265 lines
9.7 KiB
PHP
265 lines
9.7 KiB
PHP
<?php
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/**
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* @file
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* User facing page for booking into a variety session
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* NOTE: This feature is not complete
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*/
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/**
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* Build the user-facing variety session registration form
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*/
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function booking_variety_regn_form($node, &$form_state)
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{
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global $event;
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$form = array();
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$data = $node;
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// Query the variety timeslot table
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$timeslot_query = db_select('booking_variety_timeslots', 'v');
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$timeslot_query->condition('v.booking_eventid', $event->eid, '=')
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->fields('v')
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->orderBy('v.booking_variety_start');
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$result = $timeslot_query->execute();
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$form['wrapper'] = array(
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'#prefix' => '<div id="booking_variety_form_wrapper">',
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'#suffix' => '</div>'
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);
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$form['identity'] = array(
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'#type' => 'fieldset',
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'#title' => 'Select Person',
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);
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$form['identity']['booking_nid'] = array(
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'#type' => 'textfield',
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'#title' => t('Booking Number'),
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'#description' => t('Please enter your booking number from your lanyard.'),
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'#size' => 60,
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'#required' => TRUE,
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'#default_value' => !empty($data->booking_nid) ? $data->booking_nid : '',
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'#ajax' => array(
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'event' => 'change',
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'wrapper' => 'booking_variety_form_wrapper',
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'callback' => 'booking_variety_session_form_callback',
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),
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);
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$form['identity']['booking_lastname'] = array(
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'#type' => 'textfield',
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'#title' => t('Surname'),
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'#description' => t('Please enter your last name as it appeared when you registered.'),
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'#size' => 60,
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'#required' => TRUE,
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'#default_value' => !empty($data->booking_lastname) ? $data->booking_lastname : '',
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'#ajax' => array(
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'event' => 'change',
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'wrapper' => 'booking_variety_form_wrapper',
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'callback' => 'booking_variety_session_form_callback',
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),
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);
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$form['variety-sessions'] = array(
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'#type' => 'fieldset',
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'#title' => 'Select Variety Sessions',
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//'#prefix' => '<div id="booking_variety_session_fieldset_wrapper">',
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//'#suffix' => '</div>'
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);
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$form['identity']['booking_feedback_wrapper'] = array(
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'#markup' => '<div id="booking_feedback_wrapper"></div>',
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);
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//for each entry in the variety timeslot table, create a new form select item
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foreach($result as $timeslot) {
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$fieldname = 'select-variety-' . $timeslot->tid;
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//create the form element for this timeslot
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$form['variety-sessions'][$fieldname] = array(
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'#type' => 'select',
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'#title' => t('Variety Session: ' . $timeslot->booking_variety_time_descrip),
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'#required' => TRUE,
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'#default_value' => isset($form_state['values'][$fieldname]) ? $form_state['values'][$fieldname] : 0,
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'#options' => _booking_get_variety_timeslot_options($timeslot->tid),
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//'#prefix' => '<div id="booking_variety_session_' . $timeslot->tid . '_wrapper">',
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//'#suffix' => '</div>',
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);
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}
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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return array (
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'form' => $form,
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);
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}
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/**
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* Function to calculate available variety sessions for ajax enabled form booking_variety_regn_form()
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* @param $timeslot_id - the timeslot ID to query
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* @return array containing the variety sessions for specified timeslot that still have capacity
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*/
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function _booking_get_variety_timeslot_options($timeslot_id) {
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$session_options = array();
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$session_options[] = "--";
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$session_query = db_query("SELECT * FROM {booking_variety_sessions} WHERE booking_variety_timeslot_id = :tid AND booking_variety_status = 1",
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array(':tid' => $timeslot_id));
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// Only add sessions that aren't full to the return result
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foreach($session_query as $session) {
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$available_spots = $session->booking_variety_maxsize - $session->booking_variety_regncount;
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if ($available_spots > 0) {
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$session_options[$session->vid] = $session->booking_variety_descrip . " [" . $available_spots . " spots]";
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}
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}
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//watchdog('booking_debug', "<pre>Variety Session Options:\n@info</pre>", array('@info' => print_r( $session_options, true)));
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return $session_options;
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}
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/**
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* Callback function to rebuild the variety session fieldset
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*/
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function booking_variety_session_form_callback($form, &$form_state) {
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$form_state['rebuild'] = TRUE;
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//$form['form']['variety-sessions']['booking_feedback_wrapper']['#markup'] = '<div id="booking_feedback_wrapper">Test</div>';
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//return $form['form']['variety-sessions'];
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$form['form']['identity']['booking_feedback_wrapper']['#markup'] = '<div id="booking_feedback_wrapper">Test</div>';
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return $form['form'];
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}
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/**
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* Validate the submission for the user-facing variety session registration form
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*/
