includes/actions/CreditsAction.php

   1 <?php
   2 /**
   3  * Formats credits for articles
   4  *
   5  * Copyright 2004, Evan Prodromou <evan@wikitravel.org>.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * @file
  22  * @ingroup Actions
  23  * @author <evan@wikitravel.org>
  24  */
  25
  26 /**
  27  * @ingroup Actions
  28  */
  29 class CreditsAction extends FormlessAction {
  30
  31         public function getName() {
  32                 return 'credits';
  33         }
  34
  35         protected function getDescription() {
  36                 return $this->msg( 'creditspage' )->escaped();
  37         }
  38
  39         /**
  40          * This is largely cadged from PageHistory::history
  41          *
  42          * @return string HTML
  43          */
  44         public function onView() {
  45
  46                 if ( $this->page->getID() == 0 ) {
  47                         $s = $this->msg( 'nocredits' )->parse();
  48                 } else {
  49                         $s = $this->getCredits( -1 );
  50                 }
  51
  52                 return Html::rawElement( 'div', array( 'id' => 'mw-credits' ), $s );
  53         }
  54
  55         /**
  56          * Get a list of contributors
  57          *
  58          * @param int $cnt Maximum list of contributors to show
  59          * @param bool $showIfMax Whether to contributors if there more than $cnt
  60          * @return string Html
  61          */
  62         public function getCredits( $cnt, $showIfMax = true ) {
  63                 $s = '';
  64
  65                 if ( $cnt != 0 ) {
  66                         $s = $this->getAuthor( $this->page );
  67                         if ( $cnt > 1 || $cnt < 0 ) {
  68                                 $s .= ' ' . $this->getContributors( $cnt - 1, $showIfMax );
  69                         }
  70                 }
  71
  72                 return $s;
  73         }
  74
  75         /**
  76          * Get the last author with the last modification time
  77          * @param Page $page
  78          * @return string HTML
  79          */
  80         protected function getAuthor( Page $page ) {
  81                 $user = User::newFromName( $page->getUserText(), false );
  82
  83                 $timestamp = $page->getTimestamp();
  84                 if ( $timestamp ) {
  85                         $lang = $this->getLanguage();
  86                         $d = $lang->date( $page->getTimestamp(), true );
  87                         $t = $lang->time( $page->getTimestamp(), true );
  88                 } else {
  89                         $d = '';
  90                         $t = '';
  91                 }
  92
  93                 return $this->msg( 'lastmodifiedatby', $d, $t )->rawParams(
  94                         $this->userLink( $user ) )->params( $user->getName() )->escaped();
  95         }
  96
  97         /**
  98          * Whether we can display the user's real name (not a hidden pref)
  99          *
 100          * @since 1.24
 101          * @return bool
 102          */
 103         protected function canShowRealUserName() {
 104                 $hiddenPrefs = $this->context->getConfig()->get( 'HiddenPrefs' );
 105                 return !in_array( 'realname', $hiddenPrefs );
 106         }
 107
 108         /**
 109          * Get a list of contributors of $article
 110          * @param int $cnt Maximum list of contributors to show
 111          * @param bool $showIfMax Whether to contributors if there more than $cnt
 112          * @return string Html
 113          */
 114         protected function getContributors( $cnt, $showIfMax ) {
 115                 $contributors = $this->page->getContributors();
 116
 117                 $others_link = false;
 118
 119                 # Hmm... too many to fit!
 120                 if ( $cnt > 0 && $contributors->count() > $cnt ) {
 121                         $others_link = $this->othersLink();
 122                         if ( !$showIfMax ) {
 123                                 return $this->msg( 'othercontribs' )->rawParams(
 124                                         $others_link )->params( $contributors->count() )->escaped();
 125                         }
 126                 }
 127
 128                 $real_names = array();
 129                 $user_names = array();
 130                 $anon_ips = array();
 131
 132                 # Sift for real versus user names
 133                 /** @var $user User */
 134                 foreach ( $contributors as $user ) {
 135                         $cnt--;
 136                         if ( $user->isLoggedIn() ) {
 137                                 $link = $this->link( $user );
 138                                 if ( $this->canShowRealUserName() && $user->getRealName() ) {
 139                                         $real_names[] = $link;
 140                                 } else {
 141                                         $user_names[] = $link;
 142                                 }
 143                         } else {
 144                                 $anon_ips[] = $this->link( $user );
 145                         }
 146
 147                         if ( $cnt == 0 ) {
 148                                 break;
 149                         }
 150                 }
 151
 152                 $lang = $this->getLanguage();
 153
 154                 if ( count( $real_names ) ) {
 155                         $real = $lang->listToText( $real_names );
 156                 } else {
 157                         $real = false;
 158                 }
 159
 160                 # "ThisSite user(s) A, B and C"
 161                 if ( count( $user_names ) ) {
 162                         $user = $this->msg( 'siteusers' )->rawParams( $lang->listToText( $user_names ) )->params(
 163                                 count( $user_names ) )->escaped();
 164                 } else {
 165                         $user = false;
 166                 }
 167
 168                 if ( count( $anon_ips ) ) {
 169                         $anon = $this->msg( 'anonusers' )->rawParams( $lang->listToText( $anon_ips ) )->params(
 170                                 count( $anon_ips ) )->escaped();
 171                 } else {
 172                         $anon = false;
 173                 }
 174
 175                 # This is the big list, all mooshed together. We sift for blank strings
 176                 $fulllist = array();
 177                 foreach ( array( $real, $user, $anon, $others_link ) as $s ) {
 178                         if ( $s !== false ) {
 179                                 array_push( $fulllist, $s );
 180                         }
 181                 }
 182
 183                 $count = count( $fulllist );
 184
 185                 # "Based on work by ..."
 186                 return $count
 187                         ? $this->msg( 'othercontribs' )->rawParams(
 188                                 $lang->listToText( $fulllist ) )->params( $count )->escaped()
 189                         : '';
 190         }
 191
 192         /**
 193          * Get a link to $user's user page
 194          * @param User $user
 195          * @return string Html
 196          */
 197         protected function link( User $user ) {
 198                 if ( $this->canShowRealUserName() && !$user->isAnon() ) {
 199                         $real = $user->getRealName();
 200                 } else {
 201                         $real = false;
 202                 }
 203
 204                 $page = $user->isAnon()
 205                         ? SpecialPage::getTitleFor( 'Contributions', $user->getName() )
 206                         : $user->getUserPage();
 207
 208                 return Linker::link( $page, htmlspecialchars( $real ? $real : $user->getName() ) );
 209         }
 210
 211         /**
 212          * Get a link to $user's user page
 213          * @param User $user
 214          * @return string Html
 215          */
 216         protected function userLink( User $user ) {
 217                 $link = $this->link( $user );
 218                 if ( $user->isAnon() ) {
 219                         return $this->msg( 'anonuser' )->rawParams( $link )->parse();
 220                 } else {
 221                         if ( $this->canShowRealUserName() && $user->getRealName() ) {
 222                                 return $link;
 223                         } else {
 224                                 return $this->msg( 'siteuser' )->rawParams( $link )->params( $user->getName() )->escaped();
 225                         }
 226                 }
 227         }
 228
 229         /**
 230          * Get a link to action=credits of $article page
 231          * @return string HTML link
 232          */
 233         protected function othersLink() {
 234                 return Linker::linkKnown(
 235                         $this->getTitle(),
 236                         $this->msg( 'others' )->escaped(),
 237                         array(),
 238                         array( 'action' => 'credits' )
 239                 );
 240         }
 241 }