mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-11-23 00:13:21 +03:00
673 lines
33 KiB
Text
673 lines
33 KiB
Text
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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class Appointments extends CI_Controller {
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public function __construct() {
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parent::__construct();
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$this->load->library('session');
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// Set user's selected language.
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if ($this->session->userdata('language')) {
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$this->config->set_item('language', $this->session->userdata('language'));
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$this->lang->load('translations', $this->session->userdata('language'));
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} else {
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$this->lang->load('translations', $this->config->item('language')); // default
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}
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}
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/**
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* Default callback method of the application.
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*
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* This method creates the appointment book wizard. If an appointment hash
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* is provided then it means that the customer followed the appointment
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* manage link that was send with the book success email.
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*
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* @param string $appointment_hash The db appointment hash of an existing
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* record.
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*/
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public function index($appointment_hash = '') {
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if (!$this->check_installation()) return;
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('services_model');
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$this->load->model('customers_model');
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$this->load->model('settings_model');
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if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST') {
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try {
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$available_services = $this->services_model->get_available_services();
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$available_providers = $this->providers_model->get_available_providers();
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$company_name = $this->settings_model->get_setting('company_name');
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// If an appointment hash is provided then it means that the customer
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// is trying to edit a registered appointment record.
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if ($appointment_hash !== ''){
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// Load the appointments data and enable the manage mode of the page.
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$manage_mode = TRUE;
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$results = $this->appointments_model->get_batch(array('hash' => $appointment_hash));
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if (count($results) === 0) {
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// The requested appointment doesn't exist in the database. Display
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// a message to the customer.
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$view = array(
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'message_title' => $this->lang->line('appointment_not_found'),
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'message_text' => $this->lang->line('appointment_does_not_exist_in_db'),
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'message_icon' => $this->config->item('base_url')
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. 'assets/img/error.png',
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'company_name' => $company_name
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);
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$this->load->view('appointments/message', $view);
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return;
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}
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$appointment = $results[0];
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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} else {
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// The customer is going to book a new appointment so there is no
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// need for the manage functionality to be initialized.
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$manage_mode = FALSE;
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$appointment = array();
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$provider = array();
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$customer = array();
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}
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// Load the book appointment view.
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$view = array (
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'available_services' => $available_services,
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'available_providers' => $available_providers,
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'company_name' => $company_name,
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'manage_mode' => $manage_mode,
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'appointment_data' => $appointment,
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'provider_data' => $provider,
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'customer_data' => $customer
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);
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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$this->load->view('appointments/book', $view);
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} else {
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// The page is a post-back. Register the appointment and send notification emails
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// to the provider and the customer that are related to the appointment. If google
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// sync is enabled then add the appointment to the provider's account.
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try {
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$post_data = json_decode($_POST['post_data'], true);
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$appointment = $post_data['appointment'];
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$customer = $post_data['customer'];
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if ($this->customers_model->exists($customer))
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$customer['id'] = $this->customers_model->find_record_id($customer);
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$customer_id = $this->customers_model->add($customer);
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$appointment['id_users_customer'] = $customer_id;
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$appointment['id'] = $this->appointments_model->add($appointment);
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$appointment['hash'] = $this->appointments_model->get_value('hash', $appointment['id']);
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$service = $this->services_model->get_row($appointment['id_services']);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_link' => $this->settings_model->get_setting('company_link'),
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'company_email' => $this->settings_model->get_setting('company_email')
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);
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// :: SYNCHRONIZE APPOINTMENT WITH PROVIDER'S GOOGLE CALENDAR
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// The provider must have previously granted access to his google calendar account
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// in order to sync the appointment.
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try {
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$google_sync = $this->providers_model->get_setting('google_sync',
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$appointment['id_users_provider']);
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if ($google_sync == TRUE) {
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$google_token = json_decode($this->providers_model
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->get_setting('google_token', $appointment['id_users_provider']));
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$this->load->library('google_sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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if ($post_data['manage_mode'] === FALSE) {
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// Add appointment to Google Calendar.
