From d7a61d72231861755f0ccdaf80d7b4388cebd5df Mon Sep 17 00:00:00 2001
From: Max Semenik <maxsem.wiki@gmail.com>
Date: Thu, 6 Jun 2013 20:04:40 +0400
Subject: [PATCH] action=parse now can parse in preview mode

Bug: 49239
Change-Id: Iacfea0219ef21dc91d669f51140ec129c2f41f76
---
 RELEASE-NOTES-1.22        |  1 +
 includes/api/ApiParse.php | 31 +++++++++++++++++++++++++------
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/RELEASE-NOTES-1.22 b/RELEASE-NOTES-1.22
index 5339514d05..07763d95e6 100644
--- a/RELEASE-NOTES-1.22
+++ b/RELEASE-NOTES-1.22
@@ -158,6 +158,7 @@ production.
 * prop=info now adds the content model and page language of the title.
 * New upload log entries will now contain information on the relavent
   image (sha1 and timestamp).
+* (bug 49239) action=parse now can parse in preview mode.
 
 === Languages updated in 1.22===
 
diff --git a/includes/api/ApiParse.php b/includes/api/ApiParse.php
index bde1d99574..800af25afe 100644
--- a/includes/api/ApiParse.php
+++ b/includes/api/ApiParse.php
@@ -94,8 +94,7 @@ class ApiParse extends ApiBase {
 				$titleObj = $rev->getTitle();
 				$wgTitle = $titleObj;
 				$pageObj = WikiPage::factory( $titleObj );
-				$popts = $pageObj->makeParserOptions( $this->getContext() );
-				$popts->enableLimitReport( !$params['disablepp'] );
+				$popts = $this->makeParserOptions( $pageObj, $params );
 
 				// If for some reason the "oldid" is actually the current revision, it may be cached
 				if ( $rev->isCurrent() ) {
@@ -152,8 +151,7 @@ class ApiParse extends ApiBase {
 					$oldid = $pageObj->getLatest();
 				}
 
-				$popts = $pageObj->makeParserOptions( $this->getContext() );
-				$popts->enableLimitReport( !$params['disablepp'] );
+				$popts = $this->makeParserOptions( $pageObj, $params );
 
 				// Potentially cached
 				$p_result = $this->getParsedContent( $pageObj, $popts, $pageid,
@@ -170,8 +168,7 @@ class ApiParse extends ApiBase {
 			$wgTitle = $titleObj;
 			$pageObj = WikiPage::factory( $titleObj );
 
-			$popts = $pageObj->makeParserOptions( $this->getContext() );
-			$popts->enableLimitReport( !$params['disablepp'] );
+			$popts = $this->makeParserOptions( $pageObj, $params );
 
 			if ( is_null( $text ) ) {
 				$this->dieUsage( 'The text parameter should be passed with the title parameter. Should you be using the "page" parameter instead?', 'params' );
@@ -359,6 +356,26 @@ class ApiParse extends ApiBase {
 		}
 	}
 
+	/**
+	 * Constructs a ParserOptions object
+	 *
+	 * @param WikiPage $pageObj
+	 * @param array $params
+	 *
+	 * @return ParserOptions
+	 */
+	protected function makeParserOptions( WikiPage $pageObj, array $params ) {
+		wfProfileIn( __METHOD__ );
+
+		$popts = $pageObj->makeParserOptions( $this->getContext() );
+		$popts->enableLimitReport( !$params['disablepp'] );
+		$popts->setIsPreview( $params['preview'] );
+		$popts->setIsSectionPreview( $params['preview'] && $this->section !== false );
+
+		wfProfileOut( __METHOD__ );
+		return $popts;
+	}
+
 	/**
 	 * @param $page WikiPage
 	 * @param $popts ParserOptions
@@ -594,6 +611,7 @@ class ApiParse extends ApiBase {
 			'section' => null,
 			'disablepp' => false,
 			'generatexml' => false,
+			'preview' => false,
 			'contentformat' => array(
 				ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
 			),
@@ -649,6 +667,7 @@ class ApiParse extends ApiBase {
 			'section' => 'Only retrieve the content of this section number',
 			'disablepp' => 'Disable the PP Report from the parser output',
 			'generatexml' => 'Generate XML parse tree (requires prop=wikitext)',
+			'preview' => 'Parse in preview mode',
 			'contentformat' => 'Content serialization format used for the input text',
 			'contentmodel' => 'Content model of the new content',
 		);
-- 
2.20.1