diff --git a/src/application/controllers/google.php b/src/application/controllers/google.php index 71c4f01d..0d45d98e 100644 --- a/src/application/controllers/google.php +++ b/src/application/controllers/google.php @@ -1,228 +1,228 @@ - - * @copyright Copyright (c) 2013 - 2015, Alex Tselegidis - * @license http://opensource.org/licenses/GPL-3.0 - GPLv3 - * @link http://easyappointments.org - * @since v1.0.0 - * ---------------------------------------------------------------------------- */ - -/** - * Google Controller - * - * @package Controllers - */ -class Google extends CI_Controller { - public function __construct() { - parent::__construct(); - } - - /** - * Authorize Google Calendar API usage for a specific provider. - * - * Since it is required to follow the web application flow, in order to retrieve - * a refresh token from the Google API service, this method is going to authorize - * the given provider. - * - * @param int $provider_id The provider id, for whom the sync authorization is made. - */ - public function oauth($provider_id) { - // Store the provider id for use on the callback function. - if (!isset($_SESSION)) { - @session_start(); - } - $_SESSION['oauth_provider_id'] = $provider_id; - - // Redirect browser to google user content page. - $this->load->library('Google_Sync'); - header('Location: ' . $this->google_sync->get_auth_url()); - } - - /** - * Callback method for the Google Calendar API authorization process. - * - * Once the user grants consent with his Google Calendar data usage, the Google - * OAuth service will redirect him back in this page. Here we are going to store - * the refresh token, because this is what will be used to generate access tokens - * in the future. - * - * IMPORTANT! Because it is necessary to authorize the application - * using the web server flow (see official documentation of OAuth), every - * Easy!Appointments installation should use its own calendar api key. So in every - * api console account, the "http://path-to-e!a/google/oauth_callback" should be - * included in an allowed redirect url. - */ - public function oauth_callback() { - if (isset($_GET['code'])) { - $this->load->library('Google_Sync'); - $token = $this->google_sync->authenticate($_GET['code']); - - // Store the token into the database for future reference. - if (!isset($_SESSION)) { - @session_start(); - } - - if (isset($_SESSION['oauth_provider_id'])) { - $this->load->model('providers_model'); - $this->providers_model->set_setting('google_sync', TRUE, - $_SESSION['oauth_provider_id']); - $this->providers_model->set_setting('google_token', $token, - $_SESSION['oauth_provider_id']); - $this->providers_model->set_setting('google_calendar', 'primary', - $_SESSION['oauth_provider_id']); - } else { - echo '

Sync provider id not specified!

'; - } - } else { - echo '

Authorization Failed!

