--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GeoQuiz/Logic/FileController.swift	Sun Oct 23 00:11:38 2022 +0100
@@ -0,0 +1,32 @@
+//
+//  FileController.swift
+//  GeoQuiz
+//
+//  Created by Dennis Concepción Martín on 7/9/22.
+//
+
+import Foundation
+
+class FileController {
+    static func load<T: Decodable>(_ filename: String) -> T {
+        let data: Data
+        
+        guard let file = Bundle.main.url(forResource: filename, withExtension: nil)
+        else {
+            fatalError("Couldn't find \(filename) in main bundle.")
+        }
+        
+        do {
+            data = try Data(contentsOf: file)
+        } catch {
+            fatalError("Couldn't load \(filename) from main bundle:\n\(error)")
+        }
+        
+        do {
+            let decoder = JSONDecoder()
+            return try decoder.decode(T.self, from: data)
+        } catch {
+            fatalError("Couldn't parse \(filename) as \(T.self):\n\(error)")
+        }
+    }
+}