1 files changed, 246 insertions, 0 deletions
diff --git a/www/wiki/includes/actions/CreditsAction.php b/www/wiki/includes/actions/CreditsAction.php
new file mode 100644
index 00000000..ed58686a
--- /dev/null
+++ b/www/wiki/includes/actions/CreditsAction.php
@@ -0,0 +1,246 @@
+<?php
+/**
+ * Formats credits for articles
+ *
+ * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * @file
+ * @ingroup Actions
+ * @author <evan@wikitravel.org>
+ */
+
+use MediaWiki\MediaWikiServices;
+
+/**
+ * @ingroup Actions
+ */
+class CreditsAction extends FormlessAction {
+
+	public function getName() {
+		return 'credits';
+	}
+
+	protected function getDescription() {
+		return $this->msg( 'creditspage' )->escaped();
+	}
+
+	/**
+	 * This is largely cadged from PageHistory::history
+	 *
+	 * @return string HTML
+	 */
+	public function onView() {
+		if ( $this->page->getID() == 0 ) {
+			$s = $this->msg( 'nocredits' )->parse();
+		} else {
+			$s = $this->getCredits( -1 );
+		}
+
+		return Html::rawElement( 'div', [ 'id' => 'mw-credits' ], $s );
+	}
+
+	/**
+	 * Get a list of contributors
+	 *
+	 * @param int $cnt Maximum list of contributors to show
+	 * @param bool $showIfMax Whether to contributors if there more than $cnt
+	 * @return string Html
+	 */
+	public function getCredits( $cnt, $showIfMax = true ) {
+		$s = '';
+
+		if ( $cnt != 0 ) {
+			$s = $this->getAuthor( $this->page );
+			if ( $cnt > 1 || $cnt < 0 ) {
+				$s .= ' ' . $this->getContributors( $cnt - 1, $showIfMax );
+			}
+		}
+
+		return $s;
+	}
+
+	/**
+	 * Get the last author with the last modification time
+	 * @param Page $page
+	 * @return string HTML
+	 */
+	protected function getAuthor( Page $page ) {
+		$user = User::newFromName( $page->getUserText(), false );
+
+		$timestamp = $page->getTimestamp();
+		if ( $timestamp ) {
+			$lang = $this->getLanguage();
+			$d = $lang->date( $page->getTimestamp(), true );
+			$t = $lang->time( $page->getTimestamp(), true );
+		} else {
+			$d = '';
+			$t = '';
+		}
+
+		return $this->msg( 'lastmodifiedatby', $d, $t )->rawParams(
+			$this->userLink( $user ) )->params( $user->getName() )->escaped();
+	}
+
+	/**
+	 * Whether we can display the user's real name (not a hidden pref)
+	 *
+	 * @since 1.24
+	 * @return bool
+	 */
+	protected function canShowRealUserName() {
+		$hiddenPrefs = $this->context->getConfig()->get( 'HiddenPrefs' );
+		return !in_array( 'realname', $hiddenPrefs );
+	}
+
+	/**
+	 * Get a list of contributors of $article
+	 * @param int $cnt Maximum list of contributors to show
+	 * @param bool $showIfMax Whether to contributors if there more than $cnt
+	 * @return string Html
+	 */
+	protected function getContributors( $cnt, $showIfMax ) {
+		$contributors = $this->page->getContributors();
+
+		$others_link = false;
+
+		# Hmm... too many to fit!
+		if ( $cnt > 0 && $contributors->count() > $cnt ) {
+			$others_link = $this->othersLink();
+			if ( !$showIfMax ) {
+				return $this->msg( 'othercontribs' )->rawParams(
+					$others_link )->params( $contributors->count() )->escaped();
+			}
+		}
+
+		$real_names = [];
+		$user_names = [];
+		$anon_ips = [];
+
+		# Sift for real versus user names
+		/** @var User $user */
+		foreach ( $contributors as $user ) {
+			$cnt--;
+			if ( $user->isLoggedIn() ) {
+				$link = $this->link( $user );
+				if ( $this->canShowRealUserName() && $user->getRealName() ) {
+					$real_names[] = $link;
+				} else {
+					$user_names[] = $link;
+				}
+			} else {
+				$anon_ips[] = $this->link( $user );
+			}
+
+			if ( $cnt == 0 ) {
+				break;
+			}
+		}
+
+		$lang = $this->getLanguage();
+
+		if ( count( $real_names ) ) {
+			$real = $lang->listToText( $real_names );
+		} else {
+			$real = false;
+		}
+
+		# "ThisSite user(s) A, B and C"
+		if ( count( $user_names ) ) {
+			$user = $this->msg( 'siteusers' )->rawParams( $lang->listToText( $user_names ) )->params(
+				count( $user_names ) )->escaped();
+		} else {
+			$user = false;
+		}
+
+		if ( count( $anon_ips ) ) {
+			$anon = $this->msg( 'anonusers' )->rawParams( $lang->listToText( $anon_ips ) )->params(
+				count( $anon_ips ) )->escaped();
+		} else {
+			$anon = false;
+		}
+
+		# This is the big list, all mooshed together. We sift for blank strings
+		$fulllist = [];
+		foreach ( [ $real, $user, $anon, $others_link ] as $s ) {
+			if ( $s !== false ) {
+				array_push( $fulllist, $s );
+			}
+		}
+
+		$count = count( $fulllist );
+
+		# "Based on work by ..."
+		return $count
+			? $this->msg( 'othercontribs' )->rawParams(
+				$lang->listToText( $fulllist ) )->params( $count )->escaped()
+			: '';
+	}
+
+	/**
+	 * Get a link to $user's user page
+	 * @param User $user
+	 * @return string Html
+	 */
+	protected function link( User $user ) {
+		if ( $this->canShowRealUserName() && !$user->isAnon() ) {
+			$real = $user->getRealName();
+			if ( $real === '' ) {
+				$real = $user->getName();
+			}
+		} else {
+			$real = $user->getName();
+		}
+
+		$page = $user->isAnon()
+			? SpecialPage::getTitleFor( 'Contributions', $user->getName() )
+			: $user->getUserPage();
+
+		return MediaWikiServices::getInstance()
+			->getLinkRenderer()->makeLink( $page, $real );
+	}
+
+	/**
+	 * Get a link to $user's user page
+	 * @param User $user
+	 * @return string Html
+	 */
+	protected function userLink( User $user ) {
+		$link = $this->link( $user );
+		if ( $user->isAnon() ) {
+			return $this->msg( 'anonuser' )->rawParams( $link )->parse();
+		} else {
+			if ( $this->canShowRealUserName() && $user->getRealName() ) {
+				return $link;
+			} else {
+				return $this->msg( 'siteuser' )->rawParams( $link )->params( $user->getName() )->escaped();
+			}
+		}
+	}
+
+	/**
+	 * Get a link to action=credits of $article page
+	 * @return string HTML link
+	 */
+	protected function othersLink() {
+		return MediaWikiServices::getInstance()->getLinkRenderer()->makeKnownLink(
+			$this->getTitle(),
+			$this->msg( 'others' )->text(),
+			[],
+			[ 'action' => 'credits' ]
+		);
+	}
+}