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$google_event = $this->google_sync->add_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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$appointment['id_google_calendar'] = $google_event->id;
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$this->appointments_model->add($appointment);
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} else {
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// Update appointment to Google Calendar.
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$appointment['id_google_calendar'] = $this->appointments_model
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->get_value('id_google_calendar', $appointment['id']);
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$this->google_sync->update_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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}
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}
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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// :: SEND NOTIFICATION EMAILS TO BOTH CUSTOMER AND PROVIDER
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try {
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$this->load->library('Notifications');
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$send_provider = $this->providers_model
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->get_setting('notifications', $provider['id']);
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if (!$post_data['manage_mode']) {
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$customer_title = $this->lang->line('appointment_booked');
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$customer_message = $this->lang->line('thank_your_for_appointment');
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$customer_link = $this->config->item('base_url') . 'appointments/index/'
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. $appointment['hash'];
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$provider_title = $this->lang->line('appointment_added_to_your_plan');
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$provider_message = $this->lang->line('appointment_link_description');
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$provider_link = $this->config->item('base_url') . 'backend/index/'
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. $appointment['hash'];
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} else {
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$customer_title = $this->lang->line('appointment_changes_saved');
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$customer_message = '';
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$customer_link = $this->config->item('base_url') . 'appointments/index/'
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. $appointment['hash'];
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$provider_title = $this->lang->line('appointment_details_changed');
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$provider_message = '';
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$provider_link = $this->config->item('base_url') . 'backend/index/'
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. $appointment['hash'];
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}
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$this->notifications->send_appointment_details($appointment, $provider,
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$service, $customer,$company_settings, $customer_title,
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$customer_message, $customer_link, $customer['email']);
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if ($send_provider == TRUE) {
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$this->notifications->send_appointment_details($appointment, $provider,
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$service, $customer, $company_settings, $provider_title,
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$provider_message, $provider_link, $provider['email']);
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}
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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// :: LOAD THE BOOK SUCCESS VIEW
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$view = array(
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'appointment_data' => $appointment,
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'provider_data' => $provider,
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'service_data' => $service,
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'company_name' => $company_settings['company_name']
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);
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} catch(Exception $exc) {
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$view['exceptions'][] = $exc;
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}
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$this->load->view('appointments/book_success', $view);
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}
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}
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/**
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* Cancel an existing appointment.
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*
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* This method removes an appointment from the company's schedule.
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* In order for the appointment to be deleted, the hash string must
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* be provided. The customer can only cancel the appointment if the
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* edit time period is not over yet.
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*
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* @param string $appointment_hash This is used to distinguish the
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* appointment record.
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* @param string $_POST['cancel_reason'] The text that describes why
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* the customer cancelled the appointment.
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*/
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public function cancel($appointment_hash) {
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try {
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('customers_model');
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$this->load->model('services_model');
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$this->load->model('settings_model');
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// Check whether the appointment hash exists in the database.
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$records = $this->appointments_model->get_batch(array('hash' => $appointment_hash));
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if (count($records) == 0) {
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throw new Exception('No record matches the provided hash.');
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}
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$appointment = $records[0];
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$provider = $this->providers_model->get_row($appointment['id_users_provider']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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$service = $this->services_model->get_row($appointment['id_services']);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_email' => $this->settings_model->get_setting('company_email'),
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'company_link' => $this->settings_model->get_setting('company_link')
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);
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// :: DELETE APPOINTMENT RECORD FROM THE DATABASE.
