protected void ButtonRun_Click(object sender, EventArgs e)
{
string errorMessage = null;
try
{
DEAContext context = Session[_contextKey] as DEAContext;
string jsonIn = context.ToJsonString(out errorMessage);
if (string.IsNullOrEmpty(jsonIn))
{
throw new Exception(errorMessage);
}
string serviceUrl = ConfigurationManager.AppSettings["deaServiceUrl"];
var client = new RestClient();
client.BaseUrl = new Uri(serviceUrl);
RestRequest deaRequest = new RestRequest();
deaRequest.Method = Method.POST;
deaRequest.AddParameter("text/plain", jsonIn, ParameterType.RequestBody);
deaRequest.Resource = "json/DEA";
var response = client.Execute(deaRequest);
if (response.IsSuccessful && response.ResponseStatus == ResponseStatus.Completed)
{
string jsonOut = response.Content;
DEAResponse deaResponse = JsonConvert.DeserializeObject <DEAResponse>(jsonOut);
if (deaResponse == null)
{
throw new Exception("Unable to de-serialize JSON response. Please check the log of the service.");
}
if (deaResponse.OK == false)
{
throw new Exception(deaResponse.errorMessage);
}
Session[_contextKey] = deaResponse.context;
DEAEventArgs args = new DEAEventArgs();
args.Cargo = "DEAContextOK";
RaiseBubbleEvent(this, args);
}
else
{
if (!string.IsNullOrEmpty(response.ErrorMessage))
{
throw new Exception(response.ErrorMessage);
}
else
{
throw new Exception(response.ResponseStatus.ToString());
}
}
}
catch (Exception ex)
{
LabelError.Text = ex.Message;
LabelError.Visible = true;
DEAEventArgs args = new DEAEventArgs();
args.Cargo = "ERROR: " + ex.Message;
RaiseBubbleEvent(this, args);
}
}
public Stream RunDEAnalysis(Stream request)
{
bool ok = true;
string errorMessage = null;
DEAContext context = null;
string jsonRequest = null;
string jsonResponse = null;
const string fn = "RunDEAnalysis";
LOG.DebugFormat("{0} - started", fn);
UriTemplateMatch utm = WebOperationContext.Current.IncomingRequest.UriTemplateMatch;
LOG.Debug(utm.RequestUri.OriginalString);
try
{
using (StreamReader reader = new StreamReader(request))
{
jsonRequest = reader.ReadToEnd();
}
LOG.DebugFormat("Request: {0}", jsonRequest);
context = DEAContext.CreateFromJsonString(jsonRequest, out errorMessage);
ok = (context != null);
if (ok)
{
ok = context.RunDEA(out errorMessage);
if (ok && context.ConstraintsSet)
{
ok = context.ApplyCostConstraintsToProjectSelection(out errorMessage);
}
if (ok)
{
jsonResponse = context.ToJsonString(out errorMessage);
ok = (jsonResponse != null);
}
}
}
catch (Exception ex)
{
ok = false;
errorMessage = ex.Message;
}
DEAResponse response = new DEAResponse();
response.OK = ok;
response.errorMessage = errorMessage;
response.context = context;
jsonResponse = JsonConvert.SerializeObject(response, Formatting.Indented);
LOG.DebugFormat("Response: {0}", jsonResponse);
Stream ms = new MemoryStream(ASCIIEncoding.Default.GetBytes(s: jsonResponse));
LOG.DebugFormat("{0} - ended", fn);
return(ms);
}