838 lines
35 KiB
PHP
Executable file
838 lines
35 KiB
PHP
Executable file
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Open Source Web Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) 2013 - 2016, Alex Tselegidis
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* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link http://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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/**
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* Appointments Controller
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*
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* @package Controllers
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*/
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class Appointments extends CI_Controller {
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/**
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* Class Constructor
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*/
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public function __construct() {
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parent::__construct();
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$this->load->library('session');
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$this->load->helper('installation');
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// Set user's selected language.
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if ($this->session->userdata('language')) {
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$this->config->set_item('language', $this->session->userdata('language'));
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$this->lang->load('translations', $this->session->userdata('language'));
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} else {
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$this->lang->load('translations', $this->config->item('language')); // default
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}
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// Common helpers
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$this->load->helper('google_analytics');
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}
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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 $appointment_hash The db appointment hash of an existing record.
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*/
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public function index($appointment_hash = '') {
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if (!is_ea_installed()) {
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redirect('installation/index');
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return;
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}
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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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$this->load->model('settings_model');
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try {
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$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 = $this->settings_model->get_setting('company_name');
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$date_format = $this->settings_model->get_setting('date_format');
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// Remove the data that are not needed inside the $available_providers array.
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foreach ($available_providers as $index=>$provider) {
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$stripped_data = array(
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'id' => $provider['id'],
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'first_name' => $provider['first_name'],
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'last_name' => $provider['last_name'],
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'services' => $provider['services']
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);
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$available_providers[$index] = $stripped_data;
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}
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// If an appointment hash is provided then it means that the customer
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// is trying to edit a registered appointment record.
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if ($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' => $this->lang->line('appointment_not_found'),
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'message_text' => $this->lang->line('appointment_does_not_exist_in_db'),
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'message_icon' => base_url('assets/img/error.png')
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);
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$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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'date_format' => $date_format,
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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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}
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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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$google_sync = filter_var($this->providers_model
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->get_setting('google_sync',$appointment['id_users_provider']), FILTER_VALIDATE_BOOLEAN);
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if ($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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$this->google_sync->delete_appointment($provider, $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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$send_provider = filter_var($this->providers_model
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->get_setting('notifications', $provider['id']), FILTER_VALIDATE_BOOLEAN);
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if ($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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$send_customer = filter_var($this->settings_model->get_setting('customer_notifications'),
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FILTER_VALIDATE_BOOLEAN);
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if ($send_customer === TRUE) {
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$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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}
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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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'message_title' => $this->lang->line('appointment_cancelled_title'),
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'message_text' => $this->lang->line('appointment_cancelled'),
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'message_icon' => base_url('assets/img/success.png')
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);
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if (isset($exceptions)) {
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$view['exceptions'] = $exceptions;
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}
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$this->load->view('appointments/message', $view);
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}
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/**
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* GET an specific appointment book and redirect to the success screen.
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*
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* @param int $appointment_id Contains the id of the appointment to retrieve.
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*/
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public function book_success($appointment_id) {
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//if the appointment id doesn't exist or zero redirect to index
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if(!$appointment_id){
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redirect('appointments');
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}
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$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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$this->load->model('settings_model');
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//retrieve the data needed in the view
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$appointment = $this->appointments_model->get_row($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_name = $this->settings_model->get_setting('company_name');
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//get the exceptions
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$exceptions = $this->session->flashdata('book_success');
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// :: LOAD THE BOOK SUCCESS VIEW
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$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' => $company_name,
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);
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if($exceptions){
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$view['exceptions'] = $exceptions;
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}
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$this->load->view('appointments/book_success', $view);
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}
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/**
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* [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|string $_POST['provider_id'] The selected provider's record id, can also be 'any-provider'.
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* @param string $_POST['selected_date'] The selected date of which the available hours we want to see.
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* @param numeric $_POST['service_duration'] The selected service duration in minutes.
