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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\ReadingLists\Api; |
| 4 | |
| 5 | use ApiPageSet; |
| 6 | use ApiQueryGeneratorBase; |
| 7 | use LogicException; |
| 8 | use MediaWiki\Extension\ReadingLists\Doc\ReadingListEntryRow; |
| 9 | use MediaWiki\Extension\ReadingLists\ReadingListRepositoryException; |
| 10 | use MediaWiki\Extension\ReadingLists\ReverseInterwikiLookup; |
| 11 | use MediaWiki\Extension\ReadingLists\Utils; |
| 12 | use MediaWiki\MediaWikiServices; |
| 13 | use MediaWiki\Title\Title; |
| 14 | use Wikimedia\ParamValidator\ParamValidator; |
| 15 | |
| 16 | /** |
| 17 | * API list module for getting list contents. |
| 18 | */ |
| 19 | class ApiQueryReadingListEntries extends ApiQueryGeneratorBase { |
| 20 | |
| 21 | use ApiTrait; |
| 22 | use ApiQueryTrait; |
| 23 | |
| 24 | /** @var string API module prefix */ |
| 25 | private static $prefix = 'rle'; |
| 26 | |
| 27 | /** |
| 28 | * @inheritDoc |
| 29 | */ |
| 30 | public function execute() { |
| 31 | try { |
| 32 | $this->run(); |
| 33 | } catch ( ReadingListRepositoryException $e ) { |
| 34 | $this->dieWithException( $e ); |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * @inheritDoc |
| 40 | */ |
| 41 | public function executeGenerator( $resultPageSet ) { |
| 42 | try { |
| 43 | $this->run( $resultPageSet ); |
| 44 | } catch ( ReadingListRepositoryException $e ) { |
| 45 | $this->dieWithException( $e ); |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * Main API logic. |
| 51 | * @param ApiPageSet|null $resultPageSet |
| 52 | */ |
| 53 | private function run( ApiPageSet $resultPageSet = null ) { |
| 54 | if ( !$this->getUser()->isNamed() ) { |
| 55 | $this->dieWithError( [ 'apierror-mustbeloggedin', |
| 56 | $this->msg( 'action-viewmyprivateinfo' ) ], 'notloggedin' ); |
| 57 | } |
| 58 | $this->checkUserRightsAny( 'viewmyprivateinfo' ); |
| 59 | |
| 60 | $lists = $this->getParameter( 'lists' ); |
| 61 | $changedSince = $this->getParameter( 'changedsince' ); |
| 62 | $sort = $this->getParameter( 'sort' ); |
| 63 | $dir = $this->getParameter( 'dir' ); |
| 64 | $limit = $this->getParameter( 'limit' ); |
| 65 | $continue = $this->getParameter( 'continue' ); |
| 66 | |
| 67 | $mode = $changedSince !== null ? self::$MODE_CHANGES : self::$MODE_ALL; |
| 68 | if ( $sort === null ) { |
| 69 | $sort = ( $mode === self::$MODE_CHANGES ) ? 'updated' : 'name'; |
| 70 | } |
| 71 | if ( $mode === self::$MODE_CHANGES && $sort === 'name' ) { |
| 72 | // We don't have the right DB index for this. Wouldn't make much sense anyways. |
| 73 | $errorMessage = $this->msg( 'apierror-readinglists-invalidsort-notbyname', static::$prefix ); |
| 74 | $this->dieWithError( $errorMessage, 'invalidparammix' ); |
| 75 | } |
| 76 | $sort = self::$sortParamMap[$sort]; |
| 77 | $dir = self::$sortParamMap[$dir]; |
| 78 | $continue = $this->decodeContinuationParameter( $continue, $mode, $sort ); |
| 79 | |
| 80 | $this->requireOnlyOneParameter( $this->extractRequestParams(), 'lists', 'changedsince' ); |
| 81 | if ( $mode === self::$MODE_CHANGES ) { |
| 82 | $expiry = Utils::getDeletedExpiry(); |
| 83 | if ( $changedSince < $expiry ) { |
| 84 | $errorMessage = $this->msg( 'apierror-readinglists-too-old', static::$prefix, |
| 85 | wfTimestamp( TS_ISO_8601, $expiry ) ); |
| 86 | $this->dieWithError( $errorMessage ); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | $path = [ 'query', $this->getModuleName() ]; |
| 91 | $result = $this->getResult(); |
| 92 | $result->addIndexedTagName( $path, 'entry' ); |
| 93 | |
| 94 | $repository = $this->getReadingListRepository( $this->getUser() ); |
| 95 | if ( $mode === self::$MODE_CHANGES ) { |
| 96 | $res = $repository->getListEntriesByDateUpdated( $changedSince, $dir, $limit + 1, $continue ); |
| 97 | } else { |
| 98 | $res = $repository->getListEntries( $lists, $sort, $dir, $limit + 1, $continue ); |
| 99 | } |
| 100 | '@phan-var stdClass[] $res'; |
| 101 | $titles = []; |
| 102 | $fits = true; |
| 103 | foreach ( $res as $i => $row ) { |
| 104 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 105 | $item = $this->getResultItem( $row, $mode ); |
| 106 | if ( $i >= $limit ) { |
| 107 | // we reached the extra row. |
| 108 | $this->setContinueEnumParameter( 'continue', |
| 109 | $this->encodeContinuationParameter( $item, $mode, $sort ) ); |
| 110 | break; |
| 111 | } |
| 112 | if ( $resultPageSet ) { |
| 113 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 114 | $titles[] = $this->getResultTitle( $row ); |
