날씨앱 [STEP 1] caron

WeatherForecast/WeatherForecast.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		73B64D442BAB32DD0076ADE0 /* Utils.swift in Sources */ = {isa = PBXBuildFile; fileRef = 73B64D432BAB32DD0076ADE0 /* Utils.swift */; };
 		C741F6702B58F00500A4DDC0 /* Weather.swift in Sources */ = {isa = PBXBuildFile; fileRef = C741F66F2B58F00500A4DDC0 /* Weather.swift */; };
 		C7743D8D2B21C38100DF0D09 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = C7743D8C2B21C38100DF0D09 /* AppDelegate.swift */; };
 		C7743D8F2B21C38100DF0D09 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = C7743D8E2B21C38100DF0D09 /* SceneDelegate.swift */; };
@@ -19,6 +20,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		73B64D432BAB32DD0076ADE0 /* Utils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Utils.swift; sourceTree = "<group>"; };
 		C741F66F2B58F00500A4DDC0 /* Weather.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Weather.swift; sourceTree = "<group>"; };
 		C7743D892B21C38100DF0D09 /* WeatherForecast.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = WeatherForecast.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		C7743D8C2B21C38100DF0D09 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
@@ -68,6 +70,7 @@
 				C7743D902B21C38100DF0D09 /* ViewController.swift */,
 				C741F66F2B58F00500A4DDC0 /* Weather.swift */,
 				C7743DA22B21CA8500DF0D09 /* WeatherDetailViewController.swift */,
+				73B64D432BAB32DD0076ADE0 /* Utils.swift */,
 				C7743D922B21C38100DF0D09 /* Main.storyboard */,
 				C7743D952B21C38200DF0D09 /* Assets.xcassets */,
 				C7743D972B21C38200DF0D09 /* LaunchScreen.storyboard */,
@@ -150,6 +153,7 @@
 				C7743DA12B21C3B400DF0D09 /* WeatherTableViewCell.swift in Sources */,
 				C7743D912B21C38100DF0D09 /* ViewController.swift in Sources */,
 				C7743D8D2B21C38100DF0D09 /* AppDelegate.swift in Sources */,
+				73B64D442BAB32DD0076ADE0 /* Utils.swift in Sources */,
 				C7743DA32B21CA8600DF0D09 /* WeatherDetailViewController.swift in Sources */,
 				C741F6702B58F00500A4DDC0 /* Weather.swift in Sources */,
 				C7743D8F2B21C38100DF0D09 /* SceneDelegate.swift in Sources */,

WeatherForecast/WeatherForecast/Utils.swift

@@ -0,0 +1,28 @@
+//
+//  Utils.swift
+//  WeatherForecast
+//
+//  Created by qussk on 3/21/24.
+//
+
+import UIKit
+
+
+final class Utils {
+    static func dateSetUp(_ format: String?) -> DateFormatter {
+        let formatter: DateFormatter = DateFormatter()
+        let dateFormat = DateFormat(dataFormater: format, dateFormatStyle: .none)
+        formatter.timeStyle = .short
+        formatter.locale = .init(identifier: dateFormat.locale)
+        formatter.dateFormat = dateFormat.dataFormater
+
+        guard format != nil else {
+            formatter.dateFormat = .none
+            return formatter
+        }
+
+        return formatter
+    }
+
+}
+

WeatherForecast/WeatherForecast/ViewController.swift

@@ -6,36 +6,52 @@
 
 import UIKit
 
-class ViewController: UIViewController {
-    var tableView: UITableView!
-    let refreshControl: UIRefreshControl = UIRefreshControl()
-    var weatherJSON: WeatherJSON?
-    var icons: [UIImage]?
-    let imageChache: NSCache<NSString, UIImage> = NSCache()
-    let dateFormatter: DateFormatter = {
-        let formatter: DateFormatter = DateFormatter()
-        formatter.locale = .init(identifier: "ko_KR")
-        formatter.dateFormat = "yyyy-MM-dd(EEEEE) a HH:mm"
-        return formatter
-    }()
+
+final class ViewController: UIViewController {
+
+    private var tableView: UITableView!
+    private let refreshControl: UIRefreshControl = UIRefreshControl()
+    private var weatherJSON: WeatherJSON?
+    private var icons: [UIImage]?
+    private let imageChache: NSCache<NSString, UIImage> = NSCache()
 
