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<?php
namespace Imagify\Bulk;
use Exception;
use Imagify\Traits\InstanceGetterTrait;
/**
* Bulk optimization
*/
class Bulk {
use InstanceGetterTrait;
/**
* Class init: launch hooks.
*
* @since 2.1
*/
public function init() {
add_action( 'imagify_optimize_media', [ $this, 'optimize_media' ], 10, 3 );
add_action( 'imagify_convert_next_gen', [ $this, 'generate_nextgen_versions' ], 10, 2 );
add_action( 'wp_ajax_imagify_bulk_optimize', [ $this, 'bulk_optimize_callback' ] );
add_action( 'wp_ajax_imagify_missing_nextgen_generation', [ $this, 'missing_nextgen_callback' ] );
add_action( 'wp_ajax_imagify_get_folder_type_data', [ $this, 'get_folder_type_data_callback' ] );
add_action( 'wp_ajax_imagify_bulk_info_seen', [ $this, 'bulk_info_seen_callback' ] );
add_action( 'wp_ajax_imagify_bulk_get_stats', [ $this, 'bulk_get_stats_callback' ] );
add_action( 'imagify_after_optimize', [ $this, 'check_optimization_status' ], 10, 2 );
add_action( 'imagify_deactivation', [ $this, 'delete_transients_data' ] );
add_action( 'update_option_imagify_settings', [ $this, 'maybe_generate_missing_nextgen' ], 10, 2 );
}
/**
* Delete transients data on deactivation
*
* @return void
*/
public function delete_transients_data() {
delete_transient( 'imagify_custom-folders_optimize_running' );
delete_transient( 'imagify_wp_optimize_running' );
delete_transient( 'imagify_bulk_optimization_complete' );
delete_transient( 'imagify_missing_next_gen_total' );
}
/**
* Checks bulk optimization status after each optimization task
*
* @param ProcessInterface $process The optimization process.
* @param array $item The item being processed.
*
* @return void
*/
public function check_optimization_status( $process, $item ) {
$custom_folders = get_transient( 'imagify_custom-folders_optimize_running' );
$library_wp = get_transient( 'imagify_wp_optimize_running' );
if (
! $custom_folders
&&
! $library_wp
) {
return;
}
$data = $process->get_data();
$progress = get_transient( 'imagify_bulk_optimization_result' );
if ( $data->is_optimized() ) {
$size_data = $data->get_size_data();
if ( false === $progress ) {
$progress = [
'total' => 0,
'original_size' => 0,
'optimized_size' => 0,
];
}
$progress['total']++;
$progress['original_size'] += $size_data['original_size'];
$progress['optimized_size'] += $size_data['optimized_size'];
set_transient( 'imagify_bulk_optimization_result', $progress, DAY_IN_SECONDS );
}
$remaining = 0;
if ( false !== $custom_folders ) {
if ( false !== strpos( $item['process_class'], 'CustomFolders' ) ) {
$custom_folders['remaining']--;
set_transient( 'imagify_custom-folders_optimize_running', $custom_folders, DAY_IN_SECONDS );
$remaining += $custom_folders['remaining'];
}
}
if ( false !== $library_wp ) {
if ( false !== strpos( $item['process_class'], 'WP' ) ) {
$library_wp['remaining']--;
set_transient( 'imagify_wp_optimize_running', $library_wp, DAY_IN_SECONDS );
$remaining += $library_wp['remaining'];
}
}
if ( 0 >= $remaining ) {
delete_transient( 'imagify_custom-folders_optimize_running' );
delete_transient( 'imagify_wp_optimize_running' );
set_transient( 'imagify_bulk_optimization_complete', 1, DAY_IN_SECONDS );
}
}
/**
* Decrease optimization running counter for the given context
*
* @param string $context Context to update.
*
* @return void
*/
private function decrease_counter( string $context ) {
$counter = get_transient( "imagify_{$context}_optimize_running" );
if ( false === $counter ) {
return;
}
$counter['total'] = $counter['total'] - 1;
$counter['remaining'] = $counter['remaining'] - 1;
if (
0 === $counter['total']
&&
0 >= $counter['remaining']
) {
delete_transient( "imagify_{$context}_optimize_running" );
}
set_transient( "imagify_{$context}_optimize_running", $counter, DAY_IN_SECONDS );
}
/**
* Process a media with the requested imagify bulk action.
