added unban xd

main/admin.php

@@ -45,6 +45,10 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
                     $error = "Username already banned";
                 }
             }
+        } elseif ($_POST['action'] === 'preventive_unban') {
+            $stmt = $db->prepare('DELETE FROM banned_usernames WHERE username = ?');
+            $stmt->execute([$username]);
+            $success = "Username $username has been preventively unbanned";
         }
     }
 }
@@ -121,6 +125,36 @@ $users = $stmt->fetchAll(PDO::FETCH_ASSOC);
             </form>
         </div>
 
+        <h2>Preventively Banned Usernames</h2>
+        <table class="admin-table">
+            <thead>
+                <tr>
+                    <th>Username</th>
+                    <th>Banned At</th>
+                    <th>Actions</th>
+                </tr>
+            </thead>
+            <tbody>
+                <?php
+                $stmt = $db->query('SELECT username, created_at FROM banned_usernames ORDER BY created_at DESC');
+                $banned_usernames = $stmt->fetchAll(PDO::FETCH_ASSOC);
+                foreach ($banned_usernames as $banned): ?>
+                    <tr>
+                        <td><?= htmlspecialchars($banned['username']) ?></td>
+                        <td><?= $banned['created_at'] ?></td>
+                        <td>
+                            <form method="post" style="display:inline">
+                                <input type="hidden" name="username" value="<?= htmlspecialchars($banned['username']) ?>">
+                                <input type="hidden" name="action" value="preventive_unban">
+                                <button type="submit" class="unban-btn">Unban</button>
+                            </form>
+                        </td>
+                    </tr>
+                <?php endforeach; ?>
+            </tbody>
+        </table>
+
+        <h2>Users</h2>
         <table class="admin-table">
             <thead>
                 <tr>