mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-11-13 03:23:18 +03:00
306 lines
13 KiB
PHP
306 lines
13 KiB
PHP
<?php defined('BASEPATH') or exit('No direct script access allowed');
|
|
|
|
/* ----------------------------------------------------------------------------
|
|
* Easy!Appointments - Open Source Web Scheduler
|
|
*
|
|
* @package EasyAppointments
|
|
* @author A.Tselegidis <alextselegidis@gmail.com>
|
|
* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
|
|
* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
|
|
* @link https://easyappointments.org
|
|
* @since v1.0.0
|
|
* ---------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Google Controller
|
|
*
|
|
* This controller handles the Google Calendar synchronization operations.
|
|
*
|
|
* @package Controllers
|
|
*/
|
|
class Google extends EA_Controller {
|
|
/**
|
|
* Google constructor.
|
|
*/
|
|
public function __construct()
|
|
{
|
|
parent::__construct();
|
|
$this->load->library('google_sync');
|
|
$this->load->model('providers_model');
|
|
}
|
|
|
|
/**
|
|
* Complete synchronization of appointments between Google Calendar and Easy!Appointments.
|
|
*
|
|
* This method will completely sync the appointments of a provider with his Google Calendar account. The sync period
|
|
* needs to be relatively small, because a lot of API calls might be necessary and this will lead to consuming the
|
|
* Google limit for the Calendar API usage.
|
|
*
|
|
* @param int $provider_id Provider record to be synced.
|
|
*/
|
|
public static function sync($provider_id = NULL)
|
|
{
|
|
try
|
|
{
|
|
$CI = get_instance();
|
|
|
|
// The user must be logged in.
|
|
if ($CI->session->userdata('user_id') == FALSE && is_cli() === FALSE)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ($provider_id === NULL)
|
|
{
|
|
throw new Exception('Provider id not specified.');
|
|
}
|
|
|
|
$CI->load->model('appointments_model');
|
|
$CI->load->model('providers_model');
|
|
$CI->load->model('services_model');
|
|
$CI->load->model('customers_model');
|
|
$CI->load->model('settings_model');
|
|
|
|
$provider = $CI->providers_model->get_row($provider_id);
|
|
|
|
// Check whether the selected provider has google sync enabled.
|
|
$google_sync = $CI->providers_model->get_setting('google_sync', $provider['id']);
|
|
|
|
if ( ! $google_sync)
|
|
{
|
|
throw new Exception('The selected provider has not the google synchronization setting enabled.');
|
|
}
|
|
|
|
$google_token = json_decode($CI->providers_model->get_setting('google_token', $provider['id']));
|
|
$CI->load->library('google_sync');
|
|
$CI->google_sync->refresh_token($google_token->refresh_token);
|
|
|
|
// Fetch provider's appointments that belong to the sync time period.
|
|
$sync_past_days = $CI->providers_model->get_setting('sync_past_days', $provider['id']);
|
|
$sync_future_days = $CI->providers_model->get_setting('sync_future_days', $provider['id']);
|
|
$start = strtotime('-' . $sync_past_days . ' days', strtotime(date('Y-m-d')));
|
|
$end = strtotime('+' . $sync_future_days . ' days', strtotime(date('Y-m-d')));
|
|
|
|
$where_clause = [
|
|
'start_datetime >=' => date('Y-m-d H:i:s', $start),
|
|
'end_datetime <=' => date('Y-m-d H:i:s', $end),
|
|
'id_users_provider' => $provider['id']
|
|
];
|
|
|
|
$appointments = $CI->appointments_model->get_batch($where_clause);
|
|
|
|
$company_settings = [
|
|
'company_name' => $CI->settings_model->get_setting('company_name'),
|
|
'company_link' => $CI->settings_model->get_setting('company_link'),
|
|
'company_email' => $CI->settings_model->get_setting('company_email')
|
|
];
|
|
|
|
$provider_timezone = new DateTimeZone($provider['timezone']);
|
|
|
|
// Sync each appointment with Google Calendar by following the project's sync protocol (see documentation).
