Fetch license content via URL

Passepartout-iOS/Scenes/Organizer/CreditsViewController.swift

@@ -58,10 +58,17 @@ class CreditsViewController: UITableViewController, TableModelHost {
         guard let vc = segue.destination as? LabelViewController else {
             return
         }
-        guard let cell = sender as? SettingTableViewCell else {
+        guard let cell = sender as? SettingTableViewCell, let indexPath = tableView.indexPath(for: cell) else {
             return
         }
         vc.title = cell.leftText
+        switch model.row(at: indexPath) {
+        case .license:
+            vc.url = licenses[indexPath.row].url
+
+        case .notice:
+            vc.text = notices[indexPath.row].statement
+        }
     }
 }
 

Passepartout-iOS/Scenes/Organizer/LabelViewController.swift

@@ -32,6 +32,8 @@ class LabelViewController: UIViewController {
     
     var text: String?
     
+    var url: URL?
+
     override func awakeFromNib() {
         super.awakeFromNib()
 
@@ -41,7 +43,17 @@ class LabelViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        label?.text = text
+        if let url = url {
+            label?.text = nil
+            DispatchQueue(label: LabelViewController.description(), qos: .background).async { [weak self] in
+                let urlText = try? String(contentsOf: url)
+                DispatchQueue.main.async {
+                    self?.label?.text = urlText
+                }
+            }
+        } else {
+            label?.text = text
+        }
 
         scrollView?.applyPrimaryBackground(Theme.current)
         label?.applyLight(Theme.current)