public async Task <AddRecordItemResponse> AddRecordItemAsync(Dictionary <ParameterTypeEnum, object> parameters)
{
telemetryClient.TrackTrace("Starting helper");
AddRecordItemResponse result = new AddRecordItemResponse
{
IsSucceded = true,
ResultId = (int)AddRecordItemResultEnum.Success
};
try
{
telemetryClient.TrackTrace("Getting parameters");
parameters.TryGetValue(ParameterTypeEnum.RecordItem, out global::System.Object orecordItemRequest);
Domain.Models.Request.RecordItem recordItemRequest = orecordItemRequest as Domain.Models.Request.RecordItem;
parameters.TryGetValue(ParameterTypeEnum.MasterAddress, out global::System.Object omasterAddress);
string masterAddress = omasterAddress.ToString();
parameters.TryGetValue(ParameterTypeEnum.MasterPrivateKey, out global::System.Object omasterPrivateKey);
string masterPrivateKey = omasterPrivateKey.ToString();
parameters.TryGetValue(ParameterTypeEnum.ContractAddress, out global::System.Object ocontractAddress);
string contractAddress = ocontractAddress.ToString();
parameters.TryGetValue(ParameterTypeEnum.ContractABI, out global::System.Object ocontractABI);
string contractABI = ocontractABI.ToString();
parameters.TryGetValue(ParameterTypeEnum.RecordItemImageContainer, out global::System.Object orecordItemImageContainer);
string recordItemImageContainer = orecordItemImageContainer.ToString();
//database helpers
DBRecordItemHelper dbRecordItemHelper = new DBRecordItemHelper(DBCONNECTION_INFO);
DBUserAccountHelper dbUserAccountHelper = new DBUserAccountHelper(DBCONNECTION_INFO);
//blockchain helper
BlockchainHelper bh = new BlockchainHelper(telemetryClient, STORAGE_ACCOUNT, RPC_CLIENT, masterAddress, masterPrivateKey);
telemetryClient.TrackTrace("Validating username length");
//validate username length
if (!RegexValidation.IsValidUsername(recordItemRequest.username))
{
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.InvalidUsernameLength;
return(result);
}
telemetryClient.TrackTrace("Validating username existance");
//validate if account exists
UserAccount userAccount = dbUserAccountHelper.GetUser(recordItemRequest.username);
if (userAccount == null)
{
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.UsernameNotExists;
return(result);
}
telemetryClient.TrackTrace("Validating record item existance");
//validate if record item exists for voting
RecordItem recordItemExists = dbRecordItemHelper.GetRecordItem(recordItemRequest.hash);
if (recordItemExists != null)
{
//there is no record item linked with this vote
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.AlreadyExists;
}
else
{
telemetryClient.TrackTrace("Adding record item to blockchain");
var res_AddRecordAsync = await bh.AddRecordAsync(recordItemRequest.hash, recordItemRequest.username, contractAddress, contractABI);
telemetryClient.TrackTrace($"Add record item result: {res_AddRecordAsync}");
if (string.IsNullOrEmpty(res_AddRecordAsync))
{
//there was an error adding the record to the blockchain
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.BlockchainIssue;
return(result);
}
telemetryClient.TrackTrace("Adding record item to database");
RecordItem recordItem = RecordItemParser.TransformRecordItem(recordItemRequest);
recordItem.hash = recordItem.hash.ToLower();
recordItem.transactionId = res_AddRecordAsync;
recordItem.createdDate = Timezone.GetCustomTimeZone();
recordItem.image = recordItem.image + ".png";
//perform insert in mongodb
await dbRecordItemHelper.CreateRecordItem(recordItem);
telemetryClient.TrackTrace("Adding record item image to storage");
//upload image to blobstorage
byte[] buffer = Convert.FromBase64String(recordItemRequest.ImageBytes);
await UploadRecordItemImageAsync(recordItemImageContainer, recordItem.image, buffer);
}
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)AddRecordItemResultEnum.Failed;
}
telemetryClient.TrackTrace("Finishing helper");
return(result);
}
public SignInAccountResponse SignInAccount(Dictionary <ParameterTypeEnum, object> parameters)
{
telemetryClient.TrackTrace("Starting helper");
SignInAccountResponse result = new SignInAccountResponse
{
IsSucceded = true,
ResultId = (int)SignUpAccountResultEnum.Success
};
try
{
telemetryClient.TrackTrace("Getting parameters");
