public async void GetLongShouldReturnNotFoundIfExists()
{
var shortUrl = "XJF4FR";
//Arrange
var connection = new SqliteConnection("DataSource=:memory:");
connection.Open();
try
{
var options = new DbContextOptionsBuilder <UrlShortenerContext>()
.UseSqlite(connection)
.Options;
using (var context = new UrlShortenerContext(options))
{
context.Database.EnsureCreated();
}
using (var context = new UrlShortenerContext(options))
{
//Act
ShortenerController controller = new ShortenerController(context);
ActionResult result = (await controller.GetLong(shortUrl)).Result;
Assert.IsType <NotFoundResult>(result);
}
}
catch (Exception ex)
{
throw ex;
}
}
public AjaxResponseData AddNew(string text)
{
var response = new AjaxResponseData();
if (IsValidUrl(text))
{
Uri requestUrl = HttpContext.Current.Request.Url;
string requesthost = string.Format("{0}{1}{2}{3}",
requestUrl.Scheme,
Uri.SchemeDelimiter,
requestUrl.Authority,
"/");
var entities = new UrlShortenerContext();
var data = new ShortenedUrl();
data.OriginalUrl = text;
entities.ShortUrls.Add(data);
entities.SaveChanges();
response.Success = true;
response.Data = requesthost + data.Id;
}
else
{
response.Success = false;
response.Data = "Please enter valid URL";
}
return(response);
}
/// <summary>
/// Создание сжатой ссылки
/// </summary>
/// <param name="userUrl"><seealso cref="UserUrl"/></param>
/// <param name="userGuid">гуид пользователя</param>
/// <returns></returns>
public async Task <string> AddUserUrlAsync(UserUrl userUrl, Guid userGuid)
{
using (var context = new UrlShortenerContext())
{
if (userUrl == null || userGuid == Guid.Empty)
{
throw new NullReferenceException();
}
//есть такой пользователь в Бд?
var user = await context.Users.FirstOrDefaultAsync(x => x.UserGuid == userGuid);
var userId = user?.Id;
if (userId == null)
{
//добавляем в БД пользователя
var result = context.Users.Add(new User()
{
UserGuid = userGuid
});
userId = result.Id;
}
userUrl.UserId = (long)userId;
var newUrl = context.UserUrls.Add(userUrl);
await context.SaveChangesAsync();
return(newUrl.CompactUrl);
}
}
/// <summary>
/// Получить оригинальную ссылку по сжатой
/// </summary>
/// <param name="compactUrl">сжатая ссылка</param>
/// <returns></returns>
public async Task <string> GeOriginUrlByCompactUrlAsync(string compactUrl)
{
using (var context = new UrlShortenerContext())
{
var result = await(context.UserUrls.FirstOrDefaultAsync(x => x.CompactUrl == compactUrl));
return(result?.OriginUrl);
}
}
/// <summary>
/// Получение всех созданных ссылков текущего пользователя
/// </summary>
/// <param name="userGuid">гуид пользователя</param>
/// <returns></returns>
public async Task <List <UserUrl> > GetUserUrlAsync(Guid userGuid)
{
using (var context = new UrlShortenerContext())
{
return(await(context.Users.Where(p => p.UserGuid == userGuid)?.Join(context.UserUrls,
p => p.Id, userUrl => userUrl.UserId, (p, userUrl) => userUrl)).ToListAsync());
}
}
public Startup(IConfiguration configuration)
{
Configuration = configuration;
using (var db = new UrlShortenerContext())
{
db.Database.EnsureCreated();
}
}
/// <summary>
/// Инкремент кол-во переходов по ссылке
/// </summary>
/// <param name="compactUrl">ключ компактной ссылки</param>
/// <returns></returns>
public async Task IncrementNumberOfViewAsync(string compactUrl)
{
using (var context = new UrlShortenerContext())
{
var userUrl = await context.UserUrls.FirstOrDefaultAsync(x => x.CompactUrl == compactUrl);
if (userUrl != null)
{
userUrl.NumberOfViews += 1;
await context.SaveChangesAsync();
}
}
}
public async void GetLongShouldReturnSuccessIfExists()
