Viewing file:  Genesis.php (11.51 KB) -rw-rw-rw-
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<?php
class W3_Genesis {
/**
* Request URI
* @var string
*/
private $_request_uri = '';
/**
* @var W3_Config $_config
*/
private $_config;
function run() {
add_action('w3tc_register_fragment_groups', array($this, 'register_groups'));
$this->_config = w3_instance('W3_Config');
if ((w3_is_pro($this->_config) || w3_is_enterprise($this->_config)) &&
$this->_config->get_boolean('fragmentcache.enabled')) {
if (!is_admin()) {
/**
* Register the caching of content to specific hooks
*/
foreach(array('genesis_header', 'genesis_footer', 'genesis_sidebar', 'genesis_loop', 'wp_head', 'wp_footer', 'genesis_comments', 'genesis_pings') as $hook) {
add_action($hook, array($this, 'cache_genesis_start'),-999999999);
add_action($hook, array($this, 'cache_genesis_end'), 999999999);
}
foreach(array('genesis_do_subnav', 'genesis_do_nav') as $filter) {
add_filter($filter, array($this, 'cache_genesis_filter_start'),-999999999);
add_filter($filter, array($this, 'cache_genesis_filter_end'), 999999999);
}
}
/**
* Since posts pages etc are cached individually need to be able to flush just those and not all fragment
*/
add_action('clean_post_cache', array($this, 'flush_post_fragment'));
add_action('clean_post_cache', array($this, 'flush_terms_fragment'), 0, 0);
$this->_request_uri = $_SERVER['REQUEST_URI'];
}
}
/**
* Start outputbuffering or return fragment on a per page/hook basis
*/
function cache_genesis_start() {
$hook = current_filter();
$keys = $this->_get_id_group($hook);
if (is_null($keys))
return;
list($id, $group) = $keys;
w3tc_fragmentcache_start($id, $group, $hook);
}
/**
* Store the output buffer per page/post hook basis.
*/
function cache_genesis_end() {
$keys = $this->_get_id_group(current_filter());
if (is_null($keys))
return;
list($id, $group) = $keys;
w3tc_fragmentcache_end($id, $group, $this->_config->get_boolean('fragmentcache.debug'));
}
/**
* Start filter buffering and return filter result
*/
function cache_genesis_filter_start($data) {
$hook = current_filter();
$keys = $this->_get_id_group($hook, strpos($data,'current')!==false);
if (is_null($keys))
return $data;
list($id, $group) = $keys;
return w3tc_fragmentcache_filter_start($id, $group, $hook, $data);
}
/**
* Store the filter result and return filter result.
*/
function cache_genesis_filter_end($data) {
$keys = $this->_get_id_group(current_filter(), strpos($data,'current')!==false);
if (is_null($keys))
return $data;
list($id, $group) = $keys;
return w3tc_fragmentcache_filter_end($id, $group, $data);
}
/**
* Constructs the fragment grouping for a subgroup
* @param $subgroup
* @param $state
* @return string
*/
private function _genesis_group($subgroup, $state = false) {
$postfix = '';
if ($state && is_user_logged_in())
$postfix = 'logged_in_';
return ($subgroup ? "genesis_fragment_{$subgroup}_" : 'genesis_fragment_') . $postfix;
}
/**
* Constructs the correct fragment group and id for the hook
* @param $hook
* @param bool $current_menu
* @return array|null
*/
private function _get_id_group($hook, $current_menu = false) {
if ($this->cannot_cache_current_hook()) {
return null;
}
switch (true) {
case $keys = $this->generate_sidebar_keys():
list($group, $genesis_id) = $keys;
break;
case $keys = $this->generate_genesis_loop_keys():
list($group, $genesis_id) = $keys;
break;
case $keys = $this->generate_genesis_comments_pings_keys():
list($group, $genesis_id) = $keys;
break;
case $keys = $this->generate_genesis_navigation_keys($current_menu):
list($group, $genesis_id) = $keys;
break;
default:
$group = $hook;
$genesis_id = $this->get_page_slug();
if (is_paged())
$genesis_id .= $this->get_paged_page_key();
break;
}
if ($this->_cache_group($group) && !$this->_exclude_page($group)) {
return array($genesis_id, $this->_genesis_group($group, true));
}
return null;
}
/**
* Checks if the fragment group should be cached
*
* @param $group
* @return array|bool|int|null|string
*/
private function _cache_group($group) {
return w3tc_get_extension_config('genesis.theme', $group);
}
/**
* Checks if current page is excluded from caching
*
* @param $group
* @return bool
*/
private function _exclude_page($group) {
$reject_uri = w3tc_get_extension_config('genesis.theme', "{$group}_excluded");
if ($reject_uri)
$reject_uri = explode("\n", $reject_uri);
if (is_null($reject_uri) || !is_array($reject_uri) || empty($reject_uri)) {
return false;
}
$auto_reject_uri = array(
'wp-login',
'wp-register'
);
foreach ($auto_reject_uri as $uri) {
if (strstr($this->_request_uri, $uri) !== false) {
return true;
}
}
$reject_uri = array_map('w3_parse_path', $reject_uri);
foreach ($reject_uri as $expr) {
$expr = trim($expr);
if ($expr != '' && preg_match('~' . $expr . '~i', $this->_request_uri)) {
return true;
}
}
return false;
}
/**
* Register the various fragments groups to be used. no_action is used since fragments requires actions.
