forked from mirrors/easyappointments
1400 lines
55 KiB
PHP
Executable file
1400 lines
55 KiB
PHP
Executable file
<?php defined('BASEPATH') or 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 - 2020, 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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use EA\Engine\Notifications\Email as EmailClient;
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use EA\Engine\Types\Email;
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use EA\Engine\Types\Text;
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use EA\Engine\Types\Url;
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/**
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* Appointments Controller
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*
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* @property CI_Session session
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* @property CI_Loader load
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* @property CI_Input input
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* @property CI_Output output
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* @property CI_Config config
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* @property CI_Lang lang
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* @property CI_Cache cache
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* @property CI_DB_query_builder db
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* @property CI_Security security
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* @property Google_Sync google_sync
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* @property Ics_file ics_file
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* @property Appointments_Model appointments_model
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* @property Providers_Model providers_model
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* @property Services_Model services_model
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* @property Customers_Model customers_model
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* @property Settings_Model settings_model
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* @property Timezones timezones
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* @property Roles_Model roles_model
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* @property Secretaries_Model secretaries_model
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* @property Admins_Model admins_model
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* @property User_Model user_model
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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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{
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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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$this->load->helper('google_analytics');
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$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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$this->load->library('timezones');
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if ($this->session->userdata('language'))
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{
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// Set the user's selected language.
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$this->config->set_item('language', $this->session->userdata('language'));
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$this->lang->load('translations', $this->session->userdata('language'));
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}
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else
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{
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// Set the default language.
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$this->lang->load('translations', $this->config->item('language'));
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}
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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 is provided then it means that the
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* customer followed the appointment manage link that was send with the book success email.
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*
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* @param string $appointment_hash The appointment hash identifier.
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*/
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public function index($appointment_hash = '')
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{
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try
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{
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if ( ! is_app_installed())
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{
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redirect('installation/index');
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return;
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}
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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 = $this->settings_model->get_setting('date_format');
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$time_format = $this->settings_model->get_setting('time_format');
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$first_weekday = $this->settings_model->get_setting('first_weekday');
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$require_phone_number = $this->settings_model->get_setting('require_phone_number');
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$display_cookie_notice = $this->settings_model->get_setting('display_cookie_notice');
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$cookie_notice_content = $this->settings_model->get_setting('cookie_notice_content');
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$display_terms_and_conditions = $this->settings_model->get_setting('display_terms_and_conditions');
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$terms_and_conditions_content = $this->settings_model->get_setting('terms_and_conditions_content');
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$display_privacy_policy = $this->settings_model->get_setting('display_privacy_policy');
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$privacy_policy_content = $this->settings_model->get_setting('privacy_policy_content');
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$display_any_provider = $this->settings_model->get_setting('display_any_provider');
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$timezones = $this->timezones->to_array();
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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 => $provider)
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{
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$stripped_data = [
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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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'timezone' => $provider['timezone']
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];
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$available_providers[$index] = $stripped_data;
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}
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// If an appointment hash is provided then it means that the customer is trying to edit a registered
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// appointment record.
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if ($appointment_hash !== '')
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{
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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(['hash' => $appointment_hash]);
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if (empty($results))
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{
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// The requested appointment doesn't exist in the database. Display a message to the customer.
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$variables = [
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'message_title' => lang('appointment_not_found'),
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'message_text' => lang('appointment_does_not_exist_in_db'),
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'message_icon' => base_url('assets/img/error.png')
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];
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$this->load->view('appointments/message', $variables);
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return;
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}
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$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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$customer_token = md5(uniqid(mt_rand(), TRUE));
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$this->load->driver('cache', ['adapter' => 'file']);
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// Save the token for 10 minutes.
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$this->cache->save('customer-token-' . $customer_token, $customer['id'], 600);
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}
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else
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{
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// The customer is going to book a new appointment so there is no need for the manage functionality to
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// be initialized.
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$manage_mode = FALSE;
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$customer_token = FALSE;
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$appointment = [];
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$provider = [];
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$customer = [];
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}
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// Load the book appointment view.
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$variables = [
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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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'customer_token' => $customer_token,
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'date_format' => $date_format,
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'time_format' => $time_format,
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'first_weekday' => $first_weekday,
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'require_phone_number' => $require_phone_number,
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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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'display_cookie_notice' => $display_cookie_notice,
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'cookie_notice_content' => $cookie_notice_content,
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'display_terms_and_conditions' => $display_terms_and_conditions,
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'terms_and_conditions_content' => $terms_and_conditions_content,
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'display_privacy_policy' => $display_privacy_policy,
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'privacy_policy_content' => $privacy_policy_content,
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'timezones' => $timezones,
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'display_any_provider' => $display_any_provider,
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];
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}
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catch (Exception $exception)
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{
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$variables['exceptions'][] = $exception;
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}
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$this->load->view('appointments/book', $variables);
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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. In order for the appointment to be deleted, the
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* hash string must be provided. The customer can only cancel the appointment if the edit time period is not over
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* yet.
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*
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* @param string $appointment_hash This appointment hash identifier.
