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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments\Maintenance; |
| 4 | |
| 5 | use FormatJson; |
| 6 | use GrowthExperiments\Config\WikiPageConfigWriter; |
| 7 | use GrowthExperiments\Config\WikiPageConfigWriterFactory; |
| 8 | use GrowthExperiments\GrowthExperimentsServices; |
| 9 | use InvalidArgumentException; |
| 10 | use Maintenance; |
| 11 | use MediaWiki\MediaWikiServices; |
| 12 | use MediaWiki\Status\Status; |
| 13 | use MediaWiki\Title\TitleFactory; |
| 14 | use MediaWiki\User\User; |
| 15 | |
| 16 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 17 | if ( $IP === false ) { |
| 18 | $IP = __DIR__ . '/../../..'; |
| 19 | } |
| 20 | require_once "$IP/maintenance/Maintenance.php"; |
| 21 | |
| 22 | class ChangeWikiConfig extends Maintenance { |
| 23 | /** @var TitleFactory */ |
| 24 | private $titleFactory; |
| 25 | |
| 26 | /** @var WikiPageConfigWriterFactory */ |
| 27 | private $wikiPageConfigWriterFactory; |
| 28 | |
| 29 | public function __construct() { |
| 30 | parent::__construct(); |
| 31 | $this->requireExtension( 'GrowthExperiments' ); |
| 32 | $this->addDescription( 'Update a config key in on-wiki config' ); |
| 33 | |
| 34 | $this->addOption( |
| 35 | 'json', |
| 36 | 'If true, input value will be treated as JSON, not as string' |
| 37 | ); |
| 38 | $this->addOption( |
| 39 | 'page', |
| 40 | 'Page that will be changed (defaults to GEWikiConfigPageTitle)', |
| 41 | false, |
| 42 | true |
| 43 | ); |
| 44 | $this->addOption( |
| 45 | 'summary', |
| 46 | 'Edit summary to use', |
| 47 | false, |
| 48 | true |
| 49 | ); |
| 50 | $this->addOption( |
| 51 | 'touch', |
| 52 | 'Make a null edit to the page (useful to reflect config serialization changes); ' |
| 53 | . 'not supported for all config pages' |
| 54 | ); |
| 55 | |
| 56 | $this->addArg( |
| 57 | 'key', |
| 58 | 'Config key that is updated (use . to separate keys in a multidimensional array)', |
| 59 | false |
| 60 | ); |
| 61 | $this->addArg( |
| 62 | 'value', |
| 63 | 'New value of the config key', |
| 64 | false |
| 65 | ); |
| 66 | $this->addOption( |
| 67 | 'create-only', |
| 68 | 'Create the field if it doesn\'t exist but do not overwrite it if it does' |
| 69 | ); |
| 70 | } |
| 71 | |
| 72 | private function initServices() { |
| 73 | $services = MediaWikiServices::getInstance(); |
| 74 | |
| 75 | $this->wikiPageConfigWriterFactory = GrowthExperimentsServices::wrap( $services ) |
| 76 | ->getWikiPageConfigWriterFactory(); |
| 77 | $this->titleFactory = $services->getTitleFactory(); |
| 78 | } |
| 79 | |
| 80 | private function initConfigWriter(): WikiPageConfigWriter { |
| 81 | $rawConfigPage = $this->getOption( |
| 82 | 'page', |
| 83 | $this->getConfig()->get( 'GEWikiConfigPageTitle' ) |
| 84 | ); |
| 85 | $configPage = $this->titleFactory->newFromText( $rawConfigPage ); |
| 86 | if ( $configPage === null ) { |
| 87 | $this->fatalError( "$rawConfigPage is not a valid title." ); |
| 88 | } |
| 89 | |
| 90 | try { |
| 91 | '@phan-var \MediaWiki\Linker\LinkTarget $configPage'; |
| 92 | return $this->wikiPageConfigWriterFactory->newWikiPageConfigWriter( |
| 93 | $configPage |
| 94 | ); |
| 95 | } catch ( InvalidArgumentException $e ) { |
| 96 | $this->fatalError( "$rawConfigPage is not a supported config page" ); |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * @inheritDoc |
| 102 | */ |
| 103 | public function execute() { |
| 104 | $this->initServices(); |
| 105 | |
