forked from mirrors/easyappointments
08a50c14be
* Admins can manage the working plan of a single provider on the backend/users page. * Before sending a new notification email the system checks whether the provider user has notifications enabled. * Added salt field in the "ea_user_settings" table.
608 lines
No EOL
30 KiB
PHP
608 lines
No EOL
30 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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class Appointments extends CI_Controller {
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/**
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* Default callback method of the application.
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*
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* This method creates the appointment book wizard. If an appointment hash
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* is provided then it means that the customer followed the appointment
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* manage link that was send with the book success email.
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*
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* @param string $appointment_hash The db appointment hash of an existing
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* record.
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*/
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public function index($appointment_hash = '') {
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('services_model');
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$this->load->model('customers_model');
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$this->load->model('settings_model');
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if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST') {
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try {
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$available_services = $this->services_model->get_available_services();
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$available_providers = $this->providers_model->get_available_providers();
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$company_name = $this->settings_model->get_setting('company_name');
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// If an appointment hash is provided then it means that the customer
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// is trying to edit a registered appointment record.
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if ($appointment_hash !== ''){
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// Load the appointments data and enable the manage mode of the page.
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$manage_mode = TRUE;
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$results = $this->appointments_model->get_batch(array('hash' => $appointment_hash));
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if (count($results) === 0) {
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// The requested appointment doesn't exist in the database. Display
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// a message to the customer.
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$view = array(
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'message_title' => 'Appointment Not Found!',
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'message_text' => 'The appointment you requested does not exist in '
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. 'the system database anymore.',
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'message_icon' => $this->config->item('base_url')
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. 'assets/images/error.png'
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);
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$this->load->view('appointments/message', $view);
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return;
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}
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$appointment = $results[0];
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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} else {
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// The customer is going to book a new appointment so there is no
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// need for the manage functionality to be initialized.
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$manage_mode = FALSE;
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$appointment = array();
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$provider = array();
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$customer = array();
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}
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// Load the book appointment view.
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$view = array (
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'available_services' => $available_services,
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'available_providers' => $available_providers,
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'company_name' => $company_name,
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'manage_mode' => $manage_mode,
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'appointment_data' => $appointment,
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'provider_data' => $provider,
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'customer_data' => $customer
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);
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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$this->load->view('appointments/book', $view);
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} else {
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// The page is a post-back. Register the appointment and send notification emails
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// to the provider and the customer that are related to the appointment. If google
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// sync is enabled then add the appointment to the provider's account.
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try {
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$post_data = json_decode($_POST['post_data'], true);
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$appointment = $post_data['appointment'];
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$customer = $post_data['customer'];
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$customer_id = $this->customers_model->add($customer);
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$appointment['id_users_customer'] = $customer_id;
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$appointment['id'] = $this->appointments_model->add($appointment);
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$appointment['hash'] = $this->appointments_model->get_value('hash', $appointment['id']);
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$service = $this->services_model->get_row($appointment['id_services']);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_link' => $this->settings_model->get_setting('company_link'),
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'company_email' => $this->settings_model->get_setting('company_email')
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);
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// :: SYNCHRONIZE APPOINTMENT WITH PROVIDER'S GOOGLE CALENDAR
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// The provider must have previously granted access to his google calendar account
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// in order to sync the appointment.
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try {
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$google_sync = $this->providers_model->get_setting('google_sync',
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$appointment['id_users_provider']);
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if ($google_sync == TRUE) {
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$google_token = json_decode($this->providers_model
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->get_setting('google_token', $appointment['id_users_provider']));
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$this->load->library('google_sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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if ($post_data['manage_mode'] === FALSE) {
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// Add appointment to Google Calendar.
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$google_event = $this->google_sync->add_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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$appointment['id_google_calendar'] = $google_event->id;
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$this->appointments_model->add($appointment);
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} else {
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// Update appointment to Google Calendar.
