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<title>[5348] sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-site-query-locale-support.php: WordPress.org: Open source must-use plugin to query sites by a WordPress locale.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/5348">5348</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/5348","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>ocean90</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-04-16 12:25:15 +0000 (Sun, 16 Apr 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'>WordPress.org: Open source must-use plugin to query sites by a WordPress locale.</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentmupluginspubwporgsitequerylocalesupportphp">sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-site-query-locale-support.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentmupluginspubwporgsitequerylocalesupportphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-site-query-locale-support.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-site-query-locale-support.php (rev 0)
+++ sites/trunk/wordpress.org/public_html/wp-content/mu-plugins/pub/wporg-site-query-locale-support.php 2017-04-16 12:25:15 UTC (rev 5348)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,98 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Plugin Name: Site Query Locale Support
+ * Description: Allows to query sites by a WordPress locale.
+ * Version: 1.0
+ * Author: WordPress.org
+ * Author URI: https://wordpress.org/
+ * License: GPLv2 or later
+ */
+
+namespace WordPressdotorg\ExtendedSiteQuery;
+
+const LOCALES_TABLES = 'wporg_locales';
+
+/**
+ * Adds WHERE and JOIN clauses if the 'locale', 'locale__in' or 'locale__not_in' query var is set.
+ *
+ * @param array $clauses Site query clauses.
+ * @param \WP_Site_Query $query The site query.
+ * @return array Site query clauses.
+ */
+function extend_sites_clauses( $clauses, $query ) {
+ global $wpdb;
+
+ if ( empty( $query->query_vars['locale'] ) && empty( $query->query_vars['locale__in'] ) && empty( $query->query_vars['locale__not_in'] ) ) {
+ return $clauses;
+ }
+
+ $clauses['join'] = 'LEFT JOIN ' . LOCALES_TABLES . " ON ($wpdb->blogs.lang_id = " . LOCALES_TABLES . '.locale_id)';
+
+ $where = [];
+
+ if ( ! empty( $query->query_vars['locale'] ) ) {
+ $where[] = $wpdb->prepare( LOCALES_TABLES . '.locale = %s', $query->query_vars['locale'] );
+ }
+
+ if ( ! empty( $query->query_vars['locale__in'] ) ) {
+ $sql = LOCALES_TABLES . '.locale IN (' . implode( ',', array_fill( 0, count( $query->query_vars['locale__in'] ), '%s' ) ) . ')';
+ $where[] = $wpdb->prepare( $sql, $query->query_vars['locale__in'] );
+ }
+
+ if ( ! empty( $query->query_vars['locale__not_in'] ) ) {
+ $sql = LOCALES_TABLES . '.locale NOT IN (' . implode( ',', array_fill( 0, count( $query->query_vars['locale__not_in'] ), '%s' ) ) . ')';
+ $where[] = $wpdb->prepare( $sql, $query->query_vars['locale__not_in'] );
+ }
+
+ $where = implode( ' AND ', $where );
+
+ if ( empty( $clauses['where'] ) ) {
+ $clauses['where'] = $where;
+ } else {
+ $clauses['where'] .= " AND $where";
+ }
+
+ return $clauses;
+}
+add_filter( 'sites_clauses', __NAMESPACE__ . '\extend_sites_clauses', 10, 2 );
+
+/**
+ * Adds 'locale', 'locale__in' and 'locale__not_in' to the default query vars.
+ *
+ * @param \WP_Site_Query $query The site query.
+ */
+function add_locale_to_default_query_vars( $query ) {
+ $query->query_var_defaults = array_merge( $query->query_var_defaults, [ 'locale' => '', 'locale__in' => '', 'locale__not_in' => '' ] );
+}
+add_action( 'parse_site_query', __NAMESPACE__ . '\add_locale_to_default_query_vars' );
+
+/**
+ * Adds 'locale' field to site details.
+ *
+ * @param stdClass $details The site details.
+ * @return stdClass Site details.
+ */
+function add_locale_to_site_details( $details ) {
+ if ( ! $details->lang_id ) {
+ $details->locale = 'en_US';
+ return $details;
+ }
+
+ wp_cache_add_global_groups( [ 'locale-associations' ] );
+
+ $locales = wp_cache_get( 'id-locale', 'locale-associations' );
+ if ( false === $locales ) {
+ global $wpdb;
+ $locales = $wpdb->get_results( 'SELECT locale_id, locale FROM ' . LOCALES_TABLES, OBJECT_K );
+ wp_cache_set( 'id-locale', $locales, 'locale-associations' );
+ }
+
+ if ( isset( $locales[ $details->lang_id ] ) ) {
+ $details->locale = $locales[ $details->lang_id ]->locale;
+ } else {
+ $details->locale = 'en_US';
+ }
+
+ return $details;
+}
+add_filter( 'site_details', __NAMESPACE__ . '\add_locale_to_site_details', 5 );
</ins></span></pre>
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