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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | use MediaWiki\Pager\AlphabeticPager; |
| 5 | |
| 6 | /** |
| 7 | * Query to list out outdated reviewed pages |
| 8 | */ |
| 9 | class PendingChangesPager extends AlphabeticPager { |
| 10 | /** @var PendingChanges */ |
| 11 | private $mForm; |
| 12 | |
| 13 | /** @var string|null */ |
| 14 | private $category; |
| 15 | |
| 16 | /** @var int|int[] */ |
| 17 | private $namespace; |
| 18 | |
| 19 | /** @var int */ |
| 20 | private $level; |
| 21 | |
| 22 | /** @var int|null */ |
| 23 | private $size; |
| 24 | |
| 25 | /** @var bool */ |
| 26 | private $watched; |
| 27 | |
| 28 | /** @var bool */ |
| 29 | private $stable; |
| 30 | |
| 31 | // Don't get too expensive |
| 32 | private const PAGE_LIMIT = 100; |
| 33 | |
| 34 | /** |
| 35 | * @param PendingChanges $form |
| 36 | * @param int|null $namespace |
| 37 | * @param int $level |
| 38 | * @param string $category |
| 39 | * @param int|null $size |
| 40 | * @param bool $watched |
| 41 | * @param bool $stable |
| 42 | */ |
| 43 | public function __construct( $form, $namespace, $level = -1, $category = '', |
| 44 | $size = null, $watched = false, $stable = false |
| 45 | ) { |
| 46 | $this->mForm = $form; |
| 47 | # Must be a content page... |
| 48 | if ( $namespace !== null ) { |
| 49 | $namespace = (int)$namespace; |
| 50 | } |
| 51 | # Sanity check |
| 52 | if ( $namespace === null || !FlaggedRevs::isReviewNamespace( $namespace ) ) { |
| 53 | $namespace = FlaggedRevs::getReviewNamespaces(); |
| 54 | } |
| 55 | $this->namespace = $namespace; |
| 56 | # Sanity check level: 0 = checked; 1 = quality; 2 = pristine |
| 57 | $this->level = ( $level >= 0 && $level <= 2 ) ? $level : -1; |
| 58 | $this->category = $category ? str_replace( ' ', '_', $category ) : null; |
| 59 | $this->size = ( $size !== null ) ? intval( $size ) : null; |
| 60 | $this->watched = (bool)$watched; |
| 61 | $this->stable = $stable && !FlaggedRevs::isStableShownByDefault() |
| 62 | && !FlaggedRevs::useOnlyIfProtected(); |
| 63 | |
| 64 | parent::__construct(); |
| 65 | # Don't get too expensive |
| 66 | $this->mLimitsShown = [ 20, 50, 100 ]; |
| 67 | $this->setLimit( $this->mLimit ); // apply max limit |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * @inheritDoc |
| 72 | */ |
| 73 | public function setLimit( $limit ) { |
| 74 | $this->mLimit = min( $limit, self::PAGE_LIMIT ); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * @inheritDoc |
| 79 | */ |
| 80 | public function formatRow( $row ) { |
| 81 | return $this->mForm->formatRow( $row ); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @inheritDoc |
| 86 | */ |
| 87 | public function getDefaultQuery() { |
| 88 | $query = parent::getDefaultQuery(); |
| 89 | $query['category'] = $this->category; |
| 90 | return $query; |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * @inheritDoc |
| 95 | */ |
| 96 | public function getQueryInfo() { |
| 97 | $tables = [ 'page', 'revision' ]; |
| 98 | $fields = [ 'page_namespace', 'page_title', 'page_len', 'rev_len', 'page_latest' ]; |
| 99 | $conds = []; |
| 100 | # Show outdated "stable" versions |
| 101 | if ( $this->level < 0 ) { |
| 102 | $tables[] = 'flaggedpages'; |
| 103 | $fields['stable'] = 'fp_stable'; |
| 104 | $fields['quality'] = 'fp_quality'; |
| 105 | $fields['pending_since'] = 'fp_pending_since'; |
| 106 | $conds[] = 'page_id = fp_page_id'; |
| 107 | $conds[] = 'rev_id = fp_stable'; // PK |
| 108 | $conds[] = 'fp_pending_since IS NOT NULL'; |
| 109 | # Filter by pages configured to be stable |