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* @param string $_POST['manage_mode'] Contains either 'true' or 'false' and determines the if current user
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* is managing an already booked appointment or not.
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*
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* @return Returns a json object with the available hours.
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*/
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public function ajax_get_available_hours() {
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$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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// Do not continue if there was no provider selected (more likely there is no provider in the system).
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if (empty($_POST['provider_id'])) {
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echo json_encode(array());
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return;
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}
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// If manage mode is TRUE then the following we should not consider the selected
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// appointment when calculating the available time periods of the provider.
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$exclude_appointments = ($_POST['manage_mode'] === 'true')
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? array($_POST['appointment_id'])
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: array();
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// If the user has selected the "any-provider" option then we will need to search
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// for an available provider that will provide the requested service.
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if ($_POST['provider_id'] === ANY_PROVIDER) {
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$_POST['provider_id'] = $this->_search_any_provider($_POST['service_id'], $_POST['selected_date']);
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if ($_POST['provider_id'] === NULL) {
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echo json_encode(array());
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return;
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}
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}
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$empty_periods = $this->_get_provider_available_time_periods($_POST['provider_id'],
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$_POST['selected_date'], $exclude_appointments);
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$available_hours = $this->_calculate_available_hours($empty_periods, $_POST['selected_date'],
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$_POST['service_duration'], filter_var($_POST['manage_mode'], FILTER_VALIDATE_BOOLEAN));
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echo json_encode($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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* [AJAX] Register the appointment to the database.
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*
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* @return string Returns a JSON string with the appointment database ID.
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*/
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public function ajax_register_appointment() {
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try {
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$post_data = $_POST['post_data']; // alias
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$post_data['manage_mode'] = filter_var($post_data['manage_mode'], FILTER_VALIDATE_BOOLEAN);
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$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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// Validate the CAPTCHA string.
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if ($this->settings_model->get_setting('require_captcha') === '1'
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&& $this->session->userdata('captcha_phrase') !== $_POST['captcha']) {
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echo json_encode(array(
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'captcha_verification' => FALSE,
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'expected_phrase' => $this->session->userdata('captcha_phrase')
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));
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return;
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}
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// Check appointment availability.
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if (!$this->_check_datetime_availability()) {
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throw new Exception($this->lang->line('requested_hour_is_unavailable'));
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}
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$appointment = $_POST['post_data']['appointment'];
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$customer = $_POST['post_data']['customer'];
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if ($this->customers_model->exists($customer)) {
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$customer['id'] = $this->customers_model->find_record_id($customer);
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}
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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['is_unavailable'] = (int)$appointment['is_unavailable']; // needs to be type casted
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$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 = filter_var($this->providers_model->get_setting('google_sync',
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$appointment['id_users_provider']), FILTER_VALIDATE_BOOLEAN);
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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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log_message('error', $exc->getMessage());
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log_message('error', $exc->getTraceAsString());
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}
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// :: SEND NOTIFICATION EMAILS TO BOTH CUSTOMER AND PROVIDER
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try {
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$this->load->library('Notifications');
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if ($post_data['manage_mode'] == FALSE) {
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$customer_title = $this->lang->line('appointment_booked');
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$customer_message = $this->lang->line('thank_you_for_appointment');
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$provider_title = $this->lang->line('appointment_added_to_your_plan');
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$provider_message = $this->lang->line('appointment_link_description');
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} else {
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$customer_title = $this->lang->line('appointment_changes_saved');
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$customer_message = '';
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$provider_title = $this->lang->line('appointment_details_changed');
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$provider_message = '';
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}
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$customer_link = site_url('appointments/index/' . $appointment['hash']);
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$provider_link = site_url('backend/index/' . $appointment['hash']);
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$send_customer = filter_var($this->settings_model->get_setting('customer_notifications'),
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FILTER_VALIDATE_BOOLEAN);
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if ($send_customer == TRUE) {
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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, $customer['email']);
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}
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$send_provider = filter_var($this->providers_model ->get_setting('notifications', $provider['id']),
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FILTER_VALIDATE_BOOLEAN);
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if ($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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log_message('error', $exc->getMessage());
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log_message('error', $exc->getTraceAsString());
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}
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echo json_encode(array(
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'appointment_id' => $appointment['id']
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));
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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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* [AJAX] Get Unavailable Dates
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*
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* Get an array with the available dates of a specific provider, service and month
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* of the year. Provide the "provider_id", "service_id" and "selected_date" as GET
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* parameters to the request. The "selected_date" parameter must have the Y-m-d format.
