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@ -17,7 +17,7 @@ public enum PushRegistrationError: Error {
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/**
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* Singleton used to integrate with push notification services - registration and routing received remote notifications.
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*/
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@objc public class PushRegistrationManager: NSObject {
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@objc public class PushRegistrationManager: NSObject, PKPushRegistryDelegate {
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// MARK: - Dependencies
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@ -44,21 +44,25 @@ public enum PushRegistrationError: Error {
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private var vanillaTokenResolver: Resolver<Data>?
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private var voipRegistry: PKPushRegistry?
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private var voipTokenPromise: Promise<Data>?
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private var voipTokenResolver: Resolver<Data>?
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private var voipTokenPromise: Promise<Data?>?
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private var voipTokenResolver: Resolver<Data?>?
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// MARK: Public interface
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public func requestPushTokens() -> Promise<(pushToken: String, voipToken: String)> {
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return firstly {
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self.registerUserNotificationSettings()
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}.then { () -> Promise<(pushToken: String, voipToken: String)> in
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Logger.info("")
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return firstly { () -> Promise<Void> in
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return self.registerUserNotificationSettings()
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}.then { (_) -> Promise<(pushToken: String, voipToken: String)> in
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guard !Platform.isSimulator else {
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throw PushRegistrationError.pushNotSupported(description: "Push not supported on simulators")
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}
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return self.registerForVanillaPushToken().map { vanillaPushToken -> (pushToken: String, voipToken: String) in
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return (pushToken: vanillaPushToken, voipToken: "")
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return self.registerForVanillaPushToken().then { vanillaPushToken -> Promise<(pushToken: String, voipToken: String)> in
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self.registerForVoipPushToken().map { voipPushToken in
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(pushToken: vanillaPushToken, voipToken: voipPushToken ?? "")
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}
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}
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}
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}
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@ -168,6 +172,68 @@ public enum PushRegistrationError: Error {
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self.vanillaTokenPromise = nil
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}
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}
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private func createVoipRegistryIfNecessary() {
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AssertIsOnMainThread()
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guard voipRegistry == nil else { return }
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let voipRegistry = PKPushRegistry(queue: nil)
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self.voipRegistry = voipRegistry
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voipRegistry.desiredPushTypes = [.voIP]
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voipRegistry.delegate = self
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}
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private func registerForVoipPushToken() -> Promise<String?> {
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AssertIsOnMainThread()
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guard self.voipTokenPromise == nil else {
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let promise = self.voipTokenPromise!
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return promise.map { $0?.hexEncodedString }
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}
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// No pending voip token yet. Create a new promise
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let (promise, resolver) = Promise<Data?>.pending()
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self.voipTokenPromise = promise
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self.voipTokenResolver = resolver
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// We don't create the voip registry in init, because it immediately requests the voip token,
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// potentially before we're ready to handle it.
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createVoipRegistryIfNecessary()
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guard let voipRegistry = self.voipRegistry else {
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owsFailDebug("failed to initialize voipRegistry")
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resolver.reject(PushRegistrationError.assertionError(description: "failed to initialize voipRegistry"))
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return promise.map { _ in
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// coerce expected type of returned promise - we don't really care about the value,
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// since this promise has been rejected. In practice this shouldn't happen
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String()
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}
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}
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// If we've already completed registering for a voip token, resolve it immediately,
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// rather than waiting for the delegate method to be called.
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if let voipTokenData = voipRegistry.pushToken(for: .voIP) {
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Logger.info("using pre-registered voIP token")
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resolver.fulfill(voipTokenData)
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}
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return promise.map { (voipTokenData: Data?) -> String? in
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Logger.info("successfully registered for voip push notifications")
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return voipTokenData?.hexEncodedString
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}.ensure {
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self.voipTokenPromise = nil
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}
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}
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// MARK: PKPushRegistryDelegate
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public func pushRegistry(_ registry: PKPushRegistry, didUpdate pushCredentials: PKPushCredentials, for type: PKPushType) {
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Logger.info("")
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owsAssertDebug(type == .voIP)
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owsAssertDebug(pushCredentials.type == .voIP)
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guard let voipTokenResolver = voipTokenResolver else { return }
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voipTokenResolver.fulfill(pushCredentials.token)
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}
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}
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// We transmit pushToken data as hex encoded string to the server
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ryanzhao
4 years ago