maintenance/userOptions.inc

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup Maintenance
   5  */
   6
   7 // Options we will use
   8 $options = array( 'list', 'nowarn', 'quiet', 'usage', 'dry' );
   9 $optionsWithArgs = array( 'old', 'new' );
  10
  11 require_once( dirname( __FILE__ ) . '/commandLine.inc' );
  12
  13 /**
  14  * @ingroup Maintenance
  15  */
  16 class userOptions {
  17         public $mQuick;
  18         public $mQuiet;
  19         public $mDry;
  20         public $mAnOption;
  21         public $mOldValue;
  22         public $mNewValue;
  23
  24         private $mMode, $mReady ;
  25
  26         /** Constructor. Will show usage and exit if script options are not correct */
  27         function __construct( $opts, $args ) {
  28                 if ( !$this->checkOpts( $opts, $args ) ) {
  29                         userOptions::showUsageAndExit();
  30                 } else {
  31                         $this->mReady = $this->initializeOpts( $opts, $args );
  32                 }
  33         }
  34
  35
  36         /** This is used to check options. Only needed on construction */
  37         private function checkOpts( $opts, $args ) {
  38                 // The three possible ways to run the script:
  39                 $list   = isset( $opts['list'] );
  40                 $usage  = isset( $opts['usage'] ) && ( count( $args ) <= 1 );
  41                 $change = isset( $opts['old'] ) && isset( $opts['new'] ) && ( count( $args ) <= 1 ) ;
  42
  43                 // We want only one of them
  44                 $isValid = ( ( $list + $usage + $change ) == 1 );
  45
  46                 return $isValid;
  47         }
  48
  49         /** load script options in the object */
  50         private function initializeOpts( $opts, $args ) {
  51
  52                 $this->mQuick = isset( $opts['nowarn'] );
  53                 $this->mQuiet = isset( $opts['quiet'] );
  54                 $this->mDry   = isset( $opts['dry'] );
  55
  56                 // Set object properties, specially 'mMode' used by run()
  57                 if ( isset( $opts['list'] ) ) {
  58                         $this->mMode = 'LISTER' ;
  59                 } elseif ( isset( $opts['usage'] ) ) {
  60                         $this->mMode = 'USAGER' ;
  61                         $this->mAnOption = isset( $args[0] ) ? $args[0] : false ;
  62                 } elseif ( isset( $opts['old'] ) && isset( $opts['new'] ) ) {
  63                         $this->mMode = 'CHANGER' ;
  64                         $this->mOldValue = $opts['old'] ;
  65                         $this->mNewValue = $opts['new'] ;
  66                         $this->mAnOption = $args[0];
  67                 } else {
  68                         die( "There is a bug in the software, this should never happen\n" );
  69                 }
  70
  71                 return true;
  72         }
  73
  74         // Dumb stuff to run a mode.
  75         public function run() {
  76                 if ( !$this->mReady ) {
  77                         return false;
  78                 }
  79
  80                 $this-> { $this->mMode } ( );
  81
  82         }
  83
  84         #
  85         # Modes.
