Fixes #4
This commit is contained in:
Alex Tselegidis
parent
ca71a6a2ff
commit
b4181f502c
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@ -1,228 +1,228 @@
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<?php if ( ! defined('BASEPATH')) 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 - 2015, 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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/**
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* Google Controller
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*
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* @package Controllers
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*/
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class Google extends CI_Controller {
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public function __construct() {
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parent::__construct();
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}
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/**
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* Authorize Google Calendar API usage for a specific provider.
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*
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* Since it is required to follow the web application flow, in order to retrieve
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* a refresh token from the Google API service, this method is going to authorize
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* the given provider.
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*
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* @param int $provider_id The provider id, for whom the sync authorization is made.
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*/
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public function oauth($provider_id) {
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// Store the provider id for use on the callback function.
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if (!isset($_SESSION)) {
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@session_start();
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}
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$_SESSION['oauth_provider_id'] = $provider_id;
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// Redirect browser to google user content page.
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$this->load->library('Google_Sync');
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header('Location: ' . $this->google_sync->get_auth_url());
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}
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/**
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* Callback method for the Google Calendar API authorization process.
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*
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* Once the user grants consent with his Google Calendar data usage, the Google
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* OAuth service will redirect him back in this page. Here we are going to store
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* the refresh token, because this is what will be used to generate access tokens
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* in the future.
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*
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* <strong>IMPORTANT!</strong> Because it is necessary to authorize the application
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* using the web server flow (see official documentation of OAuth), every
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* Easy!Appointments installation should use its own calendar api key. So in every
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* api console account, the "http://path-to-e!a/google/oauth_callback" should be
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* included in an allowed redirect url.
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*/
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public function oauth_callback() {
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if (isset($_GET['code'])) {
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$this->load->library('Google_Sync');
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$token = $this->google_sync->authenticate($_GET['code']);
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// Store the token into the database for future reference.
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if (!isset($_SESSION)) {
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@session_start();
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}
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if (isset($_SESSION['oauth_provider_id'])) {
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$this->load->model('providers_model');
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$this->providers_model->set_setting('google_sync', TRUE,
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$_SESSION['oauth_provider_id']);
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$this->providers_model->set_setting('google_token', $token,
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$_SESSION['oauth_provider_id']);
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$this->providers_model->set_setting('google_calendar', 'primary',
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$_SESSION['oauth_provider_id']);
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} else {
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echo '<h1>Sync provider id not specified!</h1>';
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}
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} else {
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echo '<h1>Authorization Failed!</h1>';
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}
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}
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/**
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* Complete synchronization of appointments between Google Calendar and Easy!Appointments.
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*
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* This method will completely sync the appointments of a provider with his Google Calendar
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* account. The sync period needs to be relatively small, because a lot of API calls might
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* be necessary and this will lead to consuming the Google limit for the Calendar API usage.
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*
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* @param numeric $provider_id Provider record to be synced.
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*/
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public function sync($provider_id = NULL) {
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try {
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// The user must be logged in.
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$this->load->library('session');
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if ($this->session->userdata('user_id') == FALSE) return;
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if ($provider_id === NULL) {
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throw new Exception('Provider id not specified.');
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}
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('services_model');
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$this->load->model('customers_model');
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$this->load->model('settings_model');
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$provider = $this->providers_model->get_row($provider_id);
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// Check whether the selected provider has google sync enabled.
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$google_sync = $this->providers_model->get_setting('google_sync', $provider['id']);
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if (!$google_sync) {
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throw new Exception('The selected provider has not the google synchronization '
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. 'setting enabled.');
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}
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$google_token = json_decode($this->providers_model->get_setting('google_token', $provider['id']));
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$this->load->library('google_sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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// Fetch provider's appointments that belong to the sync time period.