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$appointment['id_google_calendar'] = $this->appointments_model
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->get_value('id_google_calendar', $appointment['id']);
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$this->google_sync->update_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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}
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}
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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// :: SEND NOTIFICATION EMAILS TO BOTH CUSTOMER AND PROVIDER
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try {
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$this->load->library('Notifications');
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$send_provider = $this->providers_model
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->get_setting('notifications', $provider['id']);
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if (!$post_data['manage_mode']) {
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$customer_title = 'Your appointment has been successfully booked!';
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$customer_message = 'Thank you for arranging an appointment with us. '
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. 'Below you can see the appointment details. Make changes '
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. 'by clicking the appointment link.';
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$customer_link = $this->config->item('base_url') . 'appointments/index/'
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. $appointment['hash'];
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$provider_title = 'A new appointment has been added to your plan.';
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$provider_message = 'You can make changes by clicking the appointment '
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. 'link below';
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$provider_link = $this->config->item('base_url') . 'backend/index/'
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. $appointment['hash'];
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} else {
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$customer_title = 'Appointment changes have been successfully saved!';
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$customer_message = '';
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$customer_link = $this->config->item('base_url') . 'appointments/index/'
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. $appointment['hash'];
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$provider_title = 'Appointment details have changed.';
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$provider_message = '';
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$provider_link = $this->config->item('base_url') . 'backend/index/'
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. $appointment['hash'];
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}
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$this->notifications->send_appointment_details($appointment, $provider,
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$service, $customer,$company_settings, $customer_title,
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$customer_message, $customer_link, $customer['email']);
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if ($send_provider == TRUE) {
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$this->notifications->send_appointment_details($appointment, $provider,
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$service, $customer, $company_settings, $provider_title,
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$provider_message, $provider_link, $provider['email']);
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}
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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// :: LOAD THE BOOK SUCCESS VIEW
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$view = array(
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'appointment_data' => $appointment,
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'provider_data' => $provider,
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'service_data' => $service,
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'company_name' => $company_settings['company_name']
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);
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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$this->load->view('appointments/book_success', $view);
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}
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}
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/**
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* Cancel an existing appointment.
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*
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* This method removes an appointment from the company's schedule.
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* In order for the appointment to be deleted, the hash string must
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* be provided. The customer can only cancel the appointment if the
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* edit time period is not over yet.
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*
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* @param string $appointment_hash This is used to distinguish the
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* appointment record.
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* @param string $_POST['cancel_reason'] The text that describes why
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* the customer cancelled the appointment.
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*/
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public function cancel($appointment_hash) {
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try {
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('customers_model');
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$this->load->model('services_model');
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$this->load->model('settings_model');
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// Check whether the appointment hash exists in the database.
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$records = $this->appointments_model->get_batch(array('hash' => $appointment_hash));
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if (count($records) == 0) {
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throw new Exception('No record matches the provided hash.');
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}
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$appointment = $records[0];
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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$service = $this->services_model->get_row($appointment['id_services']);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_email' => $this->settings_model->get_setting('company_email'),
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'company_link' => $this->settings_model->get_setting('company_link')
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);
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// :: DELETE APPOINTMENT RECORD FROM THE DATABASE.
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if (!$this->appointments_model->delete($appointment['id'])) {
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throw new Exception('Appointment could not be deleted from the database.');
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}
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// :: SYNC APPOINTMENT REMOVAL WITH GOOGLE CALENDAR
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if ($appointment['id_google_calendar'] != NULL) {
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try {
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$google_sync = $this->providers_model->get_setting('google_sync',
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$appointment['id_users_provider']);
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if ($google_sync == TRUE) {
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$google_token = json_decode($this->providers_model
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->get_setting('google_token', $provider['id']));
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$this->load->library('Google_Sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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$this->google_sync->delete_appointment($appointment['id_google_calendar']);
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}
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} catch(Exception $exc) {
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$exceptions[] = $exc;
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}
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}
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// :: SEND NOTIFICATION EMAILS TO CUSTOMER AND PROVIDER
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try {
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$this->load->library('Notifications');
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$send_provider = $this->providers_model
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->get_setting('notifications', $provider['id']);
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if ($send_provider == TRUE) {
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$this->notifications->send_delete_appointment($appointment, $provider,
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$service, $customer, $company_settings, $provider['email'],
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$_POST['cancel_reason']);
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}
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$this->notifications->send_delete_appointment($appointment, $provider,
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$service, $customer, $company_settings, $customer['email'],
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$_POST['cancel_reason']);
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} catch(Exception $exc) {
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$exceptions[] = $exc;
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}
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} catch(Exception $exc) {
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// Display the error message to the customer.
