Refactoring - split data, logic and model layers; custom network exception

StudentHouseDashboard/Models/User.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+
+namespace Models
+{
+    public class User
+    {
+        private int id;
+        private string name;
+        private string password;
+        private UserRole role;
+
+        public User(int id, string name, string password, UserRole role)
+        {
+            ID = id;
+            Name = name;
+            Password = password;
+            Role = role;
+        }
+        public User()
+        {
+            
+        }
+        public int ID
+        {
+            get; private set;
+        }
+
+        public string Name
+        {
+            get => name;
+            set => name = value;
+        }
+
+        [DataType(DataType.Password)]
+        public string Password
+        {
+            get => password;
+            set => password = value;
+        }
+        public UserRole Role
+        {
+            get => role;
+            set => role = value;
+        }
+        public override string ToString()
+        {
+            return $"{ID}: {Name} ({Role})";
+        }
+    }
+}