no country

<?php
/**
 * @file
 * Code for the EDB User feature.
 */

include_once 'edb_user.features.inc';
include_once 'includes/edb_user.views.inc';

/**
 * Implements hook_form_FORM_ID_alter().
 */
function edb_user_form_user_profile_form_alter(&$form, &$form_state) {
  if (!user_access('administer users')) {
    // Hide legacy fields and other fields that should not be accessible to lower-level users
    $legacy_fields = array(
      'field_legacy_project_timeframe',
      'field_legacy_project_wherestatus',
      'field_legacy_requires_database',
      'field_init_value',
      'field_forum_id_',
      'field_user_last_campaign',
      'field_user_last_asset',
      'field_blog_author_avatar',
      # hiding these fields as well even though it's not a "legacy" field
      'field_formid',
      'flag_notify_field_defaults',
    );

    foreach ($legacy_fields as $legacy_field) {
      $form[$legacy_field]['#access'] = FALSE;
    }
    // Hide the blog author bio.
    $blog_author_fields = $form['#fieldgroups']['group_user_blog_author_info']->children;
    if (!empty($blog_author_fields)) {
      foreach ($blog_author_fields as $blog_author_field) {
        $form[$blog_author_field]['#access'] = FALSE;
      }
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function edb_user_form_user_pass_alter(&$form, &$form_state){
    $form['actions']['submit']['#submit'][] = 'edb_user_pass_form_submit';
}

/**
 * custom submit handler for password reset page
 * @param $form
 * @param $form_state
 */
function edb_user_pass_form_submit($form, &$form_state){
    global $language;

  $account = $form_state['values']['account'];
  // Mail one time login URL and instructions using current language.
  $mail = _user_mail_notify('password_reset', $account, $language);
  if (!empty($mail)) {
    watchdog('user', 'Password reset instructions mailed to %name at %email.', array('%name' => $account->name, '%email' => $account->mail));
    drupal_set_message(t('If there is an account associated with (email address), you will receive an email with a link to reset your password.'));
  }

  $form_state['redirect'] = 'user';
  return;
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function edb_user_form_user_register_alter(&$form, &$form_state){

  $excluded_options = array(
    'Information Technology',
    'Telecommunications',
    'Healthcare Facilities/Services',
    'Media/Marketing/Advertising',
    'Insurance',
    'Technology',
    'Aerospace & Defense',
    'Communications - Equipment/Services',
    'Computer Software',
    'Manufacturing- Hardware/Software',
    'Public Sector',
    'Communications - Equipment & Services',
    'Financial Services',
    'Education',
    'Research/Development',
    'Financial',
  );
  foreach ($excluded_options as $key) {
    $lang = $form['field_type_of_business']['#language'];
    unset($form['field_type_of_business'][$lang]['#options'][$key]);
  }

  //Hide Embargoed countries from Country options without removing already existing users of these countries.
  $country_excluded = array(
      'BY','CU','ER','IR','KP','SY','VE','SD','SS',
  );
  foreach ($country_excluded as $country) {
    $lang = $form['field_postal_address']['#language'];
    unset($form['field_postal_address'][$lang][0]['country']['#options'][$country]);
  }

  $form['field_postal_address'][$lang][0]['country']['#empty_option'] = t('- Select -');
  $form['field_postal_address'][$lang][0]['country']['#required'] = TRUE;
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function edb_user_form_user_register_form_alter(&$form, &$form_state) {
  // EDB-1001: Hide specific options from field, without removing them from existing records
  $excluded_options = array(
    'Information Technology',
    'Telecommunications',
    'Healthcare Facilities/Services',
    'Media/Marketing/Advertising',
    'Insurance',
    'Technology',
    'Aerospace & Defense',
    'Communications - Equipment/Services',
    'Computer Software',
    'Manufacturing- Hardware/Software',
    'Public Sector',
    'Communications - Equipment & Services',
    'Financial Services',
    'Education',
    'Research/Development',
    'Financial',
  );
  foreach ($excluded_options as $key) {
    $lang = $form['field_type_of_business']['#language'];
    unset($form['field_type_of_business'][$lang]['#options'][$key]);
  }

