gistfile1.swift

import Foundation
import UIKit

class FriendsViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
    var user: NDUser
    var friends: [NDUser]
    var fetchCompleted: Bool
    
    lazy var tableView: UITableView = {
        let tableView = UITableView()
        tableView.delegate = self
        tableView.dataSource = self
        tableView.separatorInset = UIEdgeInsetsMake(0, 60, 0, 0)
        tableView.tableFooterView = UIView(frame: CGRectZero)
        tableView.registerClass(NDLoadingCell.self, forCellReuseIdentifier: "loadingCell")
        tableView.registerClass(NDNoFriendsTableViewCell.self, forCellReuseIdentifier: "notFriendsCell")
        tableView.registerClass(NDUserCell.self, forCellReuseIdentifier: "userCell")
        tableView.reloadData()
        return tableView
        }()
    
    init(user: NDUser) {
        self.user = user
        self.friends = []
        self.fetchCompleted = false
        
        super.init(nibName: nil, bundle: nil)
    }
    
    // MARK: View lifecycle methods
    
    override func viewDidLoad()  {
        super.viewDidLoad()
        
        self.title = "Friends"
        self.view.backgroundColor = UIColor.whiteColor()
        self.navigationController.navigationItem.backBarButtonItem = UIBarButtonItem(title: "", style: .Plain, target: nil, action: nil)
        
        self.view.addSubview(tableView)
        
        fetchFriends()
    }
    
    override func viewWillAppear(animated: Bool) {
        super.viewWillAppear(animated)
        
        self.tableView.reloadData()
    }
    
    func fetchFriends() {
        user.getUserFriendsWithSuccess({ (objects: [AnyObject]!) in
            self.friends = objects as [NDUser]
            self.tableView.reloadData()
        }, failure: { (NSURLSessionDataTask, error: NSError!) in
            println(error)
        })
    }
    
    // MARK: UITableViewDataSource methods
    
    func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
        return friends.count
    }
    
    func tableView(tableView: UITableView!, cellForRowAtIndexPath indexPath: NSIndexPath!) -> UITableViewCell! {
        let cell = tableView!.dequeueReusableCellWithIdentifier("userCell", forIndexPath: indexPath!) as NDUserCell
        cell.user = friends[indexPath.row]
        println(cell.user)
        return cell
    }
}