/**
  * Processes the btb_checkout_overview shortcode.
  *
  * Based on the set style it calls a sub function to render the output.
  *
  * @param array $atts The shortcode attributes. See class description for explanation.
  */
 public static function btb_checkout_overview_func($atts)
 {
     if (isset($_GET['booking']) && isset($_GET['btbnonce']) && !isset($_POST['btb_checkout_nonce'])) {
         if (!wp_verify_nonce($_GET['btbnonce'], 'btb_direct_booking_nonce')) {
             return;
         }
         $master_instance = get_option('btb_instance_type', 'master') == 'master';
         if ($master_instance) {
             $booking = btb_get_booking($_GET['booking'], OBJECT, 'display');
         } else {
             $booking = btb_get_booking_from_api($_GET['booking'], OBJECT, 'display');
         }
         if (!$booking) {
             return;
         }
         if ($booking->post_type !== "btb_booking") {
             return;
         }
         if ($master_instance) {
             $time = btb_get_time($booking->booked_time, OBJECT, 'display');
         } else {
             $time = btb_get_time_from_api($booking->booked_time, OBJECT, 'display');
         }
         if (!$time) {
             return;
         }
         if ($time->post_type !== "btb_time") {
             return;
         }
         if ($master_instance) {
             $event = btb_get_event($time->event, OBJECT, 'display');
         } else {
             $event = btb_get_event_from_api($time->event, OBJECT, 'display');
         }
         if (!$event) {
             return;
         }
         if ($event->post_type !== "btb_event") {
             return;
         }
         $a = shortcode_atts(array('headline' => ''), $atts);
         switch (get_option('btb_style', 'custom')) {
             case 'avada':
                 return self::btb_checkout_overview_avada($a, $booking, $time, $event);
             case 'bootstrap3':
                 return self::btb_checkout_overview_bs3($a, $booking, $time, $event);
             default:
                 return self::btb_checkout_overview_default($a, $booking, $time, $event);
         }
     }
 }
 /**
  * Sends e-mails to customer and wordpress owner.
  *
  * @param BTB_Booking &$booking The booking object to send mails for.
  * @return int 1 if successfull, 0 if mail to owner failed, -1 if mail to customer failed, -2 if both mails failed
  */
 private static function send_mails(&$booking)
 {
     $notifyemail = get_option('btb_notify_to', '');
     // email address of the site owne to notify about new bookings
     $fromemail = get_option('btb_confirm_from', '');
     // email address used as from address when sending booking to customer
     if (empty($notifyemail) && empty($fromemail)) {
         return -2;
     }
     $tags = array('{{salutation}}', '{{title}}', '{{first_name}}', '{{last_name}}', '{{company}}', '{{address}}', '{{address2}}', '{{zip}}', '{{city}}', '{{country}}', '{{mail}}', '{{phone}}', '{{notes}}', '{{event_name}}', '{{event_url}}', '{{event_start_date}}', '{{event_end_date}}', '{{event_start_time}}', '{{event_end_time}}', '{{slots}}', '{{single_price}}', '{{total_price}}', '{{booking_code}}', '{{booking_time}}');
     if (get_option('btb_instance_type', 'master') == 'master') {
         $event = btb_get_event($booking->booked_event);
         $time = btb_get_time($booking->booked_time);
     } else {
         $event = btb_get_event_from_api($booking->booked_event, OBJECT, 'display');
         $time = btb_get_time_from_api($booking->booked_time, OBJECT, 'display');
     }
     date_default_timezone_set(get_option('timezone_string', 'UTC'));
     $replacements = array($booking->title == "mr" ? sprintf(__('Dear Mr. %s %s', 'bt-booking'), $booking->first_name, $booking->last_name) : sprintf(__('Dear Mrs. %s %s', 'bt-booking'), $booking->first_name, $booking->last_name), $booking->title == "mr" ? __('Mr.', 'bt-booking', 'bt-booking') : __('Mrs.', 'bt-booking'), $booking->first_name, $booking->last_name, $booking->company ? $booking->company : '', $booking->address, $booking->address2, $booking->zip, $booking->city, BTBookingCountries::get_country_by_code($booking->country), $booking->email, $booking->phone, $booking->notes, $event->name, btb_get_description_page($event, true), date_i18n(_x('m/d/Y', 'Event date shown in e-mails', 'bt-booking'), $time->start), date_i18n(_x('m/d/Y', 'Event date shown in e-mails', 'bt-booking'), $time->end), $time->date_only ? '' : date_i18n(_x('h:iA', 'Event time shown in e-mails', 'bt-booking'), $time->start), $time->date_only ? '' : date_i18n(_x('h:iA', 'Event time shown in e-mails', 'bt-booking'), $time->end), $booking->booked_slots, get_option('btb_currency', '€') . ' ' . number_format_i18n($booking->price, 2), get_option('btb_currency', '€') . ' ' . number_format_i18n($booking->price * $booking->booked_slots, 2), $booking->code, date_i18n(_x('m/d/Y h:iA', 'Booking time shown in e-mails', 'bt-booking'), $booking->booking_time));
     $ret = 1;
     if (!empty($notifyemail) && !empty($fromemail)) {
         if (!self::send_mail_to_owner($tags, $replacements, $notifyemail, $fromemail, $booking)) {
             $ret = 0;
         }
     } else {
         $ret = 0;
     }
     if (!empty($fromemail)) {
         if (!self::send_mail_to_customer($tags, $replacements, $booking, $fromemail)) {
             $ret = $ret - 2;
         }
     } else {
         $ret = $ret - 2;
     }
     return $ret;
 }
 /**
  * Processes the btb_direct_booking shortcode.
