mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
383 lines
8.4 KiB
PHP
383 lines
8.4 KiB
PHP
<?php
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/**
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* Holders of revision list for a single page
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* List for revision table items for a single page
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*/
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abstract class RevisionListBase extends ContextSource {
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/**
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* @var Title
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*/
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var $title;
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var $ids, $res, $current;
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/**
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* Construct a revision list for a given title
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* @param $context IContextSource
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* @param $title Title
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*/
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function __construct( IContextSource $context, Title $title ) {
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$this->setContext( $context );
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$this->title = $title;
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}
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/**
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* Select items only where the ID is any of the specified values
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* @param $ids Array
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*/
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function filterByIds( array $ids ) {
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$this->ids = $ids;
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}
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/**
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* Get the internal type name of this list. Equal to the table name.
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* Override this function.
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* @return null
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*/
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public function getType() {
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return null;
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}
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/**
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* Initialise the current iteration pointer
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*/
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protected function initCurrent() {
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$row = $this->res->current();
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if ( $row ) {
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$this->current = $this->newItem( $row );
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} else {
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$this->current = false;
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}
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}
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/**
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* Start iteration. This must be called before current() or next().
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* @return First list item
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*/
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public function reset() {
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if ( !$this->res ) {
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$this->res = $this->doQuery( wfGetDB( DB_SLAVE ) );
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} else {
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$this->res->rewind();
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}
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$this->initCurrent();
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return $this->current;
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}
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/**
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* Get the current list item, or false if we are at the end
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*/
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public function current() {
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return $this->current;
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}
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/**
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* Move the iteration pointer to the next list item, and return it.
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*/
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public function next() {
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$this->res->next();
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$this->initCurrent();
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return $this->current;
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}
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/**
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* Get the number of items in the list.
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* @return int
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*/
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public function length() {
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if ( !$this->res ) {
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return 0;
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} else {
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return $this->res->numRows();
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}
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}
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/**
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* Do the DB query to iterate through the objects.
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* @param $db DatabaseBase object to use for the query
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*/
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abstract public function doQuery( $db );
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/**
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* Create an item object from a DB result row
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* @param $row stdclass
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*/
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abstract public function newItem( $row );
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}
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/**
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* Abstract base class for revision items
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*/
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abstract class RevisionItemBase {
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/** The parent RevisionListBase */
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var $list;
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/** The DB result row */
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var $row;
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/**
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* @param $list RevisionListBase
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* @param $row DB result row
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*/
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public function __construct( $list, $row ) {
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$this->list = $list;
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$this->row = $row;
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}
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/**
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* Get the DB field name associated with the ID list.
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* Override this function.
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* @return null
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*/
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public function getIdField() {
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return null;
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}
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/**
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* Get the DB field name storing timestamps.
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* Override this function.
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* @return bool
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*/
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public function getTimestampField() {
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return false;
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}
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/**
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* Get the DB field name storing user ids.
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* Override this function.
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* @return bool
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*/
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public function getAuthorIdField() {
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return false;
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}
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/**
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* Get the DB field name storing user names.
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* Override this function.
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* @return bool
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*/
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public function getAuthorNameField() {
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return false;
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}
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/**
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* Get the ID, as it would appear in the ids URL parameter
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* @return
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*/
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public function getId() {
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$field = $this->getIdField();
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return $this->row->$field;
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}
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/**
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* Get the date, formatted in user's language
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* @return String
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*/
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public function formatDate() {
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return $this->list->getLanguage()->userDate( $this->getTimestamp(),
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$this->list->getUser() );
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}
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/**
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* Get the time, formatted in user's language
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* @return String
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*/
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public function formatTime() {
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return $this->list->getLanguage()->userTime( $this->getTimestamp(),
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$this->list->getUser() );
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}
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/**
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* Get the timestamp in MW 14-char form
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* @return Mixed
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*/
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public function getTimestamp() {
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$field = $this->getTimestampField();
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return wfTimestamp( TS_MW, $this->row->$field );
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}
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/**
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* Get the author user ID
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* @return int
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*/
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public function getAuthorId() {
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$field = $this->getAuthorIdField();
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return intval( $this->row->$field );
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}
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/**
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* Get the author user name
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* @return string
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*/
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public function getAuthorName() {
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$field = $this->getAuthorNameField();
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return strval( $this->row->$field );
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}
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/**
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* Returns true if the current user can view the item
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*/
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abstract public function canView();
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/**
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* Returns true if the current user can view the item text/file
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*/
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abstract public function canViewContent();
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/**
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* Get the HTML of the list item. Should be include "<li></li>" tags.
