100 lines
2.8 KiB
Swift
100 lines
2.8 KiB
Swift
import UIKit
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import CryptoSwift
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final class FriendsViewController: UITableViewController {
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var friends: [User] = []
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var imageCache = NSCache<NSString, UIImage>()
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init() {
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super.init(style: .grouped)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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title = "BSM ZADANIE"
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let reuseIdentifier = String(describing: FriendCell.self)
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tableView.register(
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UINib(nibName: reuseIdentifier, bundle: nil),
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forCellReuseIdentifier: reuseIdentifier
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)
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navigationItem.leftBarButtonItem = UIBarButtonItem(
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title: "Wyloguj się",
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style: .plain,
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target: self,
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action: #selector(signOut)
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)
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friends = [
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User(name: "Bob Appleseed", email: "ryha26+bob@gmail.com")
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]
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}
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// MARK: - Actions
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@objc private func signOut() {
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try? AuthController.signOut()
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}
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override func numberOfSections(in tableView: UITableView) -> Int {
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return friends.isEmpty ? 1 : 2
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return section == 0 ? 1 : friends.count
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}
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override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
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return 64
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}
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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return section == 0 ? "Me" : "Friends"
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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guard let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: FriendCell.self)) as? FriendCell else {
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fatalError()
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}
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let user = indexPath.section == 0 ? Settings.currentUser! : friends[indexPath.row]
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cell.nameLabel.text = user.name
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if let image = imageCache.object(forKey: user.email as NSString) {
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cell.avatarImageView.image = image
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} else {
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let emailHash = user.email.trimmingCharacters(in: .whitespacesAndNewlines)
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.lowercased()
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.md5()
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if let url = URL(string: "https://www.gravatar.com/avatar/" + emailHash) {
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URLSession.shared.dataTask(with: url) { data, response, error in
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guard let data = data, let image = UIImage(data: data) else {
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return
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}
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self.imageCache.setObject(image, forKey: user.email as NSString)
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DispatchQueue.main.async {
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self.tableView.reloadRows(at: [indexPath], with: .automatic)
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}
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}.resume()
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}
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}
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return cell
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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tableView.deselectRow(at: indexPath, animated: true)
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}
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}
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