Add Inventory viewer

lib/apis/record_api.dart

@@ -17,8 +17,15 @@ import 'package:http_parser/http_parser.dart';
 import 'package:path/path.dart';
 
 class RecordApi {
-  static Future<List<Record>> getRecordsAt(ApiClient client, {required String path}) async {
+  static Future<Record> getUserRecord(ApiClient client, {required String recordId, String? user}) async {
-    final response = await client.get("/users/${client.userId}/records?path=$path");
+    final response = await client.get("/users/${user ?? client.userId}/records/$recordId");
+    client.checkResponse(response);
+    final body = jsonDecode(response.body) as Map;
+    return Record.fromMap(body);
+  }
+
+  static Future<List<Record>> getUserRecordsAt(ApiClient client, {required String path, String? user}) async {
+    final response = await client.get("/users/${user ?? client.userId}/records?path=$path");
     client.checkResponse(response);
     final body = jsonDecode(response.body) as List;
     return body.map((e) => Record.fromMap(e)).toList();

lib/clients/api_client.dart

@@ -16,22 +16,27 @@ class ApiClient {
   static const String tokenKey = "token";
   static const String passwordKey = "password";
 
-  ApiClient({required AuthenticationData authenticationData, required this.onLogout}) : _authenticationData = authenticationData;
+  ApiClient({required AuthenticationData authenticationData, required this.onLogout})
+      : _authenticationData = authenticationData;
 
   final AuthenticationData _authenticationData;
   final Logger _logger = Logger("API");
+
   // Saving the context here feels kinda cringe ngl
   final Function() onLogout;
+  final http.Client _client = http.Client();
 
   AuthenticationData get authenticationData => _authenticationData;
+
   String get userId => _authenticationData.userId;
+
   bool get isAuthenticated => _authenticationData.isAuthenticated;
 
   static Future<AuthenticationData> tryLogin({
     required String username,
     required String password,
-    bool rememberMe=true,
+    bool rememberMe = true,
-    bool rememberPass=true,
+    bool rememberPass = true,
     String? oneTimePad,
   }) async {
     final body = {
@@ -41,19 +46,19 @@ class ApiClient {
       "secretMachineId": const Uuid().v4(),
     };
     final response = await http.post(
-        buildFullUri("/UserSessions"),
+      buildFullUri("/UserSessions"),
-        headers: {
+      headers: {
-          "Content-Type": "application/json",
+        "Content-Type": "application/json",
-          if (oneTimePad != null) totpKey : oneTimePad,
+        if (oneTimePad != null) totpKey: oneTimePad,
-        },
+      },
-        body: jsonEncode(body),
+      body: jsonEncode(body),
     );
     if (response.statusCode == 403 && response.body == totpKey) {
       throw totpKey;
     }
     if (response.statusCode == 400) {
       throw "Invalid Credentials";
-    } 
+    }
     checkResponseCode(response);
 
     final authData = AuthenticationData.fromMap(jsonDecode(response.body));
@@ -83,9 +88,8 @@ class ApiClient {
     }
 
     if (token != null) {
-      final response = await http.patch(buildFullUri("/userSessions"), headers: {
+      final response =
-        "Authorization": "neos $userId:$token"
+          await http.patch(buildFullUri("/userSessions"), headers: {"Authorization": "neos $userId:$token"});
-      });
       if (response.statusCode < 300) {
         return AuthenticationData(userId: userId, token: token, secretMachineId: machineId, isAuthenticated: true);
       }
@@ -135,13 +139,14 @@ class ApiClient {
   static void checkResponseCode(http.Response response) {
     if (response.statusCode < 300) return;
 
-    final error = "${switch (response.statusCode) {
+    final error =
+        "${response.request?.method ?? "Unknown Method"}|${response.request?.url ?? "Unknown URL"}: ${switch (response.statusCode) {
       429 => "You are being rate limited.",
       403 => "You are not authorized to do that.",
       404 => "Resource not found.",
       500 => "Internal server error.",
       _ => "Unknown Error."
-    }} (${response.statusCode}${kDebugMode ? "|${response.body}" : ""})";
+    }} (${response.statusCode}${kDebugMode && response.body.isNotEmpty ? "|${response.body}" : ""})";
 
