Make the help address optional, and configurable.

backend/src/Model/Table/SettingsTable.php

@@ -58,7 +58,8 @@ class SettingsTable extends Table
         [ 'field' => 'disclaimer', 'value' => '', 'fieldtype' => 'text' ],
         [ 'field' => 'notified-emails', 'value' => '', 'fieldtype' => 'text' ],
         [ 'field' => 'approval-signature-text', 'value' => '', 'fieldtype' => 'text' ],
-        [ 'field' => 'pdf-name', 'value' => 'CAPS_%d_%n_%s_%c']
+        [ 'field' => 'pdf-name', 'value' => 'CAPS_%d_%n_%s_%c'],
+        [ 'field' => 'support-email', 'value' => ''],
     ];
 
     private $settingsInstance = null;

backend/templates/Settings/index.php

@@ -56,6 +56,13 @@
             </textarea>
         </div>
 
+        <div class="form-group">
+            <label for="caps-setting-support-email" class="caps-setting-header">Email di supporto</label>
+            <div class="caps-setting-description">Questo indirizzo viene mostrato all'utente nella barra laterale per 
+                contattare il supporto. Se non impostato, il bottone non è mostrato.</div>
+            <input id="caps-setting-support-email" name="support-email" class="form-control" value="<?= h($settings['support-email']); ?>"></input>
+        </div>
+
     <?= $this->element('card-end') ?>
 
     <?= $this->element('card-start', [ 'header' => 'Piani di studio' ]) ?>

backend/templates/element/sidebar.php

@@ -211,13 +211,15 @@
     <?php endif; ?>
 
     <!-- Divider -->
+    <?php if($settings['support-email']): ?>
     <hr class="sidebar-divider">
     <li class="nav-item">
-        <a class="nav-link" href="mailto:[email protected]">
+        <a class="nav-link" href="mailto:<?= $settings['support-email'] ?>">
             <i class="fas f-fw fa-at"></i>
             <span>Supporto</span>
         </a>
     </li>
+    <?php endif; ?>
 
 </ul>
 <!-- End of Sidebar -->