BadgeAPI.swift

import Foundation
import SwiftyJSON

class BadgeAPI {
    
    public func main(function: Void -> Void) {
        dispatch_async(dispatch_get_main_queue(), function)
        
        let jsonURL = "http://www.khanacademy.org/api/v1/badges"
        
        if let url = NSURL(string: jsonURL) {
            if let data = try? NSData(contentsOfURL: url, options: []) {
                let json = JSON(data: data)
                
                fetchBadgeJSON(json)
            }
        }
    }
    
    public func background(function: Void -> Void) {
        dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), function)
    }
    
    public func fetchBadgeJSON(json: JSON)
    {
        var objects = [[String: String]]()

        for (_, result) in json {
            let title = result["description"].stringValue
            let smallIcon = result["icons"]["small"].stringValue
            let category = result["badge_category"].stringValue
            let points = result["points"].stringValue
            
            let obj = ["title": title, "icon": smallIcon, "category": category, "points": points]
            objects.append(obj)
        }
    }
}