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function booking_variety_regn_form_validate($form, &$form_state) {
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global $event;
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$values = $form_state['input'];
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//watchdog('booking_debug', 'booking_variety_regn_form_validate: <pre>@info</pre>', array('@info' => print_r( $form_state, true)));
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// Don't run validation on ajax callback
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if (isset($form_state['input']['_triggering_element_name'])) {
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//watchdog('booking_debug', 'booking_variety_regn_form_validate: skipping due to ajax callback');
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return;
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}
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// --- Check that the registration number is valid ---
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//verify that user-entered data is a number
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if (! preg_match('/^[0-9]+$/', $values['booking_nid'])) {
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form_set_error('booking_nid', t('You have entered an invalid booking reference number.'));
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}
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// Perform lookup on barcode to make sure it matches someone attending the current event
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$db_and = db_and();
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$db_and->condition('p.booking_eventid', $event->eid, '=');
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$db_and->condition('p.booking_status', 1, '=');
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$db_and->condition('p.nid', $values['booking_nid'], '=');
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$db_and->condition('p.booking_lastname', $values['booking_lastname'], '=');
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$query = db_select('booking_person', 'p');
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$query->condition($db_and)
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->fields('p');
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$person = $query->execute()
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->fetchObject();
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if (! $person) {
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form_set_error('booking_nid', t('You have entered an invalid booking reference number or your surname does not match your registration details.'));
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}
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// --- Check that this person hasn't already registered for variety sessions
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$prev_regn_query = db_select('booking_variety_regn', 'v')
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->condition('v.booking_person_nid', $values['booking_nid'], '=')
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->fields('v')
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->execute();
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if ($prev_regn_query->rowCount() > 0) {
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form_set_error('booking_nid', t('You have already registered for variety sessions. Existing registration cannot be changed.'));
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}
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// --- Check there is still space available in the selected variety sessions ---
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//get a list of timeslot IDs from matching form values
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$variety_timeslot_ids = preg_filter('/^select-variety-(\d+)/', '$1', array_keys( $values ));
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//query the sessions table
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$sessions_query = db_query("SELECT * FROM {booking_variety_sessions} WHERE booking_eventid = :eid",
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array(':eid' => $event->eid));
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$sessions = $sessions_query->fetchAllAssoc('vid');
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//watchdog('booking_debug', 'booking_variety_regn_form_validate sessions query: <pre>@info</pre>', array('@info' => print_r( $sessions, true)));
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//check there is still room
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foreach ($variety_timeslot_ids as $id) {
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$selected_session_id = $values['select-variety-' . $id];
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// Don't try and check availablity for a select element that is still on the default value
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if ($selected_session_id == 0) {
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form_set_error('select-variety-' . $id, t('You have not selected a variety session.'));
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continue;
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}
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$session = $sessions[$selected_session_id];
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if ($session->booking_variety_regncount >= $session->booking_variety_maxsize) {
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//watchdog('booking_debug', 'No room in session @id : @count is less than @size', array(
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// '@id' => $selected_session_id, '@count' => $session->booking_variety_regncount,
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// '@size' => $session->booking_variety_maxsize
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//));
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$form_state['rebuild'] = TRUE;
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$form_state['flag'] = 1;
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drupal_set_message('You have selected a session that is now full. Please try again.', 'error', FALSE);
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}
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}
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}
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/**
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* Process the submission for the user-facing variety session registration form
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*/
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function booking_variety_regn_form_submit($form, &$form_state) {
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global $event;
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$values = $form_state['input'];
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watchdog('booking_debug', 'booking_variety_regn_form_submit: <pre>@info</pre>', array('@info' => print_r( $form_state, true)));
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$booking_variety_ids = array();
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//get a list of timeslot IDs from matching form values
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$variety_timeslot_ids = preg_filter('/^select-variety-(\d+)/', '$1', array_keys( $values ));
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//query the sessions table
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$sessions_query = db_query("SELECT * FROM {booking_variety_sessions} WHERE booking_eventid = :eid",
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array(':eid' => $event->eid));
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$sessions = $sessions_query->fetchAllAssoc('vid');
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foreach ($variety_timeslot_ids as $id) {
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$selected_session_id = $values['select-variety-' . $id];
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// Don't try and check availablity for a select element that is still on the default value
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if ($selected_session_id == 0) {
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continue;
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}
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//use an update query for the regncount field
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//idea from https://api.drupal.org/comment/19374#comment-19374
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db_update('booking_variety_sessions')
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->expression('booking_variety_regncount', 'booking_variety_regncount + :count', array(':count' => 1))
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->condition('vid', $selected_session_id)
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->execute();
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//store the selected variety sessions in an array of IDs
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$booking_variety_ids[$id] = $selected_session_id;
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}
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//perform the insert to the booking_variety_regn table
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db_insert('booking_variety_regn')
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->fields(array(
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'booking_variety_ids' => drupal_json_encode($booking_variety_ids),
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'booking_person_nid' => $values['booking_nid'],
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))
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->execute();
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drupal_set_message("Thanks for submitting your variety session registration.", $type = 'status');
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$form_state['redirect'] = array('');
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} |