- Finished runtime updates on settings changes

- Started implementing TodayAlertCell

1Weather.xcodeproj/project.pbxproj

@@ -49,6 +49,7 @@
 		CD39F2F525DE9571009FE398 /* ArrowButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD39F2F425DE9571009FE398 /* ArrowButton.swift */; };
 		CD3F6E6925FA59D4002DB99B /* ForecastDetailPeriodButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD3F6E6825FA59D4002DB99B /* ForecastDetailPeriodButton.swift */; };
 		CD3F6E6C25FA5A90002DB99B /* PeriodButtonProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD3F6E6B25FA5A90002DB99B /* PeriodButtonProtocol.swift */; };
+		CD4742D0261200500061AC95 /* TodayAlertCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD4742CF261200500061AC95 /* TodayAlertCell.swift */; };
 		CD593BC226088A5900C93428 /* TimePeriodOffsetHolder.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD593BC126088A5900C93428 /* TimePeriodOffsetHolder.swift */; };
 		CD593BC926089FC100C93428 /* UITableView+HeaderSize.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD593BC826089FC100C93428 /* UITableView+HeaderSize.swift */; };
 		CD593BCC2608A4F200C93428 /* ForecastDailyCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD593BCB2608A4F200C93428 /* ForecastDailyCell.swift */; };
@@ -178,6 +179,7 @@
 		CD39F2F425DE9571009FE398 /* ArrowButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArrowButton.swift; sourceTree = "<group>"; };
 		CD3F6E6825FA59D4002DB99B /* ForecastDetailPeriodButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ForecastDetailPeriodButton.swift; sourceTree = "<group>"; };
 		CD3F6E6B25FA5A90002DB99B /* PeriodButtonProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PeriodButtonProtocol.swift; sourceTree = "<group>"; };
+		CD4742CF261200500061AC95 /* TodayAlertCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TodayAlertCell.swift; sourceTree = "<group>"; };
 		CD593BC126088A5900C93428 /* TimePeriodOffsetHolder.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimePeriodOffsetHolder.swift; sourceTree = "<group>"; };
 		CD593BC826089FC100C93428 /* UITableView+HeaderSize.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UITableView+HeaderSize.swift"; sourceTree = "<group>"; };
 		CD593BCB2608A4F200C93428 /* ForecastDailyCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ForecastDailyCell.swift; sourceTree = "<group>"; };
@@ -521,6 +523,7 @@
 				CDC6126025E8DA2900188DA7 /* CityMoonCell */,
 				CDC6124D25E7960D00188DA7 /* CityDayTimesCell */,
 				CDC6125525E7AAF600188DA7 /* CityAirQualityCell */,
+				CD4742CF261200500061AC95 /* TodayAlertCell.swift */,
 			);
 			path = Cells;
 			sourceTree = "<group>";
@@ -931,6 +934,7 @@
 				CD866A65260F642600E96A5C /* SettingsDetailsViewController.swift in Sources */,
 				CD647D0225ED07D60034578B /* TodayViewModel.swift in Sources */,
 				CD593BD32608BC3F00C93428 /* ForecastDayCell.swift in Sources */,
+				CD4742D0261200500061AC95 /* TodayAlertCell.swift in Sources */,
 				CD15DB4225DA806C00024727 /* CityForecastTimePeriodCell.swift in Sources */,
 				CEC5276025E92DDA00DA58A5 /* WdtHourlySummary.swift in Sources */,
 				CDE18DCA25D165F100C80ED9 /* UITabBarController+Append.swift in Sources */,

1Weather/AppDelegate.swift

@@ -12,12 +12,13 @@ import CoreLocation
 class AppDelegate: UIResponder, UIApplicationDelegate {
     var window: UIWindow?
     
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {        
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         ThemeManager.refreshAppearance()
-
+        
         self.window = UIWindow(frame: UIScreen.main.bounds)
         let appCoordinator = AppCoordinator(window: self.window!)
         appCoordinator.start()
+        ThemeManager.setBaseTheme()
         
         return true
     }

1Weather/Extensions/Dimension+Name.swift

@@ -17,9 +17,5 @@ extension Dimension {
     var name:String {
         return Dimension.fmt.string(from: self)
     }
-    
-    var identifier:String {
-        return "self."
-    }
 }
 

