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webform_civicrm_forms.inc in Webform CiviCRM Integration 7.2

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webform_civicrm_forms.inc
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<?php

/**
 * @file
 * Webform CiviCRM module's front-end form functions.
 * The functions in this file are all cross-compatible with D6/Civi3 and D7/Civi4
 * Drupal-version-specific functions belong in webform_civicrm_dx_functions.inc
 */
module_load_include('inc', 'webform_civicrm', 'webform_civicrm_utils');

/**
 * Alter front-end of webforms: Called by hook_form_alter() when rendering a civicrm-enabled webform
 * Add custom prefix.
 * Display messages.
 * Block users who should not have access.
 * Set webform default values.
 */
function _webform_civicrm_webform_frontend_form_alter(&$form, &$form_state) {
  webform_civicrm_add_js('webform_civicrm_webforms.js');
  $form['#validate'][] = 'webform_civicrm_form_validate';
  array_unshift($form['#submit'], 'webform_civicrm_storage');
  civicrm_initialize();
  $config = CRM_Core_Config::singleton();
  $node = $form['#node'];
  $settings = $node->webform_civicrm;
  $data = $settings['data'];
  $fields = webform_civicrm_get_fields();
  $id = $info = $args = array();

  // JS Cache eliminates the need for most ajax state/province callbacks
  foreach ($data['contact'] as $c) {
    if (!empty($c['number_of_address'])) {
      $dc = $config->defaultContactCountry;
      $js = '
        var stateProvinceDefault = ' . json_encode(webform_civicrm_get_options('state_province', $dc)) . ";\n        var stateProvinceCache = {\n          'default':stateProvinceDefault,\n          '{$dc}':stateProvinceDefault,\n          '':{'':'" . t('- first choose a country -') . "'}};\n        var webformSelectNa = '" . t('- N/A -') . "';\n        var webformSelectNone = '" . t('- None -') . "';\n        var webformSelectSelect = '" . t('- Select -') . "';";
      webform_civicrm_add_js($js, 'inline');
      break;
    }
  }

  // Early return if the form (or page) was already submitted
  if (webform_civicrm_aval($form_state, 'clicked_button:#id') == 'edit-previous' || empty($form_state['rebuild']) && !empty($form_state['storage'])) {
    webform_civicrm_fill_values($form['submitted'], array(), $fields, array());
    return;
  }

  // If this is an edit op, use the original IDs and return
  if (isset($form['#submission']->sid)) {
    if (isset($form['#submission']->civicrm)) {
      $form_state['storage']['civicrm']['id']['cid'] = $form['#submission']->civicrm['contact_id'];
      $form_state['storage']['civicrm']['id']['act'][1] = $form['#submission']->civicrm['activity_id'];
    }
    webform_civicrm_fill_values($form['submitted'], array(), $fields, array());
    return;
  }

  // If this form is already in-process, IDs will be stored
  if (!empty($form_state['storage'])) {
    $id = $form_state['storage']['civicrm']['id'];
  }
  else {
    $args = $_GET;
    if (isset($args['cid']) && empty($args['cid1'])) {
      $args['cid1'] = $args['cid'];
    }
    $count = count($data['contact']);
    for ($i = 1; $i <= $count; ++$i) {
      if (isset($args['cid' . $i]) && is_numeric($args['cid' . $i])) {
        $cid = (int) $args['cid' . $i];
        require_once 'CRM/Contact/BAO/Contact/Permission.php';
        if ($cid === 0 || CRM_Contact_BAO_Contact_Permission::validateChecksumContact($cid, CRM_Core_DAO::$_nullObject)) {
          $id['cid'][$i] = $cid;

          // Identify contact 1 as acting user if not already logged in
          if ($cid && $i == 1 && user_is_anonymous()) {
            CRM_Core_DAO::executeQuery('SET @civicrm_user_id = %1', array(
              1 => array(
                $cid,
                'Integer',
              ),
            ));
          }
        }
      }
    }
  }

  // If user is logged in, look up the CID
  if (!isset($id['cid'][1]) && $settings['contact_matching'] && $data['contact'][1]['contact'][1]['contact_type'] == 'individual' && ($cid = webform_civicrm_user_cid())) {
    $id['cid'][1] = $cid;
  }
  if (!empty($args['aid']) && !empty($id['cid']) && is_numeric($args['aid'])) {
    $result = webform_civicrm_api('activity', 'get', array(
      'activity_id' => $args['aid'],
      'return.target_contact_id' => 1,
      'return.assignee_contact_id' => 1,
    ));
    if (isset($result['values'][$args['aid']])) {
      $act = $result['values'][$args['aid']];
      $valid = FALSE;

      // Verify that this activity is the right type and that our contacts have some involvement in it
      if ($act['activity_type_id'] == $data['activity'][1]['activity'][1]['activity_type_id']) {
        foreach ($id['cid'] as $cid) {
          if ($act['source_contact_id'] == $cid || in_array($cid, $act['target_contact_id']) || in_array($cid, $act['assignee_contact_id'])) {
            $activity = array(
              'activity' => array(
                1 => $result['values'][$args['aid']],
              ),
            );
            $custom = webform_civicrm_get_custom($args['aid'], 'activity');
            $info['activity'] = array(
              1 => $activity + $custom,
            );
            $id['act'][1] = $args['aid'];
            break;
          }
        }
      }
    }
  }
  else {
    if (!empty($data['case'][1]['case'][1]['status_id']) && !empty($id['cid'][1])) {
      $result = webform_civicrm_api('case', 'get', array(
        'client_id' => $id['cid'][1],
      ));
      if (!empty($result['values'])) {
        foreach ($result['values'] as $case) {
          if ($case['status_id'] == $data['case'][1]['case'][1]['status_id'] && empty($case['is_deleted']) && $case['case_type_id'] == $data['case'][1]['case'][1]['case_type_id']) {
            $id['case'][1] = $case['id'];
            break;
          }
        }
      }
    }
    if (!empty($data['activity'][1]['existing_activity_status']) && !empty($id['cid'][1])) {
      $params = array(
        'contact_id' => $id['cid'][1],
        'activity_type_id' => $data['activity'][1]['activity'][1]['activity_type_id'],
        'status_id' => $data['activity'][1]['existing_activity_status'],
      );
      if (!empty($id['case'][1])) {
        $params['case_id'] = $id['case'][1];
      }
      if ($id['act'][1] = webform_civicrm_activity_find($params)) {
        $result = webform_civicrm_api('activity', 'get', array(
          'activity_id' => $id['act'][1],
        ));
        $activity = array(
          'activity' => array(
            1 => $result['values'][$id['act'][1]],
          ),
        );
        $custom = webform_civicrm_get_custom($id['act'][1], 'activity');
        $info['activity'] = array(
          1 => $activity + $custom,
        );
      }
    }
  }

