feat: Add room_key content

lib/matrix_api_lite.dart

@@ -81,6 +81,7 @@ export 'src/model/auth/authentication_types.dart';
 export 'src/model/auth/authentication_user_identifier.dart';
 export 'src/model/events/room_encrypted_content.dart';
 export 'src/model/events/room_encryption_content.dart';
+export 'src/model/events/room_key_content.dart';
 export 'src/model/events/secret_storage_default_key_content.dart';
 export 'src/model/events/secret_storage_key_content.dart';
 export 'src/model/events/tombstone_content.dart';

lib/src/model/events/room_encrypted_content.dart

@@ -21,10 +21,14 @@ class RoomEncryptedContent {
         senderKey = json.tryGet<String>('sender_key', ''),
         deviceId = json.tryGet<String>('device_id'),
         sessionId = json.tryGet<String>('session_id'),
-        ciphertextMegolm = json.tryGet<String>('ciphertext'),
-        ciphertextOlm = json
-            .tryGet<Map<String, dynamic>>('ciphertext')
-            ?.map((k, v) => MapEntry(k, CiphertextInfo.fromJson(v)));
+        ciphertextMegolm = json['ciphertext'] is String
+            ? json.tryGet<String>('ciphertext')
+            : null,
+        ciphertextOlm = json['ciphertext'] is Map<String, dynamic>
+            ? json
+                .tryGet<Map<String, dynamic>>('ciphertext')
+                ?.map((k, v) => MapEntry(k, CiphertextInfo.fromJson(v)))
+            : null;
 
   Map<String, dynamic> toJson() {
     final data = <String, dynamic>{};

lib/src/model/events/room_key_content.dart

@@ -0,0 +1,28 @@
+import '../basic_event.dart';
+import '../../utils/try_get_map_extension.dart';
+
+extension RoomKeyContentBasicEventExtension on BasicEvent {
+  RoomKeyContent get parsedRoomKeyContent => RoomKeyContent.fromJson(content);
+}
+
+class RoomKeyContent {
+  String algorithm;
+  String roomId;
+  String sessionId;
+  String sessionKey;
+
+  RoomKeyContent.fromJson(Map<String, dynamic> json)
+      : algorithm = json.tryGet<String>('algorithm', ''),
+        roomId = json.tryGet<String>('room_id', ''),
+        sessionId = json.tryGet<String>('session_id', ''),
+        sessionKey = json.tryGet<String>('session_key', '');
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['algorithm'] = algorithm;
+    data['room_id'] = roomId;
+    data['session_id'] = sessionId;
+    data['session_key'] = sessionKey;
+    return data;
+  }
+}

test/event_content_test.dart

@@ -78,5 +78,18 @@ void main() {
       expect(MatrixEvent.fromJson(json).parsedRoomEncryptedContent.toJson(),
           json['content']);
     });
+    test('Room Key Content', () {
+      var json = <String, dynamic>{
+        'content': {
+          'algorithm': 'm.megolm.v1.aes-sha2',
+          'room_id': '!Cuyf34gef24t:localhost',
+          'session_id': 'X3lUlvLELLYxeTx4yOVu6UDpasGEVO0Jbu+QFnm0cKQ',
+          'session_key': 'AgAAAADxKHa9uFxcXzwYoNueL5Xqi69IkD4sni8LlfJL7qNBEY...'
+        },
+        'type': 'm.room_key'
+      };
+      expect(BasicEvent.fromJson(json).parsedRoomKeyContent.toJson(),
+          json['content']);
+    });
   });
 }

test/try_get_map_extension_test.dart

@@ -16,11 +16,13 @@
  *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+import 'package:logger/logger.dart';
 import 'package:matrix_api_lite/matrix_api_lite.dart';
 import 'package:test/test.dart';
 
 void main() {
   group('Try-get-map-extension', () {
+    Logs().level = Level.error;
     test('it should work', () {
       final data = <String, dynamic>{
         'str': 'foxies',