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| 1 | <?php |
| 2 | |
| 3 | namespace GrowthExperiments; |
| 4 | |
| 5 | use ApiBase; |
| 6 | use GrowthExperiments\HomepageModules\SuggestedEdits; |
| 7 | use GrowthExperiments\NewcomerTasks\ConfigurationLoader\ConfigurationLoader; |
| 8 | use GrowthExperiments\NewcomerTasks\TaskType\StructuredTaskTypeHandler; |
| 9 | use GrowthExperiments\NewcomerTasks\TaskType\TaskType; |
| 10 | use GrowthExperiments\NewcomerTasks\TaskType\TaskTypeHandler; |
| 11 | use GrowthExperiments\NewcomerTasks\TaskType\TaskTypeHandlerRegistry; |
| 12 | use MediaWiki\Api\Hook\APIGetAllowedParamsHook; |
| 13 | use MediaWiki\Extension\VisualEditor\ApiVisualEditorEdit; |
| 14 | use MediaWiki\Extension\VisualEditor\VisualEditorApiVisualEditorEditPostSaveHook; |
| 15 | use MediaWiki\Extension\VisualEditor\VisualEditorApiVisualEditorEditPreSaveHook; |
| 16 | use MediaWiki\Page\ProperPageIdentity; |
| 17 | use MediaWiki\Status\Status; |
| 18 | use MediaWiki\Title\TitleFactory; |
| 19 | use MediaWiki\User\UserIdentity; |
| 20 | use MediaWiki\User\UserIdentityUtils; |
| 21 | use OutOfBoundsException; |
| 22 | use PrefixingStatsdDataFactoryProxy; |
| 23 | use UnexpectedValueException; |
| 24 | |
| 25 | /** |
| 26 | * Hook handlers for hooks defined in VisualEditor. |
| 27 | */ |
| 28 | class VisualEditorHooks implements |
| 29 | APIGetAllowedParamsHook, |
| 30 | VisualEditorApiVisualEditorEditPreSaveHook, |
| 31 | VisualEditorApiVisualEditorEditPostSaveHook |
| 32 | { |
| 33 | |
| 34 | /** Prefix used for the VisualEditor API's plugin parameter. */ |
| 35 | public const PLUGIN_PREFIX = 'ge-task-'; |
| 36 | |
| 37 | /** @var TitleFactory */ |
| 38 | private $titleFactory; |
| 39 | /** @var ConfigurationLoader */ |
| 40 | private $configurationLoader; |
| 41 | /** @var TaskTypeHandlerRegistry */ |
| 42 | private $taskTypeHandlerRegistry; |
| 43 | /** @var PrefixingStatsdDataFactoryProxy */ |
| 44 | private $perDbNameStatsdDataFactory; |
| 45 | /** @var UserIdentityUtils */ |
| 46 | private $userIdentityUtils; |
| 47 | |
| 48 | /** |
| 49 | * @param TitleFactory $titleFactory |
| 50 | * @param ConfigurationLoader $configurationLoader |
| 51 | * @param TaskTypeHandlerRegistry $taskTypeHandlerRegistry |
| 52 | * @param PrefixingStatsdDataFactoryProxy $perDbNameStatsdDataFactory |
| 53 | * @param UserIdentityUtils $userIdentityUtils |
| 54 | */ |
| 55 | public function __construct( |
| 56 | TitleFactory $titleFactory, |
| 57 | ConfigurationLoader $configurationLoader, |
| 58 | TaskTypeHandlerRegistry $taskTypeHandlerRegistry, |
| 59 | PrefixingStatsdDataFactoryProxy $perDbNameStatsdDataFactory, |
| 60 | UserIdentityUtils $userIdentityUtils |
| 61 | ) { |
| 62 | $this->titleFactory = $titleFactory; |
| 63 | $this->configurationLoader = $configurationLoader; |
| 64 | $this->taskTypeHandlerRegistry = $taskTypeHandlerRegistry; |
| 65 | $this->perDbNameStatsdDataFactory = $perDbNameStatsdDataFactory; |
| 66 | $this->userIdentityUtils = $userIdentityUtils; |
| 67 | } |
| 68 | |
| 69 | /** @inheritDoc */ |
