From d016d730a40df22e3c7f54980d865a58588e690a Mon Sep 17 00:00:00 2001
From: Erick Hitter <services@ethitter.com>
Date: Wed, 1 Mar 2017 13:28:21 -0800
Subject: [PATCH] Hide the "Empty Post" button when a purge is pending
---
includes/class-delete-all.php | 42 +++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/includes/class-delete-all.php b/includes/class-delete-all.php
index 9b604a5..6455d4d 100644
--- a/includes/class-delete-all.php
+++ b/includes/class-delete-all.php
@@ -19,6 +19,11 @@ class Delete_All {
add_action( 'admin_notices', array( __CLASS__, 'admin_notices' ) );
add_filter( 'posts_where', array( __CLASS__, 'hide_posts_pending_delete' ), 999, 2 );
+
+ // Limit when caps are intercepted, given frequent execution of the `map_meta_cap` filter
+ add_action( 'load-edit.php', function() {
+ add_filter( 'map_meta_cap', array( __CLASS__, 'hide_empty_trash_pending_delete' ), 10, 2 );
+ } );
}
/**
@@ -162,6 +167,43 @@ class Delete_All {
return $where;
}
+ /**
+ * Suppress "Empty Trash" button when purge is pending
+ *
+ * Core doesn't provide a filter specifically for this, but permissions are checked before showing the button
+ *
+ * @param array $caps User's capabilities
+ * @param string $cap Cap currently being checked
+ * @return array
+ */
+ public static function hide_empty_trash_pending_delete( $caps, $cap ) {
+ // Button we're blocking only shows for the "trash" status, understandably
+ if ( ! isset( $_REQUEST['post_status'] ) || 'trash' !== $_REQUEST['post_status'] ) {
+ return $caps;
+ }
+
+ // Get post type as Core envisions
+ $screen = get_current_screen();
+
+ // Cap used to display button, per WP_Posts_List_Table::extra_tablenav()
+ $cap_to_block = get_post_type_object( $screen->post_type )->cap->edit_others_posts;
+
+ // The current cap isn't the one we're looking for
+ if ( $cap !== $cap_to_block ) {
+ return $caps;
+ }
+
+ // There isn't a pending purge, so one should be permitted
+ if ( ! self::action_next_scheduled( self::CRON_EVENT, $screen->post_type ) ) {
+ return $caps;
+ }
+
+ // Block the edit button by disallowing its cap
+ $caps[] = 'do_not_allow';
+
+ return $caps;
+ }
+
/**
* Find the next scheduled instance of a given action, regardless of arguments
*
--
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