<?php
// Incomplete example

class DiggChain extends CurlChain {
	public $cookieFile=null;
	public $stories =null;

	public function __construct($user,$pass) {
		$this->user = $user;
		$this->pass = $pass;
	}

	public function _login() {
		$id = $this->id.'login';
		$reqs[$id] = new DiggLogin($this->user,$this->pass);
		return $reqs;
	}

	public function _index() {
		$id = $this->id.'index';
		$reqs[$id] = new DiggIndex($user,$pass);
		$reqs[$id]->cookieFile = $this->cookieFile;
		$reqs[$id]->attach('success',array($this,'getStories'));
		return $reqs;
	}

	public function _diggStories($n) {
		if($this->stories && $this->cookieFile) {
		$stories = array_rand($this->stories,$n);
		foreach($stories as $i=>$story) {
			$id = $this->id.'digg'.$i;
			$reqs[$id] = new DiggStoryDigg($story);
			$reqs[$id]->cookieFile = $this->cookieFile;
		}
		return $reqs;
		} else { return false; }
	}
	//parse list of stories, this can be attached to any request that extracts stories e.g. DiggIndex, DiggCategory etc
	public function getStories($obj) {
		if(!empty($obj->stories)) {
			$this->stories = & $obj->stories;
		} else { return false; }
	}
}

//$c = new CurlBase;
//$d = new DiggChain($user,$pass);
//$d->login()->profile()->index()->diggStories(4)->index()->category()->buryStories(2)->Category('general')->diggYours($story_id);
//while(($requests = $d->doNext())) {
//  $c->addArr($requests);
//  $c->perform();
//}
?>