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<?php
/**
* File: Minify_Plugin_Admin.php
*
* @package W3TC
*/
namespace W3TC;
/**
* Class Minify_Plugin_Admin
*
* phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
*/
class Minify_Plugin_Admin {
/**
* Config
*
* @var Config
*/
private $_config = null;
/**
* Constructor method for the Minify_Plugin_Admin class.
*
* @return void
*/
public function __construct() {
$this->_config = Dispatcher::config();
}
/**
* Initializes the plugin by registering filters and actions.
*
* @return void
*/
public function run() {
add_filter( 'w3tc_save_options', array( $this, 'w3tc_save_options' ) );
$config_labels = new Minify_ConfigLabels();
add_filter( 'w3tc_config_labels', array( $config_labels, 'config_labels' ) );
if ( $this->_config->get_boolean( 'minify.enabled' ) ) {
add_filter( 'w3tc_usage_statistics_summary_from_history', array( $this, 'w3tc_usage_statistics_summary_from_history' ), 10, 2 );
add_filter( 'w3tc_notes', array( $this, 'w3tc_notes' ) );
add_filter( 'w3tc_errors', array( $this, 'w3tc_errors' ) );
}
add_action( 'w3tc_ajax_minify_help', array( $this, 'w3tc_ajax_minify_help' ) );
add_action( 'w3tc_message_action_minify_help', array( $this, 'w3tc_message_action_minify_help' ) );
if ( defined( 'W3TC_DEBUG' ) && W3TC_DEBUG ) {
add_filter( 'w3tc_admin_bar_menu', array( $this, 'w3tc_admin_bar_menu' ) );
}
}
/**
* Adds the Minify cache menu item to the WordPress admin bar.
*
* @param array $menu_items Existing menu items.
*
* @return array Modified menu items.
*/
public function w3tc_admin_bar_menu( $menu_items ) {
$menu_items['90040.minify'] = array(
'id' => 'w3tc_overlay_minify',
'parent' => 'w3tc_debug_overlays',
'title' => __( 'Minify Cache', 'w3-total-cache' ),
'href' => wp_nonce_url( network_admin_url( 'admin.php?page=w3tc_dashboard&w3tc_message_action=minify_help' ), 'w3tc' ),
);
return $menu_items;
}
/**
* Handles the minify help action triggered in admin messages.
*
* @return void
*/
public function w3tc_message_action_minify_help() {
wp_enqueue_script( 'w3tc-minify-help', plugins_url( 'Minify_GeneralPage_View_ShowHelp.js', W3TC_FILE ), array(), W3TC_VERSION, false );
wp_enqueue_script( 'w3tc-minify-help-force', plugins_url( 'Minify_GeneralPage_View_ShowHelpForce.js', W3TC_FILE ), array(), W3TC_VERSION, false );
}
/**
* Processes and saves plugin options.
*
* @param array $data Array containing new and old configuration data.
*
* @return array Processed configuration data.
*/
public function w3tc_save_options( $data ) {
$new_config = $data['new_config'];
$old_config = $data['old_config'];
if ( $new_config->get_boolean( 'minify.enabled' ) && ! $old_config->get_boolean( 'minify.enabled' ) ) {
$state = Dispatcher::config_state();
$state->set( 'minify.hide_minify_help', true );
$state->save();
}
// Schedule purge if enabled.
if ( $new_config->get_boolean( 'minify.enabled' ) && $new_config->get_boolean( 'minify.wp_cron' ) ) {
$new_wp_cron_time = $new_config->get_integer( 'minify.wp_cron_time' );
$old_wp_cron_time = $old_config ? $old_config->get_integer( 'minify.wp_cron_time' ) : -1;
$new_wp_cron_interval = $new_config->get_string( 'minify.wp_cron_interval' );
$old_wp_cron_interval = $old_config ? $old_config->get_string( 'minify.wp_cron_interval' ) : -1;
$schedule_needs_update = $new_wp_cron_time !== $old_wp_cron_time || $new_wp_cron_interval !== $old_wp_cron_interval;
// Clear the scheduled hook if a change in time or interval is detected.
if ( wp_next_scheduled( 'w3tc_minifycache_purge_wpcron' ) && $schedule_needs_update ) {
wp_clear_scheduled_hook( 'w3tc_minifycache_purge_wpcron' );
}
// Schedule if no existing cron event or settings have changed.