     FlutterError.reportError(FlutterErrorDetails(exception: error));
     throw error;
@@ -154,7 +159,7 @@ class ApiClient {
   Future<http.Response> get(String path, {Map<String, String>? headers}) async {
     headers ??= {};
     headers.addAll(authorizationHeader);
-    final response = await http.get(buildFullUri(path), headers: headers);
+    final response = await _client.get(buildFullUri(path), headers: headers);
     _logger.info("GET $path => ${response.statusCode}${response.statusCode >= 300 ? ": ${response.body}" : ""}");
     return response;
   }
@@ -163,7 +168,7 @@ class ApiClient {
     headers ??= {};
     headers["Content-Type"] = "application/json";
     headers.addAll(authorizationHeader);
-    final response = await http.post(buildFullUri(path), headers: headers, body: body);
+    final response = await _client.post(buildFullUri(path), headers: headers, body: body);
     _logger.info("PST $path => ${response.statusCode}${response.statusCode >= 300 ? ": ${response.body}" : ""}");
     return response;
   }
@@ -172,7 +177,7 @@ class ApiClient {
     headers ??= {};
     headers["Content-Type"] = "application/json";
     headers.addAll(authorizationHeader);
-    final response = await http.put(buildFullUri(path), headers: headers, body: body);
+    final response = await _client.put(buildFullUri(path), headers: headers, body: body);
     _logger.info("PUT $path => ${response.statusCode}${response.statusCode >= 300 ? ": ${response.body}" : ""}");
     return response;
   }
@@ -180,7 +185,7 @@ class ApiClient {
   Future<http.Response> delete(String path, {Map<String, String>? headers}) async {
     headers ??= {};
     headers.addAll(authorizationHeader);
-    final response = await http.delete(buildFullUri(path), headers: headers);
+    final response = await _client.delete(buildFullUri(path), headers: headers);
     _logger.info("DEL $path => ${response.statusCode}${response.statusCode >= 300 ? ": ${response.body}" : ""}");
     return response;
   }
@@ -189,7 +194,7 @@ class ApiClient {
     headers ??= {};
     headers["Content-Type"] = "application/json";
     headers.addAll(authorizationHeader);
-    final response = await http.patch(buildFullUri(path), headers: headers, body: body);
+    final response = await _client.patch(buildFullUri(path), headers: headers, body: body);
     _logger.info("PAT $path => ${response.statusCode}${response.statusCode >= 300 ? ": ${response.body}" : ""}");
     return response;
   }

lib/clients/inventory_client.dart

@@ -0,0 +1,99 @@
+import 'package:contacts_plus_plus/apis/record_api.dart';
+import 'package:contacts_plus_plus/clients/api_client.dart';
+import 'package:contacts_plus_plus/models/inventory/neos_path.dart';
+import 'package:contacts_plus_plus/models/records/record.dart';
+import 'package:flutter/material.dart';
+
+class InventoryClient extends ChangeNotifier {
+  final ApiClient apiClient;
+
+  Future<NeosDirectory>? _currentDirectory;
+
+  Future<NeosDirectory>? get directoryFuture => _currentDirectory;
+
+  InventoryClient({required this.apiClient});
+
+  Future<List<Record>> _getDirectory(Record record) async {
+    final dir = await _currentDirectory;
+    final List<Record> records;
+    if (dir == null || record.isRoot) {
+      records = await RecordApi.getUserRecordsAt(
+        apiClient,
+        path: NeosDirectory.rootName,
+      );
+    } else {
+      if (record.recordType == RecordType.link) {
+        final linkRecord = await RecordApi.getUserRecord(apiClient, recordId: record.linkRecordId, user: record.linkOwnerId);
+        records = await RecordApi.getUserRecordsAt(apiClient, path: "${linkRecord.path}\\${record.name}", user: linkRecord.ownerId);
+      } else {
+        records = await RecordApi.getUserRecordsAt(
+          apiClient,
+          path: "${record.path}\\${record.name}",
+          user: record.ownerId
+        );
+      }
+    }
+    return records;
+  }
+
+  void loadInventoryRoot() {
+    final rootRecord = Record.inventoryRoot();
+    final rootFuture = _getDirectory(rootRecord).then(
+      (records) {
+        final rootDir = NeosDirectory(
+          record: rootRecord,
+          children: [],
+        );
+        rootDir.children.addAll(
+          records.map((e) => NeosDirectory.fromRecord(record: e, parent: rootDir)).toList(),
+        );
+        return rootDir;
+      },
+    );
+    _currentDirectory = rootFuture;
+    notifyListeners();
+  }
+
+  Future<void> navigateTo(Record record) async {
+    final dir = await _currentDirectory;
+
+    if (dir == null) {
+      throw "Failed to open: No directory loaded.";
+    }
+
+    if (record.recordType != RecordType.directory && record.recordType != RecordType.link) {
+      throw "Failed to open: Record is not a directory.";
+    }
+
+    final childDir = dir.findChildByRecord(record);
+    if (childDir == null) {
+      throw "Failed to open: Record is not a child of current directory.";
+    }
+
+    if (childDir.isLoaded) {
+      _currentDirectory = Future.value(childDir);
+    } else {
+      _currentDirectory = _getDirectory(record).then(
+        (records) {
+          childDir.children.clear();
+          childDir.children.addAll(records.map((record) => NeosDirectory.fromRecord(record: record, parent: childDir)));
+          return childDir;
+        },
+      );
+    }
+    notifyListeners();
+  }
+
+  Future<void> navigateUp() async {
+    final dir = await _currentDirectory;
+    if (dir == null) {
+      throw "Failed to navigate up: No directory loaded.";
+    }
+    if (dir.record.isRoot) {
+      throw "Failed navigate up: Already at root";
+    }
+
+    _currentDirectory = Future.value(dir.parent);
+    notifyListeners();
+  }
+}

lib/clients/messaging_client.dart

@@ -366,6 +366,8 @@ class MessagingClient extends ChangeNotifier {
         if (message.senderId != selectedFriend?.id) {
           addUnread(message);
           updateFriendStatus(message.senderId);
+        } else {
+          markMessagesRead(MarkReadBatch(senderId: message.senderId, ids: [message.id], readTime: DateTime.now()));
         }
         notifyListeners();
         break;

lib/clients/session_client.dart

@@ -11,9 +11,7 @@ class SessionClient extends ChangeNotifier {
 
   SessionFilterSettings _filterSettings = SessionFilterSettings.empty();
 
