Lesson 03

lesson_3/3lesson_BesedinVladimir.playground/Contents.swift

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+import UIKit
+
+enum BrandеTruck: String {
+    case KAMAZ = "КАМАЗ"
+    case MAN = "MAN"
+    case HYUNDAI = "Hyundai"
+    case MERCEDES = "Mercedes"
+}
+enum BrandСar: String{
+    case HONDA = "Honda"
+    case LADA = "Lada"
+    case CITROEN = "Citroen"
+    case NISSAN = "Nissan"
+}
+enum Engine {
+    case start
+    case stop
+}
+enum Windows {
+    case open
+    case close
+}
+enum Volume{
+    case load(volume:Int)
+    case unload(volume:Int)
+}
+
+struct Truck {
+    var brand: BrandеTruck
+    var model: String
+    var year: Int               //Год выппуска
+    var stateEngine: Engine     //Состояние двигателя
+    var stateWindows: Windows   //Состояние окон
+    var fullVolume: Int         //Объем
+    var loadVolume: Volume      //Значение загрузить/разгрузить
+
+    var freePlace: Int = 0{
+    willSet{
+            print("Будет изменен груз кузова на: \(newValue)" )
+        }didSet{
+            print("Был изменен груз кузова с на \(freePlace)")
+        }
+    }
+
+
+    init(brand: BrandеTruck, model: String, year: Int, stateEngine: Engine = .stop, stateWindows: Windows = .close, fullVolume: Int, loadVolume: Volume = .load(volume: 0)) {
+        self.brand = brand
+        self.model = model
+        self.year = year
+        self.stateEngine = stateEngine
+        self.stateWindows = stateWindows
+        self.fullVolume = fullVolume
+        self.loadVolume = loadVolume
+    }
+
+
+    mutating func changePlaceVolume() {
+        let changeVolume = loadVolume
+            switch changeVolume {
+            case .load(let volume):
+                freePlace += volume
+            case .unload(let volume):
+                freePlace -= volume
+        }
+    }
+
+
+    mutating func changeStatusEngine() {
+        if stateEngine == .stop{
+            self.stateEngine = .start
+        }else{
+            self.stateEngine = .stop
+        }
+    }
+}
+
+struct Car {
+    var brand: BrandСar
+    var model: String
+    var year: Int               //Год выпуска
+    var stateEngine: Engine     //Состояние двигателя
+    var stateWindows: Windows   //Состояние окон
+    var fullVolume: Int         //Обьем кузова
+    var loadVolume: Volume      //Значение загрузить/разгрузить
+    var freePlace: Int = 0{
+    willSet{
+            print("Будет изменена загруженность багажника на \(newValue)")
+        }didSet{
+            print("Груз багажника \(freePlace)")
+        }
+    }
+
+    init(brand: BrandСar, model: String, year: Int, stateEngine: Engine = .stop, stateWindows: Windows = .close, fullVolume: Int, loadVolume: Volume = .load(volume: 0)) {
+        self.brand = brand
+        self.model = model
+        self.year = year
+        self.stateEngine = stateEngine
+        self.stateWindows = stateWindows
+        self.fullVolume = fullVolume
+        self.loadVolume = loadVolume
+    }
+
+
+    mutating func changePlaceVolume() {
+        let changeVolume = loadVolume
+            switch changeVolume {
+            case .load(let volume):
+                freePlace += volume
+            case .unload(let volume):
+                freePlace -= volume
+        }
+    }
+
+
+    mutating func changeStatusWindows() {
+        if stateWindows == .close{
+            self.stateWindows = .open
+        }else{
+            self.stateWindows = .close
+        }
+    }
+}
+
+var car = Car(brand: .CITROEN, model: "C4", year: 1997, stateEngine: .stop, stateWindows: .close, fullVolume: 100)
+var carTruck = Truck(brand: .MERCEDES, model: "666", year: 1999, stateEngine: .start, stateWindows: .close, fullVolume: 100)
+
+
+var newTruck = Truck(brand: .MAN, model: "555", year: 2005, fullVolume: 300)
+var newCar = Car(brand: .NISSAN, model: "Terrano", year: 2000, fullVolume: 100)
+
+
+
+//Именение свойств
+newTruck.model = "222"
+newTruck.fullVolume = 500
+newTruck.changeStatusEngine()
+newTruck.year = 3000
+
+newTruck.loadVolume = .load(volume: 200)
+newTruck.changePlaceVolume()
+newTruck.loadVolume = .load(volume: 200)
+newTruck.changePlaceVolume()
+
+
+newCar.changeStatusWindows()
+newCar.loadVolume = .load(volume: 20)
+newCar.changePlaceVolume()
+newCar.loadVolume = .load(volume: 40)
+newCar.changePlaceVolume()
+newCar.loadVolume = .unload(volume: 30)
+newCar.changePlaceVolume()
+
+print("\\\\\\")
+print(newTruck.brand, newTruck.model, newTruck.year, newTruck.stateEngine, newTruck.stateWindows, newTruck.fullVolume, newTruck.freePlace)
+print(newCar.brand, newCar.model, newTruck.year, newCar.stateEngine, newCar.stateWindows, newCar.fullVolume, newCar.freePlace)
+

lesson_3/3lesson_BesedinVladimir.playground/contents.xcplayground

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>