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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | use MediaWiki\Pager\AlphabeticPager; |
| 5 | |
| 6 | /** |
| 7 | * Query to list out unreviewed pages |
| 8 | */ |
| 9 | class UnreviewedPagesPager extends AlphabeticPager { |
| 10 | /** @var UnreviewedPages */ |
| 11 | private $mForm; |
| 12 | |
| 13 | /** @var bool */ |
| 14 | private $live; |
| 15 | |
| 16 | /** @var int */ |
| 17 | private $namespace; |
| 18 | |
| 19 | /** @var string|null */ |
| 20 | private $category; |
| 21 | |
| 22 | /** @var bool */ |
| 23 | private $showredirs; |
| 24 | |
| 25 | /** @var int */ |
| 26 | private $level; |
| 27 | |
| 28 | // Don't get too expensive |
| 29 | private const PAGE_LIMIT = 50; |
| 30 | |
| 31 | /** |
| 32 | * @param UnreviewedPages $form |
| 33 | * @param bool $live |
| 34 | * @param int|null $namespace |
| 35 | * @param bool $redirs |
| 36 | * @param string|null $category |
| 37 | * @param int $level |
| 38 | */ |
| 39 | public function __construct( |
| 40 | $form, $live, $namespace, $redirs = false, $category = null, $level = 0 |
| 41 | ) { |
| 42 | $this->mForm = $form; |
| 43 | $this->live = (bool)$live; |
| 44 | # Must be a content page... |
| 45 | if ( $namespace !== null ) { |
| 46 | $namespace = (int)$namespace; |
| 47 | } |
| 48 | # Must be a single NS for performance reasons |
| 49 | if ( $namespace === null || !FlaggedRevs::isReviewNamespace( $namespace ) ) { |
| 50 | $namespace = FlaggedRevs::getFirstReviewNamespace(); |
| 51 | } |
| 52 | $this->namespace = $namespace; |
| 53 | $this->category = $category ? str_replace( ' ', '_', $category ) : null; |
| 54 | $this->level = intval( $level ); |
| 55 | $this->showredirs = (bool)$redirs; |
| 56 | parent::__construct(); |
| 57 | // Don't get too expensive |
| 58 | $this->mLimitsShown = [ 20, 50 ]; |
| 59 | $this->setLimit( $this->mLimit ); // apply max limit |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * @inheritDoc |
| 64 | */ |
| 65 | public function setLimit( $limit ) { |
| 66 | $this->mLimit = min( $limit, self::PAGE_LIMIT ); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * @inheritDoc |
| 71 | */ |
| 72 | public function formatRow( $row ) { |
| 73 | return $this->mForm->formatRow( $row ); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @inheritDoc |
| 78 | */ |
| 79 | public function getQueryInfo() { |
| 80 | if ( !$this->live ) { |
| 81 | return $this->getQueryCacheInfo(); |
| 82 | } |
| 83 | $fields = [ 'page_namespace', 'page_title', 'page_len', 'page_id', |
| 84 | 'creation' => 'MIN(rev_timestamp)' ]; |
| 85 | $groupBy = [ 'page_namespace', 'page_title', 'page_len', 'page_id' ]; |
| 86 | # Filter by level |
| 87 | $conds = []; |
| 88 | if ( $this->level == 1 ) { |
| 89 | $conds[] = $this->mDb->expr( 'fp_page_id', '=', null )->or( 'fp_quality', '=', 0 ); |
| 90 | } else { |
| 91 | $conds['fp_page_id'] = null; |
| 92 | } |
| 93 | # Reviewable pages only |
| 94 | $conds['page_namespace'] = $this->namespace; |
| 95 | # No redirects |
| 96 | if ( !$this->showredirs ) { |
| 97 | $conds['page_is_redirect'] = 0; |
| 98 | } |
| 99 | # Filter by category |
| 100 | if ( $this->category != '' ) { |
| 101 | $tables = [ 'categorylinks', 'page', 'flaggedpages', 'revision' ]; |
| 102 | $fields[] = 'cl_sortkey'; |
| 103 | $groupBy[] = 'cl_sortkey'; |
| 104 | $conds['cl_to'] = $this->category; |
| 105 | $conds[] = 'cl_from = page_id'; |
| 106 | # Note: single NS always specified |
| 107 | if ( $this->namespace === NS_FILE ) { |
| 108 | $conds['cl_type'] = 'file'; |
| 109 | } elseif ( $this->namespace === NS_CATEGORY ) { |
| 110 | $conds['cl_type'] = 'subcat'; |
| 111 | } else { |
| 112 | $conds['cl_type'] = 'page'; |
| 113 | } |
| 114 | $this->mIndexField = 'cl_sortkey'; |
| 115 | $useIndex = [ 'categorylinks' => 'cl_sortkey' ]; |
| 116 | } else { |