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if (!$this->appointments_model->delete($appointment['id'])) {
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throw new Exception('Appointment could not be deleted from the database.');
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}
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// :: SYNC APPOINTMENT REMOVAL WITH GOOGLE CALENDAR
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if ($appointment['id_google_calendar'] != NULL) {
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try {
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$google_sync = $this->providers_model->get_setting('google_sync',
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$appointment['id_users_provider']);
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if ($google_sync == TRUE) {
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$google_token = json_decode($this->providers_model
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->get_setting('google_token', $provider['id']));
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$this->load->library('Google_Sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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$this->google_sync->delete_appointment($provider, $appointment['id_google_calendar']);
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}
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} catch(Exception $exc) {
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$exceptions[] = $exc;
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}
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}
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// :: SEND NOTIFICATION EMAILS TO CUSTOMER AND PROVIDER
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try {
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$this->load->library('Notifications');
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$send_provider = $this->providers_model
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->get_setting('notifications', $provider['id']);
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if ($send_provider == TRUE) {
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$this->notifications->send_delete_appointment($appointment, $provider,
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$service, $customer, $company_settings, $provider['email'],
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$_POST['cancel_reason']);
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}
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$this->notifications->send_delete_appointment($appointment, $provider,
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$service, $customer, $company_settings, $customer['email'],
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$_POST['cancel_reason']);
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} catch(Exception $exc) {
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$exceptions[] = $exc;
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}
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} catch(Exception $exc) {
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// Display the error message to the customer.
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$exceptions[] = $exc;
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}
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$view = array();
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if (isset($exceptions)) {
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$view['exceptions'] = $exceptions;
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}
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$this->load->view('appointments/cancel', $view);
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}
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/**
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* [AJAX] Get the available appointment hours for the given date.
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*
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* This method answers to an AJAX request. It calculates the available hours
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* for thegiven service, provider and date.
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*
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* @param numeric $_POST['service_id'] The selected service's record id.
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* @param numeric $_POST['provider_id'] The selected provider's record id.
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* @param string $_POST['selected_date'] The selected date of which the
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* available hours we want to see.
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* @param numeric $_POST['service_duration'] The selected service duration in
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* minutes.
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* @param string $$_POST['manage_mode'] Contains either 'true' or 'false' and determines
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* the if current user is managing an already booked appointment or not.
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* @return Returns a json object with the available hours.
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*/
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public function ajax_get_available_hours() {
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$this->load->model('providers_model');
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$this->load->model('appointments_model');
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$this->load->model('settings_model');
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try {
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// If manage mode is TRUE then the following we should not consider the selected
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// appointment when calculating the available time periods of the provider.
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$exclude_appointments = ($_POST['manage_mode'] === 'true')
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? array($_POST['appointment_id'])
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: array();
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$empty_periods = $this->get_provider_available_time_periods($_POST['provider_id'],
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$_POST['selected_date'], $exclude_appointments);
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// Calculate the available appointment hours for the given date. The empty spaces
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// are broken down to 15 min and if the service fit in each quarter then a new
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// available hour is added to the "$available_hours" array.
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$available_hours = array();
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foreach ($empty_periods as $period) {
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$start_hour = new DateTime($_POST['selected_date'] . ' ' . $period['start']);
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$end_hour = new DateTime($_POST['selected_date'] . ' ' . $period['end']);
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$minutes = $start_hour->format('i');
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if ($minutes % 15 != 0) {
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// Change the start hour of the current space in order to be
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// on of the following: 00, 15, 30, 45.
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if ($minutes < 15) {
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$start_hour->setTime($start_hour->format('H'), 15);
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} else if ($minutes < 30) {
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$start_hour->setTime($start_hour->format('H'), 30);
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} else if ($minutes < 45) {
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$start_hour->setTime($start_hour->format('H'), 45);
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} else {
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$start_hour->setTime($start_hour->format('H') + 1, 00);
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}
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}
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$current_hour = $start_hour;
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$diff = $current_hour->diff($end_hour);
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while (($diff->h * 60 + $diff->i) >= intval($_POST['service_duration'])) {
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$available_hours[] = $current_hour->format('H:i');
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$current_hour->add(new DateInterval("PT15M"));
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$diff = $current_hour->diff($end_hour);
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}
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}
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// If the selected date is today, remove past hours. It is important
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// include the timeout before booking that is set in the backoffice
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// the system. Normally we might want the customer to book an appointment
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// that is at least half or one hour from now. The setting is stored in
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// minutes.