*
* @since 2.1
*
* @param int $media_id Media ID.
* @param string $context Current context.
* @param int $optimization_level Optimization level.
*/
public function optimize_media( int $media_id, string $context, int $optimization_level ) {
if ( ! $media_id || ! $context || ! is_numeric( $optimization_level ) ) {
$this->decrease_counter( $context );
return;
}
$this->force_optimize( $media_id, $context, $optimization_level );
}
/**
* Runs the bulk optimization
*
* @param string $context Current context (WP/Custom folders).
* @param int $optimization_level Optimization level.
*
* @return array
*/
public function run_optimize( string $context, int $optimization_level ) {
if ( ! $this->can_optimize() ) {
return [
'success' => false,
'message' => 'over-quota',
];
}
$media_ids = $this->get_bulk_instance( $context )->get_unoptimized_media_ids( $optimization_level );
if ( empty( $media_ids ) ) {
return [
'success' => false,
'message' => 'no-images',
];
}
foreach ( $media_ids as $media_id ) {
try {
as_enqueue_async_action(
'imagify_optimize_media',
[
'id' => $media_id,
'context' => $context,
'level' => $optimization_level,
],
"imagify-{$context}-optimize-media"
);
} catch ( Exception $exception ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch
// nothing to do.
}
}
$data = [
'total' => count( $media_ids ),
'remaining' => count( $media_ids ),
];
set_transient( "imagify_{$context}_optimize_running", $data, DAY_IN_SECONDS );
return [
'success' => true,
'message' => 'success',
];
}
/**
* Runs the next-gen generation
*
* @param array $contexts An array of contexts (WP/Custom folders).
* @param array $formats An array of format to generate.
*
* @return array
*/
public function run_generate_nextgen( array $contexts, array $formats ) {
if ( ! $this->can_optimize() ) {
return [
'success' => false,
'message' => 'over-quota',
];
}
delete_transient( 'imagify_stat_without_next_gen' );
$medias = [];
foreach ( $contexts as $context ) {
foreach ( $formats as $format ) {
$media = $this->get_bulk_instance( $context )->get_optimized_media_ids_without_format( $format );
if ( ! $media['ids'] && $media['errors']['no_backup'] ) {
// No backup, no next-gen.
return [
'success' => false,
'message' => 'no-backup',
];
} elseif ( ! $media['ids'] && $media['errors']['no_file_path'] ) {
// Error.
return [
'success' => false,
'message' => __( 'The path to the selected files could not be retrieved.', 'imagify' ),
];
}
$medias[ $context ] = $media['ids'];
}
}
if ( empty( $medias ) ) {
return [
'success' => false,
'message' => 'no-images',
];
}
$total = 0;
foreach ( $medias as $context => $media_ids ) {
$total += count( $media_ids );
foreach ( $media_ids as $media_id ) {
try {
as_enqueue_async_action(
'imagify_convert_next_gen',
[
'id' => $media_id,
'context' => $context,
],
"imagify-{$context}-convert-nextgen"
);
} catch ( Exception $exception ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch
// nothing to do.
}
}
}
set_transient( 'imagify_missing_next_gen_total', $total, HOUR_IN_SECONDS );
return [
'success' => true,
'message' => $total,
];
}
/**
* Get the Bulk class name depending on a context.
*
* @since 2.1
*
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
* @return string The Bulk class name.
*/
private function get_bulk_class_name( string $context ): string {
switch ( $context ) {
case 'wp':
$class_name = WP::class;
break;
case 'custom-folders':
$class_name = CustomFolders::class;
break;
default:
$class_name = Noop::class;
}
/**
* Filter the name of the class to use for bulk process.
*
* @since 1.9
*
* @param int $class_name The class name.
* @param string $context The context name.
*/
$class_name = apply_filters( 'imagify_bulk_class_name', $class_name, $context );
return '\\' . ltrim( $class_name, '\\' );
}
/**
* Get the Bulk instance depending on a context.
*
* @since 2.1
*
* @param string $context The context name. Default values are 'wp' and 'custom-folders'.
*
* @return BulkInterface The optimization process instance.
