Widgets: Check user permission before opening a widget (Data side)

#2832

Riot/Managers/Settings/Shared/JSONModels/RiotSettingAllowedWidgets.swift

@@ -0,0 +1,36 @@
+/*
+ Copyright 2019 New Vector Ltd
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import Foundation
+
+/// Model for "im.vector.setting.allowed_widgets"
+/// https://github.com/vector-im/riot-meta/blob/master/spec/settings.md#tracking-which-widgets-the-user-has-allowed-to-load
+struct RiotSettingAllowedWidgets {
+    let widgets: [String: Bool]
+}
+
+extension RiotSettingAllowedWidgets: Decodable {
+    enum CodingKeys: String, CodingKey {
+        case widgets
+    }
+
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        let widgets = try container.decode([String: Bool].self, forKey: .widgets)
+
+        self.init(widgets: widgets)
+    }
+}