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<title>[36041] branches/4.4: Respect approval status when determining comment page count in `comments_template()`.</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/36041">36041</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/36041","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>boonebgorges</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-12-21 03:10:45 +0000 (Mon, 21 Dec 2015)</dd>
</dl>

<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Respect approval status when determining comment page count in `comments_template()`.

Since 4.4, when fetching the first page of comments and the 'newest' comments
are set to display first, `comments_template()` must perform arithmetic to
determine which comments to show. See <a href="https://core.trac.wordpress.org/ticket/8071">#8071</a>. This arithmetic requires the
total comment count for the current post, which is calculated with a separate
`WP_Comment_Query`. This secondary comment query did not properly account for
non-approved comment statuses; all unapproved comments should be part of the
comment count for admins, and individual users should have their own
unapproved comments included in the count. As a result, `comments_template()`
was, in some cases, being fooled into thinking that a post had fewer comments
available for pagination than it actually had, which resulted in empty pages
of comments.

We correct this problem by mirroring 'status' and 'include_unapproved' params
of the main comment query within the secondary query used to calculate pagination.

Merges <a href="https://core.trac.wordpress.org/changeset/36040">[36040]</a> to the 4.4 branch.

Fixes <a href="https://core.trac.wordpress.org/ticket/35068">#35068</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branches44srcwpincludescommenttemplatephp">branches/4.4/src/wp-includes/comment-template.php</a></li>
<li><a href="#branches44testsphpunittestscommentcommentsTemplatephp">branches/4.4/tests/phpunit/tests/comment/commentsTemplate.php</a></li>
</ul>

<h3>Property Changed</h3>
<ul>
<li><a href="#branches44">branches/4.4/</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.4
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/4.4 2015-12-21 03:06:41 UTC (rev 36040)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.4  2015-12-21 03:10:45 UTC (rev 36041)
</ins><a id="branches44"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.4</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/3.1:18031
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,35802,35823,35825-35826,35829,35832-35834,35837,35839,35850,35931,35933,35944,36003,36005,36038
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,35802,35823,35825-35826,35829,35832-35834,35837,35839,35850,35931,35933,35944,36003,36005,36038,36040
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches44srcwpincludescommenttemplatephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.4/src/wp-includes/comment-template.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.4/src/wp-includes/comment-template.php 2015-12-21 03:06:41 UTC (rev 36040)
+++ branches/4.4/src/wp-includes/comment-template.php   2015-12-21 03:10:45 UTC (rev 36041)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1313,13 +1313,20 @@
</span><span class="cx" style="display: block; padding: 0 10px">                } else {
</span><span class="cx" style="display: block; padding: 0 10px">                        // If fetching the first page of 'newest', we need a top-level comment count.
</span><span class="cx" style="display: block; padding: 0 10px">                        $top_level_query = new WP_Comment_Query();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $top_level_count = $top_level_query->query( array(
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $top_level_args  = array(
</ins><span class="cx" style="display: block; padding: 0 10px">                                 'count'   => true,
</span><span class="cx" style="display: block; padding: 0 10px">                                'orderby' => false,
</span><span class="cx" style="display: block; padding: 0 10px">                                'post_id' => $post->ID,
</span><span class="cx" style="display: block; padding: 0 10px">                                'parent'  => 0,
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         'status'  => 'approve',
+                       );
</ins><span class="cx" style="display: block; padding: 0 10px"> 
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                        if ( isset( $comment_args['include_unapproved'] ) ) {
+                               $top_level_args['include_unapproved'] = $comment_args['include_unapproved'];
+                       }
+
+                       $top_level_count = $top_level_query->query( $top_level_args );
+
</ins><span class="cx" style="display: block; padding: 0 10px">                         $comment_args['offset'] = ( ceil( $top_level_count / $per_page ) - 1 ) * $per_page;
</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="branches44testsphpunittestscommentcommentsTemplatephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.4/tests/phpunit/tests/comment/commentsTemplate.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.4/tests/phpunit/tests/comment/commentsTemplate.php     2015-12-21 03:06:41 UTC (rev 36040)
+++ branches/4.4/tests/phpunit/tests/comment/commentsTemplate.php       2015-12-21 03:10:45 UTC (rev 36041)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -573,4 +573,120 @@
</span><span class="cx" style="display: block; padding: 0 10px">                        $this->assertContains( 'cpage=1', $m );
</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">+
+       /**
+        * @ticket 35068
+        */
+       public function test_query_offset_should_not_include_unapproved_comments() {
+               $now = time();
+               $p = self::factory()->post->create();
+               $comment_1 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '1',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+               ) );
+               $comment_2 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '2',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+               ) );
+               $comment_3 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '3',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+               ) );
+               $comment_4 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '4',
+                       'comment_approved' => '1',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+               ) );
+
+               update_option( 'comment_order', 'asc' );
+               update_option( 'default_comments_page', 'newest' );
+               update_option( 'page_comments', 1 );
+               update_option( 'comments_per_page', 2 );
+
+               $this->go_to( get_permalink( $p ) );
+               $found = get_echo( 'comments_template' );
+
+               // Find the found comments in the markup.
+               preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+               $found_cids = array_map( 'intval', $matches[1] );
+               $this->assertSame( array( $comment_4 ), $found_cids );
+       }
+
+       /**
+        * @ticket 35068
+        */
+       public function test_query_offset_should_include_unapproved_comments() {
+               $comment_author_email = 'foo@example.com';
+
+               $now = time();
+               $p = self::factory()->post->create();
+               $comment_1 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '1',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+               ) );
+               $comment_2 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '2',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+               ) );
+               $comment_3 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '3',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 100 ),
+                       'comment_author_email' => $comment_author_email,
+               ) );
+               $comment_4 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '4',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 200 ),
+                       'comment_author_email' => $comment_author_email,
+               ) );
+               $comment_5 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '5',
+                       'comment_approved' => '0',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 300 ),
+                       'comment_author_email' => $comment_author_email,
+               ) );
+               $comment_6 = self::factory()->comment->create( array(
+                       'comment_post_ID' => $p,
+                       'comment_content' => '6',
+                       'comment_approved' => '1',
+                       'comment_date_gmt' => date( 'Y-m-d H:i:s', $now - 400 ),
+               ) );
+
+               update_option( 'comment_order', 'asc' );
+               update_option( 'default_comments_page', 'newest' );
+               update_option( 'page_comments', 1 );
+               update_option( 'comments_per_page', 2 );
+
+               add_filter( 'wp_get_current_commenter', array( $this, 'fake_current_commenter' ) );
+               $this->go_to( get_permalink( $p ) );
+               $found = get_echo( 'comments_template' );
+               remove_filter( 'wp_get_current_commenter', array( $this, 'fake_current_commenter' ) );
+
+               // Find the found comments in the markup.
+               preg_match_all( '|id="comment-([0-9]+)|', $found, $matches );
+
+               $found_cids = array_map( 'intval', $matches[1] );
+               $this->assertSame( array( $comment_4, $comment_3 ), $found_cids );
+       }
+
+       public function fake_current_commenter( $commenter ) {
+               $commenter['comment_author_email'] = 'foo@example.com';
+               return $commenter;
+       }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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