public UrlPairDto makeShort(string longUrl)
{
#region contracts
if (longUrl == null)
{
throw new ArgumentException("longUrl cannot be null");
}
#endregion
UrlPair urlData = new UrlPair();
#region Generate a new code first
urlData.urlHash = shortHash(longUrl);
urlData.shortURL = NewUniqueCode(urlData.urlHash);
#endregion
urlData.longURL = longUrl;
urlData.DateCreate = DateTime.UtcNow;
UrlPairDto newUrlDto = Create(urlData);
return(newUrlDto);
}
public void Delete(UrlPair urlData)
{
urlDbContext.UrlTable.Attach(urlData);
urlDbContext.UrlTable.Remove(urlData);
urlDbContext.SaveChanges();
}
public IHttpActionResult Post(string url)
{
#region contracts
if (!Regex.IsMatch(url, ""))
{
return(BadRequest("url is not in correct format. "));
}
#endregion
UrlService urlService = new UrlService();
{
UrlPair resultRecord = urlService.ReadbyHash(url);
HttpResponseMessage response = new HttpResponseMessage();
if (resultRecord != null)
{
UrlPairDto recordUrl = resultRecord.ToUrlDto();
response = Request.CreateResponse(HttpStatusCode.Created, recordUrl);
return(ResponseMessage(response));
}
UrlPairDto shortUrl = urlService.makeShort(url);
response = Request.CreateResponse(HttpStatusCode.Created, shortUrl);
return(ResponseMessage(response));
}
}
public IHttpActionResult RemoveUrl(string url)
{
#region contracts
if (!Regex.IsMatch(url, ""))
{
return(BadRequest("url is not in correct format. "));
}
#endregion
UrlService urlService = new UrlService();
{
UrlPair urlPair = urlService.Read(url);
if (urlPair is null)
{
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.NotFound, "Not Found");
return(ResponseMessage(response));
}
else
{
urlService.Delete(urlPair);
}
return(Ok(urlPair));
}
}
public static Url_Shortner.DataTransferObject.UrlPairDto ToUrlDto(this UrlPair urlPair)
{
var config = new MapperConfiguration(cfg => {
cfg.CreateMap <UrlPair, UrlPairDto>();
});
IMapper iMapper = config.CreateMapper();
var destination = iMapper.Map <UrlPair, UrlPairDto>(urlPair);
return(destination);
}
public UrlPair Read(string shortUrl)
{
if (shortUrl == default(string))
{
throw new ArgumentNullException(nameof(shortUrl));
}
UrlPair urlData = urlDbContext.UrlTable.Where(x => x.shortURL == shortUrl).FirstOrDefault();
return(urlData);
}
public UrlPair ReadbyHash(string longUrl)
{
if (longUrl == default(string))
{
throw new ArgumentNullException(nameof(longUrl));
}
int num = shortHash(longUrl);
UrlPair urlData = urlDbContext.UrlTable.Where(x => x.urlHash == num).FirstOrDefault();
return(urlData);
}
public UrlPairDto Create(UrlPair urlData)
{
#region contracts
if (urlData == null)
{
throw new ArgumentException("urlData cannot be null");
}
#endregion
urlDbContext.UrlTable.Add(urlData);
urlDbContext.SaveChanges();
return(urlData.ToUrlDto());
}