  // Form alterations for unknown contacts
  if (empty($id['cid'][1])) {
    if ($settings['prefix_unknown']) {
      $form['#prefix'] = webform_civicrm_aval($form, '#prefix', '') . '<div class="webform-civicrm-prefix contact-unknown">' . nl2br($settings['prefix_unknown']) . '</div>';
    }
    if ($settings['block_unknown_users']) {
      $form['submitted']['#access'] = $form['actions']['#access'] = FALSE;
      drupal_set_message(t('Sorry, you do not have permission to access this form.'), 'warning', FALSE);
      return;
    }
  }
  $enabled = webform_civicrm_enabled_fields($node);

  // Check if events are open to registration and take appropriate action
  $events = array();
  $reg = webform_civicrm_aval($data, 'reg_options', array());
  if (!empty($data['participant_reg_type'])) {

    // Fetch events set in back-end
    $data += array(
      'participant' => array(),
    );
    foreach ($data['participant'] as $e => $par) {
      if (!empty($par['participant'])) {
        foreach ($par['participant'] as $n => $p) {
          if (!empty($p['event_id'])) {

            // Handle multi-valued event selection
            foreach ((array) $p['event_id'] as $eid) {
              if ($eid = (int) $eid) {
                $events[$eid]['ended'] = TRUE;
                $events[$eid]['title'] = t('this event');
                $events[$eid]['count'] = webform_civicrm_aval($events, "{$eid}:count", 0) + 1;
                $events[$eid]['form'][] = array(
                  'contact' => $e,
                  'num' => $n,
                  'eid' => NULL,
                );
              }
            }
          }
        }
      }
    }

    // Add events exposed to the form
    foreach ($enabled as $field => $fid) {
      if (strpos($field, 'participant_event_id')) {
        $options = webform_civicrm_str2array(webform_civicrm_aval($node->webform['components'][$fid], 'extra:items'));
        foreach ($options as $p => $label) {
          list($eid) = explode('-', $p);
          $events[$eid]['ended'] = TRUE;
          $events[$eid]['title'] = $label;
          list(, $e, , $n) = explode('_', $field);
          $events[$eid]['form'][] = array(
            'contact' => $e,
            'num' => $n,
            'eid' => $p,
          );
        }
      }
    }
    if ($events && (!empty($reg['show_remaining']) || !empty($reg['block_form']))) {
      webform_civicrm_event_info($events);
      foreach ($events as $eid => $event) {
        if ($event['ended']) {
          if (!empty($reg['show_remaining']) && empty($form_state[WEBFORM_CIVICRM_FAPI_INPUT]) && empty($form_state['storage'])) {
            drupal_set_message(t('Sorry, %event has ended.', array(
              '%event' => $event['title'],
            )), 'warning', FALSE);
          }
        }
        elseif ($event['full']) {
          if (!empty($reg['show_remaining']) && empty($form_state[WEBFORM_CIVICRM_FAPI_INPUT]) && empty($form_state['storage'])) {
            drupal_set_message('<em>' . $event['title'] . '</em>: ' . $event['full_message'], 'warning', FALSE);
          }
        }
        else {
          $reg['block_form'] = FALSE;
          if ($event['max_participants'] && empty($form_state[WEBFORM_CIVICRM_FAPI_INPUT]) && empty($form_state['storage']) && ($reg['show_remaining'] == 'always' || intval($reg['show_remaining']) >= $event['remaining'])) {
            drupal_set_message(format_plural($event['remaining'], '%event has 1 remaining space.', '%event has @count remaining spaces.', array(
              '%event' => $event['title'],
            )), 'status', FALSE);
          }
        }
      }
      if ($reg['block_form']) {
        $form['submitted']['#access'] = $form['actions']['#access'] = FALSE;
        return;
      }
    }
  }

  // Form alterations for known contacts
  $count = count($data['contact']);
  foreach ($data['contact'] as $c => $contact) {
    $info['contact'][$c] = array();
    $cid = 0;
    if (!empty($id['cid'][$c])) {
      $cid = $id['cid'][$c];
    }
    elseif ($contact['contact'][1]['contact_type'] == 'organization') {

      // Populate "current_employer" without setting it in $id
      // (this allows the user to change their current employer on the form)
      $employee = 0;
      for ($i = $c; $i <= $count; ++$i) {
        $con = $data['contact'][$i];
        if (!empty($con['relationship']) && ($con['contact'][1]['contact_type'] == 'individual' && !empty($id['cid'][$i]) || $i == $c)) {
          foreach ($con['relationship'] as $target => $rel) {
            if (webform_civicrm_aval($rel, 'relationship_type_id') == 'ce_b' && !empty($id['cid'][$target])) {
              $employee = $id['cid'][$target];
            }
            elseif (webform_civicrm_aval($rel, 'relationship_type_id') == 'ce_a' && $target == $c) {
              $employee = $id['cid'][$i];
            }
            if ($employee) {
              $result = webform_civicrm_api('contact', 'get', array(
                'contact_id' => $employee,
                'return.current_employer_id' => 1,
              ));
              if (!empty($result['values'][$employee]['current_employer_id'])) {
                $cid = $result['values'][$employee]['current_employer_id'];
                break;
              }
              else {
                $employee = 0;
              }
            }
          }
        }
      }
    }
    if (!$cid) {
      continue;
    }
    foreach (array(
      'contact',
      'address',
      'email',
      'phone',
      'website',
    ) as $field) {
      if (!empty($contact['number_of_' . $field]) || $field == 'contact') {
        $params = array(
          'contact_id' => $cid,
        );
        if ($field != 'contact') {
          $params['options'] = array(
            'sort' => 'is_primary DESC',
          );
        }
        $result = webform_civicrm_api($field, 'get', $params);
        if (!empty($result['values'])) {
          $result = array_merge(array(
            0,
          ), array_values($result['values']));
          unset($result[0]);
          if ($field == 'contact') {

            // Privacy fields
            foreach (array_keys(webform_civicrm_get_options('privacy')) as $key) {
              if (!empty($result[1][$key])) {
                $result[1]['privacy'][] = $key;
              }
            }
          }

          // Extra processing for addresses
          if ($field == 'address') {
            foreach ($result as &$address) {

              // Translate to abbr
              if (!empty($address['state_province_id'])) {
                $address['state_province_id'] = webform_civicrm_state_abbr($address['state_province_id']);
              }

              // Load custom data
              $custom = webform_civicrm_get_custom($address['id'], 'address');
              if (!empty($custom['address'])) {
                $address = $address + $custom['address'][1];
              }
            }
          }
          $info['contact'][$c][$field] = $result;
        }
      }
    }

    // Get custom contact data if needed
    foreach ($contact as $k => $v) {
      if (substr($k, 0, 12) == 'number_of_cg' && !empty($v)) {
        $custom = webform_civicrm_get_custom($cid);
        $info['contact'][$c] = $info['contact'][$c] + $custom;
        break;
      }
    }

