Add project files.

CarManagerV2/SafeManager.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+
+namespace CarManagerV2
+{
+    internal class SafeManager
+    {
+        public static void initializeFile(string path)
+        {
+            if (!File.Exists(@path))
+            {
+                using (StreamWriter writer = new StreamWriter(@path))
+                {
+                    // Create the file, empty
+                    writer.WriteLine();
+                }
+            }
+        }
+
+        public static List<Car> readCars(string path)
+        {
+            List<Car> cars = new List<Car>();
+            using (StreamReader reader = new StreamReader(@path))
+            {
+                string line;
+                while ((line = reader.ReadLine()) != null)
+                {
+                    // Process the line
+                    if (line == "") continue;
+                    cars.Add(Car.fromCsvString(line));
+                }
+            }
+            return cars;
+        }
+
+        public static void saveCars(string path, List<Car> cars)
+        {
+            using (StreamWriter writer = new StreamWriter(@path))
+            {
+                foreach (Car car in cars)
+                {
+                    writer.WriteLine(car.toCsvString());
+                }
+            }
+        }
+    }
+}