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<?php
use Flow\Exception\FlowException;
use Psr\Log\LogLevel;
class MaintenanceDebugLogger extends Psr\Log\AbstractLogger {
/**
* @var Maintenance The maintenance script to perform output through
*/
protected $maintenance;
/**
* @var int The maximum logLevelPosition to output to the
* maintenance object. Defaults to LogLevel::INFO
*/
protected $maxLevel = 7;
/**
* @var int[string] Map from LogLevel constant to its position relative
* to other constants.
*/
protected $logLevelPosition;
public function __construct( Maintenance $maintenance ) {
$this->maintenance = $maintenance;
$this->logLevelPosition = array(
LogLevel::EMERGENCY => 1,
LogLevel::ALERT => 2,
LogLevel::CRITICAL => 3,
LogLevel::ERROR => 4,
LogLevel::WARNING => 5,
LogLevel::NOTICE => 6,
LogLevel::INFO => 7,
LogLevel::DEBUG => 8
);
}
/**
* @param string $level A LogLevel constant. Logged messages less
* severe than this level will not be output.
*/
public function setMaximumLevel( $level ) {
if ( !isset( $this->logLevelPosition[$level] ) ) {
throw new FlowException( "Invalid LogLevel: $level" );
}
$this->maxLevel = $this->logLevelPosition[$level];
}
/**
* {@inheritDoc}
*/
public function log( $level, $message, array $context = array() ) {
$position = $this->logLevelPosition[$level];
if ( $position > $this->maxLevel ) {
return;
}
// TS_DB is used as it is a consistent length every time
$ts = '[' . wfTimestamp( TS_DB ) . ']';
$this->maintenance->outputChanneled( "$ts $message" );
}
}
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