    // Communication prefs are not fetched by default by the api
    if (isset($enabled['civicrm_' . $c . '_contact_1_contact_preferred_communication_method']) || isset($enabled['civicrm_' . $c . '_contact_1_contact_preferred_language'])) {
      $result = webform_civicrm_api('contact', 'get', array(
        'contact_id' => $cid,
        'return.preferred_communication_method' => 1,
        'return.preferred_language' => 1,
      ));
      $info['contact'][$c]['contact'][1] += $result['values'][$cid];
    }

    // Retrieve group and tag data
    $field = 'civicrm_' . $c . '_contact_1_other_';
    foreach (array(
      'tag' => 'entity_tag',
      'group' => 'group_contact',
    ) as $ent => $api) {
      if (isset($enabled['civicrm_' . $c . '_contact_1_other_' . $ent])) {

        // Add entity table param to workaround a bug in 4.1.0 api
        $result = webform_civicrm_api($api, 'get', array(
          'contact_id' => $cid,
          'entity_table' => 'civicrm_contact',
        ));
        foreach (webform_civicrm_aval($result, 'values') as $val) {
          $info['contact'][$c]['other'][1][$ent][] = $val[$ent . '_id'];
        }
      }
    }

    // Retrieve participant data
    if ($events && ($c == 1 || $data['participant_reg_type'] == 'separate')) {
      $select = array(
        'id',
        'event_id',
        'role_id',
        'status_id',
      );
      if (in_array('CiviCampaign', $config->enableComponents, TRUE)) {
        $select[] = 'campaign_id';
      }
      $dao =& CRM_Core_DAO::executeQuery('SELECT ' . implode(',', $select) . " FROM civicrm_participant WHERE contact_id = {$cid} AND event_id IN (" . implode(',', array_keys($events)) . ") AND status_id IN (SELECT id FROM civicrm_participant_status_type WHERE class <> 'Negative')");
      while ($dao
        ->fetch()) {
        $par = array();
        foreach ($select as $sel) {
          $par['participant'][1][$sel] = $dao->{$sel};
        }
        $par += webform_civicrm_get_custom($dao->id, 'Participant');
        foreach ($events[$dao->event_id]['form'] as $event) {
          if ($event['contact'] == $c) {
            $n = $event['contact'];
            $i = $event['num'];

            // Support multi-valued form elements
            $event_ids = webform_civicrm_aval($info, "participant:{$n}:participant:{$i}:event_id", array());
            if ($event['eid']) {
              $event_ids[] = $event['eid'];
            }
            foreach ($par as $k => $v) {
              $info['participant'][$n][$k][$i] = $v[1];
            }
            $info['participant'][$n]['participant'][$i]['event_id'] = $event_ids;
          }
        }
      }
    }
  }
  if (!empty($id['cid'][1])) {
    if ($settings['prefix_known']) {
      $form['#prefix'] = webform_civicrm_aval($form, '#prefix', '') . '<div class="webform-civicrm-prefix contact-known">' . nl2br(webform_civicrm_replace_tokens($settings['prefix_known'], $info['contact'][1]['contact'][1])) . '</div>';
    }
    if ($settings['message'] && empty($form_state[WEBFORM_CIVICRM_FAPI_INPUT]) && empty($form_state['storage'])) {
      webform_civicrm_set_message($settings['message'], $info['contact'][1]['contact'][1]);
    }
  }

  // Store ids
  $form_state['storage']['civicrm']['id'] = $id;

  // Set default values and other attributes for CiviCRM form elements
  // Passing $submitted helps avoid overwriting values that have been entered on a multi-step form
  $submitted = webform_civicrm_aval($form_state, 'values:submitted', array());
  webform_civicrm_fill_values($form['submitted'], $info, $fields, $submitted);
}

/**
 * Recursively walk through form array and set default values for fields based on CiviCRM entity data
 * Called by _webform_civicrm_webform_frontend_form_alter() when webform is being viewed
 * @Param $elements: FAPI array
 * @Param $data: Array of CiviCRM data
 */
function webform_civicrm_fill_values(&$elements, $data, $fields, $submitted) {
  $sp = CRM_Core_DAO::VALUE_SEPARATOR;
  foreach ($elements as $eid => &$element) {
    if ($eid[0] == '#' || !is_array($element)) {
      continue;
    }

    // Recurse through nested elements
    webform_civicrm_fill_values($element, $data, $fields, $submitted);
    if (empty($element['#type']) || $element['#type'] == 'fieldset' || $element['#type'] == 'file') {
      continue;
    }
    if ($pieces = webform_civicrm_explode_key($eid)) {
      list($lobo, $c, $ent, $n, $table, $name) = $pieces;
      if ($field = webform_civicrm_aval($fields, $table . '_' . $name)) {
        if (!empty($field['data_type'])) {
          $dt = $element['#civicrm_data_type'] = $field['data_type'];

          // Add CiviCRM JS to link fields
          if ($dt == 'Link' && substr($element['#type'], 0, 4) == 'text') {
            $element['#attributes']['onblur'] = "if (this.value == 'http://') {this.value = '';}";
            $element['#attributes']['onfocus'] = "if (this.value == '') {this.value = 'http://';}";
          }
        }

        // If the user has already entered a value for this field, don't change it
        if (isset($data[$ent][$c][$table][$n][$name]) && !(isset($element['#webform_component']['cid']) && isset($submitted[$element['#webform_component']['cid']]))) {
          $val = $data[$ent][$c][$table][$n][$name];
          if ($element['#type'] == 'date') {
            $date = strtotime($val);
            $val = array(
              'year' => (int) date('Y', $date),
              'month' => (int) date('m', $date),
              'day' => (int) date('d', $date),
            );
          }
          elseif (($element['#type'] == 'checkboxes' || !empty($element['#multiple'])) && !is_array($val)) {
            $val = explode($sp, trim($val, $sp));
          }
          if ($element['#type'] != 'checkboxes' && $element['#type'] != 'date' && empty($element['#multiple']) && is_array($val)) {
            $val = array_pop($val);
          }
          if ($element['#type'] == 'hidden') {
            $element['#value'] = $val;
          }
          $element['#default_value'] = $val;
        }
      }
    }
  }
}

/**
 * Webform submission handler
 * Create/update CiviCRM contacts and related data
 * Called by presave, insert and update webform hooks
 * @param $op: Which hook is being called
 */
function webform_civicrm_process_submission($node, &$submission, $op) {
  static $data = array();
  static $id = array();
  static $update = array();
  $settings = $node->webform_civicrm;
  require_once 'CRM/Core/BAO/Setting.php';

