Health check

lib/data/models/company_model.dart

@@ -295,13 +295,15 @@ abstract class CompanyEntity extends Object
 
   bool get hasCustomSurcharge =>
       hasCustomField(CustomFieldType.surcharge1) ||
-      hasCustomField(CustomFieldType.surcharge2) ||
-      hasCustomField(CustomFieldType.surcharge3) ||
-      hasCustomField(CustomFieldType.surcharge4);
+          hasCustomField(CustomFieldType.surcharge2) ||
+          hasCustomField(CustomFieldType.surcharge3) ||
+          hasCustomField(CustomFieldType.surcharge4);
 
   String getCustomFieldLabel(String field) {
     if (customFields.containsKey(field)) {
-      return customFields[field].split('|').first;
+      return customFields[field]
+          .split('|')
+          .first;
     } else {
       return '';
     }
@@ -309,7 +311,9 @@ abstract class CompanyEntity extends Object
 
   String getCustomFieldType(String field) {
     if ((customFields[field] ?? '').contains('|')) {
-      final value = customFields[field].split('|').last;
+      final value = customFields[field]
+          .split('|')
+          .last;
       if ([kFieldTypeSingleLineText, kFieldTypeDate, kFieldTypeSwitch]
           .contains(value)) {
         return value;
@@ -346,7 +350,9 @@ abstract class CompanyEntity extends Object
   }
 
   // TODO make sure to clear everything
-  CompanyEntity get coreCompany => rebuild((b) => b
+  CompanyEntity get coreCompany =>
+      rebuild((b) =>
+      b
         ..clients.clear()
         ..products.clear()
         ..invoices.clear()
@@ -357,8 +363,8 @@ abstract class CompanyEntity extends Object
         ..projects.clear()
         ..vendors.clear()
         ..expenses.clear()
-      //..designs.clear()
-      //..companyGateways.clear()
+        //..designs.clear()
+        //..companyGateways.clear()
       );
 
   bool isModuleEnabled(EntityType entityType) {
@@ -374,7 +380,7 @@ abstract class CompanyEntity extends Object
     }
 
     if ((entityType == EntityType.invoice ||
-            entityType == EntityType.payment) &&
+        entityType == EntityType.payment) &&
         enabledModules & kModuleInvoices == 0) {
       return false;
     } else if (entityType == EntityType.credit &&
@@ -492,6 +498,7 @@ abstract class GatewayEntity extends Object
   FormatNumberType get listDisplayAmountType => null;
 }
 
+
 abstract class UserCompanyEntity
     implements Built<UserCompanyEntity, UserCompanyEntityBuilder> {
   factory UserCompanyEntity() {
@@ -503,9 +510,10 @@ abstract class UserCompanyEntity
       user: UserEntity(),
       token: TokenEntity(),
       account: AccountEntity(),
-      notifications: BuiltMap<String, BuiltList<String>>().rebuild((b) => b
+      notifications: BuiltMap<String, BuiltList<String>>().rebuild((b) =>
+      b
         ..[kNotificationChannelEmail] =
-            BuiltList<String>(<String>[kNotificationsAll])),
+        BuiltList<String>(<String>[kNotificationsAll])),
     );
   }
 
@@ -575,7 +583,7 @@ abstract class UserCompanyEntity
 
   bool receivesAllNotifications(String channel) =>
       notifications.containsKey(channel) &&
-      notifications[channel].contains(kNotificationsAll);
+          notifications[channel].contains(kNotificationsAll);
 
   bool canView(EntityType entityType) => can(UserPermission.view, entityType);
 
