Settings migration.

1Weather.xcodeproj/project.pbxproj

@@ -18,6 +18,7 @@
 		87D815AC2636D61D0015A6D1 /* NWSAlertViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 87D815AB2636D61D0015A6D1 /* NWSAlertViewModel.swift */; };
 		87DE8C81263BFBCE00E1C8D4 /* LegacyMigrationManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 87DE8C80263BFBCE00E1C8D4 /* LegacyMigrationManager.swift */; };
 		87DE8CB2263C09BA00E1C8D4 /* LegacyWdtLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 87DE8CB1263C09BA00E1C8D4 /* LegacyWdtLocation.swift */; };
+		87DE8CF4263C267B00E1C8D4 /* LegacySettings.swift in Sources */ = {isa = PBXBuildFile; fileRef = 87DE8CF3263C267B00E1C8D4 /* LegacySettings.swift */; };
 		C27F92C189A9C9E637AF6C3A /* Pods_OneWeatherNotificationServiceExtension.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 871EA87D239E6F89F6F8818E /* Pods_OneWeatherNotificationServiceExtension.framework */; };
 		CD1237C3255D5C5900C98139 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD1237C2255D5C5900C98139 /* AppDelegate.swift */; };
 		CD1237CC255D5C5C00C98139 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = CD1237CB255D5C5C00C98139 /* Assets.xcassets */; };
@@ -337,6 +338,7 @@
 		87D815B22636F2040015A6D1 /* NWSAlertInfoBlockTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NWSAlertInfoBlockTableViewCell.swift; sourceTree = "<group>"; };
 		87DE8C80263BFBCE00E1C8D4 /* LegacyMigrationManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegacyMigrationManager.swift; sourceTree = "<group>"; };
 		87DE8CB1263C09BA00E1C8D4 /* LegacyWdtLocation.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegacyWdtLocation.swift; sourceTree = "<group>"; };
+		87DE8CF3263C267B00E1C8D4 /* LegacySettings.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegacySettings.swift; sourceTree = "<group>"; };
 		C8C576F6184B547435CFF0F3 /* Pods-1Weather.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-1Weather.debug.xcconfig"; path = "Target Support Files/Pods-1Weather/Pods-1Weather.debug.xcconfig"; sourceTree = "<group>"; };
 		CD1237BF255D5C5900C98139 /* 1Weather.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = 1Weather.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		CD1237C2255D5C5900C98139 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -1584,6 +1586,7 @@
 				CEE0A178262FA9650044C257 /* DelayedSaveStorage.swift */,
 				87DE8C80263BFBCE00E1C8D4 /* LegacyMigrationManager.swift */,
 				87DE8CB1263C09BA00E1C8D4 /* LegacyWdtLocation.swift */,
+				87DE8CF3263C267B00E1C8D4 /* LegacySettings.swift */,
 			);
 			path = Storage;
 			sourceTree = "<group>";
@@ -1998,6 +2001,7 @@
 				CD8B60AE263819400055CB3F /* NWSAlertViewController.swift in Sources */,
 				CD593BCF2608A50900C93428 /* ForecastHourlyCell.swift in Sources */,
 				CD6B3036257262C2004B34B3 /* UIColor+Highlight.swift in Sources */,
+				87DE8CF4263C267B00E1C8D4 /* LegacySettings.swift in Sources */,
 				CEE0A17B263179E60044C257 /* NWSAlertInfoBlock.swift in Sources */,
 				CD1DDD332602305200AC62B2 /* ForecastInfoCell.swift in Sources */,
 				CEDE4E8425EEFD56007457E9 /* WdtDailySummariesArray.swift in Sources */,

1Weather/Model/LocationManager.swift

@@ -238,6 +238,7 @@ public class LocationManager {
         
         storage.load { (locations, selectedIndex, error) in
             if locations?.count ?? 0 == 0 && self.legacyMigrator.migrationNeeded {
+                self.legacyMigrator.migrateSettings()
                 self.legacyMigrator.loadLegacyLocations { [weak self] (legacyLocations, migrationError) in
                     guard let self = self else { return }
                     guard migrationError == nil else {

1Weather/Storage/LegacyMigrationManager.swift

@@ -87,6 +87,11 @@ class LegacyMigrationManager {
         return true
     }
     
+    func migrateSettings() {
+        let legacySettings = LegacySettings()
+        legacySettings.loadLegacySettings()
+    }
+    
     func loadLegacyLocations(completion: @escaping Completion) {
         internalQueue.addOperation { [weak self] in
             guard let self = self else { return }