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*/
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public function cancel($appointment_hash)
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{
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try
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{
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// Check whether the appointment hash exists in the database.
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$appointments = $this->appointments_model->get_batch(['hash' => $appointment_hash]);
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if (empty($appointments))
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{
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throw new Exception('No record matches the provided hash.');
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}
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$appointment = $appointments[0];
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$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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$settings = [
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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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'date_format' => $this->settings_model->get_setting('date_format'),
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'time_format' => $this->settings_model->get_setting('time_format')
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];
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// Remove the appointment record from the data.
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if ( ! $this->appointments_model->delete($appointment['id']))
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{
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throw new Exception('Appointment could not be deleted from the database.');
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}
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// Remove the appointment from Google Calendar if needed.
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if ($appointment['id_google_calendar'] != NULL)
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{
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try
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{
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$google_sync = filter_var(
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$this->providers_model->get_setting('google_sync', $appointment['id_users_provider']),
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FILTER_VALIDATE_BOOLEAN);
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if ($google_sync === TRUE)
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{
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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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}
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catch (Exception $exception)
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{
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$exceptions[] = $exception;
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}
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}
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// Send email notification to customer and provider.
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try
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{
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$email = new EmailClient($this, $this->config->config);
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$send_provider = filter_var($this->providers_model
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->get_setting('notifications', $provider['id']),
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FILTER_VALIDATE_BOOLEAN);
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if ($send_provider === TRUE)
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{
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$email->sendDeleteAppointment($appointment, $provider,
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$service, $customer, $settings, new Email($provider['email']),
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new Text($this->input->post('cancel_reason')));
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}
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$send_customer = filter_var(
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$this->settings_model->get_setting('customer_notifications'),
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FILTER_VALIDATE_BOOLEAN);
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if ($send_customer === TRUE)
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{
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$email->sendDeleteAppointment($appointment, $provider,
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$service, $customer, $settings, new Email($customer['email']),
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new Text($this->input->post('cancel_reason')));
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}
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}
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catch (Exception $exception)
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{
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$exceptions[] = $exception;
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}
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}
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catch (Exception $exception)
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{
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// Display the error message to the customer.
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$exceptions[] = $exception;
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}
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$view = [
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'message_title' => lang('appointment_cancelled_title'),
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'message_text' => lang('appointment_cancelled'),
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'message_icon' => base_url('assets/img/success.png')
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];
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if (isset($exceptions))
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{
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$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 string $appointment_hash The appointment hash identifier.
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*
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* @throws Exception
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*/
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public function book_success($appointment_hash)
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{
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$appointments = $this->appointments_model->get_batch(['hash' => $appointment_hash]);
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if (empty($appointments))
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{
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redirect('appointments'); // The appointment does not exist.
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return;
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}
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$appointment = $appointments[0];
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unset($appointment['notes']);
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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unset($provider['settings'], $provider['notes']);
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$service = $this->services_model->get_row($appointment['id_services']);
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$company_name = $this->settings_model->get_setting('company_name');
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// Get any pending exceptions.
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$exceptions = $this->session->flashdata('book_success');
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$view = [
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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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{
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$view['exceptions'] = $exceptions;
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}
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$this->load->view('appointments/book_success', $view);
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}
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/**
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* [AJAX] Get the available appointment hours for the given date.
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*
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* This method answers to an AJAX request. It calculates the available hours for the given service, provider and
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* date.
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*
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* Outputs a JSON string with the availabilities.
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*/
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public function ajax_get_available_hours()
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{
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try
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{
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$provider_id = $this->input->post('provider_id');
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$service_id = $this->input->post('service_id');
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$selected_date = $this->input->post('selected_date');
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// Do not continue if there was no provider selected (more likely there is no provider in the system).
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if (empty($provider_id))
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{
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$this->output
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->set_content_type('application/json')
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->set_output(json_encode([]));
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return;
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}
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// If manage mode is TRUE then the following we should not consider the selected appointment when
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// calculating the available time periods of the provider.
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$exclude_appointments = [];
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if ($this->input->post('manage_mode') === 'true')
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{
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$exclude_appointments[] = $this->input->post('appointment_id');
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}
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// If the user has selected the "any-provider" option then we will need to search for an available provider
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// that will provide the requested service.
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if ($provider_id === ANY_PROVIDER)
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{
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$provider_id = $this->search_any_provider($service_id, $selected_date);
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if ($provider_id === NULL)
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{
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$this->output
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->set_content_type('application/json')
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->set_output(json_encode([]));
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return;
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}
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}
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$service = $this->services_model->get_row($service_id);
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$provider = $this->providers_model->get_row($provider_id);
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$empty_periods = $this->get_provider_available_time_periods($provider_id,
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$selected_date, $exclude_appointments);
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$available_hours = $this->calculate_available_hours($empty_periods, $selected_date,
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$service['duration'], $service['availabilities_type']);
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if ($service['attendants_number'] > 1)
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{
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$available_hours = $this->get_multiple_attendants_hours($selected_date, $service,
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$provider);
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}
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$response = $this->consider_book_advance_timeout($selected_date, $available_hours, $provider);
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}
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catch (Exception $exception)
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{
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$this->output->set_status_header(500);
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$response = [
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'message' => $exception->getMessage(),
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'trace' => config('debug') ? $exception->getTrace() : []
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];
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}
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$this->output
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->set_content_type('application/json')
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->set_output(json_encode($response));
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}
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/**
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* Search for any provider that can handle the requested service.
