public async Task <IActionResult> Post([FromQuery] string longUrl)
{
if (longUrl.Length > 2048)
{
return(new BadRequestObjectResult("Url too long. Limit 2K"));
}
var mapping = new UrlMapping {
Url = longUrl
};
dbContext.Add(mapping);
await dbContext.SaveChangesAsync();
string shortUrl = Shortener.Encode(mapping.Id);
return(new OkObjectResult(new { Long = longUrl, Short = Url.Action("Get", new { shortUrl = shortUrl }) }));
}