void AddUserLike(WallPostLike like)
{
if (like.User == null)
{
return;
}
if (Users.ContainsKey(like.User.Id))
{
return;
}
UserModel model = AppModel.Instance.UsersModelsWrapper.UsersModels.Find(like.User.Id);
bool isNew;
if (model == null)
{
model = AppModel.Instance.UsersModelsWrapper.AddModel(like.User, out isNew);
}
Users.Add(like.User.Id, model);
Device.BeginInvokeOnMainThread(() => {
InsertItem(0, model);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(
NotifyCollectionChangedAction.Add, model));
});
}
protected override void OnResult(AddWallPostLike result)
{
WallPostLike like = new WallPostLike()
{
Id = result.Id,
CreatedAtTime = result.CreatedAtTime,
UpdatedAtTime = result.UpdatedAtTime,
User = User,
Post = WallPost.Id,
UserId = User.Id
};
AppModel.Instance.WallPostLikes.AddOne(like);
DbClient.Instance.SaveItemData <WallPostLike> (like).ConfigureAwait(false);
}
public LikeResult LikeWallPost(int userId, int postId)
{
User user = ctx.Users.First(u => u.Id == userId);
WallPost post = ctx.UserPosts.First(p => p.Id == postId);
if (ctx.UserPostLikes.Any(l => l.LikerId == user.Id && l.WallPostId == postId))
{
List <WallPostLike> likes =
ctx.UserPostLikes.Where(l => l.LikerId == user.Id && l.WallPostId == postId).ToList();
ctx.UserPostLikes.RemoveRange(likes);
ctx.SaveChanges();
return(LikeResult.Unliked);
}
else
{
WallPostLike like = new WallPostLike();
like.WallPost = post;
like.WallPostId = post.Id;
like.Liker = user;
like.LikerId = user.Id;
ctx.UserPostLikes.Add(like);
if (post.Owner.Id != user.Id)
{
Notification notification = Notification.From(DateTime.Now, NotificationType.WallPostWritten,
user, post.Owner, "@" + user.Username + " оцінив запис на вашій стіні", "/Home/Post/" + postId);
ctx.Notifications.Add(notification);
}
ctx.SaveChanges();
return(LikeResult.Liked);
}
}
