webform_paymethod_select.install

<?php
/**
 * @file
 */

use \Drupal\webform_paymethod_select\WebformPaymentContext;

/**
 * Implements hook_enable().
 *
 * we're setting the module weight in order to have hook_form_alter
 * being called *after* the same hook from the webform module
 * we want this to ensure our form submit handler is set *after*
 * the webform submit handler so our payment methods can redirect
 * in the payment->execute() call
 *
 * @TODO is this really still needed?
 */
function webform_paymethod_select_enable() {
  db_query("UPDATE {system} a INNER JOIN {system} b ON a.name = 'webform_paymethod_select' AND b.name = 'webform' SET a.weight = b.weight + 1");
}

/**
 * Implements hook_requirements().
 *
 * Check for jQuery>=1.6.
 */
function webform_paymethod_select_requirements($phase) {
  $requirements = [];
  if ($phase == 'runtime') {
    $version = variable_get('jquery_update_jquery_version', '1.10');
    if (!module_exists('jquery_update') || $version === 'default') {
      $version = '1.4';
    }
    if (version_compare($version, '1.6', '<')) {
      $requirements['webform_paymethod_select_jquery'] = [
        'title' => t('Webform paymethod needs jQuery 1.6 or newer.'),
        'value' => $version,
        'description' => t('You can change the jQuery version on the !admin_page .', ['!admin_page' => l(t('jquery_update configuration page'), 'admin/config/development/jquery_update')]),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }
  return $requirements;
}

/**
 * Update / unify payment context data.
 */
function webform_paymethod_select_update_1() {
  module_enable(array('payment_context'));
  $last_pid = 0;
  // Get the first paymethod_select component for each node with payments.
  // We need them later to map context data without cid.
  $sql = "SELECT nid, cid FROM {webform_component} WHERE type='paymethod_select' GROUP BY nid ORDER BY cid";
  $cid_by_nid = db_query($sql)->fetchAssoc();

  // Loop over all stored payments.
  $sql = 'SELECT pid FROM {payment} WHERE pid>:last_pid LIMIT 100';
  while ($pids = db_query($sql, array(':last_pid' => $last_pid))->fetchCol()) {
    foreach ($pids as $pid) {
      try {
        $payment = entity_load_single('payment', $pid);
      }
      catch (\UnexpectedValueException $e) {
        watchdog('webform_paymethod_select', 'Cannot load payment: !message', array('!message' => $e->getMessage(), WATCHDOG_WARNING));
        // Node or submission have vanished. We need to parse the serialized data
        // to extract the nid and sid because the payment can't be loaded.
        $cd_string = db_query('SELECT context_data FROM {payment} WHERE pid=:pid', array(':pid' => $pid))->fetchField();
        $cd = array();
        if (($p = strpos($cd_string, 's:3:"nid";')) !== FALSE) {
          $p += 10;
          $end = strpos($cd_string, ';', $p);
          $cd['nid'] = (int) unserialize(substr($cd_string, $p, $end - $p + 1));
        }
        if (($p = strpos($cd_string, 's:3:"sid";')) !== FALSE) {
          $p += 10;
          $end = strpos($cd_string, ';', $p);
          $cd['sid'] = (int) unserialize(substr($cd_string, $p, $end - $p + 1));
        }
        $fields = array();
        if (isset($cd['nid']) && isset($cd['sid'])) {
          $cd['cid'] = $cid_by_nid[$cd['nid']];
          $fields['context'] = 'webform_paymethod_select';
        }
        $fields['context_data'] = serialize($cd);
        db_update('payment')->fields($fields)->condition('pid', $pid)->execute();
        continue;
      }
      $cd = &$payment->context_data;
      if ($payment->contextObj instanceof WebformPaymentContext) {
        // Everything is perfect - nothing to do.
      }
      // Try to get the context from ->context_data['context'].
      elseif (!empty($cd['context']) && $cd['context'] instanceof WebformPaymentContext) {
        $payment->contextObj = $cd['context'];
        unset($cd['context']);
        entity_save('payment', $payment);
      }
      // Try to get the context data from an array containing nid and sid.
      elseif (is_array($cd) && !empty($cd['nid']) && !empty($cd['sid'])) {
        if (!isset($cd['cid']) && isset($cid_by_nid[$cd['nid']])) {
          $cd['cid'] = $cid_by_nid[$cd['nid']];
        }
        if (!empty($cd['cid'])) {
          $payment->contextObj = WebformPaymentContext::fromContextData($cd);
          entity_save('payment', $payment);
        }
      }
      $last_pid = $pid;
    }
  }
}