  *
  * If the booking process is started, it takes the POST data and creates a new booking post item
  * for further processing.
  *
  * @param array $atts See class description for explanation.
  */
 public static function direct_booking_func($atts)
 {
     date_default_timezone_set(get_option('timezone_string', 'UTC'));
     $master_instance = get_option('btb_instance_type', 'master') == 'master';
     if (!empty($_POST)) {
         if (!wp_verify_nonce($_POST['btb_direct_booking_nonce'], 'btb_direct_booking_data')) {
             return;
         }
         if (!isset($_POST['btb_booking_event_id']) || !isset($_POST['btb_booking_amount']) || !isset($_POST['btb_booking_time'])) {
             return;
         }
         $event_id = intval($_POST['btb_booking_event_id']);
         $time_id = intval($_POST['btb_booking_time']);
         $amount = intval($_POST['btb_booking_amount']);
         if ($master_instance) {
             $free_slots = btb_get_time_free_slots($time_id);
         } else {
             $time = btb_get_time_from_api($time_id, OBJECT, 'display');
             $event = btb_get_event_from_api($event_id, OBJECT, 'display');
             $free_slots = $time->free_slots;
         }
         if ($free_slots >= $amount) {
             if ($master_instance) {
                 $timeprice = floatval(get_post_meta($time_id, 'btb_price', true));
                 $eventprice = floatval(get_post_meta($event_id, 'btb_price', true));
             } else {
                 $timeprice = floatval($time->price);
                 $eventprice = floatval($event->price);
             }
             $price = $timeprice ? $timeprice : $eventprice;
             if ($master_instance) {
                 $new_booking = btb_create_booking($event_id, $time_id, array('btb_slots' => $amount, 'btb_booking_time' => time(), 'btb_price' => $price));
             } else {
                 $new_booking = btb_create_booking_via_api($time_id, array('btb_slots' => $amount, 'btb_booking_time' => time(), 'btb_price' => $price));
             }
             if ($new_booking) {
                 $nonce = wp_create_nonce('btb_direct_booking_nonce');
                 echo printf('<script>window.location.href = "%s?booking=%u&btbnonce=%s";</script>', get_permalink(get_option('btb_checkout_page')), $new_booking, $nonce);
             }
         } else {
             if (abs($free_slots - $amount) < $amount && abs($free_slots - $amount) > 0) {
                 return '<p>' . esc_html__('There are not enough free slots for your selection.', 'bt-booking') . '</p>';
             } else {
                 return '<p>' . esc_html__('This is now booked out.', 'bt-booking') . '</p>';
             }
         }
     }
     $a = shortcode_atts(array('id' => '', 'style' => get_option('btb_style', 'default'), 'headline' => get_option('btb_shortcode_headline', __('Booking', 'bt-booking')), 'button_class' => get_option('btb_shortcode_buttonclass', ''), 'button_text' => get_option('btb_shortcode_buttontext', __('Book', 'bt-booking')), 'select_class' => get_option('btb_shortcode_timeselectorclass', ''), 'select_label' => get_option('btb_shortcode_timeselectortext', __('Dates', 'bt-booking')), 'select_layout' => get_option('btb_shortcode_timeselectorlayout', 'dropdown'), 'amount_input_class' => get_option('btb_shortcode_amount_class', ''), 'amount_input_type' => 'number', 'amount_input_surrounding' => get_option('btb_shortcode_amount_surrounding', ''), 'amount_input_label' => get_option('btb_shortcode_amount_label', __('People', 'bt-booking')), 'ind_req_label' => get_option('btb_shortcode_ind_req_label', __('Individual request', 'bt-booking')), 'ind_req_force' => get_option('btb_shortcode_force_ind_req', 0)), $atts);
     if (empty($a['id'])) {
         $current_post_type = get_post_type();
         if ($current_post_type == 'btb_event') {
             $a['id'] = get_the_ID();
         } elseif ($current_post_type == 'page') {
             $a['id'] = btb_get_event_id_by_desc_page(get_the_ID());
         }
     }
     if (empty($a['id'])) {
         return "<p>No ID given.</p>";
     }
     if ($master_instance) {
         $event = btb_get_event(intval($a['id']), OBJECT, 'display');
     } else {
         $event = btb_get_event_from_api(intval($a['id']), OBJECT, 'display');
     }
     if (!$event) {
         return '<p>' . esc_html__('Under the specified ID no event has been found.', 'bt-booking') . '</p>';
     }
     if ($event->post_type !== "btb_event") {
         return '<p>' . esc_html__('The content with the specified ID ist not an event.', 'bt-booking') . '</p>';
     }
     // requesting the event times from the database
     if ($master_instance) {
         $times = btb_get_times($event->ID, 'display', true);
         // calculate the free slots for each time
         if (!empty($times)) {
             foreach ($times as $key => $time) {
                 $time->calc_slots();
             }
         }
     } else {
         $times = btb_get_times_from_api($event->ID, 'display', true);
     }
     $venue = null;
     // apply the filter to generate the booking box output
     $out = apply_filters('btb_create_direct_booking_box', '', $event, $times, $venue, $a);
     // check if we should generate schema.org output, but only if PHP JSON extension is available.
     if (get_option('btb_struct_data_enabled', 0) == 1 && extension_loaded("json")) {
         if (empty($event->struct_data_type)) {
             $event->struct_data_type = get_option('btb_struct_data_default_type', 'event');
         }
         if (!$venue && $event->struct_data_type == 'event') {
             $venue = btb_get_venue($event->venue);
         }
         $out = apply_filters('btb_create_event_schema_org', $out, $event, $times, $venue);
     }
     return $out;
 }