*/
public function get_bulk_instance( string $context ): BulkInterface {
$class_name = $this->get_bulk_class_name( $context );
return new $class_name();
}
/**
* Optimize all files from a media, whatever this media’s previous optimization status (will be restored if needed).
* This is used by the bulk optimization page.
*
* @since 1.9
*
* @param int $media_id The media ID.
* @param string $context The context.
* @param int $level The optimization level.
*
* @return bool|WP_Error True if successfully launched. A \WP_Error instance on failure.
*/
private function force_optimize( int $media_id, string $context, int $level ) {
if ( ! $this->can_optimize() ) {
$this->decrease_counter( $context );
return false;
}
$process = imagify_get_optimization_process( $media_id, $context );
$data = $process->get_data();
// Restore before re-optimizing.
if ( $data->is_optimized() ) {
$result = $process->restore();
if ( is_wp_error( $result ) ) {
$this->decrease_counter( $context );
// Return an error message.
return $result;
}
}
return $process->optimize( $level );
}
/**
* Generate next-gen images if they are missing.
*
* @since 2.1
*
* @param int $media_id Media ID.
* @param string $context Current context.
*
* @return bool|WP_Error True if successfully launched. A \WP_Error instance on failure.
*/
public function generate_nextgen_versions( int $media_id, string $context ) {
if ( ! $this->can_optimize() ) {
return false;
}
return imagify_get_optimization_process( $media_id, $context )->generate_nextgen_versions();
}
/**
* Check if the user has a valid account and has quota. Die on failure.
*
* @since 2.1
*/
public function can_optimize() {
if ( ! \Imagify_Requirements::is_api_key_valid() ) {
return false;
}
if ( \Imagify_Requirements::is_over_quota() ) {
return false;
}
return true;
}
/**
* Get the submitted context.
*
* @since 1.9
*
* @param string $method The method used: 'GET' (default), or 'POST'.
* @param string $parameter The name of the parameter to look for.
*
* @return string
*/
public function get_context( $method = 'GET', $parameter = 'context' ) {
$context = 'POST' === $method ? wp_unslash( $_POST[ $parameter ] ) : wp_unslash( $_GET[ $parameter ] ); //phpcs:ignore WordPress.Security.NonceVerification.Missing, WordPress.Security.NonceVerification.Recommended
$context = htmlspecialchars( $context );
return imagify_sanitize_context( $context );
}
/**
* Get the submitted optimization level.
*
* @since 1.7
* @since 1.9 Added $method and $parameter parameters.
* @author Grégory Viguier
*
* @param string $method The method used: 'GET' (default), or 'POST'.
* @param string $parameter The name of the parameter to look for.
* @return int
*/
public function get_optimization_level( $method = 'GET', $parameter = 'optimization_level' ) {
$method = 'POST' === $method ? INPUT_POST : INPUT_GET;
$level = filter_input( $method, $parameter );
if ( ! is_numeric( $level ) || $level < 0 || $level > 2 ) {
if ( get_imagify_option( 'lossless' ) ) {
return 0;
}
return get_imagify_option( 'optimization_level' );
}
return (int) $level;
}
/**
* Launch the bulk optimization action
*
* @return void
*/
public function bulk_optimize_callback() {
imagify_check_nonce( 'imagify-bulk-optimize' );
$context = $this->get_context();
$level = $this->get_optimization_level();
if ( ! imagify_get_context( $context )->current_user_can( 'bulk-optimize' ) ) {
imagify_die();
}
$data = $this->run_optimize( $context, $level );
if ( false === $data['success'] ) {
wp_send_json_error( [ 'message' => $data['message'] ] );
}
wp_send_json_success( [ 'total' => $data['message'] ] );
}
/**
* Launch the missing Next-gen versions generation
*
* @return void
*/
public function missing_nextgen_callback() {
imagify_check_nonce( 'imagify-bulk-optimize' );
$contexts = $this->get_contexts();
foreach ( $contexts as $context ) {
if ( ! imagify_get_context( $context )->current_user_can( 'bulk-optimize' ) ) {
imagify_die();
}
}
$formats = imagify_nextgen_images_formats();
$data = $this->run_generate_nextgen( $contexts, $formats );
if ( false === $data['success'] ) {
wp_send_json_error( [ 'message' => $data['message'] ] );
}
wp_send_json_success( [ 'total' => $data['message'] ] );
}
/**
* Get stats data for a specific folder type.
