mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-12-22 22:52:35 +03:00
228 lines
No EOL
9.6 KiB
PHP
228 lines
No EOL
9.6 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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// Google API PHP Client is necessary to perform sync operations.
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require_once dirname(__FILE__) . '/external/google-api-php-client/Google_Client.php';
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require_once dirname(__FILE__) . '/external/google-api-php-client/contrib/Google_CalendarService.php';
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require_once dirname(dirname(dirname(__FILE__))) . '/configuration.php';
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/**
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* Google Synchronization Class
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*
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* This class implements all the core synchronization between the Google Calendar
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* and the Easy!Appointments system.
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*/
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class Google_Sync {
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private $CI;
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private $client;
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private $service;
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/**
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* Class Constructor
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*
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* This method initializes the Google client class and the Calendar service
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* class so that they can be used by the other methods.
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*/
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public function __construct() {
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$this->CI =& get_instance();
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if (!isset($_SESSION)) {
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@session_start();
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}
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// Initialize google client and calendar service.
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$this->client = new Google_Client();
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$this->client->setUseObjects(true);
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$this->client->setApplicationName(SystemConfiguration::$google_product_name);
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$this->client->setClientId(SystemConfiguration::$google_client_id);
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$this->client->setClientSecret(SystemConfiguration::$google_client_secret);
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$this->client->setDeveloperKey(SystemConfiguration::$google_api_key);
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$this->client->setRedirectUri($this->CI->config->item('base_url') . 'google/oauth_callback');
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$this->service = new Google_CalendarService($this->client);
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}
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/**
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* Get Google OAuth authorization url.
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*
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* This url must be used to redirect the user to the Google user consent page,
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* where the user grants access to his data for the Easy!Appointments app.
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*/
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public function get_auth_url() {
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// "max_auth_age" is needed because the user needs to always log in
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// and not use an existing session.
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return $this->client->createAuthUrl() . '&max_auth_age=0';
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}
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/**
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* Authenticate the Google API usage.
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*
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* When the user grants consent for his data usage, google is going to redirect
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* the browser back to the given redirect url. There a authentication code is
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* provided. Using this code, we can authenticate the API usage and store the
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* token information to the database.
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*
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* @see Google Controller
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*/
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public function authenticate($auth_code) {
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$this->client->authenticate($auth_code);
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return $this->client->getAccessToken();
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}
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/**
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* Refresh the Google Client access token.
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*
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* This method must be executed every time we need to make actions on a
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* provider's Google Calendar account. A new token is necessary and the
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* only way to get it is to use the stored refresh token that was provided
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* when the provider granted consent to Easy!Appointments for use his
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* Google Calendar account.
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*
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* @param string $refresh_token The provider's refresh token. This value is
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* stored in the database and used every time we need to make actions to his
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* Google Caledar account.
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*/
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public function refresh_token($refresh_token) {
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$this->client->refreshToken($refresh_token);
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}
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/**
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* Add an appointment record to its providers Google Calendar account.
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*
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* This method checks whether the appointment's provider has enabled the Google
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* Sync utility of Easy!Appointments and the stored access token is still valid.
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* If yes, the selected appointment record is going to be added to the Google
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* Calendar account.
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*
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* <strong>IMPORTANT!</strong> If the access token is not valid anymore the
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* appointment cannot be added to the Google Calendar. A notification warning
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* must be sent to the provider in order to authorize the E!A again, and store
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* the new access token to the database.
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*
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* @param int $appointment_id The record id of the appointment that is going to
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* be added to the database.
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* @return Google_Event Returns the Google_Event class object.
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*
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* @task This library should not use the models. The data must be provided from
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* the controllers (same for notification library).
