/**
  * Export Appointment to CSV
  */
 public function executeExportToCSV()
 {
     $start_date = new DateTime($this->getParameter('date_start'));
     $start_date = $start_date->format('Y-m-d H:i:s');
     $end_date = new DateTime($this->getParameter('date_end'));
     $end_date = $end_date->modify('+1 day')->format('Y-m-d H:i:s');
     $delimiter = $this->getParameter('delimiter', ',');
     header('Content-Type: text/csv; charset=utf-8');
     header('Content-Disposition: attachment; filename=Appointments.csv');
     $header = array(__('Booking Time', 'bookly'), __('Staff Member', 'bookly'), __('Service', 'bookly'), __('Duration', 'bookly'), __('Price', 'bookly'), __('Customer', 'bookly'), __('Phone', 'bookly'), __('Email', 'bookly'));
     $custom_fields = array();
     $fields_data = json_decode(get_option('ab_custom_fields'));
     foreach ($fields_data as $field_data) {
         $custom_fields[$field_data->id] = '';
         $header[] = $field_data->label;
     }
     $output = fopen('php://output', 'w');
     fwrite($output, pack("CCC", 0xef, 0xbb, 0xbf));
     fputcsv($output, $header, $delimiter);
     $rows = AB_CustomerAppointment::query()->select('r.id,
            r.number_of_persons,
            r.coupon_discount,
            r.coupon_deduction,
            st.full_name  AS staff_name,
            s.title       AS service_title,
            s.duration    AS service_duration,
            c.name        AS customer_name,
            c.phone       AS customer_phone,
            c.email       AS customer_email,
            ss.price,
            a.start_date')->leftJoin('AB_Appointment', 'a', 'a.id = r.appointment_id')->leftJoin('AB_Service', 's', 's.id = a.service_id')->leftJoin('AB_Staff', 'st', 'st.id = a.staff_id')->leftJoin('AB_Customer', 'c', 'c.id = r.customer_id')->leftJoin('AB_StaffService', 'ss', 'ss.staff_id = st.id AND ss.service_id = s.id')->whereBetween('a.start_date', $start_date, $end_date)->sortBy('a.start_date')->order(AB_Query::ORDER_DESCENDING)->fetchArray();
     foreach ($rows as $row) {
         if ($row['coupon_discount'] or $row['coupon_deduction']) {
             $coupon = new AB_Coupon();
             $coupon->set('discount', $row['coupon_discount']);
             $coupon->set('deduction', $row['coupon_deduction']);
             $row['price'] = $coupon->apply($row['price']);
         }
         $row['price'] *= $row['number_of_persons'];
         $row_data = array($row['start_date'], $row['staff_name'], $row['service_title'], AB_Service::durationToString($row['service_duration']), AB_Utils::formatPrice($row['price']), $row['customer_name'], $row['customer_phone'], $row['customer_email']);
         $customer_appointment = new AB_CustomerAppointment();
         $customer_appointment->load($row['id']);
         foreach ($customer_appointment->getCustomFields() as $custom_field) {
             $custom_fields[$custom_field['id']] = $custom_field['value'];
         }
         fputcsv($output, array_merge($row_data, $custom_fields), $delimiter);
         $custom_fields = array_map(function () {
             return '';
         }, $custom_fields);
     }
     fclose($output);
     exit;
 }
 /**
  * @param AB_Notification $notification
  */
 public function processNotification(AB_Notification $notification)
 {
     /** @var $wpdb wpdb */
     global $wpdb;
     $date = new DateTime();
     switch ($notification->get('type')) {
         case 'staff_agenda':
             if ($date->format('H') >= 18) {
                 $rows = $wpdb->get_results('SELECT
                         `a`.*,
                         `c`.`name`       AS `customer_name`,
                         `s`.`title`      AS `service_title`,
                         `st`.`email`     AS `staff_email`,
                         `st`.`phone`     AS `staff_phone`,
                         `st`.`full_name` AS `staff_name`
                     FROM `' . AB_CustomerAppointment::getTableName() . '` `ca`
                     LEFT JOIN `' . AB_Appointment::getTableName() . '` `a`   ON `a`.`id` = `ca`.`appointment_id`
                     LEFT JOIN `' . AB_Customer::getTableName() . '` `c`      ON `c`.`id` = `ca`.`customer_id`
                     LEFT JOIN `' . AB_Service::getTableName() . '` `s`       ON `s`.`id` = `a`.`service_id`
                     LEFT JOIN `' . AB_Staff::getTableName() . '` `st`        ON `st`.`id` = `a`.`staff_id`
                     LEFT JOIN `' . AB_StaffService::getTableName() . '` `ss` ON `ss`.`staff_id` = `a`.`staff_id` AND `ss`.`service_id` = `a`.`service_id`
                     WHERE DATE(DATE_ADD("' . $this->mysql_now . '", INTERVAL 1 DAY)) = DATE(`a`.`start_date`) AND NOT EXISTS (
                         SELECT * FROM `' . AB_SentNotification::getTableName() . '` `sn` WHERE
                             DATE(`sn`.`created`) = DATE("' . $this->mysql_now . '") AND
                             `sn`.`gateway`       = "' . $notification->get('gateway') . '" AND
                             `sn`.`type`          = "staff_agenda" AND
                             `sn`.`staff_id`      = `a`.`staff_id`
                     )');
                 if ($rows) {
                     $appointments = array();
                     foreach ($rows as $row) {
                         $appointments[$row->staff_id][] = $row;
                     }
                     foreach ($appointments as $staff_id => $collection) {
                         $sent = false;
                         $staff_email = null;
                         $staff_phone = null;
                         $table = $notification->get('gateway') == 'email' ? '<table>%s</table>' : '%s';
                         $tr = $notification->get('gateway') == 'email' ? '<tr><td>%s</td><td>%s</td><td>%s</td></tr>' : "%s %s %s\n";
                         $agenda = '';
                         foreach ($collection as $appointment) {
                             $startDate = new DateTime($appointment->start_date);
                             $endDate = new DateTime($appointment->end_date);
                             $agenda .= sprintf($tr, $startDate->format('H:i') . '-' . $endDate->format('H:i'), $appointment->service_title, $appointment->customer_name);
                             $staff_email = $appointment->staff_email;
                             $staff_phone = $appointment->staff_phone;
                         }
                         $agenda = sprintf($table, $agenda);
                         if ($staff_email || $staff_phone) {
                             $replacement = new AB_NotificationCodes();
                             $replacement->set('next_day_agenda', $agenda);
                             $replacement->set('appointment_datetime', $appointment->start_date);
                             $replacement->set('staff_name', $appointment->staff_name);
                             if ($notification->get('gateway') == 'email' && $staff_email) {
                                 $message = $replacement->replace($notification->get('message'));
                                 $subject = $replacement->replace($notification->get('subject'));
                                 // Send email.
