Added Nextcloud base

lib/api/marianumcloud/talk/chat/getChat.dart

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+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:http/src/response.dart';
+import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatResponse.dart';
+import 'package:marianum_mobile/api/marianumcloud/talk/talkApi.dart';
+
+import 'getChatParams.dart';
+
+class GetChat extends TalkApi<GetChatResponse> {
+  String chatToken;
+
+  GetChatParams params;
+  GetChat(this.chatToken, this.params) : super("v1/chat/$chatToken", null, getParameters: params.toJson());
+
+  @override
+  assemble(String raw) {
+    return GetChatResponse.fromJson(jsonDecode(raw)['ocs']); // TODO move "ocs" to superclass
+  }
+
+  @override
+  Future<Response> request(Uri uri, Object? body, Map<String, String>? headers) {
+    return http.get(uri, headers: headers);
+  }
+  
+}

lib/api/marianumcloud/talk/chat/getChatCache.dart

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+import 'dart:convert';
+
+import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChat.dart';
+import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatParams.dart';
+import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatResponse.dart';
+import 'package:marianum_mobile/api/requestCache.dart';
+
+class GetChatCache extends RequestCache<GetChatResponse> {
+  String chatToken;
+
+  GetChatCache({required onUpdate, required this.chatToken}) : super(RequestCache.cacheNothing, onUpdate) {
+    start("MarianumMobile", "nc-chat-$chatToken");
+  }
+
+  @override
+  Future<GetChatResponse> onLoad() {
+    return GetChat(
+      chatToken,
+      GetChatParams(
+        lookIntoFuture: GetChatParamsSwitch.off
+      )
+    ).run();
+  }
+
+  @override
+  GetChatResponse onLocalData(String json) {
+    return GetChatResponse.fromJson(jsonDecode(json));
+  }
+
+}

lib/api/marianumcloud/talk/chat/getChatParams.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:marianum_mobile/api/apiParams.dart';
+
+part 'getChatParams.g.dart';
+
+@JsonSerializable(explicitToJson: true, includeIfNull: false)
+class GetChatParams extends ApiParams {
+  GetChatParamsSwitch lookIntoFuture;
+  int? limit;
+  int? lastKnownMessageId;
+  int? lastCommonReadId;
+  int? timeout;
+  GetChatParamsSwitch? setReadMarker;
+  GetChatParamsSwitch? includeLastKnown;
+
+  GetChatParams({
+      required this.lookIntoFuture,
+      this.limit,
+      this.lastKnownMessageId,
+      this.lastCommonReadId,
+      this.timeout,
+      this.setReadMarker,
+      this.includeLastKnown
+  });
+
+  factory GetChatParams.fromJson(Map<String, dynamic> json) => _$GetChatParamsFromJson(json);
+  Map<String, dynamic> toJson() => _$GetChatParamsToJson(this);
+}
+
+enum GetChatParamsSwitch {
+  @JsonValue(1) on,
+  @JsonValue(0) off,
+}

lib/api/marianumcloud/talk/chat/getChatParams.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'getChatParams.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GetChatParams _$GetChatParamsFromJson(Map<String, dynamic> json) =>
+    GetChatParams(
+      lookIntoFuture:
+          $enumDecode(_$GetChatParamsSwitchEnumMap, json['lookIntoFuture']),
+      limit: json['limit'] as int?,
+      lastKnownMessageId: json['lastKnownMessageId'] as int?,
+      lastCommonReadId: json['lastCommonReadId'] as int?,
+      timeout: json['timeout'] as int?,
+      setReadMarker: $enumDecodeNullable(
+          _$GetChatParamsSwitchEnumMap, json['setReadMarker']),
+      includeLastKnown: $enumDecodeNullable(
+          _$GetChatParamsSwitchEnumMap, json['includeLastKnown']),
+    );
+
+Map<String, dynamic> _$GetChatParamsToJson(GetChatParams instance) {
+  final val = <String, dynamic>{
+    'lookIntoFuture': _$GetChatParamsSwitchEnumMap[instance.lookIntoFuture]!,
+  };
+
+  void writeNotNull(String key, dynamic value) {
+    if (value != null) {
+      val[key] = value;
+    }
+  }
+
+  writeNotNull('limit', instance.limit);
+  writeNotNull('lastKnownMessageId', instance.lastKnownMessageId);
+  writeNotNull('lastCommonReadId', instance.lastCommonReadId);
+  writeNotNull('timeout', instance.timeout);
+  writeNotNull(
+      'setReadMarker', _$GetChatParamsSwitchEnumMap[instance.setReadMarker]);
+  writeNotNull('includeLastKnown',
+      _$GetChatParamsSwitchEnumMap[instance.includeLastKnown]);
+  return val;
+}
+
+const _$GetChatParamsSwitchEnumMap = {
+  GetChatParamsSwitch.on: 1,
+  GetChatParamsSwitch.off: 0,
+};