  // Presave processing - save contact data
  if ($op == 'presave') {
    civicrm_initialize();
    $config = CRM_Core_Config::singleton();
    require_once 'CRM/Core/BAO/CustomValueTable.php';
    $enabled = webform_civicrm_enabled_fields($node);
    $fields = webform_civicrm_get_fields();
    $data = $settings['data'];
    $sets = webform_civicrm_get_fields('sets');
    $sp = CRM_Core_DAO::VALUE_SEPARATOR;
    $shared_address = array();

    // Retrieve stored ids
    $id = $updating = webform_civicrm_aval(webform_civicrm_storage($node->nid), 'id');

    // If this is an update op, set param for drupal_write_record()
    if (!empty($submission->sid)) {
      $submitted = array(
        $submission->sid => new stdClass(),
      );
      webform_civicrm_webform_submission_load($submitted);
      if (isset($submitted[$submission->sid]->civicrm)) {
        $update = 'sid';
      }
    }

    // While saving a draft, just skip to the end and write the record
    if (!empty($submission->is_draft)) {
      return;
    }

    // Fill entity arrays with field values
    $contact_ref = array();
    foreach ($enabled as $field_key => $fid) {
      if (isset($submission->data[$fid]['value'])) {
        list($lobo, $c, $ent, $n, $table, $name) = explode('_', $field_key, 6);
        $field = $fields[$table . '_' . $name];
        $val = $submission->data[$fid]['value'];
        if ($name === 'privacy') {
          foreach (array_keys(webform_civicrm_str2array($node->webform['components'][$fid]['extra']['items'])) as $key) {
            $data[$ent][$c][$table][$n][$key] = in_array($key, $val);
          }
          continue;
        }
        if (!empty($field['extra']['multiple'])) {
          if (!empty($data[$ent][$c][$table][$n][$name]) && is_array($data[$ent][$c][$table][$n][$name])) {
            $val = array_unique(array_merge($val, $data[$ent][$c][$table][$n][$name]));
          }
          if ($table !== 'other' && $name !== 'event_id') {
            $val = $sp . implode($sp, $val) . $sp;
          }
        }
        elseif ($name === 'image_URL') {
          if (empty($val[0]) || !($val = webform_civicrm_filepath($val[0]))) {
            continue;
          }
        }
        elseif ($field['type'] === 'date') {
          $val = empty($val[0]) ? '' : str_replace('-', '', $val[0]);
        }
        elseif ($name !== 'event_id') {
          $val = isset($val[0]) ? $val[0] : '';
        }

        // ContactRef from webform contacts must wait until contact IDs have been processed
        if (webform_civicrm_aval($field, 'data_type') === 'ContactReference' && $val && $val[0] === '#') {
          $contact_ref[$field_key] = substr($val, 1);
        }
        elseif ($val !== '' && $val !== NULL || !empty($updating['cid'][$c])) {
          $data[$ent][$c][$table][$n][$name] = $val;
        }
      }
    }

    // Hack for activity assignee contactRef set in back-end
    if ($val = webform_civicrm_aval($data, 'activity:1:activity:1:assignee_contact_id') && $val[0] === '#') {
      $contact_ref['civicrm_1_activity_1_activity_assignee_contact_id'] = substr($val, 1);
    }

    // Create/update contacts
    foreach ($data['contact'] as $c => $contact) {
      if (empty($id['cid'][$c])) {

        // Don't create contact if we don't have a name or email
        if (empty($contact['contact'][1]['first_name']) && empty($contact['contact'][1]['last_name']) && empty($contact['contact'][1]['organization_name']) && empty($contact['contact'][1]['legal_name']) && empty($contact['contact'][1]['household_name']) && empty($contact['email'][1]['email'])) {
          $id['cid'][$c] = 0;
          continue;
        }

        // Search for an existing contact using default strict rule
        require_once 'CRM/Dedupe/Finder.php';
        $params = array(
          'check_permission' => FALSE,
        );
        foreach ($contact as $table => $field) {
          if (is_array($field) && !empty($field[1])) {
            if (substr($table, 0, 2) == 'cg') {

              //TODO pass custom data to deduper
            }
            elseif ($table == 'address' && !empty($field[1]['master_id'])) {
              $m = $field[1]['master_id'];

              // If master address is exposed to the form, use it
              if (!empty($contact[$m]['address'][1])) {
                $params['civicrm_address'] = $contact[$m]['address'][1];
              }
              elseif (!empty($updating['cid'][$m])) {
                $masters = webform_civicrm_api('address', 'get', array(
                  'contact_id' => $id['cid'][$m],
                  'options' => array(
                    'sort' => 'is_primary DESC',
                  ),
                ));
                if (!empty($masters['values'])) {
                  $params['civicrm_address'] = array_shift($masters['values']);
                }
              }
            }
            elseif (in_array($table, array(
              'contact',
              'address',
              'email',
              'phone',
              'website',
            ))) {
              $params['civicrm_' . $table] = $field[1];
            }
          }
        }
        if ($dupes = CRM_Dedupe_Finder::dupesByParams($params, ucfirst($contact['contact'][1]['contact_type']))) {
          $id['cid'][$c] = $dupes[0];
        }
      }
      $params = $contact['contact'][1];
      $params['contact_type'] = ucfirst($params['contact_type']);
      if (empty($params['contact_sub_type'])) {
        unset($params['contact_sub_type']);
      }

      // Create new contact
      if (empty($id['cid'][$c])) {
        unset($params['contact_id']);
        $params['source'] = $settings['new_contact_source'];
        $result = webform_civicrm_api('contact', 'create', $params);
        if (!empty($result['id'])) {
          $id['cid'][$c] = $result['id'];
        }
        else {
          $id['cid'][$c] = 0;
        }
      }
      else {
        $params['contact_id'] = $id['cid'][$c];
        $result = webform_civicrm_api('contact', 'create', $params);
      }
    }

    // Fill ContactRef fields with contact IDs
    foreach ($contact_ref as $key => $val) {
      if (!empty($id['cid'][$val])) {
        list($lobo, $c, $ent, $n, $table, $name) = explode('_', $key, 6);
        $data[$ent][$c][$table][$n][$name] = $id['cid'][$val];
      }
    }

    // Create/update other data associated with contacts
    foreach ($data['contact'] as $c => $contact) {
      if (!($cid = $id['cid'][$c])) {
        continue;
      }
      webform_civicrm_save_custom($contact, $cid);