1Weather/Extensions/Measurement+String.swift

@@ -12,6 +12,7 @@ extension Measurement {
         let fmt = MeasurementFormatter()
         fmt.locale = Settings.shared.locale
         fmt.unitStyle = style
+        fmt.unitOptions = .providedUnit
         fmt.numberFormatter.maximumFractionDigits = 0
         return fmt
     }
@@ -30,7 +31,42 @@ extension Measurement {
 }
 
 extension Temperature {
-    var localizedValue:Double {
+    var settingsConvertedValue:Double {
         return self.converted(to: Settings.shared.temperatureType).value.rounded(.down)
     }
+    
+    var settingsConverted:Measurement {
+        return self.converted(to: Settings.shared.temperatureType)
+    }
+}
+
+extension WindSpeed {
+    var settingsConvertedValue:Double {
+        return self.converted(to: Settings.shared.windSpeedType).value.rounded(.down)
+    }
+    
+    var settingsConverted:Measurement {
+        return self.converted(to: Settings.shared.windSpeedType)
+    }
+}
+
+extension Visibility {
+    var settingsConvertedValue:Double {
+        return self.converted(to: Settings.shared.distanceType).value.rounded(.down)
+    }
+    
+    var settingsConverted:Measurement {
+        return self.converted(to: Settings.shared.distanceType)
+    }
 }
+
+extension Pressure {
+    var settingsConvertedValue:Double {
+        return self.converted(to: Settings.shared.pressureType).value.rounded(.down)
+    }
+    
+    var settingsConverted:Measurement {
+        return self.converted(to: Settings.shared.pressureType)
+    }
+}
+

1Weather/Extensions/UIView+InterfaceStyle.swift

@@ -20,7 +20,7 @@ extension UIView {
         case .dark:
             return .dark
         case .system:
-            if #available(iOS 12.0, *) {
+            if #available(iOS 13, *) {
                 return traitCollection.userInterfaceStyle == .light ? .light : .dark
             }
             else {

1Weather/Model/Settings.swift

@@ -22,13 +22,13 @@ struct UserDefaultsUnitValue<T> {
             return decoded
         }
         set {
-            if let data = try? NSKeyedArchiver.archivedData(withRootObject: newValue, requiringSecureCoding: true) {
-                UserDefaults.standard.set(data, forKey: key)
-                UserDefaults.standard.synchronize()
-                
-                Settings.shared.delegate.invoke { (delegate) in
-                    delegate.settingsDidChange()
-                }
+            
+            let data = NSKeyedArchiver.archivedData(withRootObject: newValue)
+            UserDefaults.standard.set(data, forKey: key)
+            UserDefaults.standard.synchronize()
+            
+            Settings.shared.delegate.invoke { (delegate) in
+                delegate.settingsDidChange()
             }
         }
     }
@@ -75,24 +75,45 @@ class Settings {
     private init() {}
     
     @UserDefaultsBasicValue(key: "app_theme")
-    var appTheme = AppTheme.system
+    private var _appTheme = AppTheme.system.rawValue
     
-    @UserDefaultsBasicValue(key: "app_theme_auto")
-    var automaticSwitchTheme = false
+    public var appTheme:AppTheme {
+        get {
+            return AppTheme(rawValue: _appTheme) ?? .system
+        }
+        set {
+            _appTheme = newValue.rawValue
+            
+            if #available(iOS 13, *) {
+                switch newValue {
+                case .light:
+                    UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .light
+                case .dark:
+                    UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .dark
+                case .system:
+                    UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .unspecified
+                }
+            }
+            
+            Settings.shared.delegate.invoke { (delegate) in
+                delegate.settingsDidChange()
+            }
+        }
+    }
     
     @UserDefaultsUnitValue(key: "temperature_type")
-    var temperatureType = UnitTemperature.celsius
+    public var temperatureType = UnitTemperature.celsius
     
     @UserDefaultsUnitValue(key: "wind_speed_type")
-    var windSpeedType = UnitSpeed.milesPerHour
+    public var windSpeedType = UnitSpeed.milesPerHour
     
     @UserDefaultsUnitValue(key: "pressure_type")
-    var pressureType = UnitPressure.millibars
+    public var pressureType = UnitPressure.millibars
     
     @UserDefaultsUnitValue(key: "distance_type")
-    var distanceType = UnitLength.miles
+    public var distanceType = UnitLength.miles
     
-    var locale:Locale {
+    public var locale:Locale {
         return Locale(identifier: Localize.currentLanguage())
     }
 }

