[Client] Implement device management

lib/src/client.dart

@@ -36,6 +36,7 @@ import 'package:famedlysdk/src/utils/open_id_credentials.dart';
 import 'package:famedlysdk/src/utils/session_key.dart';
 import 'package:famedlysdk/src/utils/to_device_event.dart';
 import 'package:famedlysdk/src/utils/turn_server_credentials.dart';
+import 'package:famedlysdk/src/utils/user_device.dart';
 import 'package:olm/olm.dart' as olm;
 import 'package:pedantic/pedantic.dart';
 import 'room.dart';
@@ -1745,4 +1746,38 @@ class Client {
       }
     }
   }
+
+  /// Gets information about all devices for the current user.
+  Future<List<UserDevice>> requestUserDevices() async {
+    final Map<String, dynamic> response =
+        await jsonRequest(type: HTTPType.GET, action: "/client/r0/devices");
+    List<UserDevice> userDevices = [];
+    for (final rawDevice in response["devices"]) {
+      userDevices.add(
+        UserDevice.fromJson(rawDevice, this),
+      );
+    }
+    return userDevices;
+  }
+
+  /// Gets information about all devices for the current user.
+  Future<UserDevice> requestUserDevice(String deviceId) async {
+    final Map<String, dynamic> response = await jsonRequest(
+        type: HTTPType.GET, action: "/client/r0/devices/$deviceId");
+    return UserDevice.fromJson(response, this);
+  }
+
+  /// Deletes the given devices, and invalidates any access token associated with them.
+  Future<void> deleteDevices(List<String> deviceIds,
+      {Map<String, dynamic> auth}) async {
+    await jsonRequest(
+      type: HTTPType.POST,
+      action: "/client/r0/delete_devices",
+      data: {
+        "devices": deviceIds,
+        if (auth != null) "auth": auth,
+      },
+    );
+    return;
+  }
 }

lib/src/utils/user_device.dart

@@ -0,0 +1,54 @@
+import '../client.dart';
+
+///  Registered device for this user.
+class UserDevice {
+  /// Identifier of this device.
+  final String deviceId;
+
+  /// Display name set by the user for this device. Absent if no name has been set.
+  final String displayName;
+
+  /// The IP address where this device was last seen. (May be a few minutes out of date, for efficiency reasons).
+  final String lastSeenIp;
+
+  ///  	The time when this devices was last seen. (May be a few minutes out of date, for efficiency reasons).
+  final DateTime lastSeenTs;
+
+  final Client _client;
+
+  /// Updates the metadata on the given device.
+  Future<void> updateMetaData(String newName) async {
+    await _client.jsonRequest(
+      type: HTTPType.PUT,
+      action: "/client/r0/devices/$deviceId",
+      data: {"display_name": newName},
+    );
+    return;
+  }
+
+  /// Deletes the given device, and invalidates any access token associated with it.
+  Future<void> deleteDevice(Map<String, dynamic> auth) async {
+    await _client.jsonRequest(
+      type: HTTPType.DELETE,
+      action: "/client/r0/devices/$deviceId",
+      data: auth != null ? {"auth": auth} : null,
+    );
+    return;
+  }
+
+  UserDevice(
+    this._client, {
+    this.deviceId,
+    this.displayName,
+    this.lastSeenIp,
+    this.lastSeenTs,
+  });
+
+  UserDevice.fromJson(Map<String, dynamic> json, Client client)
+      : deviceId = json['device_id'],
+        displayName = json['display_name'],
+        lastSeenIp = json['last_seen_ip'],
+        lastSeenTs =
+            DateTime.fromMillisecondsSinceEpoch(json['last_seen_ts'] ?? 0),
+        _client = client;
+}

test/client_test.dart

@@ -36,6 +36,7 @@ import 'package:famedlysdk/src/sync/user_update.dart';
 import 'package:famedlysdk/src/utils/matrix_exception.dart';
 import 'package:famedlysdk/src/utils/matrix_file.dart';
 import 'package:famedlysdk/src/utils/profile.dart';
+import 'package:famedlysdk/src/utils/user_device.dart';
 import 'package:olm/olm.dart' as olm;
 import 'package:test/test.dart';
 
@@ -448,6 +449,16 @@ void main() {
       expect(resp["room_id"], roomID);
     });
 
+    test('requestUserDevices', () async {
+      final List<UserDevice> userDevices = await matrix.requestUserDevices();
+      expect(userDevices.length, 1);
+      expect(userDevices.first.deviceId, "QBUAZIFURK");
+      expect(userDevices.first.displayName, "android");
+      expect(userDevices.first.lastSeenIp, "1.2.3.4");
+      expect(
+          userDevices.first.lastSeenTs.millisecondsSinceEpoch, 1474491775024);
+    });
+
     test('get archive', () async {
       List<Room> archive = await matrix.archive;
 

test/fake_matrix_api.dart

@@ -548,6 +548,16 @@ class FakeMatrixApi extends MockClient {
 
   static final Map<String, Map<String, dynamic>> api = {
     "GET": {
+      "/client/r0/devices": (var req) => {
+            "devices": [
+              {
+                "device_id": "QBUAZIFURK",
+                "display_name": "android",
+                "last_seen_ip": "1.2.3.4",
+                "last_seen_ts": 1474491775024
+              }
+            ]
+          },
       "/client/r0/rooms/1/state/m.room.member/@alice:example.com": (var req) =>
           {"displayname": "Alice"},
       "/client/r0/profile/@getme:example.com": (var req) => {