diff --git a/lib/content_views/approach_area_page.dart b/lib/content_views/approach_area_page.dart
index dbdc0a7..a9c7192 100644
--- a/lib/content_views/approach_area_page.dart
+++ b/lib/content_views/approach_area_page.dart
@@ -10,6 +10,7 @@ import 'package:stadtbote/popups/tasks_popups/zip_popup.dart';
 import 'package:stadtbote/protocoll_messages/zip_message.dart';
 import 'package:stadtbote/tools/constants.dart';
 import 'package:stadtbote/tools/message_service.dart';
+import 'package:stadtbote/tools/messages/ranking_updated.dart';
 import 'package:stadtbote/tools/mqtt_core.dart';
 
 import '../tools/util.dart';
@@ -40,7 +41,7 @@ class ApproachAreaPage extends ContentViewWidget {
 }
 
 class _ApproachAreaPageState extends State<ApproachAreaPage> {
-  late List<Rank>? _ranking;
+  late Ranking? _ranking;
 
   late bool _initCompleted = false;
 
@@ -49,12 +50,10 @@ class _ApproachAreaPageState extends State<ApproachAreaPage> {
     super.initState();
 
     Future.delayed(const Duration(seconds: 0), () async {
-      _ranking = await MyApp.isarInstance.ranks.where().findAll();
+      _ranking = await MyApp.isarInstance.rankings.where().findFirst();
 
       _initCompleted = true;
 
-      _sendZip(Rank(), "24893");
-
       setState(() {});
     });
 
@@ -74,6 +73,8 @@ class _ApproachAreaPageState extends State<ApproachAreaPage> {
       return Util.getWaitWidget(context);
     }
 
+    _fillColumns();
+
     return Padding(
       padding: const EdgeInsets.all(8.0),
       child: InteractiveViewer(
@@ -93,8 +94,8 @@ class _ApproachAreaPageState extends State<ApproachAreaPage> {
     List<Widget> columns = [];
 
     if (_ranking != null) {
-      for (int i = 0; i < _ranking!.length; i++) {
-        var rank = _ranking![i];
+      for (int i = 0; i < _ranking!.ranks.length; i++) {
+        var rank = _ranking!.ranks[i];
 
         List<Widget> entries = [];
         entries.add(
@@ -196,10 +197,10 @@ class _ApproachAreaPageState extends State<ApproachAreaPage> {
   }
 
   _initMessages() {
-    /*MessageService().subscribe<RankingUpdated>(Constants.messageTopicRankingUpdated, this, (rankingUpdateMessage) async {
+    MessageService().subscribe<RankingUpdated>(Constants.messageTopicRankingUpdated, this, (rankingUpdateMessage) async {
       _ranking = await MyApp.isarInstance.rankings.where().findFirst();
 
       setState(() {});
-    });*/
+    });
   }
 }
\ No newline at end of file
diff --git a/lib/content_views/messages_page.dart b/lib/content_views/messages_page.dart
index 4b55d7d..b54731b 100644
--- a/lib/content_views/messages_page.dart
+++ b/lib/content_views/messages_page.dart
@@ -129,7 +129,7 @@ class _MessagesPageState extends State<MessagesPage> {
         author: message.from == _sid ? _user : _central,
         createdAt: DateTime.parse(message.time).toLocal().millisecondsSinceEpoch,
         id: message.id.toString(),
-        text: message.text,
+        text: message.subj + "\n" + message.text,
       ));
 
       _messages.sort((a, b) => b.createdAt! > a.createdAt! ? 1 : 0);
diff --git a/lib/main.dart b/lib/main.dart
index df294e9..db8c447 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -40,7 +40,7 @@ Future<void> main() async {
     MessageSchema,
     EnqueuedMessageSchema,
     LogEntrySchema,
-    RankSchema
+    RankingSchema
   ], directory: dir.path);
 
   runZonedGuarded(() {}, (error, stackTrace) {
diff --git a/lib/model/rank.dart b/lib/model/rank.dart
index dfb76f2..05e247d 100644
--- a/lib/model/rank.dart
+++ b/lib/model/rank.dart
@@ -5,15 +5,29 @@ part 'rank.g.dart';
 
