<?php
namespace data;

use Helpers\View as view;
use Helpers\Curl;

class DataService
{
	private $db;				//传入PDO对象.
	
	//使用到的公共变量
	public $tbl_dataservice = "dataservice";
	
	function __construct($db = NULL)
	{
		if(empty($db))
		{
			$this->db = \Zend_Registry::get('db');
		}else{
			$this->db = $db;
		}
		
		$this->config = \Zend_Registry::get('config');
	}
	
	function Fetch()
	{
		$sql = "SELECT * FROM ".$this->tbl_dataservice."";
		$rs = $this->db->query($sql);
		return $rs->fetchAll();
	}
	
	function get($uuid)
	{
		$sql = "SELECT * FROM ".$this->tbl_dataservice." WHERE uuid='$uuid' LIMIT 1";
		$rs = $this->db->query($sql);
		return $rs->fetch();
	}
	
	public function getWsnData($type,$uuid = "",$param = ""){
	
		$info = $this->get($uuid);
		
		$curl = new Curl();
		
		$uid = view::User('id');
		
		if(!is_numeric($uid) || $uid <1)
		{
			return "请先登录";
		}
			
		if($type == 'site')
		{
			$param = array(
				'uuid'=>$uuid,
				//'uuid'=> 'b7beb8bf-58d9-4e58-a945-7b6e1dc7705f', ///TEST TEST TEST
				'uid'=> view::User('id')
			);
			$data = $curl->request($info['service_url']."site/",$param,"POST");
			$data = json_decode($data['response'],TRUE);
		}//site

		if($type == 'var')
		{
			$param_temp = array(
				'uuid'=>$uuid,
				//'uuid'=> 'b7beb8bf-58d9-4e58-a945-7b6e1dc7705f', ///TEST TEST TEST
				'uid'=> view::User('id'),
			);
			$param = array_merge($param,$param_temp);
			$data = $curl->request($info['service_url']."var/",$param,"POST");
			$data = json_decode($data['response'],TRUE);
		}
		
		if($type == 'submit')
		{
			$param_temp = array(
				'uuid'=>$uuid,
				//'uuid'=> 'b7beb8bf-58d9-4e58-a945-7b6e1dc7705f', ///TEST TEST TEST
				'uid'=> view::User('id'),
			);
			$param = array_merge($param,$param_temp);
			
			$data = $curl->request($info['service_url']."insert/",$param,"POST");
			$data = json_decode($data['response'],TRUE);
		}
		
		if($data['status'] == 0)
		{
			return $data['error'];
		}
		
		else if($data['status'] == 1)
		{
			return $data['data'];
		}
		
		else
		{
			return NULL;
		}
	}//获取Wsn数据
	
	//访问wsn端生成数据的webservice
	public function makeWsnData($param)
	{
		$param_temp = array(
			//'uuid'=> 'b7beb8bf-58d9-4e58-a945-7b6e1dc7705f', ///TEST TEST TEST
		);
		$param = array_merge($param,$param_temp);
		
		$url = "http://ftp2.westgis.ac.cn/wsndata.php";
		$curl = new Curl();
		$data = $curl->request($url,$param);
		$data = json_decode($data['response'],TRUE);
	}
}