Added Aging Report

lib/ui/reports/aging_report.dart

@@ -0,0 +1,162 @@
+import 'package:built_collection/built_collection.dart';
+import 'package:invoiceninja_flutter/utils/enums.dart';
+import 'package:invoiceninja_flutter/constants.dart';
+import 'package:invoiceninja_flutter/data/models/tax_rate_model.dart';
+import 'package:invoiceninja_flutter/data/models/company_model.dart';
+import 'package:invoiceninja_flutter/data/models/models.dart';
+import 'package:invoiceninja_flutter/redux/reports/reports_state.dart';
+import 'package:invoiceninja_flutter/redux/static/static_state.dart';
+import 'package:invoiceninja_flutter/ui/reports/reports_screen.dart';
+import 'package:invoiceninja_flutter/utils/formatting.dart';
+import 'package:memoize/memoize.dart';
+
+enum AgingReportFields {
+  age,
+  client,
+  invoice,
+  invoice_amount,
+  invoice_balance,
+  date,
+  due_date,
+  currency
+}
+
+var memoizedAgingReport = memo7((
+  UserCompanyEntity userCompany,
+  ReportsUIState reportsUIState,
+  BuiltMap<String, InvoiceEntity> invoiceMap,
+  BuiltMap<String, ClientEntity> clientMap,
+  BuiltMap<String, PaymentEntity> paymentMap,
+  BuiltMap<String, UserEntity> userMap,
+  StaticState staticState,
+) =>
+    agingReport(userCompany, reportsUIState, invoiceMap, clientMap, paymentMap,
+        userMap, staticState));
+
+ReportResult agingReport(
+  UserCompanyEntity userCompany,
+  ReportsUIState reportsUIState,
+  BuiltMap<String, InvoiceEntity> invoiceMap,
+  BuiltMap<String, ClientEntity> clientMap,
+  BuiltMap<String, PaymentEntity> paymentMap,
+  BuiltMap<String, UserEntity> userMap,
+  StaticState staticState,
+) {
+  final List<List<ReportElement>> data = [];
+  BuiltList<AgingReportFields> columns;
+
+  final reportSettings = userCompany.settings.reportSettings;
+  final agingReportSettings =
+      reportSettings != null && reportSettings.containsKey(kReportAging)
+          ? reportSettings[kReportAging]
+          : ReportSettingsEntity();
+
+  final defaultColumns = [
+    AgingReportFields.invoice,
+    AgingReportFields.age,
+    AgingReportFields.invoice_amount,
+    AgingReportFields.due_date,
+    AgingReportFields.client,
+  ];
+
+  if (agingReportSettings.columns.isNotEmpty) {
+    columns = BuiltList(agingReportSettings.columns
+        .map((e) => EnumUtils.fromString(AgingReportFields.values, e))
+        .toList());
+  } else {
+    columns = BuiltList(defaultColumns);
+  }
+
+  for (var invoiceId in invoiceMap.keys) {
+    final invoice = invoiceMap[invoiceId];
+    final client = clientMap[invoice.clientId];
+
+    int ageInDays = 0;
+    if (invoice.isPastDue && invoice.balance > 0) {
+      final now = DateTime.now();
+      final dueDate = DateTime.tryParse(
+          invoice.partialDueDate == null || invoice.partialDueDate.isEmpty
+              ? invoice.dueDate
+              : invoice.partialDueDate);
+
+      if (dueDate != null) {
+        ageInDays = now.difference(dueDate).inDays;
+      }
+    }
+
+    bool skip = false;
+    final List<ReportElement> row = [];
+
+    for (var column in columns) {
+      dynamic value = '';
+
+      switch (column) {
+        case AgingReportFields.client:
+          value = client.displayName;
+          break;
+        case AgingReportFields.invoice:
+          value = invoice.listDisplayName;
+          break;
+        case AgingReportFields.invoice_amount:
+          value = invoice.amount;
+          break;
+        case AgingReportFields.currency:
+          value = staticState.currencyMap[client.currencyId]?.name ??
+              staticState.currencyMap[client.settings.currencyId]?.name;
+          break;
+        case AgingReportFields.age:
+          value = ageInDays.toDouble();
+          break;
+        case AgingReportFields.invoice_balance:
+          value = invoice.balance;
+          break;
+        case AgingReportFields.date:
+          value = invoice.date;
+          break;
+        case AgingReportFields.due_date:
+          value = invoice.dueDate;
+          break;
+      }
+
+      if (!ReportResult.matchField(
+        value: value,
+        userCompany: userCompany,
+        reportsUIState: reportsUIState,
+        column: EnumUtils.parse(column),
+      )) {
+        skip = true;
+      }
+
+      if (value.runtimeType == bool) {
+        row.add(invoice.getReportBool(value: value));
+      } else if (column == AgingReportFields.age) {
+        row.add(invoice.getReportNumber(
+            value: value,
+            currencyId: client.settings.currencyId,
+            formatNumberType: FormatNumberType.int));
+      } else if (value.runtimeType == double || value.runtimeType == int) {
+        row.add(invoice.getReportNumber(
+            value: value, currencyId: client.settings.currencyId));
+      } else {
+        row.add(invoice.getReportString(value: value));
+      }
+    }
+
+    if (!skip) {
+      data.add(row);
+    }
+  }
+
+  final selectedColumns = columns.map((item) => EnumUtils.parse(item)).toList();
+  data.sort((rowA, rowB) =>
+      sortReportTableRows(rowA, rowB, agingReportSettings, selectedColumns));
+
+  return ReportResult(
+    allColumns:
+        AgingReportFields.values.map((e) => EnumUtils.parse(e)).toList(),
+    columns: columns.map((item) => EnumUtils.parse(item)).toList(),
+    defaultColumns:
+        defaultColumns.map((item) => EnumUtils.parse(item)).toList(),
+    data: data,
+  );
+}