 @collection
 @JsonSerializable()
+class Ranking {
+  @JsonValue(0)
+  late Id? id = Isar.autoIncrement;
+
+  @JsonKey(name: "ranking")
+  late List<Rank> ranks;
+
+  Ranking();
+
+  factory Ranking.fromJson(Map<String, dynamic> json) => _$RankingFromJson(json);
+
+  Map<String, dynamic> toJson() => _$RankingToJson(this);
+}
+
+@embedded
+@JsonSerializable()
 class Rank {
-  late Id id;
+  late int id;
 
   late String zip;
 
   late String area;
 
-  late int time;
-
   late List<Vehicle> vehicles;
 
   Rank();
diff --git a/lib/model/rank.g.dart b/lib/model/rank.g.dart
index 336ccad..096128a 100644
--- a/lib/model/rank.g.dart
+++ b/lib/model/rank.g.dart
@@ -9,11 +9,402 @@ part of 'rank.dart';
 // coverage:ignore-file
 // ignore_for_file: duplicate_ignore, non_constant_identifier_names, constant_identifier_names, invalid_use_of_protected_member, unnecessary_cast, prefer_const_constructors, lines_longer_than_80_chars, require_trailing_commas, inference_failure_on_function_invocation, unnecessary_parenthesis, unnecessary_raw_strings, unnecessary_null_checks, join_return_with_assignment, prefer_final_locals, avoid_js_rounded_ints, avoid_positional_boolean_parameters, always_specify_types
 
-extension GetRankCollection on Isar {
-  IsarCollection<Rank> get ranks => this.collection();
+extension GetRankingCollection on Isar {
+  IsarCollection<Ranking> get rankings => this.collection();
 }
 
