Moya - Sample

moya.swift

GitHubProvider.request(.UserRepositories(username), completion: { result in

            var success = true
            var message = "Unable to fetch from GitHub"
            
            switch result {
            case let .Success(response):
                do {
                    let json: NSArray? = try response.mapJSON() as? NSArray
                    if let json = json {
                        // Presumably, you'd parse the JSON into a model object. This is just a demo, so we'll keep it as-is.
                        self.repos = json
                    } else {
                        success = false
                    }
                } catch {
                    success = false
                }
                self.tableView.reloadData()
            case let .Failure(error):
                guard let error = error as? CustomStringConvertible else {
                    break
                }
                message = error.description
                success = false
            }
            
            if !success {
                let alertController = UIAlertController(title: "GitHub Fetch", message: message, preferredStyle: .Alert)
                let ok = UIAlertAction(title: "OK", style: .Default, handler: { (action) -> Void in
                    alertController.dismissViewControllerAnimated(true, completion: nil)
                })
                alertController.addAction(ok)
                self.presentViewController(alertController, animated: true, completion: nil)
            }
        })