lib/api/marianumcloud/talk/chat/getChatResponse.dart

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+import 'package:json_annotation/json_annotation.dart';
+import 'package:marianum_mobile/api/apiResponse.dart';
+import 'package:marianum_mobile/api/marianumcloud/talk/room/getRoomResponse.dart';
+
+part 'getChatResponse.g.dart';
+
+@JsonSerializable(explicitToJson: true)
+class GetChatResponse extends ApiResponse {
+  Set<GetChatResponseObject> data;
+
+  GetChatResponse(this.data);
+
+  factory GetChatResponse.fromJson(Map<String, dynamic> json) => _$GetChatResponseFromJson(json);
+  Map<String, dynamic> toJson() => _$GetChatResponseToJson(this);
+
+  List<GetChatResponseObject> sortByTimestamp() {
+    List<GetChatResponseObject> sorted = data.toList();
+    sorted.sort((a, b) => a.timestamp.compareTo(b.timestamp));
+    return sorted;
+  }
+}
+
+@JsonSerializable(explicitToJson: true)
+class GetChatResponseObject {
+  int id;
+  String token;
+  GetRoomResponseObjectMessageActorType actorType;
+  String actorId;
+  String actorDisplayName;
+  int timestamp;
+  String systemMessage;
+  GetRoomResponseObjectMessageType messageType;
+  bool isReplyable;
+  String referenceId;
+  String message;
+
+  GetChatResponseObject(
+      this.id,
+      this.token,
+      this.actorType,
+      this.actorId,
+      this.actorDisplayName,
+      this.timestamp,
+      this.systemMessage,
+      this.messageType,
+      this.isReplyable,
+      this.referenceId,
+      this.message);
+
+  factory GetChatResponseObject.fromJson(Map<String, dynamic> json) => _$GetChatResponseObjectFromJson(json);
+  Map<String, dynamic> toJson() => _$GetChatResponseObjectToJson(this);
+}
+

lib/api/marianumcloud/talk/chat/getChatResponse.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'getChatResponse.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GetChatResponse _$GetChatResponseFromJson(Map<String, dynamic> json) =>
+    GetChatResponse(
+      (json['data'] as List<dynamic>)
+          .map((e) => GetChatResponseObject.fromJson(e as Map<String, dynamic>))
+          .toSet(),
+    );
+
+Map<String, dynamic> _$GetChatResponseToJson(GetChatResponse instance) =>
+    <String, dynamic>{
+      'data': instance.data.map((e) => e.toJson()).toList(),
+    };
+
+GetChatResponseObject _$GetChatResponseObjectFromJson(
+        Map<String, dynamic> json) =>
+    GetChatResponseObject(
+      json['id'] as int,
+      json['token'] as String,
+      $enumDecode(
+          _$GetRoomResponseObjectMessageActorTypeEnumMap, json['actorType']),
+      json['actorId'] as String,
+      json['actorDisplayName'] as String,
+      json['timestamp'] as int,
+      json['systemMessage'] as String,
+      $enumDecode(
+          _$GetRoomResponseObjectMessageTypeEnumMap, json['messageType']),
+      json['isReplyable'] as bool,
+      json['referenceId'] as String,
+      json['message'] as String,
+    );
+
+Map<String, dynamic> _$GetChatResponseObjectToJson(
+        GetChatResponseObject instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'token': instance.token,
+      'actorType':
+          _$GetRoomResponseObjectMessageActorTypeEnumMap[instance.actorType]!,
+      'actorId': instance.actorId,
+      'actorDisplayName': instance.actorDisplayName,
+      'timestamp': instance.timestamp,
+      'systemMessage': instance.systemMessage,
+      'messageType':
+          _$GetRoomResponseObjectMessageTypeEnumMap[instance.messageType]!,
+      'isReplyable': instance.isReplyable,
+      'referenceId': instance.referenceId,
+      'message': instance.message,
+    };
+
+const _$GetRoomResponseObjectMessageActorTypeEnumMap = {
+  GetRoomResponseObjectMessageActorType.user: 'users',
+  GetRoomResponseObjectMessageActorType.guest: 'guests',
+  GetRoomResponseObjectMessageActorType.bot: 'bots',
+  GetRoomResponseObjectMessageActorType.bridge: 'bridged',
+};
+
+const _$GetRoomResponseObjectMessageTypeEnumMap = {
+  GetRoomResponseObjectMessageType.comment: 'comment',
+  GetRoomResponseObjectMessageType.deletedComment: 'comment_deleted',
+  GetRoomResponseObjectMessageType.system: 'system',
+  GetRoomResponseObjectMessageType.command: 'command',
+};