      // Fill values for hidden ID & CS fields
      $fid = 'civicrm_' . $c . '_contact_1_contact_';
      if (!empty($enabled[$fid . 'contact_id'])) {
        $submission->data[$enabled[$fid . 'contact_id']]['value'] = array(
          $cid,
        );
      }
      if (!empty($enabled[$fid . 'external_identifier']) && !empty($updating['cid'][$c])) {
        $exid = webform_civicrm_api('contact', 'get', array(
          'contact_id' => $cid,
          'return.external_identifier' => 1,
        ));
        $submission->data[$enabled[$fid . 'external_identifier']]['value'] = array(
          webform_civicrm_aval($exid, "values:{$cid}:external_identifier"),
        );
      }
      if (!empty($enabled[$fid . 'cs'])) {
        if (empty($params['cs'])) {
          $life = 'inf';
        }
        else {
          $life = intval(24 * $params['cs']);
        }
        require_once 'CRM/Contact/BAO/Contact/Utils.php';
        $cs = CRM_Contact_BAO_Contact_Utils::generateChecksum($cid, NULL, $life);
        $submission->data[$enabled[$fid . 'cs']]['value'] = array(
          $cs,
        );
      }

      // Save location data
      foreach (array(
        'address',
        'email',
        'phone',
        'website',
      ) as $location) {
        if (!empty($contact[$location])) {
          $existing = array();
          $result = webform_civicrm_api($location, 'get', array(
            'contact_id' => $cid,
            'options' => array(
              'sort' => 'is_primary DESC',
            ),
          ));
          if (!empty($result['values'])) {

            // start array index at 1
            $existing = array_merge(array(
              array(),
            ), $result['values']);
          }
          foreach ($contact[$location] as $i => $params) {

            // Translate state/prov abbr to id
            if (!empty($params['state_province_id'])) {
              if (!($params['state_province_id'] = webform_civicrm_state_abbr($params['state_province_id'], 'id', webform_civicrm_aval($params, 'country_id', $config->defaultContactCountry)))) {
                $params['state_province_id'] = '';
              }
            }

            // Check if anything was changed, else skip the update
            if (!empty($existing[$i])) {
              $same = TRUE;
              foreach ($params as $param => $val) {
                if ($val != (string) webform_civicrm_aval($existing[$i], $param, '')) {
                  $same = FALSE;
                }
              }
              if ($same) {
                continue;
              }
            }
            $empty = FALSE;
            if ($location == 'address') {

              // Check if nothing was entered for address
              $empty = empty($params['street_address']) && empty($params['city']) && empty($params['state_province_id']) && empty($params['country_id']) && empty($params['postal_code']) && empty($params['master_id']);

              // Store shared addresses for later since we haven't necessarily processed
              // the contact this address is shared with yet.
              if (!empty($params['master_id'])) {
                $shared_address[$cid][$i] = array(
                  'id' => !empty($existing[$i]) ? $existing[$i]['id'] : NULL,
                  'mc' => $params['master_id'],
                  'loc' => $params['location_type_id'],
                );
                continue;
              }

              // Reset calculated values when updating an address
              $params['master_id'] = $params['geo_code_1'] = $params['geo_code_2'] = 'null';
            }
            elseif ($location == 'website') {
              $empty = empty($params['url']);
            }
            elseif (empty($params[$location])) {
              $empty = TRUE;
            }
            elseif ($location == 'email' && $i == 1 && ($uid = webform_civicrm_user_cid($cid, 'contact'))) {

              // Update drupal email address
              $user = user_load($uid);
              if ($params['email'] != $user->mail) {
                user_save($user, array(
                  'mail' => $params['email'],
                ));
              }
            }
            $params['contact_id'] = $cid;
            if (!empty($existing[$i])) {
              $params['id'] = $existing[$i]['id'];
            }
            if ($empty) {

              // Delete this location if nothing was entered and this is a known contact
              if (!empty($updating['cid'][$c]) && !empty($params['id'])) {
                webform_civicrm_api($location, 'delete', $params);
              }
              continue;
            }
            if ($location != 'website' && empty($params['location_type_id'])) {
              $params['location_type_id'] = webform_civicrm_aval($existing, $i . ':location_type_id', 1);
            }
            $params['is_primary'] = $i == 1 ? 1 : 0;
            $result = webform_civicrm_api($location, 'create', $params);
            if ($location == 'address' && empty($result['is_error'])) {

              // Process custom data for address
              $custom = array();
              foreach ($params as $param => $val) {
                if (strpos($param, 'custom_') !== FALSE) {
                  $custom[$param] = $val;
                }
              }
              if ($custom) {
                $custom['entityID'] = $result['id'];
                CRM_Core_BAO_CustomValueTable::setValues($custom);
              }
            }
          }
        }
      }

      // Process Relationships
      if (!empty($contact['relationship'])) {
        foreach ($contact['relationship'] as $i => $params) {
          if (!empty($params['relationship_type_id']) && !empty($id['cid'][$i])) {
            list($type, $a_b) = explode('_', $params['relationship_type_id']);
            $b_a = $a_b == 'a' ? 'b' : 'a';
            $params['contact_id_' . $a_b] = $cid;
            $params['contact_id_' . $b_a] = $id['cid'][$i];
            if ($type == 'ce') {
              foreach (webform_civicrm_get_relationship_types() as $t) {
                if ($t['name_a_b'] == 'Employee of' && $t['name_b_a'] == 'Employer of' && $t['id'] != 'ce') {
                  $type = $t['id'];
                  break;
                }
              }
              webform_civicrm_api('contact', 'create', array(
                'contact_id' => $params['contact_id_a'],
                'employer_id' => $params['contact_id_b'],
                'contact_type' => 'Individual',
              ));
            }
            $params['relationship_type_id'] = $type;
            if ($perm = webform_civicrm_aval($params, 'relationship_permission')) {
              $params['is_permission_a_b'] = $params['is_permission_b_a'] = $perm == 3 ? 1 : 0;
              if ($perm == 1 || $perm == 2) {
                $params['is_permission_' . ($perm == 1 ? $a_b . '_' . $b_a : $b_a . '_' . $a_b)] = 1;
              }
            }
            unset($params['relationship_permission']);
            webform_civicrm_api('relationship', 'create', $params);
          }
        }
      }

      // Process groups & tags
      $field = 'civicrm_' . $c . '_contact_1_other_';
      foreach (array(
        'group',
        'tag',
      ) as $type) {
        if (!empty($contact['other'][1][$type]) || isset($enabled[$field . $type])) {
          $fid = webform_civicrm_aval($enabled, $field . $type, 0);
          $add = webform_civicrm_aval($contact, "other:1:{$type}", array());
          $remove = empty($updating['cid'][$c]) ? array() : webform_civicrm_remove_fields($node, $fid, $add);
          webform_civicrm_add_remove($type, 'contact', $node, $cid, $add, $remove);
        }
      }

      // Process event participation
      if (in_array('CiviEvent', $config->enableComponents, TRUE) && !empty($data['participant_reg_type'])) {
        $n = $data['participant_reg_type'] == 'separate' ? $c : 1;
        if ($p = webform_civicrm_aval($data, "participant:{$n}:participant")) {

