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-rw-r--r--includes/api/ApiQueryBase.php247
1 files changed, 67 insertions, 180 deletions
diff --git a/includes/api/ApiQueryBase.php b/includes/api/ApiQueryBase.php
index da07bb6c..28adb415 100644
--- a/includes/api/ApiQueryBase.php
+++ b/includes/api/ApiQueryBase.php
@@ -5,7 +5,7 @@
*
* API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
+ * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -29,15 +29,19 @@ if (!defined('MEDIAWIKI')) {
}
/**
+ * This is a base class for all Query modules.
+ * It provides some common functionality such as constructing various SQL queries.
+ *
* @addtogroup API
*/
abstract class ApiQueryBase extends ApiBase {
- private $mQueryModule, $tables, $where, $fields, $options;
+ private $mQueryModule, $mDb, $tables, $where, $fields, $options;
public function __construct($query, $moduleName, $paramPrefix = '') {
parent :: __construct($query->getMain(), $moduleName, $paramPrefix);
$this->mQueryModule = $query;
+ $this->mDb = null;
$this->resetQueryParams();
}
@@ -48,11 +52,16 @@ abstract class ApiQueryBase extends ApiBase {
$this->options = array ();
}
- protected function addTables($value) {
- if (is_array($value))
- $this->tables = array_merge($this->tables, $value);
- else
- $this->tables[] = $value;
+ protected function addTables($tables, $alias = null) {
+ if (is_array($tables)) {
+ if (!is_null($alias))
+ ApiBase :: dieDebug(__METHOD__, 'Multiple table aliases not supported');
+ $this->tables = array_merge($this->tables, $tables);
+ } else {
+ if (!is_null($alias))
+ $tables = $this->getDB()->tableName($tables) . ' ' . $alias;
+ $this->tables[] = $tables;
+ }
}
protected function addFields($value) {
@@ -124,176 +133,16 @@ abstract class ApiQueryBase extends ApiBase {
return $res;
}
- protected function addRowInfo($prefix, $row) {
-
- $vals = array ();
-
- // ID
- if ( isset( $row-> { $prefix . '_id' } ) )
- $vals[$prefix . 'id'] = intval( $row-> { $prefix . '_id' } );
-
- // Title
- $title = ApiQueryBase :: addRowInfo_title($row, $prefix . '_namespace', $prefix . '_title');
- if ($title) {
- if (!$title->userCanRead())
- return false;
- $vals['ns'] = $title->getNamespace();
- $vals['title'] = $title->getPrefixedText();
- }
-
- switch ($prefix) {
-
- case 'page' :
- // page_is_redirect
- @ $tmp = $row->page_is_redirect;
- if ($tmp)
- $vals['redirect'] = '';
-
- break;
-
- case 'rc' :
- // PageId
- @ $tmp = $row->rc_cur_id;
- if (!is_null($tmp))
- $vals['pageid'] = intval($tmp);
-
- @ $tmp = $row->rc_this_oldid;
- if (!is_null($tmp))
- $vals['revid'] = intval($tmp);
-
- if ( isset( $row->rc_last_oldid ) )
- $vals['old_revid'] = intval( $row->rc_last_oldid );
-
- $title = ApiQueryBase :: addRowInfo_title($row, 'rc_moved_to_ns', 'rc_moved_to_title');
- if ($title) {
- if (!$title->userCanRead())
- return false;
- $vals['new_ns'] = $title->getNamespace();
- $vals['new_title'] = $title->getPrefixedText();
- }
-
- if ( isset( $row->rc_patrolled ) )
- $vals['patrolled'] = '';
-
- break;
-
- case 'log' :
- // PageId
- @ $tmp = $row->page_id;
- if (!is_null($tmp))
- $vals['pageid'] = intval($tmp);
-
- if ($row->log_params !== '') {
- $params = explode("\n", $row->log_params);
- if ($row->log_type == 'move' && isset ($params[0])) {
- $newTitle = Title :: newFromText($params[0]);
- if ($newTitle) {
- $vals['new_ns'] = $newTitle->getNamespace();
- $vals['new_title'] = $newTitle->getPrefixedText();
- $params = null;
- }
- }
-
- if (!empty ($params)) {
- $this->getResult()->setIndexedTagName($params, 'param');
- $vals = array_merge($vals, $params);
- }
- }
-
- break;
-
- case 'rev' :
- // PageID
- @ $tmp = $row->rev_page;
- if (!is_null($tmp))
- $vals['pageid'] = intval($tmp);
- }
-
- // Type
- @ $tmp = $row-> {
- $prefix . '_type' };
- if (!is_null($tmp))
- $vals['type'] = $tmp;
-
- // Action
- @ $tmp = $row-> {
- $prefix . '_action' };
- if (!is_null($tmp))
- $vals['action'] = $tmp;
-
- // Old ID
- @ $tmp = $row-> {
- $prefix . '_text_id' };
- if (!is_null($tmp))
- $vals['oldid'] = intval($tmp);
-
- // User Name / Anon IP
- @ $tmp = $row-> {
- $prefix . '_user_text' };
- if (is_null($tmp))
- @ $tmp = $row->user_name;