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*
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* This method will return the database ID of the provider with the most available periods.
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*
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* @param int $service_id The requested service ID.
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* @param string $selected_date The date to be searched.
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*
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* @return int Returns the ID of the provider that can provide the service at the selected date.
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*
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* @throws Exception
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*/
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protected function search_any_provider($service_id, $selected_date)
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{
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$available_providers = $this->providers_model->get_available_providers();
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$service = $this->services_model->get_row($service_id);
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$provider_id = NULL;
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$max_hours_count = 0;
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foreach ($available_providers as $provider)
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{
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foreach ($provider['services'] as $provider_service_id)
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{
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if ($provider_service_id == $service_id)
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{
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// Check if the provider is available for the requested date.
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$empty_periods = $this->get_provider_available_time_periods($provider['id'], $selected_date);
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$available_hours = $this->calculate_available_hours($empty_periods, $selected_date,
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$service['duration'], $service['availabilities_type']);
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if ($service['attendants_number'] > 1)
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{
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$available_hours = $this->get_multiple_attendants_hours($selected_date, $service,
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$provider);
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}
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if (count($available_hours) > $max_hours_count)
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{
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$provider_id = $provider['id'];
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$max_hours_count = count($available_hours);
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}
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}
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}
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}
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return $provider_id;
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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 know when a provider is
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* available for an appointment. This method will return an array that belongs to the selected date and contains
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* values that have the start and the end time of an available time period.
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*
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* @param int $provider_id Provider record ID.
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* @param string $selected_date Date to be checked (MySQL formatted string).
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* @param array $excluded_appointment_ids Array containing the IDs of the appointments that will not be taken into
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* consideration when the available time periods are calculated.
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*
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* @return array Returns an array with the available time periods of the provider.
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*
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* @throws Exception
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*/
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protected function get_provider_available_time_periods(
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$provider_id,
|
|
$selected_date,
|
|
$excluded_appointment_ids = []
|
|
)
|
|
{
|
|
// Get the service, provider's working plan and provider appointments.
|
|
$working_plan = json_decode($this->providers_model->get_setting('working_plan', $provider_id), TRUE);
|
|
|
|
// Get the provider's custom availability periods.
|
|
$custom_availability_periods = json_decode($this->providers_model->get_setting('custom_availability_periods', $provider_id), TRUE);
|
|
|
|
$provider_appointments = $this->appointments_model->get_batch([
|
|
'id_users_provider' => $provider_id,
|
|
]);
|
|
|
|
// Sometimes it might be necessary to not take into account some appointment records in order to display what
|
|
// the providers' available time periods would be without them.
|
|
foreach ($excluded_appointment_ids as $excluded_appointment_id)
|
|
{
|
|
foreach ($provider_appointments as $index => $reserved)
|
|
{
|
|
if ($reserved['id'] == $excluded_appointment_id)
|
|
{
|
|
unset($provider_appointments[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find the empty spaces on the plan. The first split between the plan is due to a break (if any). 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)))];
|
|
|
|
// Search if the $selected_date is an custom availability period added outside the normal working plan.
|
|
if ($selected_date_working_plan == NULL)
|
|
{
|
|
if (isset($custom_availability_periods[strtolower(date('Y-m-d', strtotime($selected_date)))]))
|
|
{
|
|
$selected_date_working_plan = $custom_availability_periods[strtolower(date('Y-m-d', strtotime($selected_date)))];
|
|
}
|
|
}
|
|
|
|
$periods = [];
|
|
|
|
if (isset($selected_date_working_plan['breaks']))
|
|
{
|
|
$periods[] = [
|
|
'start' => $selected_date_working_plan['start'],
|
|
'end' => $selected_date_working_plan['end']
|
|
];
|
|
|
|
$day_start = new DateTime($selected_date_working_plan['start']);
|
|
$day_end = new DateTime($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 < $day_start)
|
|
{
|
|
$break_start = $day_start;
|
|
}
|
|
|
|
if ($break_end > $day_end)
|
|
{
|
|
$break_end = $day_end;
|
|
}
|
|
|
|
if ($break_start >= $break_end)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
foreach ($periods as $key => $period)
|
|
{
|
|
$period_start = new DateTime($period['start']);
|
|
$period_end = new DateTime($period['end']);
|
|
|
|
$remove_current_period = FALSE;
|
|
|
|
if ($break_start > $period_start && $break_start < $period_end && $break_end > $period_start)
|
|
{
|
|
$periods[] = [
|
|
'start' => $period_start->format('H:i'),
|
|
'end' => $break_start->format('H:i')
|
|
];
|
|
|
|
$remove_current_period = TRUE;
|
|
}
|
|
|
|
if ($break_start < $period_end && $break_end > $period_start && $break_end < $period_end)
|
|
{
|
|
$periods[] = [
|
|
'start' => $break_end->format('H:i'),
|
|
'end' => $period_end->format('H:i')
|
|
];
|
|
|
|
$remove_current_period = TRUE;
|
|
}
|
|
|
|
if ($break_start == $period_start && $break_end == $period_end)
|
|
{
|
|
$remove_current_period = TRUE;
|
|
}
|
|
|
|
if ($remove_current_period)
|
|
{
|
|
unset($periods[$key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Break the empty periods with the reserved appointments.