| 106 | $touch = $this->hasOption( 'touch' ); |
| 107 | $key = $this->getArg( 0 ); |
| 108 | $value = $this->getArg( 1 ); |
| 109 | |
| 110 | if ( !$touch && ( $key === null || $value === null ) ) { |
| 111 | $this->fatalError( 'Key and value are required when --touch is not used.' ); |
| 112 | } |
| 113 | |
| 114 | if ( !$touch ) { |
| 115 | $this->saveChange( $key, $value ); |
| 116 | } else { |
| 117 | $this->touchConfigPage(); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Make a change to the config page |
| 123 | * |
| 124 | * @param mixed $key |
| 125 | * @param mixed $value |
| 126 | * @return void |
| 127 | */ |
| 128 | private function saveChange( $key, $value ) { |
| 129 | $configWriter = $this->initConfigWriter(); |
| 130 | |
| 131 | if ( strpos( $key, '.' ) !== false ) { |
| 132 | $key = explode( '.', $key ); |
| 133 | } |
| 134 | |
| 135 | if ( $this->hasOption( 'json' ) ) { |
| 136 | $status = FormatJson::parse( $value, FormatJson::FORCE_ASSOC ); |
| 137 | if ( !$status->isGood() ) { |
| 138 | $this->fatalError( |
| 139 | "Unable to decode JSON to use with $key: $value. Error from FormatJson::parse: " . |
| 140 | $status->getWikiText( false, false, 'en' ) |
| 141 | ); |
| 142 | } |
| 143 | $value = $status->getValue(); |
| 144 | } |
| 145 | try { |
| 146 | if ( $this->hasOption( 'create-only' ) |
| 147 | && $configWriter->variableExists( $key ) |
| 148 | ) { |
| 149 | return; |
| 150 | } |
| 151 | $configWriter->setVariable( $key, $value ); |
| 152 | } catch ( InvalidArgumentException $e ) { |
| 153 | $this->fatalError( $e->getMessage() ); |
| 154 | } |
| 155 | |
| 156 | $status = $configWriter->save( $this->getOption( 'summary', '' ) ); |
| 157 | if ( !$status->isOK() ) { |
| 158 | $this->fatalError( $status->getWikiText() ); |
| 159 | } |
| 160 | |
| 161 | $this->output( "Saved!\n" ); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * @param string $rawPageA Raw page title |
| 166 | * @param string $rawPageB Raw page title |
| 167 | * @return bool |
| 168 | */ |
| 169 | private function rawPageTitleEquals( string $rawPageA, string $rawPageB ): bool { |
| 170 | $pageA = $this->titleFactory->newFromText( $rawPageA ); |
| 171 | $pageB = $this->titleFactory->newFromText( $rawPageB ); |
| 172 | if ( $pageA === null || $pageB === null ) { |
| 173 | return false; |
| 174 | } |
| 175 | return $pageA->equals( $pageB ); |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * If supported, make a no-op change |
| 180 | */ |
| 181 | private function touchConfigPage() { |
| 182 | $rawConfigPage = $this->getOption( |
| 183 | 'page', |
| 184 | $this->getConfig()->get( 'GEWikiConfigPageTitle' ) |
| 185 | ); |
| 186 | |
| 187 | if ( $this->rawPageTitleEquals( $rawConfigPage, $this->getConfig()->get( 'GEStructuredMentorList' ) ) ) { |
| 188 | $statusValue = GrowthExperimentsServices::wrap( $this->getServiceContainer() ) |
| 189 | ->getMentorWriter() |
| 190 | ->touchList( |
| 191 | User::newSystemUser( 'Maintenance script', [ 'steal' => true ] ), |
| 192 | $this->getOption( 'summary', '' ) |
| 193 | ); |
| 194 | if ( !$statusValue->isOK() ) { |
| 195 | $this->fatalError( Status::wrap( $statusValue )->getWikiText() ); |
| 196 | } |
| 197 | $this->output( "Saved!\n" ); |
| 198 | } else { |
| 199 | $this->fatalError( '--touch is not supported for ' . $rawConfigPage ); |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | $maintClass = ChangeWikiConfig::class; |
| 205 | require_once RUN_MAINTENANCE_IF_MAIN; |