public IActionResult UnDelete(string key)
{
HttpRequest req = Request;
if (IsUnauthorizedCaller(req))
{
return(Unauthorized());
}
if (key.Length == 0)
{
return(BadRequest("URL value is required."));
}
// Check if the deleted URL exists
LittleUrl item = _littleUrlMongoContext.GetUrl(key.ToLower(), true);
if (item == null)
{
return(NotFound("URL does not exist."));
}
// Found document; UnDelete
item = _littleUrlMongoContext.ToggleDelete(key.ToLower(), false);
// return deleted item
return(Ok(item));
}
// GET:
public IActionResult Fetch(string urlkey = null)
{
try
{
if (!string.IsNullOrEmpty(urlkey))
{
string sResult = _apiHelper.GetUrlByKey(urlkey).Result;
if (!string.IsNullOrEmpty(sResult))
{
LittleUrl url = JsonConvert.DeserializeObject <LittleUrl>(sResult);
return(View(url));
}
else
{
ViewData["ErrorMessage"] = "Your Little Url was not found in store.";
}
}
return(View());
}
catch (Exception ex)
{
TempData.Add("ErrorMessage", String.IsNullOrEmpty(ex.InnerException?.Message ?? "") ? ex.Message : ex.InnerException.Message);
return(RedirectToAction("Error"));
}
}
public IActionResult Show()
{
// Get result from tempData
string sResult = (string)TempData["urlResult"];
if (!String.IsNullOrEmpty(sResult))
{
LittleUrl url = JsonConvert.DeserializeObject <LittleUrl>(sResult);
// Set base address
url.BaseAddressPrefix = MyLittleUrlWebAPIHelper.BaseAddressPrefix;
// set ReductionRate
float fVal = 0;
if (!String.IsNullOrEmpty(url.LongUrl) && !String.IsNullOrEmpty(url.ShortUrl))
{
fVal = 100 * (((float)url.LongUrl.Length - (float)(url.BaseAddressPrefix.Length + url.ShortUrl.Length)) / (float)url.LongUrl.Length);
}
TempData["ReductionRate"] = fVal.ToString("0.00");
return(View(url));
}
return(RedirectToAction("Index"));
}
// POST
public IActionResult Create(string urlToEncode)
{
try
{
if (string.IsNullOrEmpty(urlToEncode))
{
return(RedirectToAction("Index"));
}
if (urlToEncode.StartsWith(MyLittleUrlWebAPIHelper.BaseAddressPrefix, StringComparison.CurrentCultureIgnoreCase))
{
TempData.Add("ErrorMessage", "Invalid attempt. This is already a LittleURL.");
return(RedirectToAction("Error"));
}
string sResult = _apiHelper.CreateNewUrl(urlToEncode).Result;
LittleUrl url = JsonConvert.DeserializeObject <LittleUrl>(sResult);
return(RedirectToAction("Index", new { key = url.ShortUrl }));
}
catch (Exception ex)
{
TempData.Add("ErrorMessage", String.IsNullOrEmpty(ex.InnerException?.Message ?? "") ? ex.Message : ex.InnerException.Message);
return(RedirectToAction("Error"));
}
}
public async Task <string> CreateNewUrl(string longUrl)
{
try
{
LittleUrl newItem = new LittleUrl {
LongUrl = longUrl
};
HttpResponseMessage httpResponse = await _httpClient.PostAsJsonAsync("api/littleurl", newItem);
if (httpResponse.StatusCode == HttpStatusCode.ServiceUnavailable)
{
Exception noServiceEx = new Exception(httpResponse.ReasonPhrase);
throw noServiceEx;
}
httpResponse.EnsureSuccessStatusCode();
//newItem = await httpResponse.Content.ReadAsAsync<LittleUrl>();
//return newItem.ShortUrl;
string sRet = await httpResponse.Content.ReadAsStringAsync();
return(sRet);
}
catch (Exception)
{
throw;
}
}
// GET: /<controller>/
public IActionResult Load(string key)
{
if (!string.IsNullOrEmpty(key))
{
string sResult = _apiHelper.GetUrlByKey(key).Result;
if (!string.IsNullOrEmpty(sResult))
{
LittleUrl url = JsonConvert.DeserializeObject <LittleUrl>(sResult);
return(Redirect(url.LongUrl));
}
else
{
TempData.Add("ErrorMessage", "Your Little Url was not found in store.");
return(RedirectToAction("Error"));
}
}
return(RedirectToAction("Index"));
}
public IActionResult AddToList([FromBody] LittleUrl lUrl)
{
HttpRequest req = Request;
if (IsUnauthorizedCaller(req))
{
return(Unauthorized());
}
if (lUrl.LongUrl.Length == 0)
{
return(BadRequest("URL value is required."));
}
// Check if the URL already exists
LittleUrl item;
// item = _littleUrlContext.littleUrlList.FirstOrDefault(url => url.LongUrl == lUrl.LongUrl.ToLower());
item = _littleUrlMongoContext.CheckUrl(lUrl.LongUrl);
if (item == null)
{
// create
item = new LittleUrl {
UrlId = GetNextId(), LongUrl = lUrl.LongUrl, ShortUrl = GetNewKey()
};
//_littleUrlContext.littleUrlList.Add(item);
//_littleUrlContext.SaveChanges();
_littleUrlMongoContext.InsertUrl(item);
}
// return created/found item
return(CreatedAtRoute("GetByKey", new { key = item.ShortUrl }, item));
}
public IActionResult GetByKey(string key)
{
HttpRequest req = Request;
if (IsUnauthorizedCaller(req))
{
return(Unauthorized());
}
if (key.Length == 0)
{
return(BadRequest("Key value required."));
}
// LittleUrl item = _littleUrlContext.littleUrlList.FirstOrDefault(url => url.ShortUrl == key.ToLower());
LittleUrl item = _littleUrlMongoContext.GetUrl(key.ToLower(), false);
if (item == null)
{
return(NotFound("URL does not exist."));
}
return(Ok(item));
}
public IActionResult Undelete(string urlKey)
{
try
{
if (!string.IsNullOrEmpty(urlKey))
{
string sResult = _apiHelper.Undelete(urlKey).Result;
if (!string.IsNullOrEmpty(sResult))
{
if (sResult.StartsWith("{", StringComparison.CurrentCultureIgnoreCase))
{
LittleUrl url = JsonConvert.DeserializeObject <LittleUrl>(sResult);
if (url != null && url.ShortUrl == urlKey)
{
return(RedirectToAction("List"));
}
}
else
{
TempData["ErrorMessage"] = sResult;
}
}
}
else
{
TempData["ErrorMessage"] = "Invalid or empty Little Url.";
}
return(RedirectToAction("Error"));
}
catch (Exception ex)
{
TempData.Add("ErrorMessage", String.IsNullOrEmpty(ex.InnerException?.Message ?? "") ? ex.Message : ex.InnerException.Message);
return(RedirectToAction("Error"));
}
}
private string _SerializeAsJson(LittleUrl item)
{
return("{ " + String.Format("\"id\": {0}, \"longUrl\": \"{1}\", \"shortUrl\": \"{2}\"",
item.UrlId, item.LongUrl, item.ShortUrl) + " }");
}