@@ -780,9 +788,9 @@ abstract class SettingsEntity
           groupSettings?.customMessagePaidInvoice ??
           companySettings?.customMessagePaidInvoice,
       customMessageUnapprovedQuote:
-          clientSettings?.customMessageUnapprovedQuote ??
-              groupSettings?.customMessageUnapprovedQuote ??
-              companySettings?.customMessageUnapprovedQuote,
+      clientSettings?.customMessageUnapprovedQuote ??
+          groupSettings?.customMessageUnapprovedQuote ??
+          companySettings?.customMessageUnapprovedQuote,
       lockSentInvoices: clientSettings?.lockSentInvoices ??
           groupSettings?.lockSentInvoices ??
           companySettings?.lockSentInvoices,
@@ -988,7 +996,7 @@ abstract class SettingsEntity
           groupSettings?.requireQuoteSignature ??
           companySettings?.requireQuoteSignature,
       name:
-          clientSettings?.name ?? groupSettings?.name ?? companySettings?.name,
+      clientSettings?.name ?? groupSettings?.name ?? companySettings?.name,
       companyLogo: clientSettings?.companyLogo ??
           groupSettings?.companyLogo ??
           companySettings?.companyLogo,
@@ -1002,7 +1010,7 @@ abstract class SettingsEntity
           groupSettings?.address2 ??
           companySettings?.address2,
       city:
-          clientSettings?.city ?? groupSettings?.city ?? companySettings?.city,
+      clientSettings?.city ?? groupSettings?.city ?? companySettings?.city,
       state: clientSettings?.state ??
           groupSettings?.state ??
           companySettings?.state,
@@ -1885,7 +1893,7 @@ abstract class SettingsEntity
 abstract class CompanyItemResponse
     implements Built<CompanyItemResponse, CompanyItemResponseBuilder> {
   factory CompanyItemResponse([void updates(CompanyItemResponseBuilder b)]) =
-      _$CompanyItemResponse;
+  _$CompanyItemResponse;
 
   CompanyItemResponse._();
 

lib/data/models/health_check.dart

@@ -0,0 +1,65 @@
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+part 'health_check.g.dart';
+
+abstract class HealthCheckResponse
+    implements Built<HealthCheckResponse, HealthCheckResponseBuilder> {
+  factory HealthCheckResponse() {
+    return _$HealthCheckResponse._();
+  }
+
+  HealthCheckResponse._();
+
+  @override
+  @memoized
+  int get hashCode;
+
+  @BuiltValueField(wireName: 'system_health')
+  bool get systemHealth;
+
+  //BuiltList<dynamic> get extensions;
+
+  @BuiltValueField(wireName: 'php_version')
+  HealthCheckPHPResponse get phpVersion;
+
+  @BuiltValueField(wireName: 'env_writable')
+  bool get envWritable;
+
+  @BuiltValueField(wireName: 'simple_db_check')
+  bool get dbCheck;
+
+  @BuiltValueField(wireName: 'npm_status')
+  String get npmStatus;
+
+  @BuiltValueField(wireName: 'node_status')
+  String get nodeStatus;
+
+  static Serializer<HealthCheckResponse> get serializer =>
+      _$healthCheckResponseSerializer;
+}
+
+abstract class HealthCheckPHPResponse
+    implements Built<HealthCheckPHPResponse, HealthCheckPHPResponseBuilder> {
+  factory HealthCheckPHPResponse() {
+    return _$HealthCheckPHPResponse._();
+  }
+
+  HealthCheckPHPResponse._();
+
+  @override
+  @memoized
+  int get hashCode;
+
+  @BuiltValueField(wireName: 'minimum_php_version')
+  double get minimumPHPVersion;
+
+  @BuiltValueField(wireName: 'current_php_version')
+  String get currentPHPVersion;
+
+  @BuiltValueField(wireName: 'is_okay')
+  bool get isOkay;
+
+  static Serializer<HealthCheckPHPResponse> get serializer =>
+      _$healthCheckPHPResponseSerializer;
+}

