CI =& get_instance(); if (!isset($_SESSION)) { @session_start(); } // Initialize google client and calendar service. $this->client = new Google_Client(); $this->client->setUseObjects(true); $this->client->setApplicationName(SystemConfiguration::$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. * * IMPORTANT! 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. * @parma array $company_settings Contains some company settings that are used * by this method. By the time the following values must be in the array: * 'company_name'. * * @return Google_Event Returns the Google_Event class object. */ public function update_appointment($appointment_data, $provider_data, $service_data, $customer_data, $company_settings) { $this->CI->load->helper('general'); $event = $this->service->events->get('primary', $appointment_data['id_google_calendar']); // Convert event to object $event->setSummary($service_data['name']); $event->setLocation($company_settings['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); $event_provider = new Google_EventAttendee(); $event_provider->setDisplayName($provider_data['first_name'] . ' ' . $provider_data['last_name']); $event_provider->setEmail($provider_data['email']); $event_customer = new Google_EventAttendee(); $event_customer->setDisplayName($customer_data['first_name'] . ' ' . $customer_data['last_name']); $event_customer->setEmail($customer_data['email']); $event->attendees = array( $event_provider, $event_customer ); $updated_event = $this->service->events->update('primary', $event->getId(), $event); return $updated_event; } /** * 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 */