mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-11-14 03:52:21 +03:00
368 lines
14 KiB
PHP
368 lines
14 KiB
PHP
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Open Source Web Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
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* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link http://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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use Google\Service\Calendar\Events;
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/**
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* Google sync library
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*
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* Handles Google Calendar API related functionality.
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*
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* @package Libraries
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*/
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class Google_sync {
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/**
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* @var EA_Controller
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*/
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protected $CI;
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/**
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* @var Google_Client
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*/
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protected $client;
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/**
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* @var Google_Service_Calendar
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*/
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protected $service;
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/**
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* Google_sync constructor.
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*
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* This method initializes the Google client class and the Calendar service class so that they can be used by the
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* other methods.
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*/
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public function __construct()
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{
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$this->CI =& get_instance();
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$this->client = new Google_Client();
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$this->client->setApplicationName(config('google_application_name'));
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$this->client->setClientId(config('google_client_id'));
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$this->client->setClientSecret(config('google_client_secret'));
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$this->client->setDeveloperKey(config('google_api_key'));
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$this->client->setRedirectUri(site_url('google/oauth_callback'));
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$this->client->setPrompt('consent');
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$this->client->setAccessType('offline');
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$this->client->addScope([
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Google_Service_Calendar::CALENDAR,
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Google_Service_Calendar::CALENDAR_READONLY
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]);
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$this->service = new Google_Service_Calendar($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(): string
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{
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// The "max_auth_age" is needed because the user needs to always log in 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 the browser back to the given
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* redirect URL. There an authentication code is provided. Using this code, we can authenticate the API usage and
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* store the token information to the database.
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*
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* @param string $code
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*
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* @return array
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*
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* @throws Exception
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*/
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public function authenticate(string $code): array
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{
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$response = $this->client->fetchAccessTokenWithAuthCode($code);
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if (isset($response['error']))
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{
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throw new Exception('Google Authentication Error (' . $response['error'] . '): ' . $response['error_description']);
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}
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return $response;
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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 provider's Google Calendar account. A new
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* token is necessary and the only way to get it is to use the stored refresh token that was provided when the
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* provider granted consent to Easy!Appointments for use his Google Calendar account.
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*
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* @param string $refresh_token The provider's refresh token. This value is stored in the database and used every
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* time we need to make actions to his Google Calendar account.
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*/
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public function refresh_token(string $refresh_token)
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{
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$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 Sync utility of Easy!Appointments
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* and the stored access token is still valid. If yes, the selected appointment record is going to be added to the
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* Google Calendar account.
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*
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* @param array $appointment Appointment data.
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* @param array $provider Provider data.
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* @param array $service Service data.
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* @param array $customer Customer data.
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* @param array $settings Required settings.
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*
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* @return Google_Service_Calendar_Event Returns the Google_Event class object.
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*
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* @throws Exception
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*/
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public function add_appointment(array $appointment, array $provider, array $service, array $customer, array $settings): Google_Service_Calendar_Event
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{
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$event = new Google_Service_Calendar_Event();
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$event->setSummary(! empty($service) ? $service['name'] : 'Unavailable');
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$event->setDescription($appointment['notes']);
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$event->setLocation($appointment['location'] ?? $settings['company_name']);
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$timezone = new DateTimeZone($provider['timezone']);
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$start = new Google_Service_Calendar_EventDateTime();
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$start->setDateTime((new DateTime($appointment['start_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setStart($start);
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$end = new Google_Service_Calendar_EventDateTime();
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$end->setDateTime((new DateTime($appointment['end_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setEnd($end);
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$event->attendees = [];
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$event_provider = new Google_Service_Calendar_EventAttendee();
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$event_provider->setDisplayName($provider['first_name'] . ' '
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. $provider['last_name']);
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$event_provider->setEmail($provider['email']);
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$event->attendees[] = $event_provider;
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if ( ! empty($customer))
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{
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$event_customer = new Google_Service_Calendar_EventAttendee();
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$event_customer->setDisplayName($customer['first_name'] . ' ' . $customer['last_name']);
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$event_customer->setEmail($customer['email']);
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$event->attendees[] = $event_customer;
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}
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// Add the new event to the Google Calendar.
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return $this->service->events->insert($provider['settings']['google_calendar'], $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 provided appointment record of
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* Easy!Appointments.
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*
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* @param array $appointment Appointment data.
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* @param array $provider Provider data.
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* @param array $service Service data.
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* @param array $customer Customer data.
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* @parma array $settings Required settings.
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*
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* @return Google_Service_Calendar_Event Returns the Google_Service_Calendar_Event class object.
