<?php
namespace Stratum\Managers;
class Token_Manager {
public function __construct() {
// Deactivation hook.
register_deactivation_hook( STRATUM_PLUGIN_FILE, [ $this, 'clear_scheduled_event' ] );
// Action hook to execute when the event is run
add_action( 'stratum_refresh_instagram_token', [ $this, 'refresh_instagram_token' ] );
add_filter( 'cron_schedules', [ $this , 'time_scheduled_event' ] );
add_action( 'update_option', [ $this, 'update_option' ], 10, 3 );
add_action( 'admin_init', [ $this, 'error_message' ] );
}
public function time_scheduled_event( $schedules ) {
if ( ! isset( $schedules[ 'two_weeks' ] ) ) {
/*
* https://developers.facebook.com/docs/instagram-basic-display-api/guides/long-lived-access-tokens/
*/
$schedules[ 'two_weeks' ] = [
'interval' => WEEK_IN_SECONDS * 2,
'display' => 'Once in Two Weeks'
];
}
return $schedules;
}
public function schedule_token_refresh_event() {
if ( ! wp_next_scheduled( 'stratum_refresh_instagram_token' ) ) {
wp_schedule_event( time(), 'two_weeks', 'stratum_refresh_instagram_token' );
}
}
public function update_option( $option_name, $old_value, $value ) {
if ( $option_name === 'stratum_api' ) {
delete_option( 'stratum_instagram_token_cron_error_message' );
if ( $value === '' ) {
$this->clear_scheduled_event();
}
}
}
public function clear_scheduled_event() {
$timestamp = wp_next_scheduled( 'stratum_refresh_instagram_token' );
if ( $timestamp ) {
wp_unschedule_event( $timestamp, 'stratum_refresh_instagram_token' );
}
}
public function refresh_instagram_token() {
$stratum_api = get_option( 'stratum_api', [] );
$instagram_access_token = isset($stratum_api['instagram_access_token']) ? $stratum_api['instagram_access_token'] : '';
if ( ! empty( $instagram_access_token ) ) {
$api_req = 'https://graph.instagram.com/refresh_access_token?grant_type=ig_refresh_token&access_token=' . $instagram_access_token;
$response = wp_remote_get( $api_req );
if ( is_wp_error( $response ) ) {
update_option( 'stratum_instagram_token_cron_error_message', $response->get_error_message() );
} else {
$response_body = json_decode( wp_remote_retrieve_body( $response ), false );
if ( $response_body && json_last_error() === JSON_ERROR_NONE ) {
if ( $response_body->error ) {
update_option( 'stratum_instagram_token_cron_error_message', $response_body->error->message );
} else {
delete_option( 'stratum_instagram_token_cron_error_message' );
if ( ! empty( $response_body->access_token ) ) {
// Update token
$stratum_api[ 'instagram_access_token' ] = $response_body->access_token;
update_option( 'stratum_api', $stratum_api );
// Delete cache data
delete_transient( 'stratum_instagram_response_data' );
// Schedule token refresh
$this->schedule_token_refresh_event();
}
}
} else {
update_option( 'stratum_instagram_token_cron_error_message', __( 'Error in json_decode.', 'stratum' ) );
}
}
}
}
public function stratum_instagram_notice_token_error() {
$instagram_token_error_message = get_option( 'stratum_instagram_token_cron_error_message' );
if ( ! empty( $instagram_token_error_message ) ) {
?>
<div class="notice notice-error">
<p>
<?php
echo esc_html( sprintf(
//translators: %s is an error message
__( 'Update Instagram Token. Error: %s', 'stratum' ),
$instagram_token_error_message
) );
?>
</p>
</div>
<?php
}
}
public function error_message() {
global $pagenow;
if ( $pagenow && $pagenow == 'admin.php' && current_user_can( 'manage_options' ) ) {
if ( get_option( 'stratum_instagram_token_cron_error_message' ) !== '' ) {
add_action( 'admin_notices', [ $this, 'stratum_instagram_notice_token_error' ] );
}
}
}
}