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<title>[43061] trunk: Privacy: improve `wp_privacy_erase_personal_data()`, return boolean values.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/43061">43061</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/43061","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>azaozz</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-05-01 19:26:53 +0000 (Tue, 01 May 2018)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Privacy: improve `wp_privacy_erase_personal_data()`, return boolean values.

Props ericdaams.
See <a href="https://core.trac.wordpress.org/ticket/43602">#43602</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesajaxactionsphp">trunk/src/wp-admin/includes/ajax-actions.php</a></li>
<li><a href="#trunksrcwpadminjsxfnjs">trunk/src/wp-admin/js/xfn.js</a></li>
<li><a href="#trunksrcwpincludescommentphp">trunk/src/wp-includes/comment.php</a></li>
<li><a href="#trunktestsphpunittestscommentphp">trunk/tests/phpunit/tests/comment.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminincludesajaxactionsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/ajax-actions.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/ajax-actions.php      2018-05-01 18:59:48 UTC (rev 43060)
+++ trunk/src/wp-admin/includes/ajax-actions.php        2018-05-01 19:26:53 UTC (rev 43061)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4564,8 +4564,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">         *         Array of personal data exporters.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         *         @type string $callback               Callable eraser that accepts an email address and
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-         *                                              a page and returns an array with the number of items
-        *                                              removed, the number of items retained and any messages
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+  *                                              a page and returns an array with boolean values for
+        *                                              whether items were removed or retained and any messages
</ins><span class="cx" style="display: block; padding: 0 10px">          *                                              from the eraser, as well as if additional pages are
</span><span class="cx" style="display: block; padding: 0 10px">         *                                              available.
</span><span class="cx" style="display: block; padding: 0 10px">         *         @type string $exporter_friendly_name Translated user facing friendly name for the eraser.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4632,11 +4632,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( ! array_key_exists( 'num_items_removed', $response ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( ! array_key_exists( 'items_removed', $response ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         wp_send_json_error(
</span><span class="cx" style="display: block; padding: 0 10px">                                sprintf(
</span><span class="cx" style="display: block; padding: 0 10px">                                        /* translators: %1$s: eraser friendly name, %2$d: array index */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        __( 'Expected num_items_removed key in response array from %1$s eraser (index %2$d).' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 __( 'Expected items_removed key in response array from %1$s eraser (index %2$d).' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                         esc_html( $eraser_friendly_name ),
</span><span class="cx" style="display: block; padding: 0 10px">                                        $eraser_index
</span><span class="cx" style="display: block; padding: 0 10px">                                )
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4643,11 +4643,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        );
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                if ( ! array_key_exists( 'num_items_retained', $response ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         if ( ! array_key_exists( 'items_retained', $response ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         wp_send_json_error(
</span><span class="cx" style="display: block; padding: 0 10px">                                sprintf(
</span><span class="cx" style="display: block; padding: 0 10px">                                        /* translators: %1$s: eraser friendly name, %2$d: array index */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                        __( 'Expected num_items_retained key in response array from %1$s eraser (index %2$d).' ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                 __( 'Expected items_retained key in response array from %1$s eraser (index %2$d).' ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                         esc_html( $eraser_friendly_name ),
</span><span class="cx" style="display: block; padding: 0 10px">                                        $eraser_index
</span><span class="cx" style="display: block; padding: 0 10px">                                )
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4689,10 +4689,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">        } else {
</span><span class="cx" style="display: block; padding: 0 10px">                // No erasers, so we're done.
</span><span class="cx" style="display: block; padding: 0 10px">                $response = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 0,
-                       'messages'           => array(),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => false,
+                       'messages'       => array(),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span></span></pre></div>
<a id="trunksrcwpadminjsxfnjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/js/xfn.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/js/xfn.js      2018-05-01 18:59:48 UTC (rev 43060)
+++ trunk/src/wp-admin/js/xfn.js        2018-05-01 19:26:53 UTC (rev 43061)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -141,8 +141,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                var nonce         = $action.data( 'nonce' );
</span><span class="cx" style="display: block; padding: 0 10px">                var erasersCount  = $action.data( 'erasers-count' );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                var removedCount  = 0;
-               var retainedCount = 0;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         var hasRemoved    = false;
+               var hasRetained   = false;
</ins><span class="cx" style="display: block; padding: 0 10px">                 var messages      = [];
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $action.blur();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -152,8 +152,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        set_action_state( $action, 'remove_personal_data_idle' );
</span><span class="cx" style="display: block; padding: 0 10px">                        var summaryMessage = strings.noDataFound;
</span><span class="cx" style="display: block; padding: 0 10px">                        var classes = 'notice-success';
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        if ( 0 === removedCount ) {
-                               if ( 0 === retainedCount ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 if ( false === hasRemoved ) {
+                               if ( false === hasRetained ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                                         summaryMessage = strings.noDataFound;
</span><span class="cx" style="display: block; padding: 0 10px">                                } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                        summaryMessage = strings.noneRemoved;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -160,7 +160,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        classes = 'notice-warning';
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><span class="cx" style="display: block; padding: 0 10px">                        } else {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                if ( 0 === retainedCount ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         if ( false === hasRetained ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                                         summaryMessage = strings.foundAndRemoved;
</span><span class="cx" style="display: block; padding: 0 10px">                                } else {