lib/data/models/health_check.g.dart

@@ -0,0 +1,453 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'health_check.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<HealthCheckResponse> _$healthCheckResponseSerializer =
+    new _$HealthCheckResponseSerializer();
+Serializer<HealthCheckPHPResponse> _$healthCheckPHPResponseSerializer =
+    new _$HealthCheckPHPResponseSerializer();
+
+class _$HealthCheckResponseSerializer
+    implements StructuredSerializer<HealthCheckResponse> {
+  @override
+  final Iterable<Type> types = const [
+    HealthCheckResponse,
+    _$HealthCheckResponse
+  ];
+  @override
+  final String wireName = 'HealthCheckResponse';
+
+  @override
+  Iterable<Object> serialize(
+      Serializers serializers, HealthCheckResponse object,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = <Object>[
+      'system_health',
+      serializers.serialize(object.systemHealth,
+          specifiedType: const FullType(bool)),
+      'php_version',
+      serializers.serialize(object.phpVersion,
+          specifiedType: const FullType(HealthCheckPHPResponse)),
+      'env_writable',
+      serializers.serialize(object.envWritable,
+          specifiedType: const FullType(bool)),
+      'simple_db_check',
+      serializers.serialize(object.dbCheck,
+          specifiedType: const FullType(bool)),
+      'npm_status',
+      serializers.serialize(object.npmStatus,
+          specifiedType: const FullType(String)),
+      'node_status',
+      serializers.serialize(object.nodeStatus,
+          specifiedType: const FullType(String)),
+    ];
+
+    return result;
+  }
+
+  @override
+  HealthCheckResponse deserialize(
+      Serializers serializers, Iterable<Object> serialized,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = new HealthCheckResponseBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current as String;
+      iterator.moveNext();
+      final dynamic value = iterator.current;
+      switch (key) {
+        case 'system_health':
+          result.systemHealth = serializers.deserialize(value,
+              specifiedType: const FullType(bool)) as bool;
+          break;
+        case 'php_version':
+          result.phpVersion.replace(serializers.deserialize(value,
+                  specifiedType: const FullType(HealthCheckPHPResponse))
+              as HealthCheckPHPResponse);
+          break;
+        case 'env_writable':
+          result.envWritable = serializers.deserialize(value,
+              specifiedType: const FullType(bool)) as bool;
+          break;
+        case 'simple_db_check':
+          result.dbCheck = serializers.deserialize(value,
+              specifiedType: const FullType(bool)) as bool;
+          break;
+        case 'npm_status':
+          result.npmStatus = serializers.deserialize(value,
+              specifiedType: const FullType(String)) as String;
+          break;
+        case 'node_status':
+          result.nodeStatus = serializers.deserialize(value,
+              specifiedType: const FullType(String)) as String;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$HealthCheckPHPResponseSerializer
+    implements StructuredSerializer<HealthCheckPHPResponse> {
+  @override
+  final Iterable<Type> types = const [
+    HealthCheckPHPResponse,
+    _$HealthCheckPHPResponse
+  ];
+  @override
+  final String wireName = 'HealthCheckPHPResponse';
+
+  @override
+  Iterable<Object> serialize(
+      Serializers serializers, HealthCheckPHPResponse object,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = <Object>[
+      'minimum_php_version',
+      serializers.serialize(object.minimumPHPVersion,
+          specifiedType: const FullType(double)),
+      'current_php_version',
+      serializers.serialize(object.currentPHPVersion,
+          specifiedType: const FullType(String)),
+      'is_okay',
+      serializers.serialize(object.isOkay, specifiedType: const FullType(bool)),
+    ];
+
+    return result;
+  }
+
+  @override
+  HealthCheckPHPResponse deserialize(
+      Serializers serializers, Iterable<Object> serialized,
+      {FullType specifiedType = FullType.unspecified}) {
+    final result = new HealthCheckPHPResponseBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current as String;
+      iterator.moveNext();
+      final dynamic value = iterator.current;
+      switch (key) {
+        case 'minimum_php_version':
+          result.minimumPHPVersion = serializers.deserialize(value,
+              specifiedType: const FullType(double)) as double;
+          break;