-const RankSchema = CollectionSchema(
+const RankingSchema = CollectionSchema(
+  name: r'Ranking',
+  id: 923686411839286896,
+  properties: {
+    r'ranks': PropertySchema(
+      id: 0,
+      name: r'ranks',
+      type: IsarType.objectList,
+      target: r'Rank',
+    )
+  },
+  estimateSize: _rankingEstimateSize,
+  serialize: _rankingSerialize,
+  deserialize: _rankingDeserialize,
+  deserializeProp: _rankingDeserializeProp,
+  idName: r'id',
+  indexes: {},
+  links: {},
+  embeddedSchemas: {r'Rank': RankSchema, r'Vehicle': VehicleSchema},
+  getId: _rankingGetId,
+  getLinks: _rankingGetLinks,
+  attach: _rankingAttach,
+  version: '3.1.0+1',
+);
+
+int _rankingEstimateSize(
+  Ranking object,
+  List<int> offsets,
+  Map<Type, List<int>> allOffsets,
+) {
+  var bytesCount = offsets.last;
+  bytesCount += 3 + object.ranks.length * 3;
+  {
+    final offsets = allOffsets[Rank]!;
+    for (var i = 0; i < object.ranks.length; i++) {
+      final value = object.ranks[i];
+      bytesCount += RankSchema.estimateSize(value, offsets, allOffsets);
+    }
+  }
+  return bytesCount;
+}
+
+void _rankingSerialize(
+  Ranking object,
+  IsarWriter writer,
+  List<int> offsets,
+  Map<Type, List<int>> allOffsets,
+) {
+  writer.writeObjectList<Rank>(
+    offsets[0],
+    allOffsets,
+    RankSchema.serialize,
+    object.ranks,
+  );
+}
+
+Ranking _rankingDeserialize(
+  Id id,
+  IsarReader reader,
+  List<int> offsets,
+  Map<Type, List<int>> allOffsets,
+) {
+  final object = Ranking();
+  object.id = id;
+  object.ranks = reader.readObjectList<Rank>(
+        offsets[0],
+        RankSchema.deserialize,
+        allOffsets,
+        Rank(),
+      ) ??
+      [];
+  return object;
+}
+
+P _rankingDeserializeProp<P>(
+  IsarReader reader,
+  int propertyId,
+  int offset,
+  Map<Type, List<int>> allOffsets,
+) {
+  switch (propertyId) {
+    case 0:
+      return (reader.readObjectList<Rank>(
+            offset,
+            RankSchema.deserialize,
+            allOffsets,
+            Rank(),
+          ) ??
+          []) as P;
+    default:
+      throw IsarError('Unknown property with id $propertyId');
+  }
+}
+
+Id _rankingGetId(Ranking object) {
+  return object.id ?? Isar.autoIncrement;
+}
+
+List<IsarLinkBase<dynamic>> _rankingGetLinks(Ranking object) {
+  return [];
+}
+
+void _rankingAttach(IsarCollection<dynamic> col, Id id, Ranking object) {
+  object.id = id;
+}
+
+extension RankingQueryWhereSort on QueryBuilder<Ranking, Ranking, QWhere> {
+  QueryBuilder<Ranking, Ranking, QAfterWhere> anyId() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addWhereClause(const IdWhereClause.any());
+    });
+  }
+}
+
+extension RankingQueryWhere on QueryBuilder<Ranking, Ranking, QWhereClause> {
+  QueryBuilder<Ranking, Ranking, QAfterWhereClause> idEqualTo(Id id) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addWhereClause(IdWhereClause.between(
+        lower: id,
+        upper: id,
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterWhereClause> idNotEqualTo(Id id) {
+    return QueryBuilder.apply(this, (query) {
+      if (query.whereSort == Sort.asc) {
+        return query
+            .addWhereClause(
+              IdWhereClause.lessThan(upper: id, includeUpper: false),
+            )
+            .addWhereClause(
+              IdWhereClause.greaterThan(lower: id, includeLower: false),
+            );
+      } else {
+        return query
+            .addWhereClause(
+              IdWhereClause.greaterThan(lower: id, includeLower: false),
+            )
+            .addWhereClause(
+              IdWhereClause.lessThan(upper: id, includeUpper: false),
+            );
+      }
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterWhereClause> idGreaterThan(Id id,
+      {bool include = false}) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addWhereClause(
+        IdWhereClause.greaterThan(lower: id, includeLower: include),
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterWhereClause> idLessThan(Id id,
+      {bool include = false}) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addWhereClause(
+        IdWhereClause.lessThan(upper: id, includeUpper: include),
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterWhereClause> idBetween(
+    Id lowerId,
+    Id upperId, {
+    bool includeLower = true,
+    bool includeUpper = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addWhereClause(IdWhereClause.between(
+        lower: lowerId,
+        includeLower: includeLower,
+        upper: upperId,
+        includeUpper: includeUpper,
+      ));
+    });
+  }
+}
+
+extension RankingQueryFilter
+    on QueryBuilder<Ranking, Ranking, QFilterCondition> {
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idIsNull() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(const FilterCondition.isNull(
+        property: r'id',
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idIsNotNull() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(const FilterCondition.isNotNull(
+        property: r'id',
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idEqualTo(Id? value) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.equalTo(