| 70 | public function onVisualEditorApiVisualEditorEditPreSave( |
| 71 | ProperPageIdentity $page, |
| 72 | UserIdentity $user, |
| 73 | string $wikitext, |
| 74 | array &$params, |
| 75 | array $pluginData, |
| 76 | array &$apiResponse |
| 77 | ) { |
| 78 | // This is going to run on every edit and not in a deferred update, so at least filter |
| 79 | // by authenticated users to make this slightly faster for anons. |
| 80 | if ( !$this->userIdentityUtils->isNamed( $user ) ) { |
| 81 | return; |
| 82 | } |
| 83 | /** @var ?TaskTypeHandler $taskTypeHandler */ |
| 84 | [ $data, $taskTypeHandler, $taskType ] = $this->getDataFromApiRequest( $pluginData ); |
| 85 | if ( !$data || !$taskType ) { |
| 86 | // Not an edit we are interested in looking at. |
| 87 | return; |
| 88 | } |
| 89 | $title = $this->titleFactory->castFromPageIdentity( $page ); |
| 90 | if ( !$title ) { |
| 91 | // Something weird has happened; let the save attempt go through because |
| 92 | // presumably later an exception will be thrown and that can be dealt |
| 93 | // with by VisualEditor. |
| 94 | return; |
| 95 | } |
| 96 | $status = $taskTypeHandler->getSubmissionHandler()->validate( |
| 97 | $taskType, |
| 98 | $title->toPageIdentity(), |
| 99 | $user, |
| 100 | $params['oldid'], |
| 101 | $data |
| 102 | ); |
| 103 | if ( !$status->isGood() ) { |
| 104 | $message = Status::wrap( $status )->getMessage(); |
| 105 | $apiResponse['message'] = array_merge( [ $message->getKey() ], $message->getParams() ); |
| 106 | Util::logStatus( $status ); |
| 107 | return false; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | /** @inheritDoc */ |
| 112 | public function onVisualEditorApiVisualEditorEditPostSave( |
| 113 | ProperPageIdentity $page, |
| 114 | UserIdentity $user, |
| 115 | string $wikitext, |
| 116 | array $params, |
| 117 | array $pluginData, |
| 118 | array $saveResult, |
| 119 | array &$apiResponse |
| 120 | ): void { |
| 121 | if ( $apiResponse['result'] !== 'success' ) { |
| 122 | return; |
| 123 | } |
| 124 | // This is going to run on every edit and not in a deferred update, so at least filter |
| 125 | // by authenticated users to make this slightly faster for anons. |
| 126 | if ( !$this->userIdentityUtils->isNamed( $user ) ) { |
| 127 | return; |
| 128 | } |
| 129 | /** @var ?TaskTypeHandler $taskTypeHandler */ |
| 130 | /** @var ?TaskType $taskType */ |
| 131 | [ $data, $taskTypeHandler, $taskType ] = $this->getDataFromApiRequest( $pluginData ); |
| 132 | if ( !$data || !$taskType ) { |
| 133 | return; |
| 134 | } |
| 135 | $title = $this->titleFactory->castFromPageIdentity( $page ); |
| 136 | if ( !$title ) { |
| 137 | throw new UnexpectedValueException( 'Unable to get Title from PageIdentity' ); |
| 138 | } |
| 139 | |
| 140 | $newRevId = $saveResult['edit']['newrevid'] ?? null; |
| 141 | |
| 142 | $status = $taskTypeHandler->getSubmissionHandler()->handle( |
| 143 | $taskType, |
| 144 | $title->toPageIdentity(), |
| 145 | $user, |
| 146 | $params['oldid'], |
| 147 | $newRevId, |
| 148 | $data |
| 149 | ); |
| 150 | if ( $status->isGood() ) { |