|
|
foreach ($provider_appointments as $provider_appointment)
|
|
{
|
|
foreach ($periods as $index => &$period)
|
|
{
|
|
$appointment_start = new DateTime($provider_appointment['start_datetime']);
|
|
$appointment_end = new DateTime($provider_appointment['end_datetime']);
|
|
|
|
if ($appointment_start >= $appointment_end)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
$period_start = new DateTime($selected_date . ' ' . $period['start']);
|
|
$period_end = new DateTime($selected_date . ' ' . $period['end']);
|
|
|
|
if ($appointment_start <= $period_start && $appointment_end <= $period_end && $appointment_end <= $period_start)
|
|
{
|
|
// The appointment does not belong in this time period, so we will not change anything.
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if ($appointment_start <= $period_start && $appointment_end <= $period_end && $appointment_end >= $period_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'] = $appointment_end->format('H:i');
|
|
}
|
|
else
|
|
{
|
|
if ($appointment_start >= $period_start && $appointment_end < $period_end)
|
|
{
|
|
// The appointment is inside the time period, so we will split the period into two new
|
|
// others.
|
|
unset($periods[$index]);
|
|
|
|
$periods[] = [
|
|
'start' => $period_start->format('H:i'),
|
|
'end' => $appointment_start->format('H:i')
|
|
];
|
|
|
|
$periods[] = [
|
|
'start' => $appointment_end->format('H:i'),
|
|
'end' => $period_end->format('H:i')
|
|
];
|
|
}
|
|
else if ($appointment_start == $period_start && $appointment_end == $period_end)
|
|
{
|
|
unset($periods[$index]); // The whole period is blocked so remove it from the available periods array.
|
|
}
|
|
else
|
|
{
|
|
if ($appointment_start >= $period_start && $appointment_end >= $period_start && $appointment_start <= $period_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'] = $appointment_start->format('H:i');
|
|
}
|
|
else
|
|
{
|
|
if ($appointment_start >= $period_start && $appointment_end >= $period_end && $appointment_start >= $period_end)
|
|
{
|
|
// The appointment does not belong in the period so do not change anything.
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if ($appointment_start <= $period_start && $appointment_end >= $period_end && $appointment_start <= $period_end)
|
|
{
|
|
// The appointment is bigger than the period, so this period needs to be removed.
|
|
unset($periods[$index]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return array_values($periods);
|
|
}
|
|
|
|
/**
|
|
* Calculate the available 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 int $service_duration The service duration is required for the hour calculation.
|
|
* @param string $availabilities_type Optional ('flexible'), the service availabilities type.
|
|
*
|
|
* @return array Returns an array with the available hours for the appointment.
|
|
* @throws Exception
|
|
*/
|
|
protected function calculate_available_hours(
|
|
array $empty_periods,
|
|
$selected_date,
|
|
$service_duration,
|
|
$availabilities_type = 'flexible'
|
|
)
|
|
{
|
|
$available_hours = [];
|
|
|
|
foreach ($empty_periods as $period)
|
|
{
|
|
$start_hour = new DateTime($selected_date . ' ' . $period['start']);
|
|
$end_hour = new DateTime($selected_date . ' ' . $period['end']);
|
|
$interval = $availabilities_type === AVAILABILITIES_TYPE_FIXED ? (int)$service_duration : 15;
|
|
|
|
$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('PT' . $interval . 'M'));
|
|
$diff = $current_hour->diff($end_hour);
|
|
}
|
|
}
|
|
|
|
return $available_hours;
|
|
}
|
|
|
|
/**
|
|
* Get multiple attendants hours.
|
|
*
|
|
* This method will add the additional appointment hours whenever a service accepts multiple attendants.
|
|
*
|
|
* @param string $selected_date The selected appointment date.
|
|
* @param array $service Selected service data.
|
|
* @param array $provider Selected provider data.
|
|
*
|
|
* @return array Returns the available hours array.
