<?php
/***********************************************************************

		Copyright (c) 2011, Andrew V. Pleshakov	(hide@address.com)
		All rights reserved.

		This file is part of SPA (SQLite PHP Admin)
		See file LICENSE.txt for details

************************************************************************/

require_once('include.php');
if(!$current_db) {
	header('Location: main.php');
	die;
}
$object = $_GET['object'];
$action = $_GET['action'];

if(isset($_POST['prefver'])) { // create new database
	$ver = intval($_POST['prefver']);
	$loc = '';
	if($err = SQLite23::createDB($current_db,$ver)) // public static method
		$loc=urlencode("?err={$err}");
	header("Location: dbase.php{$loc}");
	die;
}

if(!$pla_db) {
	header('Location: main.php');
	die;
}

if ($action == 'drop_table') {
    if(!$pla_db->query("DROP TABLE '$object'"))
		raiseError($pla_db->error);
    header("Location: index.php?bd=1");
	die;
}

if ($action == 'empty_table') {
	if(!$pla_db->query("DELETE FROM '$object'"))
		raiseError($pla_db->error);
	$loc = 'dbase.php';
	if(isset($_SERVER['HTTP_REFERER'])) $loc = $_SERVER['HTTP_REFERER'];
	header("Location: $loc");
	die;
}

if ($action == 'drop_index') {
	if(!$pla_db->query("DROP INDEX '$object'"))
		raiseError($pla_db->error);
	$_SESSION['lquery'] = $pla_db->lastQuery();
	$loc = 'dbase.php';
	if(isset($_SERVER['HTTP_REFERER'])) $loc = $_SERVER['HTTP_REFERER'];
	header("Location: $loc");
	die;
}

if ($action == 'new_index') {
	if(!$object)
		raiseError('You did not specify index name');
	$unq = $col = '';
	if(isset($_GET['unique'])) $unq = 'UNIQUE';
	if(isset($_GET['column']))
		$col = implode('","',$_GET['column']);
	else 
		raiseError('You did not specify column name(s) on which to create index');

	if(!$pla_db->query("CREATE $unq INDEX '$object' ON '{$_GET['table']}'(\"$col\")"))
		raiseError($pla_db->error);
	$_SESSION['lquery'] = $pla_db->lastQuery();
	$loc = 'dbase.php';
	if(isset($_SERVER['HTTP_REFERER'])) $loc = $_SERVER['HTTP_REFERER'];
	header("Location: $loc");
	die;
}

if ($action == 'vacuum') {
	$pla_db->vacuum();
	header("Location: dbase.php");
	die;
}

if ($action == 'schema') {
	$cnt = '';
	$pla_db->query('SELECT sql FROM SQLITE_MASTER');
	while($row = $pla_db->fetchArray())
		$cnt .= $row[0]."\n";
	$tar['content'] = $cnt;
	die(design_render('db/schema',$tar));
}

if ($action == 'drop') {// DROP SQLite database (just deleting a file)
	$pla_db->close();
	unset($pla_db);
	if(@unlink($current_db)) {	// remove an entry from alias CFG file
		$trk = ReadAliasCFG();
		$j = count($trk);
		for($i=0;$i<=$j;$i++) {
			if($i == $j) { // this is new PATH!
				raiseError("Bad path='$current_db'!",'File error');
			}
			$row = explode('|',$trk[$i],3);
			if($row[1] == $current_db) break;
		}
		unset($trk[$i]);
		SaveAliasCFG($trk);
	}
	else raiseError("Can not delete file $current_db",'File error');
	$_SESSION['currentdb'] = '';
	header("Location: main.php");
	die;
}
if(isset($_POST['move'])) {
	$newname = trim($_POST['mvdbname']);
	if(file_exists($newname))
		raiseError("File $newname already exists",'File error');
	$pla_db->close();
	unset($pla_db);
	if(@rename($current_db,$newname)) {
		$trk = ReadAliasCFG();
		$j = count($trk);
		for($i=0;$i<$j;$i++) {
			$row = explode('|',$trk[$i],3);
			if($row[1] == $current_db) break;
		}
		if($i < $j) $trk[$i] = "{$row[0]}|{$newname}|{$row[2]}";
		SaveAliasCFG($trk);
		$_SESSION['currentdb'] = $newname;
	}
	else raiseError("Could not rename $current_db to $newname",'File error');
	header('Location: index.php?bd=1');
	die;
}

if(isset($_POST['copy'])) {
	$newname = trim($_POST['cpdbname']);
	if(file_exists($newname))
		raiseError("File $newname already exists",'File error');
	if(@copy($current_db,$newname)) {
		$trk = ReadAliasCFG();
		$j = count($trk);
		for($i=0;$i<$j;$i++) {
			$row = explode('|',$trk[$i],3);
			if($row[1] == $current_db) break;
		}
		if($i < $j) $trk[$j] = "{$row[0]}(copy)|{$newname}|{$row[2]}";
		SaveAliasCFG($trk);
	}
	else raiseError("Could not copy $current_db to $newname",'File error');
	header('Location: index.php?bd=1');
	die;
}