parameters.TryGetValue(ParameterTypeEnum.Username, out global::System.Object ousername);
string username = ousername.ToString().ToLower();
parameters.TryGetValue(ParameterTypeEnum.Password, out global::System.Object opassword);
string password = opassword.ToString();
//database helpers
DBUserAccountHelper dbUserAccountHelper = new DBUserAccountHelper(DBCONNECTION_INFO);
telemetryClient.TrackTrace("Validating username length");
//validate username length
if (!RegexValidation.IsValidUsername(username))
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.InvalidUsernameLength;
return(result);
}
telemetryClient.TrackTrace("Validating username existance");
//validate if account exists
UserAccount userAccount = dbUserAccountHelper.GetUser(username);
if (userAccount == null)
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.NotExists;
return(result);
}
else
{
if (userAccount.password == MD5Hash.CalculateMD5Hash(password))
{
result.IsSucceded = true;
result.ResultId = (int)SignInAccountResultEnum.Success;
result.Username = userAccount.username;
result.Image = $"{userAccount.username}.png";
}
else
{
result.IsSucceded = false;
result.ResultId = (int)SignInAccountResultEnum.IncorrectPassword;
return(result);
}
}
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
telemetryClient.TrackTrace("Finishing helper");
return(result);
}
public async Task <AddRecordVoteResponse> AddRecordVoteAsync(Dictionary <ParameterTypeEnum, object> parameters)
{
telemetryClient.TrackTrace("Starting helper");
AddRecordVoteResponse result = new AddRecordVoteResponse
{
IsSucceded = true,
ResultId = (int)AddRecordVoteResultEnum.Success
};
try
{
telemetryClient.TrackTrace("Getting parameters");
parameters.TryGetValue(ParameterTypeEnum.Username, out global::System.Object ousername);
string username = ousername.ToString().ToLower();
parameters.TryGetValue(ParameterTypeEnum.Hash, out global::System.Object ohash);
string hash = ohash.ToString().ToLower();
parameters.TryGetValue(ParameterTypeEnum.IsApproval, out global::System.Object oisApproval);
bool isApproval = Convert.ToBoolean(oisApproval.ToString());
parameters.TryGetValue(ParameterTypeEnum.MasterAddress, out global::System.Object omasterAddress);
string masterAddress = omasterAddress.ToString();
parameters.TryGetValue(ParameterTypeEnum.MasterPrivateKey, out global::System.Object omasterPrivateKey);
string masterPrivateKey = omasterPrivateKey.ToString();
parameters.TryGetValue(ParameterTypeEnum.ContractAddress, out global::System.Object ocontractAddress);
string contractAddress = ocontractAddress.ToString();
parameters.TryGetValue(ParameterTypeEnum.ContractABI, out global::System.Object ocontractABI);
string contractABI = ocontractABI.ToString();
//database helpers
DBUserAccountHelper dbUserAccountHelper = new DBUserAccountHelper(DBCONNECTION_INFO);
DBRecordItemHelper dbRecordItemHelper = new DBRecordItemHelper(DBCONNECTION_INFO);
DBRecordVoteHelper dbRecordVoteHelper = new DBRecordVoteHelper(DBCONNECTION_INFO);
//blockchain helper
BlockchainHelper bh = new BlockchainHelper(telemetryClient, STORAGE_ACCOUNT, RPC_CLIENT, masterAddress, masterPrivateKey);
telemetryClient.TrackTrace("Validating username length");
//validate username length
if (!RegexValidation.IsValidUsername(username))
{
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.InvalidUsernameLength;
return(result);
}
telemetryClient.TrackTrace("Validating username existance");
//validate if account exists
UserAccount userAccount = dbUserAccountHelper.GetUser(username);
if (userAccount == null)
{
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.UsernameNotExists;
return(result);
}
telemetryClient.TrackTrace("Validating record item existance");
//validate if record item exists for voting
RecordItem recordItem = dbRecordItemHelper.GetRecordItem(hash);
if (recordItem == null)
{
//there is no record item linked with this vote
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.NotExists;
return(result);
}
else
{
telemetryClient.TrackTrace("Validating record vote existance");
//validate if user has voted submit a vote before
RecordVote vote = dbRecordVoteHelper.GetRecordVote(hash, username);
if (vote != null)
{
//the user already voted
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.AlreadyVoted;