1Weather/UI/Helpers/ForecastTimePeriod/ForecastDetailPeriodButton.swift

@@ -110,8 +110,8 @@ class ForecastDetailPeriodButton: UIControl, PeriodButtonProtocol {
         
         weatherImageView.image = dailyWeather.type.image(isDay: true)
         weatherTypeLabel.text = dailyWeather.type.localized(isDay: true)
-        maxTempLabel.text = dailyWeather.maxTemp?.shortString
-        minTempLabel.text = dailyWeather.minTemp?.shortString
+        maxTempLabel.text = dailyWeather.maxTemp?.settingsConverted.shortString
+        minTempLabel.text = dailyWeather.minTemp?.settingsConverted.shortString
         
         let percent = dailyWeather.precipitationProbability ?? 0
         precipLabel.text = "\(percent)%"

1Weather/UI/Helpers/ForecastTimePeriod/ForecastPeriodButton.swift

@@ -110,8 +110,8 @@ class ForecastPeriodButton: UIControl, PeriodButtonProtocol {
     
     //Public
     func configure(dailyWeather: DailyWeather) {
-        self.tempLabel.text = dailyWeather.maxTemp?.shortString
-        self.minTempLabel.text = dailyWeather.minTemp?.shortString
+        self.tempLabel.text = dailyWeather.maxTemp?.settingsConverted.shortString
+        self.minTempLabel.text = dailyWeather.minTemp?.settingsConverted.shortString
         self.indicatorImageView.image = nil
         self.forecastImageView.image = dailyWeather.type.image(isDay: true)
         if Calendar.timeZoneCalendar(timeZone: dailyWeather.timeZone).isDateInToday(dailyWeather.date) {
@@ -124,7 +124,7 @@ class ForecastPeriodButton: UIControl, PeriodButtonProtocol {
     }
     
     func configure(hourlyWeather: HourlyWeather) {
-        self.tempLabel.text = hourlyWeather.temp?.shortString
+        self.tempLabel.text = hourlyWeather.temp?.settingsConverted.shortString
         self.minTempLabel.text = nil
         self.indicatorImageView.image = nil
         if Calendar.isNow(fromDate: hourlyWeather.date, timeZone: hourlyWeather.timeZone) {

1Weather/UI/Helpers/ForecastTimePeriod/ForecastTimePeriodView.swift

@@ -163,9 +163,9 @@ class ForecastTimePeriodView: UIView {
     
     private func updateDailyGraphPoints() {
         let daysCount = daily.count
-        let maxTemps = (daily.map{ CGFloat($0.maxTemp?.localizedValue ?? 0) })
+        let maxTemps = (daily.map{ CGFloat($0.maxTemp?.settingsConvertedValue ?? 0) })
         let topMaxTemp = maxTemps.max() ?? 0
-        let minTemps = (daily.map{ CGFloat($0.minTemp?.localizedValue ?? 0) })
+        let minTemps = (daily.map{ CGFloat($0.minTemp?.settingsConvertedValue ?? 0) })
         let topMinTemp = minTemps.max() ?? 0
        
         var maxPoints = [CGPoint]()
@@ -201,7 +201,7 @@ class ForecastTimePeriodView: UIView {
     
     private func updateHourlyGraphPoints() {
         let hoursCount = hourly.count
-        let temps = (hourly.map{ CGFloat($0.temp?.localizedValue ?? 0) })
+        let temps = (hourly.map{ CGFloat($0.temp?.settingsConvertedValue ?? 0) })
         let maxTemp = temps.max() ?? 0
        
         var points = [CGPoint]()

1Weather/UI/Helpers/ForecastTimePeriod/ForecastWindButton.swift

@@ -104,7 +104,7 @@ class ForecastWindButton: UIControl, PeriodButtonProtocol {
     
     func configure(hourlyWeather: HourlyWeather) {
         let direction = hourlyWeather.windDirection?.rawValue ?? "--"
-        let speed = hourlyWeather.windSpeed?.string ?? "--"
+        let speed = hourlyWeather.windSpeed?.settingsConverted.string ?? "--"
         windInfoLabel.text = "\(direction.uppercased())\n\(speed.uppercased())"
         let degrees = hourlyWeather.windDirection?.degrees ?? 0
         directionImageView.transform = CGAffineTransform(rotationAngle: degrees * .pi / 180)

