Add a controler for "User" (add and authenticate)

Back/skydiveLogs-api.Data/UserRepository.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using LiteDB;
+
+using skydiveLogs_api.Data.Interface;
+using skydiveLogs_api.Model;
+
+
+namespace skydiveLogs_api.Data
+{
+    public class UserRepository : IUserRepository
+    {
+        public UserRepository(IDataProvider dataProvider)
+        {
+            _dataProvider = dataProvider;
+            _col = _dataProvider.CollOfUser;
+        }
+
+        public User GetByLogin(string login, string password)
+        {
+            return _col.FindOne(u => u.Login == login && u.Password == password);
+        }
+
+        public bool Add(User newUser)
+        {
+            var result = true;
+
+            try
+            {
+                _col.Insert(newUser);
+            }
+            catch
+            {
+                result = false;
+            }
+
+            return result;
+        }
+
+        public IEnumerable<User> GetAll()
+        {
+            throw new NotImplementedException();
+        }
+
+        public User GetById(int id)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Update(User updated)
+        {
+            throw new NotImplementedException();
+        }
+
+        private readonly IDataProvider _dataProvider;
+
+        private readonly ILiteCollection<User> _col;
+    }
+}