<p> var MF  = acre.require("MANIFEST");
var MQL = acre.require(MF.libBase+"MQL");

var NS = MF.NS;
var ITEM_TYPE = MF.NS + '/scheme/item';

function getItemById(id,qExt)
{
  
  var e = MQL.read({"type": ITEM_TYPE ,id:MF.TOPIC+'/'+id,"*": null
                    ,item_type:{id:null,key:null}
                    ,city_sector:{id:null,key:null}

,
  "resource": [{
    "kind": {
      "id": null, key:{value:null}
    },
    "url": null,
    "icon": null,
    "optional": "optional"
  }]
                    ,"z:state":"normal"
                    ,"limit":1}
                   ,qExt);
  if (!e){
    e = {item_id:id,name:"#"+id,state:'not_found'};
  }
  e.images = Array.scan(e.resource,[],function(i,v){if (v.kind.key.value=="picture")this.push(v)},[null,null]);
  //Array.scan(e.cost,[],function(i,v){v.kind=v.kind.key;},[null,null]);
  
  console.log('e='+id,e);
  return e ;
}


// writes result object in common way
function writeResultObject(obj)
{
  var json = JSON.stringify(obj,null,5);
  var callback= acre.request.params["callback"];
  acre.write(callback?(callback+'('+json+')'):json);
}

  
function getLocationUrl(lat, lng)
{
  return "http://maps.google.com/maps?f=q&amp;hl=en&amp;ie=UTF8&amp;z=14&amp;spn=0.052278,0.070982&amp;output=embed"
            +"&amp;q="+lat+","+lng
            +"&amp;ll="+lat+","+lng
            +"&amp;sll="+lat+","+lng
    
 }

  
function getLastTimestamp(lag1)
{
    var lag = acre.keystore.get('timestamp.com')[0];
    var q = MQL.read({"id": NS,"lastTimestamp": null,type:MF.NS + '/scheme/app'});
    var ts = q &amp;&amp; q["lastTimestamp"];
    var d1 = ts ? Date.shifted(Date.parse(ts,"yyyy-MM-ddTHH:mm:ss"),lag) : (new Date());
    var p1 = d1.format("yyyy_MM_dd_HH_mm");
    console.log('getLastTimestamp:',p1, ts);
    return p1;
}

function fetchFacebookApplicationAccessToken()
{
  //MQL.checkAuthorized();
    var cred = acre.keystore.get('graph.facebook.com');
    var access_token = acre.urlfetch('https://graph.facebook.com/oauth/access_token?type=client_cred'
      +'&amp;client_id='+cred[0]
      +'&amp;client_secret='+cred[1]);
    access_token = String.after(access_token.body,'access_token=')
  
    console.log('access_token=',access_token);
    return access_token;
}
    
     
function postToFacebook(e, access_token)
{
    var cred = acre.keystore.get('ga.page.fb.com');
    var result = acre.urlfetch('https://graph.facebook.com/feed?access_token=' +encodeURIComponent(cred[1])
          
          ,{method:"POST",content:'message='+encodeURIComponent(e.title) 
          +'&amp;id='+encodeURIComponent('129253963800913')
          +'&amp;link='+encodeURIComponent(e.link)
          +'&amp;picture='+encodeURIComponent(e.image)
          +'&amp;description='+encodeURIComponent(e.description||'')
          +'&amp;caption='+encodeURIComponent(e.caption||'')});
  
    console.log('result=',result.body);
    var body = JSON.parse(result.body);
    return body &amp;&amp; body.id;
 }
    
function postToMongoLab(e)
{
    var cred = acre.keystore.get('ga.mongolab.com');
    var name = {"ru":e.title_ru,"en": e.title,"cn":"魅力公寓" + e.title}
    var VIDEO  = {  source: [{type: 'mp4',src:  'http://video-js.zencoder.com/oceans-clip.mp4'}],poster: {src:e.icon, size:{width:100, height:100}}}
    var PANO_URL ='/html/js/libs/krpano/krpano.swf'
    var item = {
    id:e.item_id,
    active: (e.state_id!='1'),
    created: e.updated, 
    modified: e.updated,
    num:e.item_num,
    type:e.item_type,
    name:name ,
    descriptions:[],
    icon: e.icon,
    url: e.url,
    ,
    // private    
    private: {   
         meta: {
           // title
           title: name, 
           // keywords
           keywords: {"ru":"глазированая квартира","en": "Glamour apartment","cn":"魅力公寓"} , //TODO
           description: {"ru":e.description_ru,"en": e.description,"cn":"魅力公寓" + e.description},
           canonical_url: e.url,
           shared_image: {src:e.icon, size:{width:100, height:100}}
        }
            
    }
    ,
    // apartment capacity:
    capacity: {
        guests: e.capacityMax, // sleeps
        living_space: e.squire,
        rooms:e.room_count,
        bedrooms: e.bedroom_count,
        bathrooms: e.bathroomCount,
        single_beds: e.singleBedCount,
        double_beds: e.doubleBedCount,
        child_beds: e.childBedCount
    }
    ,
    // ranking
    category: 'standard', //TODO
    glamourity: e.rank,
    rating : { would_stay_again:7, reviews:e.reviews, rate1:2, rate2:5, rate3:8, rate4:9, rate5:8 } //TODO
    ,      
    // locality   
    location: {
          country: 'FR',
          city: 'paris',
          district: e.area.id, 
          etage:2, //TODO
          rank: e.address_rank,
          metro: ['station1'], //TODO
          geo: { lat:e.latitude  ,lng:e.longitude}
    }
    ,
    // media resources
    media:{
        images: []
        ,
        video: {
           low: VIDEO ,
           sd: VIDEO ,
           hd: VIDEO 
        },
        pano: {
            url: PANO_URL
        }
    }
    ,
    amenities: []
    ,
    // commerce
    availability: [
       periods:[{start:'20120420', end:'20120426', state:'busy_by_owner'}, {start:'20120520', end:'20120526', state:'busy_by_ga'}]
       expired : '20120930', // comment
       minimal_stay_period: {date_period:'week',amount:1},//TODO
       rent_type: "any",//TODO |short|long
    }
    ,
    price:{
          amount_per_night: e.price
        , amount_per_week: e.price*7
        , amount_per_month: e.price*30
        , is_best_offer: e.rank&gt;3
        ,//TODO
        rates : []
        ,
        extras: {"ru":"глазум ипсум квартираниум на неделю вперёд и с вас плюс пицот за пылесос каждый день","en": "In all cases we have a 4 day minimum stay expect over the Christmas holidays where we have a one week minimum.","cn":"魅力公寓"}
    }
    other: {
        "calendar": e.url
    }
 
  }
    for (var i=0;i</p>