Add files via upload

Author: PrashantKT

OfflineManager.swift

@@ -0,0 +1,87 @@
+//
+//  OfflineManager.swift
+//  ARApp
+//
+//  Created by Prashant on 01/05/18.
+//  Copyright © 2018 Prashant. All rights reserved.
+//
+
+import UIKit
+
+class OfflineManager: NSObject {
+
+    static let sharedManager = OfflineManager()
+    let LocalServiceCacheDownloadDir        = "LocalData"
+
+    enum WSCacheKeys {
+        case CampignList
+        case CampignDetail(id:String)
+        case ScreenShotList
+
+        var value:String {
+            switch self {
+            case .CampignList:
+              return  "CampignList"
+            case .CampignDetail(let id):
+                return id
+            case .ScreenShotList :
+                return "ScreenShotList"
+            }
+            
+        }
+    }
+    
+    func getBaseForCacheLocal(with fileName:String) -> String? {
+        
+        let filePath = FileManager.default.getDocumentPath(forItemName: self.LocalServiceCacheDownloadDir)
+        if FileManager.default.directoryExists(atPath: filePath) {
+            return filePath.stringByAppendingPathComponent(fileName)
+        } else {
+            if  FileManager.default.createDirectory(withFolderName: self.LocalServiceCacheDownloadDir) {
+                return filePath.stringByAppendingPathComponent(fileName)
+            }
+        }
+        return nil
+    }
+    
+    
+    
+    //------------------------------------------------------------
+    
+    @discardableResult
+    func cacheDataToLocal<T>(with Object:T,to key:WSCacheKeys) -> Bool {
+        let success = NSKeyedArchiver.archiveRootObject(Object, toFile: getBaseForCacheLocal(with: key.value)!)
+        if success {
+            print( "Local Data Cached\(String(describing: getBaseForCacheLocal(with: key.value)))")
+        } else {
+            print("Error")
+        }
+        
+        return success
+        
+    }
+    
+    //------------------------------------------------------------
+    
+    func loadCachedDataFromLocal<T>(with key:WSCacheKeys ) -> T? {
+        return NSKeyedUnarchiver.unarchiveObject(withFile: getBaseForCacheLocal(with: key.value)!) as? T
+    }
+    
+    
+    //------------------------------------------------------------
+    
+
+    func removeAllCacheDirs () {
+        do {
+            try FileManager.default.removeItem(atPath: self.getBaseForCacheLocal(with: "")!)
+            
+        } catch {
+            print("error in remove dir \(error.localizedDescription)")
+        }
+        
+    }
+    
+    //--------------------------------------------------------------------------------
+
+    
+}