| 117 | $tables = [ 'page', 'flaggedpages', 'revision' ]; |
| 118 | $this->mIndexField = 'page_title'; |
| 119 | $useIndex = [ 'page' => 'page_name_title' ]; |
| 120 | } |
| 121 | $useIndex['revision'] = 'rev_page_timestamp'; |
| 122 | return [ |
| 123 | 'tables' => $tables, |
| 124 | 'fields' => $fields, |
| 125 | 'conds' => $conds, |
| 126 | 'options' => [ 'USE INDEX' => $useIndex, 'GROUP BY' => $groupBy ], |
| 127 | 'join_conds' => [ |
| 128 | 'revision' => [ 'LEFT JOIN', 'rev_page=page_id' ], // Get creation date |
| 129 | 'flaggedpages' => [ 'LEFT JOIN', 'fp_page_id=page_id' ] |
| 130 | ] |
| 131 | ]; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * @return array |
| 136 | */ |
| 137 | private function getQueryCacheInfo() { |
| 138 | $conds = []; |
| 139 | $fields = [ 'page_namespace', 'page_title', 'page_len', 'page_id', |
| 140 | 'qc_value', 'creation' => 'MIN(rev_timestamp)' ]; |
| 141 | # Re-join on flaggedpages to double-check since things |
| 142 | # could have changed since the cache date. Also, use |
| 143 | # the proper cache for this level. |
| 144 | if ( $this->level == 1 ) { |
| 145 | $conds['qc_type'] = 'fr_unreviewedpages_q'; |
| 146 | $conds[] = $this->mDb->expr( 'fp_page_id', '=', null )->or( 'fp_quality', '<', 1 ); |
| 147 | } else { |
| 148 | $conds['qc_type'] = 'fr_unreviewedpages'; |
| 149 | $conds['fp_page_id'] = null; |
| 150 | } |
| 151 | # Reviewable pages only |
| 152 | $conds['qc_namespace'] = $this->namespace; |
| 153 | # No redirects |
| 154 | if ( !$this->showredirs ) { |
| 155 | $conds['page_is_redirect'] = 0; |
| 156 | } |
| 157 | $this->mIndexField = 'qc_value'; // page_id |
| 158 | # Filter by category |
| 159 | if ( $this->category != '' ) { |
| 160 | $tables = [ 'page', 'categorylinks', 'querycache', 'flaggedpages', 'revision' ]; |
| 161 | $conds['cl_to'] = $this->category; |
| 162 | $conds[] = 'cl_from = qc_value'; // page_id |
| 163 | # Note: single NS always specified |
| 164 | if ( $this->namespace === NS_FILE ) { |
| 165 | $conds['cl_type'] = 'file'; |
| 166 | } elseif ( $this->namespace === NS_CATEGORY ) { |
| 167 | $conds['cl_type'] = 'subcat'; |
| 168 | } else { |
| 169 | $conds['cl_type'] = 'page'; |
| 170 | } |
| 171 | } else { |
| 172 | $tables = [ 'page', 'querycache', 'flaggedpages', 'revision' ]; |
| 173 | } |
| 174 | |
| 175 | $useIndex = [ 'querycache' => 'qc_type', 'page' => 'PRIMARY', 'revision' => 'rev_page_timestamp' ]; |
| 176 | return [ |
| 177 | 'tables' => $tables, |
| 178 | 'fields' => $fields, |
| 179 | 'conds' => $conds, |
| 180 | 'options' => [ 'USE INDEX' => $useIndex, 'GROUP BY' => 'qc_value' ], |
| 181 | 'join_conds' => [ |
| 182 | 'querycache' => [ 'LEFT JOIN', 'qc_value=page_id' ], |
| 183 | 'revision' => [ 'LEFT JOIN', 'rev_page=page_id' ], // Get creation date |
| 184 | 'flaggedpages' => [ 'LEFT JOIN', 'fp_page_id=page_id' ], |
| 185 | 'categorylinks' => [ 'LEFT JOIN', |
| 186 | [ 'cl_from=page_id', 'cl_to' => $this->category ] ] |
| 187 | ] |
| 188 | ]; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * @inheritDoc |
| 193 | */ |
| 194 | public function getIndexField() { |
| 195 | return $this->mIndexField; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * @inheritDoc |
| 200 | */ |
| 201 | protected function doBatchLookups() { |
| 202 | $lb = MediaWikiServices::getInstance()->getLinkBatchFactory()->newLinkBatch(); |
| 203 | foreach ( $this->mResult as $row ) { |
| 204 | $lb->add( $row->page_namespace, $row->page_title ); |
| 205 | } |
| 206 | $lb->execute(); |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * @return string HTML |
| 211 | */ |
| 212 | protected function getStartBody() { |
| 213 | return '<ul>'; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * @return string HTML |
| 218 | */ |
| 219 | protected function getEndBody() { |
| 220 | return '</ul>'; |
| 221 | } |
| 222 | } |