lib/ui/reports/reports_screen.dart

@@ -150,7 +150,7 @@ class ReportsScreen extends StatelessWidget {
                         onChanged: (dynamic value) =>
                             viewModel.onSettingsChanged(report: value),
                         items: [
-                          //kReportAging,
+                          kReportAging,
                           kReportClient,
                           kReportCredit,
                           //kReportDocument,
@@ -479,9 +479,11 @@ ReportColumnType getReportColumnType(String column, BuildContext context) {
     'cost',
     'total',
     'invoice_amount',
+    'invoice_balance',
     'tax_rate',
     'tax_amount',
     'tax_paid',
+    'age',
     'payment_amount'
   ].contains(column)) {
     return ReportColumnType.number;

lib/ui/reports/reports_screen_vm.dart

@@ -12,6 +12,7 @@ import 'package:invoiceninja_flutter/redux/app/app_state.dart';
 import 'package:invoiceninja_flutter/redux/reports/reports_actions.dart';
 import 'package:invoiceninja_flutter/redux/reports/reports_state.dart';
 import 'package:invoiceninja_flutter/redux/settings/settings_actions.dart';
+import 'package:invoiceninja_flutter/ui/reports/aging_report.dart';
 import 'package:invoiceninja_flutter/ui/reports/client_report.dart';
 import 'package:invoiceninja_flutter/ui/reports/document_report.dart';
 import 'package:invoiceninja_flutter/ui/reports/expense_report.dart';
@@ -196,6 +197,17 @@ class ReportsScreenVM {
           state.staticState,
         );
         break;
+      case kReportAging:
+        reportResult = memoizedAgingReport(
+          state.userCompany,
+          state.uiState.reportsUIState,
+          state.invoiceState.map,
+          state.clientState.map,
+          state.paymentState.map,
+          state.userState.map,
+          state.staticState,
+        );
+        break;
       default:
         reportResult = memoizedClientReport(
           state.userCompany,

lib/utils/i18n.dart

@@ -1085,7 +1085,8 @@ mixin LocalizationsProvider on LocaleCodeAware {
       'tax_name': 'Tax Name',
       'tax_amount': 'Tax Amount',
       'tax_paid': 'Tax Paid Amount',
-      'payment_amount': 'Payment Amount'
+      'payment_amount': 'Payment Amount',
+      'age': 'Age'
     },
     'sq': {
       'company1': 'Custom Company 1',
@@ -33036,6 +33037,8 @@ mixin LocalizationsProvider on LocaleCodeAware {
 
   String get paymentAmount => _localizedValues[localeCode]['payment_amount'];
 
+  String get age => _localizedValues[localeCode]['age'];
+
   String lookup(String key) {
     final lookupKey = toSnakeCase(key);
     return _localizedValues[localeCode][lookupKey] ??