+        property: r'id',
+        value: value,
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idGreaterThan(
+    Id? value, {
+    bool include = false,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.greaterThan(
+        include: include,
+        property: r'id',
+        value: value,
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idLessThan(
+    Id? value, {
+    bool include = false,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.lessThan(
+        include: include,
+        property: r'id',
+        value: value,
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> idBetween(
+    Id? lower,
+    Id? upper, {
+    bool includeLower = true,
+    bool includeUpper = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.addFilterCondition(FilterCondition.between(
+        property: r'id',
+        lower: lower,
+        includeLower: includeLower,
+        upper: upper,
+        includeUpper: includeUpper,
+      ));
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksLengthEqualTo(
+      int length) {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        length,
+        true,
+        length,
+        true,
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksIsEmpty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        0,
+        true,
+        0,
+        true,
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksIsNotEmpty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        0,
+        false,
+        999999,
+        true,
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksLengthLessThan(
+    int length, {
+    bool include = false,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        0,
+        true,
+        length,
+        include,
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksLengthGreaterThan(
+    int length, {
+    bool include = false,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        length,
+        include,
+        999999,
+        true,
+      );
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksLengthBetween(
+    int lower,
+    int upper, {
+    bool includeLower = true,
+    bool includeUpper = true,
+  }) {
+    return QueryBuilder.apply(this, (query) {
+      return query.listLength(
+        r'ranks',
+        lower,
+        includeLower,
+        upper,
+        includeUpper,
+      );
+    });
+  }
+}
+
+extension RankingQueryObject
+    on QueryBuilder<Ranking, Ranking, QFilterCondition> {
+  QueryBuilder<Ranking, Ranking, QAfterFilterCondition> ranksElement(
+      FilterQuery<Rank> q) {
+    return QueryBuilder.apply(this, (query) {
+      return query.object(q, r'ranks');
+    });
+  }
+}
+
+extension RankingQueryLinks
+    on QueryBuilder<Ranking, Ranking, QFilterCondition> {}
+
+extension RankingQuerySortBy on QueryBuilder<Ranking, Ranking, QSortBy> {}
+
+extension RankingQuerySortThenBy
+    on QueryBuilder<Ranking, Ranking, QSortThenBy> {
+  QueryBuilder<Ranking, Ranking, QAfterSortBy> thenById() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'id', Sort.asc);
+    });
+  }
+
+  QueryBuilder<Ranking, Ranking, QAfterSortBy> thenByIdDesc() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addSortBy(r'id', Sort.desc);
+    });
+  }
+}
+
+extension RankingQueryWhereDistinct
+    on QueryBuilder<Ranking, Ranking, QDistinct> {}
+
+extension RankingQueryProperty
+    on QueryBuilder<Ranking, Ranking, QQueryProperty> {
+  QueryBuilder<Ranking, int, QQueryOperations> idProperty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addPropertyName(r'id');
+    });
+  }
+
+  QueryBuilder<Ranking, List<Rank>, QQueryOperations> ranksProperty() {
+    return QueryBuilder.apply(this, (query) {
+      return query.addPropertyName(r'ranks');
+    });
+  }
+}
+
+// **************************************************************************
+// IsarEmbeddedGenerator
+// **************************************************************************
+
+// coverage:ignore-file
+// ignore_for_file: duplicate_ignore, non_constant_identifier_names, constant_identifier_names, invalid_use_of_protected_member, unnecessary_cast, prefer_const_constructors, lines_longer_than_80_chars, require_trailing_commas, inference_failure_on_function_invocation, unnecessary_parenthesis, unnecessary_raw_strings, unnecessary_null_checks, join_return_with_assignment, prefer_final_locals, avoid_js_rounded_ints, avoid_positional_boolean_parameters, always_specify_types
+
+const RankSchema = Schema(
   name: r'Rank',
   id: 4990427334210593033,
   properties: {
@@ -22,9 +413,9 @@ const RankSchema = CollectionSchema(
       name: r'area',
       type: IsarType.string,
     ),
-    r'time': PropertySchema(
+    r'id': PropertySchema(
       id: 1,
-      name: r'time',
+      name: r'id',
       type: IsarType.long,
     ),
     r'vehicles': PropertySchema(
@@ -43,14 +434,6 @@ const RankSchema = CollectionSchema(
   serialize: _rankSerialize,
   deserialize: _rankDeserialize,
   deserializeProp: _rankDeserializeProp,
-  idName: r'id',
-  indexes: {},
-  links: {},
-  embeddedSchemas: {r'Vehicle': VehicleSchema},
-  getId: _rankGetId,
-  getLinks: _rankGetLinks,
-  attach: _rankAttach,
-  version: '3.1.0+1',
 );
 