-  SessionClient({required this.apiClient}) {
+  SessionClient({required this.apiClient});
-    reloadSessions();
-  }
 
   SessionFilterSettings get filterSettings => _filterSettings;
 

lib/main.dart

@@ -3,12 +3,16 @@ import 'dart:developer';
 import 'package:contacts_plus_plus/apis/github_api.dart';
 import 'package:contacts_plus_plus/client_holder.dart';
 import 'package:contacts_plus_plus/clients/api_client.dart';
+import 'package:contacts_plus_plus/clients/inventory_client.dart';
 import 'package:contacts_plus_plus/clients/messaging_client.dart';
 import 'package:contacts_plus_plus/clients/session_client.dart';
 import 'package:contacts_plus_plus/clients/settings_client.dart';
 import 'package:contacts_plus_plus/models/sem_ver.dart';
 import 'package:contacts_plus_plus/widgets/friends/friends_list.dart';
 import 'package:contacts_plus_plus/widgets/friends/friends_list_app_bar.dart';
+import 'package:contacts_plus_plus/widgets/homepage.dart';
+import 'package:contacts_plus_plus/widgets/inventory/inventory_browser.dart';
+import 'package:contacts_plus_plus/widgets/inventory/inventory_browser_app_bar.dart';
 import 'package:contacts_plus_plus/widgets/login_screen.dart';
 import 'package:contacts_plus_plus/widgets/sessions/session_list.dart';
 import 'package:contacts_plus_plus/widgets/sessions/session_list_app_bar.dart';
@@ -57,23 +61,15 @@ class ContactsPlusPlus extends StatefulWidget {
 
 class _ContactsPlusPlusState extends State<ContactsPlusPlus> {
   static const List<Widget> _appBars = [
-    FriendsListAppBar(
+    FriendsListAppBar(),
-      key: ValueKey("friends_list_app_bar"),
+    SessionListAppBar(),
-    ),
+    InventoryBrowserAppBar(),
-    SessionListAppBar(
+    SettingsAppBar()
-      key: ValueKey("session_list_app_bar"),
-    ),
-    SettingsAppBar(
-      key: ValueKey("settings_app_bar"),
-    )
   ];
 
   final Typography _typography = Typography.material2021(platform: TargetPlatform.android);
-  final PageController _pageController = PageController();
   late AuthenticationData _authData = widget.cachedAuthentication;
-
   bool _checkedForUpdate = false;
-  int _selectedPage = 0;
 
   void showUpdateDialogOnFirstBuild(BuildContext context) {
     final navigator = Navigator.of(context);
@@ -171,58 +167,13 @@ class _ContactsPlusPlusState extends State<ContactsPlusPlus> {
                                 apiClient: clientHolder.apiClient,
                               ),
                             ),
+                            Provider(
+                              create: (context) => InventoryClient(
+                                apiClient: clientHolder.apiClient,
+                              ),
+                            )
                           ],
-                          child: Scaffold(
+                          child: const Home(),
-                            appBar: PreferredSize(
-                              preferredSize: const Size.fromHeight(kToolbarHeight),
-                              child: AnimatedSwitcher(
-                                duration: const Duration(milliseconds: 200),
-                                child: _appBars[_selectedPage],
-                              ),
-                            ),
-                            body: PageView(
-                              controller: _pageController,
-                              children: const [
-                                FriendsList(),
-                                SessionList(),
-                                SettingsPage(),
-                              ],
-                            ),
-                            bottomNavigationBar: Container(
-                              decoration: BoxDecoration(
-                                border: const Border(top: BorderSide(width: 1, color: Colors.black)),
-                                color: Theme.of(context).colorScheme.background,
-                              ),
-                              child: BottomNavigationBar(
-                                selectedItemColor: Theme.of(context).colorScheme.primary,
-                                currentIndex: _selectedPage,
-                                onTap: (index) {
-                                  _pageController.animateToPage(
-                                    index,
-                                    duration: const Duration(milliseconds: 200),
-                                    curve: Curves.easeOut,
-                                  );
-                                  setState(() {
-                                    _selectedPage = index;
-                                  });
-                                },
-                                items: const [
-                                  BottomNavigationBarItem(
-                                    icon: Icon(Icons.message),
-                                    label: "Chat",
-                                  ),
-                                  BottomNavigationBarItem(
-                                    icon: Icon(Icons.public),
-                                    label: "Sessions",
-                                  ),
-                                  BottomNavigationBarItem(
-                                    icon: Icon(Icons.settings),
-                                    label: "Settings",
-                                  ),
-                                ],
-                              ),
-                            ),
-                          ),
                         )
                       : LoginScreen(
                           onLoginSuccessful: (AuthenticationData authData) async {

