MaketRandevu/src/application/libraries/google_sync.php

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
// Google API PHP Client is necessary to perform sync operations.
require_once dirname(__FILE__) . '/external/google-api-php-client/Google_Client.php';
require_once dirname(__FILE__) . '/external/google-api-php-client/contrib/Google_CalendarService.php';
require_once dirname(dirname(dirname(__FILE__))) . '/configuration.php';
/**
* Google Synchronization Class
*
* This class implements all the core synchronization between the Google Calendar
* and the Easy!Appointments system.
*/
class Google_Sync {
private $CI;
private $client;
private $service;
/**
* Class Constructor
*
* This method initializes the Google client class and the Calendar service
* class so that they can be used by the other methods.
*/
public function __construct() {
$this->CI =& get_instance();
if (!isset($_SESSION)) {
@session_start();
}
// Initialize google client and calendar service.
$this->client = new Google_Client();
$this->client->setApplicationName(SystemConfiguration::$google_product_name);
$this->client->setClientId(SystemConfiguration::$google_client_id);
$this->client->setClientSecret(SystemConfiguration::$google_client_secret);
$this->client->setDeveloperKey(SystemConfiguration::$google_api_key);
$this->client->setRedirectUri($this->CI->config->item('base_url') . 'google/oauth_callback');
$this->service = new Google_CalendarService($this->client);
}
/**
* Get Google OAuth authorization url.
*
* This url must be used to redirect the user to the Google user consent page,
* where the user grants access to his data for the Easy!Appointments app.
*/
public function get_auth_url() {
// "max_auth_age" is needed because the user needs to always log in
// and not use an existing session.
return $this->client->createAuthUrl() . '&max_auth_age=0';
}
/**
* Authenticate the Google API usage.
*
* When the user grants consent for his data usage, google is going to redirect
* the browser back to the given redirect url. There a authentication code is
* provided. Using this code, we can authenticate the API usage and store the
* token information to the database.
*
* @see Google Controller
*/
public function authenticate($auth_code) {
$this->client->authenticate($auth_code);
return $this->client->getAccessToken();
}
/**
* Refresh the Google Client access token.
*
* This method must be executed every time we need to make actions on a
* provider's Google Calendar account. A new token is necessary and the
* only way to get it is to use the stored refresh token that was provided
* when the provider granted consent to Easy!Appointments for use his
* Google Calendar account.
*
* @param string $refresh_token The provider's refresh token. This value is
* stored in the database and used every time we need to make actions to his
* Google Caledar account.
*/
public function refresh_token($refresh_token) {
$this->client->refreshToken($refresh_token);
}
/**
* Add an appointment record to its providers Google Calendar account.
*
* This method checks whether the appointment's provider has enabled the Google
* Sync utility of Easy!Appointments and the stored access token is still valid.
* If yes, the selected appointment record is going to be added to the Google
* Calendar account.
*
* <strong>IMPORTANT!</strong> If the access token is not valid anymore the
* appointment cannot be added to the Google Calendar. A notification warning
* must be sent to the provider in order to authorize the E!A again, and store
* the new access token to the database.
*
* @param int $appointment_id The record id of the appointment that is going to
* be added to the database.
* @return Google_Event Returns the Google_Event class object.
*
* @task This library should not use the models. The data must be provided from
* the controllers (same for notification library).
*/
public function add_appointment($appointment_id) {
$this->CI->load->model('Appointments_Model');
$this->CI->load->model('Providers_Model');
$this->CI->load->model('Services_Model');
$this->CI->load->model('Customers_Model');
$this->CI->load->model('Settings_Model');
$appointment_data = $this->CI->Appointments_Model->get_row($appointment_id);
$provider_data = $this->CI->Providers_Model->get_row($appointment_data['id_users_provider']);
$customer_data = $this->CI->Customers_Model->get_row($appointment_data['id_users_customer']);
$service_data = $this->CI->Services_Model->get_row($appointment_data['id_services']);
$company_name = $this->CI->Settings_Model->get_setting('company_name');
$this->CI->load->helper('general');
$event = new Google_Event();
$event->setSummary($service_data['name']);
$event->setLocation($company_name);
$start = new Google_EventDateTime();
$start->setDateTime(date3339(strtotime($appointment_data['start_datetime'])));
$event->setStart($start);
$end = new Google_EventDateTime();
$end->setDateTime(date3339(strtotime($appointment_data['end_datetime'])));
$event->setEnd($end);
$eventProvider = new Google_EventAttendee();
$eventProvider->setDisplayName($provider_data['first_name'] . ' '
. $provider_data['last_name']);
$eventProvider->setEmail($provider_data['email']);
$eventCustomer = new Google_EventAttendee();
$eventCustomer->setDisplayName($customer_data['first_name'] . ' '
. $customer_data['last_name']);
$eventCustomer->setEmail($customer_data['email']);
$event->attendees = array(
$eventProvider,
$eventCustomer
);
// Add the new event to the "primary" calendar.
$created_event = $this->service->events->insert('primary', $event);
// Set the Google Calendar event id to the E!A database record.
$appointment_data['id_google_calendar'] = $created_event['id'];
$this->CI->Appointments_Model->add($appointment_data);
return $created_event;
}
/**
* Update an existing appointment that is already synced with Google Calendar.
*
* This method updates the google calendar event item that is connected with the
* provided appointment record of Easy!Appointments.
*
* @param array $appointment_data Contains the appointment record data.
* @param array $provider_data Contains the provider record data.
* @param array $service_data Contains the service record data.
* @param array $customer_data Contains the customer recod data.
*/
public function update_appointment($appointment_data, $provider_data,
$service_data, $customer_data) {
$this->CI->load->helper('general');
}
/**
* Delete an existing appointment from Google Calendar.
*
* @param string $google_calendar_id The Google Calendar event id to
* be deleted.
*/
public function delete_appointment($google_calendar_id) {
$this->service->events->delete('primary', $google_calendar_id);
}
}
/* End of file google_sync.php */
/* Location: ./application/libraries/google_sync.php */