groue

func setupDatabase() {
    // That "collation" helps us compare person names in a localized case insensitive fashion
    let collation = DatabaseCollation.localizedCaseInsensitiveCompare
    
    try! dbQueue.execute(
        "CREATE TABLE persons (" +
            "id INTEGER PRIMARY KEY, " +
            "name TEXT NOT NULL COLLATE \(collation.name), " +
            "score INTEGER NOT NULL " +
        ")")

groue

// MARK: - FetchedRecordsControllerDelegate

extension PersonsViewController : FetchedRecordsControllerDelegate {
    
    func controllerWillChangeRecords<T>(controller: FetchedRecordsController<T>) {
        tableView.beginUpdates()
    }
    
    func controller<T>(controller: FetchedRecordsController<T>, didChangeRecord record: T, withEvent event:FetchedRecordsEvent) {
        switch event {

groue

    override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
        // Delete the person
        let person = personsController.recordAtIndexPath(indexPath)
        try! person.delete(dbQueue)
    }

groue

import UIKit

class PersonEditionViewController: UITableViewController {
    var person: Person!

    @IBOutlet private weak var nameCell: UITableViewCell!
    @IBOutlet private weak var nameTextField: UITextField!
    @IBOutlet private weak var scoreCell: UITableViewCell!
    @IBOutlet private weak var scoreTextField: UITextField!
    

groue

// MARK: - Form

extension PersonEditionViewController: UITextFieldDelegate {
    
    override func viewWillAppear(animated: Bool) {
        super.viewWillAppear(animated)
        nameTextField.becomeFirstResponder()
    }
    
    override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {

groue

extension PersonEditionViewController {
    func applyChanges() {
        person.name = nameTextField.text
        person.score = scoreTextField.text.flatMap { Int($0) } ?? 0
    }
}

groue

// MARK: - Navigation

extension PersonsViewController {
    
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        if segue.identifier == "NewPerson" {
            let navigationController = segue.destinationViewController as! UINavigationController
            let controller = navigationController.viewControllers.first as! PersonEditionViewController
            controller.title = "New Person"
            controller.person = Person(name: "", score: 0)

groue

class PersonsViewController: UITableViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Configure the navigation bar
        navigationItem.rightBarButtonItems = [
            UIBarButtonItem(
                barButtonSystemItem: .Add,
                target: self,
                action: #selector(PersonsViewController.addPerson(_:))),

groue

/// A ReadWriteBox grants multiple readers and single-writer guarantees on a value.
final class ReadWriteBox<T> {
    var value: T {
        get { return read { $0 } }
        set { write { $0 = newValue } }
    }
    
    init(_ value: T) {
        self._value = value
        self.queue = DispatchQueue(label: "ReadWriteBox", attributes: [.concurrent])

groue

Keybase proof

I hereby claim:

• I am groue on github.
• I am groue (https://keybase.io/groue) on keybase.
• I have a public key whose fingerprint is EDC5 4AA4 0D3A 475A DB0E 78B4 2A35 40DD A1C7 3F08

To claim this, I am signing this object: