Working network request parsing.

1Weather/AppDelegate.swift

@@ -6,6 +6,7 @@
 //
 
 import UIKit
+import CoreLocation
 
 @main
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -14,6 +15,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         
         ThemeManager.refreshAppearance()
+
+        LocationManager.shared.currentLocation = Location(coordinates: CLLocationCoordinate2D(latitude: 40.730610, longitude: -73.935242), timeZone: TimeZone(identifier: "EST")!)
         
         self.window = UIWindow(frame: UIScreen.main.bounds)
         let appCoordinator = AppCoordinator(window: self.window!)

1Weather/Coordinators/TodayCoordinator.swift

@@ -9,7 +9,7 @@ import UIKit
 
 class TodayCoordinator:Coordinator {
     //Private
-    private let todayViewModel = TodayViewModel()
+    private let todayViewModel = TodayViewModel(locationManager: LocationManager.shared) // TODO: get rid of singleton maybe?
     private let navigationController = UINavigationController(nibName: nil, bundle: nil)
     private var tabBarController:UITabBarController?
     

1Weather/Model/LocationManager.swift

@@ -14,18 +14,47 @@ public protocol LocationManagerDelegate: class {
 public class LocationManager {
     private let log = Logger(componentName: "LocationManager")
     private let delegates = MulticastDelegate<LocationManagerDelegate>()
+    private let weatherUpdateSource: WeatherSource
+    
+    public static let shared = LocationManager(weatherUpdateSource: WdtWeatherSource())
+    
+    public init(weatherUpdateSource: WeatherSource) {
+        self.weatherUpdateSource = weatherUpdateSource
+    }
     
     public var currentLocation: Location? {
         didSet {
-            if currentLocation != oldValue {
+            if oldValue?.description != currentLocation?.description {
                 log.info("Current location changed to: \(currentLocation?.description ?? "nil")")
-                delegates.invoke { [weak self] (delegate) in
-                    guard let self = self else { return }
-                    delegate.locationManager(self, changedCurrentLocation: currentLocation)
+            }
+            log.info("Location updated.")
+            delegates.invoke { [weak self] (delegate) in
+                guard let self = self else { return }
+                delegate.locationManager(self, changedCurrentLocation: currentLocation)
+            }
+        }
+    }
+    
+    public func updateWeather() {
+        guard let location = currentLocation else {
+            log.warning("Update weather: no location.")
+            return
+        }
+        log.info("Update weather for location: \(location)")
+        weatherUpdateSource.updateWeather(for: location) { [weak self] (updatedLocation, error) in
+            guard let self = self else { return }
+            guard let updatedLocation = updatedLocation else {
+                if let error = error {
+                    self.log.error("Update weather error: \(error)")
+                }
+                else {
+                    self.log.error("Update weather error: unknown error")
                 }
+                return
             }
-            else {
-                log.debug("location updated without changing")
+            
+            DispatchQueue.main.async {
+                self.currentLocation = updatedLocation
             }
         }
     }

1Weather/Model/ModelObjects/Location.swift

@@ -8,7 +8,7 @@
 import Foundation
 import CoreLocation
 
-public struct Location: CustomStringConvertible, Equatable {
+public struct Location: CustomStringConvertible {
     // MARK: - Data fields
     public var coordinates: CLLocationCoordinate2D?
     public var imageName: String? = "ny_bridge" //we'll possibly need to switch to URL
@@ -39,6 +39,7 @@ public struct Location: CustomStringConvertible, Equatable {
     public var zip: String?
     
     public var fipsCode: String?
+    public var timeZone: TimeZone
     
     public var today: CurrentWeather?
     public var daily: [DailyWeather] = [DailyWeather]()
@@ -57,20 +58,6 @@ public struct Location: CustomStringConvertible, Equatable {
             return "\(cityId) (no coordinates)"
         }
     }
-    
-    public static func == (lhs: Location, rhs: Location) -> Bool {
-        // Should we compare the weather here, too?
-        
-        // TODO: implement
-        #warning("Not implemented!")
-        #if DEBUG
-        //TODO: REMOVE THIS'
-        return false
-        #warning("THIS IS A DEBUG-ONLY PIECE OF CODE! Not even temporary! Remove before making a production build.")
-        #else
-        #error("THIS IS A DEBUG-ONLY PIECE OF CODE! Not even temporary! Remove before making a production build.")
-        #endif
-    }
 }
 
 // MARK: - UpdatableModelObject implementation

1Weather/Network/Model/HelperObjects/WdtWeatherCode.swift

@@ -117,8 +117,6 @@ enum WdtWeatherCode: String, Codable {
         case .mostlyCloudy, .overcast:
             //TODO: handle mostly cloudy night
             return .mostlyCloudyDay
-        default:
-            return .unknown
         }
     }
 }