if ( ! wp_next_scheduled( 'w3tc_minifycache_purge_wpcron' ) || $schedule_needs_update ) {
$scheduled_timestamp_server = Util_Environment::get_cron_schedule_time( $new_wp_cron_time );
wp_schedule_event( $scheduled_timestamp_server, $new_wp_cron_interval, 'w3tc_minifycache_purge_wpcron' );
}
} elseif ( wp_next_scheduled( 'w3tc_minifycache_purge_wpcron' ) ) {
wp_clear_scheduled_hook( 'w3tc_minifycache_purge_wpcron' );
}
return $data;
}
/**
* Prints admin scripts for the general settings page.
*
* @return void
*/
public static function admin_print_scripts_w3tc_general() {
$state = Dispatcher::config_state();
if ( ! $state->get_boolean( 'minify.hide_minify_help' ) ) {
wp_enqueue_script( 'w3tc-minify-help', plugins_url( 'Minify_GeneralPage_View_ShowHelp.js', W3TC_FILE ), array(), W3TC_VERSION, false );
}
}
/**
* Cleans up expired and unnecessary cache files.
*
* @return void
*/
public function cleanup() {
$w3_cache_file_cleaner_generic = new Cache_File_Cleaner_Generic(
array(
'exclude' => array(
'*.files',
'.htaccess',
'index.html',
),
'cache_dir' => Util_Environment::cache_blog_dir( 'minify' ),
'expire' => $this->_config->get_integer( 'minify.file.gc' ),
'clean_timelimit' => $this->_config->get_integer( 'timelimit.cache_gc' ),
)
);
$w3_cache_file_cleaner_generic->clean();
}
/**
* Collects and returns errors related to Minify configuration or usage.
*
* @param array $errors Existing errors.
*
* @return array Updated list of errors.
*/
public function w3tc_errors( $errors ) {
$c = Dispatcher::config();
$state = Dispatcher::config_state_master();
// Minify error occured.
if ( $state->get_boolean( 'minify.show_note_minify_error' ) ) {
$errors['minify_error_creating'] = sprintf(
// Translators: 1 last minify error, 2 dismiss button.
__(
'Recently an error occurred while creating the CSS / JS minify cache: %1$s. %2$s',
'w3-total-cache'
),
$state->get_string( 'minify.error.last' ),
Util_Ui::button_hide_note2(
array(
'w3tc_default_config_state_master' => 'y',
'key' => 'minify.show_note_minify_error',
'value' => 'false',
)
)
);
}
if ( 'memcached' === $c->get_string( 'minify.engine' ) ) {
$memcached_servers = $c->get_array( 'minify.memcached.servers' );
$memcached_binary_protocol = $c->get_boolean( 'minify.memcached.binary_protocol' );
$memcached_username = $c->get_string( 'minify.memcached.username' );
$memcached_password = $c->get_string( 'minify.memcached.password' );
if (
! Util_Installed::is_memcache_available(
$memcached_servers,
$memcached_binary_protocol,
$memcached_username,
$memcached_password
)
) {
if ( ! isset( $errors['memcache_not_responding.details'] ) ) {
$errors['memcache_not_responding.details'] = array();
}
$errors['memcache_not_responding.details'][] = sprintf(
// Translators: 1 memcache servers.
__(
'Minify: %1$s.',
'w3-total-cache'
),
implode( ', ', $memcached_servers )
);
}
}
return $errors;
}
/**
* Adds notes or messages related to Minify cache actions.
*
* @param array $notes Existing notes.
*
* @return array Updated notes.
*/
public function w3tc_notes( $notes ) {
$state_note = Dispatcher::config_state();
// Show notification when minify needs to be emptied.
if (
$state_note->get_boolean( 'minify.show_note.need_flush' ) &&
! is_network_admin() && // flushing doesnt work in network admin.
! $this->_config->is_preview()
) {
$notes['minify_flush_needed'] = sprintf(
// Translators: 1 empty cache button.
__(
'The setting change(s) made either invalidate the cached data or modify the behavior of the site. %1$s now to provide a consistent user experience.',
'w3-total-cache'
),
Util_Ui::button_link(
__( 'Empty the minify cache', 'w3-total-cache' ),
Util_Ui::url( array( 'w3tc_flush_minify' => 'y' ) )
)
);
}
return $notes;
}
/**
* Handles the AJAX request for displaying Minify help.
