maintenance/userOptions.inc

   1 <?php
   2 /**
   3  * Helper class for userOptions.php script.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Maintenance
  22  */
  23
  24 // Options we will use
  25 $options = array( 'list', 'nowarn', 'quiet', 'usage', 'dry' );
  26 $optionsWithArgs = array( 'old', 'new' );
  27
  28 require_once __DIR__ . '/commandLine.inc';
  29
  30 /**
  31  * @ingroup Maintenance
  32  */
  33 class UserOptions {
  34         public $mQuick;
  35         public $mQuiet;
  36         public $mDry;
  37         public $mAnOption;
  38         public $mOldValue;
  39         public $mNewValue;
  40
  41         private $mMode, $mReady;
  42
  43         /** Constructor. Will show usage and exit if script options are not correct */
  44         function __construct( $opts, $args ) {
  45                 if ( !$this->checkOpts( $opts, $args ) ) {
  46                         UserOptions::showUsageAndExit();
  47                 } else {
  48                         $this->mReady = $this->initializeOpts( $opts, $args );
  49                 }
  50         }
  51
  52         /**
  53          * This is used to check options. Only needed on construction
  54          *
  55          * @param array $opts
  56          * @param array $args
  57          *
  58          * @return bool
  59          */
  60         private function checkOpts( $opts, $args ) {
  61                 // The three possible ways to run the script:
  62                 $list = isset( $opts['list'] );
  63                 $usage = isset( $opts['usage'] ) && ( count( $args ) <= 1 );
  64                 $change = isset( $opts['old'] ) && isset( $opts['new'] ) && ( count( $args ) <= 1 );
  65
  66                 // We want only one of them
  67                 $isValid = ( ( $list + $usage + $change ) == 1 );
  68
  69                 return $isValid;
  70         }
  71
  72         /**
  73          * load script options in the object
  74          *
  75          * @param array $opts
  76          * @param array $args
  77          *
  78          * @return bool
  79          */
  80         private function initializeOpts( $opts, $args ) {
  81
  82                 $this->mQuick = isset( $opts['nowarn'] );
  83                 $this->mQuiet = isset( $opts['quiet'] );
  84                 $this->mDry = isset( $opts['dry'] );
  85
  86                 // Set object properties, specially 'mMode' used by run()
  87                 if ( isset( $opts['list'] ) ) {
  88                         $this->mMode = 'LISTER';
  89                 } elseif ( isset( $opts['usage'] ) ) {
  90                         $this->mMode = 'USAGER';
  91                         $this->mAnOption = isset( $args[0] ) ? $args[0] : false;
  92                 } elseif ( isset( $opts['old'] ) && isset( $opts['new'] ) ) {
  93                         $this->mMode = 'CHANGER';
  94                         $this->mOldValue = $opts['old'];
  95                         $this->mNewValue = $opts['new'];
  96                         $this->mAnOption = $args[0];
  97                 } else {
  98                         die( "There is a bug in the software, this should never happen\n" );
  99                 }
 100
 101                 return true;
 102         }
 103
 104         // Dumb stuff to run a mode.
 105         public function run() {
 106                 if ( !$this->mReady ) {
 107                         return false;
 108                 }
 109
 110                 $this->{ $this->mMode } ();
 111                 return true;
 112         }
 113
 114         #
 115         # Modes.