-    var tempUnit: TempUnit = .metric
+    private var tempUnit: TempUnit = .metric
 
     override func viewDidLoad() {
         super.viewDidLoad()
         initialSetUp()
     }
 }
 
+fileprivate enum WeatherTitleType: String {
+    case celsius = "섭씨"
+    case fahrenheit = "화씨"
+}
+
+//fileprivate enum TempValueUnit: Double {
+//    case metric, imperial
+//    var expression: Double {
+//        switch self {
+//        case .metric: return "℃"
+//        case .imperial: return celsiusToFahrenheit(<#T##celsius: Double##Double#>)
+//        }
+//    }
+//    
+//    private func celsiusToFahrenheit(_ celsius: Double) -> Double {
+//        return celsius * 9 / 5 + 32
+//    }
+//}
+
 extension ViewController {
+
     @objc private func changeTempUnit() {
         switch tempUnit {
-        case .imperial:
+        case .imperial: //화
             tempUnit = .metric
-            navigationItem.rightBarButtonItem?.title = "섭씨"
-        case .metric:
+            navigationItem.rightBarButtonItem?.title = "\(WeatherTitleType.celsius.rawValue)"
+        case .metric: //섭
             tempUnit = .imperial
-            navigationItem.rightBarButtonItem?.title = "화씨"
+            navigationItem.rightBarButtonItem?.title = "\(WeatherTitleType.fahrenheit.rawValue)"
         }
         refresh()
     }
@@ -46,8 +62,22 @@ extension ViewController {
         refreshControl.endRefreshing()
     }
 
+    private func temperatureValue(_ celsius: Double, teampUnit: TempUnit) -> String {
+        guard tempUnit == .metric
+        else {
+            return "\(celsius)"
+        }
+
+        let fahrenheitTemperature = celsiusToFahrenheit(celsius)
+        return "\(fahrenheitTemperature)"
+    }
+
+    private func celsiusToFahrenheit(_ celsius: Double) -> Double {
+        return celsius * 9 / 5 + 32
+    }
+
     private func initialSetUp() {
-        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "화씨", image: nil, target: self, action: #selector(changeTempUnit))
+        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "\(WeatherTitleType.fahrenheit)", image: nil, target: self, action: #selector(changeTempUnit))
 
         layTable()
 
@@ -117,36 +147,14 @@ extension ViewController: UITableViewDataSource {
               let weatherForecastInfo = weatherJSON?.weatherForecast[indexPath.row] else {
             return cell
         }
+
+        let weather = weatherForecastInfo.weather
+        let tempValue = temperatureValue(weatherForecastInfo.main.temp, teampUnit: tempUnit)
 
-        cell.weatherLabel.text = weatherForecastInfo.weather.main
-        cell.descriptionLabel.text = weatherForecastInfo.weather.description
-        cell.temperatureLabel.text = "\(weatherForecastInfo.main.temp)\(tempUnit.expression)"
-
-        let date: Date = Date(timeIntervalSince1970: weatherForecastInfo.dt)
-        cell.dateLabel.text = dateFormatter.string(from: date)
-
-        let iconName: String = weatherForecastInfo.weather.icon         
-        let urlString: String = "https://openweathermap.org/img/wn/\(iconName)@2x.png"
+        weatherTableCell(cell: cell, indexPath: indexPath,iconName: weather.icon, imageView: cell.weatherIcon)
 
