/// <summary>
/// Gets the serialized results from storage with validation to check for errors while downloading
/// </summary>
/// <param name="key">Unique identifier to get the result information</param>
/// <returns>Metadata returned from storage</returns>
private static async Task <ResultFromStorage> GetFromStorageAsync(string key)
{
//- Check Manager
CheckIfAvailable();
//- Get Value
ResultFromStorage result = new ResultFromStorage()
{
HasResult = false,
};
CloudBlockBlob blob = _instance._blobContainer.GetBlockBlobReference(key);
result.SerializedResult = await blob.DownloadTextAsync();
result.HasResult = true;
return(result);
}
/// <summary>
/// Gets the contribution metadata that is stored within Azure storage using the hyperlink ID as the key; returns null when not found
/// </summary>
/// <param name="hyperlinkID">Unique identifier of the storage blob result; key used to locate the results in storage</param>
/// <returns>Contribution data from storage; NULL when not found</returns>
public static async Task <ResultStorage> GetContributionResultAsync(string hyperlinkID)
{
//- Check Parameters
if (string.IsNullOrEmpty(hyperlinkID) == true)
{
throw new ArgumentNullException("hyperlinkID");
}
//- Get Value
ResultFromStorage storageResult = await GetFromStorageAsync(GetContributionBlobKey(hyperlinkID));
//- Deserialize Result
ResultStorage result = null;
if (storageResult.HasResult == true)
{
result = JsonConvert.DeserializeObject <ResultStorage>(storageResult.SerializedResult);
}
return(result);
}