lib/models/inventory/neos_path.dart

@@ -0,0 +1,64 @@
+import 'package:collection/collection.dart';
+import 'package:contacts_plus_plus/stack.dart';
+import 'package:contacts_plus_plus/models/records/record.dart';
+
+
+class NeosPath {
+  static const _root = "Inventory";
+  final Stack<NeosDirectory> _pathStack = Stack<NeosDirectory>();
+
+  String get absolute {
+    if (_pathStack.isEmpty) return _root;
+    var path = _pathStack.entries.join("\\");
+    return "$_root\\$path";
+  }
+
+  NeosDirectory pop() => _pathStack.pop();
+
+  void push(NeosDirectory directory) => _pathStack.push(directory);
+
+  bool get isRoot => _pathStack.isEmpty;
+
+  /*
+  NeosDirectory get current => _pathStack.peek ?? NeosDirectory(name: _root);
+
+  void populateCurrent(String target, Iterable<Record> records) {
+    var currentDir = _pathStack.peek;
+    if (currentDir?.name != target) return;
+    currentDir?.records.addAll(records);
+  }
+   */
+}
+
+class NeosDirectory {
+  static const rootName = "Inventory";
+
+  final Record record;
+  final NeosDirectory? parent;
+  final List<NeosDirectory> children;
+
+  NeosDirectory({required this.record, this.parent, required this.children});
+
+  factory NeosDirectory.fromRecord({required Record record, NeosDirectory? parent}) {
+    return NeosDirectory(record: record, parent: parent, children: []);
+  }
+
+  @override
+  String toString() {
+    return record.name;
+  }
+
+  bool get isRoot => record.isRoot;
+
+  String get absolutePath => "${parent?.absolutePath ?? ""}/${(record.name)}";
+
+  List<String> get absolutePathSegments => (parent?.absolutePathSegments ?? []) + [record.name];
+
+  bool containsRecord(Record record) => children.where((element) => element.record.id == record.id).isNotEmpty;
+
+  List<Record> get records => children.map((e) => e.record).toList();
+
+  bool get isLoaded => children.isNotEmpty;
+
+  NeosDirectory? findChildByRecord(Record record) => children.firstWhereOrNull((element) => element.record.id == record.id);
+}

lib/models/records/record.dart

@@ -4,6 +4,7 @@ import 'package:contacts_plus_plus/models/records/asset_digest.dart';
 import 'package:contacts_plus_plus/models/records/neos_db_asset.dart';
 import 'package:contacts_plus_plus/string_formatter.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:uuid/uuid.dart';
 
 enum RecordType {
@@ -15,7 +16,8 @@ enum RecordType {
   audio;
 
   factory RecordType.fromName(String? name) {
-    return RecordType.values.firstWhere((element) => element.name.toLowerCase() == name?.toLowerCase().trim(), orElse: () => RecordType.unknown);
+    return RecordType.values.firstWhere((element) => element.name.toLowerCase() == name?.toLowerCase().trim(),
+        orElse: () => RecordType.unknown);
   }
 }
 
@@ -24,7 +26,7 @@ class RecordId {
   final String? ownerId;
   final bool isValid;
 
-  const RecordId({required this.id, required this.ownerId, required this.isValid});
+  const RecordId({this.id, this.ownerId, required this.isValid});
 
   factory RecordId.fromMap(Map? map) {
     return RecordId(id: map?["id"], ownerId: map?["ownerId"], isValid: map?["isValid"] ?? false);
@@ -40,6 +42,38 @@ class RecordId {
 }
 
 class Record {
+  static final _rootRecord = Record(
+    id: "0",
+    combinedRecordId: const RecordId(isValid: false),
+    isSynced: true,
+    fetchedOn: DateTimeX.epoch,
+    path: "Inventory",
+    ownerId: "",
+    assetUri: "",
+    name: "Inventory",
+    description: "",
+    tags: [],
+    recordType: RecordType.directory,
+    thumbnailUri: "",
+    isPublic: false,
+    isListed: false,
+    isForPatreons: false,
+    lastModificationTime: DateTimeX.epoch,
+    neosDBManifest: [],
+    lastModifyingUserId: "",
+    lastModifyingMachineId: "",
+    creationTime: DateTimeX.epoch,
+    manifest: [],
+    url: "",
+    isValidOwnerId: true,
+    isValidRecordId: true,
+    globalVersion: 1,
+    localVersion: 1,
+    visits: 0,
+    rating: 0,
+    randomOrder: 0,
+  );
+
   final String id;
   final RecordId combinedRecordId;
   final String ownerId;
@@ -119,12 +153,8 @@ class Record {
       combinedRecordId: combinedRecordId,
       assetUri: assetUri,
       name: filename,
-      tags: ([
+      tags: ([filename, "message_item", "message_id:${Message.generateId()}", "contacts-plus-plus"] + (extraTags ?? []))
-        filename,
+          .unique(),
-        "message_item",
-        "message_id:${Message.generateId()}",
-        "contacts-plus-plus"
-      ] + (extraTags ?? [])).unique(),
       recordType: recordType,
       thumbnailUri: thumbnailUri,
       isPublic: false,
@@ -154,36 +184,67 @@ class Record {
 
