Liangent has uploaded a new change for review.
https://gerrit.wikimedia.org/r/71279
Change subject: New function Utils::getLanguageFallbackChainFromContext()
......................................................................
New function Utils::getLanguageFallbackChainFromContext()
Change-Id: Id5c2131cd072506ffeed1d53d7d0dfdba0c8e782
---
M lib/includes/Utils.php
M lib/tests/phpunit/UtilsTest.php
2 files changed, 83 insertions(+), 1 deletion(-)
git pull ssh://gerrit.wikimedia.org:29418/mediawiki/extensions/Wikibase
refs/changes/79/71279/1
diff --git a/lib/includes/Utils.php b/lib/includes/Utils.php
index 1eff1f6..6ce8af5 100644
--- a/lib/includes/Utils.php
+++ b/lib/includes/Utils.php
@@ -1,7 +1,7 @@
<?php
namespace Wikibase;
-use Sanitizer, UtfNormal, Language, SiteList, SiteSQLStore;
+use Sanitizer, UtfNormal, Language, SiteList, SiteSQLStore, IContextSource;
/**
* Utility functions for Wikibase.
@@ -126,6 +126,80 @@
}
/**
+ * Returns the fallback chain for a context, currently based on data
provided by Extension:Babel.
+ *
+ * @param IContextSource $context
+ *
+ * @return array of LanguageWithConversion objects
+ */
+ public static function getLanguageFallbackChainFromContext(
IContextSource $context ) {
+ static $cache = array();
+ static $levels = null;
+ $user = $context->getUser();
+
+ if ( !class_exists( 'Babel' ) || $user->isAnon() ) {
+ return self::getLanguageFallbackChain(
$context->getLanguage() );
+ }
+
+ if ( isset( $cache[$user->getName()] ) ) {
+ return $cache[$user->getName()];
+ }
+
+ if ( $levels === null ) {
+ global $wgBabelCategoryNames;
+ $levels = array_keys( $wgBabelCategoryNames );
+ rsort( $levels );
+ }
+
+ $fetched = array();
+ $chain = array();
+ $babels = array();
+ $contextLanguage = array( $context->getLanguage()->getCode() );
+
+ if ( count( $levels ) ) {
+ // A little redundant but it's the only way to get
required information with current Babel API.
+ $previousLevelBabel = array();
+ foreach ( $levels as $level ) {
+ // Make the current language at the top of the
chain.
+ $levelBabel = array_unique( array_merge(
+ $contextLanguage,
\Babel::getUserLanguages( $user, $level )
+ ) );
+ $babels[$level] = array_diff( $levelBabel,
$previousLevelBabel );
+ $previousLevelBabel = $levelBabel;
+ }
+ } else {
+ // Just in case
+ $babels['N'] = $contextLanguage;
+ }
+
+ // First pass to get "compatible" languages (self and variants)
+ foreach ( $babels as $languageCodes ) { // Already sorted when
added
+ foreach ( array( self::LANGUAGE_FALLBACK_SELF,
self::LANGUAGE_FALLBACK_VARIANTS ) as $mode ) {
+ foreach ( $languageCodes as $languageCode ) {
+ $chain = array_merge( $chain,
self::getLanguageFallbackChainInternal(
+ Language::factory(
$languageCode ), $mode, $fetched
+ ) );
+ }
+ }
+ }
+
+ // Second pass to get other languages from system fallback chain
+ foreach ( $babels as $languageCodes ) {
+ foreach ( $languageCodes as $languageCode ) {
+ $chain = array_merge( $chain,
self::getLanguageFallbackChainInternal(
+ Language::factory( $languageCode ),
+ self::LANGUAGE_FALLBACK_OTHERS |
self::LANGUAGE_FALLBACK_VARIANTS,
+ $fetched
+ ) );
+ }
+ }
+
+ $cache[$user->getName()] = $chain;
+
+ return $chain;
+ }
+
+ /**
* Returns a list of language codes that Wikibase supports,
* ie the languages that a label or description can be in.
*
diff --git a/lib/tests/phpunit/UtilsTest.php b/lib/tests/phpunit/UtilsTest.php
index 5f89cd3..b6a8fb0 100644
--- a/lib/tests/phpunit/UtilsTest.php
+++ b/lib/tests/phpunit/UtilsTest.php
@@ -150,6 +150,14 @@
/**
* @group WikibaseUtils
+ */
+ public function testGetLanguageFallbackChainFromContext() {
+ $chain = Utils::getLanguageFallbackChainFromContext(
\RequestContext::getMain() );
+ $this->assertTrue( is_array( $chain ) );
+ }
+
+ /**
+ * @group WikibaseUtils
* @dataProvider providerGetLanguageCodes
*/
public function testGetLanguageCodes( $lang ) {
--
To view, visit https://gerrit.wikimedia.org/r/71279
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Id5c2131cd072506ffeed1d53d7d0dfdba0c8e782
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/Wikibase
Gerrit-Branch: master
Gerrit-Owner: Liangent <liang...@gmail.com>
Gerrit-Reviewer: Aude <aude.w...@gmail.com>
Gerrit-Reviewer: Denny Vrandecic <denny.vrande...@wikimedia.de>
Gerrit-Reviewer: jenkins-bot
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