<?php

// Copyright (c) 2003-2017 DataMystic.com, All Rights Reserved 
// This file is copyrighted content

// $string - string to search for
// $search - what to search: All, Description, Keywords, Title, Company
// $match - how to search: Any, All, Exact
// $os - platform to search
// $cat - category to search
// $sort - sort order
// $page - for multi-page results
// $display - text or image

  $max_age = 10*60*60;
  session_cache_limiter( FALSE ); 
  session_start();
  header("Cache-Control: max-age=$max_age"); //time in seconds

  require_once("core.php");
  require_once("searchresults.php");

  left_sidebar( false );
  search_page( true );

//error_reporting(E_ALL);

  ini_set("max_execution_time", 2*60 );  
  ini_set("mysql.connect_timeout", 2*60 - 10 );  

  //disable google ads
  no_google( 1 );

  if (isset($_GET['string']))
  {
	  $string = trim($_GET['string']);
  }
  else if (isset($_GET['q']))
  {
    //perhaps not decoded automatically because of the apache rewrite
	$string = trim(urldecode($_GET['q']));
  }
  else
  {
    $string = '';
  }
  
  if (isset($_GET['search']))
    $search = $_GET['search'];
  else
  	$search = 'All';

  if (isset($_GET['match']))
    $match = $_GET['match'];
  else
  	$match = '';

  if (isset($_GET['os']))
  {
  	  $platform = $_GET['os'];
	  if ($platform == 'Win') $platform = 'Windows';
	  if ($platform == '') $platform = 'All';
  }
  else 
	  $platform = 'All';
	  
  if (isset($_GET['cat']))
  {
    //perhaps not decoded automatically because of the apache rewrite
    $category = trim(urldecode($_GET['cat']));
  }
  else
  	$category = '';

  if (isset($_GET['display']))
    $display = $_GET['display'];
  else
  	$display = '';

  if (isset($_GET['sort']))
    $sort = $_GET['sort'];
  else
  	$sort = '';

  //used in searchresults.php
  if (isset($_GET['page']))
    $page = $_GET['page'];
  else
  	$page = '';


  //redirect straight to platform/category page if search string is blank
  //EXCEPT this is how we get New and Recent from Top of canned results lists
  if (0) // ($string == '') && ($sort == '') )
  {
    if ($category != '')
    {
      Header( "HTTP/1.1 301 Moved Permanently" );
      Header( "Location: http://{$_SERVER['SERVER_NAME']}/{$platform}/" . short_category_name($category) );
      exit;
    }
    else if ($platform != '')
    {
      Header( "HTTP/1.1 301 Moved Permanently" );
      Header( "Location: http://{$_SERVER['SERVER_NAME']}/{$platform}" );
      exit;
    }
  }

  if (preg_match( "/^(freeware|free)\$/i", $string ) )
  {
    //redirect to freeware
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/freesoftware.html" );
    exit;
  }
  if (preg_match( "/^(discount +coupons?|Customer +coupons?|Affiliates? +coupons?|discount +vouchers?|Discount +Codes?|discounts?|vouchers?|coupon|coupons?)\$/i", $string ) )
  {
    //redirect to coupons
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/coupons.html" );
    exit;
  }

  //raw platform redirects
  if (preg_match( "/^(windows|windows xp|windows 7|windows7|windows nt|windows 2000|windows 2k|win2k)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/Windows" );
    exit;
  }
  if (preg_match( "/^(mac|macintosh|Mac OSX|Mac OS\d|mac os X|mac os \d)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/Mac" );
    exit;
  }
  if (preg_match( "/^(windows vista|Vista)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/Vista" );
    exit;
  }
  if (preg_match( "/^(linux OS|linux|unix)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/Linux" );
    exit;
  }
  if (preg_match( "/^(pda)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/PDA" );
    exit;
  }
  if (preg_match( "/^(mobiles?|mobile phone|cell|cell phones?|cellphone|windows mobile|windows mobile \d+|windows ce)\$/i", $string ) )
  {
    Header( "HTTP/1.1 301 Moved Permanently" );
    Header( "Location: http://{$_SERVER['SERVER_NAME']}/Mobile" );
    exit;
  }

  
  //no redirects - now generate a page
function do_header()
{
  global $string, $category, $platform, $header_text, $sort;

  include_once('header1.php');
  
