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Currency.swift
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Currency.swift
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//
// ViewController.swift
// Calculator
//
// Created by Ibrahim Odumas on 5/20/17.
// Copyright © 2017 Ibrahim Odumas. All rights reserved.
//
import UIKit
import Foundation
class Currency: UIViewController
{
@IBOutlet var usdFinal: UITextField!
@IBOutlet var gbpFinal: UITextField!
@IBOutlet var eurFinal: UITextField!
@IBOutlet var cnyFinal: UITextField!
@IBOutlet var zarFinal: UITextField!
@IBOutlet var krwFinal: UITextField!
@IBOutlet var mxnFinal: UITextField!
@IBOutlet var jpyFinal: UITextField!
@IBOutlet var dateFinal: UILabel!
@IBAction func convert(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "USD", value: value)
}
@IBAction func convert_gbp(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "GBP", value: value)
}
@IBAction func convert_eur(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "EUR", value: value)
}
@IBAction func convert_cny(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "CNY", value: value)
}
@IBAction func convert_zar(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "ZAR", value: value)
}
@IBAction func convert_krw(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "KRW", value: value)
}
@IBAction func convert_mxn(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "MXN", value: value)
}
@IBAction func convert_jpy(_ sender: UITextField)
{
let value = Double(sender.text!) ?? 1
print(value)
converter(fromCur: "JPY", value: value)
}
func converter(fromCur: String, value: Double)
{
let link = "https://api.fixer.io/latest?symbols=USD,GBP,JPY,CNY,MXN,KRW,ZAR"
let url = URL(string: link)
var usdRate: Double = 0.0
var gbpRate: Double = 0.0
var jpyRate: Double = 0.0
var cnyRate: Double = 0.0
var mxnRate: Double = 0.0
var krwRate: Double = 0.0
var zarRate: Double = 0.0
var eur_Result: Double = 0.0
var usd_Result: Double = 0.0
var gbp_Result: Double = 0.0
var jpy_Result: Double = 0.0
var cny_Result: Double = 0.0
var mxn_Result: Double = 0.0
var krw_Result: Double = 0.0
var zar_Result: Double = 0.0
var date_Result: String = "yyyy-MM-dd"
let task = URLSession.shared.dataTask(with: url!)
{
data, response, error in
guard error == nil else {
print(error!)
return
}
guard let data = data else {
print("Data is empty")
return
}
//let json = try! JSONSerialization.jsonObject(with: data, options: [])
guard let json = try? JSONSerialization.jsonObject(with: data, options: []) else
{
DispatchQueue.main.async()
{
self.usdFinal.text = String(format: "%.4f", usd_Result)
self.eurFinal.text = String(format: "%.4f", eur_Result)
self.gbpFinal.text = String(format: "%.4f", gbp_Result)
self.cnyFinal.text = String(format: "%.4f", cny_Result)
self.jpyFinal.text = String(format: "%.4f", jpy_Result)
self.mxnFinal.text = String(format: "%.4f", mxn_Result)
self.krwFinal.text = String(format: "%.4f", krw_Result)
self.zarFinal.text = String(format: "%.4f", zar_Result)
self.dateFinal.text = date_Result
}
return
}
if let dictionary = json as? [String: Any]
{
if let conv = dictionary["date"] as? String
{
date_Result = conv
}
if let nestedDictionary = dictionary["rates"] as? [String: Any]
{
if let conv = nestedDictionary["USD"] as? Double
{
usdRate = conv
}
if let conv = nestedDictionary["GBP"] as? Double
{
gbpRate = conv
}
if let conv = nestedDictionary["JPY"] as? Double
{
jpyRate = conv
}
if let conv = nestedDictionary["CNY"] as? Double
{
cnyRate = conv
}
if let conv = nestedDictionary["MXN"] as? Double
{
mxnRate = conv
}
if let conv = nestedDictionary["KRW"] as? Double
{
krwRate = conv
}
if let conv = nestedDictionary["ZAR"] as? Double
{
zarRate = conv
}
switch fromCur
{
case "USD":
gbp_Result = value * gbpRate / usdRate
eur_Result = value / usdRate
usd_Result = value
jpy_Result = value * jpyRate / usdRate
cny_Result = value * cnyRate / usdRate
mxn_Result = value * mxnRate / usdRate
krw_Result = value * krwRate / usdRate
zar_Result = value * zarRate / usdRate
case "GBP":
gbp_Result = value
eur_Result = value / gbpRate
usd_Result = value * usdRate / gbpRate
jpy_Result = value * jpyRate / gbpRate
cny_Result = value * cnyRate / gbpRate
mxn_Result = value * mxnRate / gbpRate
krw_Result = value * krwRate / gbpRate
zar_Result = value * zarRate / gbpRate
case "EUR":
gbp_Result = value * gbpRate
eur_Result = value
usd_Result = value * usdRate
jpy_Result = value * jpyRate
cny_Result = value * cnyRate
mxn_Result = value * mxnRate
krw_Result = value * krwRate
zar_Result = value * zarRate
case "JPY":
gbp_Result = value * gbpRate / jpyRate
eur_Result = value / jpyRate
usd_Result = value * usdRate / jpyRate
jpy_Result = value
cny_Result = value * cnyRate / jpyRate
mxn_Result = value * mxnRate / jpyRate
krw_Result = value * krwRate / jpyRate
zar_Result = value * zarRate / jpyRate
case "CNY":
gbp_Result = value * gbpRate / cnyRate
eur_Result = value / cnyRate
usd_Result = value * usdRate / cnyRate
jpy_Result = value * jpyRate / cnyRate
cny_Result = value
mxn_Result = value * mxnRate / cnyRate
krw_Result = value * krwRate / cnyRate
zar_Result = value * zarRate / cnyRate
case "MXN":
gbp_Result = value * gbpRate / mxnRate
eur_Result = value / mxnRate
usd_Result = value * usdRate / mxnRate
jpy_Result = value * jpyRate / mxnRate
cny_Result = value * cnyRate / mxnRate
mxn_Result = value
krw_Result = value * krwRate / mxnRate
zar_Result = value * zarRate / mxnRate
case "KRW":
gbp_Result = value * gbpRate / krwRate
eur_Result = value / krwRate
usd_Result = value * usdRate / krwRate
jpy_Result = value * jpyRate / krwRate
cny_Result = value * cnyRate / krwRate
mxn_Result = value * mxnRate / krwRate
krw_Result = value
zar_Result = value * zarRate / krwRate
case "ZAR":
gbp_Result = value * gbpRate / zarRate
eur_Result = value / zarRate
usd_Result = value * usdRate / zarRate
jpy_Result = value * jpyRate / zarRate
cny_Result = value * cnyRate / zarRate
mxn_Result = value * mxnRate / zarRate
krw_Result = value * krwRate / zarRate
zar_Result = value
default: break
}
DispatchQueue.main.async()
{
self.usdFinal.text = String(format: "%.4f", usd_Result)
self.eurFinal.text = String(format: "%.4f", eur_Result)
self.gbpFinal.text = String(format: "%.4f", gbp_Result)
self.cnyFinal.text = String(format: "%.4f", cny_Result)
self.jpyFinal.text = String(format: "%.4f", jpy_Result)
self.mxnFinal.text = String(format: "%.4f", mxn_Result)
self.krwFinal.text = String(format: "%.4f", krw_Result)
self.zarFinal.text = String(format: "%.4f", zar_Result)
self.dateFinal.text = date_Result
}
}
}
}
task.resume()
}
override func viewDidLoad()
{
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
}
override func didReceiveMemoryWarning()
{
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}