+        case 'current_php_version':
+          result.currentPHPVersion = serializers.deserialize(value,
+              specifiedType: const FullType(String)) as String;
+          break;
+        case 'is_okay':
+          result.isOkay = serializers.deserialize(value,
+              specifiedType: const FullType(bool)) as bool;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$HealthCheckResponse extends HealthCheckResponse {
+  @override
+  final bool systemHealth;
+  @override
+  final HealthCheckPHPResponse phpVersion;
+  @override
+  final bool envWritable;
+  @override
+  final bool dbCheck;
+  @override
+  final String npmStatus;
+  @override
+  final String nodeStatus;
+
+  factory _$HealthCheckResponse(
+          [void Function(HealthCheckResponseBuilder) updates]) =>
+      (new HealthCheckResponseBuilder()..update(updates)).build();
+
+  _$HealthCheckResponse._(
+      {this.systemHealth,
+      this.phpVersion,
+      this.envWritable,
+      this.dbCheck,
+      this.npmStatus,
+      this.nodeStatus})
+      : super._() {
+    if (systemHealth == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'systemHealth');
+    }
+    if (phpVersion == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'phpVersion');
+    }
+    if (envWritable == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'envWritable');
+    }
+    if (dbCheck == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'dbCheck');
+    }
+    if (npmStatus == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'npmStatus');
+    }
+    if (nodeStatus == null) {
+      throw new BuiltValueNullFieldError('HealthCheckResponse', 'nodeStatus');
+    }
+  }
+
+  @override
+  HealthCheckResponse rebuild(
+          void Function(HealthCheckResponseBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  HealthCheckResponseBuilder toBuilder() =>
+      new HealthCheckResponseBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is HealthCheckResponse &&
+        systemHealth == other.systemHealth &&
+        phpVersion == other.phpVersion &&
+        envWritable == other.envWritable &&
+        dbCheck == other.dbCheck &&
+        npmStatus == other.npmStatus &&
+        nodeStatus == other.nodeStatus;
+  }
+
+  int __hashCode;
+  @override
+  int get hashCode {
+    return __hashCode ??= $jf($jc(
+        $jc(
+            $jc(
+                $jc($jc($jc(0, systemHealth.hashCode), phpVersion.hashCode),
+                    envWritable.hashCode),
+                dbCheck.hashCode),
+            npmStatus.hashCode),
+        nodeStatus.hashCode));
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper('HealthCheckResponse')
+          ..add('systemHealth', systemHealth)
+          ..add('phpVersion', phpVersion)
+          ..add('envWritable', envWritable)
+          ..add('dbCheck', dbCheck)
+          ..add('npmStatus', npmStatus)
+          ..add('nodeStatus', nodeStatus))
+        .toString();
+  }
+}
+
+class HealthCheckResponseBuilder
+    implements Builder<HealthCheckResponse, HealthCheckResponseBuilder> {
+  _$HealthCheckResponse _$v;
+
+  bool _systemHealth;
+  bool get systemHealth => _$this._systemHealth;
+  set systemHealth(bool systemHealth) => _$this._systemHealth = systemHealth;
+
+  HealthCheckPHPResponseBuilder _phpVersion;
+  HealthCheckPHPResponseBuilder get phpVersion =>
+      _$this._phpVersion ??= new HealthCheckPHPResponseBuilder();
+  set phpVersion(HealthCheckPHPResponseBuilder phpVersion) =>
+      _$this._phpVersion = phpVersion;
+
+  bool _envWritable;
+  bool get envWritable => _$this._envWritable;
+  set envWritable(bool envWritable) => _$this._envWritable = envWritable;
+
+  bool _dbCheck;
+  bool get dbCheck => _$this._dbCheck;
+  set dbCheck(bool dbCheck) => _$this._dbCheck = dbCheck;
+
+  String _npmStatus;
+  String get npmStatus => _$this._npmStatus;
+  set npmStatus(String npmStatus) => _$this._npmStatus = npmStatus;
+
+  String _nodeStatus;
+  String get nodeStatus => _$this._nodeStatus;
+  set nodeStatus(String nodeStatus) => _$this._nodeStatus = nodeStatus;
+
+  HealthCheckResponseBuilder();
+
+  HealthCheckResponseBuilder get _$this {
+    if (_$v != null) {
+      _systemHealth = _$v.systemHealth;
+      _phpVersion = _$v.phpVersion?.toBuilder();
+      _envWritable = _$v.envWritable;
+      _dbCheck = _$v.dbCheck;
+      _npmStatus = _$v.npmStatus;
+      _nodeStatus = _$v.nodeStatus;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(HealthCheckResponse other) {
+    if (other == null) {
+      throw new ArgumentError.notNull('other');
+    }
+    _$v = other as _$HealthCheckResponse;
