Proper VPN simulator with notifications, etc.

main/Push Notifications/CachedConnectionAlert.swift

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+import Foundation
+import UserNotifications
+
+struct CachedConnectionAlert {
+	let enabled: Bool
+	let invertedMode: Bool
+	let listBlocked, listCustomA, listCustomB, listElse: Bool
+	let tone: AnyObject?
+	
+	init() {
+		enabled = PrefsShared.ConnectionAlerts.Enabled
+		guard #available(iOS 10.0, *), enabled else {
+			invertedMode = false
+			listBlocked = false
+			listCustomA = false
+			listCustomB = false
+			listElse = false
+			tone = nil
+			return
+		}
+		invertedMode = PrefsShared.ConnectionAlerts.ExcludeMode
+		listBlocked = PrefsShared.ConnectionAlerts.Lists.Blocked
+		listCustomA = PrefsShared.ConnectionAlerts.Lists.CustomA
+		listCustomB = PrefsShared.ConnectionAlerts.Lists.CustomB
+		listElse = PrefsShared.ConnectionAlerts.Lists.Else
+		tone = UNNotificationSound.from(string: PrefsShared.ConnectionAlerts.Sound)
+	}
+	
+	/// If notifications are enabled and allowed, schedule new notification. Otherwise NOOP.
+	/// - Parameters:
+	///   - domain: Domain will be used as unique identifier for noticiation center and in notification message.
+	///   - blck: Indicator whether `domain` is part of `blocked` list
+	///   - custA: Indicator whether `domain` is part of custom list `A`
+	///   - custB: Indicator whether `domain` is part of custom list `B`
+	func postOrIgnore(_ domain: String, blck: Bool, custA: Bool, custB: Bool) {
+		if #available(iOS 10.0, *), enabled {
+			let onAnyList = listBlocked && blck || listCustomA && custA || listCustomB && custB || listElse
+			if invertedMode ? !onAnyList : onAnyList {
+				PushNotification.scheduleConnectionAlert(domain, sound: tone as! UNNotificationSound?)
+			}
+		}
+	}
+}