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$exceptions[] = $exc;
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}
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$view = array();
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if (isset($exceptions)) {
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$view['exceptions'] = $exceptions;
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}
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$this->load->view('appointments/cancel', $view);
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}
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/**
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* [AJAX] Get the available appointment hours for the given date.
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*
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* This method answers to an AJAX request. It calculates the available hours
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* for thegiven service, provider and date.
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*
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* @param numeric $_POST['service_id'] The selected service's record id.
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* @param numeric $_POST['provider_id'] The selected provider's record id.
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* @param string $_POST['selected_date'] The selected date of which the
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* available hours we want to see.
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* @param numeric $_POST['service_duration'] The selected service duration in
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* minutes.
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* @return Returns a json object with the available hours.
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*/
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public function ajax_get_available_hours() {
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$this->load->model('providers_model');
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$this->load->model('appointments_model');
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$this->load->model('settings_model');
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try {
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// If manage mode is TRUE then the following we should not consider the selected
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// appointment when calculating the available time periods of the provider.
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$exclude_appointments = ($_POST['manage_mode'] === 'true')
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? array($_POST['appointment_id'])
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: array();
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$empty_periods = $this->get_provider_available_time_periods($_POST['provider_id'],
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$_POST['selected_date'], $exclude_appointments);
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// Calculate the available appointment hours for the given date.
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// The empty spaces are broken down to 15 min and if the service
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// fit in each quarter then a new available hour is added to the
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// $available hours array.
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$available_hours = array();
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foreach($empty_periods as $period) {
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$start_hour = new DateTime($_POST['selected_date'] . ' ' . $period['start']);
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$end_hour = new DateTime($_POST['selected_date'] . ' ' . $period['end']);
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$minutes = $start_hour->format('i');
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if ($minutes % 15 != 0) {
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// Change the start hour of the current space in order to be
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// on of the following: 00, 15, 30, 45.
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if ($minutes < 15) {
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$start_hour->setTime($start_hour->format('H'), 15);
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} else if ($minutes < 30) {
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$start_hour->setTime($start_hour->format('H'), 30);
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} else if ($minutes < 45) {
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$start_hour->setTime($start_hour->format('H'), 45);
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} else {
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$start_hour->setTime($start_hour->format('H') + 1, 00);
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}
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}
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$curr_hour = $start_hour;
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$diff = $curr_hour->diff($end_hour);
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while(($diff->h * 60 + $diff->i) > intval($_POST['service_duration'])) {
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$available_hours[] = $curr_hour->format('H:i');
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$curr_hour->add(new DateInterval("PT15M"));
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$diff = $curr_hour->diff($end_hour);
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}
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}
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// If the selected date is today, remove past hours. It is important
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// include the timeout before booking that is set in the backoffice
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// the system. Normally we might want the customer to book an appointment
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// that is at least half or one hour from now. The setting is stored in
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// minutes.
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if (date('m/d/Y', strtotime($_POST['selected_date'])) == date('m/d/Y')) {
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if ($_POST['manage_mode'] === 'true') {
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$book_advance_timeout = 0;
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} else {
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$book_advance_timeout = $this->settings_model->get_setting(
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'book_advance_timeout');
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}
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foreach($available_hours as $index=>$value) {
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$available_hour = strtotime($value);
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$current_hour = strtotime('+' . $book_advance_timeout . ' minutes',
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strtotime('now'));
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if ($available_hour <= $current_hour) {
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unset($available_hours[$index]);
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}
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}
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}
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$available_hours = array_values($available_hours);
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echo json_encode($available_hours);
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} catch(Exception $exc) {
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echo json_encode(array(
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'exceptions' => array( exceptionToJavaScript($exc) )
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));
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}
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}
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/**
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* Check whether the provider is still available in the selected appointment date.