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*
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* @return string Returns a JSON array with the dates that are unavailable.
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*/
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public function ajax_get_unavailable_dates() {
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try {
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$provider_id = $this->input->get('provider_id');
|
|
$service_id = $this->input->get('service_id');
|
|
$selected_date = new DateTime($this->input->get('selected_date'));
|
|
$number_of_days = (int)$selected_date->format('t');
|
|
$unavailable_dates = array();
|
|
|
|
// Handle the "Any Provider" case.
|
|
if ($provider_id === ANY_PROVIDER) {
|
|
$provider_id = $this->_search_any_provider($service_id, $this->input->get('selected_date'));
|
|
if ($provider_id === NULL) { // No provider is available in the selected date.
|
|
for ($i=1; $i<=$number_of_days; $i++) {
|
|
$current_date = new DateTime($selected_date->format('Y-m') . '-' . $i);
|
|
$unavailable_dates[] = $current_date->format('Y-m-d');
|
|
}
|
|
echo json_encode($unavailable_dates);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Get the available time periods for every day of this month.
|
|
$this->load->model('services_model');
|
|
$service_duration = (int)$this->services_model->get_value('duration', $service_id);
|
|
|
|
for ($i=1; $i<=$number_of_days; $i++) {
|
|
$current_date = new DateTime($selected_date->format('Y-m') . '-' . $i);
|
|
|
|
if ($current_date < new DateTime()) { // Past dates become immediatelly unavailable.
|
|
$unavailable_dates[] = $current_date->format('Y-m-d');
|
|
continue;
|
|
}
|
|
|
|
$empty_periods = $this->_get_provider_available_time_periods($provider_id,
|
|
$current_date->format('Y-m-d'));
|
|
|
|
$available_hours = $this->_calculate_available_hours($empty_periods, $current_date->format('Y-m-d'),
|
|
$service_duration);
|
|
|
|
if (empty($available_hours)) {
|
|
$unavailable_dates[] = $current_date->format('Y-m-d');
|
|
}
|
|
}
|
|
|
|
echo json_encode($unavailable_dates);
|
|
} catch(Exception $exc) {
|
|
echo json_encode(array(
|
|
'exceptions' => array(exceptionToJavaScript($exc))
|
|
));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether the provider is still available in the selected appointment date.
|
|
*
|
|
* It might be times where two or more customers select the same appointment date and time.
|
|
* This shouldn't be allowed to happen, so one of the two customers will eventually get the
|
|
* prefered date and the other one will have to choose for another date. Use this method
|
|
* just before the customer confirms the appointment details. If the selected date was taken
|
|
* in the mean time, the customer must be prompted to select another time for his appointment.
|
|
*
|
|
* @return bool Returns whether the selected datetime is still available.
|
|
*/
|
|
protected function _check_datetime_availability() {
|
|
$this->load->model('services_model');
|
|
|
|
$appointment = $_POST['post_data']['appointment'];
|
|
|
|
$service_duration = $this->services_model->get_value('duration', $appointment['id_services']);
|
|
|
|
$exclude_appointments = (isset($appointment['id'])) ? array($appointment['id']) : array();
|
|
|
|
if ($appointment['id_users_provider'] === ANY_PROVIDER) {
|
|
$appointment['id_users_provider'] = $this->_search_any_provider($appointment['id_services'],
|
|
date('Y-m-d', strtotime($appointment['start_datetime'])));
|
|
$_POST['post_data']['appointment']['id_users_provider'] = $appointment['id_users_provider'];
|
|
return TRUE; // The selected provider is always available.