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*/
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public function add_appointment($appointment_id) {
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$this->CI->load->model('Appointments_Model');
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$this->CI->load->model('Providers_Model');
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$this->CI->load->model('Services_Model');
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$this->CI->load->model('Customers_Model');
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$this->CI->load->model('Settings_Model');
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$appointment_data = $this->CI->Appointments_Model->get_row($appointment_id);
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$provider_data = $this->CI->Providers_Model->get_row($appointment_data['id_users_provider']);
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$customer_data = $this->CI->Customers_Model->get_row($appointment_data['id_users_customer']);
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$service_data = $this->CI->Services_Model->get_row($appointment_data['id_services']);
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$company_name = $this->CI->Settings_Model->get_setting('company_name');
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$this->CI->load->helper('general');
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$event = new Google_Event();
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$event->setSummary($service_data['name']);
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$event->setLocation($company_name);
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$start = new Google_EventDateTime();
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$start->setDateTime(date3339(strtotime($appointment_data['start_datetime'])));
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$event->setStart($start);
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$end = new Google_EventDateTime();
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$end->setDateTime(date3339(strtotime($appointment_data['end_datetime'])));
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$event->setEnd($end);
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$eventProvider = new Google_EventAttendee();
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$eventProvider->setDisplayName($provider_data['first_name'] . ' '
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. $provider_data['last_name']);
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$eventProvider->setEmail($provider_data['email']);
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$eventCustomer = new Google_EventAttendee();
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$eventCustomer->setDisplayName($customer_data['first_name'] . ' '
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. $customer_data['last_name']);
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$eventCustomer->setEmail($customer_data['email']);
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$event->attendees = array(
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$eventProvider,
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$eventCustomer
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);
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// Add the new event to the "primary" calendar.
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$created_event = $this->service->events->insert('primary', $event);
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// Set the Google Calendar event id to the E!A database record.
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$appointment_data['id_google_calendar'] = $created_event['id'];
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$this->CI->Appointments_Model->add($appointment_data);
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return $created_event;
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}
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/**
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* Update an existing appointment that is already synced with Google Calendar.
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*
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* This method updates the google calendar event item that is connected with the
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* provided appointment record of Easy!Appointments.
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*
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* @param array $appointment_data Contains the appointment record data.
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* @param array $provider_data Contains the provider record data.
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* @param array $service_data Contains the service record data.
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* @param array $customer_data Contains the customer recod data.
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* @parma array $company_settings Contains some company settings that are used
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* by this method. By the time the following values must be in the array:
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* 'company_name'.
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*
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* @return Google_Event Returns the Google_Event class object.
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*/
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public function update_appointment($appointment_data, $provider_data,
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$service_data, $customer_data, $company_settings) {
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$this->CI->load->helper('general');
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$event = $this->service->events->get('primary', $appointment_data['id_google_calendar']);
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// Convert event to object
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$event->setSummary($service_data['name']);
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$event->setLocation($company_settings['company_name']);
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$start = new Google_EventDateTime();
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$start->setDateTime(date3339(strtotime($appointment_data['start_datetime'])));
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$event->setStart($start);
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$end = new Google_EventDateTime();
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$end->setDateTime(date3339(strtotime($appointment_data['end_datetime'])));
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$event->setEnd($end);
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$event_provider = new Google_EventAttendee();
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$event_provider->setDisplayName($provider_data['first_name'] . ' '
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. $provider_data['last_name']);
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$event_provider->setEmail($provider_data['email']);
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$event_customer = new Google_EventAttendee();
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$event_customer->setDisplayName($customer_data['first_name'] . ' '
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. $customer_data['last_name']);
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$event_customer->setEmail($customer_data['email']);
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$event->attendees = array(
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$event_provider,
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$event_customer
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);
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$updated_event = $this->service->events->update('primary', $event->getId(), $event);
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return $updated_event;
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}
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/**
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* Delete an existing appointment from Google Calendar.
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*
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* @param string $google_calendar_id The Google Calendar event id to
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* be deleted.
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*/
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public function delete_appointment($google_calendar_id) {
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$this->service->events->delete('primary', $google_calendar_id);
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}
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}
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/* End of file google_sync.php */
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/* Location: ./application/libraries/google_sync.php */ |