Update Ghostgram features

submodules/TelegramUIPreferences/Sources/ChatSettings.swift

@@ -0,0 +1,49 @@
+import Foundation
+import TelegramCore
+import SwiftSignalKit
+
+public struct ChatSettings: Codable, Equatable {
+    public let sendWithCmdEnter: Bool
+    
+    public static var defaultSettings: ChatSettings {
+        return ChatSettings(sendWithCmdEnter: false)
+    }
+    
+    public init(sendWithCmdEnter: Bool) {
+        self.sendWithCmdEnter = sendWithCmdEnter
+    }
+    
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: StringCodingKey.self)
+
+        self.sendWithCmdEnter = (try container.decode(Int32.self, forKey: "sendWithCmdEnter")) != 0
+    }
+    
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: StringCodingKey.self)
+
+        try container.encode((self.sendWithCmdEnter ? 1 : 0) as Int32, forKey: "sendWithCmdEnter")
+    }
+    
+    public static func ==(lhs: ChatSettings, rhs: ChatSettings) -> Bool {
+        return lhs.sendWithCmdEnter == rhs.sendWithCmdEnter
+    }
+    
+    public func withUpdatedSendWithCmdEnter(_ sendWithCmdEnter: Bool) -> ChatSettings {
+        return ChatSettings(sendWithCmdEnter: sendWithCmdEnter)
+    }
+}
+
+public func updateChatSettingsInteractively(accountManager: AccountManager<TelegramAccountManagerTypes>, _ f: @escaping (ChatSettings) -> ChatSettings) -> Signal<Void, NoError> {
+    return accountManager.transaction { transaction -> Void in
+        transaction.updateSharedData(ApplicationSpecificSharedDataKeys.chatSettings, { entry in
+            let currentSettings: ChatSettings
+            if let entry = entry?.get(ChatSettings.self) {
+                currentSettings = entry
+            } else {
+                currentSettings = ChatSettings.defaultSettings
+            }
+            return SharedPreferencesEntry(f(currentSettings))
+        })
+    }
+}