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<title>[40605] trunk: REST API: Add `author`, `modified`, and `parent` sort order options for posts.</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/40605">40605</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/40605","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>jnylen0</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-05-10 18:51:28 +0000 (Wed, 10 May 2017)</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'>REST API: Add `author`, `modified`, and `parent` sort order options for posts.

These (and a few others that can be revisited later if needed) were present in
beta versions of the WP REST API but were removed during the merge to WP 4.7.

Props ChopinBach, jnylen0.
Fixes <a href="https://core.trac.wordpress.org/ticket/38693">#38693</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#trunktestsphpunitincludestestcasephp">trunk/tests/phpunit/includes/testcase.php</a></li>
<li><a href="#trunktestsphpunittestsquerydateQueryphp">trunk/tests/phpunit/tests/query/dateQuery.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
<li><a href="#trunktestsqunitfixtureswpapigeneratedjs">trunk/tests/qunit/fixtures/wp-api-generated.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></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/rest-api/endpoints/class-wp-rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php       2017-05-10 10:28:19 UTC (rev 40604)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2017-05-10 18:51:28 UTC (rev 40605)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2130,12 +2130,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        'type'               => 'string',
</span><span class="cx" style="display: block; padding: 0 10px">                        'default'            => 'date',
</span><span class="cx" style="display: block; padding: 0 10px">                        'enum'               => array(
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                'author',
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'date',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'relevance',
</del><span class="cx" style="display: block; padding: 0 10px">                                 'id',
</span><span class="cx" style="display: block; padding: 0 10px">                                'include',
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                'modified',
+                               'parent',
+                               'relevance',
+                               'slug',
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'title',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                'slug',
</del><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="trunktestsphpunitincludestestcasephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/includes/testcase.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/includes/testcase.php 2017-05-10 10:28:19 UTC (rev 40604)
+++ trunk/tests/phpunit/includes/testcase.php   2017-05-10 18:51:28 UTC (rev 40605)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -868,4 +868,28 @@
</span><span class="cx" style="display: block; padding: 0 10px">                wp_update_attachment_metadata( $id, wp_generate_attachment_metadata( $id, $upload['file'] ) );
</span><span class="cx" style="display: block; padding: 0 10px">                return $id;
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+       /**
+        * There's no way to change post_modified through WP functions.
+        */
+       protected function update_post_modified( $post_id, $date ) {
+               global $wpdb;
+               return $wpdb->update(
+                       $wpdb->posts,
+                       array(
+                               'post_modified' => $date,
+                               'post_modified_gmt' => $date,
+                       ),
+                       array(
+                               'ID' => $post_id,
+                       ),
+                       array(
+                               '%s',
+                               '%s',
+                       ),
+                       array(
+                               '%d',
+                       )
+               );
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsquerydateQueryphp"></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/query/dateQuery.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/query/dateQuery.php     2017-05-10 10:28:19 UTC (rev 40604)
+++ trunk/tests/phpunit/tests/query/dateQuery.php       2017-05-10 18:51:28 UTC (rev 40605)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -998,30 +998,4 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $expected = array( $p1, $p4, $p5, );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertEqualSets( $expected, $q->posts );
</span><span class="cx" style="display: block; padding: 0 10px">        }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
-       /** Helpers **********************************************************/
-
-       /**
-        * There's no way to change post_modified through the API.
-        */
-       protected function update_post_modified( $post_id, $date ) {
-               global $wpdb;
-               return $wpdb->update(
-                       $wpdb->posts,
-                       array(
-                               'post_modified' => $date,
-                               'post_modified_gmt' => $date,
-                       ),
-                       array(
-                               'ID' => $post_id,
-                       ),
-                       array(
-                               '%s',
-                               '%s',
-                       ),
-                       array(
-                               '%d',
-                       )
-               );
-       }
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostscontrollerphp"></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/rest-api/rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php      2017-05-10 10:28:19 UTC (rev 40604)
+++ trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php        2017-05-10 18:51:28 UTC (rev 40605)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -267,6 +267,72 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertErrorResponse( 'rest_invalid_param', $response, 400 );
</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">+        public function test_get_items_orderby_author_query() {
+               $id2 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_author' => self::$editor_id ) );
+               $id3 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_author' => self::$editor_id ) );
+               $id1 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_author' => self::$author_id ) );
+
+               $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
+               $request->set_param( 'include', array( $id1, $id2, $id3 ) );
+               $request->set_param( 'orderby', 'author' );
+
+               $response = $this->server->dispatch( $request );
+               $data = $response->get_data();
+
+               $this->assertEquals( 200, $response->get_status() );
+               $this->assertEquals( self::$author_id, $data[0]['author'] );
+               $this->assertEquals( self::$editor_id, $data[1]['author'] );
+               $this->assertEquals( self::$editor_id, $data[2]['author'] );
+
+               $this->assertPostsOrderedBy( '{posts}.post_author DESC' );
+       }
+
+       public function test_get_items_orderby_modified_query() {