1Weather/Network/Model/WdtDailySummary.swift

@@ -46,7 +46,7 @@ struct WdtDailySummary: Codable {
         dateFormatter.dateFormat = "MM/dd/YYYY"
         dateFormatter.timeZone = timeZone
         guard let date = dateFormatter.date(from: dateLocal) else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("daily.date: \(dateLocal)")
         }
         
         var weekDay = WeekDay(rawValue: self.weekDay)
@@ -56,7 +56,7 @@ struct WdtDailySummary: Codable {
             weekDay = WeekDay(grigorianWeekDayNumber: calendar.component(.weekday, from: date))
         }
         guard let weekDayUnwrapped = weekDay else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("daily.weekday: \(self.weekDay)")
         }
         
         var result = DailyWeather(date: date, timeZone: timeZone, weekDay: weekDayUnwrapped)
@@ -75,7 +75,7 @@ struct WdtDailySummary: Codable {
         
         let sunMoonDateFormatter = DateFormatter()
         sunMoonDateFormatter.timeZone = TimeZone(identifier: "UTC")
-        sunMoonDateFormatter.dateFormat = "YYYY-MM-dd hh:mm:ss"
+        sunMoonDateFormatter.dateFormat = "YYYY-MM-dd HH:mm:ss"
         if let sunriseUtc = sunriseUtc {
             result.sunrise = sunMoonDateFormatter.date(from: sunriseUtc)
         }

1Weather/Network/Model/WdtHourlySummary.swift

@@ -36,11 +36,11 @@ struct WdtHourlySummary: Codable {
     
     func toAppModel(timeZone: TimeZone) throws -> HourlyWeather {
         let dateFormatter = DateFormatter()
-        dateFormatter.dateFormat = "YYYY-MM-dd hh:mm:ss"
+        dateFormatter.dateFormat = "YYYY-MM-dd HH:mm:ss"
         dateFormatter.timeZone = timeZone
         
         guard let date = dateFormatter.date(from: self.dateTimeLocal) else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("hourly.date: \(self.dateTimeLocal)")
         }
         
         var weekDay = WeekDay(rawValue: self.weekDay)
@@ -50,7 +50,7 @@ struct WdtHourlySummary: Codable {
             weekDay = WeekDay(grigorianWeekDayNumber: calendar.component(.weekday, from: date))
         }
         guard let weekDayUnwrapped = weekDay else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("hourly.weekday: \(self.weekDay)")
         }
         
         let isDay = dayNight.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() == "day"

1Weather/Network/Model/WdtLocation.swift

@@ -37,10 +37,19 @@ struct WdtLocation: Codable {
         if let lat = CLLocationDegrees(lat ?? ""), let lon = CLLocationDegrees(lon ?? "") {
             coordinates = CLLocationCoordinate2D(latitude: lat, longitude: lon)
         }
-        let today = try surfaceObservation.toAppModel(timeZone: timeZone)
+        var today = try surfaceObservation.toAppModel(timeZone: timeZone)
         let dailyWeather = try dailySummaries?.toAppModel(timeZone: timeZone) ?? [DailyWeather]()
         let hourlyWeather = try hourlySummaries?.toAppModel(timeZone: timeZone) ?? [HourlyWeather]()
         
+        if let firstDay = dailyWeather.first {
+            today.minTemp = firstDay.minTemp
+            today.maxTemp = firstDay.maxTemp
+            today.precipitationProbability = firstDay.precipitationProbability
+            today.sunState = firstDay.sunState
+            today.moonState = firstDay.moonState
+            today.moonPhase = firstDay.moonPhase
+        }
+        
         return Location(coordinates: coordinates,
                         imageName: nil,
                         countryCode: nil,
@@ -50,6 +59,7 @@ struct WdtLocation: Codable {
                         nickname: nil,
                         zip: zipcode,
                         fipsCode: nil,
+                        timeZone: timeZone,
                         today: today,
                         daily: dailyWeather,
                         hourly: hourlyWeather)