|
|
* @throws Exception
|
|
*/
|
|
protected function get_multiple_attendants_hours(
|
|
$selected_date,
|
|
$service,
|
|
$provider
|
|
)
|
|
{
|
|
$unavailability_events = $this->appointments_model->get_batch([
|
|
'is_unavailable' => TRUE,
|
|
'DATE(start_datetime)' => $selected_date,
|
|
'id_users_provider' => $provider['id']
|
|
]);
|
|
|
|
$working_plan = json_decode($provider['settings']['working_plan'], TRUE);
|
|
$working_day = strtolower(date('l', strtotime($selected_date)));
|
|
$working_hours = $working_plan[$working_day];
|
|
|
|
$periods = [
|
|
[
|
|
'start' => new DateTime($selected_date . ' ' . $working_hours['start']),
|
|
'end' => new DateTime($selected_date . ' ' . $working_hours['end'])
|
|
]
|
|
];
|
|
|
|
$periods = $this->remove_breaks($selected_date, $periods, $working_hours['breaks']);
|
|
$periods = $this->remove_unavailability_events($periods, $unavailability_events);
|
|
|
|
$hours = [];
|
|
|
|
$interval_value = $service['availabilities_type'] == AVAILABILITIES_TYPE_FIXED ? $service['duration'] : '15';
|
|
$interval = new DateInterval('PT' . (int)$interval_value . 'M');
|
|
$duration = new DateInterval('PT' . (int)$service['duration'] . 'M');
|
|
|
|
foreach ($periods as $period)
|
|
{
|
|
$slot_start = clone $period['start'];
|
|
$slot_end = clone $slot_start;
|
|
$slot_end->add($duration);
|
|
|
|
while ($slot_end <= $period['end'])
|
|
{
|
|
// Check reserved attendants for this time slot and see if current attendants fit.
|
|
$appointment_attendants_number = $this->appointments_model->get_attendants_number_for_period($slot_start,
|
|
$slot_end, $service['id']);
|
|
|
|
if ($appointment_attendants_number < $service['attendants_number'])
|
|
{
|
|
$hours[] = $slot_start->format('H:i');
|
|
}
|
|
|
|
$slot_start->add($interval);
|
|
$slot_end->add($interval);
|
|
}
|
|
}
|
|
|
|
return $hours;
|
|
}
|
|
|
|
/**
|
|
* Remove breaks from available time periods.
|
|
*
|
|
* @param string $selected_date Selected data (Y-m-d format).
|
|
* @param array $periods Time periods of the current date.
|
|
* @param array $breaks Breaks array for the current date.
|
|
*
|
|
* @return array Returns the available time periods without the breaks.
|
|
* @throws Exception
|
|
*/
|
|
public function remove_breaks($selected_date, $periods, $breaks)
|
|
{
|
|
if ( ! $breaks)
|
|
{
|
|
return $periods;
|
|
}
|
|
|
|
foreach ($breaks as $break)
|
|
{
|
|
$break_start = new DateTime($selected_date . ' ' . $break['start']);
|
|
$break_end = new DateTime($selected_date . ' ' . $break['end']);
|
|
|
|
foreach ($periods as &$period)
|
|
{
|
|
$period_start = $period['start'];
|
|
$period_end = $period['end'];
|
|
|
|
if ($break_start <= $period_start && $break_end >= $period_start && $break_end <= $period_end)
|
|
{
|
|
// left
|
|
$period['start'] = $break_end;
|
|
continue;
|
|
}
|
|
|
|
if ($break_start >= $period_start && $break_start <= $period_end && $break_end >= $period_start && $break_end <= $period_end)
|
|
{
|
|
// middle
|
|
$period['end'] = $break_start;
|
|
$periods[] = [
|
|
'start' => $break_end,
|
|
'end' => $period_end
|
|
];
|
|
continue;
|
|
}
|
|
|
|
if ($break_start >= $period_start && $break_start <= $period_end && $break_end >= $period_end)
|
|
{
|
|
// right
|
|
$period['end'] = $break_start;
|
|
continue;
|
|
}
|
|
|
|
if ($break_start <= $period_start && $break_end >= $period_end)
|
|
{
|
|
// break contains period
|
|
$period['start'] = $break_end;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $periods;
|
|
}
|
|
|
|
/**
|
|
* Remove the unavailability entries from the available time periods of the selected date.
|
|
*
|
|
* @param array $periods Available time periods.
|
|
* @param array $unavailability_events Unavailability events of the current date.
|
|
*
|
|
* @return array Returns the available time periods without the unavailability events.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
public function remove_unavailability_events($periods, $unavailability_events)
|
|
{
|
|
foreach ($unavailability_events as $unavailability_event)
|
|
{
|
|
$unavailability_start = new DateTime($unavailability_event['start_datetime']);
|
|
$unavailability_end = new DateTime($unavailability_event['end_datetime']);
|
|
|
|
foreach ($periods as &$period)
|
|
{
|
|
$period_start = $period['start'];
|
|
$period_end = $period['end'];
|
|
|
|
if ($unavailability_start <= $period_start && $unavailability_end >= $period_start && $unavailability_end <= $period_end)
|
|
{
|
|
// left
|
|
$period['start'] = $unavailability_end;
|
|
continue;
|
|
}
|
|
|
|
if ($unavailability_start >= $period_start && $unavailability_start <= $period_end && $unavailability_end >= $period_start && $unavailability_end <= $period_end)
|
|
{
|
|
// middle
|
|
$period['end'] = $unavailability_start;
|
|
$periods[] = [
|
|
'start' => $unavailability_end,
|
|
'end' => $period_end
|
|
];
|
|
continue;
|
|
}
|
|
|
|
if ($unavailability_start >= $period_start && $unavailability_start <= $period_end && $unavailability_end >= $period_end)
|
|
{
|
|
// right
|
|
$period['end'] = $unavailability_start;
|
|
continue;
|
|
}
|
|
|
|
if ($unavailability_start <= $period_start && $unavailability_end >= $period_end)
|
|
{
|
|
// Unavailability contains period
|
|
$period['start'] = $unavailability_end;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $periods;
|
|
}
|
|
|
|
/**
|
|
* [AJAX] Register the appointment to the database.