|
|
}
|
|
|
|
$available_periods = $this->_get_provider_available_time_periods(
|
|
$appointment['id_users_provider'], date('Y-m-d', strtotime($appointment['start_datetime'])),
|
|
$exclude_appointments);
|
|
|
|
$is_still_available = FALSE;
|
|
|
|
foreach($available_periods as $period) {
|
|
$appt_start = new DateTime($appointment['start_datetime']);
|
|
$appt_start = $appt_start->format('H:i');
|
|
|
|
$appt_end = new DateTime($appointment['start_datetime']);
|
|
$appt_end->add(new DateInterval('PT' . $service_duration . 'M'));
|
|
$appt_end = $appt_end->format('H:i');
|
|
|
|
$period_start = date('H:i', strtotime($period['start']));
|
|
$period_end = date('H:i', strtotime($period['end']));
|
|
|
|
if ($period_start <= $appt_start && $period_end >= $appt_end) {
|
|
$is_still_available = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return $is_still_available;
|
|
}
|
|
|
|
/**
|
|
* Get an array containing the free time periods (start - end) of a selected date.
|
|
*
|
|
* This method is very important because there are many cases where the system needs to
|
|
* know when a provider is avaible for an appointment. This method will return an array
|
|
* that belongs to the selected date and contains values that have the start and the end
|
|
* time of an available time period.
|
|
*
|
|
* @param numeric $provider_id The provider's record id.
|
|
* @param string $selected_date The date to be checked (MySQL formatted string).
|
|
* @param array $exclude_appointments This array contains the ids of the appointments that
|
|
* will not be taken into consideration when the available time periods are calculated.
|
|
*
|
|
* @return array Returns an array with the available time periods of the provider.
|
|
*/
|
|
protected function _get_provider_available_time_periods($provider_id, $selected_date,
|
|
$exclude_appointments = array()) {
|
|
$this->load->model('appointments_model');
|
|
$this->load->model('providers_model');
|
|
|
|
// Get the provider's working plan and reserved appointments.
|
|
$working_plan = json_decode($this->providers_model->get_setting('working_plan', $provider_id), TRUE);
|
|
|
|
$where_clause = array(
|
|
'id_users_provider' => $provider_id
|
|
);
|
|
|
|
$reserved_appointments = $this->appointments_model->get_batch($where_clause);
|
|
|
|
// Sometimes it might be necessary to not take into account some appointment records
|
|
// in order to display what the providers' available time periods would be without them.
|
|
foreach ($exclude_appointments as $excluded_id) {
|
|
foreach ($reserved_appointments as $index => $reserved) {
|
|
if ($reserved['id'] == $excluded_id) {
|
|
unset($reserved_appointments[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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'])) {
|
|
$start = new DateTime($selected_date_working_plan['start']);
|
|
$end = new DateTime($selected_date_working_plan['end']);
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $selected_date_working_plan['start'],
|
|
'end' => $selected_date_working_plan['end']
|
|
);
|
|
|
|
// Split the working plan to available time periods that do not contain the breaks in them.
