59 lines
1.3 KiB
Swift
59 lines
1.3 KiB
Swift
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import Combine
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import Foundation
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import WatchConnectivity
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enum ServersLoadingError: Error, Equatable {
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case unactive
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case unreachable
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case locked
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case undecodable(Error)
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static func == (lhs: ServersLoadingError, rhs: ServersLoadingError) -> Bool {
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switch (lhs, rhs) {
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case (.unactive, .unactive), (.unreachable, .unreachable), (.locked, .locked), (.undecodable, .undecodable):
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return true
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default:
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return false
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}
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}
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}
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protocol ServersLoading {
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func loadServers() -> AnyPublisher<Void, ServersLoadingError>
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}
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final class ServersLoader: NSObject {
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@Dependency private var database: ServersDatabase
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private let session: WatchSessionProtocol
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init(session: WatchSessionProtocol = RetriableWatchSession()) {
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self.session = session
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super.init()
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}
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}
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// MARK: - ServersLoading
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extension ServersLoader: ServersLoading {
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func loadServers() -> AnyPublisher<Void, ServersLoadingError> {
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Future<Void, ServersLoadingError> { [self] promise in
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session.sendMessage { result in
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switch result {
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case .success(let message):
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for server in message.servers {
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DispatchQueue.main.async {
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self.database.process(updatedServer: server)
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}
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}
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promise(.success(()))
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case .failure(let error):
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promise(.failure(error))
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}
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}
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}
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.eraseToAnyPublisher()
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}
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}
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