 int _rankEstimateSize(
@@ -79,7 +462,7 @@ void _rankSerialize(
   Map<Type, List<int>> allOffsets,
 ) {
   writer.writeString(offsets[0], object.area);
-  writer.writeLong(offsets[1], object.time);
+  writer.writeLong(offsets[1], object.id);
   writer.writeObjectList<Vehicle>(
     offsets[2],
     allOffsets,
@@ -97,8 +480,7 @@ Rank _rankDeserialize(
 ) {
   final object = Rank();
   object.area = reader.readString(offsets[0]);
-  object.id = id;
-  object.time = reader.readLong(offsets[1]);
+  object.id = reader.readLong(offsets[1]);
   object.vehicles = reader.readObjectList<Vehicle>(
         offsets[2],
         VehicleSchema.deserialize,
@@ -136,93 +518,6 @@ P _rankDeserializeProp<P>(
   }
 }
 
-Id _rankGetId(Rank object) {
-  return object.id;
-}
-
-List<IsarLinkBase<dynamic>> _rankGetLinks(Rank object) {
-  return [];
-}
-
-void _rankAttach(IsarCollection<dynamic> col, Id id, Rank object) {
-  object.id = id;
-}
-
-extension RankQueryWhereSort on QueryBuilder<Rank, Rank, QWhere> {
-  QueryBuilder<Rank, Rank, QAfterWhere> anyId() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addWhereClause(const IdWhereClause.any());
-    });
-  }
-}
-
-extension RankQueryWhere on QueryBuilder<Rank, Rank, QWhereClause> {
-  QueryBuilder<Rank, Rank, QAfterWhereClause> idEqualTo(Id id) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addWhereClause(IdWhereClause.between(
-        lower: id,
-        upper: id,
-      ));
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterWhereClause> idNotEqualTo(Id id) {
-    return QueryBuilder.apply(this, (query) {
-      if (query.whereSort == Sort.asc) {
-        return query
-            .addWhereClause(
-              IdWhereClause.lessThan(upper: id, includeUpper: false),
-            )
-            .addWhereClause(
-              IdWhereClause.greaterThan(lower: id, includeLower: false),
-            );
-      } else {
-        return query
-            .addWhereClause(
-              IdWhereClause.greaterThan(lower: id, includeLower: false),
-            )
-            .addWhereClause(
-              IdWhereClause.lessThan(upper: id, includeUpper: false),
-            );
-      }
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterWhereClause> idGreaterThan(Id id,
-      {bool include = false}) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addWhereClause(
-        IdWhereClause.greaterThan(lower: id, includeLower: include),
-      );
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterWhereClause> idLessThan(Id id,
-      {bool include = false}) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addWhereClause(
-        IdWhereClause.lessThan(upper: id, includeUpper: include),
-      );
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterWhereClause> idBetween(
-    Id lowerId,
-    Id upperId, {
-    bool includeLower = true,
-    bool includeUpper = true,
-  }) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addWhereClause(IdWhereClause.between(
-        lower: lowerId,
-        includeLower: includeLower,
-        upper: upperId,
-        includeUpper: includeUpper,
-      ));
-    });
-  }
-}
-
 extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
   QueryBuilder<Rank, Rank, QAfterFilterCondition> areaEqualTo(
     String value, {
@@ -352,7 +647,7 @@ extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
     });
   }
 
-  QueryBuilder<Rank, Rank, QAfterFilterCondition> idEqualTo(Id value) {
+  QueryBuilder<Rank, Rank, QAfterFilterCondition> idEqualTo(int value) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.equalTo(
         property: r'id',
@@ -362,7 +657,7 @@ extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
   }
 
   QueryBuilder<Rank, Rank, QAfterFilterCondition> idGreaterThan(
-    Id value, {
+    int value, {
     bool include = false,
   }) {
     return QueryBuilder.apply(this, (query) {
@@ -375,7 +670,7 @@ extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
   }
 
   QueryBuilder<Rank, Rank, QAfterFilterCondition> idLessThan(
-    Id value, {
+    int value, {
     bool include = false,
   }) {
     return QueryBuilder.apply(this, (query) {
@@ -388,58 +683,6 @@ extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
   }
 