|
|
*
|
|
* Outputs a JSON string with the appointment ID.
|
|
*/
|
|
public function ajax_register_appointment()
|
|
{
|
|
try
|
|
{
|
|
$this->load->model('appointments_model');
|
|
$this->load->model('providers_model');
|
|
$this->load->model('services_model');
|
|
$this->load->model('customers_model');
|
|
$this->load->model('settings_model');
|
|
|
|
$post_data = $this->input->post('post_data');
|
|
$captcha = $this->input->post('captcha');
|
|
$manage_mode = filter_var($post_data['manage_mode'], FILTER_VALIDATE_BOOLEAN);
|
|
$appointment = $post_data['appointment'];
|
|
$customer = $post_data['customer'];
|
|
|
|
// Check appointment availability before registering it to the database.
|
|
$appointment['id_users_provider'] = $this->check_datetime_availability();
|
|
|
|
if ( ! $appointment['id_users_provider'])
|
|
{
|
|
throw new Exception(lang('requested_hour_is_unavailable'));
|
|
}
|
|
|
|
$provider = $this->providers_model->get_row($appointment['id_users_provider']);
|
|
$service = $this->services_model->get_row($appointment['id_services']);
|
|
|
|
$require_captcha = $this->settings_model->get_setting('require_captcha');
|
|
$captcha_phrase = $this->session->userdata('captcha_phrase');
|
|
|
|
// Validate the CAPTCHA string.
|
|
if ($require_captcha === '1' && $captcha_phrase !== $captcha)
|
|
{
|
|
$this->output
|
|
->set_content_type('application/json')
|
|
->set_output(json_encode([
|
|
'captcha_verification' => FALSE
|
|
]));
|
|
|
|
return;
|
|
}
|
|
|
|
if ($this->customers_model->exists($customer))
|
|
{
|
|
$customer['id'] = $this->customers_model->find_record_id($customer);
|
|
}
|
|
|
|
if (empty($appointment['location']) && ! empty($service['location']))
|
|
{
|
|
$appointment['location'] = $service['location'];
|
|
}
|
|
|
|
$customer_id = $this->customers_model->add($customer);
|
|
|
|
$appointment['id_users_customer'] = $customer_id;
|
|
$appointment['is_unavailable'] = (int)$appointment['is_unavailable']; // needs to be type casted
|
|
$appointment['id'] = $this->appointments_model->add($appointment);
|
|
$appointment['hash'] = $this->appointments_model->get_value('hash', $appointment['id']);
|
|
|
|
$settings = [
|
|
'company_name' => $this->settings_model->get_setting('company_name'),
|
|
'company_link' => $this->settings_model->get_setting('company_link'),
|
|
'company_email' => $this->settings_model->get_setting('company_email'),
|
|
'date_format' => $this->settings_model->get_setting('date_format'),
|
|
'time_format' => $this->settings_model->get_setting('time_format')
|
|
];
|
|
|
|
// Synchronize the appointment with the provider's Google Calendar.
|
|
try
|
|
{
|
|
$google_sync = filter_var(
|
|
$this->providers_model->get_setting('google_sync', $appointment['id_users_provider']),
|
|
FILTER_VALIDATE_BOOLEAN);
|
|
|
|
if ($google_sync === TRUE)
|
|
{
|
|
$google_token = json_decode(
|
|
$this->providers_model->get_setting('google_token', $appointment['id_users_provider']));
|
|
|
|
$this->load->library('google_sync');
|
|
|
|
$this->google_sync->refresh_token($google_token->refresh_token);
|
|
|
|
if ($manage_mode === FALSE)
|
|
{
|
|
// Add appointment to Google Calendar.
|
|
$google_event = $this->google_sync->add_appointment($appointment, $provider,
|
|
$service, $customer, $settings);
|
|
$appointment['id_google_calendar'] = $google_event->id;
|
|
$this->appointments_model->add($appointment);
|
|
}
|
|
else
|
|
{
|
|
// Update appointment to Google Calendar.
|
|
$appointment['id_google_calendar'] = $this->appointments_model
|
|
->get_value('id_google_calendar', $appointment['id']);
|
|
|
|
$this->google_sync->update_appointment($appointment, $provider,
|
|
$service, $customer, $settings);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
log_message('error', $exception->getMessage());
|
|
log_message('error', $exception->getTraceAsString());
|
|
}
|
|
|
|
// Send email notifications to customer and provider.
