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<?php
namespace WPForms\Integrations\LiteConnect;
use WPForms\Helpers\Transient;
use WPForms\Tasks\Tasks;
/**
* Class Integration.
*
* Base integration between Lite Connect API and WPForms.
*
* @since 1.7.4
*/
class Integration extends API {
/**
* Authentication data.
*
* @since 1.7.4
*
* @var array
*/
protected $auth = [];
/**
* Option name to store the total count of Lite Connect entries.
*
* @since 1.7.4
*
* @var string
*/
const LITE_CONNECT_ENTRIES_COUNT_OPTION = 'wpforms_lite_connect_entries_count';
/**
* Integration constructor.
*
* @since 1.7.4
*/
public function __construct() {
static $updated;
parent::__construct();
// Update the site key and access token.
if (
! $updated &&
( is_admin() && ! wp_doing_ajax() ) &&
( ( wpforms()->is_pro() && self::get_enabled_since() ) || LiteConnect::is_enabled() )
) {
$this->update_keys();
$updated = true;
}
}
/**
* Update the site key and access token if they do not exist.
*
* @since 1.7.4
*/
public function update_keys() {
if ( isset( $this->auth['site_key'], $this->auth['access_token'] ) ) {
return;
}
$site_key = $this->get_site_key();
$this->auth = [
'site_key' => $site_key,
'access_token' => $this->get_access_token( $site_key ),
];
}
/**
* Get the site key.
*
* @since 1.7.4
*
* @return string|false|array The site key, or false on error.
*/
protected function get_site_key() {
// At first, try to get the site key from the wp-config.php file.
$debug_site_key = $this->get_debug_setting( 'key' );
if ( $debug_site_key !== false ) {
return $debug_site_key;
}
// If site key already exists, then we won't need to regenerate it.
$curr_key = wpforms_setting( 'site', false, self::get_option_name() );
if ( ! empty( $curr_key['key'] ) ) {
return $curr_key['key'];
}
// Generate the site key.
return $this->generate_site_key();
}
/**
* Get the access token.
*
* @since 1.7.4
*
* @param string|array $site_key The site key.
* @param bool $force True to force generate a new access token.
*
* @return string|false|void The access token, or false on error.
*/
protected function get_access_token( $site_key, $force = false ) {
if ( ! $site_key ) {
return false;
}
$curr_token = wpforms_setting( 'access_token', false, self::get_option_name() );
// It won't regenerate the access token if $force is false, and the current token is not expired.
if ( $force === false && isset( $curr_token['expires_at'] ) && (int) $curr_token['expires_at'] - time() > 0 ) {
return $curr_token['access_token'];
}
// Generate the access token.
$response = $this->generate_access_token( $site_key );
if ( $response ) {
$response = json_decode( $response, true );
if ( isset( $response['access_token'] ) ) {
$settings = get_option( self::get_option_name(), [] );
$settings['access_token'] = $response;
update_option( self::get_option_name(), $settings );
// Create task to refresh access token in 6 days.
$this->refresh_access_token_task();
return $response['access_token'];
}
wpforms_log(
'Lite Connect: unable to generate access token',
[
'response' => $response,
'request' => [
'domain' => $this->domain,
'site_id' => $this->site_id,
'wp_version' => get_bloginfo( 'version' ),
],
],
[ 'type' => [ 'error' ] ]
);
}
return false;
}
/**
* Create a task to refresh the access token.
*
* @since 1.7.4
*/
private function refresh_access_token_task() {
$tasks = wpforms()->get( 'tasks' );
if ( $tasks instanceof Tasks && ! $tasks->is_scheduled( RefreshAccessTokenTask::LITE_CONNECT_TASK ) ) {
( new RefreshAccessTokenTask() )->create();
}
}
/**
* Get the name for the Lite Connect's option.
*
* @since 1.7.4
*
* @return string
*/
public static function get_option_name() {
if ( defined( 'WPFORMS_LITE_CONNECT_STAGING' ) && WPFORMS_LITE_CONNECT_STAGING ) {
return API::STAGING_LITE_CONNECT_OPTION;
}
return API::LITE_CONNECT_OPTION;
}
/**
* Get the Lite Connect entries count.
*
* @since 1.7.4
*
* @return int The entries count.
*/
public static function get_entries_count() {
return (int) get_option( self::LITE_CONNECT_ENTRIES_COUNT_OPTION, 0 );
}
/**
* Get the Lite Connect new entries count (since previous import).
*
* @since 1.7.4
*
* @return int The new entries count.
*/
public static function get_new_entries_count() {
// Get current total entries count.
$count = self::get_entries_count();
// Reduces the entries that were already imported previously from the count.
$import = wpforms_setting( 'import', false, self::get_option_name() );
$prev_count = 0;
if ( isset( $import['previous_import_count'] ) ) {
$prev_count = (int) $import['previous_import_count'];
}
if ( isset( $import['previous_failed_count'] ) ) {
$prev_count += (int) $import['previous_failed_count'];
}
return $count < $prev_count ? 0 : $count - $prev_count;
}
/**
* Maybe restart the import flag (for when the user re-upgrades to pro).
*
* @since 1.7.4
*/
public static function maybe_restart_import_flag() {
$settings = get_option( self::get_option_name(), [] );
if ( empty( $settings ) ) {
return;
}
$status = isset( $settings['import']['status'] ) ? $settings['import']['status'] : false;
if ( $status === 'done' ) {
$previous_imported_entries = Transient::get( 'lite_connect_imported_entries' );
$settings['import']['previous_import_count'] = is_array( $previous_imported_entries ) ? count( $previous_imported_entries ) : 0;
$previous_failed_entries = Transient::get( 'lite_connect_failed_entries' );
$settings['import']['previous_failed_count'] = is_array( $previous_failed_entries ) ? count( $previous_failed_entries ) : 0;
}
self::maybe_set_entries_count();
// Reset import status to be able to restart import process.
unset(
$settings['import']['status'],
$settings['import']['user_notified']
);
update_option( self::get_option_name(), $settings );
if ( Transient::get( 'lite_connect_error' ) !== false ) {
Transient::delete( 'lite_connect_error' );
}
}
/**
* Get the Lite Connect enabled since timestamp.
*
* @since 1.7.4
*
* @return bool|int
*/
public static function get_enabled_since() {
return wpforms_setting( LiteConnect::SETTINGS_SLUG . '-since' );
}
/**
* Get the Email of the user who enabled Lite Connect.
*
* @since 1.7.4
*
* @return bool|string
*/
public static function get_enabled_email() {
return wpforms_setting( LiteConnect::SETTINGS_SLUG . '-email' );
}
/**
* Normalize Lite Connect entries counter when their value is wrong.
*
* @since 1.7.4
*/
public static function maybe_set_entries_count() {
$settings = get_option( self::get_option_name(), [] );
if ( empty( $settings ) ) {
return;
}
$previous_import_count = isset( $settings['import']['previous_import_count'] ) ? (int) $settings['import']['previous_import_count'] : 0;
$previous_failed_count = isset( $settings['import']['previous_failed_count'] ) ? (int) $settings['import']['previous_failed_count'] : 0;
$previous_import_count += $previous_failed_count;
// When the entries counter was manually deleted from options OR it was modified by another process,
// we are setting the counter to the value of the previous imported entries.
// In this way, the next form submission will increase counter properly, and user will see value of the backed up entries.
// Obviously, this solution is not perfect, but we don't have another source of the total entries count.
if ( $previous_import_count > self::get_entries_count() ) {
update_option( self::LITE_CONNECT_ENTRIES_COUNT_OPTION, $previous_import_count );
}
}
}