[Add] Implementation of Repository class

LangLang/Core/Repository/Repository.cs

@@ -0,0 +1,43 @@
+using LangLang.Core.Repository.Serialization;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LangLang.Core.Repository
+{
+    public class Repository<T> where T : ISerializable, new()
+    {
+        private readonly string _fileName = @"../../../../LangLang/Data/{0}";
+        private readonly Serializer<T> _serializer = new Serializer<T>();
+
+        public Repository(string fileName)
+        {
+            _fileName = string.Format(_fileName, fileName);
+        }
+        public List<T> Load()
+        {
+            if (!File.Exists(_fileName))
+            {
+                FileStream fs = File.Create(_fileName);
+                fs.Close();
+            }
+
+            IEnumerable<string> lines = File.ReadLines(_fileName);
+            List<T> objects = _serializer.FromCSV(lines);
+
+            return objects;
+        }
+
+        public void Save(List<T> objects)
+        {
+            string serializedObjects = _serializer.ToCSV(objects);
+            using (StreamWriter streamWriter = new StreamWriter(_fileName))
+            {
+                streamWriter.Write(serializedObjects);
+            }
+        }
+    }
+}