Added registration_enabled configuration

config/config.default.php

@@ -44,6 +44,9 @@ return [
     // Number of News shown on one site
     'display_news'            => 6,
 
+    // Users are able to sign up
+    'registration_enabled'    => true,
+
     // Only arrived angels can sign up for shifts
     'signup_requires_arrival' => false,
 

includes/pages/guest_login.php

@@ -33,7 +33,7 @@ function logout_title()
  */
 function guest_register()
 {
-    global $user;
+    global $user, $privileges;
     $tshirt_sizes = config('tshirt_sizes');
     $enable_tshirt_size = config('enable_tshirt_size');
     $min_password_length = config('min_password_length');
@@ -75,6 +75,14 @@ function guest_register()
         }
     }
 
+    if (!in_array('register', $privileges) || (!isset($user) && !config('registration_enabled'))) {
+        error(_('Registration is disabled.'));
+
+        return page_with_title(register_title(), [
+            msg(),
+        ]);
+    }
+
     if ($request->has('submit')) {
         $valid = true;
 
@@ -496,7 +504,7 @@ function get_register_hint()
 {
     global $privileges;
 
-    if (in_array('register', $privileges)) {
+    if (in_array('register', $privileges) && config('registration_enabled')) {
         return join('', [
             '<p>' . _('Please sign up, if you want to help us!') . '</p>',
             buttons([

includes/sys_menu.php

@@ -59,7 +59,7 @@ function header_toolbar()
         );
     }
 
-    if (!isset($user) && in_array('register', $privileges)) {
+    if (!isset($user) && in_array('register', $privileges) && config('registration_enabled')) {
         $toolbar_items[] = toolbar_item_link(page_link_to('register'), 'plus', register_title(), $page == 'register');
     }
 

includes/view/AngelTypes_view.php

@@ -475,13 +475,27 @@ function AngelTypes_about_view_angeltype($angeltype)
  */
 function AngelTypes_about_view($angeltypes, $user_logged_in)
 {
+    global $privileges;
+
+    $buttons = [];
+
+    if ($user_logged_in) {
+        $buttons[] = button(page_link_to('angeltypes'), angeltypes_title(), 'back');
+    } else {
+        if (in_array('register', $privileges) && config('registration_enabled')) {
+            $buttons[] = button(page_link_to('register'), register_title());
+        }
+
+        $buttons[] = button(page_link_to('login'), login_title());
+    }
+
+    $faqUrl = config('faq_url');
+    if (!empty($faqUrl)) {
+        $buttons[] = button($faqUrl, _('FAQ'), 'btn-primary');
+    }
+
     $content = [
-        buttons([
-            !$user_logged_in ? button(page_link_to('register'), register_title()) : '',
-            !$user_logged_in ? button(page_link_to('login'), login_title()) : '',
-            $user_logged_in ? button(page_link_to('angeltypes'), angeltypes_title(), 'back') : '',
-            button(config('faq_url'), _('FAQ'), 'btn-primary')
-        ]),
+        buttons($buttons),
         '<p>' . _('Here is the list of teams and their tasks. If you have questions, read the FAQ.') . '</p>',
         '<hr />'
     ];