select_registration_roles.module in Select registration roles 7

Admin can select roles that will be display on registration form.

Admin also set roles for admin approval during registration.

File

select_registration_roles.module

<?php

/**
 * @file
 * Admin can select roles that will be display on registration form.
 *
 * Admin also set roles for admin approval during registration.
 */

/**
 * Implements hook_help().
 */
function select_registration_roles_help($path, $arg) {
  switch ($path) {
    case 'admin/help#select_registration_roles':
      return check_markup(file_get_contents(dirname(__FILE__) . "/README.txt"));
  }
}

/**
 * Implements hook_menu().
 */
function select_registration_roles_menu() {
  $items['admin/people/select-registration-roles-setby-admin'] = array(
    'title' => 'Registration Role Set By Admin',
    'description' => 'Configure Registration Role.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'select_registration_roles_admin_settings_form',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
    'type' => MENU_LOCAL_ACTION,
  );
  return $items;
}

/**
 * Allow admin to set which roles will be available on registration form.
 *
 *  Set roles need admin approval.
 */
function select_registration_roles_admin_settings_form($form, &$form_state) {
  $roles = select_registration_roles_get_all_roles();
  $default_value = array();
  $form['select_registration_roles_setby_admin'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Roles'),
    '#options' => $roles,
    '#description' => t("Select roles that will be displayed on registration form"),
    '#default_value' => variable_get('select_registration_roles_setby_admin', $default_value),
  );
  $form['select_registration_roles_admin_approval'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Approval Roles'),
    '#options' => $roles,
    '#description' => t("Select roles that need admin approval"),
    '#default_value' => variable_get('select_registration_roles_admin_approval', $default_value),
  );
  return system_settings_form($form);
}

/**
 * Fetch all the role information.
 */
function select_registration_roles_get_all_roles($membersonly = TRUE) {
  $roles = user_roles($membersonly);
  unset($roles[DRUPAL_AUTHENTICATED_RID]);
  return $roles;
}

/**
 * Implements hook_form_user_register_form_alter().
 */
function select_registration_roles_form_user_register_form_alter(&$form, &$form_state) {
  $roles = array();
  $display_roles = array_filter(variable_get('select_registration_roles_setby_admin', $roles));
  if (empty($display_roles)) {
    $form['select_roles'] = array(
      '#type' => 'checkboxes',
      '#title' => t('You must configure <a href = "@configure">role field on the registration form.</a>', array(
        '@configure' => '/admin/people/select-registration-roles-setby-admin',
      )),
      '#options' => $roles,
    );
  }
  else {
    $approval_roles = array_filter(variable_get('select_registration_roles_admin_approval', $roles));
    $all_roles = select_registration_roles_get_all_roles();
    $display_roles = array_intersect_key($all_roles, $display_roles);
    foreach ($display_roles as $role_id => $role_name) {
      if (in_array($role_id, $approval_roles)) {
        $role_name .= t("<i>*needs administration approval</i>");
      }
      $roles[$role_id] = $role_name;
      $form['select_roles'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Choose a role'),
        '#options' => $roles,
      );
    }
  }
  $form['#submit'][] = 'select_registration_roles_form_submit';
}

/**
 * Implements hook_form_submit().
 */
function select_registration_roles_form_submit($form, &$form_state) {
  $select_roles = array_filter($form_state['values']['select_roles']);
  $roles = array();
  $uid = $form_state['user']->uid;
  $username = $form_state['user']->name;
  $account = user_load($uid);
  $all_roles = select_registration_roles_get_all_roles();
  $select_roles = array_intersect_key($all_roles, $select_roles);
  foreach ($select_roles as $role_id => $role_name) {
    $roles[$role_id] = $role_name;
    $approval_roles = array_filter(variable_get('select_registration_roles_admin_approval', $roles));
    if (in_array($role_id, $approval_roles)) {
      $account->status = 0;
      $user_approval[$role_id] = $role_name;
      drupal_get_messages('status', TRUE);
      drupal_set_message(t('Thanks for registering, Account has been blocked until approved by administrator.'));
    }
  }
  $key = array_search($roles, $account->roles);
  if ($key == FALSE) {
    $all_role = $account->roles + $roles;
    user_save($account, array(
      'roles' => $all_role,
    ));
  }

  // Send email notification to administrator.
  if (!empty($user_approval)) {
    $params = array(
      'username' => $username,
      'user_approval' => $user_approval,
    );
    $language = language_default();
    $email = variable_get('site_mail', '');
    drupal_mail('select_registration_roles_with_approval', 'registration', $email, $language, $params);
  }
}

/**
 * Implements hook_mail().
 */
function select_registration_roles_with_approval_mail($key, &$message, $params) {
  switch ($key) {
    case 'registration':

      // note: data can be passed to this function in the $params array.
      $output = t("Name: @name", array(
        '@name' => $params['username'],
      ));
      $output .= t("has requested a role that need your confirmation.");
      $output .= t("Role(s) that need your approvals:");
      $output .= implode("', '", $params['user_approval']);
      $message['subject'] = t('New Roles Request');
      $message['body'][] = $output . '.';
      break;
  }
}

Functions

Name	Description
select_registration_roles_admin_settings_form	Allow admin to set which roles will be available on registration form.
select_registration_roles_form_submit	Implements hook_form_submit().
select_registration_roles_form_user_register_form_alter	Implements hook_form_user_register_form_alter().
select_registration_roles_get_all_roles	Fetch all the role information.
select_registration_roles_help	Implements hook_help().
select_registration_roles_menu	Implements hook_menu().
select_registration_roles_with_approval_mail	Implements hook_mail().