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*
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* @throws Exception
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*/
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public function update_appointment(array $appointment, array $provider, array $service, array $customer, array $settings): Google_Service_Calendar_Event
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{
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$event = $this->service->events->get($provider['settings']['google_calendar'],
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$appointment['id_google_calendar']);
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$event->setSummary($service['name']);
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$event->setDescription($appointment['notes']);
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$event->setLocation($appointment['location'] ?? $settings['company_name']);
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$timezone = new DateTimeZone($provider['timezone']);
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$start = new Google_Service_Calendar_EventDateTime();
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$start->setDateTime((new DateTime($appointment['start_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setStart($start);
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$end = new Google_Service_Calendar_EventDateTime();
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$end->setDateTime((new DateTime($appointment['end_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setEnd($end);
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$event->attendees = [];
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$event_provider = new Google_Service_Calendar_EventAttendee();
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$event_provider->setDisplayName($provider['first_name'] . ' ' . $provider['last_name']);
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$event_provider->setEmail($provider['email']);
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$event->attendees[] = $event_provider;
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if ( ! empty($customer))
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{
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$event_customer = new Google_Service_Calendar_EventAttendee();
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$event_customer->setDisplayName($customer['first_name'] . ' '
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. $customer['last_name']);
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$event_customer->setEmail($customer['email']);
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$event->attendees[] = $event_customer;
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}
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return $this->service->events->update($provider['settings']['google_calendar'], $event->getId(), $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 array $provider Provider data.
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* @param string $google_event_id The Google Calendar event ID to be removed.
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*/
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public function delete_appointment(array $provider, string $google_event_id)
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{
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$this->service->events->delete($provider['settings']['google_calendar'], $google_event_id);
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}
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/**
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* Add unavailable period event to Google Calendar.
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*
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* @param array $provider Provider data.
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* @param array $unavailable Unavailable data.
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*
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* @return Google_Service_Calendar_Event Returns the Google event.
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*
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* @throws Exception
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*/
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public function add_unavailable(array $provider, array $unavailable): Google_Service_Calendar_Event
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{
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$event = new Google_Service_Calendar_Event();
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$event->setSummary('Unavailable');
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$event->setDescription($unavailable['notes']);
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$timezone = new DateTimeZone($provider['timezone']);
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$start = new Google_Service_Calendar_EventDateTime();
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$start->setDateTime((new DateTime($unavailable['start_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setStart($start);
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$end = new Google_Service_Calendar_EventDateTime();
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$end->setDateTime((new DateTime($unavailable['end_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setEnd($end);
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// Add the new event to the Google Calendar.
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return $this->service->events->insert($provider['settings']['google_calendar'], $event);
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}
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/**
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* Update Google Calendar unavailable period event.
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*
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* @param array $provider Provider data.
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* @param array $unavailable Unavailable data.
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*
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* @return Google_Service_Calendar_Event Returns the Google_Service_Calendar_Event object.
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*
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* @throws Exception
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*/
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public function update_unavailable(array $provider, array $unavailable): Google_Service_Calendar_Event
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{
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$event = $this->service->events->get($provider['settings']['google_calendar'], $unavailable['id_google_calendar']);
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$event->setDescription($unavailable['notes']);
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$timezone = new DateTimeZone($provider['timezone']);
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$start = new Google_Service_Calendar_EventDateTime();
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$start->setDateTime((new DateTime($unavailable['start_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setStart($start);
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$end = new Google_Service_Calendar_EventDateTime();
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$end->setDateTime((new DateTime($unavailable['end_datetime'], $timezone))->format(DateTimeInterface::RFC3339));
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$event->setEnd($end);
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return $this->service->events->update($provider['settings']['google_calendar'], $event->getId(), $event);
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}
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/**
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* Delete unavailable period event from Google Calendar.
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*
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* @param array $provider Provider data.
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* @param string $google_event_id Google Calendar event ID to be removed.
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*/
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public function delete_unavailable(array $provider, string $google_event_id)
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{
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$this->service->events->delete($provider['settings']['google_calendar'], $google_event_id);
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}
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/**
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* Get a Google Calendar event.
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*
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* @param array $provider Provider data.
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* @param string $google_event_id Google Calendar event ID.
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*
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* @return Google_Service_Calendar_Event Returns the Google Calendar event.
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*/
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public function get_event(array $provider, string $google_event_id): Google_Service_Calendar_Event
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{
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return $this->service->events->get($provider['settings']['google_calendar'], $google_event_id);
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}
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/**
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* Get all the events between the sync period.
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*
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* @param string $google_calendar The name of the Google Calendar to be used.
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* @param string $start The start date of sync period.
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* @param string $end The end date of sync period.
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*
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* @return Events Returns a collection of events.
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*/
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public function get_sync_events(string $google_calendar, string $start, string $end): Events
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{
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$params = [
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'timeMin' => date(DateTimeInterface::RFC3339, $start),
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'timeMax' => date(DateTimeInterface::RFC3339, $end),
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'singleEvents' => TRUE,
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];
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return $this->service->events->listEvents($google_calendar, $params);
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}
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/**
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* Return available Google Calendars for specific user.
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*
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* The given user's token must already exist in db in order to get access to his
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* Google Calendar account.
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*
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* @return array Returns an array with the available calendars.
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*/
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public function get_google_calendars(): array
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{
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$calendar_list = $this->service->calendarList->listCalendarList();
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$calendars = [];
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foreach ($calendar_list->items as $google_calendar)
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{
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if ($google_calendar->getAccessRole() === 'reader')
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{
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continue;
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}
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$calendars[] = [
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'id' => $google_calendar->id,
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'summary' => $google_calendar->summary
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];
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}
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return $calendars;
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}
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}
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