Activity table successfully fetch and stored.

app/AppDelegate.swift

@@ -60,50 +60,65 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
 	// MARK: - Core Data stack
 	
-	//Check: Why is this here?
-
-	 /*lazy var persistentContainer: NSPersistentContainer = {
-		/*
-		 The persistent container for the application. This implementation
-		 creates and returns a container, having loaded the store for the
-		 application to it. This property is optional since there are legitimate
-		 error conditions that could cause the creation of the store to fail.
-		*/
-		let container = NSPersistentContainer(name: "app")
-		container.loadPersistentStores(completionHandler: { (storeDescription, error) in
-			if let error = error as NSError? {
-				// Replace this implementation with code to handle the error appropriately.
-				// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
-				 
-				/*
-				 Typical reasons for an error here include:
-				 * The parent directory does not exist, cannot be created, or disallows writing.
-				 * The persistent store is not accessible, due to permissions or data protection when the device is locked.
-				 * The device is out of space.
-				 * The store could not be migrated to the current model version.
-				 Check the error message to determine what the actual problem was.
-				 */
-				fatalError("Unresolved error \(error), \(error.userInfo)")
-			}
-		})
-		return container
+	lazy var applicationDocumentsDirectory: URL = {
+		// The directory the application uses to store the Core Data store file. This code uses a directory named "com.cadiridris.coreDataTemplate" in the application's documents Application Support directory.
+		let urls = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
+		return urls[urls.count-1]
 	}()
-
+	
+	lazy var managedObjectModel: NSManagedObjectModel = {
+		// The managed object model for the application. This property is not optional. It is a fatal error for the application not to be able to find and load its model.
+		let modelURL = Bundle.main.url(forResource: "app", withExtension: "momd")!
+		return NSManagedObjectModel(contentsOf: modelURL)!
+	}()
+	
+	lazy var persistentStoreCoordinator: NSPersistentStoreCoordinator = {
+		// The persistent store coordinator for the application. This implementation creates and returns a coordinator, having added the store for the application to it. This property is optional since there are legitimate error conditions that could cause the creation of the store to fail.
+		// Create the coordinator and store
+		let coordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedObjectModel)
+		let url = self.applicationDocumentsDirectory.appendingPathComponent("SingleViewCoreData.sqlite")
+		var failureReason = "There was an error creating or loading the application's saved data."
+		do {
+			try coordinator.addPersistentStore(ofType: NSSQLiteStoreType, configurationName: nil, at: url, options: nil)
+		} catch {
+			// Report any error we got.
+			var dict = [String: AnyObject]()
+			dict[NSLocalizedDescriptionKey] = "Failed to initialize the application's saved data" as AnyObject?
+			dict[NSLocalizedFailureReasonErrorKey] = failureReason as AnyObject?
+			
+			dict[NSUnderlyingErrorKey] = error as NSError
+			let wrappedError = NSError(domain: "YOUR_ERROR_DOMAIN", code: 9999, userInfo: dict)
+			// Replace this with code to handle the error appropriately.
+			// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+			NSLog("Unresolved error \(wrappedError), \(wrappedError.userInfo)")
+			abort()
+		}
+		
+		return coordinator
+	}()
+	
+	lazy var managedObjectContext: NSManagedObjectContext = {
+		// Returns the managed object context for the application (which is already bound to the persistent store coordinator for the application.) This property is optional since there are legitimate error conditions that could cause the creation of the context to fail.
+		let coordinator = self.persistentStoreCoordinator
+		var managedObjectContext = NSManagedObjectContext(concurrencyType: .mainQueueConcurrencyType)
+		managedObjectContext.persistentStoreCoordinator = coordinator
+		return managedObjectContext
+	}()
+	
 	// MARK: - Core Data Saving support
-
+	
 	func saveContext () {
-		let context = persistentContainer.viewContext
-		if context.hasChanges {
+		if managedObjectContext.hasChanges {
 			do {
-				try context.save()
+				try managedObjectContext.save()
 			} catch {
 				// Replace this implementation with code to handle the error appropriately.
-				// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
+				// abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
 				let nserror = error as NSError
-				fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
+				NSLog("Unresolved error \(nserror), \(nserror.userInfo)")
+				abort()
 			}
 		}
-	}*/
-
+	}
 }
 

app/Sync.swift

@@ -103,6 +103,28 @@ class Sync{
 			
 			//One by one, save the received data
 			self.saveTableActivity(entries : dataActivity)
+			
+			//TEST
+			let context = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)
+			let appDelegate = UIApplication.shared.delegate as! AppDelegate
+			context.persistentStoreCoordinator = appDelegate.persistentStoreCoordinator
+			let fetchRequest: NSFetchRequest<Activity> = Activity.fetchRequest()
+			
+			do {
+				//go get the results
+				let searchResults = try context.fetch(fetchRequest)
+				
+				//I like to check the size of the returned results!
+				print ("num of results = \(searchResults.count)")
+				
+				//You need to convert to NSManagedObject to use 'for' loops
+				for trans in searchResults as [NSManagedObject] {
+					//get the Key Value pairs (although there may be a better way to do that...
+					print("\(trans.value(forKey: "permalink"))")
+				}
+			} catch {
+				print("Error with request: \(error)")
+			}
 		}
 		
 		task.resume()
@@ -133,16 +155,33 @@ class Sync{
 	}
 	
 	func saveTableActivity(entries : [String]){
+		
+		
 				
 		let dateFormatter = DateFormatter()
 		dateFormatter.timeZone = TimeZone.ReferenceType.local
 		
-		let context = self.cnt //getContext()
+		//let context = self.cnt //getContext()
+		
+		//Set up context
+		let appDelegate = UIApplication.shared.delegate as! AppDelegate
+		let context = NSManagedObjectContext(concurrencyType: .privateQueueConcurrencyType)
+		context.persistentStoreCoordinator = appDelegate.persistentStoreCoordinator
+		
 		let entity =  NSEntityDescription.entity(forEntityName: "Activity", in: context)
 		
 		var transc: NSManagedObject
 		
-		//TODO: Delete all previous entries
+		//Delete all previous entries
+		let fetch = NSFetchRequest<NSFetchRequestResult>(entityName: "Activity")
+		let request = NSBatchDeleteRequest(fetchRequest: fetch)
+		do {
+			try context.execute(request)
+		} catch let error as NSError  {
+			print("Could not clean up Activity table: \(error), \(error.userInfo)")
+		} catch {
+			
+		}
 		
 		//Loop new entries
 		for entry in entries{

app/ViewController.swift

@@ -84,9 +84,7 @@ class ViewController: UIViewController, UICollectionViewDataSource, UICollection
 	
 	//Make a cell for each section
 	func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
-		
-		print("SET: \(selected)/\(indexPath.item)")
-		
+				
 		//Get a reference to our storyboard cell
 		let cell = collectionView.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath as IndexPath) as! MenuCollectionViewCell