public async Task <ActionResult <CompanyAbout> > PostCompanyAbout(CompanyAbout companyAbout)
        {
            _context.CompanyAbout.Add(companyAbout);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetCompanyAbout", new { id = companyAbout.AvioCompID }, companyAbout));
        }
        public async Task <IActionResult> PutCompanyAbout(int id, [FromBody] CompanyAbout companyAbout)
        {
            //if (id != companyAbout.AvioCompID)
            //{
            //    return BadRequest();
            //}

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

            var ca = _context.CompanyAbout.FirstOrDefault(x => x.AvioCompID == companyAbout.AvioCompID);

            ca.CompanyFlights = companyAbout.CompanyFlights;
            foreach (var item in ca.CompanyFlights)
            {
                _context.Entry(item).State = item.FlightID == 0 ? EntityState.Added : EntityState.Modified;
            }

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

            return(NoContent());
        }