The second phase of our Advanced Xcode workshop

AdvancedXcodeWorkshop-PhotoApp-2.swift

import UIKit

let urlString = "https://api.nasa.gov/planetary/apod"
var urlComponents = URLComponents(string: urlString)!

urlComponents.queryItems = [
    "api_key": "DEMO_KEY",
    "date": "2022-04-11"
].map { URLQueryItem(name: $0.key, value: $0.value) }

Task {
    let (data, response) = try await URLSession.shared.data(from: urlComponents.url!)
    let jsonDecoder = JSONDecoder()
    if let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode == 200, let photoInfo = try? jsonDecoder.decode(PhotoInfo.self, from: data) {
        print(photoInfo)
    }
}

struct PhotoInfo: Codable {
    var title: String
    var description: String
    var url: URL
    var copyright: String?
    
    enum CodingKeys: String, CodingKey {
        case title
        case description = "explanation"
        case url
        case copyright
    }
}