public async Task <bool> Follow(string PostId)
{
ILiquidationPostItemService postItemService = DependencyService.Get <ILiquidationPostItemService>();
var isFollow = await postItemService.Follow(PostId, UserLogged.Id);
var currentPost = this.Data.Where(x => x.Id == PostId).SingleOrDefault();
if (currentPost != null)
{
currentPost.IsFollow = isFollow;
}
return(isFollow);
}