1Weather/Network/Model/WdtSurfaceObservation.swift

@@ -42,11 +42,11 @@ struct WdtSurfaceObservation: Codable {
     
     public func toAppModel(timeZone: TimeZone) throws -> CurrentWeather {
         let dateFormatter = DateFormatter()
-        dateFormatter.dateFormat = "YYYY-MM-dd hh:mm:ss"
+        dateFormatter.dateFormat = "YYYY-MM-dd HH:mm:ss"
         dateFormatter.timeZone = timeZone
         
         guard let date = dateFormatter.date(from: self.dateTimeLocal) else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("today.date: \(dateTimeLocal)")
         }
         var weekDay = WeekDay(rawValue: self.weekDay)
         if weekDay == nil {
@@ -55,7 +55,7 @@ struct WdtSurfaceObservation: Codable {
             weekDay = WeekDay(grigorianWeekDayNumber: calendar.component(.weekday, from: date))
         }
         guard let weekDayUnwrapped = weekDay else {
-            throw WdtWeatherSourceError.dataMergeError
+            throw WdtWeatherSourceError.dataMergeError("today.weekday: \(self.weekDay)")
         }
         
         let isDay = dayNight.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() == "day"
@@ -64,13 +64,6 @@ struct WdtSurfaceObservation: Codable {
         if let weatherCode = self.weatherCode {
             result.type = WdtWeatherCode(rawValue: weatherCode)?.toAppModel() ?? .unknown
         }
-        // TODO: gotta fill up values from daily:
-        // minTemp
-        // maxTemp
-        // precipitationProbability
-        // sunState
-        // moonState
-        // moonPhase
         
         result.windSpeed = WindSpeed(valueString: self.windSpeedKph, unit: .kilometersPerHour)
         result.windDirection = WindDirection(rawValue: windDirection ?? "")

1Weather/Network/WdtWeatherSource.swift

@@ -13,7 +13,7 @@ public enum WdtWeatherSourceError: Error {
     case badUrl
     case networkError(Error?)
     case badServerResponse(Error?)
-    case dataMergeError
+    case dataMergeError(String)
 }
 
 public class WdtWeatherSource: WeatherSource {
@@ -58,10 +58,11 @@ public class WdtWeatherSource: WeatherSource {
             let decoder = XMLDecoder()
             do {
                 let locationResponse = try decoder.decode(WdtLocationResponse.self, from: data)
-                guard let newLocation = self.update(location: location, from: locationResponse) else {
+                guard let newLocation = try self.update(location: location, from: locationResponse) else {
                     completion(nil, WdtWeatherSourceError.badServerResponse(error))
                     return
                 }
+                
                 completion(newLocation, nil)
             }
             catch {
@@ -71,29 +72,12 @@ public class WdtWeatherSource: WeatherSource {
         dataTask.resume()
     }
     
-    func update(location: Location, from locationResponse: WdtLocationResponse) -> Location? {
-//        guard let wdtLocation = locationResponse.locations.first else {
-//            return nil
-//        }
-        var updatedLocation = location
-//        if updatedLocation.coordinates == nil {
-//            if let lat = CLLocationDegrees(wdtLocation.lat ?? ""), let lon = CLLocationDegrees(wdtLocation.lon ?? "") {
-//                location.coordinates = CLLocationCoordinate2D(latitude: lat, longitude: lon)
-//            }
-//        }
-//        if updatedLocation.cityName == nil {
-//            updatedLocation.cityName = wdtLocation.city
-//        }
-//        if updatedLocation.countryName == nil {
-//            updatedLocation.countryName = wdtLocation.country
-//        }
-//        if updatedLocation.region == nil {
-//            updatedLocation.
-//        }
-//
-        // TOOD: implement
-        #warning("Not implemented!")
-        
+    func update(location: Location, from locationResponse: WdtLocationResponse) throws -> Location? {
+        guard let wdtLocation = locationResponse.locations.first else {
+            return nil
+        }
+        let incrementalChanges = try wdtLocation.toAppModel(timeZone: location.timeZone)
+        let updatedLocation = location.mergedWith(incrementalChanges: incrementalChanges)
         return updatedLocation
     }
 }

1Weather/UI/View controllers/Today/TodayViewController.swift

@@ -35,6 +35,9 @@ class TodayViewController: UIViewController {
         prepareViewController()
         prepareNavigationBar()
         prepareTableView()
+        
+        viewModel.delegate = self
+        viewModel.updateWeather()
     }
     
     override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
@@ -120,3 +123,9 @@ extension TodayViewController: UITableViewDelegate {
         viewModel.todayCellFactory.willDisplay(cell: cell)
     }
 }
+
+extension TodayViewController: ViewModelDelegate {
+    func viewModelDidChange<P>(model: P) where P : ViewModelProtocol {
+        tableView.reloadData()
+    }
+}

1Weather/ViewModels/TodayViewModel.swift

@@ -6,108 +6,38 @@
 //
 
 import UIKit
-class TodayViewModel {
+class TodayViewModel: ViewModelProtocol {
     //Public
     public let todayCellFactory = TodayCellFactory()
     public weak var delegate:ViewModelDelegate?
-    public private(set) var location:Location
+    public private(set) var location: Location?
+    private var locationManager: LocationManager
     
