public void RemoveStroke([FromBody] Guid id)
{
Stroke stroke = db.Strokes.FirstOrDefault(s => s.Id == id);
if (stroke == null)
{
return;
}
List <string> userIds = stroke.Board.Room.Users.Select(u => u.Id).ToList();
db.Strokes.Remove(stroke);
db.SaveChanges();
PaintHub.RemoveStroke(userIds, id);
}
public Guid AddStroke(AddStrokeData data)
{
Stroke s = new Stroke()
{
Id = Guid.NewGuid(),
BoardId = data.BoardId,
Data = data.Data
};
db.Strokes.Add(s);
db.SaveChanges();
List <string> userIds = db.Boards.First(b => b.Id == data.BoardId).Room.Users.Select(u => u.Id).ToList();
PaintHub.AddStroke(userIds, new StrokeData()
{
Id = s.Id, Data = data.Data, BoardId = data.BoardId
});
return(s.Id);
}