   factory Record.fromMap(Map map) {
     return Record(
-      id: map["id"] ?? "0",
+        id: map["id"] ?? "0",
-      combinedRecordId: RecordId.fromMap(map["combinedRecordId"]),
+        combinedRecordId: RecordId.fromMap(map["combinedRecordId"]),
-      ownerId: map["ownerId"] ?? "",
+        ownerId: map["ownerId"] ?? "",
-      assetUri: map["assetUri"] ?? "",
+        assetUri: map["assetUri"] ?? "",
-      globalVersion: map["globalVersion"] ?? 0,
+        globalVersion: map["globalVersion"] ?? 0,
-      localVersion: map["localVersion"] ?? 0,
+        localVersion: map["localVersion"] ?? 0,
-      name: map["name"] ?? "",
+        name: map["name"] ?? "",
-      description: map["description"] ?? "",
+        description: map["description"] ?? "",
-      tags: (map["tags"] as List? ?? []).map((e) => e.toString()).toList(),
+        tags: (map["tags"] as List? ?? []).map((e) => e.toString()).toList(),
-      recordType: RecordType.fromName(map["recordType"]),
+        recordType: RecordType.fromName(map["recordType"]),
-      thumbnailUri: map["thumbnailUri"] ?? "",
+        thumbnailUri: map["thumbnailUri"] ?? "",
-      isPublic: map["isPublic"] ?? false,
+        isPublic: map["isPublic"] ?? false,
-      isForPatreons: map["isForPatreons"] ?? false,
+        isForPatreons: map["isForPatreons"] ?? false,
-      isListed: map["isListed"] ?? false,
+        isListed: map["isListed"] ?? false,
-      lastModificationTime: DateTime.tryParse(map["lastModificationTime"]) ?? DateTimeX.epoch,
+        lastModificationTime: DateTime.tryParse(map["lastModificationTime"]) ?? DateTimeX.epoch,
-      neosDBManifest: (map["neosDBManifest"] as List? ?? []).map((e) => NeosDBAsset.fromMap(e)).toList(),
+        neosDBManifest: (map["neosDBManifest"] as List? ?? []).map((e) => NeosDBAsset.fromMap(e)).toList(),
-      lastModifyingUserId: map["lastModifyingUserId"] ?? "",
+        lastModifyingUserId: map["lastModifyingUserId"] ?? "",
-      lastModifyingMachineId: map["lastModifyingMachineId"] ?? "",
+        lastModifyingMachineId: map["lastModifyingMachineId"] ?? "",
-      creationTime: DateTime.tryParse(map["lastModificationTime"]) ?? DateTimeX.epoch,
+        creationTime: DateTime.tryParse(map["lastModificationTime"]) ?? DateTimeX.epoch,
-      isSynced: map["isSynced"] ?? false,
+        isSynced: map["isSynced"] ?? false,
-      fetchedOn: DateTime.tryParse(map["fetchedOn"]) ?? DateTimeX.epoch,
+        fetchedOn: DateTime.tryParse(map["fetchedOn"] ?? "") ?? DateTimeX.epoch,
-      path: map["path"] ?? "",
+        path: map["path"] ?? "",
-      manifest: (map["neosDBManifest"] as List? ?? []).map((e) => e.toString()).toList(),
+        manifest: (map["neosDBManifest"] as List? ?? []).map((e) => e.toString()).toList(),
-      url: map["url"] ?? "",
+        url: map["url"] ?? "",
-      isValidOwnerId: map["isValidOwnerId"] ?? "",
+        isValidOwnerId: map["isValidOwnerId"] == "true",
-      isValidRecordId: map["isValidRecordId"] ?? "",
+        isValidRecordId: map["isValidRecordId"] == "true",
-      visits: map["visits"] ?? 0,
+        visits: map["visits"] ?? 0,
-      rating: map["rating"] ?? 0,
+        rating: map["rating"] ?? 0,
-      randomOrder: map["randomOrder"] ?? 0
+        randomOrder: map["randomOrder"] ?? 0);
-    );
+  }
+
+  factory Record.inventoryRoot() => _rootRecord;
+
+  bool get isRoot => this == _rootRecord;
+
+  String get linkRecordId {
+    if (!assetUri.startsWith("neosrec")) {
+      throw "Record is not a link.";
+    }
+    
+    final lastSlashIdx = assetUri.lastIndexOf("/");
+    if (lastSlashIdx == -1) {
+      throw "Record has invalid assetUri";
+    }
+    
+    return assetUri.substring(lastSlashIdx+1);
+  }
+  
+  String get linkOwnerId {
+    if (!assetUri.startsWith("neosrec")) {
+      throw "Record is not a link.";
+    }
+    
+    String ownerId = assetUri.replaceFirst("neosrec:///", "");
+
+    final lastSlashIdx = ownerId.lastIndexOf("/");
+    if (lastSlashIdx == -1) {
+      throw "Record has invalid assetUri";
+    }
+
+    return ownerId.substring(0, lastSlashIdx);
   }
 
