Track inventory

lib/ui/settings/company_details.dart

@@ -98,17 +98,6 @@ class _CompanyDetailsState extends State<CompanyDetails>
     store.dispatch(UpdateSettingsTab(tabIndex: _controller.index));
   }
 
-  @override
-  void dispose() {
-    _controller.removeListener(_onTabChanged);
-    _controller.dispose();
-    _controllers.forEach((dynamic controller) {
-      controller.removeListener(_onSettingsChanged);
-      controller.dispose();
-    });
-    super.dispose();
-  }
-
   @override
   void didChangeDependencies() {
     _controllers = [
@@ -169,6 +158,18 @@ class _CompanyDetailsState extends State<CompanyDetails>
     super.didChangeDependencies();
   }
 
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    _controller.removeListener(_onTabChanged);
+    _controller.dispose();
+    _controllers.forEach((dynamic controller) {
+      controller.removeListener(_onSettingsChanged);
+      controller.dispose();
+    });
+    super.dispose();
+  }
+
   void _onSettingsChanged() {
     final settings = widget.viewModel.settings.rebuild((b) => b
       ..name = _nameController.text.trim()

lib/ui/settings/product_settings.dart

@@ -6,7 +6,10 @@ import 'package:invoiceninja_flutter/ui/app/edit_scaffold.dart';
 import 'package:invoiceninja_flutter/ui/app/form_card.dart';
 import 'package:invoiceninja_flutter/ui/app/forms/app_form.dart';
 import 'package:invoiceninja_flutter/ui/app/forms/bool_dropdown_button.dart';
+import 'package:invoiceninja_flutter/ui/app/forms/decorated_form_field.dart';
 import 'package:invoiceninja_flutter/ui/settings/product_settings_vm.dart';
+import 'package:invoiceninja_flutter/utils/completers.dart';
+import 'package:invoiceninja_flutter/utils/formatting.dart';
 import 'package:invoiceninja_flutter/utils/localization.dart';
 
 class ProductSettings extends StatefulWidget {
@@ -25,6 +28,9 @@ class _ProductSettingsState extends State<ProductSettings> {
   static final GlobalKey<FormState> _formKey =
       GlobalKey<FormState>(debugLabel: '_productSettings');
   FocusScopeNode _focusNode;
+  final _debouncer = Debouncer(sendFirstAction: true);
+  final _stockThresholdController = TextEditingController();
+  List<TextEditingController> _controllers = [];
 
   @override
   void initState() {
@@ -32,12 +38,49 @@ class _ProductSettingsState extends State<ProductSettings> {
     _focusNode = FocusScopeNode();
   }
 
+  @override
+  void didChangeDependencies() {
+    _controllers = [_stockThresholdController];
+
+    _controllers
+        .forEach((dynamic controller) => controller.removeListener(_onChanged));
+
+    final viewModel = widget.viewModel;
+    final company = viewModel.state.company;
+
+    _stockThresholdController.text = formatNumber(
+      company.stockNotificationThreshold.toDouble(),
+      context,
+      formatNumberType: FormatNumberType.int,
+    );
+
+    _controllers
+        .forEach((dynamic controller) => controller.addListener(_onChanged));
+
+    super.didChangeDependencies();
+  }
+
   @override
   void dispose() {
     _focusNode.dispose();
+    _controllers.forEach((dynamic controller) {
+      controller.removeListener(_onChanged);
+      controller.dispose();
+    });
     super.dispose();
   }
 
+  void _onChanged() {
+    final company = widget.viewModel.company.rebuild((b) => b
+      ..stockNotificationThreshold =
+          parseInt(_stockThresholdController.text.trim()));
+    if (company != widget.viewModel.company) {
+      _debouncer.run(() {
+        widget.viewModel.onCompanyChanged(company);
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final localization = AppLocalization.of(context);
@@ -51,6 +94,32 @@ class _ProductSettingsState extends State<ProductSettings> {
         formKey: _formKey,
         focusNode: _focusNode,
         children: <Widget>[
+          FormCard(
+            children: [
+              SwitchListTile(
+                activeColor: Theme.of(context).colorScheme.secondary,
+                title: Text(localization.trackInventory),
+                value: company.trackInventory,
+                subtitle: Text(localization.trackInventoryHelp),
+                onChanged: (value) => viewModel.onCompanyChanged(
+                    company.rebuild((b) => b..trackInventory = value)),
+              ),
+              SwitchListTile(
+                activeColor: Theme.of(context).colorScheme.secondary,
+                title: Text(localization.stockNotifications),
+                value: company.stockNotification,
+                subtitle: Text(localization.stockNotificationsHelp),
+                onChanged: (value) => viewModel.onCompanyChanged(
+                    company.rebuild((b) => b..stockNotification = value)),
+              ),
+              if (company.trackInventory && company.stockNotification)
+                DecoratedFormField(
+                  keyboardType: TextInputType.number,
+                  controller: _stockThresholdController,
+                  label: localization.notificationThreshold,
+                ),
+            ],
+          ),
           FormCard(
             children: <Widget>[
               SwitchListTile(
@@ -88,6 +157,7 @@ class _ProductSettingsState extends State<ProductSettings> {
             ],
           ),
           FormCard(
+            isLast: true,
             children: <Widget>[
               SwitchListTile(
                 activeColor: Theme.of(context).colorScheme.secondary,
@@ -135,27 +205,6 @@ class _ProductSettingsState extends State<ProductSettings> {
               )
             ],
           ),
-          FormCard(
-            isLast: true,
-            children: [
-              SwitchListTile(
-                activeColor: Theme.of(context).colorScheme.secondary,
-                title: Text(localization.trackInventory),
-                value: company.trackInventory,
-                subtitle: Text(localization.trackInventoryHelp),
-                onChanged: (value) => viewModel.onCompanyChanged(
-                    company.rebuild((b) => b..trackInventory = value)),
-              ),
-              SwitchListTile(
-                activeColor: Theme.of(context).colorScheme.secondary,
-                title: Text(localization.stockNotifications),
-                value: company.stockNotification,
-                subtitle: Text(localization.stockNotificationsHelp),
-                onChanged: (value) => viewModel.onCompanyChanged(
-                    company.rebuild((b) => b..stockNotification = value)),
-              ),
-            ],
-          ),
         ],
       ),
     );

lib/utils/i18n.dart

@@ -16,6 +16,7 @@ mixin LocalizationsProvider on LocaleCodeAware {
   static final Map<String, Map<String, String>> _localizedValues = {
     'en': {
       // STARTER: lang key - do not remove comment
+      'notification_threshold': 'Notification Threshold',
       'track_inventory': 'Track Inventory',
       'track_inventory_help':
           'Display a product stock field and update when invoices are sent',
@@ -70568,6 +70569,11 @@ mixin LocalizationsProvider on LocaleCodeAware {
       _localizedValues[localeCode]['stock_notifications_help'] ??
       _localizedValues['en']['stock_notifications_help'];
 
+  String get notificationThreshold =>
+      _localizedValues[localeCode]['notification_threshold'] ??
+      _localizedValues['en']['notification_threshold'];
+
+
   // STARTER: lang field - do not remove comment
 
   String lookup(String key) {