*
* @since 1.7
*/
public function get_folder_type_data_callback() {
imagify_check_nonce( 'imagify-bulk-optimize' );
$context = $this->get_context();
if ( ! $context ) {
imagify_die( __( 'Invalid request', 'imagify' ) );
}
if ( ! imagify_get_context( $context )->current_user_can( 'bulk-optimize' ) ) {
imagify_die();
}
$bulk = $this->get_bulk_instance( $context );
wp_send_json_success( $bulk->get_context_data() );
}
/**
* Set the "bulk info" popup state as "seen".
*
* @since 1.7
*/
public function bulk_info_seen_callback() {
imagify_check_nonce( 'imagify-bulk-optimize' );
$context = $this->get_context();
if ( ! $context ) {
imagify_die( __( 'Invalid request', 'imagify' ) );
}
if ( ! imagify_get_context( $context )->current_user_can( 'bulk-optimize' ) ) {
imagify_die();
}
set_transient( 'imagify_bulk_optimization_infos', 1, WEEK_IN_SECONDS );
wp_send_json_success();
}
/**
* Get generic stats to display in the bulk page.
*
* @since 1.7.1
*/
public function bulk_get_stats_callback() {
imagify_check_nonce( 'imagify-bulk-optimize' );
$folder_types = filter_input( INPUT_GET, 'types', FILTER_REQUIRE_ARRAY );
$folder_types = is_array( $folder_types ) ? array_filter( $folder_types, 'is_string' ) : [];
if ( ! $folder_types ) {
imagify_die( __( 'Invalid request', 'imagify' ) );
}
foreach ( $folder_types as $folder_type_data ) {
$context = ! empty( $folder_type_data['context'] ) ? $folder_type_data['context'] : 'noop';
if ( ! imagify_get_context( $context )->current_user_can( 'bulk-optimize' ) ) {
imagify_die();
}
}
wp_send_json_success( imagify_get_bulk_stats( array_flip( $folder_types ) ) );
}
/**
* Update Options callback to start bulk optimization.
*
* @since 2.2
*
* @param array $old_value The old option value.
* @param array $value The new option value.
*
* @return void
*/
public function maybe_generate_missing_nextgen( $old_value, $value ) {
if ( ! isset( $old_value['optimization_format'], $value['optimization_format'] ) ) {
return;
}
if ( $old_value['optimization_format'] === $value['optimization_format'] ) {
// Old value = new value so do nothing.
return;
}
if ( 'off' === $value['optimization_format'] ) {
// No need to generate next-gen images.
return;
}
$contexts = $this->get_contexts();
$formats = imagify_nextgen_images_formats();
$this->run_generate_nextgen( $contexts, $formats );
}
/**
* Get the context for the bulk optimization page.
*
* @since 2.2
*
* @return array The array of unique contexts ('wp' or 'custom-folders').
*/
public function get_contexts() {
$contexts = [];
$types = [];
// Library: in each site.
if ( ! is_network_admin() ) {
$types['library|wp'] = 1;
}
// Custom folders: in network admin only if network activated, in each site otherwise.
if ( imagify_can_optimize_custom_folders() && ( imagify_is_active_for_network() && is_network_admin() || ! imagify_is_active_for_network() ) ) {
$types['custom-folders|custom-folders'] = 1;
}
/**
* Filter the types to display in the bulk optimization page.
*
* @since 1.7.1
*
* @param array $types The folder types displayed on the page. If a folder type is "library", the context should be suffixed after a pipe character. They are passed as array keys.
*/
$types = apply_filters( 'imagify_bulk_page_types', $types );
$types = array_filter( (array) $types );
if ( isset( $types['library|wp'] ) && ! in_array( 'wp', $contexts, true ) ) {
$contexts[] = 'wp';
}
if ( isset( $types['custom-folders|custom-folders'] ) ) {
$folders_instance = \Imagify_Folders_DB::get_instance();
if ( ! $folders_instance->has_items() ) {
// New Feature!
if ( ! in_array( 'wp', $contexts, true ) ) {
$contexts[] = 'wp';
}
} elseif ( $folders_instance->has_active_folders() && ! in_array( 'custom-folders', $contexts, true ) ) {
$contexts[] = 'custom-folders';
}
}
return $contexts;
}
}