return(result);
}
else
{
telemetryClient.TrackTrace("Adding record vote to blockchain");
//sending to the blockchain
var res_IncreaseOperationAsync = string.Empty;
if ((bool)isApproval)
{
res_IncreaseOperationAsync = await bh.IncreaseApprovalsAsync(hash, contractAddress, contractABI);
System.Diagnostics.Trace.TraceInformation($"Add record for approval vote result: {res_IncreaseOperationAsync}");
}
else
{
res_IncreaseOperationAsync = await bh.IncreaseDisapprovalsAsync(hash, contractAddress, contractABI);
System.Diagnostics.Trace.TraceInformation($"Add record for disapproval vote result: {res_IncreaseOperationAsync }");
}
if (string.IsNullOrEmpty(res_IncreaseOperationAsync))
{
//there was an error voting the record in the blockchain
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.BlockchainIssue;
return(result);
}
telemetryClient.TrackTrace("Adding record vote to database");
//save record in mongodb
vote = new RecordVote
{
username = username,
hash = hash,
isApproval = isApproval,
transactionId = res_IncreaseOperationAsync,
createdDate = Timezone.GetCustomTimeZone()
};
//perform insert in mongodb
await dbRecordVoteHelper.CreateRecordVote(vote);
}
}
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)AddRecordVoteResultEnum.Failed;
}
telemetryClient.TrackTrace("Finishing helper");
return(result);
}
public async Task <SignUpAccountResponse> SignUpAccountAsync(Dictionary <ParameterTypeEnum, object> parameters)
{
telemetryClient.TrackTrace("Starting helper");
SignUpAccountResponse result = new SignUpAccountResponse
{
IsSucceded = true,
ResultId = (int)SignUpAccountResultEnum.Success
};
try
{
telemetryClient.TrackTrace("Getting parameters");
parameters.TryGetValue(ParameterTypeEnum.Username, out global::System.Object ousername);
string username = ousername.ToString().ToLower();
parameters.TryGetValue(ParameterTypeEnum.Password, out global::System.Object opassword);
string password = opassword.ToString();
parameters.TryGetValue(ParameterTypeEnum.AccountImagesContainer, out global::System.Object oaccountImagesContainer);
string accountImagesContainer = oaccountImagesContainer.ToString();
parameters.TryGetValue(ParameterTypeEnum.FunctionDirectory, out global::System.Object ofunctionDirectory);
string functionDirectory = ofunctionDirectory.ToString();
//database helpers
DBUserAccountHelper dbUserAccountHelper = new DBUserAccountHelper(DBCONNECTION_INFO);
telemetryClient.TrackTrace("Validating username length");
//validate username length
if (!RegexValidation.IsValidUsername(username))
{
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.InvalidUsernameLength;
return(result);
}
telemetryClient.TrackTrace("Validating username existance");
//validate if account exists
UserAccount userAccount = dbUserAccountHelper.GetUser(username);
if (userAccount != null)
{
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.AlreadyExists;
return(result);
}
telemetryClient.TrackTrace("Adding account to database");
//save username and account in mongodb
userAccount = new UserAccount()
{
username = username,
password = MD5Hash.CalculateMD5Hash(password),
createdDate = Timezone.GetCustomTimeZone()
};
//perform insert in mongodb
await dbUserAccountHelper.CreateUserAccount(userAccount);
telemetryClient.TrackTrace("Adding account image to storage");
//create unique icon, upload and delete it
var imageName = $"{username}.png";
try
{
var directory = Path.Combine(functionDirectory, "images");
var filePath = Path.Combine(directory, imageName);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
Identicon.FromValue(username, size: 160).SaveAsPng(filePath);
await UploadAccountImageAsync(accountImagesContainer, imageName, filePath);
File.Delete(filePath);
}
catch
{
//it doesn't matter if for some reason the icon generation fails, then ignore it and proceed as success
}
result.Image = imageName;
}
catch (AggregateException ex)
{
foreach (var innerException in ex.Flatten().InnerExceptions)
{
telemetryClient.TrackException(innerException);
}
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
catch (Exception ex)
{
telemetryClient.TrackException(ex);
result.IsSucceded = false;
result.ResultId = (int)SignUpAccountResultEnum.Failed;
}
telemetryClient.TrackTrace("Finishing helper");
return(result);
}