public IEnumerable<PostViewModel> BuildFeed()
{
if (null == _postViews)
{
_postViews = new List<PostViewModel>();
var feeders = _user.Friends;
feeders.Add(_user.Id);
var posts = new List<Post>();
foreach (var feeder in feeders)
{
posts.AddRange(_postRepository.ByUser(feeder));
}
var users = ParseUniqueUser(posts);
foreach (var post in posts)
{
var view = new PostViewModel
{
Id = post.Id,
Message = post.Message,
PostedBy = users[post.PostedBy],
PostedOn = post.PostedOn,
LikedBy = post.LikedBy.Select(s => users[s]).ToList()
};
view.LikeCount = view.LikedBy.Count;
var vComments = post.Comments.Select(comment => new CommentViewModel
{
CommentedOn = comment.CommentedOn.ToLocalTime(),
Description = comment.Description,
Id = comment.Id,
CommentedBy = users[comment.CommentedBy]
}).ToList();
view.Comments = vComments;
view.LikedByMe = post.LikedBy.Any(u => u.Equals(_user.Id));
_postViews.Add(view);
}
_postViews = _postViews.OrderByDescending(model => model.PostedOn).Take(30).ToList();
}
return _postViews;
}
// POST api/post
public IHttpActionResult Post(PostBindingModel post)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
var postedBy = _userRepository.FindById(User.Identity.GetUserId());
var model = new Post()
{
Message = post.Message,
PostedBy = postedBy.Id,
PostedOn = DateTime.UtcNow,
LikedBy = new List<string>(),
Comments = new List<Comment>()
};
model.PostedBy = User.Identity.GetUserId();
_postRepository.Insert(model);
var vModel = new PostViewModel
{
Id = model.Id,
Message = post.Message,
PostedBy = AutoMapper.Mapper.Map<ApplicationUser, ApplicationUserViewModel>(postedBy),
LikeCount = model.LikeCount,
LikedBy = new List<ApplicationUserViewModel>(),
Comments = new List<CommentViewModel>()
};
return Ok(vModel);
}