   QueryBuilder<Rank, Rank, QAfterFilterCondition> idBetween(
-    Id lower,
-    Id upper, {
-    bool includeLower = true,
-    bool includeUpper = true,
-  }) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(FilterCondition.between(
-        property: r'id',
-        lower: lower,
-        includeLower: includeLower,
-        upper: upper,
-        includeUpper: includeUpper,
-      ));
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterFilterCondition> timeEqualTo(int value) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(FilterCondition.equalTo(
-        property: r'time',
-        value: value,
-      ));
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterFilterCondition> timeGreaterThan(
-    int value, {
-    bool include = false,
-  }) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(FilterCondition.greaterThan(
-        include: include,
-        property: r'time',
-        value: value,
-      ));
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterFilterCondition> timeLessThan(
-    int value, {
-    bool include = false,
-  }) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addFilterCondition(FilterCondition.lessThan(
-        include: include,
-        property: r'time',
-        value: value,
-      ));
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterFilterCondition> timeBetween(
     int lower,
     int upper, {
     bool includeLower = true,
@@ -447,7 +690,7 @@ extension RankQueryFilter on QueryBuilder<Rank, Rank, QFilterCondition> {
   }) {
     return QueryBuilder.apply(this, (query) {
       return query.addFilterCondition(FilterCondition.between(
-        property: r'time',
+        property: r'id',
         lower: lower,
         includeLower: includeLower,
         upper: upper,
@@ -678,154 +921,6 @@ extension RankQueryObject on QueryBuilder<Rank, Rank, QFilterCondition> {
   }
 }
 
-extension RankQueryLinks on QueryBuilder<Rank, Rank, QFilterCondition> {}
-
-extension RankQuerySortBy on QueryBuilder<Rank, Rank, QSortBy> {
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByArea() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'area', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByAreaDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'area', Sort.desc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByTime() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'time', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByTimeDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'time', Sort.desc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByZip() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'zip', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> sortByZipDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'zip', Sort.desc);
-    });
-  }
-}
-
-extension RankQuerySortThenBy on QueryBuilder<Rank, Rank, QSortThenBy> {
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByArea() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'area', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByAreaDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'area', Sort.desc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenById() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'id', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByIdDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'id', Sort.desc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByTime() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'time', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByTimeDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'time', Sort.desc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByZip() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'zip', Sort.asc);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QAfterSortBy> thenByZipDesc() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addSortBy(r'zip', Sort.desc);
-    });
-  }
-}
-
-extension RankQueryWhereDistinct on QueryBuilder<Rank, Rank, QDistinct> {
-  QueryBuilder<Rank, Rank, QDistinct> distinctByArea(
-      {bool caseSensitive = true}) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addDistinctBy(r'area', caseSensitive: caseSensitive);
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QDistinct> distinctByTime() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addDistinctBy(r'time');
-    });
-  }
-
-  QueryBuilder<Rank, Rank, QDistinct> distinctByZip(
-      {bool caseSensitive = true}) {
-    return QueryBuilder.apply(this, (query) {
-      return query.addDistinctBy(r'zip', caseSensitive: caseSensitive);
-    });
-  }
-}
-
-extension RankQueryProperty on QueryBuilder<Rank, Rank, QQueryProperty> {
-  QueryBuilder<Rank, int, QQueryOperations> idProperty() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'id');
-    });
-  }
-
-  QueryBuilder<Rank, String, QQueryOperations> areaProperty() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'area');
-    });
-  }
-
-  QueryBuilder<Rank, int, QQueryOperations> timeProperty() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'time');
-    });
-  }
-
-  QueryBuilder<Rank, List<Vehicle>, QQueryOperations> vehiclesProperty() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'vehicles');
-    });
-  }
-
-  QueryBuilder<Rank, String, QQueryOperations> zipProperty() {
-    return QueryBuilder.apply(this, (query) {
-      return query.addPropertyName(r'zip');
-    });
-  }
-}
-
-// **************************************************************************
-// IsarEmbeddedGenerator
-// **************************************************************************
-
 // coverage:ignore-file
 // ignore_for_file: duplicate_ignore, non_constant_identifier_names, constant_identifier_names, invalid_use_of_protected_member, unnecessary_cast, prefer_const_constructors, lines_longer_than_80_chars, require_trailing_commas, inference_failure_on_function_invocation, unnecessary_parenthesis, unnecessary_raw_strings, unnecessary_null_checks, join_return_with_assignment, prefer_final_locals, avoid_js_rounded_ints, avoid_positional_boolean_parameters, always_specify_types
 