1Weather/UI/Helpers/ThemeManager.swift

@@ -7,8 +7,8 @@
 
 import UIKit
 
-public enum AppTheme {
-    case light
+public enum AppTheme: Int {
+    case light = 0
     case dark
     case system
 }
@@ -27,6 +27,19 @@ public struct ThemeManager {
         return DefaultTheme()
     }
     
+    static func setBaseTheme() {
+        if #available(iOS 13, *) {
+            switch Settings.shared.appTheme {
+            case .light:
+                UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .light
+            case .dark:
+                UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .dark
+            case .system:
+                UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .unspecified
+            }
+        }
+    }
+    
     static func refreshAppearance() {
         //Navigation bar
         UINavigationBar.appearance().barTintColor = currentTheme.navigationBarBackgroundColor

1Weather/UI/View controllers/Forecast/Cells/ForecastDayCell.swift

@@ -50,8 +50,8 @@ class ForecastDayCell: UITableViewCell {
     public func configure(today:CurrentWeather) {
         ForecastDayCell.formatter.timeZone = today.timeZone
         dateLabel.text = ForecastDayCell.formatter.string(from: today.date)
-        let maxTemp = today.maxTemp?.shortString ?? "--"
-        let minTemp = today.minTemp?.shortString ?? "--"
+        let maxTemp = today.maxTemp?.settingsConverted.shortString ?? "--"
+        let minTemp = today.minTemp?.settingsConverted.shortString ?? "--"
         forecastLabel.text = "\(today.type.localized(isDay: today.isDay)) | \(maxTemp)/\(minTemp)"
     }
 }

1Weather/UI/View controllers/Forecast/Cells/ForecastInfoCell/ForecastConditionView.swift

@@ -37,7 +37,7 @@ class ForecastConditionView: UIView {
         case .visibility:
             valueLabel.text = "--"
         case .wind:
-            let speed = dailyWeather.windSpeed?.string ?? "--"
+            let speed = dailyWeather.windSpeed?.settingsConverted.string ?? "--"
             let direction = dailyWeather.windDirection?.rawValue ?? ""
             valueLabel.text = "\(direction) \(speed)"
         }

1Weather/UI/View controllers/Forecast/Cells/ForecastInfoCell/ForecastInfoCell.swift

@@ -47,8 +47,8 @@ class ForecastInfoCell: UITableViewCell {
     //Public
     public func configure(dailyWeather: DailyWeather) {
         weatherTypeImageView.image = dailyWeather.type.image(isDay: true)
-        let maxTemp = dailyWeather.maxTemp?.shortString ?? "--"
-        let minTemp = dailyWeather.minTemp?.shortString ?? "--"
+        let maxTemp = dailyWeather.maxTemp?.settingsConverted.shortString ?? "--"
+        let minTemp = dailyWeather.minTemp?.settingsConverted.shortString ?? "--"
         tempLabel.text = "\(maxTemp)/\(minTemp)"
         weatherTypeLabel.text = dailyWeather.type.localized(isDay: true)
         weatherDescriptionLabel.text = "Feels like --"

1Weather/UI/View controllers/Settings/Cells/SettingsCellFactory.swift

@@ -85,11 +85,19 @@ private struct SettingsDataSource {
 class SettingsCellFactory: CellFactoryProtocol {
     //Private
     private let viewModel:SettingsViewModel
-    private let sections:[SettingsDataSource] = [SettingsDataSource(section: .theme, rows: [.theme]),
-                                                 SettingsDataSource(section: .units, rows: [.temperature, .wind, .pressure, .distance]),
-                                                 SettingsDataSource(section: .language, rows: [.language]),
-                                                 SettingsDataSource(section: .other, rows: [.manageNotifications, .locationAccess])]
-    
+    private let sections:[SettingsDataSource] = {
+        var array = [SettingsDataSource]()
+        
+        if #available(iOS 13, *) {
+            array.append(SettingsDataSource(section: .theme, rows: [.theme]))
+        }
+        
+        array.append(contentsOf: [SettingsDataSource(section: .units, rows: [.temperature, .wind, .pressure, .distance]),
+                                  SettingsDataSource(section: .language, rows: [.language]),
+                                  SettingsDataSource(section: .other, rows: [.manageNotifications, .locationAccess])])
+        
+        return array
+    }()
     //Public
     init(viewModel:SettingsViewModel) {
         self.viewModel = viewModel

