wf_crm_webform_ajax.inc in Webform CiviCRM Integration 7.4

File

includes/wf_crm_webform_ajax.inc

<?php

/**
 * @file
 * Front-end form ajax handler.
 */
module_load_include('inc', 'webform_civicrm', 'includes/wf_crm_webform_base');
class wf_crm_webform_ajax extends wf_crm_webform_base {
  function __construct() {
    civicrm_initialize();
  }

  /**
   * Populate a state list based on chosen country
   * @param string $input
   */
  function stateProvince($input) {
    if (!$input || intval($input) != $input && $input != 'default') {
      drupal_json_output(array(
        '' => t('- first choose a country -'),
      ));
      exit;
    }
    drupal_json_output(wf_crm_get_states($input));
    exit;
  }

  /**
   * Populate a county list based on chosen state
   * @param string $input
   */
  function county($input) {
    if (strpos($input, '-')) {
      list($state, $country) = explode('-', $input);
      $params = array(
        'field' => 'county_id',
        'state_province_id' => wf_crm_state_abbr($state, 'id', $country),
      );
      drupal_json_output(wf_crm_apivalues('address', 'getoptions', $params));
      exit;
    }
  }

  /**
   * Load one or more contacts via ajax
   * @param $key
   */
  function contactAjax($key) {
    module_load_include('inc', 'webform_civicrm', 'includes/contact_component');
    if (empty($_GET['str']) && (empty($_GET['load']) || empty($_GET['cid']))) {
      exit;
    }
    list($nid, $fid) = explode('-', $key, 2);
    $this->node = node_load($nid);
    $this->settings = $this->node->webform_civicrm;
    if (!self::autocompleteAccess($this->node, $fid)) {
      drupal_access_denied();
    }
    $this->data = $this->node->webform_civicrm['data'];
    $component = $this->node->webform['components'][$fid];
    $filters = wf_crm_search_filters($this->node, $component);

    // Populate other contact ids for related data
    $this->ent += array(
      'contact' => array(),
    );
    foreach ($_GET as $k => $v) {
      if (substr($k, 0, 3) == 'cid' && $v && is_numeric($v)) {
        $this->ent['contact'][substr($k, 3)]['id'] = (int) $v;
      }
    }

    // Bypass filters when choosing contact on component edit form
    if (!empty($_GET['admin']) && wf_crm_admin_access($this->node)) {
      $filters = array(
        'check_permissions' => 1,
        'is_deleted' => 0,
        'contact_type' => $filters['contact_type'],
      );
      $component['extra']['allow_create'] = 0;
    }

    // Autocomplete contact names
    if (!empty($_GET['str'])) {
      if ($str = trim($_GET['str'])) {
        drupal_json_output(wf_crm_contact_search($this->node, $component, $filters, $this->ent['contact'], $str));
      }
      exit;
    }

    // Load contact by id
    $data = array();
    if ($name = wf_crm_contact_access($component, $filters, $_GET['cid'])) {
      if ($_GET['load'] == 'name') {
        if ($_GET['cid'][0] === '-') {

          // HTML hack to get prompt to show up different than search results
          $data = '<em><i>' . filter_xss($component['extra']['none_prompt']) . '</i></em>';
        }
        else {
          $data = $name;
        }
      }

      // Fetch entire contact to populate form via ajax
      if ($_GET['load'] == 'full') {
        $sp = CRM_Core_DAO::VALUE_SEPARATOR;
        $this->enabled = wf_crm_enabled_fields($this->node);
        list(, $c, ) = explode('_', $component['form_key'], 3);
        $this->ent['contact'][$c]['id'] = (int) $_GET['cid'];

        // Redact fields if they are to be hidden unconditionally, otherwise they are needed on the client side
        $to_hide = wf_crm_aval($component['extra'], 'hide_method', 'hide') == 'hide' && !wf_crm_aval($component['extra'], 'no_hide_blank') ? $component['extra']['hide_fields'] : array();
        $contact = $this
          ->loadContact($c, $to_hide);
        $states = $countries = array();

