From 7518139ca5402e3a37716b97d52ff499752b8bc3 Mon Sep 17 00:00:00 2001
From: Rob Church <robchurch@users.mediawiki.org>
Date: Sat, 29 Apr 2006 22:01:21 +0000
Subject: [PATCH] (bug 5716) Warn when a user tries to upload a file which was
 previously deleted

---
 RELEASE-NOTES              |  1 +
 includes/Image.php         | 11 +++++++++++
 includes/SpecialUpload.php | 12 +++++++++++-
 languages/Messages.php     |  1 +
 4 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 299baa1be6..daac35bd42 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -145,6 +145,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * Rewrite reassignEdits script to be more efficient; support optional updates to
   recent changes table; add reporting and silent modes
 * Cleaned up formatNum usage in langfiles
+* (bug 5716) Warn when a user tries to upload a file which was previously deleted
 
 == Compatibility ==
 
diff --git a/includes/Image.php b/includes/Image.php
index bb8ce4f1a9..013cdbaf1e 100644
--- a/includes/Image.php
+++ b/includes/Image.php
@@ -1641,6 +1641,17 @@ class Image
 	function isLocal() {
 		return !$this->fromSharedDirectory;
 	}
+	
+	/**
+	 * Was this image ever deleted from the wiki?
+	 *
+	 * @return bool
+	 */
+	function wasDeleted() {
+		$dbw =& wfGetDB( DB_MASTER );
+		$del = $dbw->selectField( 'archive', 'COUNT(*) AS count', array( 'ar_namespace' => NS_IMAGE, 'ar_title' => $this->title->getDBkey() ), 'Image::wasDeleted' );
+		return $del > 0;
+	}
 
 } //class
 
diff --git a/includes/SpecialUpload.php b/includes/SpecialUpload.php
index 1c486e605f..f08b6e1c7e 100644
--- a/includes/SpecialUpload.php
+++ b/includes/SpecialUpload.php
@@ -48,7 +48,7 @@ class UploadForm {
 			return;
 		}
 
-		$this->mIgnoreWarning     = $request->getCheck( 'wpIgnoreWarning');
+		$this->mIgnoreWarning     = $request->getCheck( 'wpIgnoreWarning' );
 		$this->mReUpload          = $request->getCheck( 'wpReUpload' );
 		$this->mUpload            = $request->getCheck( 'wpUpload' );
 
@@ -298,6 +298,16 @@ class UploadForm {
 				$sk = $wgUser->getSkin();
 				$dlink = $sk->makeKnownLinkObj( $nt );
 				$warning .= '<li>'.wfMsgHtml( 'fileexists', $dlink ).'</li>';
+			} else {
+				# If the file existed before and was deleted, warn the user of this
+				# Don't bother doing so if the image exists now, however
+				$image = new Image( $nt );
+				if( $image->wasDeleted() ) {
+					$skin = $wgUser->getSkin();
+					$ltitle = Title::makeTitle( NS_SPECIAL, 'Log' );
+					$llink = $skin->makeKnownLinkObj( $ltitle, wfMsgHtml( 'deletionlog' ), 'type=delete&page=' . $nt->getPrefixedUrl() );
+					$warning .= wfOpenElement( 'li' ) . wfMsgHtml( 'filewasdeleted', $llink ) . wfCloseElement( 'li' );
+				}
 			}
 
 			if( $warning != '' ) {
diff --git a/languages/Messages.php b/languages/Messages.php
index 0c44f21cab..bb5dca40b7 100644
--- a/languages/Messages.php
+++ b/languages/Messages.php
@@ -864,6 +864,7 @@ created and by whom, and anything else you may know about it. If this is an imag
 'uploadvirus' => 'The file contains a virus! Details: $1',
 'sourcefilename' => 'Source filename',
 'destfilename' => 'Destination filename',
+'filewasdeleted' => 'A file of this name has been previously uploaded and subsequently deleted. You should check the $1 before proceeding to upload it again.',
 
 'license' => 'Licensing',
 'nolicense' => 'None selected',
-- 
2.20.1