1Weather/UI/View controllers/Settings/Cells/SettingsThemeCell.swift

@@ -51,6 +51,7 @@ class SettingsThemeCell: UITableViewCell {
     private func updateUI() {
         contentView.backgroundColor = ThemeManager.currentTheme.baseBackgroundColor
         container.backgroundColor = ThemeManager.currentTheme.containerBackgroundColor
+        configure(settings: Settings.shared)
         
         switch interfaceStyle {
         case .light:
@@ -65,18 +66,25 @@ class SettingsThemeCell: UITableViewCell {
     }
     
     @objc private func handleThemeButton(button: UIButton) {
-        
+        switch button {
+        case lightThemeButton:
+            Settings.shared.appTheme = .light
+        case darkThemeButton:
+            Settings.shared.appTheme = .dark
+        default:
+            break
+        }
     }
     
     @objc private func handleAutomaticSwith() {
-        
+        Settings.shared.appTheme = .system
     }
     
     //Public
     public func configure(settings: Settings) {
         lightThemeButton.setImage(interfaceStyle == .light ? checkmarkSelectedImage : checkmarkUnselectedImage, for: .normal)
         darkThemeButton.setImage(interfaceStyle == .dark ? checkmarkSelectedImage : checkmarkUnselectedImage, for: .normal)
-        automaticSwitchButton.isOn = settings.automaticSwitchTheme
+        automaticSwitchButton.isOn = settings.appTheme == .system
     }
 }
 

1Weather/UI/View controllers/Settings/SettingsDetailsViewController.swift

@@ -86,6 +86,7 @@ extension SettingsDetailsViewController: UITableViewDelegate {
     }
 }
 
+//MARK:- ViewModel Delegate
 extension SettingsDetailsViewController: ViewModelDelegate {
     func viewModelDidChange<P>(model: P) where P : ViewModelProtocol {
         tableView.reloadData()

1Weather/UI/View controllers/Settings/SettingsViewController.swift

@@ -150,6 +150,8 @@ extension SettingsViewController: UITableViewDelegate {
     }
     
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let sectionType = settingsCellFactory.sectionTypeAt(indexPath: indexPath)
+        guard sectionType == .units else { return }
         coordinator.openDetailsViewController(rowType: settingsCellFactory.rowTypeAt(indexPath: indexPath))
     }
 }

1Weather/UI/View controllers/Today/Cells/CityConditions/CityConditionButton.swift

@@ -33,13 +33,13 @@ class CityConditionButton: UIControl {
         case .uvIndex:
             valueLabel.text = "4"
         case .pressure:
-            valueLabel.text = location.today?.pressure?.string
+            valueLabel.text = location.today?.pressure?.settingsConverted.string
         case .dewPoint:
             valueLabel.text = "12°"
         case .visibility:
-            valueLabel.text = location.today?.visibility?.string
+            valueLabel.text = location.today?.visibility?.settingsConverted.string
         case .wind:
-            let speed = location.today?.windSpeed?.string ?? "--"
+            let speed = location.today?.windSpeed?.settingsConverted.string ?? "--"
             let direction = location.today?.windDirection?.rawValue ?? ""
             valueLabel.text = "\(direction) \(speed)"
         }

1Weather/UI/View controllers/Today/Cells/CityDayTimesCell/DayTimeView.swift

@@ -38,7 +38,7 @@ class DayTimeView: UIView {
     public func configure(with dayTimeWeather:DayTimeWeather) {
         dayTimeLabel.text = dayTimeWeather.dayTime.localized
         forecastImageView.image = dayTimeWeather.type.image(isDay: dayTimeWeather.isDay)
-        tempLabel.text = dayTimeWeather.temp?.shortString ?? "--"
+        tempLabel.text = dayTimeWeather.temp?.settingsConverted.shortString ?? "--"
         dayTimeConditionLabel.text = dayTimeWeather.type.localized(isDay: dayTimeWeather.isDay)
     }
     

