1 files changed, 117 insertions, 0 deletions
diff --git a/www/wiki/includes/search/SearchEngineConfig.php b/www/wiki/includes/search/SearchEngineConfig.php
new file mode 100644
index 00000000..90f85c3d
--- /dev/null
+++ b/www/wiki/includes/search/SearchEngineConfig.php
@@ -0,0 +1,117 @@
+<?php
+
+/**
+ * Configuration handling class for SearchEngine.
+ * Provides added service over plain configuration.
+ *
+ * @since 1.27
+ */
+class SearchEngineConfig {
+
+	/**
+	 * Config object from which the settings will be derived.
+	 * @var Config
+	 */
+	private $config;
+
+	/**
+	 * Current language
+	 * @var Language
+	 */
+	private $language;
+
+	public function __construct( Config $config, Language $lang ) {
+		$this->config = $config;
+		$this->language = $lang;
+	}
+
+	/**
+	 * Retrieve original config.
+	 * @return Config
+	 */
+	public function getConfig() {
+		return $this->config;
+	}
+
+	/**
+	 * Make a list of searchable namespaces and their canonical names.
+	 * @return array Namespace ID => name
+	 */
+	public function searchableNamespaces() {
+		$arr = [];
+		foreach ( $this->language->getNamespaces() as $ns => $name ) {
+			if ( $ns >= NS_MAIN ) {
+				$arr[$ns] = $name;
+			}
+		}
+
+		Hooks::run( 'SearchableNamespaces', [ &$arr ] );
+		return $arr;
+	}
+
+	/**
+	 * Extract default namespaces to search from the given user's
+	 * settings, returning a list of index numbers.
+	 *
+	 * @param user $user
+	 * @return int[]
+	 */
+	public function userNamespaces( $user ) {
+		$arr = [];
+		foreach ( $this->searchableNamespaces() as $ns => $name ) {
+			if ( $user->getOption( 'searchNs' . $ns ) ) {
+				$arr[] = $ns;
+			}
+		}
+
+		return $arr;
+	}
+
+	/**
+	 * An array of namespaces indexes to be searched by default
+	 *
+	 * @return int[] Namespace IDs
+	 */
+	public function defaultNamespaces() {
+		return array_keys( $this->config->get( 'NamespacesToBeSearchedDefault' ), true );
+	}
+
+	/**
+	 * Return the search engines we support. If only $wgSearchType
+	 * is set, it'll be an array of just that one item.
+	 *
+	 * @return array
+	 */
+	public function getSearchTypes() {
+		$alternatives = $this->config->get( 'SearchTypeAlternatives' ) ?: [];
+		array_unshift( $alternatives, $this->config->get( 'SearchType' ) );
+
+		return $alternatives;
+	}
+
+	/**
+	 * Return the search engine configured in $wgSearchType, etc.
+	 *
+	 * @return string|null
+	 */
+	public function getSearchType() {
+		return $this->config->get( 'SearchType' );
+	}
+
+	/**
+	 * Get a list of namespace names useful for showing in tooltips
+	 * and preferences.
+	 *
+	 * @param int[] $namespaces
+	 * @return string[] List of names
+	 */
+	public function namespacesAsText( $namespaces ) {
+		$formatted = array_map( [ $this->language, 'getFormattedNsText' ], $namespaces );
+		foreach ( $formatted as $key => $ns ) {
+			if ( empty( $ns ) ) {
+				$formatted[$key] = wfMessage( 'blanknamespace' )->text();
+			}
+		}
+		return $formatted;
+	}
+}