-    init() {
-        func weekDay(byIndex:Int) -> WeekDay {
-            switch byIndex {
-            case 0:
-                return .monday
-            case 1:
-                return .tuesday
-            case 2:
-                return .wednesday
-            case 3:
-                return .thursday
-            case 4:
-                return .friday
-            case 5:
-                return .saturday
-            default:
-                return .sunday
-            }
-        }
-        
-        let today = CurrentWeather(date: Date(),
-                                   timeZone: .current,
-                                   weekDay: .monday,
-                                   type: .heavyRain,
-                                   isDay: true,
-                                   minTemp: .init(value: -4, unit: .celsius),
-                                   maxTemp: .init(value: 9, unit: .celsius),
-                                   windSpeed: .init(value: 5, unit: .milesPerHour),
-                                   windDirection: .north,
-                                   precipitationProbability: .some(30),
-                                   temp: .init(value: 4, unit: .celsius),
-                                   apparentTemp: .init(value: 5, unit: .celsius),
-                                   humidity: .some(30),
-                                   visibility: .init(value: 8, unit: .miles),
-                                   pressure: .init(value: 29.7, unit: .inchesOfMercury),
-                                   sunrise: .init(hours: 6, minutes: 26),
-                                   sunset: .init(hours: 17, minutes: 46),
-                                   sunState: .alwaysUp,
-                                   moonrise: .init(hours: 20, minutes: 00),
-                                   moonset: .init(hours: 5, minutes: 30),
-                                   moonState: .normal)
-        
-        var daily = [DailyWeather]()
-        var dailyStartDate = Date() - TimeInterval(3600 * 24)
-        for index in 0..<7 {
-            let day = DailyWeather(date: dailyStartDate,
-                                   timeZone: .current,
-                                   weekDay: weekDay(byIndex: index),
-                                   type: WeatherType.allCases.randomElement() ?? .unknown,
-                                   minTemp: .init(value: Double.random(in: -3..<5), unit: .celsius),
-                                   maxTemp: .init(value: Double.random(in: 5..<10), unit: .celsius),
-                                   windSpeed: .init(value: Double.random(in: 0..<10), unit: .milesPerHour),
-                                   windDirection: WindDirection.allCases.randomElement() ?? .east,
-                                   precipitationProbability: .some(UInt.random(in: 0..<100)),
-                                   sunrise: nil,
-                                   sunset: nil,
-                                   sunState: .normal,
-                                   moonrise: nil,
-                                   moonset: nil,
-                                   moonState: .normal)
-            dailyStartDate = dailyStartDate + TimeInterval(3600 * 24)
-            daily.append(day)
-        }
-        
-        var hourly = [HourlyWeather]()
-        var startDate = Date() - TimeInterval(3600)
-        for _ in 0..<24 {
-            let hour = HourlyWeather(date: startDate,
-                                     timeZone: TimeZone(abbreviation: "EST") ?? .current,
-                                     weekDay: .monday,
-                                     type: WeatherType.allCases.randomElement() ?? .unknown,
-                                     isDay: true,
-                                     temp: .init(value: Double.random(in: -3..<10), unit: .celsius),
-                                     windSpeed: .init(value: Double.random(in: 0..<10), unit: .milesPerHour),
-                                     windDirection: WindDirection.allCases.randomElement() ?? .east,
-                                     precipitationProbability: .some(UInt.random(in: 0..<100)),
-                                     humidity: .some(UInt.random(in: 0..<100)))
-            startDate = startDate + TimeInterval(3600)
-            hourly.append(hour)
-        }
-        
-        self.location = Location(coordinates: nil,
-                                 imageName: "ny_bridge",
-                                 countryCode: "us",
-                                 countryName: "United States",
-                                 region: "New York",
-                                 cityName: "New York",
-                                 nickname: "ny",
-                                 fipsCode: "36",
-                                 today: today,
-                                 daily: daily,
-                                 hourly: hourly)
+    public init(locationManager: LocationManager) {
+        self.locationManager = locationManager
+        locationManager.add(delegate: self)
         
         //Setup factory callback
         todayCellFactory.onGetLocation = {[weak self] in
             return self?.location
         }
     }
+    
+    public func updateWeather() {
+        locationManager.updateWeather()
+    }
+    
+    deinit {
+        self.locationManager.remove(delegate: self)
+    }
+}
+
+extension TodayViewModel: LocationManagerDelegate {
+    func locationManager(_ locationManager: LocationManager, changedCurrentLocation newLocation: Location?) {
+        DispatchQueue.main.async {
+            print("TVM")
+            self.location = newLocation
+            self.delegate?.viewModelDidChange(model: self)
+        }
+    }
 }