Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/TelegramCore/Sources/State/ManagedAutodownloadSettingsUpdates.swift

@@ -0,0 +1,49 @@
+import Foundation
+import Postbox
+import SwiftSignalKit
+import TelegramApi
+import MtProtoKit
+
+
+func managedAutodownloadSettingsUpdates(accountManager: AccountManager<TelegramAccountManagerTypes>, network: Network) -> Signal<Void, NoError> {
+    let poll = Signal<Void, NoError> { subscriber in
+        return (network.request(Api.functions.account.getAutoDownloadSettings())
+        |> retryRequestIfNotFrozen
+        |> mapToSignal { result -> Signal<Void, NoError> in
+            guard let result else {
+                return .complete()
+            }
+            return updateAutodownloadSettingsInteractively(accountManager: accountManager, { _ -> AutodownloadSettings in
+                return AutodownloadSettings(apiAutodownloadSettings: result)
+            })
+        }).start(completed: {
+            subscriber.putCompletion()
+        })
+    }
+    return (poll |> then(.complete() |> suspendAwareDelay(1.0 * 60.0 * 60.0, queue: Queue.concurrentDefaultQueue()))) |> restart
+}
+
+public enum SavedAutodownloadPreset {
+    case low
+    case medium
+    case high 
+}
+
+public func saveAutodownloadSettings(account: Account, preset: SavedAutodownloadPreset, settings: AutodownloadPresetSettings) -> Signal<Void, NoError> {
+    var flags: Int32 = 0
+    switch preset {
+        case .low:
+            flags |= (1 << 0)
+        case .high:
+            flags |= (1 << 1)
+        default:
+            break
+    }
+    return account.network.request(Api.functions.account.saveAutoDownloadSettings(flags: flags, settings: apiAutodownloadPresetSettings(settings)))
+        |> `catch` { _ -> Signal<Api.Bool, NoError> in
+            return .complete()
+        }
+        |> mapToSignal { _ -> Signal<Void, NoError> in
+            return .complete()
+    }
+}