+  }
+
+  @override
+  void update(void Function(HealthCheckResponseBuilder) updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  _$HealthCheckResponse build() {
+    _$HealthCheckResponse _$result;
+    try {
+      _$result = _$v ??
+          new _$HealthCheckResponse._(
+              systemHealth: systemHealth,
+              phpVersion: phpVersion.build(),
+              envWritable: envWritable,
+              dbCheck: dbCheck,
+              npmStatus: npmStatus,
+              nodeStatus: nodeStatus);
+    } catch (_) {
+      String _$failedField;
+      try {
+        _$failedField = 'phpVersion';
+        phpVersion.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+            'HealthCheckResponse', _$failedField, e.toString());
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+class _$HealthCheckPHPResponse extends HealthCheckPHPResponse {
+  @override
+  final double minimumPHPVersion;
+  @override
+  final String currentPHPVersion;
+  @override
+  final bool isOkay;
+
+  factory _$HealthCheckPHPResponse(
+          [void Function(HealthCheckPHPResponseBuilder) updates]) =>
+      (new HealthCheckPHPResponseBuilder()..update(updates)).build();
+
+  _$HealthCheckPHPResponse._(
+      {this.minimumPHPVersion, this.currentPHPVersion, this.isOkay})
+      : super._() {
+    if (minimumPHPVersion == null) {
+      throw new BuiltValueNullFieldError(
+          'HealthCheckPHPResponse', 'minimumPHPVersion');
+    }
+    if (currentPHPVersion == null) {
+      throw new BuiltValueNullFieldError(
+          'HealthCheckPHPResponse', 'currentPHPVersion');
+    }
+    if (isOkay == null) {
+      throw new BuiltValueNullFieldError('HealthCheckPHPResponse', 'isOkay');
+    }
+  }
+
+  @override
+  HealthCheckPHPResponse rebuild(
+          void Function(HealthCheckPHPResponseBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  HealthCheckPHPResponseBuilder toBuilder() =>
+      new HealthCheckPHPResponseBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is HealthCheckPHPResponse &&
+        minimumPHPVersion == other.minimumPHPVersion &&
+        currentPHPVersion == other.currentPHPVersion &&
+        isOkay == other.isOkay;
+  }
+
+  int __hashCode;
+  @override
+  int get hashCode {
+    return __hashCode ??= $jf($jc(
+        $jc($jc(0, minimumPHPVersion.hashCode), currentPHPVersion.hashCode),
+        isOkay.hashCode));
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper('HealthCheckPHPResponse')
+          ..add('minimumPHPVersion', minimumPHPVersion)
+          ..add('currentPHPVersion', currentPHPVersion)
+          ..add('isOkay', isOkay))
+        .toString();
+  }
+}
+
+class HealthCheckPHPResponseBuilder
+    implements Builder<HealthCheckPHPResponse, HealthCheckPHPResponseBuilder> {
+  _$HealthCheckPHPResponse _$v;
+
+  double _minimumPHPVersion;
+  double get minimumPHPVersion => _$this._minimumPHPVersion;
+  set minimumPHPVersion(double minimumPHPVersion) =>
+      _$this._minimumPHPVersion = minimumPHPVersion;
+
+  String _currentPHPVersion;
+  String get currentPHPVersion => _$this._currentPHPVersion;
+  set currentPHPVersion(String currentPHPVersion) =>
+      _$this._currentPHPVersion = currentPHPVersion;
+
+  bool _isOkay;
+  bool get isOkay => _$this._isOkay;
+  set isOkay(bool isOkay) => _$this._isOkay = isOkay;
+
+  HealthCheckPHPResponseBuilder();
+
+  HealthCheckPHPResponseBuilder get _$this {
+    if (_$v != null) {
+      _minimumPHPVersion = _$v.minimumPHPVersion;
+      _currentPHPVersion = _$v.currentPHPVersion;
+      _isOkay = _$v.isOkay;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(HealthCheckPHPResponse other) {
+    if (other == null) {
+      throw new ArgumentError.notNull('other');
+    }
+    _$v = other as _$HealthCheckPHPResponse;
+  }
+
+  @override
+  void update(void Function(HealthCheckPHPResponseBuilder) updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  _$HealthCheckPHPResponse build() {
+    final _$result = _$v ??
+        new _$HealthCheckPHPResponse._(
+            minimumPHPVersion: minimumPHPVersion,
+            currentPHPVersion: currentPHPVersion,
+            isOkay: isOkay);
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: always_put_control_body_on_new_line,always_specify_types,annotate_overrides,avoid_annotating_with_dynamic,avoid_as,avoid_catches_without_on_clauses,avoid_returning_this,lines_longer_than_80_chars,omit_local_variable_types,prefer_expression_function_bodies,sort_constructors_first,test_types_in_equals,unnecessary_const,unnecessary_new

