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<title>[44628] trunk: Privacy: Allow column sorting in the privacy request admin tables.</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/44628">44628</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/44628","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>desrosj</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-01-16 17:51:56 +0000 (Wed, 16 Jan 2019)</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: Allow column sorting in the privacy request admin tables.

This allows users to sort the export and erase personal data request tables by {U+201C}Requester{U+201D} (`post_title`, or user email) and {U+201C}Requested{U+201D} (`post_date`, or when the request was created), which can be helpful when sites have many requests present.

Props birgire, ianbelanger, pbiron, desrosj.
Fixes <a href="https://core.trac.wordpress.org/ticket/43405">#43405</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesuserphp">trunk/src/wp-admin/includes/user.php</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunktestsphpunittestsadminwpPrivacyRequestsTablephp">trunk/tests/phpunit/tests/admin/wpPrivacyRequestsTable.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminincludesuserphp"></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/user.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/user.php      2019-01-16 17:05:37 UTC (rev 44627)
+++ trunk/src/wp-admin/includes/user.php        2019-01-16 17:51:56 UTC (rev 44628)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -809,6 +809,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                array(
</span><span class="cx" style="display: block; padding: 0 10px">                        'plural'   => 'privacy_requests',
</span><span class="cx" style="display: block; padding: 0 10px">                        'singular' => 'privacy_request',
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        'screen'   => 'export_personal_data',
</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">        $requests_table->process_bulk_action();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -882,6 +883,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                array(
</span><span class="cx" style="display: block; padding: 0 10px">                        'plural'   => 'privacy_requests',
</span><span class="cx" style="display: block; padding: 0 10px">                        'singular' => 'privacy_request',
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        'screen'   => 'remove_personal_data',
</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">@@ -1090,7 +1092,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @return array Default sortable columns.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        protected function get_sortable_columns() {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                return array();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         // The initial sorting is by 'Requested' (post_date) and descending.
+               // With initial sorting, the first click on 'Requested' should be ascending.
+               // With 'Requester' sorting active, the next click on 'Requested' should be descending.
+               $desc_first = isset( $_GET['orderby'] );
+
+               return array(
+                       'email'             => 'requester',
+                       'created_timestamp' => array( 'requested', $desc_first ),
+               );
</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">@@ -1235,18 +1245,11 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * Prepare items to output.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="cx" style="display: block; padding: 0 10px">         * @since 4.9.6
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         * @since 5.1.0 Added support for column sorting.
</ins><span class="cx" style="display: block; padding: 0 10px">          */
</span><span class="cx" style="display: block; padding: 0 10px">        public function prepare_items() {
</span><span class="cx" style="display: block; padding: 0 10px">                global $wpdb;
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $primary               = $this->get_primary_column_name();
-               $this->_column_headers = array(
-                       $this->get_columns(),
-                       array(),
-                       $this->get_sortable_columns(),
-                       $primary,
-               );
-
</del><span class="cx" style="display: block; padding: 0 10px">                 $this->items    = array();
</span><span class="cx" style="display: block; padding: 0 10px">                $posts_per_page = $this->get_items_per_page( $this->request_type . '_requests_per_page' );
</span><span class="cx" style="display: block; padding: 0 10px">                $args           = array(
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1258,6 +1261,19 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        's'              => isset( $_REQUEST['s'] ) ? sanitize_text_field( $_REQUEST['s'] ) : '',
</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">+                $orderby_mapping = array(
+                       'requester' => 'post_title',
+                       'requested' => 'post_date',
+               );
+
+               if ( isset( $_REQUEST['orderby'] ) && isset( $orderby_mapping[ $_REQUEST['orderby'] ] ) ) {
+                       $args['orderby'] = $orderby_mapping[ $_REQUEST['orderby'] ];
+               }
+
+               if ( isset( $_REQUEST['order'] ) && in_array( strtoupper( $_REQUEST['order'] ), array( 'ASC', 'DESC' ), true ) ) {
+                       $args['order'] = strtoupper( $_REQUEST['order'] );
+               }
+
</ins><span class="cx" style="display: block; padding: 0 10px">                 if ( ! empty( $_REQUEST['filter-status'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px">                        $filter_status       = isset( $_REQUEST['filter-status'] ) ? sanitize_text_field( $_REQUEST['filter-status'] ) : '';
</span><span class="cx" style="display: block; padding: 0 10px">                        $args['post_status'] = $filter_status;
</span></span></pre></div>
<a id="trunktestsphpunittestsadminwpPrivacyRequestsTablephp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/tests/phpunit/tests/admin/wpPrivacyRequestsTable.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/admin/wpPrivacyRequestsTable.php                                (rev 0)
+++ trunk/tests/phpunit/tests/admin/wpPrivacyRequestsTable.php  2019-01-16 17:51:56 UTC (rev 44628)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,186 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Test the `WP_Privacy_Requests_Table` class.
+ *
+ * @package WordPress\UnitTests
+ *
+ * @since 5.1.0
+ */
+
+/**
+ * Tests_Admin_WpPrivacyRequestsTable class.
+ *
+ * @group admin
+ * @group privacy
+ *
+ * @since 5.1.0
+ */
+class Tests_Admin_WpPrivacyRequestsTable extends WP_UnitTestCase {
+       /**
+        * Get instance for mocked class.
