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 = [ 'list', 'nowarn', 'quiet', 'usage', 'dry' ];
  26 $optionsWithArgs = [ '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         /**
  44          * Constructor. Will show usage and exit if script options are not correct
  45          * @param array $opts
  46          * @param array $args
  47          */
  48         function __construct( $opts, $args ) {
  49                 if ( !$this->checkOpts( $opts, $args ) ) {
  50                         self::showUsageAndExit();
  51                 } else {
  52                         $this->mReady = $this->initializeOpts( $opts, $args );
  53                 }
  54         }
  55
  56         /**
  57          * This is used to check options. Only needed on construction
  58          *
  59          * @param array $opts
  60          * @param array $args
  61          *
  62          * @return bool
  63          */
  64         private function checkOpts( $opts, $args ) {
  65                 // The three possible ways to run the script:
  66                 $list = isset( $opts['list'] );
  67                 $usage = isset( $opts['usage'] ) && ( count( $args ) <= 1 );
  68                 $change = isset( $opts['old'] ) && isset( $opts['new'] ) && ( count( $args ) <= 1 );
  69
  70                 // We want only one of them
  71                 $isValid = ( ( $list + $usage + $change ) == 1 );
  72
  73                 return $isValid;
  74         }
  75
  76         /**
  77          * load script options in the object
  78          *
  79          * @param array $opts
  80          * @param array $args
  81          *
  82          * @return bool
  83          */
  84         private function initializeOpts( $opts, $args ) {
  85                 $this->mQuick = isset( $opts['nowarn'] );
  86                 $this->mQuiet = isset( $opts['quiet'] );
  87                 $this->mDry = isset( $opts['dry'] );
  88
  89                 // Set object properties, specially 'mMode' used by run()
  90                 if ( isset( $opts['list'] ) ) {
  91                         $this->mMode = 'LISTER';
  92                 } elseif ( isset( $opts['usage'] ) ) {
  93                         $this->mMode = 'USAGER';
  94                         $this->mAnOption = isset( $args[0] ) ? $args[0] : false;
  95                 } elseif ( isset( $opts['old'] ) && isset( $opts['new'] ) ) {
  96                         $this->mMode = 'CHANGER';
  97                         $this->mOldValue = $opts['old'];
  98                         $this->mNewValue = $opts['new'];
  99                         $this->mAnOption = $args[0];
 100                 } else {
 101                         die( "There is a bug in the software, this should never happen\n" );
 102                 }
 103
 104                 return true;
 105         }
 106
 107         /**
 108          * Dumb stuff to run a mode.
 109          * @return bool
 110          */
 111         public function run() {
 112                 if ( !$this->mReady ) {
 113                         return false;
 114                 }
 115
 116                 $this->{$this->mMode}();
 117
 118                 return true;
 119         }
 120
 121         /**
 122          * List default options and their value
 123          */
 124         private function LISTER() {
 125                 $def = User::getDefaultOptions();
 126                 ksort( $def );
 127                 $maxOpt = 0;
 128                 foreach ( $def as $opt => $value ) {
 129                         $maxOpt = max( $maxOpt, strlen( $opt ) );
 130                 }
 131                 foreach ( $def as $opt => $value ) {
 132                         printf( "%-{$maxOpt}s: %s\n", $opt, $value );
 133                 }
 134         }
 135
 136         /**
 137          * List options usage
 138          */
 139         private function USAGER() {
 140                 $ret = [];
 141                 $defaultOptions = User::getDefaultOptions();
 142
 143                 // We list user by user_id from one of the replica DBs
 144                 $dbr = wfGetDB( DB_REPLICA );
 145                 $result = $dbr->select( 'user',
 146                         [ 'user_id' ],
 147                         [],
 148                         __METHOD__
 149                 );
 150
 151                 foreach ( $result as $id ) {
 152                         $user = User::newFromId( $id->user_id );
 153
 154                         // Get the options and update stats
 155                         if ( $this->mAnOption ) {
 156                                 if ( !array_key_exists( $this->mAnOption, $defaultOptions ) ) {
 157                                         print "Invalid user option. Use --list to see valid choices\n";
 158                                         exit;
 159                                 }
 160
 161                                 $userValue = $user->getOption( $this->mAnOption );
 162                                 if ( $userValue <> $defaultOptions[$this->mAnOption] ) {
 163                                         // @codingStandardsIgnoreStart Ignore silencing errors is discouraged warning
 164                                         @$ret[$this->mAnOption][$userValue]++;
