derji

.factory('feed', function($http, vk, $localStorage){
  var owner_id = '-34882023';
  var version = '5.34';
  var count = '5';
  var items = [];
  var liked;
  var isLiked = function(itemId){
    return vk.call('likes.isLiked', {item_id: itemId, owner_id: owner_id, access_token: $localStorage.token, type: 'post', v: version}).then(function(result){
        return result;
      }, function(err){console.log('err' + err)});
  };
  return {
    getFeed: function(offset){
      return vk.call('wall.get', {owner_id: owner_id, offset: offset, count: count, v: version}).then(function(res){
        console.log(res);
        items = res.data.response.items;
        for(var i = 0; i < items.length; i++){
          isLiked(items[i].id).then(function(ress){
            if(ress.data.response.liked == true){
              console.log(items[i]);
            }
          });
        }
        return items;
      }, function(err){
        console.log('cant call');
      });
    },

...