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if (date('m/d/Y', strtotime($_POST['selected_date'])) == date('m/d/Y')) {
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if ($_POST['manage_mode'] === 'true') {
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$book_advance_timeout = 0;
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} else {
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$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
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}
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foreach($available_hours as $index => $value) {
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$available_hour = strtotime($value);
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$current_hour = strtotime('+' . $book_advance_timeout . ' minutes', strtotime('now'));
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if ($available_hour <= $current_hour) {
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unset($available_hours[$index]);
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}
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}
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}
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$available_hours = array_values($available_hours);
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sort($available_hours, SORT_STRING );
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$available_hours = array_values($available_hours);
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echo json_encode($available_hours);
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} catch(Exception $exc) {
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echo json_encode(array(
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'exceptions' => array(exceptionToJavaScript($exc))
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));
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}
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}
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/**
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* Check whether the provider is still available in the selected appointment date.
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*
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* It might be times where two or more customers select the same appointment date and time.
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* This shouldn't be allowed to happen, so one of the two customers will eventually get the
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* prefered date and the other one will have to choose for another date. Use this method
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* just before the customer confirms the appointment details. If the selected date was taken
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* in the mean time, the customer must be prompted to select another time for his appointment.
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*
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* @param int $_POST['id_users_provider'] The selected provider's record id.
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* @param int $_POST['id_services'] The selected service's record id.
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* @param string $_POST['start_datetime'] This is a mysql formed string.
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* @return bool Returns whether the selected datetime is still available.
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*/
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public function ajax_check_datetime_availability() {
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try {
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$this->load->model('services_model');
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$service_duration = $this->services_model->get_value('duration', $_POST['id_services']);
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$exclude_appointments = (isset($_POST['exclude_appointment_id']))
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? array($_POST['exclude_appointment_id']) : array();
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$available_periods = $this->get_provider_available_time_periods(
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$_POST['id_users_provider'], $_POST['start_datetime'], $exclude_appointments);
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$is_still_available = FALSE;
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foreach($available_periods as $period) {
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$appt_start = new DateTime($_POST['start_datetime']);
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$appt_start = $appt_start->format('H:i');
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$appt_end = new DateTime($_POST['start_datetime']);
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$appt_end->add(new DateInterval('PT' . $service_duration . 'M'));
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$appt_end = $appt_end->format('H:i');
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$period_start = date('H:i', strtotime($period['start']));
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$period_end = date('H:i', strtotime($period['end']));
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if ($period_start <= $appt_start && $period_end >= $appt_end) {
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$is_still_available = TRUE;
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break;
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}
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}
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echo json_encode($is_still_available);
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} catch(Exception $exc) {
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echo json_encode(array(
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'exceptions' => array(exceptionToJavaScript($exc))
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));
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}
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}
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/**
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* Get an array containing the free time periods (start - end) of a selected date.
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*
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* This method is very important because there are many cases where the system needs to
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* know when a provider is avaible for an appointment. This method will return an array
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* that belongs to the selected date and contains values that have the start and the end
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* time of an available time period.
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*
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* @param numeric $provider_id The provider's record id.
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* @param string $selected_date The date to be checked (MySQL formatted string).
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* @param array $exclude_appointments This array contains the ids of the appointments that
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* will not be taken into consideration when the available time periods are calculated.
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|
* @return array Returns an array with the available time periods of the provider.
|
|
*/
|
|
private function get_provider_available_time_periods($provider_id, $selected_date,
|
|
$exclude_appointments = array()) {
|
|
$this->load->model('appointments_model');
|
|
$this->load->model('providers_model');
|
|
|
|
// Get the provider's working plan and reserved appointments.
|
|
$working_plan = json_decode($this->providers_model->get_setting('working_plan', $provider_id), true);
|
|
|
|
$where_clause = array(
|
|
//'DATE(start_datetime)' => date('Y-m-d', strtotime($selected_date)),
|
|
'id_users_provider' => $provider_id
|
|
);
|
|
|
|
$reserved_appointments = $this->appointments_model->get_batch($where_clause);
|
|
|
|
// Sometimes it might be necessary to not take into account some appointment records
|
|
// in order to display what the providers' available time periods would be without them.
