private bool ValidateGetRequest(PredictApiPostRequest req)
{
if (req.Entry == null)
{
return(false);
}
if (req.LoginToken == null)
{
return(false);
}
if (req.CompanyId <= 0)
{
return(false);
}
if (req.ComplaintGroupId < 0)
{
return(false);
}
if (req.UserId <= 0)
{
return(false);
}
return(true);
}
private void HandlePostRequest(HttpListenerContext ctx)
{
try
{
#region Input Validation
if (!ctx.Request.HasEntityBody)
{
WriteBodyResponse(ctx, 400, "Bad Request", "No Body");
return;
}
PredictApiPostRequest req = JsonDataObjectUtil <PredictApiPostRequest> .ParseObject(ctx);
if (!ValidateGetRequest(req))
{
WriteBodyResponse(ctx, 400, "Bad Request", "Incorrect Format");
return;
}
#endregion
MySqlDataManipulator connection = new MySqlDataManipulator();
using (connection)
{
bool res = connection.Connect(MySqlDataManipulator.GlobalConfiguration.GetConnectionString());
if (!res)
{
WriteBodyResponse(ctx, 500, "Unexpected Server Error", "Connection to database failed");
return;
}
#region User Validation
OverallUser mappedUser = connection.GetUserById(req.UserId);
if (mappedUser == null)
{
WriteBodyResponse(ctx, 404, "Not Found", "User was not found on on the server");
return;
}
if (!UserVerificationUtil.LoginTokenValid(mappedUser, req.LoginToken))
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Login token was incorrect.");
return;
}
#endregion
#region Action Handling
CompanySettingsEntry isPublicSetting = connection.GetCompanySettingsWhere(req.CompanyId, "SettingKey=\"" + CompanySettingsKey.Public + "\"")[0];
bool isPublic = bool.Parse(isPublicSetting.SettingValue);
if (!isPublic && mappedUser.Company != req.CompanyId)
{
WriteBodyResponse(ctx, 401, "Not Authorized", "Cannot predict using other company's private data");
return;
}
List <UserSettingsEntry> userSettings = JsonDataObjectUtil <List <UserSettingsEntry> > .ParseObject(mappedUser.Settings);
UserSettingsEntry predictionQueryResultsSetting = userSettings.Where(entry => entry.Key.Equals(UserSettingsEntryKeys.PredictionQueryResults)).First();
int numQueriesRequested = int.Parse(predictionQueryResultsSetting.Value);
DatabaseQueryProcessor processor = new DatabaseQueryProcessor();
string ret = processor.ProcessQueryForSimilarQueries(req.Entry, connection, req.CompanyId, req.ComplaintGroupId, numQueriesRequested);
WriteBodyResponse(ctx, 200, "OK", ret, "application/json");
#endregion
}
}
catch (HttpListenerException)
{
//HttpListeners dispose themselves when an exception occurs, so we can do no more.
}
catch (Exception e)
{
WriteBodyResponse(ctx, 500, "Internal Server Error", "Error occurred during processing of request: " + e.Message);
}
}