@@ -1046,11 +1141,21 @@ extension VehicleQueryObject
 // JsonSerializableGenerator
 // **************************************************************************
 
+Ranking _$RankingFromJson(Map<String, dynamic> json) => Ranking()
+  ..id = json['id'] as int?
+  ..ranks = (json['ranking'] as List<dynamic>)
+      .map((e) => Rank.fromJson(e as Map<String, dynamic>))
+      .toList();
+
+Map<String, dynamic> _$RankingToJson(Ranking instance) => <String, dynamic>{
+      'id': instance.id,
+      'ranking': instance.ranks,
+    };
+
 Rank _$RankFromJson(Map<String, dynamic> json) => Rank()
   ..id = json['id'] as int
   ..zip = json['zip'] as String
   ..area = json['area'] as String
-  ..time = json['time'] as int
   ..vehicles = (json['vehicles'] as List<dynamic>)
       .map((e) => Vehicle.fromJson(e as Map<String, dynamic>))
       .toList();
@@ -1059,7 +1164,6 @@ Map<String, dynamic> _$RankToJson(Rank instance) => <String, dynamic>{
       'id': instance.id,
       'zip': instance.zip,
       'area': instance.area,
-      'time': instance.time,
       'vehicles': instance.vehicles,
     };
 
diff --git a/lib/tools/mqtt_core.dart b/lib/tools/mqtt_core.dart
index 70ac634..290ab19 100644
--- a/lib/tools/mqtt_core.dart
+++ b/lib/tools/mqtt_core.dart
@@ -13,6 +13,7 @@ import 'package:stadtbote/model/job.dart';
 import 'package:stadtbote/model/log_entry.dart';
 import 'package:stadtbote/model/message.dart';
 import 'package:stadtbote/model/location_status.dart';
+import 'package:stadtbote/model/rank.dart';
 import 'package:stadtbote/protocoll_messages/acknowledge_job.dart';
 import 'package:stadtbote/protocoll_messages/bootstrap_request.dart';
 import 'package:stadtbote/protocoll_messages/bootstrap_response_payload.dart';
@@ -27,6 +28,7 @@ import 'package:stadtbote/tools/message_service.dart';
 import 'package:stadtbote/tools/messages/job_deleted_message.dart';
 import 'package:stadtbote/tools/messages/job_received_message.dart';
 import 'package:stadtbote/tools/messages/message_message.dart';
+import 'package:stadtbote/tools/messages/ranking_updated.dart';
 import 'package:stadtbote/tools/messages/session_info_update.dart';
 import 'package:stadtbote/tools/messages/status_info_update.dart';
 // ignore: depend_on_referenced_packages
@@ -246,16 +248,15 @@ class MqttCore {
     MessageService().publish<LocationStatusUpdate>(Constants.messageTopicLocationStatusUpdated, arguments: LocationStatusUpdate(status: locationStatus));
   }
 
-  void _rankingMessageReceived(List<dynamic> payloadData) async {
-    /*Map<String, dynamic> rankingMap = {};
-    rankingMap["ranks"] = payloadData;
-    var ranking = Ranking.fromJson(rankingMap);
+  void _rankingMessageReceived(payloadData) async {
+    var ranking = Ranking.fromJson(payloadData);
 
     await MyApp.isarInstance.writeTxn(() async {
+      await MyApp.isarInstance.rankings.clear();
       await MyApp.isarInstance.rankings.put(ranking);
     });
 
-    MessageService().publish<RankingUpdated>(Constants.messageTopicRankingUpdated, arguments: RankingUpdated());*/
+    MessageService().publish<RankingUpdated>(Constants.messageTopicRankingUpdated, arguments: RankingUpdated());
   }
 
   void _jobMessageReceived(payloadData) async {
@@ -405,6 +406,8 @@ class MqttCore {
 
       _connectToBroker();
     } catch (ex) {
+      Util.logException("bootstrap failed");
+
       _startBootstrapReconnectTimer();
     }
   }