-        if let image = imageChache.object(forKey: urlString as NSString) {
-            cell.weatherIcon.image = image
-            return cell
-        }
-
-        Task {
-            guard let url: URL = URL(string: urlString),
-                  let (data, _) = try? await URLSession.shared.data(from: url),
-                  let image: UIImage = UIImage(data: data) else {
-                return
-            }
-
-            imageChache.setObject(image, forKey: urlString as NSString)
-
-            if indexPath == tableView.indexPath(for: cell) {
-                cell.weatherIcon.image = image
-            }
-        }
-
+        cell.configure(weatherIcon: cell.weatherIcon, dateLabel: dataTimeIntervalSince1970(weatherForecastInfo.dt), temperatureLabel: "\(tempValue)\(tempUnit.expression)", weatherLabel: weather.main, descriptionLabel: weather.description)
+
         return cell
     }
 }
@@ -162,5 +170,55 @@ extension ViewController: UITableViewDelegate {
         navigationController?.show(detailViewController, sender: self)
     }
 }
+extension ViewController {
+    private func dataTimeIntervalSince1970(_ dt: TimeInterval) -> String {
+        let date: Date = Date(timeIntervalSince1970: dt)
+        return Utils.dateSetUp(DataCase.long).string(from: date)
+    }
+}
+
+extension ViewController {
+    private func weatherTableCell(cell: WeatherTableViewCell, indexPath: IndexPath, iconName: String, imageView: UIImageView) {
+        let urlString: String = "\(ImageURLType.path.rawValue)\(iconName)\(ImageURLType.png.rawValue)"
 
+
+            setImageChache(chache: imageChache, cell: cell, urlString: urlString)
+
+
+            setImageTask(table: tableView, index: indexPath, cell: cell, urlString: urlString)
+
+    }
+
+    private func setImageChache(chache: NSCache<NSString, UIImage>, cell: WeatherTableViewCell, urlString: String) {
+        if let image = chache.object(forKey: urlString as NSString) {
+            cell.weatherIcon.image = image
+            return
+        }
+    }
+
+    private func setImageTask(table: UITableView, index: IndexPath, cell: WeatherTableViewCell, urlString: String) {
+        Task {
+            guard let url: URL = URL(string: urlString),
+                  let (data, _) = try? await URLSession.shared.data(from: url),
+                  let image: UIImage = UIImage(data: data) else {
+                return
+            }
+
+            setObjectImageChache(chache: imageChache, image: image, urlString: urlString)
+
+            setWeatherIconImage(table: tableView, index: index, cell: cell, image: image)
+
+        }
+    }
+
+    private func setObjectImageChache(chache: NSCache<NSString, UIImage>, image: UIImage, urlString: String) {
+        chache.setObject(image, forKey: urlString as NSString)
+    }
+
+    private func setWeatherIconImage(table: UITableView, index: IndexPath, cell: WeatherTableViewCell, image: UIImage) {
+        guard index == table.indexPath(for: cell) else { return }
+        cell.weatherIcon.image = image
+    }
+
+}
 

WeatherForecast/WeatherForecast/Weather.swift

@@ -7,35 +7,35 @@
 import Foundation
 
 // MARK: - Weather JSON Format
-class WeatherJSON: Decodable {
+struct WeatherJSON: Decodable {
     let weatherForecast: [WeatherForecastInfo]
     let city: City
 }
 
 // MARK: - List
-class WeatherForecastInfo: Decodable {
+struct WeatherForecastInfo: Decodable {
     let dt: TimeInterval
     let main: MainInfo
     let weather: Weather
     let dtTxt: String
 }
 
 // MARK: - MainClass
-class MainInfo: Decodable {
+struct MainInfo: Decodable {
     let temp, feelsLike, tempMin, tempMax: Double
     let pressure, seaLevel, grndLevel, humidity, pop: Double
 }
 
 // MARK: - Weather
-class Weather: Decodable {
+struct Weather: Decodable {
     let id: Int
     let main: String
     let description: String
     let icon: String
 }
 
 // MARK: - City
-class City: Decodable {
+struct City: Decodable {
     let id: Int
     let name: String
     let coord: Coord
@@ -45,7 +45,7 @@ class City: Decodable {
 }
 
 // MARK: - Coord
-class Coord: Decodable {
+struct Coord: Decodable {
     let lat, lon: Double
 }
 
@@ -60,3 +60,9 @@ enum TempUnit: String {
     }
 }
 
+
+// MARK: - ImageURLType
+enum ImageURLType: String {
+    case path = "https://openweathermap.org/img/wn/"
+    case png = "@2x.png"
+}