iOS/Sources/Shared/Notifications/NotificationCommands/NotificationsCommandManager...

129 lines
4.2 KiB
Swift

import Communicator
import PromiseKit
import UserNotifications
import WidgetKit
public protocol NotificationCommandHandler {
func handle(_ payload: [String: Any]) -> Promise<Void>
}
public class NotificationCommandManager {
public static var didUpdateComplicationsNotification: Notification.Name {
.init(rawValue: "didUpdateComplicationsNotification")
}
public enum CommandError: Error {
case notCommand
case unknownCommand
}
public init() {
register(command: "request_location_update", handler: HandlerLocationUpdate())
register(command: "clear_notification", handler: HandlerClearNotification())
#if os(iOS)
register(command: "update_complications", handler: HandlerUpdateComplications())
register(command: "update_widgets", handler: HandlerUpdateWidgets())
#endif
}
private var commands = [String: NotificationCommandHandler]()
public func register(command: String, handler: NotificationCommandHandler) {
commands[command] = handler
}
public func handle(_ payload: [AnyHashable: Any]) -> Promise<Void> {
guard let hadict = payload["homeassistant"] as? [String: Any],
let command = hadict["command"] as? String else {
return .init(error: CommandError.notCommand)
}
if let handler = commands[command] {
return handler.handle(hadict)
} else {
return .init(error: CommandError.unknownCommand)
}
}
public func updateComplications() -> Promise<Void> {
#if os(iOS)
HandlerUpdateComplications().handle([:])
#else
return .value(())
#endif
}
}
private struct HandlerLocationUpdate: NotificationCommandHandler {
private enum LocationUpdateError: Error {
case notEnabled
}
func handle(_ payload: [String: Any]) -> Promise<Void> {
guard Current.settingsStore.locationSources.pushNotifications else {
Current.Log.info("ignoring request, location source of notifications is disabled")
return .init(error: LocationUpdateError.notEnabled)
}
Current.Log.verbose("Received remote request to provide a location update")
return Current.backgroundTask(withName: "push-location-request") { remaining in
firstly {
Current.location.oneShotLocation(.PushNotification, remaining)
}.then { location in
when(fulfilled: Current.apis.map { api in
api.SubmitLocation(updateType: .PushNotification, location: location, zone: nil)
})
}
}
}
}
private struct HandlerClearNotification: NotificationCommandHandler {
func handle(_ payload: [String: Any]) -> Promise<Void> {
Current.Log.verbose("clearing notification for \(payload)")
let keys = ["tag", "collapseId"].compactMap { payload[$0] as? String }
if !keys.isEmpty {
UNUserNotificationCenter.current().removeDeliveredNotifications(withIdentifiers: keys)
}
// https://stackoverflow.com/a/56657888/6324550
return Promise<Void> { seal in
DispatchQueue.main.async {
seal.fulfill(())
}
}
}
}
#if os(iOS)
private struct HandlerUpdateComplications: NotificationCommandHandler {
func handle(_ payload: [String: Any]) -> Promise<Void> {
Promise<Void> { seal in
Communicator.shared.transfer(ComplicationInfo(content: [:])) { result in
switch result {
case .success: seal.fulfill(())
case let .failure(error): seal.reject(error)
}
}
}.get {
NotificationCenter.default.post(
name: NotificationCommandManager.didUpdateComplicationsNotification,
object: nil
)
}
}
}
private struct HandlerUpdateWidgets: NotificationCommandHandler {
func handle(_ payload: [String: Any]) -> Promise<Void> {
Current.Log.verbose("Reloading widgets triggered by notification command")
return Promise<Void> { seal in
DispatchQueue.main.async {
DataWidgetsUpdater.update()
seal.fulfill(())
}
}
}
}
#endif