getpinners.php

<?php
/*
* author: Rockey Nebhwani
* Run: getpinners.php?retailerid=DOMAIN
*example: http://localhost/<appname>/getpinners.php?retailerid=direct.asda.com
*/
require_once 'simple_html_dom.php';
function getTextBetweenTags($string) {
	//"totalPages": 7
	$pattern = "/totalPages\": (\d)/";
	preg_match($pattern, $string, $matches);
	if(count($matches)>0){
		return str_replace('"',"",$matches[0]);
	}
	return '';
}

if(isset($_GET['page'])){
	$totalPages=0;
	$page=$_GET['page'];
	$retailerid= trim($_GET['retailerid']);
	$url = "http://pinterest.com/source/$retailerid";
	$html = file_get_html($url);
	$url = "http://pinterest.com/source/$retailerid/?page=".$page;
	$html = file_get_html($url);
	foreach($html->find('div[class=pin] div[class=convo] p') as $pinDetails){
		/* Should find a better way to do this. PINs with comments result in additional
		 data which we don't need. We get comments inforation as well if we don't check for this.
		I wish 'find' method let me select for multiple classes (e.g. div[class=convo attribution] */
		if(isset($pinDetails->find('a', 1)->innertext)){
	
			$pinnerID = trim($pinDetails->find('a', 0)->href,'/');
			$pinnerBoards = $pinDetails->find('a', 1)->innertext;
			$pinnerBoardIDs = $pinDetails->find('a',1)->href;
	
			$pinners[$pinnerID] = array($pinnerID);
			$boards[] = array($pinnerBoards);
			$boardIDs[] = array($pinnerBoardIDs);
	
		}
	
	}
	
}else{
$retailerid= trim($_GET['retailerid']);
$url = "http://pinterest.com/source/$retailerid";
$html = file_get_html($url);
$totalnumberofpage='';
foreach($html->find('script') as $e){
$x=getTextBetweenTags($e);
if($x!=''){
	$totalnumberofpage=$x;
}
}
$arr=explode(":",$totalnumberofpage);
$totalPages= trim($arr[1]);

//for($i=1;$i<=$totalPages;$i++){
$url = "http://pinterest.com/source/$retailerid/?page=1";
$html = file_get_html($url);
foreach($html->find('div[class=pin] div[class=convo] p') as $pinDetails){
/* Should find a better way to do this. PINs with comments result in additional
 data which we don't need. We get comments inforation as well if we don't check for this.
 I wish 'find' method let me select for multiple classes (e.g. div[class=convo attribution] */    
    if(isset($pinDetails->find('a', 1)->innertext)){
        
        $pinnerID = trim($pinDetails->find('a', 0)->href,'/');
        $pinnerBoards = $pinDetails->find('a', 1)->innertext;
        $pinnerBoardIDs = $pinDetails->find('a',1)->href;
        
        $pinners[$pinnerID] = array($pinnerID);
        $boards[] = array($pinnerBoards);
        $boardIDs[] = array($pinnerBoardIDs);

       }
    
}

}

//}
  //$json=array("pinners"=>$pinners,"boards"=>$boards,"boardids"=>$boardIDs);
$json=array("pinners"=>$pinners,"page"=>$totalPages);
/* Remove duplicate pinners fro the $pinners array and duplicate boards from $boards. Not sure how to make array_unique work */        
    
header('Content-type: application/json');
echo json_encode($json);
//echo json_encode($boards);
//echo json_encode($boardIDs);

?>