$event->eid)); $form['booking_variety_regn_feedback_wrapper'] = array( '#markup' => '
Please enter your booking number from your lanyard.
', ); $form['booking_nid'] = array( '#type' => 'textfield', '#title' => t('Booking ID'), '#size' => 60, '#required' => TRUE, '#default_value' => !empty($data->booking_nid) ? $data->booking_nid : '', '#ajax' => array( 'event' => 'change', 'wrapper' => 'booking_variety_regn_feedback_wrapper', 'callback' => 'booking_variety_regn_callback', ), ); //for each entry in the variety timeslot table, create a new form select item $timeslot_query = db_select('booking_variety_times', 'v'); $timeslot_query->condition('v.booking_eventid', $event->eid, '=') ->fields('v') ->orderBy('v.booking_variety_start'); $result = $timeslot_query->execute(); foreach($result as $timeslot) { //create the form element for this timeslot $form['select-variety-' . $timeslot->tid] = array( '#type' => 'select', '#title' => t('Variety Session: ' . $timeslot->booking_variety_time_descrip), '#required' => TRUE, '#default_value' => '', '#options' => _booking_get_variety_timeslot_options($timeslot->tid), ); } $form['submit'] = array( '#type' => 'submit', '#value' => t('Submit'), ); return array ( 'form' => $form, ); } /** * Function to calculate available variety sessions for ajax enabled form booking_variety_regn_form() * @param $timeslot_id - the timeslot ID to query * @return array containing the variety sessions for specified timeslot that still have capacity */ function _booking_get_variety_timeslot_options($timeslot_id) { $session_options = array(); $session_options[] = "--"; $session_query = db_query("SELECT * FROM {booking_variety_options} WHERE booking_variety_timeslot_id = :tid AND booking_variety_status = 1", array(':tid' => $timeslot_id)); // Only add sessions that aren't full to the return result foreach($session_query as $session) { if ($session->booking_variety_regncount < $session->booking_variety_maxsize) { $session_options[$session->vid] = $session->booking_variety_descrip; } } watchdog('booking_debug', "
Variety Session Options:\n@info
", array('@info' => print_r( $session_options, true))); return $session_options; } /** * Callback function to verify if barcode was valid */ function booking_variety_regn_callback($form, &$form_state) { global $event; //$node = $form_state['values']['form_id']; $data = $form_state['input']; watchdog('booking', '
booking_variety_regn_callback validation:\n@info
', array('@info' => print_r( $data, true))); //verify that user-entered data is a number if (! preg_match('/^[0-9]+$/', $data['booking_nid'])) { watchdog('booking_debug', "
booking_variety_regn_callback non-numerical input
"); return '
' . 'You have not entered a valid booking reference number.
'; } // Perform lookup on barcode to make sure it matches someone attending the current event $db_and = db_and(); $db_and->condition('p.booking_eventid', $event->eid, '='); $db_and->condition('p.booking_status', 1, '='); $db_and->condition('p.nid', $data['booking_nid'], '='); $query = db_select('booking_person', 'p'); $query->condition($db_and) ->fields('p'); $person = $query->execute() ->fetchObject(); if ($person) { watchdog('booking_debug', "
booking_variety_regn_callback  found valid attendee
"); return '
' . 'Matched booking reference number.
'; } else { watchdog('booking_debug', "
booking_variety_regn_callback did not find valid attendee
"); return '
' . 'You have not entered a valid booking reference number.
'; } }