|
|
foreach ($exclude_appointments as $excluded_id) {
|
|
foreach ($reserved_appointments as $index => $reserved) {
|
|
if ($reserved['id'] == $excluded_id) {
|
|
unset($reserved_appointments[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find the empty spaces on the plan. The first split between the plan is due to
|
|
// a break (if exist). After that every reserved appointment is considered to be
|
|
// a taken space in the plan.
|
|
$selected_date_working_plan = $working_plan[strtolower(date('l', strtotime($selected_date)))];
|
|
$available_periods_with_breaks = array();
|
|
|
|
if (isset($selected_date_working_plan['breaks'])) {
|
|
if (count($selected_date_working_plan['breaks'])) {
|
|
foreach($selected_date_working_plan['breaks'] as $index=>$break) {
|
|
// Split the working plan to available time periods that do not
|
|
// contain the breaks in them.
|
|
$last_break_index = $index - 1;
|
|
|
|
if (count($available_periods_with_breaks) === 0) {
|
|
$start_hour = $selected_date_working_plan['start'];
|
|
$end_hour = $break['start'];
|
|
} else {
|
|
$start_hour = $selected_date_working_plan['breaks'][$last_break_index]['end'];
|
|
$end_hour = $break['start'];
|
|
}
|
|
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $start_hour,
|
|
'end' => $end_hour
|
|
);
|
|
}
|
|
|
|
// Add the period from the last break to the end of the day.
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $selected_date_working_plan['breaks'][$index]['end'],
|
|
'end' => $selected_date_working_plan['end']
|
|
);
|
|
} else {
|
|
$available_periods_with_breaks[] = array(
|
|
'start' => $selected_date_working_plan['start'],
|
|
'end' => $selected_date_working_plan['end']
|
|
);
|
|
}
|
|
}
|
|
|
|
// Break the empty periods with the reserved appointments.
|
|
$available_periods_with_appointments = $available_periods_with_breaks;
|
|
|
|
foreach($reserved_appointments as $appointment) {
|
|
foreach($available_periods_with_appointments as $index => &$period) {
|
|
|
|
$a_start = strtotime($appointment['start_datetime']);
|
|
$a_end = strtotime($appointment['end_datetime']);
|
|
$p_start = strtotime($selected_date . ' ' . $period['start']);
|
|
$p_end = strtotime($selected_date . ' ' .$period['end']);
|
|
|
|
if ($a_start <= $p_start && $a_end <= $p_end && $a_end <= $p_start) {
|
|
// The appointment does not belong in this time period, so we
|
|
// will not change anything.
|
|
} else if ($a_start <= $p_start && $a_end <= $p_end && $a_end >= $p_start) {
|
|
// The appointment starts before the period and finishes somewhere inside.
|
|
// We will need to break this period and leave the available part.
|
|
$period['start'] = date('H:i', $a_end);
|
|
|
|
} else if ($a_start >= $p_start && $a_end <= $p_end) {
|
|
// The appointment is inside the time period, so we will split the period
|
|
// into two new others.
|
|
unset($available_periods_with_appointments[$index]);
|
|
$available_periods_with_appointments[] = array(
|
|
'start' => date('H:i', $p_start),
|
|
'end' => date('H:i', $a_start)
|
|
);
|
|
$available_periods_with_appointments[] = array(
|
|
'start' => date('H:i', $a_end),
|
|
'end' => date('H:i', $p_end)
|
|
);
|
|
|
|
} else if ($a_start >= $p_start && $a_end >= $p_start && $a_start <= $p_end) {
|
|
// The appointment starts in the period and finishes out of it. We will
|
|
// need to remove the time that is taken from the appointment.
