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TranslationStatsInterface.php
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TranslationStatsInterface.php
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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate\Statistics;
use stdClass;
use Wikimedia\Rdbms\IReadableDatabase;
use Wikimedia\Rdbms\SelectQueryBuilder;
/**
* Interface for producing different kinds of graphs.
* The graphs are based on data queried from the database.
*
* @ingroup Stats
* @license GPL-2.0-or-later
* @since 2010.07
*/
interface TranslationStatsInterface {
/**
* Constructor. The implementation can access the graph options, but not
* define new ones.
* @param TranslationStatsGraphOptions $opts
*/
public function __construct( TranslationStatsGraphOptions $opts );
/**
* Return the SelectQueryBuilder to fetch the data needed for the graph.
* An additional condition with the cutoff timestamp(s) will be added to
* the returned query builder.
* @param IReadableDatabase $database
* @param string $caller Appended with the graph type and passed to `->caller()` (used to identify queries).
*/
public function createQueryBuilder( IReadableDatabase $database, string $caller ): SelectQueryBuilder;
/**
* Return the indexes which this result contributes to.
* Return 'all' if only one variable is measured. Return false if none.
* @param stdClass $row Database Result Row
* @return ?array
*/
public function indexOf( stdClass $row ): ?array;
/**
* Return the names of the variables being measured.
* Return 'all' if only one variable is measured. Must match indexes
* returned by indexOf() and contain them all.
* @return string[]
*/
public function labels(): array;
/** Return the name of the timestamp column to be queried. */
public function getTimestampColumn(): string;
/**
* Return time formatting string.
* @see Language::sprintfDate()
*/
public function getDateFormat(): string;
}

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