+        *
+        * @since 5.1.0
+        *
+        * @return PHPUnit_Framework_MockObject_MockObject|WP_Privacy_Requests_Table $instance Mocked class instance.
+        */
+       public function get_mocked_class_instance() {
+               if ( version_compare( PHP_VERSION, '5.3', '<' ) ) {
+                       $this->markTestSkipped( 'ReflectionMethod::setAccessible is only available in PHP 5.3+' );
+               }
+
+               $args = array(
+                       'plural'   => 'privacy_requests',
+                       'singular' => 'privacy_request',
+                       'screen'   => 'export_personal_data',
+               );
+
+               $instance = $this
+                       ->getMockBuilder( 'WP_Privacy_Requests_Table' )
+                       ->setConstructorArgs( array( $args ) )
+                       ->getMockForAbstractClass();
+
+               $reflection = new ReflectionClass( $instance );
+
+               // Set the request type as 'export_personal_data'.
+               $reflection_property = $reflection->getProperty( 'request_type' );
+               $reflection_property->setAccessible( true );
+               $reflection_property->setValue( $instance, 'export_personal_data' );
+
+               // Set the post type as 'user_request'.
+               $reflection_property = $reflection->getProperty( 'post_type' );
+               $reflection_property->setAccessible( true );
+               $reflection_property->setValue( $instance, 'user_request' );
+
+               return $instance;
+       }
+
+       /**
+        * Test columns should be sortable.
+        *
+        * @since 5.1.0
+        *
+        * @param string|null $order    Order.
+        * @param string|null $orderby  Order by.
+        * @param string|null $search   Search term.
+        * @param string      $expected Expected in SQL query.
+
+        * @dataProvider data_test_columns_should_be_sortable
+        * @covers WP_Privacy_Requests_Table::prepare_items()
+        * @ticket 43960
+        */
+       public function test_columns_should_be_sortable( $order, $orderby, $search, $expected ) {
+               global $wpdb;
+
+               $table     = $this->get_mocked_class_instance();
+               $this->sql = '';
+
+               $_REQUEST['order']   = $order;
+               $_REQUEST['orderby'] = $orderby;
+               $_REQUEST['s']       = $search;
+
+               add_filter( 'posts_request', array( $this, 'filter_posts_request' ) );
+               $table->prepare_items();
+               remove_filter( 'posts_request', array( $this, 'filter_posts_request' ) );
+
+               unset( $_REQUEST['order'] );
+               unset( $_REQUEST['orderby'] );
+               unset( $_REQUEST['s'] );
+
+               $this->assertContains( "ORDER BY {$wpdb->posts}.{$expected}", $this->sql );
+       }
+
+       /**
+        * Filter to grab the complete SQL query.
+        *
+        * @since 5.1.0
+        *
+        * @param string $request The complete SQL query.
+        * @return string $request The complete SQL query.
+        */
+       public function filter_posts_request( $request ) {
+               $this->sql = $request;
+               return $request;
+       }
+
+       /**
+        * Data provider for `test_columns_should_be_sortable()`.
+        *
+        * @since 5.1.0
+        *
+        * @return array {
+        *     @type array {
+        *         @type string|null Order.
+        *         @type string|null Order by.
+        *         @type string|null Search term.
+        *         @type string      Expected in SQL query.
+        *     }
+        * }
+        */
+       public function data_test_columns_should_be_sortable() {
+               return array(
+                       // Default order (ID) DESC.
+                       array(
+                               'order'    => null,
+                               'orderby'  => null,
+                               's'        => null,
+                               'expected' => 'post_date DESC',
+                       ),
+                       // Default order (ID) DESC.
+                       array(
+                               'order'    => '',
+                               'orderby'  => '',
+                               's'        => '',
+                               'expected' => 'post_date DESC',
+                       ),
+                       // Order by requester (post_title) ASC.
+                       array(
+                               'order'    => 'ASC',
+                               'orderby'  => 'requester',
+                               's'        => '',
+                               'expected' => 'post_title ASC',
+                       ),
+                       // Order by requester (post_title) DESC.
+                       array(
+                               'order'    => 'DESC',
+                               'orderby'  => 'requester',
+                               's'        => null,
+                               'expected' => 'post_title DESC',
+                       ),
+                       // Order by requested (post_date) ASC.
+                       array(
+                               'order'    => 'ASC',
+                               'orderby'  => 'requested',
+                               's'        => null,
+                               'expected' => 'post_date ASC',
+                       ),
+                       // Order by requested (post_date) DESC.
+                       array(
+                               'order'    => 'DESC',
+                               'orderby'  => 'requested',
+                               's'        => null,
+                               'expected' => 'post_date DESC',
+                       ),
+                       // Search and order by relevance.
+                       array(
+                               'order'    => null,
+                               'orderby'  => null,
+                               's'        => 'foo',
+                               'expected' => 'post_title LIKE',
+                       ),
+                       // Search and order by requester (post_title) ASC.
+                       array(
+                               'order'    => 'ASC',
+                               'orderby'  => 'requester',
+                               's'        => 'foo',
+                               'expected' => 'post_title ASC',
+                       ),
+                       // Search and order by requested (post_date) ASC.
+                       array(
+                               'order'    => 'ASC',
+                               'orderby'  => 'requested',
+                               's'        => 'foo',
+                               'expected' => 'post_date ASC',
+                       ),
+               );
+       }
+}
</ins></span></pre>
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