Add wallpapper-exif application

Package.swift

@@ -4,10 +4,14 @@ import PackageDescription
 let package = Package(
     name: "wallpapper",
     products: [
-        .executable(name: "wallpapper", targets: ["wallpapper"]),
+        .library(name: "WallpapperLib", targets: ["WallpapperLib"]),
+        .executable(name: "wallpapper", targets: ["Wallpapper"]),
+        .executable(name: "wallpapper-exif", targets: ["WallpapperExif"])
     ],
     dependencies: [],
     targets: [
-        .target(name: "wallpapper", dependencies: [])
+        .target(name: "WallpapperLib", dependencies: []),
+        .target(name: "Wallpapper", dependencies: ["WallpapperLib"]),
+        .target(name: "WallpapperExif", dependencies: ["WallpapperLib"])
     ]
 )

Sources/wallpapper/Program.swift → Sources/Wallpapper/Program.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import WallpapperLib
 
 class Program {
 
@@ -62,8 +63,8 @@ class Program {
             self.consoleIO.writeMessage("Reading HEIC file: '\(fileURL.absoluteString)'...", to: .debug)
             let inputFileContents = try Data(contentsOf: fileURL)
 
-            let metadataExtractor = MetadataExtractor()
-            try metadataExtractor.extract(imageData: inputFileContents)
+            let dynamicWallpaperExtractor = DynamicWallpaperExtractor()
+            try dynamicWallpaperExtractor.extract(imageData: inputFileContents)
         } catch {
             self.consoleIO.writeMessage("Error occurs during metadata extraction: \(error)", to: .error)
             return false
@@ -134,7 +135,7 @@ class Program {
     }
 
     private func printVersion() {
-        self.consoleIO.writeMessage("1.6.0")
+        self.consoleIO.writeMessage("1.7.0")
     }
 
     private func printUsage() {

Sources/WallpapperExif/OptionType.swift

@@ -0,0 +1,23 @@
+//
+//  OptionType.swift
+//  wallpapper-exif
+//
+//  Created by Marcin Czachurski on 21/10/2021.
+//  Copyright © 2021 Marcin Czachurski. All rights reserved.
+//
+
+import Foundation
+
+enum OptionType: String {
+    case help = "-h"
+    case version = "-v"
+    case unknown
+
+    init(value: String) {
+        switch value {
+        case "-h": self = .help
+        case "-v": self = .version
+        default: self = .unknown
+        }
+    }
+}

Sources/WallpapperExif/Program.swift

@@ -0,0 +1,110 @@
+//
+//  Program.swift
+//  wallpapper-exif
+//
+//  Created by Marcin Czachurski on 21/10/2021.
+//  Copyright © 2021 Marcin Czachurski. All rights reserved.
+//
+
+import Foundation
+import WallpapperLib
+
+class Program {
+    let consoleIO = ConsoleIO()
+    var inputFileNames: [String] = []
+    var wallpapperItems: [WallpapperItem] = []
+
+    func run() throws -> Bool {
+
+        let (shouldBreak, resultCode) = self.proceedCommandLineArguments()
+        if shouldBreak {
+            return resultCode
+        }
+
+        for inputFileName in inputFileNames {
+            let fileURL = try getPathToInputFile(inputFileName: inputFileName)
+            let inputFileContents = try Data(contentsOf: fileURL)
+
+            let locationExtractor = LocationExtractor()
+            let imageLocation = try locationExtractor.extract(imageData: inputFileContents)
+
+            let sc = SunCalculations(date: imageLocation.createDate,
+                                     latitude: imageLocation.latitude,
+                                     longitude: imageLocation.longitude)
+
+            let position = sc.getSunPosition()
+
+            let wallpapperItem = WallpapperItem(fileName: inputFileName,
+                                                altitude: position.altitude,
+                                                azimuth: position.azimuth)
+
+            wallpapperItems.append(wallpapperItem)
+        }
+
+        let encoder = JSONEncoder()
+        encoder.outputFormatting = .prettyPrinted
+        let jsonData = try encoder.encode(wallpapperItems)
+        let jsonOptionslString = String(bytes: jsonData, encoding: .utf8)
+
+        guard let jsonString = jsonOptionslString else {
+            return false
+        }
+
+        self.consoleIO.writeMessage(jsonString, to: .standard)
+        return true
+    }
+
+    private func getPathToInputFile(inputFileName: String) throws -> URL {
+        return URL(fileURLWithPath: inputFileName)
+    }
+
+    private func proceedCommandLineArguments() -> (Bool, Bool) {
+        if CommandLine.arguments.count == 1 {
+            self.printUsage()
+            return (true, false)
+        }
+
+        var optionIndex = 1
+        while optionIndex < CommandLine.arguments.count {
+
+            let option = CommandLine.arguments[optionIndex]
+            let optionType = OptionType(value: option)
+
+            switch optionType {
+            case .help:
+                self.printUsage()
+                return (true, true)
+            case .version:
+                self.printVersion()
+                return (true, true)
+            default:
+                let fileName = CommandLine.arguments[optionIndex]
+                inputFileNames.append(fileName)
+                break;
+            }
+
+            optionIndex = optionIndex + 1
+        }
+
+        if self.inputFileNames.count == 0 {
+            self.consoleIO.writeMessage("unknown input file names.", to: .error)
+            return (true, false)
+        }
+
+        return (false, false)
+    }
+
+    private func printVersion() {
+        self.consoleIO.writeMessage("1.0.0")
+    }
+
+    private func printUsage() {
+
+        let executableName = (CommandLine.arguments[0] as NSString).lastPathComponent
+
+        self.consoleIO.writeMessage("\(executableName): [file1] [file2]")
+        self.consoleIO.writeMessage("Command options are:")
+        self.consoleIO.writeMessage(" -h\t\t\tshow this message and exit")
+        self.consoleIO.writeMessage(" -v\t\t\tshow program version and exit")
+    }
+}