'; - } - } - - /** - * Complete synchronization of appointments between Google Calendar and Easy!Appointments. - * - * This method will completely sync the appointments of a provider with his Google Calendar - * account. The sync period needs to be relatively small, because a lot of API calls might - * be necessary and this will lead to consuming the Google limit for the Calendar API usage. - * - * @param numeric $provider_id Provider record to be synced. - */ - public function sync($provider_id = NULL) { - try { - // The user must be logged in. - $this->load->library('session'); - if ($this->session->userdata('user_id') == FALSE) return; - - if ($provider_id === NULL) { - throw new Exception('Provider id not specified.'); - } - - $this->load->model('appointments_model'); - $this->load->model('providers_model'); - $this->load->model('services_model'); - $this->load->model('customers_model'); - $this->load->model('settings_model'); - - $provider = $this->providers_model->get_row($provider_id); - - // Check whether the selected provider has google sync enabled. - $google_sync = $this->providers_model->get_setting('google_sync', $provider['id']); - if (!$google_sync) { - throw new Exception('The selected provider has not the google synchronization ' - . 'setting enabled.'); - } - - $google_token = json_decode($this->providers_model->get_setting('google_token', $provider['id'])); - $this->load->library('google_sync'); - $this->google_sync->refresh_token($google_token->refresh_token); - - // Fetch provider's appointments that belong to the sync time period. - $sync_past_days = $this->providers_model->get_setting('sync_past_days', $provider['id']); - $sync_future_days = $this->providers_model->get_setting('sync_future_days', $provider['id']); - $start = strtotime('-' . $sync_past_days . ' days', strtotime(date('Y-m-d'))); - $end = strtotime('+' . $sync_future_days . ' days', strtotime(date('Y-m-d'))); - - $where_clause = array( - 'start_datetime >=' => date('Y-m-d H:i:s', $start), - 'end_datetime <=' => date('Y-m-d H:i:s', $end), - 'id_users_provider' => $provider['id'] - ); - - $appointments = $this->appointments_model->get_batch($where_clause); - - $company_settings = array( - 'company_name' => $this->settings_model->get_setting('company_name'), - 'company_link' => $this->settings_model->get_setting('company_link'), - 'company_email' => $this->settings_model->get_setting('company_email') - ); - - // Sync each appointment with Google Calendar by following the project's sync - // protocol (see documentation). - foreach($appointments as $appointment) { - if ($appointment['is_unavailable'] == FALSE) { - $service = $this->services_model->get_row($appointment['id_services']); - $customer = $this->customers_model->get_row($appointment['id_users_customer']); - } else { - $service = NULL; - $customer = NULL; - } - - // If current appointment not synced yet, add to gcal. - if ($appointment['id_google_calendar'] == NULL) { - $google_event = $this->google_sync->add_appointment($appointment, $provider, - $service, $customer, $company_settings); - $appointment['id_google_calendar'] = $google_event->id; - $this->appointments_model->add($appointment); // Save gcal id - } else { - // Appointment is synced with google calendar. - try { - $google_event = $this->google_sync->get_event($provider, $appointment['id_google_calendar']); - - if ($google_event->status == 'cancelled') { - throw new Exception('Event is cancelled, remove the record from Easy!Appointments.'); - } - - // If gcal event is different from e!a appointment then update e!a record. - $is_different = FALSE; - $appt_start = strtotime($appointment['start_datetime']); - $appt_end = strtotime($appointment['end_datetime']); - $event_start = strtotime($google_event->getStart()->getDateTime()); - $event_end = strtotime($google_event->getEnd()->getDateTime()); - - if ($appt_start != $event_start || $appt_end != $event_end) { - $is_different = TRUE; - } - - if ($is_different) { - $appointment['start_datetime'] = date('Y-m-d H:i:s', $event_start); - $appointment['end_datetime'] = date('Y-m-d H:i:s', $event_end); - $this->appointments_model->add($appointment); - } - - } catch(Exception $exc) { - // Appointment not found on gcal, delete from e!a. - $this->appointments_model->delete($appointment['id']); - $appointment['id_google_calendar'] = NULL; - } - } - } - - // :: ADD GCAL EVENTS THAT ARE NOT PRESENT ON E!A - $google_calendar = $provider['settings']['google_calendar']; - $events = $this->google_sync->get_sync_events($google_calendar, $start, $end); - - foreach($events->getItems() as $event) { - $results = $this->appointments_model->get_batch(array('id_google_calendar' => $event->getId())); - if (count($results) == 0) { - // Record doesn't exist in E!A, so add the event now. - $appointment = array( - 'start_datetime' => date('Y-m-d H:i:s', strtotime($event->start->getDateTime())), - 'end_datetime' => date('Y-m-d H:i:s', strtotime($event->end->getDateTime())), - '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 $exc) { - echo json_encode(array( - 'exceptions' => array($exc) - )); - } - } -} - -/* End of file google.php */ -/* Location: ./application/controllers/google.php */ \ No newline at end of file + + * @copyright Copyright (c) 2013 - 2015, Alex Tselegidis + * @license http://opensource.org/licenses/GPL-3.0 - GPLv3 + * @link http://easyappointments.org + * @since v1.0.0 + * ---------------------------------------------------------------------------- */ + +/** + * Google Controller + * + * @package Controllers + */ +class Google extends CI_Controller { + public function __construct() { + parent::__construct(); + } + + /** + * Authorize Google Calendar API usage for a specific provider. + * + * Since it is required to follow the web application flow, in order to retrieve + * a refresh token from the Google API service, this method is going to authorize + * the given provider. + * + * @param int $provider_id The provider id, for whom the sync authorization is made. + */ + public function oauth($provider_id) { + // Store the provider id for use on the callback function. + if (!isset($_SESSION)) { + @session_start(); + } + $_SESSION['oauth_provider_id'] = $provider_id; + + // Redirect browser to google user content page. + $this->load->library('Google_Sync'); + header('Location: ' . $this->google_sync->get_auth_url()); + } + + /** + * Callback method for the Google Calendar API authorization process. + * + * Once the user grants consent with his Google Calendar data usage, the Google + * OAuth service will redirect him back in this page. Here we are going to store + * the refresh token, because this is what will be used to generate access tokens + * in the future. + * + * IMPORTANT! Because it is necessary to authorize the application + * using the web server flow (see official documentation of OAuth), every + * Easy!Appointments installation should use its own calendar api key. So in every + * api console account, the "http://path-to-e!a/google/oauth_callback" should be + * included in an allowed redirect url. + */ + public function oauth_callback() { + if (isset($_GET['code'])) { + $this->load->library('Google_Sync'); + $token = $this->google_sync->authenticate($_GET['code']); + + // Store the token into the database for future reference. + if (!isset($_SESSION)) { + @session_start(); + } + + if (isset($_SESSION['oauth_provider_id'])) { + $this->load->model('providers_model'); + $this->providers_model->set_setting('google_sync', TRUE, + $_SESSION['oauth_provider_id']); + $this->providers_model->set_setting('google_token', $token, + $_SESSION['oauth_provider_id']); + $this->providers_model->set_setting('google_calendar', 'primary', + $_SESSION['oauth_provider_id']); + } else { + echo '

Sync provider id not specified!

