public async Task <IActionResult> UpdateCovidItem(long id, CovidItemDTO covidItemDTO)
        {
            if (id != covidItemDTO.Id)
            {
                return(BadRequest());
            }

            var covidItem = new CovidItem {
                Id         = covidItemDTO.Id,
                IsComplete = covidItemDTO.IsComplete,
                Name       = covidItemDTO.Name
            };

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

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!CovidItemExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <CovidItemDTO> > PostCovidItem(CovidItemDTO covidItemDTO)
        {
            var covidItem = new CovidItem {
                IsComplete = covidItemDTO.IsComplete,
                Name       = covidItemDTO.Name
            };

            _context.CovidItems.Add(covidItem);
            await _context.SaveChangesAsync();

            return(CreatedAtAction(nameof(GetCovidItem), new { id = covidItemDTO.Id }, ItemToDTO(covidItem)));
        }