Sources/WallpapperExif/main.swift

@@ -0,0 +1,14 @@
+//
+//  main.swift
+//  wallpapper-exif
+//
+//  Created by Marcin Czachurski on 21/10/2021.
+//  Copyright © 2021 Marcin Czachurski. All rights reserved.
+//
+
+import Foundation
+
+let program = Program()
+let result = try program.run()
+
+exit(result ? EXIT_SUCCESS : EXIT_FAILURE)

Sources/wallpapper/ConsoleOutput/ConsoleIO.swift → Sources/WallpapperLib/ConsoleOutput/ConsoleIO.swift

@@ -1,15 +1,19 @@
 //
 //  ConsoleIO.swift
-//  wallpapper
+//  WallpapperLib
 //
-//  Created by Marcin Czachurski on 03/07/2018.
-//  Copyright © 2018 Marcin Czachurski. All rights reserved.
+//  Created by Marcin Czachurski on 22/01/2021.
+//  Copyright © 2021 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class ConsoleIO {
-    func writeMessage(_ message: String, to: OutputType = .standard) {
+public class ConsoleIO {
+
+    public init() {
+    }
+
+    public func writeMessage(_ message: String, to: OutputType = .standard) {
         switch to {
         case .standard:
             print(message)

Sources/WallpapperLib/ConsoleOutput/OutputType.swift

@@ -0,0 +1,15 @@
+//
+//  OutputType.swift
+//  WallpapperLib
+//
+//  Created by Marcin Czachurski on 22/01/2021.
+//  Copyright © 2021 Marcin Czachurski. All rights reserved.
+//
+
+import Foundation
+
+public enum OutputType {
+    case error
+    case standard
+    case debug
+}

Sources/wallpapper/Errors/ImageMetadataGeneratorError.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Errors/ImageMetadataGeneratorError.swift

@@ -1,14 +1,14 @@
 //
 //  ImageMetadataGeneratorError.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 20/01/2021.
 //  Copyright © 2021 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-enum ImageMetadataGeneratorError: Error {
+public enum ImageMetadataGeneratorError: Error {
     case addTagIntoImageFailed
     case imageNotFinalized
     case namespaceNotRegistered

Sources/wallpapper/ImageMetadataGenerator.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/ImageMetadataGenerator.swift

@@ -1,14 +1,14 @@
 //
-//  ImageMetadata.swift
-//  wallpapper
+//  ImageMetadataGenerator.swift
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 10/05/2020.
 //  Copyright © 2020 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class ImageMetadataGenerator {
+public class ImageMetadataGenerator {
     private let pictureInfos: [PictureInfo]
 
     public lazy var images: [String] = {

Sources/wallpapper/PropertyList/Apperance.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Models/Apperance.swift

@@ -1,14 +1,14 @@
 //
 //  Apperance.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 31/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class Apperance: Codable {
+public class Apperance: Codable {
     enum CodingKeys: String, CodingKey {
         case darkIndex = "d"
         case lightIndex = "l"

Sources/wallpapper/Model/PictureInfo.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Models/PictureInfo.swift

@@ -1,14 +1,14 @@
 //
 //  PictureInfo.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 02/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-struct PictureInfo: Decodable {
+public struct PictureInfo: Decodable {
     var fileName: String
     var isPrimary: Bool?
     var isForLight: Bool?

Sources/wallpapper/PropertyList/SequenceInfo.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Models/SequenceInfo.swift

@@ -1,14 +1,14 @@
 //
 //  SequenceInfo.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 03/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class SequenceInfo : Codable {
+public class SequenceInfo : Codable {
     enum CodingKeys: String, CodingKey {
         case sequenceItems = "si"
         case timeItems = "ti"

Sources/wallpapper/PropertyList/SequenceItem.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Models/SequenceItem.swift

@@ -1,14 +1,14 @@
 //
 //  SequenceItem.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 03/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class SequenceItem : Codable {
+public class SequenceItem : Codable {
     enum CodingKeys: String, CodingKey {
         case altitude = "a"
         case azimuth = "z"

Sources/wallpapper/PropertyList/TimeInfo.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/Models/TimeInfo.swift

@@ -1,14 +1,14 @@
 //
 //  TimeItem.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 01/07/2019.
 //  Copyright © 2019 Marcin Czachurski. All rights reserved.
 //
 
 import Foundation
 
-class TimeItem : Codable {
+public class TimeItem : Codable {
     enum CodingKeys: String, CodingKey {
         case time = "t"
         case imageIndex = "i"

Sources/wallpapper/WallpaperGenerator.swift → Sources/WallpapperLib/DynamicWallpaperGenerator/WallpaperGenerator.swift

@@ -1,6 +1,6 @@
 //
-//  Generator.swift
-//  wallpapper
+//  WallpaperGenerator.swift
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 02/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.
@@ -10,7 +10,10 @@ import Foundation
 import AppKit
 import AVFoundation
 
-class WallpaperGenerator {
+public class WallpaperGenerator {
+
+    public init() {
+    }
 
     public func generate(pictureInfos: [PictureInfo], baseURL: URL, outputFileName: String) throws {
         let consoleIO = ConsoleIO()

Sources/wallpapper/Extensions/NSImage.swift → Sources/WallpapperLib/Extensions/NSImage.swift

@@ -1,6 +1,6 @@
 //
 //  NSImage.swift
-//  wallpapper
+//  WallpapperLib
 //
 //  Created by Marcin Czachurski on 11/07/2018.
 //  Copyright © 2018 Marcin Czachurski. All rights reserved.