<?php

// This file is used to upgrade the database tables from Node Runner
// v0.4 thru 4.1 to v0.4.2.  If you need to upgrade from an older version, you
// MUST run each of the older update files first.  It is HIGHLY
// recommended that you just use the install script (select UPGRADE),
// but if you absolutely *need* to update the database manually,
// you can fill in the values below can call the script from the
// php interpreter.  Otherwise, leave them blank.

$database_host = '';
$database_name = '';
$database_user = '';
$database_pass = '';

if (!$dbhost) { $dbhost = $database_host; }
if (!$db) { $db = $database_name; }
if (!$dbuser) { $dbhost = $database_user; }
if (!$dbpass) { $dbhost = $database_pass; }

if ($database_host && $database_name && $database_user && $database_pass) {
  unset($err_msg);
  $connect = mysql_connect($database_host,$database_user,$database_pass);
  if (!$connect) { $err_msg .= mysql_error()."\n"; }
}


# DATABASE CHANGELOG:
# 1) Adds days column to objects table for ability to query nodes
#    on specified days.
# 2) Adds resolved column to alert_log for re-polling.
# 3) Sets default days to all.
# 4) Sets default resolved to Y.
#    (recommend making sure all nodes are working before updating db tables.)

$query1 = "ALTER TABLE objects ADD days varchar(27) NOT NULL";
$result1 = mysql_db_query($db, $query1);
if (!$result1) {
	$err_msg .= mysql_error()."\n";
}

$query2 = "ALTER TABLE alert_log ADD resolved char(1) NOT NULL";
$result2 = mysql_db_query($db, $query2);
if (!$result2) {
	$err_msg .= mysql_error()."\n";
}

$query3 = "UPDATE objects SET days=\"Sun Mon Tue Wed Thu Fri Sat\"";
$result3 = mysql_db_query($db, $query3);
if (!$result3) {
	$err_msg .= mysql_error()."\n";
}

$query4 = "UPDATE alert_log SET resolved='Y'";
$result4 = mysql_db_query($db, $query4);
if (!$result4) {
	$err_msg .= mysql_error()."\n";
}


# Generate some output if this files is run by itself.
if ($database_host && $database_name && $database_user && $database_pass) {
  if ($err_msg) {
  	echo "\nMySQL ERROR:\n\n".$err_msg."\n\n";
  } else {
  	echo "\nDatabase populated successfully.\n\n";
  }
}

?>