   Record copyWith({
@@ -300,4 +361,4 @@ class Record {
     }
     return null;
   }
-}
+}

lib/stack.dart

@@ -0,0 +1,14 @@
+
+class Stack<T> {
+  final List<T> _data = <T>[];
+
+  void push(T entry) => _data.add(entry);
+
+  T pop() => _data.removeLast();
+
+  T? get peek => _data.lastOrNull;
+
+  List<T> get entries => List.from(_data);
+
+  bool get isEmpty => _data.isEmpty;
+}

lib/widgets/friends/friends_list_app_bar.dart

@@ -5,7 +5,6 @@ import 'package:contacts_plus_plus/models/users/online_status.dart';
 import 'package:contacts_plus_plus/models/users/user_status.dart';
 import 'package:contacts_plus_plus/widgets/friends/user_search.dart';
 import 'package:contacts_plus_plus/widgets/my_profile_dialog.dart';
-import 'package:contacts_plus_plus/widgets/settings_page.dart';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import 'package:provider/provider.dart';
@@ -156,13 +155,6 @@ class _FriendsListAppBarState extends State<FriendsListAppBar> with AutomaticKee
                 await itemDef.onTap();
               },
               itemBuilder: (BuildContext context) => [
-                MenuItemDefinition(
-                  name: "Settings",
-                  icon: Icons.settings,
-                  onTap: () async {
-                    await Navigator.of(context).push(MaterialPageRoute(builder: (context) => const SettingsPage()));
-                  },
-                ),
                 MenuItemDefinition(
                   name: "Find Users",
                   icon: Icons.person_add,

lib/widgets/homepage.dart

@@ -0,0 +1,91 @@
+import 'package:contacts_plus_plus/widgets/friends/friends_list.dart';
+import 'package:contacts_plus_plus/widgets/friends/friends_list_app_bar.dart';
+import 'package:contacts_plus_plus/widgets/inventory/inventory_browser.dart';
+import 'package:contacts_plus_plus/widgets/inventory/inventory_browser_app_bar.dart';
+import 'package:contacts_plus_plus/widgets/sessions/session_list.dart';
+import 'package:contacts_plus_plus/widgets/sessions/session_list_app_bar.dart';
+import 'package:contacts_plus_plus/widgets/settings_app_bar.dart';
+import 'package:contacts_plus_plus/widgets/settings_page.dart';
+import 'package:flutter/material.dart';
+
+class Home extends StatefulWidget {
+  const Home({super.key});
+
+  @override
+  State<Home> createState() => _HomeState();
+}
+
+class _HomeState extends State<Home> {
+  static const List<Widget> _appBars = [
+    FriendsListAppBar(),
+    SessionListAppBar(),
+    InventoryBrowserAppBar(),
+    SettingsAppBar()
+  ];
+  final PageController _pageController = PageController();
+
+  int _selectedPage = 0;
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: const Size.fromHeight(kToolbarHeight),
+        child: AnimatedSwitcher(
+          duration: const Duration(milliseconds: 200),
+          child: _appBars[_selectedPage],
+        ),
+      ),
+      body: PageView(
+        controller: _pageController,
+        physics: const NeverScrollableScrollPhysics(),
+        children: const [
+          FriendsList(),
+          SessionList(),
+          InventoryBrowser(),
+          SettingsPage(),
+        ],
+      ),
+      bottomNavigationBar: Container(
+        decoration: BoxDecoration(
+          border: const Border(top: BorderSide(width: 1, color: Colors.black)),
+          color: Theme.of(context).colorScheme.background,
+        ),
+        child: BottomNavigationBar(
+          type: BottomNavigationBarType.fixed,
+          unselectedItemColor: Theme.of(context).colorScheme.onBackground,
+          selectedItemColor: Theme.of(context).colorScheme.primary,
+          currentIndex: _selectedPage,
+          onTap: (index) {
+            _pageController.animateToPage(
+              index,
+              duration: const Duration(milliseconds: 200),
+              curve: Curves.easeOut,
+            );
+            setState(() {
+              _selectedPage = index;
+            });
+          },
+          items: const [
+            BottomNavigationBarItem(
+              icon: Icon(Icons.message),
+              label: "Chat",
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.public),
+              label: "Sessions",
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.inventory),
+              label: "Inventory",
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.settings),
+              label: "Settings",
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/widgets/inventory/inventory_browser.dart

