allgamesallfree

func fetch() {
    // requestSampleJSON()
}

allgamesallfree

override func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
    let dateFormatter = DateFormatter()
    dateFormatter.dateStyle = .long
    dateFormatter.timeStyle = .medium
    let date = Date()
    let dateString = dateFormatter.string(from: date)
    return "Updated on " + dateString
}

allgamesallfree

override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
    return "Cryptocurrency Prices"
}

allgamesallfree

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let tableViewCell = tableView.dequeueReusableCell(withIdentifier: reuseIdentifier, for: indexPath)

    if let cryptoTableViewCell = tableViewCell as? CryptoTableViewCell {
        let currencyType = currencies[indexPath.row]
        cryptoTableViewCell.formatCell(withCurrencyType: currencyType)
    }
    return tableViewCell
}

allgamesallfree

    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return currencies.count
    }

allgamesallfree

    let currencies: [CurrencyType] = [.btc, .eth, .ltc, .xrp, .xmr, .neo]
    let reuseIdentifier = String(describing: CryptoTableViewCell.self)

allgamesallfree

func formatCell(withCurrencyType currencyType: CurrencyType) {
    currencyName.text = currencyType.name
    currencyImageView.image = currencyType.image

    currencyType.requestValue { (value) in
        DispatchQueue.main.async {
            self.currencyPrice.text = value?.formattedCurrencyString ?? "Failed to get price"
        }
    }

allgamesallfree

private extension NSNumber {
    
    var formattedCurrencyString: String? {
        let formatter = NumberFormatter()
        formatter.locale = Locale(identifier: "en_US")
        formatter.numberStyle = .currency
        return formatter.string(from: self)
    }
    
}

allgamesallfree

let request = URLSession.shared.dataTask(with: apiURL) { (data, response, error) in
    // TODO: Get the data and return it
}
request.resume()

allgamesallfree

func requestValue(completion: @escaping (_ value: NSNumber?) -> Void) {
    guard let apiURL = apiURL else {
        // If we couldn't serialize the JSON set the value in the completion as nil and print the error
        completion(nil)
        print("URL Invalid")
        return
    }
}