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<?php

///////////////////////////////////////////////////////////////////////////////
//
// pgPhoneHome - Postgres Monitor for iPhone
// Copyright 2008, EnterpriseDB UK Ltd.
// Dave Page (dave.page@enterprisedb.com)
//
// query.php - Select a database, and enter a query
//
///////////////////////////////////////////////////////////////////////////////

require "global.php";

// Get the server number
if (isset($_GET['s']))
	$server = intval($_GET['s']);
else
	$server = -1;

// Set the display panel
$panel = "query" . $server;

if ($server == -1 || $servers[$server]["description"] == "" || $servers[$server]["connstr"] == "")
 	www_error("Invalid server", "The specified server number ($server) does not have a valid configuration.");

// Connect the database
$db = @pg_connect($servers[$server]["connstr"]);
	
if ($db === FALSE)
	www_error("Couldn't connect to the database.", html_entity_decode($php_errormsg, ENT_QUOTES));
	
// Get the connections
$sql = "SELECT datname FROM pg_database WHERE datistemplate=false AND datallowconn=true ORDER BY datname";
$res = @pg_query($db, $sql);

if ($res === false)
	www_error("Query execution error", $php_errormsg);

$message = "Databases: " . pg_num_rows($res);;

$list = "";
$divs = "";
$rownum = 0;

while ($row = pg_fetch_assoc($res)) {

	// Set the sub-panel ID
	$subpanel = $panel . "row" . $rownum++;

        // Generate a query ID to stop queries stomping on each other
	$id = md5(uniqid(rand(), true));
	
	$list .= "<li><img src=\"images/database.png\" class=\"mi\"><a href=\"#" . $subpanel . "\">" . www_clean($row['datname']) . "</a></li>";

	$divs .= "<div id=\"$subpanel\" class=\"panel\" title=\"Query tool\">";
	$divs .= "<form class=\"panel\" action=\"results.php?s=" . $server . "&d=" . www_clean($row['datname']) . "&i=" . $id . "\" method=\"POST\" selected=\"true\">";
	$divs .= "<div class=\"dh\">Database: " . www_clean($row['datname']) . "</div>";
	$divs .= "<h2>SQL query</h2>";
	$divs .= "<fieldset>";
	$divs .= "<div class=\"row\">";
	$divs .= "<textarea name=\"q\"></textarea>";
	$divs .= "</div>";
	$divs .= "</fieldset>";
	$divs .= "<a class=\"grayButton\" type=\"submit\" href=\"#\">Execute</a>";
	$divs .= "</form>";
	$divs .= "</div>";
}

	$text = <<<EOT
<ul id="$panel" title="Databases"> 
<li class="group">$message</li>
$list
</ul>
$divs
EOT;

echo $text;
exit();

?>