'; + } + } else { + echo '

Authorization Failed!

'; + } + } + + /** + * Complete synchronization of appointments between Google Calendar and Easy!Appointments. + * + * This method will completely sync the appointments of a provider with his Google Calendar + * account. The sync period needs to be relatively small, because a lot of API calls might + * be necessary and this will lead to consuming the Google limit for the Calendar API usage. + * + * @param numeric $provider_id Provider record to be synced. + */ + public function sync($provider_id = NULL) { + try { + // The user must be logged in. + $this->load->library('session'); + if ($this->session->userdata('user_id') == FALSE) return; + + if ($provider_id === NULL) { + throw new Exception('Provider id not specified.'); + } + + $this->load->model('appointments_model'); + $this->load->model('providers_model'); + $this->load->model('services_model'); + $this->load->model('customers_model'); + $this->load->model('settings_model'); + + $provider = $this->providers_model->get_row($provider_id); + + // Check whether the selected provider has google sync enabled. + $google_sync = $this->providers_model->get_setting('google_sync', $provider['id']); + if (!$google_sync) { + throw new Exception('The selected provider has not the google synchronization ' + . 'setting enabled.'); + } + + $google_token = json_decode($this->providers_model->get_setting('google_token', $provider['id'])); + $this->load->library('google_sync'); + $this->google_sync->refresh_token($google_token->refresh_token); + + // Fetch provider's appointments that belong to the sync time period. + $sync_past_days = $this->providers_model->get_setting('sync_past_days', $provider['id']); + $sync_future_days = $this->providers_model->get_setting('sync_future_days', $provider['id']); + $start = strtotime('-' . $sync_past_days . ' days', strtotime(date('Y-m-d'))); + $end = strtotime('+' . $sync_future_days . ' days', strtotime(date('Y-m-d'))); + + $where_clause = array( + 'start_datetime >=' => date('Y-m-d H:i:s', $start), + 'end_datetime <=' => date('Y-m-d H:i:s', $end), + 'id_users_provider' => $provider['id'] + ); + + $appointments = $this->appointments_model->get_batch($where_clause); + + $company_settings = array( + 'company_name' => $this->settings_model->get_setting('company_name'), + 'company_link' => $this->settings_model->get_setting('company_link'), + 'company_email' => $this->settings_model->get_setting('company_email') + ); + + // Sync each appointment with Google Calendar by following the project's sync + // protocol (see documentation). + foreach($appointments as $appointment) { + if ($appointment['is_unavailable'] == FALSE) { + $service = $this->services_model->get_row($appointment['id_services']); + $customer = $this->customers_model->get_row($appointment['id_users_customer']); + } else { + $service = NULL; + $customer = NULL; + } + + // If current appointment not synced yet, add to gcal. + if ($appointment['id_google_calendar'] == NULL) { + $google_event = $this->google_sync->add_appointment($appointment, $provider, + $service, $customer, $company_settings); + $appointment['id_google_calendar'] = $google_event->id; + $this->appointments_model->add($appointment); // Save gcal id + } else { + // Appointment is synced with google calendar. + try { + $google_event = $this->google_sync->get_event($provider, $appointment['id_google_calendar']); + + if ($google_event->status == 'cancelled') { + throw new Exception('Event is cancelled, remove the record from Easy!Appointments.'); + } + + // If gcal event is different from e!a appointment then update e!a record. + $is_different = FALSE; + $appt_start = strtotime($appointment['start_datetime']); + $appt_end = strtotime($appointment['end_datetime']); + $event_start = strtotime($google_event->getStart()->getDateTime()); + $event_end = strtotime($google_event->getEnd()->getDateTime()); + + if ($appt_start != $event_start || $appt_end != $event_end) { + $is_different = TRUE; + } + + if ($is_different) { + $appointment['start_datetime'] = date('Y-m-d H:i:s', $event_start); + $appointment['end_datetime'] = date('Y-m-d H:i:s', $event_end); + $this->appointments_model->add($appointment); + } + + } catch(Exception $exc) { + // Appointment not found on gcal, delete from e!a. + $this->appointments_model->delete($appointment['id']); + $appointment['id_google_calendar'] = NULL; + } + } + } + + // :: ADD GCAL EVENTS THAT ARE NOT PRESENT ON E!A + $google_calendar = $provider['settings']['google_calendar']; + $events = $this->google_sync->get_sync_events($google_calendar, $start, $end); + + foreach($events->getItems() as $event) { + $results = $this->appointments_model->get_batch(array('id_google_calendar' => $event->getId())); + if (count($results) == 0) { + // Record doesn't exist in E!A, so add the event now. + $appointment = array( + 'start_datetime' => date('Y-m-d H:i:s', strtotime($event->start->getDateTime())), + 'end_datetime' => date('Y-m-d H:i:s', strtotime($event->end->getDateTime())), + '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 */