| 151 | $apiResponse['gelogid'] = $status->getValue()['logId'] ?? null; |
| 152 | $apiResponse['gewarnings'][] = $status->getValue()['warnings'] ?? ''; |
| 153 | if ( $newRevId ) { |
| 154 | $this->perDbNameStatsdDataFactory->increment( |
| 155 | 'GrowthExperiments.NewcomerTask.' . $taskType->getId() . '.Save' |
| 156 | ); |
| 157 | } |
| 158 | } else { |
| 159 | // FIXME expose error formatter to hook so this can be handled better |
| 160 | $errorMessage = Status::wrap( $status )->getWikiText(); |
| 161 | $apiResponse['errors'][] = $errorMessage; |
| 162 | Util::logStatus( $status ); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | /** @inheritDoc */ |
| 167 | public function onAPIGetAllowedParams( $module, &$params, $flags ) { |
| 168 | if ( $module instanceof ApiVisualEditorEdit |
| 169 | && ( $flags & ApiBase::GET_VALUES_FOR_HELP ) |
| 170 | && SuggestedEdits::isEnabled( $module->getContext()->getConfig() ) |
| 171 | ) { |
| 172 | $taskTypes = $this->configurationLoader->getTaskTypes(); |
| 173 | foreach ( $taskTypes as $taskTypeId => $taskType ) { |
| 174 | $taskTypeHandler = $this->taskTypeHandlerRegistry->getByTaskType( $taskType ); |
| 175 | if ( $taskTypeHandler instanceof StructuredTaskTypeHandler ) { |
| 176 | $paramValue = self::PLUGIN_PREFIX . $taskTypeId; |
| 177 | $params['plugins'][ApiBase::PARAM_HELP_MSG_PER_VALUE][$paramValue] = [ |
| 178 | "apihelp-visualeditoredit-paramvalue-plugins-$paramValue", |
| 179 | ]; |
| 180 | $params['data-{plugin}'][ApiBase::PARAM_HELP_MSG_APPEND][$paramValue] = [ |
| 181 | "apihelp-visualeditoredit-append-data-plugin-$paramValue", |
| 182 | $taskTypeHandler->getSubmitDataFormatMessage( $taskType, $module->getContext() ), |
| 183 | ]; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Extract the data sent by the frontend structured task logic from the API request. |
| 191 | * @param array $pluginData |
| 192 | * @return array [ JSON data from frontend, TaskTypeHandler, task type ID ] or [ null, null, null ] |
| 193 | * @phan-return array{0:?array,1:?TaskTypeHandler,2:?TaskType} |
| 194 | */ |
| 195 | private function getDataFromApiRequest( array $pluginData ): array { |
| 196 | // Fast-track the common case of a non-Growth-related save - getTaskTypes() is not free. |
| 197 | if ( !$pluginData ) { |
| 198 | return [ null, null, null ]; |
| 199 | } |
| 200 | |
| 201 | $taskTypes = $this->configurationLoader->getTaskTypes(); |
| 202 | foreach ( $taskTypes as $taskTypeId => $taskType ) { |
| 203 | $data = $pluginData[ self::PLUGIN_PREFIX . $taskTypeId ] ?? null; |
| 204 | if ( $data ) { |
| 205 | $data = json_decode( $data, true ) ?? []; |
| 206 | try { |
| 207 | $taskTypeHandler = $this->taskTypeHandlerRegistry->getByTaskType( $taskType ); |
| 208 | } catch ( OutOfBoundsException $e ) { |
| 209 | // Probably some sort of hand-crafted fake API request. Ignore it. |
| 210 | continue; |
| 211 | } |
| 212 | |
| 213 | return [ $data, $taskTypeHandler, $taskType ]; |
| 214 | } |
| 215 | } |
| 216 | return [ null, null, null ]; |
| 217 | } |
| 218 | |
| 219 | } |