|
|
foreach ($appointments as $appointment)
|
|
{
|
|
if ($appointment['is_unavailable'] == FALSE)
|
|
{
|
|
$service = $CI->services_model->get_row($appointment['id_services']);
|
|
$customer = $CI->customers_model->get_row($appointment['id_users_customer']);
|
|
}
|
|
else
|
|
{
|
|
$service = NULL;
|
|
$customer = NULL;
|
|
}
|
|
|
|
// If current appointment not synced yet, add to Google Calendar.
|
|
if ($appointment['id_google_calendar'] == NULL)
|
|
{
|
|
$google_event = $CI->google_sync->add_appointment($appointment, $provider,
|
|
$service, $customer, $company_settings);
|
|
$appointment['id_google_calendar'] = $google_event->id;
|
|
$CI->appointments_model->add($appointment); // Save the Google Calendar ID.
|
|
}
|
|
else
|
|
{
|
|
// Appointment is synced with google calendar.
|
|
try
|
|
{
|
|
$google_event = $CI->google_sync->get_event($provider, $appointment['id_google_calendar']);
|
|
|
|
if ($google_event->status == 'cancelled')
|
|
{
|
|
throw new Exception('Event is cancelled, remove the record from Easy!Appointments.');
|
|
}
|
|
|
|
// If Google Calendar event is different from Easy!Appointments appointment then update
|
|
// Easy!Appointments record.
|
|
$is_different = FALSE;
|
|
$appt_start = strtotime($appointment['start_datetime']);
|
|
$appt_end = strtotime($appointment['end_datetime']);
|
|
$event_start = new DateTime($google_event->getStart()->getDateTime());
|
|
$event_start->setTimezone($provider_timezone);
|
|
$event_end = new DateTime($google_event->getEnd()->getDateTime());
|
|
$event_end->setTimezone($provider_timezone);
|
|
|
|
|
|
if ($appt_start != $event_start->getTimestamp() || $appt_end != $event_end->getTimestamp()
|
|
|| $appointment['notes'] !== $google_event->getDescription())
|
|
{
|
|
$is_different = TRUE;
|
|
}
|
|
|
|
if ($is_different)
|
|
{
|
|
$appointment['start_datetime'] = $event_start->format('Y-m-d H:i:s');
|
|
$appointment['end_datetime'] = $event_end->format('Y-m-d H:i:s');
|
|
$appointment['notes'] = $google_event->getDescription();
|
|
$CI->appointments_model->add($appointment);
|
|
}
|
|
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
// Appointment not found on Google Calendar, delete from Easy!Appoinmtents.
|
|
$CI->appointments_model->delete($appointment['id']);
|
|
$appointment['id_google_calendar'] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Add Google Calendar events that do not exist in Easy!Appointments.
|
|
$google_calendar = $provider['settings']['google_calendar'];
|
|
$google_events = $CI->google_sync->get_sync_events($google_calendar, $start, $end);
|
|
|
|
foreach ($google_events->getItems() as $google_event)
|
|
{
|
|
if ($google_event->getStatus() === 'cancelled')
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if ($google_event->getStart() === NULL || $google_event->getEnd() === NULL)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if ($google_event->getStart()->getDateTime() === $google_event->getEnd()->getDateTime())
|
|
{
|
|
$event_start = new DateTime($google_event->getStart()->getDate());
|
|
date_time_set($event_start, 0, 0);
|
|
$event_start->setTimezone($provider_timezone);
|
|
$event_end = new DateTime($google_event->getEnd()->getDate());
|
|
date_modify($event_end, '-1 day');
|
|
date_time_set($event_end, 23, 59);
|
|
$event_end->setTimezone($provider_timezone);
|
|
}
|
|
else
|
|
{
|
|
$event_start = new DateTime($google_event->getStart()->getDateTime());
|
|
$event_start->setTimezone($provider_timezone);
|
|
$event_end = new DateTime($google_event->getEnd()->getDateTime());
|
|
$event_end->setTimezone($provider_timezone);
|
|
}
|
|
|
|
$results = $CI->appointments_model->get_batch(['id_google_calendar' => $google_event->getId()]);
|
|
|
|
if ( ! empty($results))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
|
|
// Record doesn't exist in the Easy!Appointments, so add the event now.
