winforms users crud

StudentHouseDashboard/WinForms/UserForm.cs

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+using StudentHouseDashboard.Managers;
+using StudentHouseDashboard.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace WinForms
+{
+    public partial class UserForm : Form
+    {
+        User user;
+        public UserForm(User? user, bool readOnly)
+        {
+            InitializeComponent();
+            this.user = user;
+            if (readOnly)
+            {
+                btnSave.Enabled = false;
+                tbUsername.Enabled = false;
+                tbPassword.Enabled = false;
+                cbUserRole.Enabled = false;
+            }
+            cbUserRole.Items.Clear();
+            foreach (var item in Enum.GetValues(typeof(UserRole)))
+            {
+                cbUserRole.Items.Add(item);
+            }
+            if (user != null)
+            {
+                tbUsername.Text = user.Name;
+                tbPassword.Text = user.Password;
+                cbUserRole.SelectedIndex = (int)user.Role;
+            }
+
+        }
+
+        private void btnSave_Click(object sender, EventArgs e)
+        {
+            UserManager userManager = new UserManager();
+            if (string.IsNullOrEmpty(tbUsername.Text) || string.IsNullOrEmpty(tbPassword.Text) || cbUserRole.SelectedIndex == -1)
+            {
+                MessageBox.Show("Please enter data in all fields");
+                return;
+            }
+
+            if (this.user == null)
+            {
+                userManager.CreateUser(tbUsername.Text, BCrypt.Net.BCrypt.HashPassword(tbPassword.Text), (UserRole)cbUserRole.SelectedItem);
+            }
+            else
+            {
+                userManager.UpdateUser(this.user.ID, tbUsername.Text, BCrypt.Net.BCrypt.HashPassword(tbPassword.Text), (UserRole)cbUserRole.SelectedItem);
+            }
+            this.DialogResult = DialogResult.OK;
+        }
+    }
+}