more accurate documentation for addValue() method
[lhc/web/wiklou.git] / includes / api / ApiQueryLangLinks.php
index 0b7c4a3..b0880bb 100644 (file)
@@ -46,6 +46,11 @@ class ApiQueryLangLinks extends ApiQueryBase {
                }
 
                $params = $this->extractRequestParams();
+
+               if ( isset( $params['title'] ) && !isset( $params['lang'] ) ) {
+                       $this->dieUsageMsg( array( 'missingparam', 'lang' ) );
+               }
+
                $this->addFields( array(
                        'll_from',
                        'll_lang',
@@ -69,12 +74,23 @@ class ApiQueryLangLinks extends ApiQueryBase {
                        );
                }
 
-               // Don't order by ll_from if it's constant in the WHERE clause
-               if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
-                       $this->addOption( 'ORDER BY', 'll_lang' );
+           if ( isset( $params['lang'] ) ) {
+                       $this->addWhereFld( 'll_lang', $params['lang'] );
+                       if ( isset( $params['title'] ) ) {
+                               $this->addWhereFld( 'll_title', $params['title'] );
+                               $this->addOption( 'ORDER BY', 'll_from' );
+                       } else {
+                               $this->addOption( 'ORDER BY', 'll_title, ll_from' );
+                       }
                } else {
-                       $this->addOption( 'ORDER BY', 'll_from, ll_lang' );
+                       // Don't order by ll_from if it's constant in the WHERE clause
+                       if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
+                               $this->addOption( 'ORDER BY', 'll_lang' );
+                       } else {
+                               $this->addOption( 'ORDER BY', 'll_from, ll_lang' );
+                       }
                }
+
                $this->addOption( 'LIMIT', $params['limit'] + 1 );
                $res = $this->select( __METHOD__ );
 
@@ -90,7 +106,7 @@ class ApiQueryLangLinks extends ApiQueryBase {
                        if ( $params['url'] ) {
                                $title = Title::newFromText( "{$row->ll_lang}:{$row->ll_title}" );
                                if ( $title ) {
-                                       $entry['url'] = $title->getFullURL();
+                                       $entry['url'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
                                }
                        }
                        ApiResult::setContent( $entry, $row->ll_title );
@@ -117,6 +133,8 @@ class ApiQueryLangLinks extends ApiQueryBase {
                        ),
                        'continue' => null,
                        'url' => false,
+                       'lang' => null,
+                       'title' => null,
                );
        }
 
@@ -125,6 +143,8 @@ class ApiQueryLangLinks extends ApiQueryBase {
                        'limit' => 'How many langlinks to return',
                        'continue' => 'When more results are available, use this to continue',
                        'url' => 'Whether to get the full URL',
+                       'lang' => 'Language code',
+                       'title' => "Link to search for. Must be used with {$this->getModulePrefix()}lang",
                );
        }
 
@@ -134,17 +154,22 @@ class ApiQueryLangLinks extends ApiQueryBase {
 
        public function getPossibleErrors() {
                return array_merge( parent::getPossibleErrors(), array(
+                       array( 'missingparam', 'lang' ),
                        array( 'code' => '_badcontinue', 'info' => 'Invalid continue param. You should pass the original value returned by the previous query' ),
                ) );
        }
 
-       protected function getExamples() {
+       public function getExamples() {
                return array(
                        'Get interlanguage links from the [[Main Page]]:',
                        '  api.php?action=query&prop=langlinks&titles=Main%20Page&redirects=',
                );
        }
 
+       public function getHelpUrls() {
+               return 'http://www.mediawiki.org/wiki/API:Properties#langlinks_.2F_ll';
+       }
+
        public function getVersion() {
                return __CLASS__ . ': $Id$';
        }