Start to update general settings

lib/ui/dialogs/single_input_dialog.dart

@@ -10,6 +10,7 @@ class SingleInputDialog extends StatefulWidget {
   final String label;
   final bool Function(String) checkInput;
   final String errorMessage;
+  final bool canBeEmpty;
 
   const SingleInputDialog({
     Key key,
@@ -19,8 +20,8 @@ class SingleInputDialog extends StatefulWidget {
     @required this.label,
     @required this.checkInput,
     @required this.errorMessage,
+    this.canBeEmpty = false,
   })  : assert(title != null),
-        assert(icon != null),
         assert(label != null),
         assert(checkInput != null),
         assert(errorMessage != null),
@@ -34,7 +35,8 @@ class __InputURLDialogState extends State<SingleInputDialog> {
   TextEditingController _controller;
 
   bool get _isValid =>
-      _controller.text.isNotEmpty && widget.checkInput(_controller.text);
+      (_controller.text.isNotEmpty || widget.canBeEmpty) &&
+      widget.checkInput(_controller.text);
 
   @override
   void initState() {
@@ -50,7 +52,7 @@ class __InputURLDialogState extends State<SingleInputDialog> {
         controller: _controller,
         onChanged: (s) => setState(() {}),
         decoration: InputDecoration(
-          icon: Icon(widget.icon),
+          icon: widget.icon == null ? null : Icon(widget.icon),
           alignLabelWithHint: true,
           labelText: widget.label,
           errorText: _controller.text.isNotEmpty && !_isValid

lib/ui/routes/account_settings/account_settings_route.dart

@@ -1,4 +1,5 @@
 import 'package:comunic/ui/routes/account_settings/account_image_settings.dart';
+import 'package:comunic/ui/routes/account_settings/general_account_settings.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:settings_ui/settings_ui.dart';
@@ -32,6 +33,14 @@ class __AccountSettingsBodyState extends State<_AccountSettingsBody> {
         SettingsSection(
           title: tr("Account settings"),
           tiles: [
+
+            SettingsTile(
+              title: tr("General settings"),
+              subtitle: tr("Configure the main settings of your account"),
+              leading: Icon(Icons.settings),
+              onTap: () => _openSection(GeneralAccountSettingsScreen()),
+            ),
+
             SettingsTile(
               title: tr("Account image"),
               subtitle: tr("Customize your account image"),

lib/ui/routes/account_settings/general_account_settings.dart

@@ -0,0 +1,103 @@
+import 'package:comunic/helpers/settings_helper.dart';
+import 'package:comunic/models/general_settings.dart';
+import 'package:comunic/ui/widgets/async_screen_widget.dart';
+import 'package:comunic/ui/widgets/settings/text_settings_edit_tile.dart';
+import 'package:comunic/utils/account_utils.dart';
+import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/ui_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:settings_ui/settings_ui.dart';
+
+/// General account settings
+///
+/// @author Pierre HUBERT
+
+class GeneralAccountSettingsScreen extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("General settings"),
+      ),
+      body: _GeneralAccountSettingsBody(),
+    );
+  }
+}
+
+class _GeneralAccountSettingsBody extends StatefulWidget {
+  @override
+  __GeneralAccountSettingsBodyState createState() =>
+      __GeneralAccountSettingsBodyState();
+}
+
+class __GeneralAccountSettingsBodyState
+    extends State<_GeneralAccountSettingsBody> {
+  GeneralSettings _settings;
+
+  final _key = GlobalKey<AsyncScreenWidgetState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return AsyncScreenWidget(
+        key: _key,
+        onReload: () async =>
+            _settings = await SettingsHelper.getGeneralSettings(),
+        onBuild: _buildSettings,
+        errorMessage: tr("Could not load general settings!"));
+  }
+
+  Widget _buildSettings() {
+    return SettingsList(
+      sections: [
+        SettingsSection(
+          title: tr("Main account information"),
+          tiles: _mainInformationTiles(),
+        )
+      ],
+    );
+  }
+
+  List<SettingsTile> _mainInformationTiles() {
+    return [
+      SettingsTile(
+        title: tr("User ID"),
+        subtitle: "${userID()}",
+      ),
+      SettingsTile(
+        title: tr("Email address"),
+        subtitle: _settings.email,
+      ),
+
+      // First name
+      TextEditSettingsTile(
+        title: tr("First name"),
+        currValue: _settings.firstName,
+        onChanged: (s) {
+          _settings.firstName = s;
+          _updateSettings();
+        },
+      ),
+
+      // Last name
+      TextEditSettingsTile(
+        title: tr("Last name"),
+        currValue: _settings.lastName,
+        onChanged: (s) {
+          _settings.lastName = s;
+          _updateSettings();
+        },
+      ),
+    ];
+  }
+
+  /// Apply new settings
+  Future<void> _updateSettings() async {
+    try {
+      await SettingsHelper.updateGeneralSettings(_settings);
+    } catch (e, stack) {
+      print("Error while updating settings! $e/n$stack");
+      showSimpleSnack(context, tr("Could not update general settings!"));
+    }
+    _key.currentState.refresh();
+  }
+}

lib/ui/widgets/settings/text_settings_edit_tile.dart

@@ -0,0 +1,60 @@
+import 'package:comunic/ui/dialogs/single_input_dialog.dart';
+import 'package:comunic/utils/intl_utils.dart';
+import 'package:flutter/material.dart';
+import 'package:settings_ui/settings_ui.dart';
+
+/// Text edit settings tile
+///
+/// @author Pierre HUBERT
+
+bool _defaultCheck(String s) => s.isNotEmpty;
+
+class TextEditSettingsTile extends SettingsTile {
+  final String title;
+  final String currValue;
+  final void Function(String) onChanged;
+  final bool Function(String) checkInput;
+  final bool allowEmptyValues;
+
+  bool get readOnly => onChanged == null;
+
+  const TextEditSettingsTile({
+    Key key,
+    @required this.title,
+    @required this.currValue,
+    @required this.onChanged,
+    this.checkInput = _defaultCheck,
+    this.allowEmptyValues = false,
+  })  : assert(title != null),
+        assert(currValue != null),
+        assert(checkInput != null),
+        assert(allowEmptyValues != null);
+
+  @override
+  Widget build(BuildContext context) {
+    return SettingsTile(
+      title: title,
+      subtitle: currValue,
+      onTap: readOnly ? null : () => _changeValue(context),
+    );
+  }
+
+  void _changeValue(BuildContext context) async {
+    final value = await showDialog<String>(
+      context: context,
+      builder: (b) => SingleInputDialog(
+        title: title,
+        icon: null,
+        initialValue: currValue,
+        label: title,
+        checkInput: checkInput,
+        errorMessage: tr("Invalid value!"),
+        canBeEmpty: allowEmptyValues,
+      ),
+    );
+
+    if (value == null) return;
+
+    onChanged(value);
+  }
+}