99 lines
2.7 KiB
Swift
99 lines
2.7 KiB
Swift
import WatchConnectivity
|
|
|
|
protocol WatchSessionProtocol {
|
|
func sendMessage(completionHandler: @escaping (Result<WatchMessage, ServersLoadingError>) -> Void)
|
|
}
|
|
|
|
/// Default WatchSession protocol implementation.
|
|
final class WatchSession: NSObject, WatchSessionProtocol, WCSessionDelegate {
|
|
private let session: WCSession
|
|
|
|
init(session: WCSession) {
|
|
self.session = session
|
|
super.init()
|
|
session.delegate = self
|
|
session.activate()
|
|
}
|
|
|
|
func sendMessage(completionHandler: @escaping (Result<WatchMessage, ServersLoadingError>) -> Void) {
|
|
guard session.activationState == .activated else {
|
|
completionHandler(.failure(.unactive))
|
|
return
|
|
}
|
|
|
|
guard !session.iOSDeviceNeedsUnlockAfterRebootForReachability else {
|
|
completionHandler(.failure(.locked))
|
|
return
|
|
}
|
|
|
|
guard session.isReachable else {
|
|
completionHandler(.failure(.unreachable))
|
|
return
|
|
}
|
|
|
|
session.sendMessage([:]) { dictionary in
|
|
do {
|
|
let data = try JSONSerialization.data(withJSONObject: dictionary)
|
|
let message = try JSONDecoder().decode(WatchMessage.self, from: data)
|
|
|
|
completionHandler(.success(message))
|
|
} catch {
|
|
completionHandler(.failure(.undecodable(error)))
|
|
}
|
|
}
|
|
}
|
|
|
|
func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {
|
|
|
|
}
|
|
}
|
|
|
|
/// Retry decorator for WatchSession protocol.
|
|
final class RetriableWatchSession: WatchSessionProtocol {
|
|
private let session: WatchSessionProtocol
|
|
private let retries: Int
|
|
|
|
init(session: WatchSessionProtocol = DelayableWatchSession(session: WatchSession(session: .default)), retries: Int = 3) {
|
|
self.session = session
|
|
self.retries = retries
|
|
}
|
|
|
|
func sendMessage(completionHandler: @escaping (Result<WatchMessage, ServersLoadingError>) -> Void) {
|
|
session.sendMessage { [weak self] result in
|
|
guard let self else {
|
|
return
|
|
}
|
|
|
|
switch result {
|
|
case .success(let message):
|
|
completionHandler(.success(message))
|
|
case .failure where self.retries > 0:
|
|
self.session.sendMessage(completionHandler: completionHandler)
|
|
case .failure(let error):
|
|
completionHandler(.failure(error))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Delay decorator for WatchSession protocol.
|
|
final class DelayableWatchSession: WatchSessionProtocol {
|
|
private let delay: TimeInterval
|
|
private let session: WatchSessionProtocol
|
|
|
|
init(delay: TimeInterval = 1, session: WatchSessionProtocol) {
|
|
self.delay = delay
|
|
self.session = session
|
|
}
|
|
|
|
func sendMessage(completionHandler: @escaping (Result<WatchMessage, ServersLoadingError>) -> Void) {
|
|
Timer.scheduledTimer(withTimeInterval: 1, repeats: false) { [weak self] _ in
|
|
guard let self else {
|
|
return
|
|
}
|
|
|
|
self.session.sendMessage(completionHandler: completionHandler)
|
|
}
|
|
}
|
|
}
|