allgamesallfree

//A few basic UIColor's
let red = UIColor(red: 255/255, green: 0, blue: 0, alpha: 1.0)
let darkGrey = UIColor(red: 100/255, green: 100/255, blue: 100/255, alpha: 1.0)
let cyan = UIColor(red: 0, green: 255/255, blue: 255/255, alpha: 1.0)

allgamesallfree

import UIKit
extension UIColor {  

  convenience init(r: Int, g: Int, b: Int, alpha: CGFloat) {
    let red = CGFloat(r)/255
    let green = CGFloat(g)/255
    let blue = CGFloat(b)/255
    
    self.init(red: red, green: green, blue: blue, alpha: alpha)
  }

allgamesallfree

let red = UIColor(r: 255, g: 0, b: 0, alpha: 1.0)
let darkGrey = UIColor(r: 100, g: 100, b: 100, alpha: 1.0)
let cyan = UIColor(r: 0, g: 255, b: 255, alpha: 1.0)

allgamesallfree

convenience init(r: Int, g: Int, b: Int, alpha: CGFloat = 1.0) {
  let red = CGFloat(r)/255
  let green = CGFloat(g)/255
  let blue = CGFloat(b)/255
  
  self.init(red: red, green: green, blue: blue, alpha: alpha)
}

allgamesallfree

convenience init(r: Int, g: Int, b: Int, alpha: CGFloat = 1.0) {
  func intToColorFloat(int: Int) -> CGFloat {
    let divisor: CGFloat = 255
    return CGFloat(int) / divisor
  }
  
  self.init(red: intToColorFloat(r), green: intToColorFloat(g), blue: intToColorFloat(b), alpha: alpha)
}

allgamesallfree

let red = UIColor(r: 255, g: 0, b: 0)
let darkGrey = UIColor(r: 100, g: 100, b: 100)
let cyan = UIColor(r: 0, g: 255, b: 255)

allgamesallfree

private func makeValueGETRequest(url: URL, completion: @escaping (_ value: NSNumber?) -> Void) {
    let request = URLSession.shared.dataTask(with: url) { (data, response, error) in
      // TODO: Get the data and return it
    }
    request.resume()
}

allgamesallfree

let apiURL = URL(string: "https://min-api.cryptocompare.com/data/pricehistorical?fsym=ETH&tsyms=USD")

allgamesallfree

guard let data = data, error == nil else {
    completion(nil)
    print(error?.localizedDescription ?? "")
    return
}

allgamesallfree

do {
    guard let json = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any],
        let value = json["USD"] as? NSNumber else {
            completion(nil)
            return
    }
    completion(value)
} catch {
    completion(nil)
    print(error.localizedDescription)