|
|
$appointment = [
|
|
'start_datetime' => $event_start->format('Y-m-d H:i:s'),
|
|
'end_datetime' => $event_end->format('Y-m-d H:i:s'),
|
|
'is_unavailable' => TRUE,
|
|
'location' => $google_event->getLocation(),
|
|
'notes' => $google_event->getSummary() . ' ' . $google_event->getDescription(),
|
|
'id_users_provider' => $provider_id,
|
|
'id_google_calendar' => $google_event->getId(),
|
|
'id_users_customer' => NULL,
|
|
'id_services' => NULL,
|
|
];
|
|
|
|
$CI->appointments_model->add($appointment);
|
|
}
|
|
|
|
$response = AJAX_SUCCESS;
|
|
}
|
|
catch (Exception $exception)
|
|
{
|
|
$CI->output->set_status_header(500);
|
|
|
|
$response = [
|
|
'message' => $exception->getMessage(),
|
|
'trace' => config('debug') ? $exception->getTrace() : []
|
|
];
|
|
}
|
|
|
|
$CI->output
|
|
->set_content_type('application/json')
|
|
->set_output(json_encode($response));
|
|
}
|
|
|
|
/**
|
|
* Authorize Google Calendar API usage for a specific provider.
|
|
*
|
|
* Since it is required to follow the web application flow, in order to retrieve a refresh token from the Google API
|
|
* service, this method is going to authorize the given provider.
|
|
*
|
|
* @param int $provider_id The provider id, for whom the sync authorization is made.
|
|
*/
|
|
public function oauth($provider_id)
|
|
{
|
|
// Store the provider id for use on the callback function.
|
|
$this->session->set_userdata('oauth_provider_id', $provider_id);
|
|
|
|
// Redirect browser to google user content page.
|
|
header('Location: ' . $this->google_sync->get_auth_url());
|
|
}
|
|
|
|
/**
|
|
* Callback method for the Google Calendar API authorization process.
|
|
*
|
|
* Once the user grants consent with his Google Calendar data usage, the Google OAuth service will redirect him back
|
|
* in this page. Here we are going to store the refresh token, because this is what will be used to generate access
|
|
* tokens in the future.
|
|
*
|
|
* IMPORTANT: Because it is necessary to authorize the application using the web server flow (see official
|
|
* documentation of OAuth), every Easy!Appointments installation should use its own calendar api key. So in every
|
|
* api console account, the "http://path-to-Easy!Appointments/google/oauth_callback" should be included in an allowed redirect URL.
|
|
*/
|
|
public function oauth_callback()
|
|
{
|
|
$code = $this->input->get('code');
|
|
|
|
if (empty($code))
|
|
{
|
|
$this->output->set_output('Code authorization failed.');
|
|
return;
|
|
}
|
|
|
|
$token = $this->google_sync->authenticate($code);
|
|
|
|
if (empty($token))
|
|
{
|
|
$this->output->set_output('Token authorization failed.');
|
|
return;
|
|
}
|
|
|
|
// Store the token into the database for future reference.
|
|
$oauth_provider_id = $this->session->userdata('oauth_provider_id');
|
|
|
|
if ($oauth_provider_id)
|
|
{
|
|
$this->providers_model->set_setting('google_sync', TRUE, $oauth_provider_id);
|
|
$this->providers_model->set_setting('google_token', json_encode($token), $oauth_provider_id);
|
|
$this->providers_model->set_setting('google_calendar', 'primary', $oauth_provider_id);
|
|
}
|
|
else
|
|
{
|
|
$this->output->set_output('Sync provider id not specified.');
|
|
}
|
|
}
|
|
|
|
|
|
}
|