@@ -0,0 +1,197 @@
+import 'dart:async';
+
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:contacts_plus_plus/auxiliary.dart';
+import 'package:contacts_plus_plus/clients/inventory_client.dart';
+import 'package:contacts_plus_plus/models/inventory/neos_path.dart';
+import 'package:contacts_plus_plus/models/records/record.dart';
+import 'package:contacts_plus_plus/widgets/default_error_widget.dart';
+import 'package:contacts_plus_plus/widgets/inventory/object_inventory_tile.dart';
+import 'package:contacts_plus_plus/widgets/inventory/path_inventory_tile.dart';
+import 'package:flutter/material.dart';
+import 'package:photo_view/photo_view.dart';
+import 'package:provider/provider.dart';
+
+class InventoryBrowser extends StatefulWidget {
+  const InventoryBrowser({super.key});
+
+  @override
+  State<StatefulWidget> createState() => _InventoryBrowserState();
+}
+
+class _InventoryBrowserState extends State<InventoryBrowser> with AutomaticKeepAliveClientMixin {
+  static const Duration _refreshLimit = Duration(seconds: 60);
+  final Set<String> _selectedIds = {};
+  Timer? _refreshLimiter;
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    final iClient = Provider.of<InventoryClient>(context, listen: false);
+    if (iClient.directoryFuture == null) {
+      iClient.loadInventoryRoot();
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    super.build(context);
+    return ChangeNotifierProvider.value(
+      value: Provider.of<InventoryClient>(context),
+      child: Consumer<InventoryClient>(
+        builder: (BuildContext context, InventoryClient iClient, Widget? child) {
+          return FutureBuilder<NeosDirectory>(
+            future: iClient.directoryFuture,
+            builder: (context, snapshot) {
+              final currentDir = snapshot.data;
+              return WillPopScope(
+                onWillPop: () async {
+                  // Allow pop when at root or not loaded
+                  if (currentDir?.isRoot ?? true) {
+                    return true;
+                  }
+                  iClient.navigateUp();
+                  return false;
+                },
+                child: RefreshIndicator(
+                  onRefresh: () async {
+                    if (_refreshLimiter?.isActive ?? false) return;
+                    try {
+                      //TODO: Reload path
+                      _refreshLimiter = Timer(_refreshLimit, () {});
+                    } catch (e) {
+                      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text("Refresh failed: $e")));
+                    }
+                  },
+                  child: Builder(
+                    builder: (context) {
+                      if (snapshot.hasError) {
+                        FlutterError.reportError(FlutterErrorDetails(exception: snapshot.error!, stack: snapshot.stackTrace));
+                        return DefaultErrorWidget(
+                          message: snapshot.error.toString(),
+                          onRetry: () async {
+                            iClient.loadInventoryRoot();
+                            await iClient.directoryFuture;
+                          },
+                        );
+                      }
+                      final directory = snapshot.data;
+                      final records = directory?.records ?? [];
+
+                      records.sort((a, b) => a.name.compareTo(b.name));
+                      final paths = records
+                          .where((element) => element.recordType == RecordType.link || element.recordType == RecordType.directory)
+                          .toList();
+                      final objects = records
+                          .where((element) => element.recordType != RecordType.link && element.recordType != RecordType.directory)
+                          .toList();
+                      return Stack(
+                        children: [
+                          ListView(
+                            children: [
+                              Padding(
+                                padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 8),
+                                child: Text(
+                                  directory?.absolutePath ?? NeosDirectory.rootName,
+                                  style: Theme
+                                      .of(context)
+                                      .textTheme
+                                      .labelLarge
+                                      ?.copyWith(color: Theme
+                                      .of(context)
+                                      .colorScheme
+                                      .primary),
+                                ),
+                              ),
+                              GridView.builder(
+                                padding: const EdgeInsets.symmetric(horizontal: 8.0),
+                                physics: const NeverScrollableScrollPhysics(),
+                                shrinkWrap: true,
+                                itemCount: paths.length,
+                                gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
+                                    maxCrossAxisExtent: 256, childAspectRatio: 4, crossAxisSpacing: 8, mainAxisSpacing: 8),
+                                itemBuilder: (context, index) {
+                                  final record = paths[index];
+                                  return PathInventoryTile(
+                                    record: record,
+                                    onPressed: () {
+                                      iClient.navigateTo(record);
+                                    },
+                                  );
+                                },
+                              ),
+                              const SizedBox(
+                                height: 8,
+                              ),
+                              Padding(
+                                padding: const EdgeInsets.symmetric(horizontal: 8.0),
+                                child: GridView.builder(
+                                  physics: const NeverScrollableScrollPhysics(),
+                                  shrinkWrap: true,
+                                  itemCount: objects.length,
+                                  gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
+                                    maxCrossAxisExtent: 256,
+                                    childAspectRatio: 1,
+                                    crossAxisSpacing: 8,
+                                    mainAxisSpacing: 8,
+                                  ),
+                                  itemBuilder: (context, index) {
+                                    final record = objects[index];
+                                    return ObjectInventoryTile(
+                                      record: record,
+                                      selected: _selectedIds.contains(record.id),
+                                      onTap: () async {
+                                        await Navigator.push(
+                                          context,
+                                          MaterialPageRoute(
+                                            builder: (context) =>
+                                                PhotoView(
+                                                  minScale: PhotoViewComputedScale.contained,
+                                                  imageProvider: CachedNetworkImageProvider(
+                                                      Aux.neosDbToHttp(record.thumbnailUri)),
+                                                  heroAttributes: PhotoViewHeroAttributes(tag: record.id),
+                                                ),
+                                          ),
+                                        );
+                                      },
+                                      onLongPress: () async {
+                                        setState(() {
+                                          if (_selectedIds.contains(record.id)) {
+                                            _selectedIds.remove(record.id);
+                                          } else {
+                                            _selectedIds.add(record.id);
+                                          }
+                                        });
+                                      },
+                                    );
+                                  },
+                                ),
+                              ),
+                            ],
+                          ),
+                          if (snapshot.connectionState == ConnectionState.waiting)
+                            Align(
+                              alignment: Alignment.center,
+                              child: Container(
+                                width: double.infinity,
+                                height: double.infinity,
+                                color: Colors.black38,
+                                child: const Center(child: CircularProgressIndicator()),
+                              ),
+                            )
+                        ],
+                      );
+                    },
+                  ),
+                ),
+              );
+            }
+          );
+        }
+      ),
+    );
+  }
+
+  @override
+  bool get wantKeepAlive => true;
+}