 165                                         // @codingStandardsIgnoreEnd
 166                                 }
 167                         } else {
 168
 169                                 foreach ( $defaultOptions as $name => $defaultValue ) {
 170                                         $userValue = $user->getOption( $name );
 171                                         if ( $userValue <> $defaultValue ) {
 172                                                 // @codingStandardsIgnoreStart Ignore silencing errors is discouraged warning
 173                                                 @$ret[$name][$userValue]++;
 174                                                 // @codingStandardsIgnoreEnd
 175                                         }
 176                                 }
 177                         }
 178                 }
 179
 180                 foreach ( $ret as $optionName => $usageStats ) {
 181                         print "Usage for <$optionName> (default: '{$defaultOptions[$optionName]}'):\n";
 182                         foreach ( $usageStats as $value => $count ) {
 183                                 print " $count user(s): '$value'\n";
 184                         }
 185                         print "\n";
 186                 }
 187         }
 188
 189         /**
 190          * Change our users options
 191          */
 192         private function CHANGER() {
 193                 $this->warn();
 194
 195                 // We list user by user_id from one of the replica DBs
 196                 $dbr = wfGetDB( DB_REPLICA );
 197                 $result = $dbr->select( 'user',
 198                         [ 'user_id' ],
 199                         [],
 200                         __METHOD__
 201                 );
 202
 203                 foreach ( $result as $id ) {
 204                         $user = User::newFromId( $id->user_id );
 205
 206                         $curValue = $user->getOption( $this->mAnOption );
 207                         $username = $user->getName();
 208
 209                         if ( $curValue == $this->mOldValue ) {
 210                                 if ( !$this->mQuiet ) {
 211                                         print "Setting {$this->mAnOption} for $username from '{$this->mOldValue}' " .
 212                                                 "to '{$this->mNewValue}'): ";
 213                                 }
 214
 215                                 // Change value
 216                                 $user->setOption( $this->mAnOption, $this->mNewValue );
 217
 218                                 // Will not save the settings if run with --dry
 219                                 if ( !$this->mDry ) {
 220                                         $user->saveSettings();
 221                                 }
 222                                 if ( !$this->mQuiet ) {
 223                                         print " OK\n";
 224                                 }
 225                         } elseif ( !$this->mQuiet ) {
 226                                 print "Not changing '$username' using <{$this->mAnOption}> = '$curValue'\n";
 227                         }
 228                 }
 229         }
 230
 231         /**
 232          * Return an array of option names
 233          * @return array
 234          */
 235         public static function getDefaultOptionsNames() {
 236                 $def = User::getDefaultOptions();
 237                 $ret = [];
 238                 foreach ( $def as $optname => $defaultValue ) {
 239                         array_push( $ret, $optname );
 240                 }
 241
 242                 return $ret;
 243         }
 244
 245         public static function showUsageAndExit() {
 246                 print <<<USAGE
 247
 248 This script pass through all users and change one of their options.
 249 The new option is NOT validated.
 250
 251 Usage:
 252         php userOptions.php --list
 253         php userOptions.php [user option] --usage
 254         php userOptions.php [options] <user option> --old <old value> --new <new value>
 255
 256 Switchs:
 257         --list : list available user options and their default value
 258
 259         --usage : report all options statistics or just one if you specify it.
 260
 261         --old <old value> : the value to look for
 262         --new <new value> : new value to update users with
 263
 264 Options:
 265         --nowarn: hides the 5 seconds warning
 266         --quiet : do not print what is happening
 267         --dry   : do not save user settings back to database
 268
 269 USAGE;
 270                 exit( 0 );
 271         }
 272
 273         /**
 274          * The warning message and countdown
 275          * @return bool
 276          */
 277         public function warn() {
 278                 if ( $this->mQuick ) {
 279                         return true;
 280                 }
 281
 282                 print <<<WARN
 283 The script is about to change the skin for ALL USERS in the database.
 284 Users with option <$this->mAnOption> = '$this->mOldValue' will be made to use '$this->mNewValue'.
 285
 286 Abort with control-c in the next five seconds....
 287 WARN;
 288                 wfCountDown( 5 );
 289
 290                 return true;
 291         }
 292 }