Issue #1827980 by hass: Module requirements and email settings form

validation

realname.install

@@ -44,6 +44,49 @@ function realname_schema() {
   return $schema;
 }
 
+/**
+ * Implements hook_requirements().
+ */
+function realname_requirements($phase) {
+  $requirements = array();
+
+  if ($phase == 'runtime') {
+    if (!strpos(variable_get('user_mail_register_admin_created_body', FALSE), '[user:name-raw]')) {
+      $requirements['user_mail_register_admin_created_body'] = array(
+        'title' => t('E-mail: "Welcome (new user created by administrator)" template'),
+        'value' => t('Not configured'),
+        'severity' => REQUIREMENT_ERROR,
+        'description' => t('Replace the token <code>[user:name]</code> with <code>[user:name-raw]</code> in <a href="@people">e-mail</a> template.', array('@people' => url('admin/config/people/accounts', array('fragment' => 'edit-email-admin-created')))),
+      );
+    }
+    if (!strpos(variable_get('user_mail_register_no_approval_required_body', FALSE), '[user:name-raw]')) {
+      $requirements['user_mail_register_no_approval_required_body'] = array(
+        'title' => t('E-mail: "Welcome (no approval required)" template'),
+        'value' => t('Not configured'),
+        'severity' => REQUIREMENT_ERROR,
+        'description' => t('Replace the token <code>[user:name]</code> with <code>[user:name-raw]</code> in <a href="@people">e-mail</a> template.', array('@people' => url('admin/config/people/accounts', array('fragment' => 'edit-email-no-approval-required')))),
+      );
+    }
+    if (!strpos(variable_get('user_mail_status_activated_body', FALSE), '[user:name-raw]')) {
+      $requirements['user_mail_status_activated_body'] = array(
+        'title' => t('E-mail: "Account activation" template'),
+        'value' => t('Not configured'),
+        'severity' => REQUIREMENT_ERROR,
+        'description' => t('Replace the token <code>[user:name]</code> with <code>[user:name-raw]</code> in <a href="@people">e-mail</a> template.', array('@people' => url('admin/config/people/accounts', array('fragment' => 'edit-email-activated')))),
+      );
+    }
+  }
+
+  return $requirements;
+}
+
+/**
+ * Implements hook_disable().
+ */
+function realname_disable() {
+  drupal_set_message('You need to replace the token <code>[user:name-raw]</code> with <code>[user:name]</code> in e-mail templates.', 'warning');
+}
+
 /**
  * Implements hook_uninstall().
  */

realname.module

@@ -391,6 +391,28 @@ function realname_field_widget_form_alter(&$element, &$form_state, $context) {
   }
 }
 
+/**
+ * Implements hook_form_FORM_ID_alter().
+ */
+function realname_form_user_admin_settings_alter(&$form, &$form_state, $form_id) {
+  $form['email_admin_created']['user_mail_register_admin_created_body']['#element_validate'][] = 'realname_username_raw_token_validate';
+  $form['email_no_approval_required']['user_mail_register_no_approval_required_body']['#element_validate'][] = 'realname_username_raw_token_validate';
+  $form['email_activated']['settings']['user_mail_status_activated_body']['#element_validate'][] = 'realname_username_raw_token_validate';
+}
+
+/**
+ * E-mail settings form validation callback.
+ */
+function realname_username_raw_token_validate(&$element, &$form_state) {
+  $value = isset($element['#value']) ? $element['#value'] : $element['#default_value'];
+
+  if (!strpos($value, '[user:name-raw]')) {
+    form_error($element, t('The %element-title does not contain realname token <code>[user:name-raw]</code>.', array('%element-title' => $element['#title'])));
+  }
+
+  return $element;
+}
+
 /**
  * Menu Access callback for the autocomplete widget.
  *