+               $id1 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
+               $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
+               $id3 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
+
+               $this->update_post_modified( $id1, '2016-04-20 4:26:20' );
+               $this->update_post_modified( $id2, '2016-02-01 20:24:02' );
+               $this->update_post_modified( $id3, '2016-02-21 12:24:02' );
+
+               $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
+               $request->set_param( 'include', array( $id1, $id2, $id3 ) );
+               $request->set_param( 'orderby', 'modified' );
+
+               $response = $this->server->dispatch( $request );
+               $data = $response->get_data();
+
+               $this->assertEquals( 200, $response->get_status() );
+               $this->assertEquals( $id1, $data[0]['id'] );
+               $this->assertEquals( $id3, $data[1]['id'] );
+               $this->assertEquals( $id2, $data[2]['id'] );
+
+               $this->assertPostsOrderedBy( '{posts}.post_modified DESC' );
+       }
+
+       public function test_get_items_orderby_parent_query() {
+               $id1 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_type' => 'page' ) );
+               $id2 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_type' => 'page' ) );
+               $id3 = $this->factory->post->create( array( 'post_status' => 'publish', 'post_type' => 'page', 'post_parent' => $id1 ) );
+
+               $request = new WP_REST_Request( 'GET', '/wp/v2/pages' );
+               $request->set_param( 'include', array( $id1, $id2, $id3 ) );
+               $request->set_param( 'orderby', 'parent' );
+
+               $response = $this->server->dispatch( $request );
+               $data = $response->get_data();
+
+               $this->assertEquals( 200, $response->get_status() );
+               $this->assertEquals( $id3, $data[0]['id'] );
+               // Check ordering. Default ORDER is DESC.
+               $this->assertEquals( $id1, $data[0]['parent'] );
+               $this->assertEquals( 0, $data[1]['parent'] );
+               $this->assertEquals( 0, $data[2]['parent'] );
+
+               $this->assertPostsOrderedBy( '{posts}.post_parent DESC' );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function test_get_items_exclude_query() {
</span><span class="cx" style="display: block; padding: 0 10px">                $id1 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="cx" style="display: block; padding: 0 10px">                $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span></span></pre></div>
<a id="trunktestsqunitfixtureswpapigeneratedjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/qunit/fixtures/wp-api-generated.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/qunit/fixtures/wp-api-generated.js    2017-05-10 10:28:19 UTC (rev 40604)
+++ trunk/tests/qunit/fixtures/wp-api-generated.js      2017-05-10 18:51:28 UTC (rev 40605)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -226,12 +226,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                             "required": false,
</span><span class="cx" style="display: block; padding: 0 10px">                             "default": "date",
</span><span class="cx" style="display: block; padding: 0 10px">                             "enum": [
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "author",
</ins><span class="cx" style="display: block; padding: 0 10px">                                 "date",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "relevance",
</del><span class="cx" style="display: block; padding: 0 10px">                                 "id",
</span><span class="cx" style="display: block; padding: 0 10px">                                 "include",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "title",
-                                "slug"
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "modified",
+                                "parent",
+                                "relevance",
+                                "slug",
+                                "title"
</ins><span class="cx" style="display: block; padding: 0 10px">                             ],
</span><span class="cx" style="display: block; padding: 0 10px">                             "description": "Sort collection by object attribute.",
</span><span class="cx" style="display: block; padding: 0 10px">                             "type": "string"
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -844,12 +847,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                             "required": false,
</span><span class="cx" style="display: block; padding: 0 10px">                             "default": "date",
</span><span class="cx" style="display: block; padding: 0 10px">                             "enum": [
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "author",
</ins><span class="cx" style="display: block; padding: 0 10px">                                 "date",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "relevance",
</del><span class="cx" style="display: block; padding: 0 10px">                                 "id",
</span><span class="cx" style="display: block; padding: 0 10px">                                 "include",
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "modified",
+                                "parent",
+                                "relevance",
+                                "slug",
</ins><span class="cx" style="display: block; padding: 0 10px">                                 "title",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "slug",
</del><span class="cx" style="display: block; padding: 0 10px">                                 "menu_order"
</span><span class="cx" style="display: block; padding: 0 10px">                             ],
</span><span class="cx" style="display: block; padding: 0 10px">                             "description": "Sort collection by object attribute.",
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1379,12 +1385,15 @@
</span><span class="cx" style="display: block; padding: 0 10px">                             "required": false,
</span><span class="cx" style="display: block; padding: 0 10px">                             "default": "date",
</span><span class="cx" style="display: block; padding: 0 10px">                             "enum": [
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "author",
</ins><span class="cx" style="display: block; padding: 0 10px">                                 "date",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "relevance",
</del><span class="cx" style="display: block; padding: 0 10px">                                 "id",
</span><span class="cx" style="display: block; padding: 0 10px">                                 "include",
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                "title",
-                                "slug"
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                "modified",
+                                "parent",
+                                "relevance",
+                                "slug",
+                                "title"
</ins><span class="cx" style="display: block; padding: 0 10px">                             ],
</span><span class="cx" style="display: block; padding: 0 10px">                             "description": "Sort collection by object attribute.",
</span><span class="cx" style="display: block; padding: 0 10px">                             "type": "string"
</span></span></pre>
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