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$sync_past_days = $this->providers_model->get_setting('sync_past_days', $provider['id']);
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$sync_future_days = $this->providers_model->get_setting('sync_future_days', $provider['id']);
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$start = strtotime('-' . $sync_past_days . ' days', strtotime(date('Y-m-d')));
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$end = strtotime('+' . $sync_future_days . ' days', strtotime(date('Y-m-d')));
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$where_clause = array(
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'start_datetime >=' => date('Y-m-d H:i:s', $start),
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'end_datetime <=' => date('Y-m-d H:i:s', $end),
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'id_users_provider' => $provider['id']
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);
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$appointments = $this->appointments_model->get_batch($where_clause);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_link' => $this->settings_model->get_setting('company_link'),
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'company_email' => $this->settings_model->get_setting('company_email')
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);
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// Sync each appointment with Google Calendar by following the project's sync
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// protocol (see documentation).
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foreach($appointments as $appointment) {
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if ($appointment['is_unavailable'] == FALSE) {
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$service = $this->services_model->get_row($appointment['id_services']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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} else {
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$service = NULL;
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$customer = NULL;
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}
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// If current appointment not synced yet, add to gcal.
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if ($appointment['id_google_calendar'] == NULL) {
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$google_event = $this->google_sync->add_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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$appointment['id_google_calendar'] = $google_event->id;
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$this->appointments_model->add($appointment); // Save gcal id
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} else {
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// Appointment is synced with google calendar.
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try {
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$google_event = $this->google_sync->get_event($provider, $appointment['id_google_calendar']);
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if ($google_event->status == 'cancelled') {
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throw new Exception('Event is cancelled, remove the record from Easy!Appointments.');
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}
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// If gcal event is different from e!a appointment then update e!a record.
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$is_different = FALSE;
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$appt_start = strtotime($appointment['start_datetime']);
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$appt_end = strtotime($appointment['end_datetime']);
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$event_start = strtotime($google_event->getStart()->getDateTime());
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$event_end = strtotime($google_event->getEnd()->getDateTime());
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if ($appt_start != $event_start || $appt_end != $event_end) {
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$is_different = TRUE;
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}
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if ($is_different) {
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$appointment['start_datetime'] = date('Y-m-d H:i:s', $event_start);
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$appointment['end_datetime'] = date('Y-m-d H:i:s', $event_end);
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$this->appointments_model->add($appointment);
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}
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} catch(Exception $exc) {
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// Appointment not found on gcal, delete from e!a.
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$this->appointments_model->delete($appointment['id']);
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$appointment['id_google_calendar'] = NULL;
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}
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}
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}
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// :: ADD GCAL EVENTS THAT ARE NOT PRESENT ON E!A
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$google_calendar = $provider['settings']['google_calendar'];
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$events = $this->google_sync->get_sync_events($google_calendar, $start, $end);
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foreach($events->getItems() as $event) {
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$results = $this->appointments_model->get_batch(array('id_google_calendar' => $event->getId()));
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if (count($results) == 0) {
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// Record doesn't exist in E!A, so add the event now.
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$appointment = array(
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'start_datetime' => date('Y-m-d H:i:s', strtotime($event->start->getDateTime())),
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'end_datetime' => date('Y-m-d H:i:s', strtotime($event->end->getDateTime())),
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'is_unavailable' => TRUE,
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'notes' => $event->getSummary() . ' ' . $event->getDescription(),
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'id_users_provider' => $provider_id,
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'id_google_calendar' => $event->getId(),
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'id_users_customer' => NULL,
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'id_services' => NULL,
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);
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$this->appointments_model->add($appointment);
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}
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}
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echo json_encode(AJAX_SUCCESS);
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} catch(Exception $exc) {
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echo json_encode(array(
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'exceptions' => array($exc)
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));
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}
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}
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}
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/* End of file google.php */
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/* Location: ./application/controllers/google.php */
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<?php if ( ! defined('BASEPATH')) 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 - 2015, 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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/**
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* Google Controller
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*
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* @package Controllers
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*/
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class Google extends CI_Controller {
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public function __construct() {
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parent::__construct();
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}
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/**
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* Authorize Google Calendar API usage for a specific provider.
