Added exchange rate

lib/data/models/invoice_model.dart

@@ -159,7 +159,7 @@ abstract class InvoiceEntity extends Object
       reminder2Sent: '',
       reminder3Sent: '',
       reminderLastSent: '',
-      exchangeRate: 0,
+      exchangeRate: 1,
     );
   }
 

lib/redux/app/app_state.dart

@@ -636,6 +636,8 @@ abstract class AppState implements Built<AppState, AppStateBuilder> {
     //return '${clientState.map[clientUIState.selectedId].gatewayTokens}';
     //return 'gatewayId: ${companyGatewayState.map[companyGatewayUIState.selectedId].gatewayId}';
     //return 'Language Id: ${company.settings.languageId}';
+    //return 'Rates: ${staticState.currencyMap.keys.map((key) => 'Rate: ${staticState.currencyMap[key].exchangeRate}').join(',')}';
+    return 'Client ID: ${invoiceUIState?.editing?.clientId ?? 'NULL'}';
     return '\n\nURL: ${authState.url}\nRoute: ${uiState.currentRoute}\nPrev: ${uiState.previousRoute}\nIs Loaded: ${isLoaded ? 'Yes' : 'No'}\nis Large: ${(company?.isLarge ?? false) ? 'Yes' : 'No'}\nCompany: $companyUpdated${userCompanyState.isStale ? ' [S]' : ''}\nStatic: $staticUpdated${staticState.isStale ? ' [S]' : ''}\n';
   }
 }

lib/redux/group/group_state.dart

@@ -22,6 +22,14 @@ abstract class GroupState implements Built<GroupState, GroupStateBuilder> {
   @memoized
   int get hashCode;
 
+  GroupEntity get(String groupId) {
+    if (map.containsKey(groupId)) {
+      return map[groupId];
+    } else {
+      return GroupEntity(id: groupId);
+    }
+  }
+
   BuiltMap<String, GroupEntity> get map;
   BuiltList<String> get list;
 

lib/ui/credit/edit/credit_edit_details_vm.dart

@@ -72,15 +72,21 @@ class CreditEditDetailsVM extends EntityEditDetailsVM {
   factory CreditEditDetailsVM.fromStore(Store<AppState> store) {
     final AppState state = store.state;
     final credit = state.creditUIState.editing;
+    final company = state.company;
 
     return CreditEditDetailsVM(
       state: state,
-      company: state.company,
+      company: company,
       invoice: credit,
       onChanged: (InvoiceEntity credit) => store.dispatch(UpdateCredit(credit)),
       clientMap: state.clientState.map,
       clientList: state.clientState.list,
       onClientChanged: (invoice, client) {
+        if (company.convertProductExchangeRate && client != null) {
+          store.dispatch(UpdateCredit(credit.rebuild((b) => b
+            ..exchangeRate = state
+                .staticState.currencyMap[client.currencyId].exchangeRate)));
+        }
         store.dispatch(UpdateCreditClient(client: client));
       },
       onAddClientPressed: (context, completer) {

lib/ui/invoice/edit/invoice_edit_desktop.dart

@@ -2,6 +2,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:invoiceninja_flutter/constants.dart';
+import 'package:invoiceninja_flutter/data/models/client_model.dart';
 import 'package:invoiceninja_flutter/data/models/entities.dart';
 import 'package:invoiceninja_flutter/ui/app/form_card.dart';
 import 'package:invoiceninja_flutter/ui/app/forms/app_tab_bar.dart';
@@ -62,7 +63,6 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
   final _privateNotesController = TextEditingController();
   final _termsController = TextEditingController();
   final _footerController = TextEditingController();
-  final _exchangeRateController = TextEditingController();
 
   List<TextEditingController> _controllers = [];
   final _debouncer = Debouncer();
@@ -94,7 +94,6 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
       _privateNotesController,
       _termsController,
       _footerController,
-      _exchangeRateController,
     ];
 
     _controllers
@@ -123,8 +122,6 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
     _privateNotesController.text = invoice.privateNotes;
     _termsController.text = invoice.terms;
     _footerController.text = invoice.footer;
-    _exchangeRateController.text = formatNumber(invoice.exchangeRate, context,
-        formatNumberType: FormatNumberType.input);
 
     _controllers
         .forEach((dynamic controller) => controller.addListener(_onChanged));
@@ -162,8 +159,7 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
         ..publicNotes = _publicNotesController.text.trim()
         ..privateNotes = _privateNotesController.text.trim()
         ..terms = _termsController.text.trim()
-        ..footer = _footerController.text.trim()
+        ..footer = _footerController.text.trim());
-        ..exchangeRate = parseDouble(_exchangeRateController.text));
       if (invoice != widget.viewModel.invoice) {
         widget.viewModel.onChanged(invoice);
       }
@@ -201,8 +197,20 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                       autofocus: kIsWeb,
                       clientId: invoice.clientId,
                       clientState: viewModel.state.clientState,
-                      onSelected: (client) =>
+                      onSelected: (client) {
-                          viewModel.onClientChanged(invoice, client),
+                        viewModel.onClientChanged(invoice, client);
+                        /*
+                        final currencyId = (client as ClientEntity)?.currencyId;
+                        if (company.convertProductExchangeRate &&
+                            client != null) {
+                          _exchangeRateController.text = formatNumber(
+                              viewModel.state.staticState
+                                  .currencyMap[currencyId].exchangeRate,
+                              context,
+                              formatNumberType: FormatNumberType.input);
+                        }
+                         */
+                      },
                       onAddPressed: (completer) =>
                           viewModel.onAddClientPressed(context, completer),
                     )
@@ -441,8 +449,16 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                                 children: [
                                   Expanded(
                                     child: DecoratedFormField(
+                                      key: ValueKey('__rate_${invoice.clientId}__'),
                                       label: localization.exchangeRate,
-                                      controller: _exchangeRateController,
+                                      initialValue: formatNumber(
+                                          invoice.exchangeRate, context,
+                                          formatNumberType:
+                                              FormatNumberType.input),
+                                      onChanged: (value) => viewModel.onChanged(
+                                          invoice.rebuild((b) => b
+                                            ..exchangeRate =
+                                                parseDouble(value))),
                                       keyboardType:
                                           TextInputType.numberWithOptions(
                                               decimal: true),
@@ -534,6 +550,7 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
                         decoration: InputDecoration(
                           labelText: localization.total,
                         ),
+                        textAlign: TextAlign.end,
                         key: ValueKey(
                             '__invoice_total_${invoiceTotal}_${invoice.clientId}__'),
                         initialValue: formatNumber(invoiceTotal, context,

