WordPress Theme autoupdate API integration code example

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This is an API example on how to use the Theme AutoUpdate functionality.


    define('WOO_SLT_APP_API_URL',      'http://YourDomainWhereSoftwareManagement.com/index.php');
    define('WOO_SLT_PRODUCT_ID',       'Unitque Software ID #@3');
    define('WOO_SLT_VERSION',          '1.0');
    
    define('WOO_SLT_INSTANCE',         str_replace(array ("https://" , "http://"), "", network_site_url()));;
    define('WOO_SLT_THEME_SLUG',        'my-theme-slug' );
    define('WOO_SLT_CHANGELOG_URL',     'http://YourDomainWhereSoftwareManagement.com/changelog/');

        class WOO_SLT_CodeAutoUpdate
         {
             # URL to check for updates, this is where the index.php script goes
             public $api_url;
             
             private $slug;
             
             public function __construct( $api_url, $slug )
                 {
                     $this->api_url = $api_url;
                     
                     $this->slug    = $slug;                 
                 }
             
             
             public function check_for_theme_update($checked_data)
                 {
                     if ( !is_object( $checked_data ) ||  ! isset ( $checked_data->response ) )
                        return $checked_data;
                     
                     $request_string = $this->prepare_request('theme_update');
                     if($request_string === FALSE)
                        return $checked_data;
                     
                     // Start checking for an update
                     $request_uri = $this->api_url . '?' . http_build_query( $request_string , '', '&');
                     $data = wp_remote_get( $request_uri );
                     
                     if(is_wp_error( $data ) || $data['response']['code'] != 200)
                        return $checked_data;
                     
                     $response_block = json_decode($data['body']);
                      
                     if(!is_array($response_block) || count($response_block) < 1)
                        return $checked_data;
                     
                     //retrieve the last message within the $response_block
                     $response_block = $response_block[count($response_block) - 1];
                     $response = isset($response_block->message) ? $response_block->message : '';
                     
                     if (is_object($response) && !empty($response)) // Feed the update data into WP updater
                         {
                             $response  =   $this->postprocess_response( $response );
                             
                             $checked_data->response[$this->slug] = (array)$response;
                         }
                     
                     return $checked_data;
                 }
             
             
             public function theme_api_call($def, $action, $args)
                 {
                     if (!is_object($args) || !isset($args->slug) || $args->slug != $this->slug)
                        return $def;
                         
                     $request_string = $this->prepare_request($action, $args);
                     if($request_string === FALSE)
                        return new WP_Error('theme_api_failed', __('An error occour when try to identify the pluguin.' , 'wooslt') . '&lt;/p> &lt;p>&lt;a href=&quot;?&quot; onclick=&quot;document.location.reload(); return false;&quot;>'. __( 'Try again', 'wooslt' ) .'&lt;/a>');;
                     
                     $request_uri = $this->api_url . '?' . http_build_query( $request_string , '', '&');
                     $data = wp_remote_get( $request_uri );
                     
                     if(is_wp_error( $data ) || $data['response']['code'] != 200)
                        return new WP_Error('theme_api_failed', __('An Unexpected HTTP Error occurred during the API request.' , 'wooslt') . '&lt;/p> &lt;p>&lt;a href=&quot;?&quot; onclick=&quot;document.location.reload(); return false;&quot;>'. __( 'Try again', 'wooslt' ) .'&lt;/a>', $data->get_error_message());
                     
                     $response_block = json_decode($data['body']);
                     //retrieve the last message within the $response_block
                     $response_block = $response_block[count($response_block) - 1];
                     $response = $response_block->message;
                     
                     if (is_object($response) && !empty($response)) // Feed the update data into WP updater
                         {
                             //include slug and plugin data
                             $response  =   $this->postprocess_response( $response );
                             
                             return $response;
                         }
                 }
             
             public function prepare_request($action, $args = array())
                 {
                     global $wp_version;
                     
                     $license_data = get_site_option('slt_license'); 
                     
                     return array(
                                     'woo_sl_action'        => $action,
                                     'version'              => WOO_SLT_VERSION,
                                     'product_unique_id'    => WOO_SLT_PRODUCT_ID,
                                     'licence_key'          => $license_data['key'],
                                     'domain'               => WOO_SLT_INSTANCE,
                                     
                                     'wp-version'           => $wp_version,
                                     'api_version'          => '1.1'
                                     
                     );
                 }
                 
             
             private function postprocess_response( $response )
                 {
                     //include slug and theme data
                     $response->theme       =   $this->slug;
                     
                     $response->url         =   WOO_SLT_CHANGELOG_URL;
                     
                     //if sections are being set
                     if ( isset ( $response->sections ) )
                        $response->sections = (array)$response->sections;
                     
                     //if banners are being set
                     if ( isset ( $response->banners ) )
                        $response->banners = (array)$response->banners;
                       
                     //if icons being set, convert to array
                     if ( isset ( $response->icons ) )
                        $response->icons    =   (array)$response->icons;
                     
                     return $response;
                     
                 }

         }
         
         
    function WOO_SLT_run_updater()
         {
         
             $wp_theme_auto_update = new WOO_SLT_CodeAutoUpdate( WOO_SLT_APP_API_URL, WOO_SLT_THEME_SLUG );
             
             // Take over the update check
             add_filter('site_transient_update_themes',                                        array($wp_theme_auto_update, 'check_for_theme_update'));
             
             // Take over the Plugin info screen
             add_filter('theme_api',                                                          array($wp_theme_auto_update, 'theme_api_call'), 10, 3);
         
         }
    add_action( 'after_setup_theme', 'WOO_SLT_run_updater' );

By woocommerce-sl, posted on August 1, 2017

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