Download eggs to file system and inform delegate

card10badge/Hatchery/HatcheryClient.swift

@@ -11,6 +11,8 @@ import SWCompression
 
 protocol HatcheryClientDelegate: class {
     func didRefreshListOfEggs()
+    func didDownloadEggToPath(_ path: URL)
+    func didFailToDownloadEgg()
 }
 
 class HatcheryClient: NSObject, URLSessionDelegate {
@@ -127,17 +129,38 @@ class HatcheryClient: NSObject, URLSessionDelegate {
     
     private func unpackEgg(_ localFile: URL) {
         let data = try? Data.init(contentsOf: localFile)
-        let unpackUrl = FileManager.default.temporaryDirectory
+        let unpackUrl = FileManager.default.temporaryDirectory.appendingPathComponent("downloaded_eggs")
         do {
             let decompressedTarData = try GzipArchive.unarchive(archive: data!)
             let unpackedTar = try TarContainer.open(container: decompressedTarData)
+            
+            var createdFileCount: Int = 0
+            var folderNameForEgg: String?
+            
             for tarEntry in unpackedTar {
                 let fileName = unpackUrl.appendingPathComponent(tarEntry.info.name)
                 let data = tarEntry.data
-                //TODO: Upload files to card10 or safe?
+                if folderNameForEgg == nil {
+                    folderNameForEgg = fileName.deletingLastPathComponent().path // Kind of betting on that there are no subfolders
+                }
+                try FileManager.default.createDirectory(at: fileName.deletingLastPathComponent(), withIntermediateDirectories: true, attributes: nil)
+                if (FileManager.default.createFile(atPath: fileName.path, contents: data, attributes: nil)) {
+                    createdFileCount += 1 //Increment so we know if we wrote all the files
+                } else {
+                    print("Failed to write file to path ",fileName)
+                }
             }
+            
+            if createdFileCount == unpackedTar.count {
+                //Success, we downloaded and stored all the files
+                delegate?.didDownloadEggToPath(URL(string: folderNameForEgg!) ?? unpackUrl)
+            } else {
+                delegate?.didFailToDownloadEgg()
+            }
+            
         } catch let error {
             print(error)
+            delegate?.didFailToDownloadEgg()
         }
         
     }

card10badge/Hatchery/HatcheryDetailViewController.swift

@@ -44,7 +44,16 @@ class HatcheryDetailViewController: UIViewController,HatcheryClientDelegate {
     
     func didRefreshListOfEggs() {}
     
+    func didDownloadEggToPath(_ path: URL) {
+        //TODO: Call BluetoothManager to upload? Just tell the user and they do it Control?
+    }
     
+    func didFailToDownloadEgg() {
+        let failedAlert = UIAlertController(title: "Error", message: "Failed to download egg", preferredStyle: .alert)
+        
+        failedAlert.addAction(UIAlertAction.init(title: "OK", style: .default, handler: nil))
+        self.present(failedAlert, animated: true)
+    }
     
 
 }

card10badge/Hatchery/HatcheryRootTableViewController.swift

@@ -77,5 +77,9 @@ class HatcheryRootTableViewController: UITableViewController,HatcheryClientDeleg
     @IBAction func refreshEggs(sender:UIRefreshControl) {
         self.client?.updateListOfHatcheryEggs()
     }
+    
+    func didDownloadEggToPath(_ path: URL) {}
+    
+    func didFailToDownloadEgg() {}
 
 }