NetworkReachability based using Network framework with NWPathMonitor

NetworkReachability.swift

//
//  NetworkReachability.swift
//  Claire
//
//  Created by Saurabh on 27/07/22.
//

import Foundation
import Network
import Combine

class NetworkReachability {
    private let networkPathMonitor: NWPathMonitor
    @Published var connectionAvailable = false
    
    init() {
        networkPathMonitor = NWPathMonitor()
        startNetworkMonitoring()
    }
    
    private func startNetworkMonitoring() {
        guard
            networkPathMonitor.queue == nil
        else {
            Logger.warn("Trying to start monitoring network multiple time")
            return
        }
        
        let queue = DispatchQueue(label: "com.clairehealth.app.ios")
        self.networkPathMonitor.pathUpdateHandler = { [weak self] path in
            self?.connectionAvailable = path.status == .satisfied
        }
        self.networkPathMonitor.start(queue: queue)
    }
    
    func networkAvailable() -> Bool {
        return networkPathMonitor.currentPath.status == .satisfied
    }
    
    func networkAvailableViaWifi() -> Bool {
        return networkPathMonitor.currentPath.usesInterfaceType(.wifi)
    }
    
    func networkAvailableViaCellular() -> Bool {
        return networkPathMonitor.currentPath.usesInterfaceType(.cellular)
    }
    
    func stopNetworkMonitoring() {
        self.networkPathMonitor.cancel()
    }
}