  86         #
  87
  88         /** List default options and their value */
  89         private function LISTER( ) {
  90                 $def = User::getDefaultOptions();
  91                 ksort( $def );
  92                 $maxOpt = 0;
  93                 foreach ( $def as $opt => $value ) {
  94                         $maxOpt = max( $maxOpt, strlen( $opt ) );
  95                 }
  96                 foreach ( $def as $opt => $value ) {
  97                         printf( "%-{$maxOpt}s: %s\n", $opt, $value );
  98                 }
  99         }
 100
 101         /** List options usage */
 102         private function USAGER( ) {
 103                 $ret = array();
 104                 $defaultOptions = User::getDefaultOptions();
 105
 106                 // We list user by user_id from one of the slave database
 107                 $dbr = wfGetDB( DB_SLAVE );
 108                 $result = $dbr->select( 'user',
 109                         array( 'user_id' ),
 110                         array(),
 111                         __METHOD__
 112                         );
 113
 114                 while ( $id = $dbr->fetchObject( $result ) ) {
 115
 116                         $user = User::newFromId( $id->user_id );
 117
 118                         // Get the options and update stats
 119                         if ( $this->mAnOption ) {
 120
 121                                 if ( !array_key_exists( $this->mAnOption, $defaultOptions ) ) {
 122                                         print "Invalid user option. Use --list to see valid choices\n";
 123                                         exit;
 124                                 }
 125
 126                                 $userValue = $user->getOption( $this->mAnOption );
 127                                 if ( $userValue <> $defaultOptions[$this->mAnOption] ) {
 128                                         @$ret[$this->mAnOption][$userValue]++;
 129                                 }
 130
 131                         } else {
 132
 133                                 foreach ( $defaultOptions as $name => $defaultValue ) {
 134                                         $userValue = $user->getOption( $name );
 135                                         if ( $userValue <> $defaultValue ) {
 136                                                 @$ret[$name][$userValue]++;
 137                                         }
 138                                 }
 139                         }
 140                 }
 141
 142                 foreach ( $ret as $optionName => $usageStats ) {
 143                         print "Usage for <$optionName> (default: '{$defaultOptions[$optionName]}'):\n";
 144                         foreach ( $usageStats as $value => $count ) {
 145                                 print " $count user(s): '$value'\n";
 146                         }
 147                         print "\n";
 148                 }
 149         }
 150
 151
 152         /** Change our users options */
 153         private function CHANGER( ) {
 154                 $this->warn();
 155
 156                 // We list user by user_id from one of the slave database
 157                 $dbr = wfGetDB( DB_SLAVE );
 158                 $result = $dbr->select( 'user',
 159                         array( 'user_id' ),
 160                         array(),
 161                         __METHOD__
 162                         );
 163
 164                 while ( $id = $dbr->fetchObject( $result ) ) {
 165
 166                         $user = User::newFromId( $id->user_id );
 167
 168                         $curValue = $user->getOption( $this->mAnOption );
 169                         $username = $user->getName();
 170
 171                         if ( $curValue == $this->mOldValue ) {
 172
 173                                 if ( !$this->mQuiet ) {
 174                                         print "Setting {$this->mAnOption} for $username from '{$this->mOldValue}' to '{$this->mNewValue}'): ";
 175                                 }
 176
 177                                 // Change value
 178                                 $user->setOption( $this->mAnOption, $this->mNewValue );
 179
 180                                 // Will not save the settings if run with --dry
 181                                 if ( !$this->mDry ) {
 182                                         $user->saveSettings();
 183                                 }
 184                                 if ( !$this->mQuiet ) { print " OK\n"; }
 185
 186                         } elseif ( !$this->mQuiet ) {
 187                                 print "Not changing '$username' using <{$this->mAnOption}> = '$curValue'\n";
 188                         }
 189                 }
 190         }
 191
 192
 193         /** Return an array of option names */
 194         public static function getDefaultOptionsNames() {
 195                 $def = User::getDefaultOptions();
 196                 $ret = array();
 197                 foreach ( $def as $optname => $defaultValue ) {
 198                         array_push( $ret, $optname );
 199                 }
 200                 return $ret;
 201         }
 202
 203
 204         #
 205         # Helper methods
 206         #
 207
 208         public static function showUsageAndExit() {
 209 print <<<USAGE
 210
 211 This script pass through all users and change one of their options.
 212 The new option is NOT validated.
 213
 214 Usage:
 215     php userOptions.php --list
 216     php userOptions.php [user option] --usage
 217     php userOptions.php [options] <user option> --old <old value> --new <new value>
 218
 219 Switchs:
 220     --list : list available user options and their default value
 221
 222     --usage : report all options statistics or just one if you specify it.
 223
 224     --old <old value> : the value to look for
 225     --new <new value> : new value to update users with
 226
 227 Options:
 228     --nowarn: hides the 5 seconds warning
 229     --quiet : do not print what is happening
 230     --dry   : do not save user settings back to database
 231
 232 USAGE;
 233     exit( 0 );
 234         }
 235
 236         /** The warning message and countdown */
 237         public function warn() {
 238
 239                 if ( $this->mQuick ) {
 240                         return true;
 241                 }
 242
 243 print <<<WARN
 244 The script is about to change the skin for ALL USERS in the database.
 245 Users with option <$this->mAnOption> = '$this->mOldValue' will be made to use '$this->mNewValue'.
 246
 247 Abort with control-c in the next five seconds....
 248 WARN;
 249                 wfCountDown( 5 );
 250                 return true;
 251         }
 252
 253 }