added iOS source code

[wl-app.git] / iOS / WolneLektury / Extensions / NSObject+Ext.swift

diff --git a/iOS/WolneLektury/Extensions/NSObject+Ext.swift b/iOS/WolneLektury/Extensions/NSObject+Ext.swift
new file mode 100644 (file)
index 0000000..8e1be95
--- /dev/null
+++ b/iOS/WolneLektury/Extensions/NSObject+Ext.swift
@@ -0,0 +1,39 @@
+//
+//  NSObject+Ext.swift
+//  WolneLektury
+//
+//  Created by Pawel Dabrowski on 30/05/2018.
+//  Copyright © 2018 Fundacja Nowoczesna Polska. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+extension NSObject
+{
+    var appDelegate:AppDelegate {
+        return UIApplication.shared.delegate as! AppDelegate
+    }
+    
+    func ebookExists(bookSlug: String) -> Bool {
+        let path = FileType.ebook.pathForFileName(filename: bookSlug, bookSlug: bookSlug)
+        print(path)
+        return FileManager.default.fileExists(atPath: path)
+    }
+    
+    static func audiobookExists(audioBookUrlString: String, bookSlug: String) -> Bool {
+        let fileName = (audioBookUrlString as NSString).lastPathComponent
+        return FileManager.default.fileExists(atPath: FileType.audiobook.pathForFileName(filename: fileName, bookSlug: bookSlug))
+    }
+    
+    static func audiobookPathIfExists(audioBookUrlString: String, bookSlug: String) -> URL? {
+        let fileName = (audioBookUrlString as NSString).lastPathComponent
+        let path = FileType.audiobook.pathForFileName(filename: fileName, bookSlug: bookSlug)
+        
+        if FileManager.default.fileExists(atPath: path) {
+            return URL(fileURLWithPath: path)
+        }
+        return nil
+    }
+
+}