public async Task Put(int id, Todo todo)
{
var oldTodo = await Get(id);
oldTodo.Task = todo.Task;
oldTodo.IsCompleted = todo.IsCompleted;
await _ctx.SaveChangesAsync();
}
public async Task<HttpResponseMessage> Post(Todo todo)
{
_ctx.Todos.Add(todo);
await _ctx.SaveChangesAsync();
return Request.CreateResponse(HttpStatusCode.Created);
}