Swiftgram/TelegramCore/AppChangelogState.swift
2019-06-06 00:09:50 +01:00

51 lines
1.5 KiB
Swift

import Foundation
#if os(macOS)
import PostboxMac
import SwiftSignalKitMac
import MtProtoKitMac
#else
import Postbox
import SwiftSignalKit
#if BUCK
import MtProtoKit
#else
import MtProtoKitDynamic
#endif
#endif
struct AppChangelogState: PreferencesEntry, Equatable {
var checkedVersion: String
var previousVersion: String
static var `default` = AppChangelogState(checkedVersion: "", previousVersion: "5.0.8")
init(checkedVersion: String, previousVersion: String) {
self.checkedVersion = checkedVersion
self.previousVersion = previousVersion
}
init(decoder: PostboxDecoder) {
self.checkedVersion = decoder.decodeStringForKey("checkedVersion", orElse: "")
self.previousVersion = decoder.decodeStringForKey("previousVersion", orElse: "")
}
func encode(_ encoder: PostboxEncoder) {
encoder.encodeString(self.checkedVersion, forKey: "checkedVersion")
encoder.encodeString(self.previousVersion, forKey: "previousVersion")
}
func isEqual(to: PreferencesEntry) -> Bool {
guard let to = to as? AppChangelogState else {
return false
}
return self == to
}
}
func updateAppChangelogState(transaction: Transaction, _ f: @escaping (AppChangelogState) -> AppChangelogState) {
transaction.updatePreferencesEntry(key: PreferencesKeys.appChangelogState, { current in
return f((current as? AppChangelogState) ?? AppChangelogState.default)
})
}