lib/ui/invoice/edit/invoice_edit_details_vm.dart

@@ -91,16 +91,23 @@ class InvoiceEditDetailsVM extends EntityEditDetailsVM {
   factory InvoiceEditDetailsVM.fromStore(Store<AppState> store) {
     final AppState state = store.state;
     final invoice = state.invoiceUIState.editing;
+    final company = state.company;
 
     return InvoiceEditDetailsVM(
       state: state,
-      company: state.company,
+      company: company,
       invoice: invoice,
       onChanged: (InvoiceEntity invoice) =>
           store.dispatch(UpdateInvoice(invoice)),
       clientMap: state.clientState.map,
       clientList: state.clientState.list,
       onClientChanged: (invoice, client) {
+        print('## onClientChanged: ${client?.id}');
+        if (company.convertProductExchangeRate && client != null) {
+          store.dispatch(UpdateInvoice(invoice.rebuild((b) => b
+            ..exchangeRate = state
+                .staticState.currencyMap[client.currencyId].exchangeRate)));
+        }
         store.dispatch(UpdateInvoiceClient(client: client));
       },
       onAddClientPressed: (context, completer) {

lib/ui/invoice/edit/invoice_edit_items_desktop.dart

@@ -228,6 +228,9 @@ class _InvoiceEditItemsDesktopState extends State<InvoiceEditItemsDesktop> {
                         final item = lineItems[index];
                         final product = productState.map[suggestion];
                         final client = state.clientState.get(invoice.clientId);
+                        final currencyId = client.getCurrencyId(
+                            company: company,
+                            group: state.groupState.get(client.groupId));
 
                         double cost = product.price;
                         if (company.convertProductExchangeRate &&
@@ -239,7 +242,7 @@ class _InvoiceEditItemsDesktopState extends State<InvoiceEditItemsDesktop> {
                                   toCurrencyId: client.currencyId);
                           cost = round(
                               cost,
-                              state.staticState.currencyMap[client.currencyId]
+                              state.staticState.currencyMap[currencyId]
                                   .precision);
                         }
 
@@ -428,7 +431,7 @@ class _InvoiceEditItemsDesktopState extends State<InvoiceEditItemsDesktop> {
                     padding: const EdgeInsets.only(right: kTableColumnGap),
                     child: TextFormField(
                       key: ValueKey(
-                          '__total_${index}_${lineItems[index].total}__'),
+                          '__total_${index}_${lineItems[index].total}_${invoice.clientId}__'),
                       readOnly: true,
                       enabled: false,
                       initialValue: formatNumber(

lib/ui/quote/edit/quote_edit_details_vm.dart

@@ -71,15 +71,21 @@ class QuoteEditDetailsVM extends EntityEditDetailsVM {
   factory QuoteEditDetailsVM.fromStore(Store<AppState> store) {
     final AppState state = store.state;
     final quote = state.quoteUIState.editing;
+    final company = state.company;
 
     return QuoteEditDetailsVM(
       state: state,
-      company: state.company,
+      company: company,
       invoice: quote,
       onChanged: (InvoiceEntity quote) => store.dispatch(UpdateQuote(quote)),
       clientMap: state.clientState.map,
       clientList: state.clientState.list,
-      onClientChanged: (invoice, client) {
+      onClientChanged: (quote, client) {
+        if (company.convertProductExchangeRate && client != null) {
+          store.dispatch(UpdateQuote(quote.rebuild((b) => b
+            ..exchangeRate = state
+                .staticState.currencyMap[client.currencyId].exchangeRate)));
+        }
         store.dispatch(UpdateQuoteClient(client: client));
       },
       onAddClientPressed: (context, completer) {

lib/utils/formatting.dart

@@ -107,6 +107,8 @@ String formatNumber(
     return '';
   }
 
+  print('## Formatting... CLIENT: ${client?.name}, CURRENCY: ${currency.name}');
+
   if (formatNumberType == FormatNumberType.money) {
     value = round(value, currency.precision);
   }

lib/utils/money.dart

@@ -15,6 +15,9 @@ double getExchangeRate(BuildContext context,
 
 double getExchangeRateWithMap(BuiltMap<String, CurrencyEntity> currencyMap,
     {String fromCurrencyId, String toCurrencyId}) {
+  if (fromCurrencyId == null || toCurrencyId == null) {
+    return 1;
+  }
   final fromCurrency = currencyMap[fromCurrencyId];
   final toCurrency = currencyMap[toCurrencyId];
   // TODO replace with data from server