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<?php
	
	session_start ();
	
	if (!isset($_SESSION['nom']) && !isset($_SESSION['password']))
	{  
			header("Location: login.php");   
	}

/////////////////////////////////////////////////////////////////////////////////
	//// code pour bloquer une multiple validation lors du rafraichissement de la page
	
	if(!empty($_POST) )
	{
		$_SESSION['sauvegarde_formulaire'] = $_POST ;
     
		$page_actuelle = $_SERVER['PHP_SELF'] ;
		if(!empty($_SERVER['QUERY_STRING']))
		{
			$page_actuelle .= '?' . $_SERVER['QUERY_STRING'] ;
		}
     
		header('Location: ' . $page_actuelle);
		exit;
	}
	
	if(isset($_SESSION['sauvegarde_formulaire']))
	{
		$_POST = $_SESSION['sauvegarde_formulaire'] ;
		unset($_SESSION['sauvegarde_formulaire']);		
	}	
	
	/////////////////////////////////////////////////////////////////////////////////
	
	header( 'content-type: text/html; charset=utf-8' );
	
	error_reporting(0);
	date_default_timezone_set('Europe/Paris');
	
	if(!empty($_POST['Envoyer']))     
	{  
		$site = $_SERVER["SERVER_NAME"];
		if( ($site == "localhost") || ($site == "127.0.0.1") ) 
		{
			$db_host    = "localhost";
			$db_user   = "root";
			$db_pass   = ""; 
			$db_name   = "test";
		}
		else
		{
			$db_host    = "analogdepat.mysql.db";
			$db_user   = "analogdepat";
			$db_pass   = "Un92pac007";
			$db_name   = "analogdepat";
		}
	
		//backup_tables($db_host,$db_user,$db_pass,$db_name);
		sauvegarde_DB();

}
	
?>
<style>
	
.couleur_texte
{
color: red;
}

</style>
	
<?php

function dirsize($repertoire) 
{
  
  $size = 0;
  
  foreach(scandir($repertoire) as $file)
  {
		if(is_file($file) && $file != '.' && $file != '..')
		{
			$size += filesize($file);
		}
  }
  
  if($size > 1024)
  {
	$size = round($size / 1024 , 2);
    $retour = $size ." Koctets";

if($size > 1024)
	{
		$size = round($size / 1024 , 2);
		$retour = $size ." Moctets";
	}
  }
  else
  { 
	$retour = $size ." octets";
  }
  
  return $retour;
}

function listing_fichier_repertoire($repertoire) 
{
    $results = array();
    $handler = opendir($repertoire);

$cpt = 0;
		
	$ts_actuel = strtotime(date("d-m-Y H:i:s"));
		
    while ($file = readdir($handler)) 
	{
		if($file != "." && $file != ".." && $file != "listing_backup.txt") 
		{
			$file_name = explode(".",$file);
			$date_pieces = explode("-",$file_name[0]);
			$date_tab[0] = $date_pieces[2];
			$date_tab[1] = $date_pieces[3];
			$date_tab[2] = $date_pieces[4];
			$heure_tab = explode("_",$date_pieces[5]);
			$date = $date_tab[0]."-".$date_tab[1]."-".$date_tab[2]; // d-m-Y
			$heure = $heure_tab[0].":".$heure_tab[1].":".$heure_tab[2]; 
			$format = $date ." " .$heure;

$ts = strtotime($format);
			$ts_difference = $ts_actuel - $ts;
			$ts_7jours = 7 * 24 * 3600;
			/*if($ts_difference >= $ts_7jours)
			{
				//echo $file ." ----  " .$format ."    " .$ts ."   trop ancien" ;
				chdir("Backup");
				unlink($file);
			}*/
			/*else
			{
				echo $format ."    " .$ts ;
			}*/
			//echo '<br>';
			