lib/data/models/serializers.dart

@@ -7,6 +7,7 @@ import 'package:invoiceninja_flutter/data/models/company_model.dart';
 import 'package:invoiceninja_flutter/data/models/gateway_token_model.dart';
 import 'package:invoiceninja_flutter/data/models/expense_model.dart';
 import 'package:invoiceninja_flutter/data/models/group_model.dart';
+import 'package:invoiceninja_flutter/data/models/health_check.dart';
 import 'package:invoiceninja_flutter/data/models/invoice_model.dart';
 import 'package:invoiceninja_flutter/data/models/models.dart';
 import 'package:invoiceninja_flutter/data/models/entities.dart';
@@ -141,6 +142,7 @@ part 'serializers.g.dart';
   GatewayTokenItemResponse,
   UserCompanyItemResponse,
   DesignPreviewRequest,
+  HealthCheckResponse,
 ])
 final Serializers serializers =
     (_$serializers.toBuilder()..addPlugin(StandardJsonPlugin())).build();

lib/data/models/serializers.g.dart

@@ -78,6 +78,8 @@ Serializers _$serializers = (new Serializers().toBuilder()
       ..add(GroupListResponse.serializer)
       ..add(GroupState.serializer)
       ..add(GroupUIState.serializer)
+      ..add(HealthCheckPHPResponse.serializer)
+      ..add(HealthCheckResponse.serializer)
       ..add(HistoryRecord.serializer)
       ..add(IndustryEntity.serializer)
       ..add(IndustryItemResponse.serializer)

lib/redux/app/app_state.dart

@@ -589,6 +589,8 @@ abstract class AppState implements Built<AppState, AppStateBuilder> {
 
   bool get isStaging => cleanApiUrl(authState.url) == kAppStagingUrl;
 
+  bool get isProduction => cleanApiUrl(authState.url) == kAppProductionUrl;
+
   bool get isWhiteLabeled => isSelfHosted || account.plan == kPlanWhiteLabel;
 
