From c85c17d4c20d1075df2f1d715f6f3f5f08ab5ca7 Mon Sep 17 00:00:00 2001
From: Erick Hitter <ehitter@gmail.com>
Date: Fri, 28 Feb 2014 01:06:01 -0800
Subject: [PATCH] Support cache clearing from post list tables.
Fixes #5.
---
redis-page-cache/redis-page-cache.php | 71 ++++++++++++++++++++-------
1 file changed, 54 insertions(+), 17 deletions(-)
diff --git a/redis-page-cache/redis-page-cache.php b/redis-page-cache/redis-page-cache.php
index fd22a02..213117a 100644
--- a/redis-page-cache/redis-page-cache.php
+++ b/redis-page-cache/redis-page-cache.php
@@ -64,6 +64,8 @@ class Redis_Page_Cache {
// Manual invalidations
add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu' ), 999 );
+ add_action( 'post_row_actions', array( $this, 'quick_edit' ), 999, 2 );
+ add_action( 'page_row_actions', array( $this, 'quick_edit' ), 999, 2 );
add_action( 'wp_ajax_redis_page_cache_purge', array( $this, 'ajax_purge' ) );
}
@@ -142,8 +144,8 @@ class Redis_Page_Cache {
* @return null
*/
public function register_options() {
- register_setting( $this->ns, 'redis-page-cache-seconds', 'absint' );
- register_setting( $this->ns, 'redis-page-cache-unlimited', 'absint' );
+ register_setting( $this->ns, $this->ns . '-seconds', 'absint' );
+ register_setting( $this->ns, $this->ns . '-unlimited', 'absint' );
}
/**
@@ -181,7 +183,7 @@ class Redis_Page_Cache {
<tr>
<th scope="row"><label for="duration-seconds"><?php _e( 'Duration of Caching in Seconds:', 'redis-page-cache' ); ?></label></td>
<td>
- <input type="text" name="redis-page-cache-seconds" id="duration-seconds" size="15" value="<?php echo (int) get_option( 'redis-page-cache-seconds', 43200 ); ?>" />
+ <input type="text" name="<?php echo esc_attr( $this->ns ); ?>-seconds" id="duration-seconds" size="15" value="<?php echo (int) get_option( $this->ns . '-seconds', 43200 ); ?>" />
<p class="description"><?php _e( 'How many seconds would you like to cache individual pages? <strong>Recommended 12 hours or 43200 seconds</strong>.', 'redis-page-cache' ); ?></p>
</td>
@@ -189,7 +191,7 @@ class Redis_Page_Cache {
<tr>
<th scope="row"><label for="unlimited-cache"><?php _e( 'Cache Without Expiration?', 'redis-page-cache' ); ?></label></th>
<td>
- <input type="checkbox" name="redis-page-cache-unlimited" id="unlimited-cache" value="1" <?php checked( true, (bool) get_option( 'redis-page-cache-unlimited', false ) ); ?>/>
+ <input type="checkbox" name="<?php echo esc_attr( $this->ns ); ?>-unlimited" id="unlimited-cache" value="1" <?php checked( true, (bool) get_option( $this->ns . '-unlimited', false ) ); ?>/>
<p class="description"><?php _e( 'If this option is set, the cache never expire. This option overides the setting <em>Duration of Caching in Seconds</em>.', 'redis-page-cache' ); ?></p>
</td>
@@ -219,8 +221,9 @@ class Redis_Page_Cache {
}
/**
- * Add a purge option to the admin bar for those with proper capabilities
+ * Add a single-page purge option to the admin bar for those with proper capabilities
*
+ * @action admin_bar_menu
* @return null
*/
public function admin_bar_menu() {
@@ -237,30 +240,64 @@ class Redis_Page_Cache {
}
// What are we trying to clear?
- $page_url = set_url_scheme( esc_url( $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ) );
-
- $flush_url = add_query_arg( array(
- 'action' => 'redis_page_cache_purge',
- 'nonce' => wp_create_nonce( $page_url ),
- 'url' => urlencode( $page_url ),
- ), admin_url( 'admin-ajax.php' ) );
+ $url = set_url_scheme( esc_url( $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ) );
$wp_admin_bar->add_menu( array(
- 'id' => 'redis-page-cache',
+ 'id' => $this->ns,
'parent' => false,
'title' => __( 'Clear Page Cache', 'redis-page-cache' ),
- 'href' => $flush_url,
+ 'href' => $this->get_ajax_purge_url( $url ),
) );
}
+ /**
+ * Add a purge link to the Quick Edit actions in post tables
+ *
+ * @param array $actions
+ * @param object $post
+ * @action post_row_actions
+ * @action page_row_actions
+ * @return array
+ */
+ public function quick_edit( $actions, $post ) {
+ $actions[ $this->ns ] = '<a href="' . esc_url( $this->get_ajax_purge_url( get_permalink( $post->ID ) ) ) . '">' . __( 'Clear cache', 'redis-page-cache' ) . '</a>';
+
+ return $actions;
+ }
+
+ /**
+ * Build URL for Ajax purge requests
+ *
+ * @param string $url
+ * @return string
+ */
+ private function get_ajax_purge_url( $url ) {
+ $url = remove_query_arg( $this->ns . '-purge', $url );
+
+ $url = add_query_arg( array(
+ 'action' => 'redis_page_cache_purge',
+ 'nonce' => wp_create_nonce( $url ),
+ 'url' => urlencode( $url ),
+ ), admin_url( 'admin-ajax.php' ) );
+
+ return $url;
+ }
+
/**
* Purge a page from cache via an Ajax request
*
+ * @action wp_ajax_redis_page_cache_purge
* @return null
*/
public function ajax_purge() {
- $url = esc_url_raw( urldecode( $_GET['url'] ) );
- $redirect = add_query_arg( 'redis-page-cache-purge', 'failed', $url );
+ $url = esc_url_raw( urldecode( $_GET['url'] ) );
+
+ if ( isset( $_SERVER['HTTP_REFERER'] ) ) {
+ $redirect = $_SERVER['HTTP_REFERER'];
+ } else {
+ $redirect = $url;
+ }
+ $redirect = add_query_arg( $this->ns . '-purge', 'failed', $redirect );
// Check nonce and referrer
if ( ! check_ajax_referer( $url, 'nonce', false ) ) {
@@ -275,7 +312,7 @@ class Redis_Page_Cache {
// Checks passed, so we purge and redirect with success noted in the query string
$this->purge( $url );
- $redirect = add_query_arg( 'redis-page-cache-purge', 'success', $redirect );
+ $redirect = add_query_arg( $this->ns . '-purge', 'success', $redirect );
wp_safe_redirect( $redirect, 302 );
}
}
--
GitLab