session-ios/Signal/src/MultiDeviceProfileKeyUpdateJob.swift

//
//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//

import Foundation
import PromiseKit

@objc class MultiDeviceProfileKeyUpdateJob: NSObject {

    let TAG = "[MultiDeviceProfileKeyUpdateJob]"

    let profileKey: OWSAES256Key
    let identityManager: OWSIdentityManager
    let messageSender: MessageSender
    let profileManager: OWSProfileManager

    required init(profileKey: OWSAES256Key, identityManager: OWSIdentityManager, messageSender: MessageSender, profileManager: OWSProfileManager) {
        self.profileKey = profileKey

        self.identityManager = identityManager
        self.messageSender = messageSender
        self.profileManager = profileManager
    }

    class func run(profileKey: OWSAES256Key, identityManager: OWSIdentityManager, messageSender: MessageSender, profileManager: OWSProfileManager) {
        return self.init(profileKey: profileKey, identityManager: identityManager, messageSender: messageSender, profileManager: profileManager).run()
    }

    func run(retryDelay: TimeInterval = 1) {
        guard let localNumber = TSAccountManager.localNumber() else {
            owsFail("\(self.TAG) localNumber was unexpectedly nil")
            return
        }

        let localSignalAccount = SignalAccount(recipientId: localNumber)
        localSignalAccount.contact = Contact()
        let syncContactsMessage = OWSSyncContactsMessage(signalAccounts: [localSignalAccount],
                                                        identityManager: self.identityManager,
                                                        profileManager: self.profileManager)

        self.messageSender.sendTemporaryAttachmentData(syncContactsMessage.buildPlainTextAttachmentData(),
                                                       contentType: OWSMimeTypeApplicationOctetStream,
                                                       in: syncContactsMessage,
                                                       success: {
                                                        Logger.info("\(self.TAG) Successfully synced profile key")

        },
                                                       failure: { error in
                                                        Logger.error("\(self.TAG) in \(#function) failed with error: \(error) retrying in \(retryDelay)s.")
                                                        after(seconds: retryDelay).then {
                                                            self.run(retryDelay: retryDelay * 2)
                                                            }.retainUntilComplete()
        })
    }
}