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*
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* It might be times where two or more customers select the same appointment date and time.
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* This shouldn't be allowed to happen, so one of the two customers will eventually get the
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* prefered date and the other one will have to choose for another date. Use this method
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* just before the customer confirms the appointment details. If the selected date was taken
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* in the mean time, the customer must be prompted to select another time for his appointment.
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*
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* @param int $_POST['id_users_provider'] The selected provider's record id.
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* @param int $_POST['id_services'] The selected service's record id.
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* @param string $_POST['start_datetime'] This is a mysql formed string.
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* @return bool Returns whether the selected datetime is still available.
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*/
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public function ajax_check_datetime_availability() {
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try {
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$this->load->model('services_model');
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$service_duration = $this->services_model->get_value('duration', $_POST['id_services']);
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$available_periods = $this->get_provider_available_time_periods(
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$_POST['id_users_provider'], $_POST['start_datetime']);
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$is_still_available = FALSE;
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foreach($available_periods as $period) {
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$appt_start = new DateTime($_POST['start_datetime']);
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$appt_start = $appt_start->format('H:i');
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$appt_end = new DateTime($_POST['start_datetime']);
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$appt_end->add(new DateInterval('PT' . $service_duration . 'M'));
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$appt_end = $appt_end->format('H:i');
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$period_start = date('H:i', strtotime($period['start']));
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$period_end = date('H:i', strtotime($period['end']));
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if ($period_start <= $appt_start && $period_end >= $appt_end) {
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$is_still_available = TRUE;
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break;
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}
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}
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echo json_encode($is_still_available);
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} catch(Exception $exc) {
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echo json_encode(array(
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'exceptions' => array(exceptionToJavaScript($exc))
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));
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}
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}
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/**
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* Get an array containing the free time periods (start - end) of a selected date.
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*
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* This method is very important because there are many cases where the system needs to
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* know when a provider is avaible for an appointment. This method will return an array
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* that belongs to the selected date and contains values that have the start and the end
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* time of an available time period.
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*
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* @param numeric $provider_id The provider's record id.
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* @param string $selected_date The date to be checked (MySQL formatted string).
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* @param array $exclude_appointments This array contains the ids of the appointments that
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* will not be taken into consideration when the available time periods are calculated.
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* @return array Returns an array with the available time periods of the provider.
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*/
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private function get_provider_available_time_periods($provider_id, $selected_date,
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$exclude_appointments = array()) {
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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// Get the provider's working plan and reserved appointments.
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$working_plan = json_decode($this->providers_model->get_setting('working_plan',
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$provider_id), true);
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$where_clause = array(
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'DATE(start_datetime)' => date('Y-m-d', strtotime($selected_date)),
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'id_users_provider' => $provider_id
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);
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$reserved_appointments = $this->appointments_model->get_batch($where_clause);
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// Sometimes it might be necessary to not take into account some appointment records
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// in order to display what the providers available time periods would be without them.
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|
foreach($exclude_appointments as $excluded_appointment) {
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foreach($reserved_appointments as $index=>$appointment) {
|
|
if ($appointment['id'] == $excluded_appointment['id']) {
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|
unset($reserved_appointments[$index]);
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|
}
|
|
}
|
|
}
|
|
|
|
// Find the empty spaces on the plan. The first split between the plan is due to
|
|
// a break (if exist). After that every reserved appointment is considered to be
|
|
// a taken space in the plan.
|
|
$selected_date_working_plan = $working_plan[strtolower(date('l', strtotime($selected_date)))];
|
|
$available_periods_with_breaks = array();
|
|
|
|
if (isset($selected_date_working_plan['breaks'])) {
|
|
foreach($selected_date_working_plan['breaks'] as $index=>$break) {
|
|
// Split the working plan to available time periods that do not
|
|
// contain the breaks in them.
|
|
$last_break_index = $index - 1;
|
|
|
|
if (count($available_periods_with_breaks) === 0) {
|
|
$start_hour = $selected_date_working_plan['start'];
|
|
$end_hour = $break['start'];
|
|
} else {
|
|
$start_hour = $selected_date_working_plan['breaks'][$last_break_index]['end'];
|
|
$end_hour = $break['start'];
|
|
}
|
|
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $start_hour,
|
|
'end' => $end_hour
|
|
);
|
|
}
|
|
|
|
// Add the period from the last break to the end of the day.
