From 15cff8574822686554cfdcc3038bfc36449990a3 Mon Sep 17 00:00:00 2001
From: Amir Sarabadani <ladsgroup@gmail.com>
Date: Fri, 9 Mar 2018 20:32:41 +0100
Subject: [PATCH] Add ExternalUserNames::getLocal() to get local part of
 username

Bug: T189320
Change-Id: I99908ced218c45ecbb23f390f065170292f153b4
---
 includes/user/ExternalUserNames.php           | 14 +++++++++++++
 .../includes/user/ExternalUserNamesTest.php   | 20 +++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/includes/user/ExternalUserNames.php b/includes/user/ExternalUserNames.php
index f039d04ec1..f953b144d8 100644
--- a/includes/user/ExternalUserNames.php
+++ b/includes/user/ExternalUserNames.php
@@ -116,4 +116,18 @@ class ExternalUserNames {
 		return strpos( $username, '>' ) !== false;
 	}
 
+	/**
+	 * Get local part of the user name
+	 *
+	 * @param string $username Username to get
+	 * @return string
+	 */
+	public static function getLocal( $username ) {
+		if ( !self::isExternal( $username ) ) {
+			return $username;
+		}
+
+		return substr( $username, strpos( $username, '>' ) + 1 );
+	}
+
 }
diff --git a/tests/phpunit/includes/user/ExternalUserNamesTest.php b/tests/phpunit/includes/user/ExternalUserNamesTest.php
index cf395f2427..429bda4625 100644
--- a/tests/phpunit/includes/user/ExternalUserNamesTest.php
+++ b/tests/phpunit/includes/user/ExternalUserNamesTest.php
@@ -108,4 +108,24 @@ class ExternalUserNamesTest extends MediaWikiTestCase {
 		);
 	}
 
+	public function provideGetLocal() {
+		return [
+			[ 'User1', 'User1' ],
+			[ '>User2', 'User2' ],
+			[ 'prefix>User3', 'User3' ],
+			[ 'prefix:>User4', 'User4' ],
+		];
+	}
+
+	/**
+	 * @covers ExternalUserNames::getLocal
+	 * @dataProvider provideGetLocal
+	 */
+	public function testGetLocal( $username, $expected ) {
+		$this->assertSame(
+			$expected,
+			ExternalUserNames::getLocal( $username )
+		);
+	}
+
 }
-- 
2.20.1