          // Fetch existing participant records
          $existing = array();
          $dao =& CRM_CORE_DAO::executeQuery("SELECT id, event_id FROM civicrm_participant WHERE contact_id = {$cid} AND is_test = 0");
          while ($dao
            ->fetch()) {
            $existing[$dao->event_id] = $dao->id;
          }
          foreach ($p as $e => $params) {
            $remove = array();
            if ($fid = webform_civicrm_aval($enabled, 'civicrm_' . $c . '_participant_' . $e . '_participant_event_id')) {
              foreach (webform_civicrm_str2array($node->webform['components'][$fid]['extra']['items']) as $eid => $title) {
                list($eid) = explode('-', $eid);
                if (isset($existing[$eid])) {
                  $remove[$eid] = $title;
                }
              }
            }
            if (!empty($params['event_id'])) {

              // Loop through event ids to support multi-valued form elements
              $events = (array) $params['event_id'];
              foreach ($events as $i => $eid) {
                if (!empty($eid)) {
                  $params['contact_id'] = $cid;
                  list($eid) = explode('-', $eid);
                  $params['event_id'] = $eid;
                  unset($remove[$eid]);
                  if (empty($params['campaign_id']) || !in_array('CiviCampaign', $config->enableComponents, TRUE)) {
                    unset($params['campaign_id']);
                  }

                  // Is existing participant?
                  if (!empty($existing[$eid])) {
                    $params['id'] = $existing[$params['event_id']];
                  }
                  else {
                    $params['source'] = check_plain($node->title);
                    if ($c > 1 && !empty($registered_by_id[$e][$i])) {
                      $params['registered_by_id'] = $registered_by_id[$e][$i];
                    }
                  }
                  $result = webform_civicrm_api('participant', 'create', $params);
                  if ($c == 1 && $data['participant_reg_type'] == 'all') {
                    $registered_by_id[$e][$i] = $result['id'];
                  }

                  // Reformat custom data from nested arrays
                  $custom = array();
                  foreach ($data['participant'][$n] as $key => $vals) {
                    if (substr($key, 0, 2) == 'cg' && isset($vals[$e])) {
                      $custom[$key][1] = $vals[$e];
                    }
                  }
                  if ($custom) {
                    webform_civicrm_save_custom($custom, $result['id'], 'Participant');
                  }
                }
              }
            }
            foreach ($remove as $eid => $title) {
              webform_civicrm_api('participant', 'create', array(
                'status_id' => 4,
                'id' => $existing[$eid],
              ));
              drupal_set_message(t('Registration canceled for !event', array(
                '!event' => $title,
              )));
            }
          }
        }
      }
    }

    // Process shared addresses. We do this last after all contacts and addresses exist.
    foreach ($shared_address as $cid => $shared) {
      foreach ($shared as $i => $addr) {
        if (!empty($id['cid'][$addr['mc']])) {
          $masters = webform_civicrm_api('address', 'get', array(
            'contact_id' => $id['cid'][$addr['mc']],
            'options' => array(
              'sort' => 'is_primary DESC',
            ),
          ));
          if (!empty($masters['values'])) {
            $masters = array_values($masters['values']);

            // Pick the address with the same location type; default to primary.
            $params = $masters[0];
            foreach ($masters as $m) {
              if ($m['location_type_id'] == $addr['loc']) {
                $params = $m;
                break;
              }
            }
            $params['master_id'] = $params['id'];
            $params['id'] = $addr['id'];
            $params['contact_id'] = $cid;
            $params['is_primary'] = $i == 1;
            webform_civicrm_api('address', 'create', $params);
          }
        }
      }
    }
  }
  elseif (empty($submission->is_draft)) {
    $config = CRM_Core_Config::singleton();

    // Open new case if needed.
    if (empty($id['case'][1]) && empty($id['act'][1]) && !empty($data['case'][1]) && !empty($id['cid'][1])) {
      $data['case'][1]['case'][1]['contact_id'] = $id['cid'][1];
      $result = webform_civicrm_api('case', 'create', $data['case'][1]['case'][1]);
      if (!empty($result['values']['id'])) {
        webform_civicrm_save_custom($data['case'][1], $result['values']['id'], 'Case');
        $id['case'][1] = $result['values']['id'];
        $id['act'][1] = webform_civicrm_activity_find(array(
          'contact_id' => $id['cid'][1],
          'activity_type_id' => $data['activity'][1]['activity'][1]['activity_type_id'],
          'status_id' => $data['activity'][1]['existing_activity_status'],
          'case_id' => $id['case'][1],
        ));
      }
    }
    if (!empty($data['activity'][1])) {
      $params = $data['activity'][1]['activity'][1];
      $params['activity_date_time'] = date('YmdHis');
      if ($cid = webform_civicrm_user_cid()) {
        $params['source_contact_id'] = $cid;
      }
      else {
        foreach ($id['cid'] as $cid) {
          if ($cid) {
            $params['source_contact_id'] = $cid;
            break;
          }
        }
      }
      $params['target_contact_id'] = array();
      foreach ($data['contact'] as $c => $contact) {
        if (!empty($contact['activity_target']) && !empty($id['cid'][$c])) {
          $params['target_contact_id'][$id['cid'][$c]] = $id['cid'][$c];
        }
      }
      if (empty($params['assignee_contact_id'])) {
        unset($params['assignee_contact_id']);
      }

      // Format details as html
      $params['details'] = nl2br(webform_civicrm_aval($params, 'details', ''));
      if (empty($params['subject'])) {
        $params['subject'] = $settings['data']['activity'][1]['activity'][1]['subject'];
      }
      if (!empty($data['activity'][1]['details']['entire_result'])) {
        module_load_include('inc', 'webform', 'includes/webform.submissions');
        $params['details'] .= webform_submission_render($node, $submission, NULL, 'html');
      }
      if (!empty($data['activity'][1]['details']['view_link'])) {
        $params['details'] .= '<p>' . l(t('View Webform Submission'), 'node/' . $node->nid . '/submission/' . $submission->sid, array(
          'absolute' => TRUE,
          'alias' => TRUE,
        )) . '</p>';
      }
      if (!empty($data['activity'][1]['details']['edit_link'])) {
        $params['details'] .= '<p>' . l(t('Edit Submission'), 'node/' . $node->nid . '/submission/' . $submission->sid . '/edit', array(
          'absolute' => TRUE,
          'alias' => TRUE,
        )) . '</p>';
      }
      if (!empty($id['act'][1])) {
        $params['id'] = $id['act'][1];
      }
      elseif (!empty($id['case'][1])) {
        $params['case_id'] = $id['case'][1];
        $params['medium_id'] = $data['case'][1]['case'][1]['medium_id'];
      }
      if (empty($params['campaign_id']) || !in_array('CiviCampaign', $config->enableComponents, TRUE)) {
        unset($params['campaign_id']);
      }
      $result = webform_civicrm_api('activity', 'create', $params);
      if (!empty($result['id'])) {
        $id['act'][1] = $result['id'];
        webform_civicrm_save_custom($data['activity'][1], $id['act'][1], 'Activity');
      }
      if (!empty($id['act'][1]) && !empty($params['assignee_contact_id']) && CRM_Core_BAO_Setting::getItem(CRM_Core_BAO_Setting::SYSTEM_PREFERENCES_NAME, 'activity_assignee_notification')) {