			/*http://www.timestamp.fr/?*/
			
			$results[$cpt][0] = $file;
			$results[$cpt][1]= $ts;
			$results[$cpt][2]= filesize($file);
			$cpt = $cpt + 1;
		}
    }
	chdir("Backup");
	
    closedir($handler);
    return $results;
}

function sauvegarde_DB()
{	
	$jour = date('d-m-Y');
	$heure = date("H_i_s");
	$infos = $jour.'-'.$heure;

$path = getcwd();
	$dirs = explode('/', $path);
	$size = sizeof($dirs);
	$appli_path = $dirs[$size - 1];
			
	// Chemin absolu de l'emplacement du site
	$chemin_absolu_site = 'www' ;
	
	//$fichier = '/homez.65/analogde/www/Massage/Backup/auto_db-backup-v3_'.$infos.'.sql';
		
	$fichier = "/homez.65/analogde/www/" .$appli_path ."/Backup/manuel_db_backup_v3_" .$infos. ".sql";
		
	$current_year = date('Y'); 
	$table = "reservation" .$current_year ."_v3";
		
	// on sauvegarde la table reservation de l'année en court car les année précédente ne sont plus modifiables
	// mains uniquement consultables
	$cmd = "mysqldump --host=analogdepat.mysql.db --user=analogdepat --password=Un92pac007 --default-character-set=utf8 analogdepat configuration_v3 client gestion_v3 " .$table ." > $fichier";
		
	system($cmd);
	
	//$fichier = '/homez.65/analogde/www/Massage/Backup/manuel_db-backup-'.$infos.'.sql';
	//system("mysqldump --host=analogdepat.mysql.db --user=analogdepat --password=Un92pac007 --default-character-set=utf8 analogdepat configuration client gestion reservation2015 > $fichier");

echo "Backup Done";
	echo '<br>';
	echo '<br>';

}

/////////////////////////////

//echo getcwd();
	echo '<br><br>';
	
	$tab = listing_fichier_repertoire('Backup'); 
	//echo '<pre>';
	//print_r($tab);
	
	for($i=0; $i < count($tab); $i++)
	{
		$tab_fichier = $tab[$i][0];
		$tab_ts[] = $tab[$i][1];
	}
	
	$tab_sort = $tab_ts;
	sort($tab_sort);
	
	$tab_reverse = array_reverse($tab_sort);
	//echo '<pre>';
	//print_r($tab_sort);
	
	for($i=0; $i < count($tab); $i++)
	{
		$element = $tab_reverse[$i];
		$position = array_search($element, $tab_ts);
		//echo '<br><br>';
		$file = $tab[$position][0];
		//echo $position ." " .$tab[$position][0]  ."  " .filesize($file);
		
		$tab_affiche[$i][0] = $tab[$position][0];
		$tab_affiche[$i][1] = filesize($file);
	}
	
	echo '<a href="configuration.php">retour ...</a>  
		 <br>
		 <br>';

echo '<form method="post" action="">               
		  <input type="submit" name="Envoyer" value="Backup la database" />
		  </form>';   	
	
	
	$taille = dirsize('.'); 
	$nb_fichiers = count($tab_affiche);
	echo "$nb_fichiers fichier(s) pour un espace occupé de : " .$taille ;
	echo '<br>';	
		
	echo "<table border=1 cellpadding=5 cellspacing=0>";
	echo "	<tr>
			<th>Id</th>
			<th>Fichier backup</th>
			<th>Taille en octets</th>
			</tr>";

for($i=0; $i < count($tab_affiche); $i++)
	{
			$j = $i + 1;
			echo "<tr>
				  <td>" .$j ."</td>";	
			//echo '<td>';
			//echo '<a href="restauration.php?fichier=" .$tab_affiche[$i][0].</a>' .$tab_affiche[$i][0] .'</td>';
			echo '<td> 
				  <a href="restauration.php?fichier='.$tab_affiche[$i][0].'" title = "Restauration">';
			echo  $tab_affiche[$i][0];
			echo '</a>
				  </td>';
			
			
			echo "<td align = 'center'>" .$tab_affiche[$i][1] ."</td>";
			echo '</td>
			      </tr>';
	}
	echo "</table>";