|
|
try
|
|
{
|
|
$this->config->load('email');
|
|
|
|
$email = new EmailClient($this, $this->config->config);
|
|
|
|
if ($manage_mode === FALSE)
|
|
{
|
|
$customer_title = new Text(lang('appointment_booked'));
|
|
$customer_message = new Text(lang('thank_you_for_appointment'));
|
|
$provider_title = new Text(lang('appointment_added_to_your_plan'));
|
|
$provider_message = new Text(lang('appointment_link_description'));
|
|
|
|
}
|
|
else
|
|
{
|
|
$customer_title = new Text(lang('appointment_changes_saved'));
|
|
$customer_message = new Text('');
|
|
$provider_title = new Text(lang('appointment_details_changed'));
|
|
$provider_message = new Text('');
|
|
}
|
|
|
|
$customer_link = new Url(site_url('appointments/index/' . $appointment['hash']));
|
|
$provider_link = new Url(site_url('backend/index/' . $appointment['hash']));
|
|
|
|
$send_customer = filter_var(
|
|
$this->settings_model->get_setting('customer_notifications'),
|
|
FILTER_VALIDATE_BOOLEAN);
|
|
|
|
$this->load->library('ics_file');
|
|
|
|
$ics_stream = $this->ics_file->get_stream($appointment, $service, $provider, $customer);
|
|
|
|
if ($send_customer === TRUE)
|
|
{
|
|
$email->sendAppointmentDetails($appointment, $provider,
|
|
$service, $customer, $settings, $customer_title,
|
|
$customer_message, $customer_link, new Email($customer['email']), new Text($ics_stream));
|
|
}
|
|
|
|
$send_provider = filter_var(
|
|
$this->providers_model->get_setting('notifications', $provider['id']),
|
|
FILTER_VALIDATE_BOOLEAN);
|
|
|
|
if ($send_provider === TRUE)
|
|
{
|
|
$email->sendAppointmentDetails($appointment, $provider,
|
|
$service, $customer, $settings, $provider_title,
|
|
$provider_message, $provider_link, new Email($provider['email']), new Text($ics_stream));
|
|
}
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
log_message('error', $exception->getMessage());
|
|
log_message('error', $exception->getTraceAsString());
|
|
}
|
|
|
|
$response = [
|
|
'appointment_id' => $appointment['id'],
|
|
'appointment_hash' => $appointment['hash']
|
|
];
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
$this->output->set_status_header(500);
|
|
|
|
$response = [
|
|
'message' => $exception->getMessage(),
|
|
'trace' => config('debug') ? $exception->getTrace() : []
|
|
];
|
|
}
|
|
|
|
$this->output
|
|
->set_content_type('application/json')
|
|
->set_output(json_encode($response));
|
|
}
|
|
|
|
/**
|
|
* 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 preferred 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 int Returns the ID of the provider that is available for the appointment.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
protected function check_datetime_availability()
|
|
{
|
|
$this->load->model('services_model');
|
|
$this->load->model('appointments_model');
|
|
|
|
$post_data = $this->input->post('post_data');
|
|
|
|
$appointment = $post_data['appointment'];
|
|
|
|
$service_duration = $this->services_model->get_value('duration', $appointment['id_services']);
|
|
|
|
$exclude_appointments = [];
|
|
|
|
if (isset($appointment['id']))
|
|
{
|
|
$exclude_appointments[] = $appointment['id'];
|
|
}
|
|
|
|
$attendants_number = $this->services_model->get_value('attendants_number', $appointment['id_services']);
|
|
|
|
if ($attendants_number > 1)
|
|
{
|
|
// Exclude all the appointments that are currently registered.
|
|
$existing_appointments = $this->appointments_model->get_batch([
|
|
'id_services' => $appointment['id_services'],
|
|
'start_datetime' => $appointment['start_datetime']
|
|
]);
|
|
|
|
if ( ! empty($existing_appointments) && count($existing_appointments) < $attendants_number)
|
|
{
|
|
foreach ($existing_appointments as $existing_appointment)
|
|
{
|
|
$exclude_appointments[] = $existing_appointment['id'];
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($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'])));
|
|
|
|
return $appointment['id_users_provider'];
|
|
}
|
|
|
|
$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 ? $appointment['id_users_provider'] : NULL;
|
|
}
|
|
|
|
/**
|
|
* [AJAX] Get Unavailable Dates
|
|
*
|
|
* Get an array with the available dates of a specific provider, service and month of the year. Provide the
|
|
* "provider_id", "service_id" and "selected_date" as GET parameters to the request. The "selected_date" parameter
|
|
* must have the Y-m-d format.
|
|
*
|
|
* Outputs a JSON string with the unavailable dates. that are unavailable.
