size.fromHeight(4.0),
+                child: LinearProgressIndicator(),
+              )
+            : null,
+      ),
+      body: ListView(
+        children: [
+          Text(S.of(context).loginPageSignInToPrefixText(serverAddress))
+              .padded(),
+          const UserCredentialsFormField(),
+        ],
+      ),
+      bottomNavigationBar: BottomAppBar(
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.end,
+          children: [
+            FilledButton(
+              onPressed: () async {
+                setState(() => _isLoginLoading = true);
+                await widget.onDone();
+                setState(() => _isLoginLoading = false);
+              },
+              child: Text(S.of(context).loginPageSignInButtonLabel),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/features/login/view/widgets/server_login_page.dart

@@ -1,49 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_form_builder/flutter_form_builder.dart';
-import 'package:paperless_mobile/extensions/flutter_extensions.dart';
-import 'package:paperless_mobile/features/login/view/widgets/server_address_form_field.dart';
-import 'package:paperless_mobile/features/login/view/widgets/user_credentials_form_field.dart';
-
-class ServerLoginPage extends StatefulWidget {
-  final VoidCallback onDone;
-  final GlobalKey<FormBuilderState> formBuilderKey;
-  const ServerLoginPage({
-    super.key,
-    required this.onDone,
-    required this.formBuilderKey,
-  });
-
-  @override
-  State<ServerLoginPage> createState() => _ServerLoginPageState();
-}
-
-class _ServerLoginPageState extends State<ServerLoginPage> {
-  @override
-  Widget build(BuildContext context) {
-    final serverAddress = (widget.formBuilderKey.currentState
-            ?.getRawValue(ServerAddressFormField.fkServerAddress) as String?)
-        ?.replaceAll(RegExp(r'https?://'), '');
-    return Scaffold(
-      appBar: AppBar(
-        title: Text("Sign In"),
-      ),
-      body: ListView(
-        children: [
-          Text("Sign in to $serverAddress").padded(),
-          UserCredentialsFormField(),
-        ],
-      ),
-      bottomNavigationBar: BottomAppBar(
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.end,
-          children: [
-            FilledButton(
-              onPressed: widget.onDone,
-              child: Text("Sign In"),
-            )
-          ],
-        ),
-      ),
-    );
-  }
-}