*/
function register_groups() {
//blog specific group and an array of actions that will trigger a flush of the group
$groups = array (
$this->_genesis_group('') => array(
'clean_post_cache',
'update_option_sidebars_widgets',
'wp_update_nav_menu_item'),
$this->_genesis_group('sidebar') => array(
'update_option_sidebars_widgets'),
$this->_genesis_group('loop_single') => array(
'no_action'),
$this->_genesis_group('loop_front_page') => array(
'clean_post_cache'),
$this->_genesis_group('loop_terms') => array(
'no_action')
);
foreach($groups as $group => $actions)
w3tc_register_fragment_group($group, $actions, 3600);
}
/**
* Flush the fragments connected to a post id
* @param $post_ID
*/
function flush_post_fragment($post_ID) {
/**
* @var W3_SharedPageUrls $W3_SharedPageUrls
*/
$W3_SharedPageUrls = w3_instance('W3_SharedPageUrls');
$page_slug = $this->get_page_slug($post_ID);
$urls = $W3_SharedPageUrls->get_post_urls($post_ID);
$hooks = array('genesis_loop', 'genesis_comments', 'genesis_pings');
foreach($hooks as $hook) {
$genesis_id = $page_slug;
$genesis_id = "{$hook}_{$genesis_id}";
w3tc_fragmentcache_flush_fragment($genesis_id, $this->_genesis_group('loop_single_logged_in'));
w3tc_fragmentcache_flush_fragment($genesis_id, $this->_genesis_group('loop_single'));
for($page = 0; $page<=sizeof($urls); $page++) {
$genesis_id = $page_slug;
$genesis_id .= $this->get_paged_page_key($page);
$genesis_id = "{$hook}_{$genesis_id}";
w3tc_fragmentcache_flush_fragment($genesis_id, $this->_genesis_group('loop_single_logged_in'));
w3tc_fragmentcache_flush_fragment($genesis_id, $this->_genesis_group('loop_single'));
}
}
}
public function flush_terms_fragment() {
if (w3tc_get_extension_config('genesis.theme', 'flush_terms')) {
w3tc_fragmentcache_flush_group('loop_terms');
}
}
/**
* @return bool
*/
private function cannot_cache_current_hook() {
if (is_user_logged_in() && w3tc_get_extension_config('genesis.theme', 'reject_logged_roles')) {
$roles = w3tc_get_extension_config('genesis.theme', 'reject_roles');
if ($roles) {
$hooks = w3tc_get_extension_config('genesis.theme', 'reject_logged_roles_on_actions');
$hook = current_filter();
foreach ($roles as $role) {
if ($hooks && current_user_can($role) && in_array($hook, $hooks)) {
return true;
}
}
}
}
return false;
}
/**
* @return array
*/
private function generate_genesis_loop_keys() {
if (($hook = current_filter()) != 'genesis_loop')
return null;
if (is_front_page()) {
$group = 'loop_front_page';
} elseif (is_single()) {
$group = 'loop_single';
} else {
$group = 'loop_terms';
}
$genesis_id = $this->get_page_slug();
if (is_paged())
$genesis_id .= $this->get_paged_page_key();
$genesis_id = "{$hook}_{$genesis_id}";
return array($group, $genesis_id);
}
/**
* @return array
*/
private function generate_sidebar_keys() {
if (strpos($hook = current_filter(), 'sidebar') !== true)
return null;
$genesis_id = $hook;
$group = 'sidebar';
return array($group, $genesis_id);
}
/**
* @return array|null
*/
private function generate_genesis_comments_pings_keys() {
if (($hook = current_filter()) != 'genesis_comments')
return null;
$group = 'loop_single';
$genesis_id = $this->get_page_slug();
if (is_paged())
$genesis_id .= $this->get_paged_page_key();
$genesis_id = "{$hook}_{$genesis_id}";
return array($group, $genesis_id);
}
/**
* @param string $current_menu
* @return array|null
*/
private function generate_genesis_navigation_keys($current_menu) {
if (!(strpos(($hook = current_filter()), '_nav') && $current_menu))
return null;
$genesis_id = $this->get_page_slug();
if (is_paged())
$genesis_id .= $this->get_paged_page_key();
return array($hook, $genesis_id);
}
private function get_page_slug($post_ID = null) {
if ($post_ID) {
$purl = get_permalink($post_ID);
return str_replace('/','-', trim(str_replace(home_url(), '', $purl),"/"));
}
if (is_front_page())
return 'front_page';
return str_replace('/','-', trim($_SERVER['REQUEST_URI'],"/"));
}
/**
* @param int|null $page
* @return string _pagenumber_
*/
private function get_paged_page_key($page=null) {
if (is_null($page)) {
global $wp_query;
return '_' . $wp_query->query_vars['paged'] . '_';
}
return '_' . $page . '_';
}
}
$ext = new W3_Genesis();
$ext->run();
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