public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
ILogger log, ExecutionContext context)
{
try
{
var config = new ConfigurationBuilder()
.SetBasePath(context.FunctionAppDirectory)
.AddJsonFile("local.settings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables()
.Build();
var cstr = config.GetConnectionString("SqlConnectionString");
var setting1 = config["Setting1"];
log.LogInformation(cstr);
log.LogInformation(setting1);
AzureStorageAccount = ShortnerHelper.AzureStorageAccount = config["AzureStorageAccount"];
AzureStorageConnectionSecretKey = ShortnerHelper.AzureStorageConnectionSecretKey = config["AzureStorageConnectionSecretKey"];
UrlShortnerTableName = ShortnerHelper.UrlShortnerTableName = config["UrlShortnerTableName"];
UrlRetreivelTableName = ShortnerHelper.UrlRetreivelTableName = config["UrlRetreivelTableName"];
// log.Info(cstr);
// log.Info(setting1);
log.LogInformation("C# HTTP trigger function processed a request.");
string requestJson = await new StreamReader(req.Body).ReadToEndAsync();
global::ShortnerHelper.ShortnerRequestJson shortnerRequestData = JsonConvert.DeserializeObject <global::ShortnerHelper.ShortnerRequestJson>(requestJson);
//Generate the short code
operationResult opr = ShortnerHelper.GenerateShortCode(shortnerRequestData);
string output = JsonConvert.SerializeObject(opr);
return((ActionResult) new OkObjectResult($" {output}"));
}
catch (Exception ex)
{
return((ActionResult) new OkObjectResult($" asdasda"));
}
}
//public static string GenerateShortCode(ShortnerRequestJson ShortnerRequestJson)
// {
// string md5hashOfUrl = CalculateMD5Hash(ShortnerRequestJson.Url);
// Azure.Storage.TableStorage<ShortCodeGenrator> shortcodegen = new Azure.Storage.TableStorage<ShortCodeGenrator>(UrlShortnerTableName, AzureStorageAccount, AzureStorageConnectionSecretKey);
// ShortCodeGenrator existingShortCodeForUrl = shortcodegen.GetEntityByPartitionKeyAndRowKey("abc", md5hashOfUrl);
// if (existingShortCodeForUrl != null)
// {
// return existingShortCodeForUrl.ShortCode;
// }
// else
// {
// var newShortCodeForurl = string.Empty;
// if(string.IsNullOrEmpty(ShortnerRequestJson.RequestedShortCode))
// {
// newShortCodeForurl = GenerateRandomShortCode();
// }
// else
// {
// newShortCodeForurl = ShortnerRequestJson.RequestedShortCode;
// }
// ShortCodeGenrator shortCodeGenratorobj = new ShortCodeGenrator()
// {
// PartitionKey = "abc",
// RowKey = md5hashOfUrl,
// ShortCode = newShortCodeForurl
// };
// shortcodegen.CreateEntity(shortCodeGenratorobj);
// Azure.Storage.TableStorage<ShortCodeRetreival> shortcoderetreival = new Azure.Storage.TableStorage<ShortCodeRetreival>(UrlRetreivelTableName, AzureStorageAccount, AzureStorageConnectionSecretKey);
// ShortCodeRetreival insertCode = new ShortCodeRetreival()
// {
// PartitionKey = "abc",
// RowKey = newShortCodeForurl,
// Url = ShortnerRequestJson.Url,
// shortCode = newShortCodeForurl,
// Country = ShortnerRequestJson.Country,
// IpAddress = ShortnerRequestJson.IpAddress,
// AccessCount = 0
// };
// shortcoderetreival.CreateEntity(insertCode);
// return newShortCodeForurl;
// }
// }
public static operationResult GenerateShortCode(ShortnerRequestJson ShortnerRequestJson)
{
operationResult opr = new operationResult();
string md5hashOfUrl = CalculateMD5Hash(ShortnerRequestJson.Url);
Azure.Storage.TableStorage <ShortCodeGenrator> shortcodegen = new Azure.Storage.TableStorage <ShortCodeGenrator>(UrlShortnerTableName, AzureStorageAccount, AzureStorageConnectionSecretKey);
ShortCodeGenrator existingShortCodeForUrl = shortcodegen.GetEntityByPartitionKeyAndRowKey("abc", md5hashOfUrl);
if (existingShortCodeForUrl != null)
{
// url is already registered with some other source code
opr.Url = ShortnerRequestJson.Url;
opr.ShortCode = existingShortCodeForUrl.ShortCode;
opr.OperationStatus = OperationStatus.UrlExistsWithOtherSourceCode;
opr.Message = $"Url {ShortnerRequestJson.Url} is already registered in system with shortcode : {existingShortCodeForUrl.ShortCode}, Please use this short code.";
return(opr);
// return existingShortCodeForUrl.ShortCode;
}
else
{
var newShortCodeForurl = string.Empty;
if (string.IsNullOrEmpty(ShortnerRequestJson.RequestedShortCode))
{
newShortCodeForurl = GenerateRandomShortCode();
}
else
{
newShortCodeForurl = ShortnerRequestJson.RequestedShortCode;
// check if short code is already registerred and not unique
Azure.Storage.TableStorage <ShortCodeRetreival> checkuniqueShortCode = new Azure.Storage.TableStorage <ShortCodeRetreival>(UrlRetreivelTableName, AzureStorageAccount, AzureStorageConnectionSecretKey);
ShortCodeRetreival shortcodRetrival = checkuniqueShortCode.GetEntityByPartitionKeyAndRowKey("abc", ShortnerRequestJson.RequestedShortCode);
if (shortcodRetrival != null)
{
// url is already registered with some other source code
opr.Url = ShortnerRequestJson.Url;
opr.ShortCode = shortcodRetrival.shortCode;
opr.OperationStatus = OperationStatus.ShortCodeNotUnique;
opr.Message = $"Short Code {ShortnerRequestJson.RequestedShortCode} and its already registered with url {shortcodRetrival.Url}, Please Try with new short code.";
return(opr);
// return existingShortCodeForUrl.ShortCode;
}
}
ShortCodeGenrator shortCodeGenratorobj = new ShortCodeGenrator()
{
PartitionKey = "abc",
RowKey = md5hashOfUrl,
ShortCode = newShortCodeForurl
};
shortcodegen.CreateEntity(shortCodeGenratorobj);
Azure.Storage.TableStorage <ShortCodeRetreival> shortcoderetreival = new Azure.Storage.TableStorage <ShortCodeRetreival>(UrlRetreivelTableName, AzureStorageAccount, AzureStorageConnectionSecretKey);
ShortCodeRetreival insertCode = new ShortCodeRetreival()
{
PartitionKey = "abc",
RowKey = newShortCodeForurl,
Url = ShortnerRequestJson.Url,
shortCode = newShortCodeForurl,
Country = ShortnerRequestJson.Country,
IpAddress = ShortnerRequestJson.IpAddress,
AccessCount = 0
};
shortcoderetreival.CreateEntity(insertCode);
opr.Url = ShortnerRequestJson.Url;
opr.ShortCode = newShortCodeForurl;
opr.OperationStatus = OperationStatus.UrlShortned;
opr.Message = $"Short Code {newShortCodeForurl} is registered now for url {ShortnerRequestJson.Url}, Please use this short code.";
return(opr);
}
}