- if (!is_null($tmp)) {
- $vals['user'] = $tmp;
- @ $tmp = !$row-> {
- $prefix . '_user' };
- if (!is_null($tmp) && $tmp)
- $vals['anon'] = '';
- }
-
- // Bot Edit
- @ $tmp = $row-> {
- $prefix . '_bot' };
- if (!is_null($tmp) && $tmp)
- $vals['bot'] = '';
-
- // New Edit
- @ $tmp = $row-> {
- $prefix . '_new' };
- if (is_null($tmp))
- @ $tmp = $row-> {
- $prefix . '_is_new' };
- if (!is_null($tmp) && $tmp)
- $vals['new'] = '';
-
- // Minor Edit
- @ $tmp = $row-> {
- $prefix . '_minor_edit' };
- if (is_null($tmp))
- @ $tmp = $row-> {
- $prefix . '_minor' };
- if (!is_null($tmp) && $tmp)
- $vals['minor'] = '';
-
- // Timestamp
- @ $tmp = $row-> {
- $prefix . '_timestamp' };
- if (!is_null($tmp))
- $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $tmp);
-
- // Comment
- @ $tmp = $row-> {
- $prefix . '_comment' };
- if (!empty ($tmp)) // optimize bandwidth
- $vals['comment'] = $tmp;
-
- return $vals;
- }
-
- private static function addRowInfo_title($row, $nsfld, $titlefld) {
- if ( isset( $row-> $nsfld ) ) {
- $ns = $row-> $nsfld;
- @ $title = $row-> $titlefld;
- if (!empty ($title))
- return Title :: makeTitle($ns, $title);
- }
- return false;
+ public static function addTitleInfo(&$arr, $title, $prefix='') {
+ $arr[$prefix . 'ns'] = intval($title->getNamespace());
+ $arr[$prefix . 'title'] = $title->getPrefixedText();
}
-
+
/**
* Override this method to request extra fields from the pageSet
- * using $this->getPageSet()->requestField('fieldName')
+ * using $pageSet->requestField('fieldName')
*/
- public function requestExtraData() {
+ public function requestExtraData($pageSet) {
}
/**
@@ -303,10 +152,25 @@ abstract class ApiQueryBase extends ApiBase {
return $this->mQueryModule;
}
+ /**
+ * Add sub-element under the page element with the given pageId.
+ */
+ protected function addPageSubItems($pageId, $data) {
+ $result = $this->getResult();
+ $result->setIndexedTagName($data, $this->getModulePrefix());
+ $result->addValue(array ('query', 'pages', intval($pageId)),
+ $this->getModuleName(),
+ $data);
+ }
+
protected function setContinueEnumParameter($paramName, $paramValue) {
- $msg = array (
- $this->encodeParamName($paramName
- ) => $paramValue);
+
+ $paramName = $this->encodeParamName($paramName);
+ $msg = array( $paramName => $paramValue );
+
+// This is an alternative continue format as a part of the URL string
+// ApiResult :: setContent($msg, $paramName . '=' . urlencode($paramValue));
+
$this->getResult()->addValue('query-continue', $this->getModuleName(), $msg);
}
@@ -314,7 +178,19 @@ abstract class ApiQueryBase extends ApiBase {
* Get the Query database connection (readonly)
*/
protected function getDB() {
- return $this->getQuery()->getDB();
+ if (is_null($this->mDb))
+ $this->mDb = $this->getQuery()->getDB();
+ return $this->mDb;
+ }
+
+ /**
+ * Selects the query database connection with the given name.
+ * If no such connection has been requested before, it will be created.
+ * Subsequent calls with the same $name will return the same connection
+ * as the first, regardless of $db or $groups new values.
+ */
+ public function selectNamedDB($name, $db, $groups) {
+ $this->mDb = $this->getQuery()->getNamedDB($name, $db, $groups);
}
/**
@@ -322,7 +198,7 @@ abstract class ApiQueryBase extends ApiBase {
* @return ApiPageSet data
*/
protected function getPageSet() {
- return $this->mQueryModule->getPageSet();
+ return $this->getQuery()->getPageSet();
}
/**
@@ -338,8 +214,19 @@ abstract class ApiQueryBase extends ApiBase {
return str_replace('_', ' ', $key);
}
+ public function getTokenFlag($tokenArr, $action) {
+ if (in_array($action, $tokenArr)) {
+ global $wgUser;
+ if ($wgUser->isAllowed($action))
+ return true;
+ else
+ $this->dieUsage("Action '$action' is not allowed for the current user", 'permissiondenied');
+ }
+ return false;
+ }
+
public static function getBaseVersion() {
- return __CLASS__ . ': $Id: ApiQueryBase.php 21402 2007-04-20 08:55:14Z nickj $';
+ return __CLASS__ . ': $Id: ApiQueryBase.php 24533 2007-08-01 22:46:22Z yurik $';
}
}
@@ -375,4 +262,4 @@ abstract class ApiQueryGeneratorBase extends ApiQueryBase {
*/
public abstract function executeGenerator($resultPageSet);
}
-?>
+