        // Format as json array
        foreach ($this->enabled as $fid => $f) {
          list(, $i, $ent, $n, $table, $field) = explode('_', $fid, 6);
          if ($i == $c && $ent == 'contact' && isset($contact[$table][$n][$field])) {
            $type = $table == 'contact' && strpos($field, 'name') ? 'name' : $table;

            // Exclude blank and hidden fields
            if ($contact[$table][$n][$field] !== '' && $contact[$table][$n][$field] !== array() && !in_array($type, $to_hide)) {
              $dataType = wf_crm_aval(wf_crm_get_field("{$table}_{$field}"), 'data_type');
              $val = array(
                'val' => $contact[$table][$n][$field],
              );

              // Retrieve file info
              if ($dataType === 'File') {
                $val = $this
                  ->getFileInfo($field, $val['val'], $ent, $n);
              }
              elseif (is_string($val['val']) && strpos($val['val'], $sp) !== FALSE) {
                $val['val'] = wf_crm_explode_multivalue_str($val['val']);
              }
              $val['fid'] = $fid;
              if ($dataType) {
                $val['data_type'] = $dataType;
              }
              if ($field == 'state_province_id') {
                $states[] = $val;
              }
              elseif ($field == 'country_id') {
                $countries[] = $val;
              }
              else {
                $data[] = $val;
              }
            }
          }
          elseif ($c == 1 && $i > $c && $field == 'existing') {
            $related_component = $this
              ->getComponent($fid);
            if (wf_crm_aval($related_component['extra'], 'default') == 'relationship') {
              $old_related_cid = wf_crm_aval($this->ent, "contact:{$i}:id");

              // Don't be fooled by old data
              $related_component['extra']['allow_url_autofill'] = FALSE;
              unset($this->ent['contact'][$i]);
              $this
                ->findContact($related_component);
              $related_cid = wf_crm_aval($this->ent, "contact:{$i}:id");
              if ($related_cid && $related_cid != $old_related_cid) {
                $data[] = array(
                  'fid' => $fid,
                  'val' => $related_cid,
                  'display' => wf_crm_contact_access($related_component, wf_crm_search_filters($this->node, $related_component), $related_cid),
                );
              }
            }
          }
        }

        // We want counties, states and countries in that order to avoid race-conditions client-side
        $data = array_merge($data, $states, $countries);
      }
    }
    drupal_json_output($data);
    exit;
  }

  /**
   * Access callback. Check if user has permission to view autocomplete results.
   *
   * @param stdClass $node
   * @param int $fid
   *   Webform component id
   * @return bool
   */
  public static function autocompleteAccess($node, $fid) {
    global $user;
    if (!$fid || empty($node->webform_civicrm)) {
      return FALSE;
    }
    if (empty($node->webform['components'][$fid]) || !node_access('view', $node)) {
      return FALSE;
    }
    if ($user->uid === 1 || webform_results_access($node)) {
      return TRUE;
    }
    if (!empty($node->webform['components'][$fid]['private'])) {
      return FALSE;
    }
    if (variable_get('webform_submission_access_control', 1)) {
      $allowed_roles = array();
      foreach ($node->webform['roles'] as $rid) {
        $allowed_roles[$rid] = isset($user->roles[$rid]) ? TRUE : FALSE;
      }
      if (array_search(TRUE, $allowed_roles) === FALSE) {
        return FALSE;
      }
    }
    return TRUE;
  }

}

/**
 * Drupal page callback to serve AJAX requests.
 *
 * @param $key
 *   Type of AJAX request
 * @param $input
 *   User input
 *
 * Prints json output
 */
function wf_crm_ajax($key, $input = '') {
  $processor = new wf_crm_webform_ajax();
  if ($key == 'stateProvince' || $key == 'county') {
    $processor
      ->{$key}($input);
  }
  elseif (strpos($key, '-')) {
    $processor
      ->contactAjax($key);
  }
  drupal_access_denied();
}

Functions

Name	Description
wf_crm_ajax	Drupal page callback to serve AJAX requests.

Classes

Name	Description
wf_crm_webform_ajax