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| 1 | <?php |
| 2 | /** |
| 3 | * @license GPL-2.0-or-later |
| 4 | * @file |
| 5 | */ |
| 6 | |
| 7 | namespace MediaWiki\Api; |
| 8 | |
| 9 | use MediaWiki\Block\CompositeBlock; |
| 10 | use MediaWiki\Block\HideUserUtils; |
| 11 | use MediaWiki\MediaWikiServices; |
| 12 | use MediaWiki\Permissions\Authority; |
| 13 | use stdClass; |
| 14 | use Wikimedia\Rdbms\IExpression; |
| 15 | use Wikimedia\Rdbms\IReadableDatabase; |
| 16 | use Wikimedia\Rdbms\IResultWrapper; |
| 17 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 18 | |
| 19 | /** |
| 20 | * @ingroup API |
| 21 | */ |
| 22 | trait ApiQueryBlockInfoTrait { |
| 23 | use ApiBlockInfoTrait; |
| 24 | |
| 25 | /** |
| 26 | * Filter hidden users if the current user does not have the ability to |
| 27 | * view them. Also add a field hu_deleted which will be true if the user |
| 28 | * is hidden. |
| 29 | * |
| 30 | * @since 1.42 |
| 31 | */ |
| 32 | private function addDeletedUserFilter() { |
| 33 | // TODO: inject dependencies the way ApiWatchlistTrait does |
| 34 | $utils = MediaWikiServices::getInstance()->getHideUserUtils(); |
| 35 | if ( !$this->getAuthority()->isAllowed( 'hideuser' ) ) { |
| 36 | $this->addWhere( $utils->getExpression( $this->getDB() ) ); |
| 37 | // The field is always false since we are filtering out rows where it is true |
| 38 | $this->addFields( [ 'hu_deleted' => '1=0' ] ); |
| 39 | } else { |
| 40 | $this->addFields( [ |
| 41 | 'hu_deleted' => $utils->getExpression( |
| 42 | $this->getDB(), |
| 43 | 'user_id', |
| 44 | HideUserUtils::HIDDEN_USERS |
| 45 | ) |
| 46 | ] ); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * For a set of rows with a user_id field, get the block details for all |
| 52 | * users, and return them in array, formatted using |
| 53 | * ApiBlockInfoTrait::getBlockDetails(). |
| 54 | * |
| 55 | * @since 1.42 |
| 56 | * @param iterable<stdClass>|IResultWrapper $rows Rows with a user_id field |
| 57 | * @return array The block details indexed by user_id. If a user is not blocked, |
| 58 | * the key will be absent. |
| 59 | */ |
| 60 | private function getBlockDetailsForRows( $rows ) { |
| 61 | $ids = []; |
| 62 | foreach ( $rows as $row ) { |
| 63 | $ids[] = (int)$row->user_id; |
| 64 | } |
| 65 | if ( !$ids ) { |
| 66 | return []; |
| 67 | } |
| 68 | $blocks = MediaWikiServices::getInstance()->getDatabaseBlockStore() |
| 69 | ->newListFromConds( [ 'bt_user' => $ids ] ); |
| 70 | $blocksByUser = []; |
| 71 | foreach ( $blocks as $block ) { |
| 72 | $blocksByUser[$block->getTargetUserIdentity()->getId()][] = $block; |
| 73 | } |
| 74 | $infoByUser = []; |
| 75 | foreach ( $blocksByUser as $id => $userBlocks ) { |
| 76 | if ( count( $userBlocks ) > 1 ) { |
| 77 | $maybeCompositeBlock = CompositeBlock::createFromBlocks( ...$userBlocks ); |
| 78 | } else { |
| 79 | $maybeCompositeBlock = $userBlocks[0]; |
| 80 | } |
| 81 | $infoByUser[$id] = $this->getBlockDetails( $maybeCompositeBlock ); |
| 82 | } |
| 83 | return $infoByUser; |
| 84 | } |
| 85 | |
| 86 | /***************************************************************************/ |
| 87 | // region Methods required from ApiQueryBase |
| 88 | /** @name Methods required from ApiQueryBase */ |
| 89 | |
| 90 | /** |
| 91 | * @see ApiBase::getDB |
| 92 | * @return IReadableDatabase |
| 93 | */ |
| 94 | abstract protected function getDB(); |
| 95 | |
| 96 | /** |
| 97 | * @see IContextSource::getAuthority |
| 98 | * @return Authority |
| 99 | */ |
| 100 | abstract public function getAuthority(); |
| 101 | |
| 102 | /** |
| 103 | * @see ApiQueryBase::addTables |
| 104 | * @param string|array $tables |
| 105 | * @param string|null $alias |
| 106 | */ |
| 107 | abstract protected function addTables( $tables, $alias = null ); |
| 108 | |
| 109 | /** |
| 110 | * @see ApiQueryBase::addFields |
| 111 | * @param array|string $fields |
| 112 | */ |
| 113 | abstract protected function addFields( $fields ); |
| 114 | |
| 115 | /** |
| 116 | * @see ApiQueryBase::addWhere |
| 117 | * @param string|array|IExpression $conds |
| 118 | */ |
| 119 | abstract protected function addWhere( $conds ); |
| 120 | |
| 121 | /** |
| 122 | * @see ApiQueryBase::addJoinConds |
| 123 | * @param array $conds |
| 124 | */ |
| 125 | abstract protected function addJoinConds( $conds ); |
| 126 | |
| 127 | /** |
| 128 | * @return SelectQueryBuilder |
| 129 | */ |
| 130 | abstract protected function getQueryBuilder(); |
| 131 | |
| 132 | // endregion -- end of methods required from ApiQueryBase |
| 133 | |
| 134 | } |
| 135 | |
| 136 | /** @deprecated class alias since 1.43 */ |
| 137 | class_alias( ApiQueryBlockInfoTrait::class, 'ApiQueryBlockInfoTrait' ); |