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
  53                 return Html::rawElement( 'div', array( 'id' => 'mw-credits' ), $s );
  54         }
  55
  56         /**
  57          * Get a list of contributors
  58          *
  59          * @param int $cnt Maximum list of contributors to show
  60          * @param bool $showIfMax Whether to contributors if there more than $cnt
  61          * @return string Html
  62          */
  63         public function getCredits( $cnt, $showIfMax = true ) {
  64                 $s = '';
  65
  66                 if ( $cnt != 0 ) {
  67                         $s = $this->getAuthor( $this->page );
  68                         if ( $cnt > 1 || $cnt < 0 ) {
  69                                 $s .= ' ' . $this->getContributors( $cnt - 1, $showIfMax );
  70                         }
  71                 }
  72
  73
  74                 return $s;
  75         }
  76
  77         /**
  78          * Get the last author with the last modification time
  79          * @param Page $page
  80          * @return string HTML
  81          */
  82         protected function getAuthor( Page $page ) {
  83                 $user = User::newFromName( $page->getUserText(), false );
  84
  85                 $timestamp = $page->getTimestamp();
  86                 if ( $timestamp ) {
  87                         $lang = $this->getLanguage();
  88                         $d = $lang->date( $page->getTimestamp(), true );
  89                         $t = $lang->time( $page->getTimestamp(), true );
  90                 } else {
  91                         $d = '';
  92                         $t = '';
  93                 }
  94
  95                 return $this->msg( 'lastmodifiedatby', $d, $t )->rawParams(
  96                         $this->userLink( $user ) )->params( $user->getName() )->escaped();
  97         }
  98
  99         /**
 100          * Whether we can display the user's real name (not a hidden pref)
 101          *
 102          * @since 1.24
 103          * @return bool
 104          */
 105         protected function canShowRealUserName() {
 106                 $hiddenPrefs = $this->context->getConfig()->get( 'HiddenPrefs' );
 107                 return !in_array( 'realname', $hiddenPrefs );
 108         }
 109
 110         /**
 111          * Get a list of contributors of $article
 112          * @param int $cnt Maximum list of contributors to show
 113          * @param bool $showIfMax Whether to contributors if there more than $cnt
 114          * @return string Html
 115          */
 116         protected function getContributors( $cnt, $showIfMax ) {
 117                 $contributors = $this->page->getContributors();
 118
 119                 $others_link = false;
 120
 121                 # Hmm... too many to fit!
 122                 if ( $cnt > 0 && $contributors->count() > $cnt ) {
 123                         $others_link = $this->othersLink();
 124                         if ( !$showIfMax ) {
 125                                 return $this->msg( 'othercontribs' )->rawParams(
 126                                         $others_link )->params( $contributors->count() )->escaped();
 127                         }
 128                 }
 129
 130                 $real_names = array();
 131                 $user_names = array();
 132                 $anon_ips = array();
 133
 134                 # Sift for real versus user names
 135                 /** @var $user User */
 136                 foreach ( $contributors as $user ) {
 137                         $cnt--;
 138                         if ( $user->isLoggedIn() ) {
 139                                 $link = $this->link( $user );
 140                                 if ( $this->canShowRealUserName() && $user->getRealName() ) {
 141                                         $real_names[] = $link;
 142                                 } else {
 143                                         $user_names[] = $link;
 144                                 }
 145                         } else {
 146                                 $anon_ips[] = $this->link( $user );
 147                         }
 148
 149                         if ( $cnt == 0 ) {
 150                                 break;
 151                         }
 152                 }
 153
 154                 $lang = $this->getLanguage();
 155
 156                 if ( count( $real_names ) ) {
 157                         $real = $lang->listToText( $real_names );
 158                 } else {
 159                         $real = false;
 160                 }
 161
 162                 # "ThisSite user(s) A, B and C"
 163                 if ( count( $user_names ) ) {
 164                         $user = $this->msg( 'siteusers' )->rawParams( $lang->listToText( $user_names ) )->params(
 165                                 count( $user_names ) )->escaped();
 166                 } else {
 167                         $user = false;
 168                 }
 169
 170                 if ( count( $anon_ips ) ) {
 171                         $anon = $this->msg( 'anonusers' )->rawParams( $lang->listToText( $anon_ips ) )->params(
 172                                 count( $anon_ips ) )->escaped();
 173                 } else {
 174                         $anon = false;
 175                 }
 176
 177                 # This is the big list, all mooshed together. We sift for blank strings
 178                 $fulllist = array();
 179                 foreach ( array( $real, $user, $anon, $others_link ) as $s ) {
 180                         if ( $s !== false ) {
 181                                 array_push( $fulllist, $s );
 182                         }
 183                 }
 184
 185                 $count = count( $fulllist );
 186
 187                 # "Based on work by ..."
 188                 return $count
 189                         ? $this->msg( 'othercontribs' )->rawParams(
 190                                 $lang->listToText( $fulllist ) )->params( $count )->escaped()
 191                         : '';
 192         }
 193
 194         /**
 195          * Get a link to $user's user page
 196          * @param User $user
 197          * @return string Html
 198          */
 199         protected function link( User $user ) {
 200                 if ( $this->canShowRealUserName() && !$user->isAnon() ) {
 201                         $real = $user->getRealName();
 202                 } else {
 203                         $real = false;
 204                 }
 205
 206                 $page = $user->isAnon()
 207                         ? SpecialPage::getTitleFor( 'Contributions', $user->getName() )
 208                         : $user->getUserPage();
 209
 210                 return Linker::link( $page, htmlspecialchars( $real ? $real : $user->getName() ) );
 211         }
 212
 213         /**
 214          * Get a link to $user's user page
 215          * @param User $user
 216          * @return string Html
 217          */
 218         protected function userLink( User $user ) {
 219                 $link = $this->link( $user );
 220                 if ( $user->isAnon() ) {
 221                         return $this->msg( 'anonuser' )->rawParams( $link )->parse();
 222                 } else {
 223                         if ( $this->canShowRealUserName() && $user->getRealName() ) {
 224                                 return $link;
 225                         } else {
 226                                 return $this->msg( 'siteuser' )->rawParams( $link )->params( $user->getName() )->escaped();
 227                         }
 228                 }
 229         }
 230
 231         /**
 232          * Get a link to action=credits of $article page
 233          * @return string HTML link
 234          */
 235         protected function othersLink() {
 236                 return Linker::linkKnown(
 237                         $this->getTitle(),
 238                         $this->msg( 'others' )->escaped(),
 239                         array(),
 240                         array( 'action' => 'credits' )
 241                 );
 242         }
 243 }