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2 |
1 | <?php |
2 | |
3 | namespace GeoData; |
4 | |
5 | use MediaWiki\MediaWikiServices; |
6 | use Wikimedia\Rdbms\IReadableDatabase; |
7 | |
8 | class GeoData { |
9 | /** |
10 | * Returns primary coordinates of the given page, if any |
11 | * @param int $pageId |
12 | * @return Coord|bool Coordinates or false |
13 | */ |
14 | public static function getPageCoordinates( int $pageId ) { |
15 | $coords = self::getAllCoordinates( $pageId, [ 'gt_primary' => 1 ] ); |
16 | return $coords ? $coords[0] : false; |
17 | } |
18 | |
19 | /** |
20 | * Retrieves all coordinates for the given page id |
21 | * |
22 | * @param int $pageId ID of the page |
23 | * @param array $conds Conditions for {@see IReadableDatabase::select} |
24 | * @param int $dbType Database to select from DB_PRIMARY or DB_REPLICA |
25 | * @return Coord[] |
26 | */ |
27 | public static function getAllCoordinates( int $pageId, array $conds = [], int $dbType = DB_REPLICA ): array { |
28 | $db = self::getDB( $dbType ); |
29 | $conds['gt_page_id'] = $pageId; |
30 | $columns = array_values( Coord::FIELD_MAPPING ); |
31 | $res = $db->select( 'geo_tags', $columns, $conds, __METHOD__ ); |
32 | $coords = []; |
33 | foreach ( $res as $row ) { |
34 | $coords[] = Coord::newFromRow( $row ); |
35 | } |
36 | return $coords; |
37 | } |
38 | |
39 | /** |
40 | * @param int $dbType DB_PRIMARY or DB_REPLICA |
41 | * @return IReadableDatabase |
42 | */ |
43 | private static function getDB( int $dbType ): IReadableDatabase { |
44 | return MediaWikiServices::getInstance() |
45 | ->getDBLoadBalancer() |
46 | ->getConnection( $dbType ); |
47 | } |
48 | } |