        // Send email to assignees. TODO: Move to CiviCRM API?
        $assignee = webform_civicrm_api('contact', 'get', array(
          'id' => $params['assignee_contact_id'],
        ));
        $assignee = webform_civicrm_aval($assignee, 'values:' . $params['assignee_contact_id']);
        if (!empty($assignee['email'])) {
          $mail = array(
            $assignee['email'] => $assignee,
          );

          //include attachments while sendig a copy of activity.
          require_once 'CRM/Core/BAO/File.php';
          $attachments =& CRM_Core_BAO_File::getEntityFile('civicrm_activity', $id['act'][1]);
          require_once 'CRM/Case/BAO/Case.php';
          $result = CRM_Case_BAO_Case::sendActivityCopy(NULL, $id['act'][1], $mail, $attachments, NULL);
        }
      }
    }
  }

  // Write record; we do this when creating, updating, or saving a draft of a webform submission.
  if ($op != 'presave') {
    $cid = '-';
    foreach (array_keys($data['contact']) as $c) {
      $cid .= (empty($id['cid'][$c]) ? 0 : $id['cid'][$c]) . '-';
    }
    $record = array(
      'sid' => $submission->sid,
      'contact_id' => $cid,
      'activity_id' => empty($id['act'][1]) ? 0 : $id['act'][1],
    );
    drupal_write_record('webform_civicrm_submissions', $record, $update);
  }
}

/**
 * Handle adding/removing multivalued data for a contact/activity/etc.
 * Currently used only for groups and tags, but written with expansion in mind.
 */
function webform_civicrm_add_remove($data_type, $entity_type, $node, $id, $add, $remove = array()) {
  $confirmations_sent = $existing = $params = array();
  $add = drupal_map_assoc($add);
  static $mailing_lists = array();
  switch ($data_type) {
    case 'group':
      $api = 'group_contact';
      break;
    case 'tag':
      $api = 'entity_tag';
      break;
    default:
      $api = $data_type;
  }
  if (!empty($add) || !empty($remove)) {

    // Retrieve current records for this entity
    if ($entity_type == 'contact') {
      $params['contact_id'] = $id;
    }
    else {
      $params['entity_id'] = $id;
      $params['entity_type'] = 'civicrm_' . $entity_type;
    }
    $fetch = webform_civicrm_api($api, 'get', $params);
    foreach (webform_civicrm_aval($fetch, 'values', array()) as $i) {
      $existing[] = $i[$data_type . '_id'];
      unset($add[$i[$data_type . '_id']]);
    }
    foreach ($remove as $i => $name) {
      if (!in_array($i, $existing)) {
        unset($remove[$i]);
      }
    }
  }
  if (!empty($add)) {

    // Prepare for sending subscription confirmations
    if ($data_type == 'group' && !empty($node->webform_civicrm['confirm_subscription'])) {

      // Retrieve this contact's primary email address and perform error-checking
      $result = webform_civicrm_api('email', 'get', array(
        'contact_id' => $id,
        'options' => array(
          'sort' => 'is_primary DESC',
        ),
      ));
      if (!empty($result['values'])) {
        foreach ($result['values'] as $value) {
          if (($value['is_primary'] || empty($email)) && strpos($value['email'], '@')) {
            $email = $value['email'];
          }
        }
        $mailer_params = array(
          'contact_id' => $id,
          'email' => $email,
        );
        if (empty($mailing_lists)) {
          $mailing_lists = webform_civicrm_get_options('mailing_lists');
        }
      }
    }
    foreach ($add as $a) {
      $params[$data_type . '_id'] = $mailer_params['group_id'] = $a;
      if ($data_type == 'group' && isset($mailing_lists[$a]) && !empty($email)) {
        $result = webform_civicrm_api('mailing_group', 'event_subscribe', $mailer_params);
        if (empty($result['is_error'])) {
          $confirmations_sent[] = check_plain($mailing_lists[$a]);
        }
        else {
          webform_civicrm_api($api, 'create', $params);
        }
      }
      else {
        webform_civicrm_api($api, 'create', $params);
      }
    }
    if ($confirmations_sent) {
      drupal_set_message(t('A message has been sent to %email to confirm subscription to !group.', array(
        '%email' => $email,
        '!group' => '<em>' . implode('</em> ' . t('and') . ' <em>', $confirmations_sent) . '</em>',
      )));
    }
  }

  // Remove data from entity
  foreach ($remove as $a => $name) {
    $params[$data_type . '_id'] = $a;
    webform_civicrm_api($api, 'delete', $params);
  }
  if (!empty($remove) && $data_type == 'group') {
    $display_name = webform_civicrm_api('contact', 'get', array(
      'contact_id' => $id,
      'return.display_name' => 1,
    ));
    $display_name = webform_civicrm_aval($display_name, "values:{$id}:display_name", t('Contact'));
    drupal_set_message(t('%contact has been removed from !group.', array(
      '%contact' => $display_name,
      '!group' => '<em>' . implode('</em> ' . t('and') . ' <em>', $remove) . '</em>',
    )));
  }
}

/**
 * Fields to remove.
 */
function webform_civicrm_remove_fields($node, $fid, $add) {
  if ($fid) {
    $remove = webform_civicrm_str2array($node->webform['components'][$fid]['extra']['items']);
    foreach ($add as $i) {
      unset($remove[$i]);
    }
    return $remove;
  }
  return array();
}

/**
 * Recursive validation callback for webform submissions.
 */
function _webform_civicrm_form_validate($form, &$form_state, $submitted) {

  // Recurse through form elements.
  foreach (element_children($form) as $key) {
    if (is_array($form[$key]) && ($element = $form[$key])) {
      _webform_civicrm_form_validate($form[$key], $form_state, $submitted);
      if (!empty($element['#civicrm_data_type']) && substr(webform_civicrm_aval($element, '#type', ''), 0, 4) === 'text' && $element['#value'] !== NULL && $element['#value'] !== '') {
        $dt = $element['#civicrm_data_type'];

