/C#/How to save pdf file in web api asp.net core

How to save pdf file in web api asp.net core

.net core web api save pdf file in local folder

public class HomeController : Controller
{
    private readonly IHostingEnvironment _hostingEnv;
    private readonly ApplicationDbContext _context;

    public HomeController(IHostingEnvironment hostingEnv,ApplicationDbContext context)
    {
        _hostingEnv = hostingEnv;
        _context = context;
    }

    [HttpPost]
    [ValidateAntiForgeryToken]
    public async Task<IActionResult> Index(EngineerVM engineerVM)
    {
        if (engineerVM.File != null)
        {
            //upload files to wwwroot
            var fileName = Path.GetFileName(engineerVM.File.FileName);
            //judge if it is pdf file
            string ext =Path.GetExtension(engineerVM.File.FileName);
            if(ext.ToLower() != ".pdf")
            {
                return View();
            }
            var filePath = Path.Combine(_hostingEnv.WebRootPath, "images", fileName);

            using (var fileSteam = new FileStream(filePath, FileMode.Create))
            {
                await engineerVM.File.CopyToAsync(fileSteam);
            }
            //your logic to save filePath to database, for example

            Engineer engineer = new Engineer();
            engineer.Name = engineerVM.Name;
            engineer.FilePath = filePath;

            _context.Engineers.Add(engineer);
            await _context.SaveChangesAsync();
        }
        else
        {

        }
        return View();
    }
}

Source: stackoverflow.com

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