Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramUIPreferences/Sources/ChatArchiveSettings.swift

@@ -0,0 +1,47 @@
+import Foundation
+import SwiftSignalKit
+import TelegramCore
+
+public struct ChatArchiveSettings: Equatable, Codable {
+    public var isHiddenByDefault: Bool
+    public var hiddenPsaPeerId: EnginePeer.Id?
+    
+    public static var `default`: ChatArchiveSettings {
+        return ChatArchiveSettings(isHiddenByDefault: false, hiddenPsaPeerId: nil)
+    }
+    
+    public init(isHiddenByDefault: Bool, hiddenPsaPeerId: EnginePeer.Id?) {
+        self.isHiddenByDefault = isHiddenByDefault
+        self.hiddenPsaPeerId = hiddenPsaPeerId
+    }
+    
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: StringCodingKey.self)
+
+        self.isHiddenByDefault = (try container.decode(Int32.self, forKey: "isHiddenByDefault")) != 0
+        self.hiddenPsaPeerId = (try container.decodeIfPresent(Int64.self, forKey: "hiddenPsaPeerId")).flatMap(EnginePeer.Id.init)
+    }
+    
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: StringCodingKey.self)
+
+        try container.encode((self.isHiddenByDefault ? 1 : 0) as Int32, forKey: "isHiddenByDefault")
+        if let hiddenPsaPeerId = self.hiddenPsaPeerId {
+            try container.encode(hiddenPsaPeerId.toInt64(), forKey: "hiddenPsaPeerId")
+        } else {
+            try container.encodeNil(forKey: "hiddenPsaPeerId")
+        }
+    }
+}
+
+public func updateChatArchiveSettings(engine: TelegramEngine, _ f: @escaping (ChatArchiveSettings) -> ChatArchiveSettings) -> Signal<Never, NoError> {
+    return engine.preferences.update(id: ApplicationSpecificPreferencesKeys.chatArchiveSettings, { entry in
+        let currentSettings: ChatArchiveSettings
+        if let entry = entry?.get(ChatArchiveSettings.self) {
+            currentSettings = entry
+        } else {
+            currentSettings = .default
+        }
+        return SharedPreferencesEntry(f(currentSettings))
+    })
+}