| 115 | } else { |
| 116 | $fits = $result->addValue( $path, null, $item ); |
| 117 | } |
| 118 | if ( !$fits ) { |
| 119 | $this->setContinueEnumParameter( 'continue', |
| 120 | $this->encodeContinuationParameter( $item, $mode, $sort ) ); |
| 121 | break; |
| 122 | } |
| 123 | } |
| 124 | if ( $resultPageSet ) { |
| 125 | $resultPageSet->populateFromTitles( $titles ); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * @inheritDoc |
| 131 | */ |
| 132 | protected function getAllowedParams() { |
| 133 | return [ |
| 134 | 'lists' => [ |
| 135 | ParamValidator::PARAM_TYPE => 'integer', |
| 136 | ParamValidator::PARAM_ISMULTI => true, |
| 137 | ], |
| 138 | 'changedsince' => [ |
| 139 | ParamValidator::PARAM_TYPE => 'timestamp', |
| 140 | self::PARAM_HELP_MSG => $this->msg( 'apihelp-query+readinglistentries-param-changedsince', |
| 141 | wfTimestamp( TS_ISO_8601, Utils::getDeletedExpiry() ) ), |
| 142 | ], |
| 143 | ] + $this->getAllowedSortParams(); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * @inheritDoc |
| 148 | */ |
| 149 | public function getHelpUrls() { |
| 150 | return [ |
| 151 | 'https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:ReadingLists#API', |
| 152 | ]; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * @inheritDoc |
| 157 | */ |
| 158 | protected function getExamplesMessages() { |
| 159 | $prefix = static::$prefix; |
| 160 | return [ |
| 161 | "action=query&list=readinglistentries&{$prefix}lists=10|11|12" |
| 162 | => 'apihelp-query+readinglistentries-example-1', |
| 163 | "action=query&list=readinglistentries&{$prefix}changedsince=2013-01-01T00:00:00Z" |
| 164 | => 'apihelp-query+readinglistentries-example-2', |
| 165 | ]; |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * @inheritDoc |
| 170 | */ |
| 171 | public function isInternal() { |
| 172 | // ReadingLists API is still experimental |
| 173 | return true; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Initialize a reverse interwiki lookup helper. |
| 178 | * @return ReverseInterwikiLookup |
| 179 | */ |
| 180 | private function getReverseInterwikiLookup() { |
| 181 | return MediaWikiServices::getInstance()->getService( 'ReverseInterwikiLookup' ); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Transform a row into an API result item |
| 186 | * @param ReadingListEntryRow $row |
| 187 | * @param string $mode One of the MODE_* constants. |
| 188 | * @return array |
| 189 | */ |
| 190 | private function getResultItem( $row, $mode ) { |
| 191 | if ( $row->rle_deleted && $mode !== self::$MODE_CHANGES ) { |
| 192 | $this->logger->error( 'Deleted row returned in non-changes mode', [ |
| 193 | 'rle_id' => $row->rle_id, |
| 194 | 'rl_id' => $row->rle_rl_id, |
| 195 | 'user_central_id' => $row->rle_user_id, |
| 196 | ] ); |
| 197 | throw new LogicException( 'Deleted row returned in non-changes mode' ); |
| 198 | } |
| 199 | return $this->getListEntryFromRow( $row ); |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Transform a row into an API result item |
| 204 | * @param ReadingListEntryRow $row |
| 205 | * @return Title|string |
| 206 | */ |
| 207 | private function getResultTitle( $row ) { |
| 208 | $interwikiPrefix = $this->getReverseInterwikiLookup()->lookup( $row->rlp_project ); |
| 209 | if ( is_string( $interwikiPrefix ) ) { |
| 210 | if ( $interwikiPrefix === '' ) { |
| 211 | $title = Title::newFromText( $row->rle_title ); |
| 212 | if ( !$title ) { |
| 213 | // Validation differences between wikis? Let's just return it as it is. |
| 214 | $title = Title::makeTitle( NS_MAIN, $row->rle_title ); |
| 215 | } |
| 216 | } else { |
| 217 | // We have no way of telling what the namespace is, but Title does not support |
| 218 | // foreign namespaces anyway. Let's just pretend it's in the main namespace so |
| 219 | // the prefixed title string works out as expected. |
| 220 | $title = Title::makeTitle( NS_MAIN, $row->rle_title, '', $interwikiPrefix ); |
| 221 | } |
| 222 | return $title; |
| 223 | } elseif ( is_array( $interwikiPrefix ) ) { |
| 224 | $title = implode( ':', array_slice( $interwikiPrefix, 1 ) ) . ':' . $row->rle_title; |
| 225 | $prefix = $interwikiPrefix[0]; |
| 226 | return Title::makeTitle( NS_MAIN, $title, '', $prefix ); |
| 227 | } |
| 228 | // For lack of a better option let's create an invalid title. |
| 229 | // ApiPageSet::populateFromTitles() is not documented to accept strings |
| 230 | // but it will actually work. |
| 231 | return 'Invalid project|' . $row->rlp_project . '|' . $row->rle_title; |
| 232 | } |
| 233 | |
| 234 | } |