farhan-syed

extension UIImage {
  func calcImageRatio() -> CGFloat {
  let imageRatio = CGFloat(self.size.width / self.size.height)
  return imageRatio
  }
}

override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
  let currentImage = images[indexPath.row]
  let imageRatio = currentImage.calcImageRatio()

farhan-syed

    func fetchPosts(){
        
        Alamofire.request("https://jsonplaceholder.typicode.com/posts", method: .get, parameters: nil)
            .validate(statusCode: 200..<300).responseJSON { response in
                
                
                guard response.result.error == nil else {
                    print("error calliing on /posts")
                    return
                }

farhan-syed

genericFetch(urlString: "https://jsonplaceholder.typicode.com/comments") { (comments: [Comment]) in
    print(comments.forEach({print("\n postId: \($0.postId)\n id: \($0.id)\n name: \($0.name)\n email:\($0.email) body: \($0.body)\n\n")}))
}

farhan-syed

struct Comment: Decodable {
    var postId: Int
    var id: Int
    var name: String
    var email: String
    var body: String
}

farhan-syed

genericFetch(urlString: "https://jsonplaceholder.typicode.com/posts") { (posts: [Post]) in
    print(posts.forEach({print("title: \($0.title)\n body:\($0.body)\n\n")}))
}

farhan-syed

func genericFetch<T: Decodable>(urlString: String, completion: @escaping (T) -> ()) {

  Alamofire.request(urlString, method: .get).validate(statusCode: 200..<300).response { response in

    guard response.error == nil else {
        print("error calliing on \(urlString)")
        return
    }

    guard let data = response.data else {

farhan-syed

struct Post: Decodable {
    var userId: Int
    var id: Int
    var title: String
    var body: String
}

farhan-syed

Post title: This is a POST request

farhan-syed

let postsURLEndPoint: String = "https://jsonplaceholder.typicode.com/posts"
let newPost: [String: Any] = ["userId" : 12345, "title": "This is a POST request", "Body": "This reqeust is sent with Alamofire"]
Alamofire.request(postsURLEndPoint, method: .post, parameters: newPost,
                  encoding: JSONEncoding.default)
    .responseJSON { response in
        guard response.result.error == nil else {
            // got an error in getting the data, need to handle it
            print("error")
            print(response.result.error!)
            return

farhan-syed

body: quia et suscipit
suscipit recusandae consequuntur expedita et cum
reprehenderit molestiae ut ut quas totam
nostrum rerum est autem sunt rem eveniet architecto