|
|
foreach ($selected_date_working_plan['breaks'] as $index => $break) {
|
|
$break_start = new DateTime($break['start']);
|
|
$break_end = new DateTime($break['end']);
|
|
|
|
if ($break_start < $start) {
|
|
$break_start = $start;
|
|
}
|
|
|
|
if ($break_end > $end) {
|
|
$break_end = $end;
|
|
}
|
|
|
|
if ($break_start >= $break_end) {
|
|
continue;
|
|
}
|
|
|
|
foreach ($available_periods_with_breaks as $key => $open_period) {
|
|
$s = new DateTime($open_period['start']);
|
|
$e = new DateTime($open_period['end']);
|
|
|
|
if ($s < $break_end && $break_start < $e) { // check for overlap
|
|
$changed = FALSE;
|
|
if ($s < $break_start) {
|
|
$open_start = $s;
|
|
$open_end = $break_start;
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $open_start->format("H:i"),
|
|
'end' => $open_end->format("H:i")
|
|
);
|
|
$changed = TRUE;
|
|
}
|
|
|
|
if ($break_end < $e) {
|
|
$open_start = $break_end;
|
|
$open_end = $e;
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $open_start->format("H:i"),
|
|
'end' => $open_end->format("H:i")
|
|
);
|
|
$changed = TRUE;
|
|
}
|
|
|
|
if ($changed) {
|
|
unset($available_periods_with_breaks[$key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Break the empty periods with the reserved appointments.
|
|
$available_periods_with_appointments = $available_periods_with_breaks;
|
|
|
|
foreach($reserved_appointments as $appointment) {
|
|
foreach($available_periods_with_appointments as $index => &$period) {
|
|
$a_start = strtotime($appointment['start_datetime']);
|
|
$a_end = strtotime($appointment['end_datetime']);
|
|
$p_start = strtotime($selected_date . ' ' . $period['start']);
|
|
$p_end = strtotime($selected_date . ' ' .$period['end']);
|
|
|
|
if ($a_start <= $p_start && $a_end <= $p_end && $a_end <= $p_start) {
|
|
// The appointment does not belong in this time period, so we
|
|
// will not change anything.
|
|
} else if ($a_start <= $p_start && $a_end <= $p_end && $a_end >= $p_start) {
|
|
// The appointment starts before the period and finishes somewhere inside.
|
|
// We will need to break this period and leave the available part.
|
|
$period['start'] = date('H:i', $a_end);
|
|
} else if ($a_start >= $p_start && $a_end <= $p_end) {
|
|
// The appointment is inside the time period, so we will split the period
|
|
// into two new others.
|
|
unset($available_periods_with_appointments[$index]);
|
|
$available_periods_with_appointments[] = array(
|
|
'start' => date('H:i', $p_start),
|
|
'end' => date('H:i', $a_start)
|
|
);
|
|
$available_periods_with_appointments[] = array(
|
|
'start' => date('H:i', $a_end),
|
|
'end' => date('H:i', $p_end)
|
|
);
|
|
} else if ($a_start >= $p_start && $a_end >= $p_start && $a_start <= $p_end) {
|
|
// The appointment starts in the period and finishes out of it. We will
|
|
// need to remove the time that is taken from the appointment.
|
|
$period['end'] = date('H:i', $a_start);
|
|
} else if ($a_start >= $p_start && $a_end >= $p_end && $a_start >= $p_end) {
|
|
// The appointment does not belong in the period so do not change anything.
|
|
} else if ($a_start <= $p_start && $a_end >= $p_end && $a_start <= $p_end) {
|
|
// The appointment is bigger than the period, so this period needs to be removed.
|
|
unset($available_periods_with_appointments[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return array_values($available_periods_with_appointments);
|
|
}
|
|
|
|
/**
|
|
* Search for any provider that can handle the requested service.
|
|
*
|
|
* This method will return the database ID of the provider with the most available periods.
|
|
*
|
|
* @param numeric $service_id The requested service ID.
|
|
* @param string $selected_date The date to be searched.
|
|
*
|
|
* @return int Returns the ID of the provider that can provide the service at the selected date.
|
|
*/
|
|
protected function _search_any_provider($service_id, $selected_date) {
|
|
$this->load->model('providers_model');
|
|
$this->load->model('services_model');
|
|
$available_providers = $this->providers_model->get_available_providers();
|
|
$service = $this->services_model->get_row($service_id);
|
|
$provider_id = NULL;
|
|
$max_hours_count = 0;
|
|
|
|
foreach($available_providers as $provider) {
|
|
foreach($provider['services'] as $provider_service_id) {
|
|
if ($provider_service_id == $service_id) { // Check if the provider is available for the requested date.
