Update Ghostgram features

Swiftgram/SGStatus/BUILD

@@ -0,0 +1,17 @@
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
+
+swift_library(
+    name = "SGStatus",
+    srcs = glob([
+        "Sources/**/*.swift",
+    ]),
+    module_name = "SGStatus",
+    deps = [
+        "//submodules/SSignalKit/SwiftSignalKit:SwiftSignalKit",
+        "//submodules/TelegramCore:TelegramCore",
+        "//submodules/TelegramUIPreferences:TelegramUIPreferences",
+    ],
+    visibility = [
+        "//visibility:public",
+    ],
+)

Swiftgram/SGStatus/Sources/SGStatus.swift

@@ -0,0 +1,42 @@
+import Foundation
+import SwiftSignalKit
+import TelegramCore
+import TelegramUIPreferences
+
+public struct SGStatus: Equatable, Codable {
+    public var status: Int64
+    
+    public static var `default`: SGStatus {
+        return SGStatus(status: 1)
+    }
+    
+    public init(status: Int64) {
+        self.status = status
+    }
+    
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: StringCodingKey.self)
+
+        self.status = try container.decodeIfPresent(Int64.self, forKey: "status") ?? 1
+    }
+    
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: StringCodingKey.self)
+
+        try container.encodeIfPresent(self.status, forKey: "status")
+    }
+}
+
+public func updateSGStatusInteractively(accountManager: AccountManager<TelegramAccountManagerTypes>, _ f: @escaping (SGStatus) -> SGStatus) -> Signal<Void, NoError> {
+    return accountManager.transaction { transaction -> Void in
+        transaction.updateSharedData(ApplicationSpecificSharedDataKeys.sgStatus, { entry in
+            let currentSettings: SGStatus
+            if let entry = entry?.get(SGStatus.self) {
+                currentSettings = entry
+            } else {
+                currentSettings = SGStatus.default
+            }
+            return SharedPreferencesEntry(f(currentSettings))
+        })
+    }
+}