Partially added icloud support for console logo. Added iCloud utilities and tests

Zockerhoehle/ICloudManager.swift

@@ -0,0 +1,48 @@
+//
+//  ICloudDriveManager.swift
+//  Zockerhoehle
+//
+//  Created by Julian-Steffen Müller on 18.05.21.
+//  Copyright © 2021 Julian-Steffen Müller. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+class ICloudManager {
+    static let shared : ICloudManager = ICloudManager();
+    
+    static let relative_seperator : [String] = ["iCloud~Zockerhoehle", "Documents"]
+    
+    static public func relativePathFrom(url : URL) -> String? {
+        return url.relative_path_after(pathComponent: relative_seperator) ?? .none
+    }
+    
+    static public func fileExists(at path : String?) -> Bool {
+        guard let path = path else { return false }
+        
+        if let url = FileManager.default.url(forUbiquityContainerIdentifier: nil)?.appendingPathComponent("Documents").appendingPathComponent(path) {
+            return FileManager.default.fileExists(atPath: url.path)
+        }
+        
+        return false;
+    }
+    
+    static public func imageFrom(path : String?) -> UIImage? {
+        guard let path = path else { return .none }
+        
+        do {
+            let url = FileManager.default.url(forUbiquityContainerIdentifier: nil)?.appendingPathComponent("Documents").appendingPathComponent(path)
+            let imageData = try Data(contentsOf: url!)
+            
+            return UIImage(data: imageData)!
+        }catch {
+            return .none
+        }
+        
+    }
+    
+    private init() {
+        
+    }
+}