|
|
$period['end'] = date('H:i', $a_start);
|
|
|
|
} else if ($a_start >= $p_start && $a_end >= $p_end && $a_start >= $p_end) {
|
|
// The appointment does not belong in the period so do not change anything.
|
|
} else if ($a_start <= $p_start && $a_end >= $p_end && $a_start <= $p_end) {
|
|
// The appointment is bigger than the period, so this period needs to be
|
|
// removed.
|
|
unset($available_periods_with_appointments[$index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
return array_values($available_periods_with_appointments);
|
|
}
|
|
|
|
/**
|
|
* This method checks whether the application is installed.
|
|
*
|
|
* This method resides in this controller because the "index()" function will
|
|
* be the first to be launched after the files are on the server. NOTE that the
|
|
* "configuration.php" file must be already set because we won't be able to
|
|
* connect to the database otherwise.
|
|
*/
|
|
public function check_installation() {
|
|
try {
|
|
if (!$this->db->table_exists('ea_users')) {
|
|
// This is the first time the website is launched an the user needs to set
|
|
// the basic settings. Display the installation view page.
|
|
$view['base_url'] = $this->config->item('base_url');
|
|
$this->load->view('general/installation', $view);
|
|
return FALSE; // Do not display the book appointment view file.
|
|
} else {
|
|
return TRUE; // Application installed, continue ...
|
|
}
|
|
} catch(Exception $exc) {
|
|
echo $exc->getTrace();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Installs Easy!Appointments on server.
|
|
*
|
|
* @param array $_POST['admin'] Contains the initial admin user data. System needs at least
|
|
* one admin user to work.
|
|
* @param array $_POST['company'] Contains the basic company data.
|
|
*/
|
|
public function ajax_install() {
|
|
try {
|
|
// Create E!A database structure.
|
|
$file_contents = file_get_contents($this->config->item('base_url') . 'assets/sql/structure.sql');
|
|
$sql_queries = explode(';', $file_contents);
|
|
array_pop($sql_queries);
|
|
foreach($sql_queries as $query) {
|
|
$this->db->query($query);
|
|
}
|
|
|
|
// Insert admin
|
|
$this->load->model('admins_model');
|
|
$admin = json_decode($_POST['admin'], true);
|
|
$admin['settings']['username'] = $admin['username'];
|
|
$admin['settings']['password'] = $admin['password'];
|
|
unset($admin['username'], $admin['password']);
|
|
$admin['id'] = $this->admins_model->add($admin);
|
|
|
|
$this->load->library('session');
|
|
$this->session->set_userdata('user_id', $admin['id']);
|
|
$this->session->set_userdata('user_email', $admin['email']);
|
|
$this->session->set_userdata('role_slug', DB_SLUG_ADMIN);
|
|
$this->session->set_userdata('username', $admin['settings']['username']);
|
|
|
|
// Save company settings
|
|
$this->load->model('settings_model');
|
|
$company = json_decode($_POST['company'], true);
|
|
$this->settings_model->set_setting('company_name', $company['company_name']);
|
|
$this->settings_model->set_setting('company_email', $company['company_email']);
|
|
$this->settings_model->set_setting('company_link', $company['company_link']);
|
|
|
|
// Try to send a notification email for the new installation.
|
|
// IMPORTANT: THIS WILL ONLY BE USED TO TRACK THE INSTALLATION NUMBER AND
|
|
// NO PERSONAL DATA WILL BE USED FOR OTHER CAUSE.
|
|
try {
|
|
$this->load->library('notifications');
|
|
$this->notifications->send_new_installation($company['company_name'],
|
|
$company['company_email'], $company['company_link']);
|
|
} catch(Exception $exc) {
|
|
// Well, I guess we'll never know ...
|
|
}
|
|
|
|
echo json_encode(AJAX_SUCCESS);
|
|
|
|
} catch (Exception $exc) {
|
|
echo json_encode(array(
|
|
'exceptions' => array(exceptionToJavaScript($exc))
|
|
));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* End of file appointments.php */
|
|
/* Location: ./application/controllers/appointments.php */
|