1Weather/UI/View controllers/Today/Cells/CityForecastCell.swift

@@ -42,10 +42,10 @@ class CityForecastCell: UITableViewCell {
     //Public
     public func configure(with location:Location) {
         cityImageView.image = UIImage(named: location.imageName ?? "")
-        temperatureLabel.text = location.today?.temp?.shortString
-        let maxTemp = location.today?.maxTemp?.shortString ?? "--"
-        let minTemp = location.today?.minTemp?.shortString ?? "--"
-        let feelstemp = location.today?.apparentTemp?.shortString ?? "--"
+        temperatureLabel.text = location.today?.temp?.settingsConverted.shortString
+        let maxTemp = location.today?.maxTemp?.settingsConverted.shortString ?? "--"
+        let minTemp = location.today?.minTemp?.settingsConverted.shortString ?? "--"
+        let feelstemp = location.today?.apparentTemp?.settingsConverted.shortString ?? "--"
         forecastDescriptionLabel.text = "\(location.today?.type.localized(isDay: location.today?.isDay ?? true) ?? "") | \(maxTemp)/\(minTemp)"
         feelsLikeLabel.text = "Feels like \(feelstemp) - Due to high humidity"
         forecastImageView.image = location.today?.type.image(isDay: location.today?.isDay ?? true)

1Weather/UI/View controllers/Today/Cells/TodayAlertCell.swift

+//
+//  TodayAlertCell.swift
+//  1Weather
+//
+//  Created by Dmitry Stepanets on 29.03.2021.
+//
+
+import UIKit
+
+class TodayAlertCell: UITableViewCell {
+    //Private
+    private let container = UIView()
+    private let alertImageView = UIImageView()
+    private let infoLabel = UILabel()
+    private let timeAgoLabel = UILabel()
+    private let moreLabel = UILabel()
+}

1Weather/ViewModels/SettingsDetailsViewModel.swift

@@ -46,8 +46,13 @@ class SettingsDetailsViewModel: ViewModelProtocol {
         return Localize.availableLanguages().firstIndex{ $0 == Localize.currentLanguage() } ?? -1
     }
     
+    deinit {
+        Settings.shared.delegate.remove(delegate: self)
+    }
+    
     init(rowType: SettingsRow) {
         self.rowType = rowType
+        Settings.shared.delegate.add(delegate: self)
     }
     
     public func selectUnitAtIndex(index: Int) {
@@ -59,7 +64,7 @@ class SettingsDetailsViewModel: ViewModelProtocol {
         case .pressure:
             Settings.shared.pressureType = pressures[index]
         case .distance:
-        Settings.shared.distanceType = distances[index]
+            Settings.shared.distanceType = distances[index]
         default:
             break
         }
@@ -67,7 +72,14 @@ class SettingsDetailsViewModel: ViewModelProtocol {
         delegate?.viewModelDidChange(model: self)
     }
     
-    public func selectLaanguage(identifier:String, atIndex index:Int) {
+    public func selectLanguage(identifier:String, atIndex index:Int) {
         
     }
 }
+
+//MARK:- SettingsDetails View Model
+extension SettingsDetailsViewModel: SettingsDelegate {
+    func settingsDidChange() {
+        self.delegate?.viewModelDidChange(model: self)
+    }
+}

1Weather/ViewModels/TodayViewModel.swift

@@ -18,11 +18,13 @@ class TodayViewModel: ViewModelProtocol {
     
     deinit {
         self.locationManager.remove(delegate: self)
+        Settings.shared.delegate.remove(delegate: self)
     }
     
     public init(locationManager: LocationManager) {
         self.locationManager = locationManager
         locationManager.add(delegate: self)
+        Settings.shared.delegate.add(delegate: self)
         
         //Setup factory callback
         todayCellFactory.onGetLocation = {[weak self] in
@@ -45,3 +47,10 @@ extension TodayViewModel: LocationManagerDelegate {
         }
     }
 }
+
+//MARK:- Settings View Model
+extension TodayViewModel: SettingsDelegate {
+    func settingsDidChange() {
+        delegate?.viewModelDidChange(model: self)
+    }
+}

PG.playground/Contents.swift

 import Foundation
 import UIKit
 
-let testData = try NSKeyedArchiver.archivedData(withRootObject: UnitTemperature.celsius, requiringSecureCoding: true)
+let far = Measurement<UnitTemperature>(value: 50, unit: .fahrenheit)
+let fmt = MeasurementFormatter()
+fmt.unitStyle = .long
+fmt.unitOptions = .providedUnit
+fmt.string(from: far.converted(to: .kelvin))
 

Pods/Pods.xcodeproj/xcuserdata/dstepanets.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -40,14 +40,14 @@
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>1</integer>
+			<integer>2</integer>
 		</dict>
 		<key>SnapKit.xcscheme</key>
 		<dict>
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>2</integer>
+			<integer>3</integer>
 		</dict>
 		<key>XMLCoder.xcscheme_^#shared#^_</key>
 		<dict>