lib/widgets/inventory/inventory_browser_app_bar.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+
+class InventoryBrowserAppBar extends StatelessWidget {
+  const InventoryBrowserAppBar({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AppBar(
+      title: const Text("Inventory"),
+      backgroundColor: Theme.of(context).colorScheme.surfaceVariant,
+      bottom: PreferredSize(
+        preferredSize: const Size.fromHeight(1),
+        child: Container(
+          height: 1,
+          color: Colors.black,
+        ),
+      ),
+    );
+  }
+}

lib/widgets/inventory/object_inventory_tile.dart

@@ -0,0 +1,107 @@
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:contacts_plus_plus/auxiliary.dart';
+import 'package:contacts_plus_plus/models/records/record.dart';
+import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+
+import '../formatted_text.dart';
+
+class ObjectInventoryTile extends StatelessWidget {
+  ObjectInventoryTile({required this.record, this.onTap, this.onLongPress, this.selected=false, super.key});
+
+  final bool selected;
+  final Record record;
+  final void Function()? onTap;
+  final void Function()? onLongPress;
+  final DateFormat _dateFormat = DateFormat.yMd();
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      elevation: 0,
+      shape: RoundedRectangleBorder(
+        side: BorderSide(
+          color: selected ? Theme.of(context).colorScheme.primary : Theme.of(context).colorScheme.outline,
+        ),
+        borderRadius: BorderRadius.circular(16),
+      ),
+      child: InkWell(
+        onLongPress: onLongPress,
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(16),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Expanded(
+              flex: 5,
+              child: ClipRRect(
+                borderRadius: BorderRadius.circular(16),
+                child: Hero(
+                  tag: record.id,
+                  child: Center(
+                    child: CachedNetworkImage(
+                      height: double.infinity,
+                      width: double.infinity,
+                      imageUrl: Aux.neosDbToHttp(record.thumbnailUri),
+                      fit: BoxFit.cover,
+                      errorWidget: (context, url, error) => const Center(
+                        child: Icon(
+                          Icons.broken_image,
+                          size: 64,
+                        ),
+                      ),
+                      placeholder: (context, uri) =>
+                      const Center(child: CircularProgressIndicator()),
+                    ),
+                  ),
+                ),
+              ),
+            ),
+            Expanded(
+              flex: 2,
+              child: Padding(
+                padding: const EdgeInsets.symmetric(vertical: 0, horizontal: 16),
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Row(
+                      children: [
+                        Expanded(
+                          child: FormattedText(
+                            record.formattedName,
+                            maxLines: 1,
+                            overflow: TextOverflow.ellipsis,
+                          ),
+                        ),
+                      ],
+                    ),
+                    const SizedBox(
+                      height: 4,
+                    ),
+                    Row(
+                      children: [
+                        const Icon(
+                          Icons.access_time,
+                          size: 12,
+                          color: Colors.white54,
+                        ),
+                        const SizedBox(
+                          width: 4,
+                        ),
+                        Text(
+                          _dateFormat.format(record.creationTime),
+                          style: Theme.of(context).textTheme.bodySmall?.copyWith(color: Colors.white54),
+                        ),
+                      ],
+                    ),
+                  ],
+                ),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/widgets/inventory/path_inventory_tile.dart

@@ -0,0 +1,28 @@
+import 'package:contacts_plus_plus/models/records/record.dart';
+import 'package:contacts_plus_plus/widgets/formatted_text.dart';
+import 'package:flutter/material.dart';
+
+class PathInventoryTile extends StatelessWidget {
+  const PathInventoryTile({required this.record, required this.onPressed, super.key});
+
+  final Record record;
+  final Function() onPressed;
+
+  @override
+  Widget build(BuildContext context) {
+    return OutlinedButton.icon(
+      style: TextButton.styleFrom(
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+        foregroundColor: Theme.of(context).colorScheme.onSecondaryContainer,
+        alignment: Alignment.centerLeft,
+      ),
+      onPressed: onPressed,
+      icon: record.recordType == RecordType.directory ? const Icon(Icons.folder) : const Icon(Icons.link),
+      label: FormattedText(
+        record.formattedName,
+        maxLines: 3,
+        overflow: TextOverflow.ellipsis,
+      ),
+    );
+  }
+}

lib/widgets/sessions/session_list.dart

@@ -16,6 +16,15 @@ class SessionList extends StatefulWidget {
 }
 
 class _SessionListState extends State<SessionList> with AutomaticKeepAliveClientMixin {
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    final sClient = Provider.of<SessionClient>(context, listen: false);
+    if (sClient.sessionsFuture == null) {
+      sClient.reloadSessions();
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     super.build(context);
@@ -127,8 +136,10 @@ class _SessionListState extends State<SessionList> with AutomaticKeepAliveClient
                                                         maxLines: 1,
                                                         overflow: TextOverflow.ellipsis,
                                                         style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                                                              color:
+                                                              color: Theme.of(context)
-                                                                  Theme.of(context).colorScheme.onSurface.withOpacity(.5),
+                                                                  .colorScheme
+                                                                  .onSurface
+                                                                  .withOpacity(.5),
                                                             ),
                                                       ),
                                                     ),