        // Validate state/prov abbreviation
        if ($dt == 'state_province_abbr') {
          $ckey = str_replace('state_province', 'country', $key);
          if (!empty($submitted[$ckey]) && is_numeric($submitted[$ckey])) {
            $country_id = $submitted[$ckey];
          }
          else {
            $config = CRM_Core_Config::singleton();
            $country_id = $config->defaultContactCountry;
          }
          $states = webform_civicrm_get_options('state_province', $country_id);
          if ($states && !array_key_exists(strtoupper($element['#value']), $states)) {
            $countries = webform_civicrm_get_options('country');
            form_error($element, t('Mismatch: "@state" is not a state/province of %country. Please enter a valid state/province abbreviation for %field.', array(
              '@state' => $element['#value'],
              '%country' => $countries[$country_id],
              '%field' => $element['#title'],
            )));
          }
        }
        elseif ($dt !== 'String' && $dt !== 'Memo' && $dt !== 'File' && CRM_Utils_Type::escape($element['#value'], $dt, FALSE) === NULL) {

          // Allow data type names to be translated
          switch ($dt) {
            case 'Int':
              $dt = t('an integer');
              break;
            case 'Float':
              $dt = t('a number');
              break;
            case 'Link':
              $dt = t('a web address starting with http://');
              break;
            case 'Money':
              $dt = t('a currency value');
              break;
          }
          form_error($element, t('Please enter @type for %field.', array(
            '@type' => $dt,
            '%field' => $element['#title'],
          )));
        }
      }
    }
  }
}

/**
 * Validation callback for event registrations.
 */
function _webform_civicrm_participant_validate($form, &$form_state, $submitted) {
  $data = $form['#node']->webform_civicrm['data'];
  $cids = webform_civicrm_aval($form_state, 'storage:civicrm:id:cid', array());

  // Check how many valid contacts we have
  $contacts = array();
  foreach (array_keys($data['contact']) as $c) {
    if (!empty($cids[$c]) || !empty($submitted["civicrm_{$c}_contact_1_contact_first_name"]) || !empty($submitted["civicrm_{$c}_contact_1_contact_last_name"]) || !empty($submitted["civicrm_{$c}_contact_1_contact_organization_name"]) || !empty($submitted["civicrm_{$c}_contact_1_contact_household_name"]) || !empty($submitted["civicrm_{$c}_contact_1_email_email"])) {
      $contacts[] = $c;
    }
  }
  $events = array();
  $add = $data['participant_reg_type'] == 'all' ? count($contacts) : 1;

  // Fetch events set in back-end
  foreach ($data['participant'] as $c => $par) {
    if (!empty($par['participant']) && in_array($c, $contacts)) {
      foreach ($par['participant'] as $p) {
        if (!empty($p['event_id']) && $p['event_id'] != 'create_civicrm_webform_element') {
          list($eid) = explode('-', $p['event_id']);
          if (is_numeric($eid)) {
            $events[$eid]['ended'] = TRUE;
            $events[$eid]['title'] = t('this event');
            $events[$eid]['count'] = webform_civicrm_aval($events, "{$eid}:count", 0) + $add;
          }
        }
      }
    }
  }

  // Add events selected by user
  foreach ($submitted as $field => $value) {
    if (strpos($field, 'participant_event_id')) {
      list($lobo, $c, $ent, $n, $table, $key) = webform_civicrm_explode_key($field);
      if (in_array($c, $contacts) || $c == 1 && $data['participant_reg_type'] == 'all') {
        $value = is_array($value) ? $value : array(
          $value,
        );
        foreach ($value as $val) {
          $eid = explode('-', $val);
          if (count($eid) == 2 && is_numeric($eid[0]) && $eid[0]) {
            $eid = $eid[0];
            $events[$eid]['ended'] = TRUE;
            $events[$eid]['title'] = t('this event');
            $events[$eid]['count'] = webform_civicrm_aval($events, "{$eid}:count", 0) + $add;
          }
        }
      }
    }
  }

  // Subtract events already registered for - this only works with known contacts
  if ($events && $cids) {
    $dao =& CRM_Core_DAO::executeQuery("SELECT event_id\n      FROM civicrm_participant p, civicrm_participant_status_type s\n      WHERE s.id = p.status_id AND s.is_counted = 1\n      AND event_id IN (" . implode(',', array_keys($events)) . ")\n      AND contact_id IN (" . implode(',', $cids) . ")\n      AND is_test = 0");
    while ($dao
      ->fetch()) {
      if (isset($events[$dao->event_id])) {
        if (--$events[$dao->event_id]['count'] === 0) {
          unset($events[$dao->event_id]);
        }
      }
    }
  }
  webform_civicrm_event_info($events);
  foreach ($events as $eid => $event) {
    if ($event['ended']) {
      form_set_error($eid, t('Sorry, you can no longer register for %event.', array(
        '%event' => $event['title'],
      )));
    }
    elseif ($event['max_participants'] && $event['count'] > $event['remaining']) {
      if (!empty($event['full'])) {
        form_set_error($eid, '<em>' . $event['title'] . '</em>: ' . $event['full_message']);
      }
      else {
        form_set_error($eid, format_plural($event['remaining'], 'Sorry, you tried to register !count people for %event but there is only 1 space remaining.', 'Sorry, you tried to register !count people for %event but there are only @count spaces remaining.', array(
          '%event' => $event['title'],
          '!count' => $event['count'],
        )));
      }
    }
  }
}

/**
 * Displays the admin-defined message with "not you?" link to known contacts
 */
function webform_civicrm_set_message($message, $contact) {
  $message = webform_civicrm_replace_tokens($message, $contact);
  preg_match_all('#\\{([^}]+)\\}#', $message, $matches);
  if (!empty($matches[0])) {
    $q = $_GET;
    unset($q['q'], $q['cs'], $q['cid'], $q['cid1']);
    if (empty($_GET['cid']) && empty($_GET['cid1'])) {
      $q['cid1'] = 0;
    }
    foreach ($matches[0] as $pos => $match) {
      $link = l($matches[1][$pos], $_GET['q'], array(
        'query' => $q,
        'alias' => TRUE,
      ));
      $message = str_replace($match, $link, $message);
    }
  }
  drupal_set_message($message);
}

Functions

Namesort descending Description
webform_civicrm_add_remove Handle adding/removing multivalued data for a contact/activity/etc. Currently used only for groups and tags, but written with expansion in mind.
webform_civicrm_fill_values Recursively walk through form array and set default values for fields based on CiviCRM entity data Called by _webform_civicrm_webform_frontend_form_alter() when webform is being viewed @Param $elements: FAPI array @Param $data: Array of CiviCRM data
webform_civicrm_process_submission Webform submission handler Create/update CiviCRM contacts and related data Called by presave, insert and update webform hooks
webform_civicrm_remove_fields Fields to remove.
webform_civicrm_set_message Displays the admin-defined message with "not you?" link to known contacts
_webform_civicrm_form_validate Recursive validation callback for webform submissions.
_webform_civicrm_participant_validate Validation callback for event registrations.
_webform_civicrm_webform_frontend_form_alter Alter front-end of webforms: Called by hook_form_alter() when rendering a civicrm-enabled webform Add custom prefix. Display messages. Block users who should not have access. Set webform default values.