   /* TODO re-enable

lib/ui/app/dialogs/health_check_dialog.dart

@@ -0,0 +1,93 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_redux/flutter_redux.dart';
+import 'package:invoiceninja_flutter/data/models/health_check.dart';
+import 'package:invoiceninja_flutter/data/models/serializers.dart';
+import 'package:invoiceninja_flutter/data/web_client.dart';
+import 'package:invoiceninja_flutter/redux/app/app_state.dart';
+import 'package:invoiceninja_flutter/ui/app/form_card.dart';
+import 'package:invoiceninja_flutter/ui/app/loading_indicator.dart';
+import 'package:invoiceninja_flutter/utils/localization.dart';
+
+class HealthCheckDialog extends StatefulWidget {
+  @override
+  _HealthCheckDialogState createState() => _HealthCheckDialogState();
+}
+
+class _HealthCheckDialogState extends State<HealthCheckDialog> {
+  HealthCheckResponse _response;
+
+  @override
+  void initState() {
+    super.initState();
+
+    print('## INIT STATE');
+  }
+
+  @override
+  void didChangeDependencies() {
+    print('## didChangeDependencies');
+
+    if (_response == null) {
+      runCheck();
+    }
+    super.didChangeDependencies();
+  }
+
+  void runCheck() {
+    print('## RUN CHECK');
+
+    setState(() {
+      _response = null;
+    });
+
+    final webClient = WebClient();
+    final state = StoreProvider.of<AppState>(context).state;
+    final credentials = state.credentials;
+    final url = '${credentials.url}/health_check';
+
+    webClient.get(url, credentials.token).then((dynamic response) {
+      print('## response: $response');
+      setState(() {
+        //_response = json.decode(response);
+        _response = serializers.deserializeWith(
+            HealthCheckResponse.serializer, response);
+      });
+    }).catchError((dynamic error) {
+      print('## error: $error');
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final localization = AppLocalization.of(context);
+
+    return AlertDialog(
+      content: _response == null
+          ? LoadingIndicator()
+          : Column(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                ListTile(
+                  title: Text('System Health'),
+                  subtitle: Text(_response.systemHealth ? 'Passed' : 'Failed'),
+                  trailing: Icon(_response.systemHealth
+                      ? Icons.check_circle_outline
+                      : Icons.error_outline),
+                ),
+              ],
+            ),
+      actions: _response == null
+          ? []
+          : [
+              FlatButton(
+                child: Text(localization.refresh.toUpperCase()),
+                onPressed: () => runCheck(),
+              ),
+              FlatButton(
+                child: Text(localization.close.toUpperCase()),
+                onPressed: () => Navigator.of(context).pop(),
+              )
+            ],
+    );
+  }
+}

lib/ui/app/menu_drawer.dart

@@ -3,11 +3,14 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:invoiceninja_flutter/data/web_client.dart';
 import 'package:invoiceninja_flutter/redux/app/app_actions.dart';
 import 'package:invoiceninja_flutter/redux/ui/pref_state.dart';
+import 'package:invoiceninja_flutter/ui/app/buttons/elevated_button.dart';
 import 'package:invoiceninja_flutter/ui/app/dialogs/alert_dialog.dart';
 import 'package:invoiceninja_flutter/ui/app/dialogs/error_dialog.dart';
+import 'package:invoiceninja_flutter/ui/app/dialogs/health_check_dialog.dart';
 import 'package:invoiceninja_flutter/ui/app/forms/app_dropdown_button.dart';
 import 'package:invoiceninja_flutter/ui/app/resources/cached_image.dart';
 import 'package:invoiceninja_flutter/ui/system/update_dialog.dart';
@@ -745,7 +748,7 @@ void _showAbout(BuildContext context) async {
     applicationLegalese: '© ${DateTime.now().year} Invoice Ninja',
     children: <Widget>[
       Padding(
-        padding: const EdgeInsets.only(top: 24.0),
+        padding: const EdgeInsets.only(top: 24),
         child: RichText(
           text: TextSpan(
             children: <TextSpan>[
@@ -771,6 +774,21 @@ void _showAbout(BuildContext context) async {
           ),
         ),
       ),
+      //if (!state.isProduction) // TODO enable this check
+      Padding(
+        padding: const EdgeInsets.only(top: 24),
+        child: AppButton(
+          label: localization.healthCheck.toUpperCase(),
+          iconData: FontAwesomeIcons.shieldAlt,
+          onPressed: () {
+            showDialog<HealthCheckDialog>(
+                context: context,
+                builder: (BuildContext context) {
+                  return HealthCheckDialog();
+                });
+          },
+        ),
+      ),
     ],
   );
 }