mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-11-22 16:02:54 +03:00
672 lines
26 KiB
PHP
Executable file
672 lines
26 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 https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://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 EA_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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$this->load->helper('installation');
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$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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$this->load->model('admins_model');
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$this->load->model('secretaries_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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$this->load->library('synchronization');
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$this->load->library('notifications');
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$this->load->library('availability');
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$this->load->driver('cache', ['adapter' => 'file']);
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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 = $this->settings_model->get_setting('company_name');
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$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
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$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', $variables);
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return;
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}
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// If the requested appointment begin date is lower than book_advance_timeout. Display a message to the
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// customer.
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$startDate = strtotime($results[0]['start_datetime']);
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$limit = strtotime('+' . $book_advance_timeout . ' minutes', strtotime('now'));
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if ($startDate < $limit)
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{
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$hours = floor($book_advance_timeout / 60);
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$minutes = ($book_advance_timeout % 60);
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$view = [
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'message_title' => lang('appointment_locked'),
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'message_text' => strtr(lang('appointment_locked_message'), [
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'{$limit}' => sprintf('%02d:%02d', $hours, $minutes)
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]),
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'message_icon' => base_url('assets/img/error.png')
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];
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$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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$customer_token = md5(uniqid(mt_rand(), TRUE));
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// Save the token for 10 minutes.
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$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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$this->synchronization->sync_appointment_deleted($appointment, $provider);
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$this->notifications->notify_appointment_deleted($appointment, $service, $provider, $customer, $settings);
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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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$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' => [
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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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'email' => $provider['email'],
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'timezone' => $provider['timezone'],
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],
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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_appointment_id = $this->input->post('manage_mode') === 'true' ? $this->input->post('appointment_id') : NULL;
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// If the user has selected the "any-provider" option then we will need to search for an available provider
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// that will provide the requested service.
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if ($provider_id === ANY_PROVIDER)
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{
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$provider_id = $this->search_any_provider($selected_date, $service_id);
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if ($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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$response = $this->availability->get_available_hours($selected_date, $service, $provider, $exclude_appointment_id);
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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 string $date The date to be searched (Y-m-d).
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* @param int $service_id The requested service ID.
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*
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* @return int Returns the ID of the provider that can provide the service at the selected date.
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*
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* @throws Exception
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*/
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protected function search_any_provider($date, $service_id)
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{
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$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 == $service_id)
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{
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// Check if the provider is available for the requested date.
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$available_hours = $this->availability->get_available_hours($date, $service, $provider);
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if (count($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 $provider_id;
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}
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/**
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* [AJAX] Register the appointment to the database.
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*
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* Outputs a JSON string with the appointment ID.
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*/
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public function ajax_register_appointment()
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{
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try
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{
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$post_data = $this->input->post('post_data');
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$captcha = $this->input->post('captcha');
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$manage_mode = filter_var($post_data['manage_mode'], FILTER_VALIDATE_BOOLEAN);
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$appointment = $post_data['appointment'];
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$customer = $post_data['customer'];
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// Check appointment availability before registering it to the database.
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$appointment['id_users_provider'] = $this->check_datetime_availability();
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if ( ! $appointment['id_users_provider'])
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{
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throw new Exception(lang('requested_hour_is_unavailable'));
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}
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$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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$require_captcha = $this->settings_model->get_setting('require_captcha');
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$captcha_phrase = $this->session->userdata('captcha_phrase');
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// Validate the CAPTCHA string.
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if ($require_captcha === '1' && $captcha_phrase !== $captcha)
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{
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$this->output
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->set_content_type('application/json')
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->set_output(json_encode([
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'captcha_verification' => FALSE
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]));
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return;
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}
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if ($this->customers_model->exists($customer))
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{
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$customer['id'] = $this->customers_model->find_record_id($customer);
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}
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if (empty($appointment['location']) && ! empty($service['location']))
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{
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$appointment['location'] = $service['location'];
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}
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// Save customer language (the language which is used to render the booking page).
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$customer['language'] = config('language');
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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', $appointment['id']);
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$settings = [
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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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'date_format' => $this->settings_model->get_setting('date_format'),
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'time_format' => $this->settings_model->get_setting('time_format')
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];
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$this->synchronization->sync_appointment_saved($appointment, $service, $provider, $customer, $settings);
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$this->notifications->notify_appointment_saved($appointment, $service, $provider, $customer, $settings, $manage_mode);
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$response = [
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'appointment_id' => $appointment['id'],
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'appointment_hash' => $appointment['hash']
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];
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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($response));
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}
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/**
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* Check whether the provider is still available in the selected appointment date.