| 110 | if ( $this->stable ) { |
| 111 | $tables[] = 'flaggedpage_config'; |
| 112 | $conds[] = 'fp_page_id = fpc_page_id'; |
| 113 | $conds['fpc_override'] = 1; |
| 114 | } |
| 115 | # Filter by category |
| 116 | if ( $this->category != '' ) { |
| 117 | $tables[] = 'categorylinks'; |
| 118 | $conds[] = 'cl_from = fp_page_id'; |
| 119 | $conds['cl_to'] = $this->category; |
| 120 | } |
| 121 | $this->mIndexField = 'fp_pending_since'; |
| 122 | # Show outdated version for a specific review level |
| 123 | } else { |
| 124 | $tables[] = 'flaggedpage_pending'; |
| 125 | $fields['stable'] = 'fpp_rev_id'; |
| 126 | $fields['quality'] = 'fpp_quality'; |
| 127 | $fields['pending_since'] = 'fpp_pending_since'; |
| 128 | $conds[] = 'page_id = fpp_page_id'; |
| 129 | $conds[] = 'rev_id = fpp_rev_id'; // PK |
| 130 | $conds[] = 'fpp_pending_since IS NOT NULL'; |
| 131 | # Filter by review level |
| 132 | $conds['fpp_quality'] = $this->level; |
| 133 | # Filter by pages configured to be stable |
| 134 | if ( $this->stable ) { |
| 135 | $tables[] = 'flaggedpage_config'; |
| 136 | $conds[] = 'fpp_page_id = fpc_page_id'; |
| 137 | $conds['fpc_override'] = 1; |
| 138 | } |
| 139 | # Filter by category |
| 140 | if ( $this->category != '' ) { |
| 141 | $tables[] = 'categorylinks'; |
| 142 | $conds[] = 'cl_from = fpp_page_id'; |
| 143 | $conds['cl_to'] = $this->category; |
| 144 | } |
| 145 | $this->mIndexField = 'fpp_pending_since'; |
| 146 | } |
| 147 | $fields[] = $this->mIndexField; // Pager needs this |
| 148 | # Filter namespace |
| 149 | if ( $this->namespace !== null ) { |
| 150 | $conds['page_namespace'] = $this->namespace; |
| 151 | } |
| 152 | # Filter by watchlist |
| 153 | if ( $this->watched ) { |
| 154 | $uid = $this->getUser()->getId(); |
| 155 | if ( $uid ) { |
| 156 | $tables[] = 'watchlist'; |
| 157 | $conds['wl_user'] = $uid; |
| 158 | $conds[] = 'page_namespace = wl_namespace'; |
| 159 | $conds[] = 'page_title = wl_title'; |
| 160 | } |
| 161 | } |
| 162 | # Filter by bytes changed |
| 163 | if ( $this->size !== null && $this->size >= 0 ) { |
| 164 | # Note: ABS(x-y) is broken due to mysql unsigned int design. |
| 165 | $conds[] = 'GREATEST(page_len,rev_len)-LEAST(page_len,rev_len) <= ' . |
| 166 | intval( $this->size ); |
| 167 | } |
| 168 | # Don't display pages with expired protection (T350527) |
| 169 | if ( FlaggedRevs::useOnlyIfProtected() ) { |
| 170 | $tables[] = 'flaggedpage_config'; |
| 171 | $conds[] = 'fpc_page_id = fp_page_id'; |
| 172 | $conds[] = $this->mDb->expr( 'fpc_expiry', '=', 'infinity' ) |
| 173 | ->or( 'fpc_expiry', '>', $this->mDb->timestamp() ); |
| 174 | } |
| 175 | return [ |
| 176 | 'tables' => $tables, |
| 177 | 'fields' => $fields, |
| 178 | 'conds' => $conds |
| 179 | ]; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * @inheritDoc |
| 184 | */ |
| 185 | public function getIndexField() { |
| 186 | return $this->mIndexField; |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * @inheritDoc |
| 191 | */ |
| 192 | protected function doBatchLookups() { |
| 193 | $lb = MediaWikiServices::getInstance()->getLinkBatchFactory()->newLinkBatch(); |
| 194 | foreach ( $this->mResult as $row ) { |
| 195 | $lb->add( $row->page_namespace, $row->page_title ); |
| 196 | } |
| 197 | $lb->execute(); |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * @return string HTML |
| 202 | */ |
| 203 | protected function getStartBody() { |
| 204 | return '<ul>'; |
| 205 | } |
| 206 | |
| 207 | /** |
| 208 | * @return string HTML |
| 209 | */ |
| 210 | protected function getEndBody() { |
| 211 | return '</ul>'; |
| 212 | } |
| 213 | } |