|
|
$empty_periods = $this->_get_provider_available_time_periods($provider['id'], $selected_date);
|
|
$available_hours = $this->_calculate_available_hours($empty_periods, $selected_date, $service['duration']);
|
|
if (count($available_hours) > $max_hours_count) {
|
|
$provider_id = $provider['id'];
|
|
$max_hours_count = count($available_hours);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $provider_id;
|
|
}
|
|
|
|
/**
|
|
* Calculate the avaialble appointment hours.
|
|
*
|
|
* Calculate the available appointment hours for the given date. The empty spaces
|
|
* are broken down to 15 min and if the service fit in each quarter then a new
|
|
* available hour is added to the "$available_hours" array.
|
|
*
|
|
* @param array $empty_periods Contains the empty periods as generated by the
|
|
* "_get_provider_available_time_periods" method.
|
|
* @param string $selected_date The selected date to be search (format )
|
|
* @param numeric $service_duration The service duration is required for the hour calculation.
|
|
* @param bool $manage_mode (optional) Whether we are currently on manage mode (editing an existing appointment).
|
|
*
|
|
* @return array Returns an array with the available hours for the appointment.
|
|
*/
|
|
protected function _calculate_available_hours(array $empty_periods, $selected_date, $service_duration,
|
|
$manage_mode = FALSE) {
|
|
$this->load->model('settings_model');
|
|
|
|
$available_hours = array();
|
|
|
|
foreach ($empty_periods as $period) {
|
|
$start_hour = new DateTime($selected_date . ' ' . $period['start']);
|
|
$end_hour = new DateTime($selected_date . ' ' . $period['end']);
|
|
|
|
$minutes = $start_hour->format('i');
|
|
|
|
if ($minutes % 15 != 0) {
|
|
// Change the start hour of the current space in order to be
|
|
// on of the following: 00, 15, 30, 45.
|
|
if ($minutes < 15) {
|
|
$start_hour->setTime($start_hour->format('H'), 15);
|
|
} else if ($minutes < 30) {
|
|
$start_hour->setTime($start_hour->format('H'), 30);
|
|
} else if ($minutes < 45) {
|
|
$start_hour->setTime($start_hour->format('H'), 45);
|
|
} else {
|
|
$start_hour->setTime($start_hour->format('H') + 1, 00);
|
|
}
|
|
}
|
|
|
|
$current_hour = $start_hour;
|
|
$diff = $current_hour->diff($end_hour);
|
|
|
|
while (($diff->h * 60 + $diff->i) >= intval($service_duration)) {
|
|
$available_hours[] = $current_hour->format('H:i');
|
|
$current_hour->add(new DateInterval("PT15M"));
|
|
$diff = $current_hour->diff($end_hour);
|
|
}
|
|
}
|
|
|
|
// If the selected date is today, remove past hours. It is important include the timeout before
|
|
// booking that is set in the backoffice the system. Normally we might want the customer to book
|
|
// an appointment that is at least half or one hour from now. The setting is stored in minutes.
|
|
if (date('m/d/Y', strtotime($selected_date)) === date('m/d/Y')) {
|
|
$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
|
|
|
|
foreach($available_hours as $index => $value) {
|
|
$available_hour = strtotime($value);
|
|
$current_hour = strtotime('+' . $book_advance_timeout . ' minutes', strtotime('now'));
|
|
if ($available_hour <= $current_hour) {
|
|
unset($available_hours[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
$available_hours = array_values($available_hours);
|
|
sort($available_hours, SORT_STRING );
|
|
$available_hours = array_values($available_hours);
|
|
|
|
return $available_hours;
|
|
}
|
|
}
|
|
|
|
/* End of file appointments.php */
|
|
/* Location: ./application/controllers/appointments.php */
|