</span><span class="cx" style="display: block; padding: 0 10px">                                        summaryMessage = strings.someNotRemoved;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -192,11 +192,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                        return;
</span><span class="cx" style="display: block; padding: 0 10px">                                }
</span><span class="cx" style="display: block; padding: 0 10px">                                var responseData = response.data;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                if ( responseData.num_items_removed ) {
-                                       removedCount += responseData.num_items_removed;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         if ( responseData.items_removed ) {
+                                       hasRemoved = hasRemoved || responseData.items_removed;
</ins><span class="cx" style="display: block; padding: 0 10px">                                 }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                if ( responseData.num_items_retained ) {
-                                       retainedCount += responseData.num_items_removed;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         if ( responseData.items_retained ) {
+                                       hasRetained = hasRetained || responseData.items_retained;
</ins><span class="cx" style="display: block; padding: 0 10px">                                 }
</span><span class="cx" style="display: block; padding: 0 10px">                                if ( responseData.messages ) {
</span><span class="cx" style="display: block; padding: 0 10px">                                        messages = messages.concat( responseData.messages );
</span></span></pre></div>
<a id="trunksrcwpincludescommentphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/comment.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/comment.php 2018-05-01 18:59:48 UTC (rev 43060)
+++ trunk/src/wp-includes/comment.php   2018-05-01 19:26:53 UTC (rev 43061)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3412,17 +3412,18 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        if ( empty( $email_address ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                return array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 0,
-                       'messages'           => array(),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => false,
+                       'messages'       => array(),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        // Limit us to 500 comments at a time to avoid timing out.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-        $number            = 500;
-       $page              = (int) $page;
-       $num_items_removed = 0;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $number         = 500;
+       $page           = (int) $page;
+       $items_removed  = false;
+       $items_retained = false;
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        $comments = get_comments(
</span><span class="cx" style="display: block; padding: 0 10px">                array(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3469,6 +3470,8 @@
</span><span class="cx" style="display: block; padding: 0 10px">                                $messages[] = sprintf( __( 'Comment %d contains personal data but could not be anonymized.' ), $comment_id );
</span><span class="cx" style="display: block; padding: 0 10px">                        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        $items_retained = true;
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         continue;
</span><span class="cx" style="display: block; padding: 0 10px">                }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3479,8 +3482,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $updated = $wpdb->update( $wpdb->comments, $anonymized_comment, $args );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                if ( $updated ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $num_items_removed++;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $items_removed = true;
</ins><span class="cx" style="display: block; padding: 0 10px">                         clean_comment_cache( $comment_id );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                } else {
+                       $items_retained = true;
</ins><span class="cx" style="display: block; padding: 0 10px">                 }
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3487,9 +3492,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">        $done = count( $comments ) < $number;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">        return array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                'num_items_removed'  => $num_items_removed,
-               'num_items_retained' => count( $comments ) - $num_items_removed,
-               'messages'           => $messages,
-               'done'               => $done,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         'items_removed'  => $items_removed,
+               'items_retained' => $items_retained,
+               'messages'       => $messages,
+               'done'           => $done,
</ins><span class="cx" style="display: block; padding: 0 10px">         );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
</ins></span></pre></div>
<a id="trunktestsphpunittestscommentphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/comment.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/comment.php     2018-05-01 18:59:48 UTC (rev 43060)
+++ trunk/tests/phpunit/tests/comment.php       2018-05-01 19:26:53 UTC (rev 43061)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -877,10 +877,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $actual   = wp_comments_personal_data_eraser( 'nocommentsfound@local.host' );
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 0,
-                       'messages'           => array(),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => false,
+                       'messages'       => array(),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( $expected, $actual );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -908,10 +908,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $actual   = wp_comments_personal_data_eraser( $args['comment_author_email'] );
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 1,
-                       'num_items_retained' => 0,
-                       'messages'           => array(),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => true,
+                       'items_retained' => false,
+                       'messages'       => array(),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( $expected, $actual );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -939,10 +939,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $actual   = wp_comments_personal_data_eraser( $args['comment_author_email'], 2 );
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 0,
-                       'messages'           => array(),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => false,
+                       'messages'       => array(),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( $expected, $actual );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -975,10 +975,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $message = sprintf( 'Comment %d contains personal data but could not be anonymized.', $comment_id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 1,
-                       'messages'           => array( $message ),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => true,
+                       'messages'       => array( $message ),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( $expected, $actual );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1011,10 +1011,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $message = sprintf( 'Some custom message for comment %d.', $comment_id );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        'num_items_removed'  => 0,
-                       'num_items_retained' => 1,
-                       'messages'           => array( $message ),
-                       'done'               => true,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 'items_removed'  => false,
+                       'items_retained' => true,
+                       'messages'       => array( $message ),
+                       'done'           => true,
</ins><span class="cx" style="display: block; padding: 0 10px">                 );
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertSame( $expected, $actual );
</span></span></pre>
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