  //Hide Embargoed countries from Country options without removing already existing users of these countries.
  $country_excluded = array(
      'BY','CU','ER','IR','KP','SY','VE','SD','SS',
  );
  foreach ($country_excluded as $country) {
    $lang = $form['field_postal_address']['#language'];
    unset($form['field_postal_address'][$lang][0]['country']['#options'][$country]);
  }

  $form['field_postal_address'][$lang][0]['country']['#empty_option'] = t('- Select -');
  $form['field_postal_address'][$lang][0]['country']['#required'] = TRUE;

  $form['actions']['submit']['#submit'][] = 'edb_user_register_form_submit';
}

/**
 * custom submit handler for user registration form
 * @param $form
 * @param $form_state
 */
function edb_user_register_form_submit($form, &$form_state){
 $reg_pass_set = !variable_get('user_email_verification', TRUE);

  // Test here for a valid pre-auth -- if the pre-auth is set to the auth user, we
  // handle things a bit differently.
  $pre_auth = logintoboggan_validating_id() != DRUPAL_AUTHENTICATED_RID;

  // If we are allowing user selected passwords then skip the auto-generate function
  // The new user's status will be 1 (visitors can create own accounts) if reg_pass_set == 1
  // Immediate login, we are going to assign a pre-auth role, until email validation completed
  if ($reg_pass_set) {
    $pass = $form_state['values']['pass'];
    $status = 1;
  }
  else {
    $pass = user_password();
    $status = variable_get('user_register', USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL) == USER_REGISTER_VISITORS;
  }

  // The unset below is needed to prevent these form values from being saved as
  // user data.
  form_state_values_clean($form_state);

  // Set the roles for the new user -- add the pre-auth role if they can pick their own password,
  // and the pre-auth role isn't anon or auth user.
  $validating_id = logintoboggan_validating_id();
  $roles = isset($form_state['values']['roles']) ? array_filter($form_state['values']['roles']) : array();
  if ($reg_pass_set && ($validating_id > DRUPAL_AUTHENTICATED_RID)) {
    $roles[$validating_id] = 1;
  }

  $form_state['values']['pass'] = $pass;
  $form_state['values']['init'] = $form_state['values']['mail'];
  $form_state['values']['roles'] = $roles;
  $form_state['values']['status'] = $status;

  $account = $form['#user'];

  entity_form_submit_build_entity('user', $account, $form, $form_state);

  // Populate $edit with the properties of $account, which have been edited on
  // this form by taking over all values, which appear in the form values too.
  $edit = array_intersect_key((array) $account, $form_state['values']);
  $account = user_save($account, $edit);

  // Terminate if an error occurred during user_save().
  if (!$account) {
    drupal_set_message(t("Error saving user account."), 'error');
    $form_state['redirect'] = '';
    return;
  }
  $form_state['user'] = $account;
  $form_state['values']['uid'] = $account->uid;

  watchdog('user', 'New user: %name (%email).', array('%name' => $form_state['values']['name'], '%email' => $form_state['values']['mail']), WATCHDOG_NOTICE, l(t('edit'), 'user/' . $account->uid . '/edit'));

  // Add plain text password into user account to generate mail tokens.
  $account->password = $pass;

  // Compose the appropriate user message. Validation emails are only sent if:
  //   1. Users can set their own password.
  //   2. The pre-auth role isn't the auth user.
  //   3. Visitors can create their own accounts.
  $message = t('Thank you for registering with us!');
  if($reg_pass_set && $pre_auth && variable_get('user_register', USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL) == USER_REGISTER_VISITORS) {
    $message = t('A validation e-mail has been sent to your e-mail address. You will need to follow the instructions in that message in order to gain full access to the site.');
  }

  if (variable_get('user_register', USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL) == USER_REGISTER_VISITORS) {

    // Create new user account, no administrator approval required.
    $mailkey = 'register_no_approval_required';

  } elseif (variable_get('user_register', USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL) == USER_REGISTER_VISITORS_ADMINISTRATIVE_APPROVAL) {

    // Create new user account, administrator approval required.
    $mailkey = 'register_pending_approval';

    $message = t('Thank you for applying for an account. Your account is currently pending approval by the site administrator.<br />Once it has been approved, you will receive an e-mail containing further instructions.');
  }

  // Mail the user.
  _user_mail_notify($mailkey, $account);

  drupal_set_message($message);