{
var longUrl =
"https://www.google.com/search?q=url+shortener&oq=google+u&aqs=chrome.0.69i59j69i60l3j0j69i57.1069j0j7&sourceid=chrome&ie=UTF-8";
var shortUrl = "XJF4FR";
//Arrange
var connection = new SqliteConnection("DataSource=:memory:");
connection.Open();
try
{
var options = new DbContextOptionsBuilder <UrlShortenerContext>()
.UseSqlite(connection)
.Options;
using (var context = new UrlShortenerContext(options))
{
context.Database.EnsureCreated();
}
using (var context = new UrlShortenerContext(options))
{
context.Urls.Add(new Url()
{
created = DateTime.Now, long_url = longUrl, short_url = shortUrl, updated = DateTime.Now
});
context.SaveChanges();
}
using (var context = new UrlShortenerContext(options))
{
//Act
ShortenerController controller = new ShortenerController(context);
string result = (await controller.GetLong(shortUrl)).Value;
//Assert
Assert.Equal(longUrl, result);
}
}
catch (Exception ex)
{
throw ex;
}
}
private static string GetUniquePart(UrlShortenerContext context)
{
var uniquePart = string.Empty;
for (var i = 0; i < 10; i++)
{
uniquePart = Guid.NewGuid().ToString("N").Replace('-', ' ').Substring(0, 10);
var existingPart = context.ShortUrlDatas.FirstOrDefault(sud => sud.UniquePart.Equals(uniquePart));
if (existingPart == null)
{
break;
}
}
if (uniquePart.Equals(string.Empty))
{
throw new ShortUrlCreationException();
}
return(uniquePart);
}
public void OnBeginRequest(Object source, EventArgs e)
{
var context = (HttpApplication)source;
if (context.Request.Url.AbsolutePath.Contains("/url/"))
{
var path = context.Request.Url.AbsolutePath.Remove(0, 1);
var id = ShortUrlHelper.Decode(path);
using (var DBcontext = new UrlShortenerContext())
{
var query = from item in DBcontext.ShortUrls
where item.Id == id
select item.OriginalUrl;
var redirectPath = query.FirstOrDefault();
if (redirectPath != null)
{
context.Response.Redirect(redirectPath);
}
}
}
}
public static Task <ShortUrlData> ShortUrl(HttpRequest request, UrlShortenerContext context, string longUrl)
{
return(Task.Run(() =>
{
bool isUrl = Uri.TryCreate(longUrl, UriKind.Absolute, out Uri uriResult) &&
(uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps);
if (!isUrl)
{
throw new ShortUrlNotUrlException();
}
var existingUrl = context.ShortUrlDatas.FirstOrDefault(sud => sud.LongUrl.Equals(uriResult.AbsoluteUri));
if (existingUrl != null)
{
throw new ShortUrlExistsException();
}
var uniquePart = GetUniquePart(context);
var shortUrl = GetShortUrl(request, uniquePart);
var shortUrlData = new ShortUrlData
{
LongUrl = uriResult.AbsoluteUri,
ShortUrl = shortUrl,
UniquePart = uniquePart,
Statistic = new Statistic()
};
context.ShortUrlDatas.Add(shortUrlData);
context.SaveChanges();
return shortUrlData;
}));
}
public UrlShortenerService(UrlShortenerContext urlShortenerContext)
{
_urlShortenerContext = urlShortenerContext;
}
public UrlShortenerRepository(UrlShortenerContext context)
{
_context = context ?? throw new ArgumentNullException(nameof(context));
}
public UrlsController(UrlShortenerContext context)
{
_context = context;
}
public LinkRepo(UrlShortenerContext context) : base(context)
{
}
public GetUrlFromLongUrlQueryHandler(UrlShortenerContext context)
{
_context = context;
}
public UrlController(UrlShortenerContext c)
{
Context = c;
}
public AccountService(UrlShortenerContext context)
{
_context = context;
}
public UrlAliasesRepository(UrlShortenerContext context)
{
_context = context;
}
public ShortUrlService(UrlShortenerContext context)
{
_context = context;
}
public StatisticsController(UrlShortenerContext c)
{
Context = c;
}