1Weather/Storage/LegacySettings.swift

+//
+//  LegacySettings.swift
+//  1Weather
+//
+//  Created by Demid Merzlyakov on 30.04.2021.
+//
+
+import Foundation
+
+// Used in Settings and Widget
+enum LegacyTempUnits: Int {
+    case fahrenheit, celsius
+}
+
+enum LegacyDistanceUnits: Int {
+    case miles, kilometers
+}
+
+enum LegacyWindUnits: Int {
+    case mph, kph, mps, knots, beaufort
+}
+
+enum LegacyPressureUnits: Int {
+    case inches, mb, mmhg, atm, kpa
+}
+
+
+public enum LegacySettingsEnum: String {
+
+    case metric
+    case unitsDistance
+    case unitsWind
+    case unitsPressure
+
+
+    static func registerDefaults() {
+        //log("B commentsLimit: \(UserDefaults.standard.integer(for: .commentsLimit))")
+        var isLocaleMetric = false
+        if let num = (Locale.current as NSLocale).object(forKey: NSLocale.Key.usesMetricSystem) {
+            isLocaleMetric = (num as AnyObject).intValue == 1
+            print("isMetric \(isLocaleMetric)")
+        }
+
+        UserDefaults.standard.register(defaults: [
+            //Setting.installedDate.rawValue: Date().getWithFormat("MM dd yyyy"),
+            LegacySettingsEnum.metric.rawValue: isLocaleMetric,
+            LegacySettingsEnum.unitsDistance.rawValue: isLocaleMetric ? DistanceUnits.kilometers.rawValue : DistanceUnits.miles.rawValue,
+            LegacySettingsEnum.unitsWind.rawValue: isLocaleMetric ? WindUnits.kph.rawValue : WindUnits.mph.rawValue,
+            LegacySettingsEnum.unitsPressure.rawValue: isLocaleMetric ? PressureUnits.mb.rawValue : PressureUnits.inches.rawValue
+            ])
+    
+    }
+}
+
+fileprivate extension UserDefaults {
+    func bool(for setting: LegacySettingsEnum) -> Bool {
+        return bool(forKey: setting.rawValue)
+    }
+    func set(_ bool: Bool, for setting: LegacySettingsEnum) {
+        set(bool, forKey: setting.rawValue)
+    }
+    func integer(for setting: LegacySettingsEnum) -> Int {
+        return integer(forKey: setting.rawValue)
+    }
+}
+
+class LegacySettings: NSObject {
+    func loadLegacySettings() {
+        LegacySettingsEnum.registerDefaults()
+        let ud = UserDefaults.standard
+        let metric = ud.bool(for: .metric)
+        let distanceUnits = LegacyDistanceUnits(rawValue: ud.integer(for: .unitsDistance))
+        let windSpeedUnits = LegacyWindUnits(rawValue: ud.integer(for: .unitsWind))
+        let pressureUnits = LegacyPressureUnits(rawValue: ud.integer(for: .unitsPressure))
+        
+        let settings = Settings.shared
+        
+        if metric {
+            settings.temperatureType = .celsius
+        }
+        else {
+            settings.temperatureType = .fahrenheit
+        }
+        
+        
+        if let distanceUnits = distanceUnits {
+            if distanceUnits == .kilometers {
+                settings.distanceType = .kilometers
+            }
+            else {
+                settings.distanceType = .miles
+            }
+        }
+        
+        if let windSpeedUnits = windSpeedUnits {
+            switch windSpeedUnits {
+            case .mps:
+                settings.windSpeedType = .metersPerSecond
+            case .mph:
+                settings.windSpeedType = .milesPerHour
+            case .kph:
+                settings.windSpeedType = .kilometersPerHour
+            case .knots:
+                settings.windSpeedType = .knots
+            case .beaufort:
+                settings.windSpeedType = metric ? .metersPerSecond : .milesPerHour // TODO: handle this
+            }
+        }
+        
+        if let pressureUnits = pressureUnits {
+            switch pressureUnits {
+            case .atm:
+                settings.pressureType = .atmosphere
+            case .inches:
+                settings.pressureType = .inchesOfMercury
+            case .kpa:
+                settings.pressureType = .kilopascals
+            case .mb:
+                settings.pressureType = .millibars
+            case .mmhg:
+                settings.pressureType = .millimetersOfMercury
+            }
+        }
+    }
+}