  // where do we need to redirect after registration?
  $redirect = _logintoboggan_process_redirect(variable_get('logintoboggan_redirect_on_register', ''), $account);

  // Log the user in if they created the account and immediate login is enabled.
  if($reg_pass_set && variable_get('logintoboggan_immediate_login_on_register', TRUE)) {
    $form_state['redirect'] = logintoboggan_process_login($account, $form_state['values'], $redirect);
  }
  else {
    // Redirect to the appropriate page.
    $form_state['redirect'] = $redirect;
  }
}


/**
 * Implements hook_menu_alter().
 */
function edb_user_menu_alter(&$items) {

  $items['admin/config/people/accounts/remove-field-country'] = array(
    'page callback' => 'drupal_get_form',
    'page arguments' => array('edb_user_remove_field_country'),
    'type' => MENU_CALLBACK,
    'access arguments' => array('administer nodes'),
    'title' => 'Remove the deprecated field_country from the site',
  );

}

/**
 * Simple form to trigger removing "number of employees" field altogether
 * @param $form
 * @param $form_state
 */
function edb_user_remove_field_country($form, &$form_state) {

  if(!isset($form_state['storage']['confirm'])) {
    $form['text'] = array(
      '#markup' => '<p>' . t('Use this form one time to completely remove the deprecated field "country".') . '</p>',
    );
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => t('Begin'),
      '#submit' => array('edb_user_remove_field_country_submit'),
    );

    return $form;
  } else {
    drupal_set_message('Are you sure that you want to completely remove the deprecated field "country"?');
    return confirm_form($form);
  }

}

/**
 * Validation function for form edb_user_remove_field_country
 * @param $form
 * @param $form_state
 */
function edb_user_remove_field_country_validate ($form, &$form_state) {
  // if field_country has any data in it, form_set_error
  $query = "SELECT field_country_value FROM field_data_field_country WHERE field_country_value IS NOT NULL;";
  $number_rows = db_query($query)->rowCount();
  if ($number_rows !== 0) {
    form_set_error('submit', t('Cannot remove the Country field, as there is still data in it.'));
  }
}

/**
 * @param $form
 * @param $form_state
 */
function edb_user_remove_field_country_submit($form, &$form_state) {
  if(!isset($form_state['storage']['confirm'])) {
    $form_state['storage']['confirm'] = TRUE;
    $form_state['rebuild'] = TRUE;
  } else {
    drupal_set_message('Purging "country" field from the database.');
    field_delete_field('field_country');
    // set a range large enough to delete all uses of this field
    $really_big_range = 9999999;
    field_purge_batch($really_big_range);
    drupal_set_message('Purge complete.');
  }
}

/**
 * Implements hook_action_info().
 */
function edb_user_action_info() {
  return array(
    'edb_user_action_migrate_field_country_values' => array(
      'type' => 'user',
      'label' => t('Migrate values from user field_country, which we are deprecating'),
      'behavior' => array('changes_property'),
      'configurable' => FALSE,
      'vbo_configurable' => FALSE,
      'triggers' => array('any'),
    ),
  );
}

/**
 * Action function to migrate some field_country values to field_postal_address
 * @param $entity
 * @param $context
 */
function edb_user_action_migrate_field_country_values (&$entity, $context) {
  // field_country stored country name; field_postal_address stores
  // country data using ISO 2-character country codes - look up this row's
  // country code
  module_load_include('inc', 'locale', 'locale');
  $country_codes = country_get_list();

  // The official list has 'Russia' and 'South Korea' - db has variants of these
  $supplemental_country_codes = array('RU' => 'Russian Federation', 'KR' => 'Korea, Republic of');

  $lang = field_language('user', $entity, 'field_country');
  $country_code = array_search($entity->field_country[$lang][0]['value'], $country_codes);
  if (!$country_code) {
    $country_code = array_search($entity->field_country[$lang][0]['value'], $supplemental_country_codes);
  }
  $lang = field_language('user', $entity, 'field_postal_address');
  # only update field_postal_address if its country value is empty
  if (!empty($entity->field_postal_address) && $entity->field_postal_address[$lang][0]['country'] !== '' && $country_code) {
    $entity->field_postal_address[$lang][0]['country'] = $country_code;
  }

  # done with this user - unset field_country
  unset($entity->field_country[$lang][0]);
}