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*
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* Since it is required to follow the web application flow, in order to retrieve
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* a refresh token from the Google API service, this method is going to authorize
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* the given provider.
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*
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* @param int $provider_id The provider id, for whom the sync authorization is made.
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*/
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public function oauth($provider_id) {
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// Store the provider id for use on the callback function.
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if (!isset($_SESSION)) {
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@session_start();
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}
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$_SESSION['oauth_provider_id'] = $provider_id;
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// Redirect browser to google user content page.
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$this->load->library('Google_Sync');
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header('Location: ' . $this->google_sync->get_auth_url());
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}
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/**
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* Callback method for the Google Calendar API authorization process.
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*
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* Once the user grants consent with his Google Calendar data usage, the Google
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* OAuth service will redirect him back in this page. Here we are going to store
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* the refresh token, because this is what will be used to generate access tokens
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* in the future.
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*
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* <strong>IMPORTANT!</strong> Because it is necessary to authorize the application
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* using the web server flow (see official documentation of OAuth), every
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* Easy!Appointments installation should use its own calendar api key. So in every
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* api console account, the "http://path-to-e!a/google/oauth_callback" should be
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* included in an allowed redirect url.
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*/
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public function oauth_callback() {
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if (isset($_GET['code'])) {
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$this->load->library('Google_Sync');
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$token = $this->google_sync->authenticate($_GET['code']);
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// Store the token into the database for future reference.
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if (!isset($_SESSION)) {
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@session_start();
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}
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if (isset($_SESSION['oauth_provider_id'])) {
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$this->load->model('providers_model');
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$this->providers_model->set_setting('google_sync', TRUE,
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$_SESSION['oauth_provider_id']);
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$this->providers_model->set_setting('google_token', $token,
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$_SESSION['oauth_provider_id']);
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$this->providers_model->set_setting('google_calendar', 'primary',
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$_SESSION['oauth_provider_id']);
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} else {
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echo '<h1>Sync provider id not specified!</h1>';
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}
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} else {
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echo '<h1>Authorization Failed!</h1>';
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}
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}
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/**
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* Complete synchronization of appointments between Google Calendar and Easy!Appointments.
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*
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* This method will completely sync the appointments of a provider with his Google Calendar
|
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* account. The sync period needs to be relatively small, because a lot of API calls might
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* be necessary and this will lead to consuming the Google limit for the Calendar API usage.
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*
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* @param numeric $provider_id Provider record to be synced.
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*/
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public function sync($provider_id = NULL) {
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try {
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// The user must be logged in.
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$this->load->library('session');
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if ($this->session->userdata('user_id') == FALSE) return;
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if ($provider_id === NULL) {
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throw new Exception('Provider id not specified.');
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}
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('services_model');
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$this->load->model('customers_model');
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$this->load->model('settings_model');
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$provider = $this->providers_model->get_row($provider_id);
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// Check whether the selected provider has google sync enabled.
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$google_sync = $this->providers_model->get_setting('google_sync', $provider['id']);
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if (!$google_sync) {
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throw new Exception('The selected provider has not the google synchronization '
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. 'setting enabled.');
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}
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$google_token = json_decode($this->providers_model->get_setting('google_token', $provider['id']));
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$this->load->library('google_sync');
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$this->google_sync->refresh_token($google_token->refresh_token);
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// Fetch provider's appointments that belong to the sync time period.