*
* @return void
*/
public function w3tc_ajax_minify_help() {
include W3TC_DIR . '/Minify_HelpPopup_View.php';
}
/**
* Summarizes Minify usage statistics from history.
*
* @param array $summary Existing summary data.
* @param array $history Historical usage data.
*
* @return array Updated summary data.
*/
public function w3tc_usage_statistics_summary_from_history( $summary, $history ) {
// memcached servers.
$c = Dispatcher::config();
if ( 'memcached' === $c->get_string( 'minify.engine' ) ) {
$summary['memcached_servers']['minify'] = array(
'servers' => $c->get_array( 'minify.memcached.servers' ),
'username' => $c->get_string( 'minify.memcached.username' ),
'password' => $c->get_string( 'minify.memcached.password' ),
'binary_protocol' => $c->get_boolean( 'minify.memcached.binary_protocol' ),
'name' => __( 'Minification', 'w3-total-cache' ),
);
} elseif ( 'redis' === $c->get_string( 'minify.engine' ) ) {
$summary['redis_servers']['minify'] = array(
'servers' => $c->get_array( 'minify.redis.servers' ),
'username' => $c->get_boolean( 'minify.redis.username' ),
'dbid' => $c->get_integer( 'minify.redis.dbid' ),
'password' => $c->get_string( 'minify.redis.password' ),
'name' => __( 'Minification', 'w3-total-cache' ),
);
}
$e = $this->_config->get_string( 'minify.engine' );
$a = array(
'size_visible' => ( 'file' === $e ),
'requests_visible' => ! ( 'file' === $e && $this->_config->get_boolean( 'minify.rewrite' ) ),
);
if ( ! isset( $summary['period']['timestamp_end'] ) ) {
// summary requested, enough.
$summary['minify'] = $a;
return $summary;
}
// get requests rate stats.
if ( $a['requests_visible'] ) {
// counters.
$requests_total = Util_UsageStatistics::sum( $history, 'minify_requests_total' );
$original_length_css = Util_UsageStatistics::sum( $history, 'minify_original_length_css' );
$output_length_css = Util_UsageStatistics::sum( $history, 'minify_output_length_css' );
$original_length_js = Util_UsageStatistics::sum( $history, 'minify_original_length_js' );
$output_length_js = Util_UsageStatistics::sum( $history, 'minify_output_length_js' );
$a['requests_total'] = Util_UsageStatistics::integer( $requests_total );
$a['requests_per_second'] = Util_UsageStatistics::value_per_period_seconds( $requests_total, $summary );
$a['compression_css'] = Util_UsageStatistics::percent( $original_length_css - $output_length_css, $original_length_css );
$a['compression_js'] = Util_UsageStatistics::percent( $original_length_js - $output_length_js, $original_length_js );
}
if ( $a['size_visible'] ) {
list( $v, $should_count ) = Util_UsageStatistics::get_or_init_size_transient( 'w3tc_ustats_minify_size', $summary );
if ( $should_count ) {
$h = Dispatcher::component( 'Minify_MinifiedFileRequestHandler' );
$stats = $h->get_stats_size( $summary['timeout_time'] );
// build stats to show.
$v['size_used'] = Util_UsageStatistics::bytes_to_size( $stats['css']['output_length'] + $stats['js']['output_length'] );
$v['size_items'] = Util_UsageStatistics::integer( $stats['css']['items'] + $stats['js']['items'] );
$v['size_compression_css'] = Util_UsageStatistics::percent( $stats['css']['original_length'] - $stats['css']['output_length'], $stats['css']['original_length'] );
$v['size_compression_js'] = Util_UsageStatistics::percent( $stats['js']['original_length'] - $stats['js']['output_length'], $stats['js']['original_length'] );
set_transient( 'w3tc_ustats_pagecache_size', $v, 120 );
}
if ( isset( $v['size_used'] ) ) {
$a['size_used'] = $v['size_used'];
$a['size_items'] = empty( $v['size_items'] ) ? null : $v['size_items'];
$a['size_compression_css'] = empty( $v['size_compression_css'] ) ? null : $v['size_compression_css'];
$a['size_compression_js'] = empty( $v['size_compression_js'] ) ? null : $v['size_compression_js'];
}
}
$summary['minify'] = $a;
return $summary;
}
}