  $string_hsc = htmlspecialchars($string);
  if (($category != '') && ($category != 'All'))
    $category_hsc = ' ' . $category;
  else
    $category_hsc = '';
  if (isset($platform) && ($platform != 'All') && ($platform != ''))
    $platform_hsc = " in $platform";
  else
    $platform_hsc = '';

  if (isset($sort) && ($sort != ''))
  {
    if ($sort == 'Date')
    {
	  	$sort_hsc = '';
	  	$string_hsc = "Newest " . $string_hsc;
	}
	else if ($sort == 'Discount')
	{
	  	$sort_hsc = '';
	  	$string_hsc = "Discounted " . $string_hsc;
	}
	else if ($sort == 'Downloads')
	{
	  	$sort_hsc = '';
	  	$string_hsc = "Most Popular " . $string_hsc;
	}
	else if ($sort == 'Rating')
	{
	  	$sort_hsc = '';
	  	$string_hsc = "Top Rated " . $string_hsc;
	}
	else if ($sort == 'Cost')
	{
	  	$sort_hsc = '';
	  	$string_hsc = "Least Expensive " . $string_hsc;
	}
	else if ($sort == 'Size')
	{
	  	$sort_hsc = '';
	  	$string_hsc = "Smallest " . $string_hsc;
	}
	else
	{
	  	$sort_hsc = " by $sort";
	}
  }

  //keep H1 and Meta title subtley different

  if (isset($_GET['display']) && ($_GET['display'] == '2'))
  {
    $mode = " (icon view)";
  }

  echo <<<ENDH
<title>{$string_hsc} downloads{$platform_hsc}{$category_hsc}{$sort_hsc} - DownloadPipe</title>
<meta name="description" content="{$string_hsc} software {$platform_hsc}{$category_hsc}{$sort_hsc}{$mode} on DownloadPipe.com, the world's fastest and fastest-updating software download site" />
ENDH;
  $header_text = "$string_hsc downloads{$sort_hsc}{$mode}";

  include_once('header3.php');

  $smarty = newSmarty();
  $smarty->assign( 'string', $string );
  
  if ($category != '')
  {
	  $smarty->assign( 'category', $category );
  }
  $smarty->assign( 'platform', $platform );

  if ($string <> '')
    $smarty->assign( 'page', "Search software downloads for \"$string\" " );
  else
    $smarty->assign( 'page', "Search $platform $category" );

//  $res = $smarty->fetch( 'breadcrumbs.tpl' );
  echo reduce_text($res);

  echo <<<ENDH
</div>
ENDH;
//<div style="padding:0px 0px 10px 0px">
}  //do header



  //now check for recent cache - use cache exclusively if we cannot access db
  cache_lite_create( $cache, 'search', 24*60*60 );

  $waiting = 0;
  $res = '';
  if ( 
  	  (isset($_GET['force']) && ($_GET['force'] == '') ) ||
  	  (isset($_GET['nocache']) && ($_GET['nocache'] == '1') ) 
  )
  while(1)
  {
    $res = $cache->get( "{$string}, {$search}, {$match}, {$platform}, {$category}, {$sort}{$page}{$display}" );
    if ($res == 'pending')
    {
      //check how old it is - might have timed out before completing
      $seconds_ago = time() - $cache->lastModified();
      if ($seconds_ago > 3*60)
      {
        $res = '';
        break;
      }

      //wait for longer if result is still pending
      $waiting++;
      if ($waiting > 10)
      {
        $res = '';
        break; 
      }
      echo "Waiting for results...<br>\n";
      flush();
      sleep(1); 
    }
    else 
      break;
  }


  try {

//  get_db_slave( $link_id_slave );
    get_db( $link_id_slave );
    $link_id = $link_id_slave;

    $db_failed = 0;

  } catch (Exception $e) {
    $db_failed = 24*60*60;
  }



  if (($res != '') && ($_GET['nocache'] == '') && ($_GET['force'] == ''))
  {
    header("Last-Modified: " . gmdate("D, d M Y H:i:s", $cache->lastModified() ) . " GMT", true); 
    header("x-from-cache: true" ); 
    do_header();

    echo $res;
    
    //only update search stats if we have a db connection
    if ($db_failed == 0)
    {
      if ( empty($page) && !is_robot() && ($string <> '') )
        record_search( 'searches', $string, $link_id );
    }
    
  }
  else if ($db_failed == 0)
  {
    header("Last-Modified: " . gmdate("D, d M Y H:i:s", time() ) . " GMT", true); 
    header("x-from-cache: false" ); 
    do_header();

    $cache->save('pending');
    
    $res = searchresults( $string, $search, $match, $platform, $category, $sort );

    $res = reduce_text($res);
    $cache->save($res);
	$res = substitute_before_display( $res );
	substitute_header_code_into_text( $res );
	
  }
  else 
  {
    do_header();
    echo "<h2>DB under heavy load - please try again shortly</h2>";
  }



//  if (is_resource($link_id))
//    mysql_close($link_id);

  include_once('footer2.php');  
?>