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* This is used to show the list in HTML form, by the special page.
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*/
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abstract public function getHTML();
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}
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class RevisionList extends RevisionListBase {
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public function getType() {
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return 'revision';
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}
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/**
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* @param $db DatabaseBase
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* @return mixed
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*/
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public function doQuery( $db ) {
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$conds = array( 'rev_page' => $this->title->getArticleID() );
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if ( $this->ids !== null ) {
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$conds['rev_id'] = array_map( 'intval', $this->ids );
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}
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return $db->select(
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array( 'revision', 'page', 'user' ),
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array_merge( Revision::selectFields(), Revision::selectUserFields() ),
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$conds,
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__METHOD__,
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array( 'ORDER BY' => 'rev_id DESC' ),
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array(
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'page' => Revision::pageJoinCond(),
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'user' => Revision::userJoinCond() )
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);
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}
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public function newItem( $row ) {
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return new RevisionItem( $this, $row );
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}
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}
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/**
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* Item class for a live revision table row
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*/
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class RevisionItem extends RevisionItemBase {
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var $revision, $context;
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public function __construct( $list, $row ) {
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parent::__construct( $list, $row );
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$this->revision = new Revision( $row );
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$this->context = $list->getContext();
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}
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public function getIdField() {
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return 'rev_id';
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}
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public function getTimestampField() {
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return 'rev_timestamp';
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}
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public function getAuthorIdField() {
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return 'rev_user';
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}
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public function getAuthorNameField() {
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return 'user_name'; // see Revision::selectUserFields()
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}
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public function canView() {
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return $this->revision->userCan( Revision::DELETED_RESTRICTED, $this->context->getUser() );
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}
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public function canViewContent() {
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return $this->revision->userCan( Revision::DELETED_TEXT, $this->context->getUser() );
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}
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public function isDeleted() {
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return $this->revision->isDeleted( Revision::DELETED_TEXT );
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}
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/**
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* Get the HTML link to the revision text.
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* Overridden by RevDel_ArchiveItem.
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* @return string
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*/
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protected function getRevisionLink() {
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$date = $this->list->getLanguage()->timeanddate( $this->revision->getTimestamp(), true );
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if ( $this->isDeleted() && !$this->canViewContent() ) {
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return $date;
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}
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return Linker::link(
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$this->list->title,
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$date,
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array(),
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array(
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'oldid' => $this->revision->getId(),
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'unhide' => 1
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)
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);
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}
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/**
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* Get the HTML link to the diff.
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* Overridden by RevDel_ArchiveItem
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* @return string
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*/
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protected function getDiffLink() {
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if ( $this->isDeleted() && !$this->canViewContent() ) {
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return $this->context->msg( 'diff' )->escaped();
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} else {
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return Linker::link(
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$this->list->title,
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$this->context->msg( 'diff' )->escaped(),
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array(),
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array(
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'diff' => $this->revision->getId(),
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'oldid' => 'prev',
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'unhide' => 1
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),
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array(
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'known',
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'noclasses'
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)
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);
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}
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}
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public function getHTML() {
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$difflink = $this->context->msg( 'parentheses' )
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->rawParams( $this->getDiffLink() )->escaped();
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$revlink = $this->getRevisionLink();
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$userlink = Linker::revUserLink( $this->revision );
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$comment = Linker::revComment( $this->revision );
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if ( $this->isDeleted() ) {
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$revlink = "<span class=\"history-deleted\">$revlink</span>";
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}
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return "<li>$difflink $revlink $userlink $comment</li>";
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}
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}
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