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$sync_past_days = $this->providers_model->get_setting('sync_past_days', $provider['id']);
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$sync_future_days = $this->providers_model->get_setting('sync_future_days', $provider['id']);
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$start = strtotime('-' . $sync_past_days . ' days', strtotime(date('Y-m-d')));
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$end = strtotime('+' . $sync_future_days . ' days', strtotime(date('Y-m-d')));
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$where_clause = array(
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'start_datetime >=' => date('Y-m-d H:i:s', $start),
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'end_datetime <=' => date('Y-m-d H:i:s', $end),
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'id_users_provider' => $provider['id']
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);
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$appointments = $this->appointments_model->get_batch($where_clause);
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$company_settings = array(
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'company_name' => $this->settings_model->get_setting('company_name'),
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'company_link' => $this->settings_model->get_setting('company_link'),
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'company_email' => $this->settings_model->get_setting('company_email')
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);
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// Sync each appointment with Google Calendar by following the project's sync
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// protocol (see documentation).
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foreach($appointments as $appointment) {
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if ($appointment['is_unavailable'] == FALSE) {
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$service = $this->services_model->get_row($appointment['id_services']);
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$customer = $this->customers_model->get_row($appointment['id_users_customer']);
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} else {
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$service = NULL;
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$customer = NULL;
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}
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// If current appointment not synced yet, add to gcal.
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if ($appointment['id_google_calendar'] == NULL) {
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$google_event = $this->google_sync->add_appointment($appointment, $provider,
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$service, $customer, $company_settings);
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$appointment['id_google_calendar'] = $google_event->id;
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$this->appointments_model->add($appointment); // Save gcal id
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} else {
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// Appointment is synced with google calendar.
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try {
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$google_event = $this->google_sync->get_event($provider, $appointment['id_google_calendar']);
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if ($google_event->status == 'cancelled') {
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throw new Exception('Event is cancelled, remove the record from Easy!Appointments.');
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}
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// If gcal event is different from e!a appointment then update e!a record.
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$is_different = FALSE;
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$appt_start = strtotime($appointment['start_datetime']);
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$appt_end = strtotime($appointment['end_datetime']);
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$event_start = strtotime($google_event->getStart()->getDateTime());
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$event_end = strtotime($google_event->getEnd()->getDateTime());
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if ($appt_start != $event_start || $appt_end != $event_end) {
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$is_different = TRUE;
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}
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if ($is_different) {
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$appointment['start_datetime'] = date('Y-m-d H:i:s', $event_start);
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$appointment['end_datetime'] = date('Y-m-d H:i:s', $event_end);
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$this->appointments_model->add($appointment);
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}
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} catch(Exception $exc) {
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// Appointment not found on gcal, delete from e!a.
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$this->appointments_model->delete($appointment['id']);
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$appointment['id_google_calendar'] = NULL;
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}
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}
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}
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// :: ADD GCAL EVENTS THAT ARE NOT PRESENT ON E!A
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$google_calendar = $provider['settings']['google_calendar'];
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$events = $this->google_sync->get_sync_events($google_calendar, $start, $end);
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foreach($events->getItems() as $event) {
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$results = $this->appointments_model->get_batch(array('id_google_calendar' => $event->getId()));
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if (count($results) == 0) {
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// Record doesn't exist in E!A, so add the event now.
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$appointment = array(
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'start_datetime' => date('Y-m-d H:i:s', strtotime($event->start->getDateTime())),
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'end_datetime' => date('Y-m-d H:i:s', strtotime($event->end->getDateTime())),
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'is_unavailable' => TRUE,
|
||||
'notes' => $event->getSummary() . ' ' . $event->getDescription(),
|
||||
'id_users_provider' => $provider_id,
|
||||
'id_google_calendar' => $event->getId(),
|
||||
'id_users_customer' => NULL,
|
||||
'id_services' => NULL,
|
||||
);
|
||||
|
||||
$this->appointments_model->add($appointment);
|
||||
}
|
||||
}
|
||||
|
||||
echo json_encode(AJAX_SUCCESS);
|
||||
|
||||
} catch(Exception $exc) {
|
||||
echo json_encode(array(
|
||||
'exceptions' => array(exceptionToJavaScript($exc))
|
||||
));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* End of file google.php */
|
||||
/* Location: ./application/controllers/google.php */
|
||||
|
|
|
|||
Loading…
Reference in New Issue