                                 $sent = wp_mail($staff_email, $subject, wpautop($message), AB_Utils::getEmailHeaders());
                             } else {
                                 if ($notification->get('gateway') == 'sms' && $staff_phone) {
                                     $message = $replacement->replace($notification->get('message'), $notification->get('gateway'));
                                     // Send sms.
                                     $sent = $this->sms->sendSms($staff_phone, $message);
                                 }
                             }
                         }
                         if ($sent) {
                             $sent_notification = new AB_SentNotification();
                             $sent_notification->set('staff_id', $staff_id);
                             $sent_notification->set('gateway', $notification->get('gateway'));
                             $sent_notification->set('type', 'staff_agenda');
                             $sent_notification->set('created', $date->format('Y-m-d H:i:s'));
                             $sent_notification->save();
                         }
                     }
                 }
             }
             break;
         case 'client_follow_up':
             if ($date->format('H') >= 21) {
                 $rows = $wpdb->get_results('SELECT
                         `a`.*,
                         `ca`.*
                     FROM `' . AB_CustomerAppointment::getTableName() . '` `ca`
                     LEFT JOIN `' . AB_Appointment::getTableName() . '` `a` ON `a`.`id` = `ca`.`appointment_id`
                     WHERE DATE("' . $this->mysql_now . '") = DATE(`a`.`start_date`) AND NOT EXISTS (
                         SELECT * FROM `' . AB_SentNotification::getTableName() . '` `sn` WHERE
                             DATE(`sn`.`created`)           = DATE("' . $this->mysql_now . '") AND
                             `sn`.`gateway`                 = "' . $notification->get('gateway') . '" AND
                             `sn`.`type`                    = "client_follow_up" AND
                             `sn`.`customer_appointment_id` = `ca`.`id`
                     )', ARRAY_A);
                 if ($rows) {
                     foreach ($rows as $row) {
                         $customer_appointment = new AB_CustomerAppointment();
                         $customer_appointment->load($row['id']);
                         if (AB_NotificationSender::sendFromCron(AB_NotificationSender::CRON_FOLLOW_UP_EMAIL, $notification, $customer_appointment)) {
                             $sent_notification = new AB_SentNotification();
                             $sent_notification->set('customer_appointment_id', $customer_appointment->get('id'));
                             $sent_notification->set('gateway', $notification->get('gateway'));
                             $sent_notification->set('type', 'client_follow_up');
                             $sent_notification->set('created', $date->format('Y-m-d H:i:s'));
                             $sent_notification->save();
                         }
                     }
                 }
             }
             break;
         case 'client_reminder':
             if ($date->format('H') >= 18) {
                 $rows = $wpdb->get_results('SELECT
                         `ca`.`id`
                     FROM `' . AB_CustomerAppointment::getTableName() . '` `ca`
                     LEFT JOIN `' . AB_Appointment::getTableName() . '` `a` ON `a`.`id` = `ca`.`appointment_id`
                     WHERE DATE(DATE_ADD("' . $this->mysql_now . '", INTERVAL 1 DAY)) = DATE(`a`.`start_date`) AND NOT EXISTS (
                         SELECT * FROM `' . AB_SentNotification::getTableName() . '` `sn` WHERE
                             DATE(`sn`.`created`)           = DATE("' . $this->mysql_now . '") AND
                             `sn`.`gateway`                 = "' . $notification->get('gateway') . '" AND
                             `sn`.`type`                    = "client_reminder" AND
                             `sn`.`customer_appointment_id` = `ca`.`id`
                     )', ARRAY_A);
                 if ($rows) {
                     foreach ($rows as $row) {
                         $customer_appointment = new AB_CustomerAppointment();
                         $customer_appointment->load($row['id']);
                         if (AB_NotificationSender::sendFromCron(AB_NotificationSender::CRON_NEXT_DAY_APPOINTMENT, $notification, $customer_appointment)) {
                             $sent_notification = new AB_SentNotification();
                             $sent_notification->set('customer_appointment_id', $customer_appointment->get('id'));
                             $sent_notification->set('gateway', $notification->get('gateway'));
                             $sent_notification->set('type', 'client_reminder');
                             $sent_notification->set('created', $date->format('Y-m-d H:i:s'));
                             $sent_notification->save();
                         }
                     }
                 }
             }
             break;
     }
 }