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $selected_date_working_plan['breaks'][$index]['end'],
|
|
'end' => $selected_date_working_plan['end']
|
|
);
|
|
}
|
|
|
|
// Break the empty periods with the reserved appointments.
|
|
$available_periods_with_appointments = array();
|
|
|
|
if (count($reserved_appointments) > 0) {
|
|
|
|
foreach($available_periods_with_breaks as $period) {
|
|
|
|
foreach($reserved_appointments as $index=>$appointment) {
|
|
$appointment_start = date('H:i', strtotime($appointment['start_datetime']));
|
|
$appointment_end = date('H:i', strtotime($appointment['end_datetime']));
|
|
$period_start = date('H:i', strtotime($period['start']));
|
|
$period_end = date('H:i', strtotime($period['end']));
|
|
|
|
if ($period_start <= $appointment_start && $period_end >= $appointment_end) {
|
|
// We need to check whether another appointment fits in the current
|
|
// time period. If this happens, then we need to consider the whole
|
|
// appointment time as one, because the provider will not be available.
|
|
foreach ($reserved_appointments as $tmp_appointment) {
|
|
$appt_start = date('H:i', strtotime($tmp_appointment['start_datetime']));
|
|
$appt_end = date('H:i', strtotime($tmp_appointment['end_datetime']));
|
|
|
|
if ($period_start < $appt_start && $period_end > $appt_end) {
|
|
if ($appointment_start > $appt_start) {
|
|
$appointment_start = $appt_start;
|
|
}
|
|
|
|
if ($appointment_end < $appt_end) {
|
|
$appointment_end = $appt_end;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Current appointment is within the current empty space. So
|
|
// we need to break the empty space into two other spaces that
|
|
// don't include the appointment.
|
|
$new_period = array(
|
|
'start' => $period_start,
|
|
'end' => $appointment_start
|
|
);
|
|
|
|
if (!in_array($new_period, $available_periods_with_appointments)) {
|
|
$available_periods_with_appointments[] = $new_period;
|
|
}
|
|
|
|
$new_period = array(
|
|
'start' => $appointment_end,
|
|
'end' => $period_end
|
|
);
|
|
|
|
if (!in_array($new_period, $available_periods_with_appointments)) {
|
|
$available_periods_with_appointments[] = $new_period;
|
|
}
|
|
|
|
} else {
|
|
// Check if there are any other appointments between this
|
|
// time space. If not, it is going to be added as it is.
|
|
$found = FALSE;
|
|
|
|
foreach ($reserved_appointments as $tmp_appointment) {
|
|
$appt_start = date('H:i', strtotime($tmp_appointment['start_datetime']));
|
|
$appt_end = date('H:i', strtotime($tmp_appointment['end_datetime']));
|
|
|
|
if ($period_start < $appt_start && $period_end > $appt_end) {
|
|
$found = TRUE;
|
|
}
|
|
}
|
|
|
|
// It is also necessary to check that this time period doesn't
|
|
// already exist in the "$empty_spaces_with_appointments" array.
|
|
$empty_period = array(
|
|
'start' => $period_start,
|
|
'end' => $period_end
|
|
);
|
|
|
|
$already_exist = in_array($empty_period, $available_periods_with_appointments);
|
|
|
|
if ($found === FALSE && $already_exist === FALSE) {
|
|
$available_periods_with_appointments[] = $empty_period;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
$available_periods_with_appointments = $available_periods_with_breaks;
|
|
}
|
|
|
|
return $available_periods_with_appointments;
|
|
}
|
|
}
|
|
|
|
/* End of file appointments.php */
|
|
/* Location: ./application/controllers/appointments.php */ |