 116         #
 117
 118         /** List default options and their value */
 119         private function LISTER() {
 120                 $def = User::getDefaultOptions();
 121                 ksort( $def );
 122                 $maxOpt = 0;
 123                 foreach ( $def as $opt => $value ) {
 124                         $maxOpt = max( $maxOpt, strlen( $opt ) );
 125                 }
 126                 foreach ( $def as $opt => $value ) {
 127                         printf( "%-{$maxOpt}s: %s\n", $opt, $value );
 128                 }
 129         }
 130
 131         /** List options usage */
 132         private function USAGER() {
 133                 $ret = array();
 134                 $defaultOptions = User::getDefaultOptions();
 135
 136                 // We list user by user_id from one of the slave database
 137                 $dbr = wfGetDB( DB_SLAVE );
 138                 $result = $dbr->select( 'user',
 139                         array( 'user_id' ),
 140                         array(),
 141                         __METHOD__
 142                         );
 143
 144                 foreach ( $result as $id ) {
 145
 146                         $user = User::newFromId( $id->user_id );
 147
 148                         // Get the options and update stats
 149                         if ( $this->mAnOption ) {
 150
 151                                 if ( !array_key_exists( $this->mAnOption, $defaultOptions ) ) {
 152                                         print "Invalid user option. Use --list to see valid choices\n";
 153                                         exit;
 154                                 }
 155
 156                                 $userValue = $user->getOption( $this->mAnOption );
 157                                 if ( $userValue <> $defaultOptions[$this->mAnOption] ) {
 158                                         @$ret[$this->mAnOption][$userValue]++;
 159                                 }
 160
 161                         } else {
 162
 163                                 foreach ( $defaultOptions as $name => $defaultValue ) {
 164                                         $userValue = $user->getOption( $name );
 165                                         if ( $userValue <> $defaultValue ) {
 166                                                 @$ret[$name][$userValue]++;
 167                                         }
 168                                 }
 169                         }
 170                 }
 171
 172                 foreach ( $ret as $optionName => $usageStats ) {
 173                         print "Usage for <$optionName> (default: '{$defaultOptions[$optionName]}'):\n";
 174                         foreach ( $usageStats as $value => $count ) {
 175                                 print " $count user(s): '$value'\n";
 176                         }
 177                         print "\n";
 178                 }
 179         }
 180
 181         /** Change our users options */
 182         private function CHANGER() {
 183                 $this->warn();
 184
 185                 // We list user by user_id from one of the slave database
 186                 $dbr = wfGetDB( DB_SLAVE );
 187                 $result = $dbr->select( 'user',
 188                         array( 'user_id' ),
 189                         array(),
 190                         __METHOD__
 191                         );
 192
 193                 foreach ( $result as $id ) {
 194
 195                         $user = User::newFromId( $id->user_id );
 196
 197                         $curValue = $user->getOption( $this->mAnOption );
 198                         $username = $user->getName();
 199
 200                         if ( $curValue == $this->mOldValue ) {
 201
 202                                 if ( !$this->mQuiet ) {
 203                                         print "Setting {$this->mAnOption} for $username from '{$this->mOldValue}' to '{$this->mNewValue}'): ";
 204                                 }
 205
 206                                 // Change value
 207                                 $user->setOption( $this->mAnOption, $this->mNewValue );
 208
 209                                 // Will not save the settings if run with --dry
 210                                 if ( !$this->mDry ) {
 211                                         $user->saveSettings();
 212                                 }
 213                                 if ( !$this->mQuiet ) {
 214                                         print " OK\n";
 215                                 }
 216
 217                         } elseif ( !$this->mQuiet ) {
 218                                 print "Not changing '$username' using <{$this->mAnOption}> = '$curValue'\n";
 219                         }
 220                 }
 221         }
 222
 223         /**
 224          * Return an array of option names
 225          * @return array
 226          */
 227         public static function getDefaultOptionsNames() {
 228                 $def = User::getDefaultOptions();
 229                 $ret = array();
 230                 foreach ( $def as $optname => $defaultValue ) {
 231                         array_push( $ret, $optname );
 232                 }
 233                 return $ret;
 234         }
 235
 236         #
 237         # Helper methods
 238         #
 239
 240         public static function showUsageAndExit() {
 241 print <<<USAGE
 242
 243 This script pass through all users and change one of their options.
 244 The new option is NOT validated.
 245
 246 Usage:
 247         php userOptions.php --list
 248         php userOptions.php [user option] --usage
 249         php userOptions.php [options] <user option> --old <old value> --new <new value>
 250
 251 Switchs:
 252         --list : list available user options and their default value
 253
 254         --usage : report all options statistics or just one if you specify it.
 255
 256         --old <old value> : the value to look for
 257         --new <new value> : new value to update users with
 258
 259 Options:
 260         --nowarn: hides the 5 seconds warning
 261         --quiet : do not print what is happening
 262         --dry   : do not save user settings back to database
 263
 264 USAGE;
 265         exit( 0 );
 266         }
 267
 268         /**
 269          * The warning message and countdown
 270          * @return bool
 271          */
 272         public function warn() {
 273
 274                 if ( $this->mQuick ) {
 275                         return true;
 276                 }
 277
 278 print <<<WARN
 279 The script is about to change the skin for ALL USERS in the database.
 280 Users with option <$this->mAnOption> = '$this->mOldValue' will be made to use '$this->mNewValue'.
 281
 282 Abort with control-c in the next five seconds....
 283 WARN;
 284                 wfCountDown( 5 );
 285                 return true;
 286         }
 287
 288 }