public async Task <ActionResult <Task> > PostTask([FromBody] Task task)
        {
            _context.Tasks.Add(task);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetTask", new { id = task.Id }, task));
        }
        public async Task <ActionResult <Task> > PutTask(int id, [FromBody] Task task)
        {
            if (id != task.Id)
            {
                return(BadRequest());
            }

            _context.Entry(task).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();

                return(Ok(task));
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TaskExists(id))
                {
                    return(BadRequest());
                }
                else
                {
                    throw;
                }
            }
        }