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*
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* It might be times where two or more customers select the same appointment date and time. This shouldn't be
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* allowed to happen, so one of the two customers will eventually get the preferred date and the other one will have
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* to choose for another date. Use this method just before the customer confirms the appointment details. If the
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* selected date was taken in the mean time, the customer must be prompted to select another time for his
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* appointment.
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*
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* @return int Returns the ID of the provider that is available for the appointment.
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*
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* @throws Exception
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*/
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protected function check_datetime_availability()
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{
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$post_data = $this->input->post('post_data');
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$appointment = $post_data['appointment'];
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$date = date('Y-m-d', strtotime($appointment['start_datetime']));
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if ($appointment['id_users_provider'] === ANY_PROVIDER)
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{
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$appointment['id_users_provider'] = $this->search_any_provider($date, $appointment['id_services']);
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return $appointment['id_users_provider'];
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}
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$service = $this->services_model->get_row($appointment['id_services']);
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$exclude_appointment_id = isset($appointment['id']) ? $appointment['id'] : NULL;
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$available_hours = $this->availability->get_available_hours($date, $service, $provider, $exclude_appointment_id);
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$is_still_available = FALSE;
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$appointment_hour = date('H:i', strtotime($appointment['start_datetime']));
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foreach ($available_hours as $available_hour)
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{
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if ($appointment_hour === $available_hour)
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{
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$is_still_available = TRUE;
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break;
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}
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}
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return $is_still_available ? $appointment['id_users_provider'] : NULL;
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}
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/**
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* [AJAX] Get Unavailable Dates
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*
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* Get an array with the available dates of a specific provider, service and month of the year. Provide the
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* "provider_id", "service_id" and "selected_date" as GET parameters to the request. The "selected_date" parameter
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* must have the Y-m-d format.
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*
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* Outputs a JSON string with the unavailable dates. that are unavailable.
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*/
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public function ajax_get_unavailable_dates()
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{
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try
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{
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$provider_id = $this->input->get('provider_id');
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$service_id = $this->input->get('service_id');
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$appointment_id = $this->input->get_post('appointment_id');
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$manage_mode = $this->input->get_post('manage_mode');
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$selected_date_string = $this->input->get('selected_date');
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$selected_date = new DateTime($selected_date_string);
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$number_of_days_in_month = (int)$selected_date->format('t');
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$unavailable_dates = [];
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$provider_ids = $provider_id === ANY_PROVIDER
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? $this->search_providers_by_service($service_id)
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: [$provider_id];
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$exclude_appointment_id = $manage_mode ? $appointment_id : NULL;
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// Get the service record.
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$service = $this->services_model->get_row($service_id);
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for ($i = 1; $i <= $number_of_days_in_month; $i++)
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{
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$current_date = new DateTime($selected_date->format('Y-m') . '-' . $i);
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if ($current_date < new DateTime(date('Y-m-d 00:00:00')))
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{
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// Past dates become immediately unavailable.
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$unavailable_dates[] = $current_date->format('Y-m-d');
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continue;
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}
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// Finding at least one slot of availability.
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foreach ($provider_ids as $current_provider_id)
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{
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$provider = $this->providers_model->get_row($current_provider_id);
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$available_hours = $this->availability->get_available_hours(
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$current_date->format('Y-m-d'),
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$service,
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$provider,
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$exclude_appointment_id
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);
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if ( ! empty($available_hours))
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{
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break;
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}
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}
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// No availability amongst all the provider.
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if (empty($available_hours))
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{
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$unavailable_dates[] = $current_date->format('Y-m-d');
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}
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}
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$response = $unavailable_dates;
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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 providers affected to the requested service.
|
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*
|
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* @param int $service_id The requested service ID.
|
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*
|
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* @return array Returns the ID of the provider that can provide the requested service.
|
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*/
|
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protected function search_providers_by_service($service_id)
|
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{
|
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$available_providers = $this->providers_model->get_available_providers();
|
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$provider_list = [];
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|
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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 === $service_id)
|
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{
|
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// Check if the provider is affected to the selected service.
|
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$provider_list[] = $provider['id'];
|
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}
|
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}
|
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}
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return $provider_list;
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}
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}
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