maintenance/userOptions.inc

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