<?php
namespace JLaso\SimpleLogger\Command;
use JLaso\SimpleLogger\PlainFileLogger as Logger;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
class FilterCommand extends Command
{
protected function configure()
{
$this
->setName('log:filter')
->setDescription('Filter log entries')
->addOption('date-from',null, InputOption::VALUE_REQUIRED,'date from (format Y-m-d h:i:s)',null)
->addOption('levels', null, InputOption::VALUE_REQUIRED, 'levels', null)
->addOption('with', null, InputOption::VALUE_REQUIRED, 'words contained', null)
;
}
protected function execute(InputInterface $input, OutputInterface $output)
{
$start = microtime(true);
$logger = new Logger();
$logFile = $logger->getLogFile();
if(!file_exists($logFile) || !is_readable($logFile)){
$output->writeln("Log file {$logFile} not found or not readable!");
}else {
$words = $input->getOption('with');
/** @var string[] $words */
$words = $words ? explode(',', $words) : false;
/** @var string[] $levels */
$levels = $input->getOption('levels');
$levels = $levels ? explode(',', $levels) : false;
$date = $input->getOption('date-from');
$fHandler = fopen($logFile, 'r');
if(!$fHandler){
$output->writeln("Some error happened reading file {$logFile} !");
}else {
while (!feof($fHandler)) {
$buffer = fgets($fHandler, 4096);
if ($data = $logger->decodeLine($buffer)) {
$show = (!$date || ($data['date'] >= $date))
&& (!$words || $this->areAnyOfThisWords($words, $buffer))
&& (!$levels || in_array($data['level'], $levels));
if ($show) {
$output->write($buffer);
}
}
}
fclose($fHandler);
}
}
$output->writeln('Done in '.intval((microtime(true)-$start)*1000).' msec !');
}
/**
* @param string[] $words
* @param string $buffer
* @return bool
*/
protected function areAnyOfThisWords($words, $buffer)
{
foreach($words as $word) {
if (preg_match('#\b' . preg_quote($word, '#') . '\b#i', $buffer)){
return true;
}
}
return false;
}
}
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