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<?php
/**
* sfIsisImporterLog provides basic logging facilities for import procedures.
*/
class sfIsisImporterLog
{
/**
* @var object $instance The singleton instance
*/
private static $instance = null;
/**
* @var object $loglevel Log level
*/
public static $loglevel;
/**
* @var object $section Log section
*/
public static $section = false;
/**
* @var object $caller Log caller
*/
public static $caller = false;
/**
* @var int $processed Number of processed entries
*/
var $processed = 0;
/**
* Get the singleton instance.
*
* @param string $loglevel Log level to use
*/
public static function getInstance($loglevel = 'info')
{
if(self::$instance == null) {
self::$instance = new self($loglevel);
}
return self::$instance;
}
/**
* Constructor.
*/
private function __construct($loglevel = 'info')
{
$this->setLevel($loglevel);
}
/**
* Set the log level.
*
* @param string $loglevel Log level to use
*/
public function setLevel($loglevel)
{
$this->loglevel = $loglevel;
}
/**
* Set the log section.
*
* @param string $section Log section to use
*/
public function setSection($section)
{
$this->section = $section;
}
/**
* Set the log caller.
*
* @param string $caller Log caller to use
*/
public function setCaller($caller)
{
$this->caller = $caller;
}
/**
* Get the available log levels ordered by verbosity.
*
* @return array Log levels
*/
public function levels()
{
return array_flip(array('notice', 'fatal', 'info', 'warning', 'error', 'debug'));
}
/**
* Log dispatcher.
*
* @param string $message Log message
* @param string $level Log level
*/
public function log($message, $level = 'info')
{
// Get the available log levels.
$levels = $this->levels();
// Log level checking.
if (array_search($level, $levels) === FALSE)
{
$this->log("Invalid log level $level.", 'error');
return;
}
elseif ($levels[$level] > $levels[$this->loglevel])
{
return;
}
// Dispatch.
if ($this->section == 'action')
{
$this->caller->logMessage($message, $level);
}
else
{
$message = "[$level] $message";
if ($this->caller)
{
$this->caller->logSection('isisImporter', $message);
}
else
{
echo ("$message\n");
}
}
}
/**
* Progress notifier.
*
* @param int $entry Entry number
* @param int $entries Total number of entries
*/
public function progress($entry, $entries)
{
$this->processed = $entry;
$levels = $this->levels();
if ($this->section == 'action')
{
$this->caller->output .= "Saved item $entry\n";
}
else
{
// Progress bar is just shown if loglevel is 'fatal' or lower.
if ($levels['fatal'] >= $levels[$this->loglevel] && $this->caller)
{
$this->caller->progressBar($entry, $entries);
}
}
return $this->processed;
}
}
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