|
|
*/
|
|
public function ajax_get_unavailable_dates()
|
|
{
|
|
try
|
|
{
|
|
$this->load->model('providers_model');
|
|
$this->load->model('services_model');
|
|
|
|
$provider_id = $this->input->get('provider_id');
|
|
$service_id = $this->input->get('service_id');
|
|
$appointment_id = $this->input->get_post('appointment_id');
|
|
$manage_mode = $this->input->get_post('manage_mode');
|
|
$selected_date_string = $this->input->get('selected_date');
|
|
$selected_date = new DateTime($selected_date_string);
|
|
$number_of_days_in_month = (int)$selected_date->format('t');
|
|
$unavailable_dates = [];
|
|
|
|
$exclude_appointments = [];
|
|
|
|
if ($manage_mode === 'true')
|
|
{
|
|
$exclude_appointments[] = $appointment_id;
|
|
}
|
|
|
|
$provider_list = $provider_id === ANY_PROVIDER
|
|
? $this->search_providers_by_service($service_id)
|
|
: [$provider_id];
|
|
|
|
// Get the service record.
|
|
$service = $this->services_model->get_row($service_id);
|
|
|
|
for ($i = 1; $i <= $number_of_days_in_month; $i++)
|
|
{
|
|
$current_date = new DateTime($selected_date->format('Y-m') . '-' . $i);
|
|
|
|
if ($current_date < new DateTime(date('Y-m-d 00:00:00')))
|
|
{
|
|
// Past dates become immediately unavailable.
|
|
$unavailable_dates[] = $current_date->format('Y-m-d');
|
|
continue;
|
|
}
|
|
|
|
// Finding at least one slot of availability.
|
|
foreach ($provider_list as $current_provider_id)
|
|
{
|
|
// Get the provider record.
|
|
$current_provider = $this->providers_model->get_row($current_provider_id);
|
|
|
|
$empty_periods = $this->get_provider_available_time_periods($current_provider_id,
|
|
$current_date->format('Y-m-d'), $exclude_appointments);
|
|
|
|
$available_hours = $this->calculate_available_hours($empty_periods, $current_date->format('Y-m-d'),
|
|
$service['duration'], $service['availabilities_type']);
|
|
|
|
if ( ! empty($available_hours))
|
|
{
|
|
break;
|
|
}
|
|
|
|
if ($service['attendants_number'] > 1)
|
|
{
|
|
$available_hours = $this->get_multiple_attendants_hours($current_date->format('Y-m-d'),
|
|
$service, $current_provider);
|
|
|
|
if ( ! empty($available_hours))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
$available_hours = $this->consider_book_advance_timeout($current_date->format('Y-m-d'),
|
|
$available_hours, $current_provider);
|
|
}
|
|
|
|
// No availability amongst all the provider.
|
|
if (empty($available_hours))
|
|
{
|
|
$unavailable_dates[] = $current_date->format('Y-m-d');
|
|
}
|
|
}
|
|
|
|
$response = $unavailable_dates;
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
$this->output->set_status_header(500);
|
|
|
|
$response = [
|
|
'message' => $exception->getMessage(),
|
|
'trace' => config('debug') ? $exception->getTrace() : []
|
|
];
|
|
}
|
|
|
|
$this->output
|
|
->set_content_type('application/json')
|
|
->set_output(json_encode($response));
|
|
}
|
|
|
|
/**
|
|
* Search for any provider that can handle the requested service.
|
|
*
|
|
* This method will return the database ID of the providers affected to the requested service.
|
|
*
|
|
* @param int $service_id The requested service ID.
|
|
*
|
|
* @return array Returns the ID of the provider that can provide the requested service.
|
|
*/
|
|
protected function search_providers_by_service($service_id)
|
|
{
|
|
$this->load->model('providers_model');
|
|
$available_providers = $this->providers_model->get_available_providers();
|
|
$provider_list = [];
|
|
|
|
foreach ($available_providers as $provider)
|
|
{
|
|
foreach ($provider['services'] as $provider_service_id)
|
|
{
|
|
if ($provider_service_id === $service_id)
|
|
{
|
|
// Check if the provider is affected to the selected service.
|
|
$provider_list[] = $provider['id'];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $provider_list;
|
|
}
|
|
|
|
/**
|
|
* Consider the book advance timeout and remove available hours that have passed the threshold.
|
|
*
|
|
* If the selected date is today, remove past hours. It is important include the timeout before booking
|
|
* that is set in the back-office 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.
|
|
*
|
|
* @param string $selected_date The selected date.
|
|
* @param array $available_hours Already generated available hours.
|
|
* @param array $provider Provider information.
|
|
*
|
|
* @return array Returns the updated available hours.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
protected function consider_book_advance_timeout($selected_date, $available_hours, $provider)
|
|
{
|
|
$provider_timezone = new DateTimeZone($provider['timezone']);
|
|
|
|
$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
|
|
|
|
$threshold = new DateTime('+' . $book_advance_timeout . ' minutes', $provider_timezone);
|
|
|
|
foreach ($available_hours as $index => $value)
|
|
{
|
|
$available_hour = new DateTime($selected_date . ' ' . $value, $provider_timezone);
|
|
|
|
if ($available_hour->getTimestamp() <= $threshold->getTimestamp())
|
|
{
|
|
unset($available_hours[$index]);
|
|
}
|
|
}
|
|
|
|
$available_hours = array_values($available_hours);
|
|
sort($available_hours, SORT_STRING);
|
|
return array_values($available_hours);
|
|
}
|
|
}
|