public async Task <IHttpActionResult> Preview(string ScenarioName, string IntentName)
{
LSTMDecSurfaceRealizer rnnlg = new LSTMDecSurfaceRealizer();
int number = unique_key++;
string svDictPath = workDir + @"\train\" + number.ToString() + "slot_value.txt";
string tokenPath = workDir + @"\train\" + number.ToString() + "token.txt";
string modelPath = workDir + @"\models\" + number.ToString() + "lm.dnn";
Scenario scenario = lstmDb.Scenarios.SingleOrDefault(e => e.name == ScenarioName);
if (scenario == null)
{
return(BadRequest("No Such Scenario"));
}
Intent intent = lstmDb.Intents.SingleOrDefault(e => e.scenarioID == scenario.id && e.name == IntentName);
if (intent == null)
{
return(BadRequest("No Such Intent"));
}
List <Sample> samples = lstmDb.Samples.Where(e => e.intentID == intent.id && e.response == null && e.template == null).ToList <Sample>();
List <Sample> temp_samples = new List <Sample>();
if (intent.sv_dict == null || intent.token == null || intent.model == null)
{
return(BadRequest("Please train model first"));
}
System.IO.File.WriteAllBytes(svDictPath, intent.sv_dict);
System.IO.File.WriteAllBytes(tokenPath, intent.token);
System.IO.File.WriteAllBytes(modelPath, intent.model);
rnnlg.Initialize(modelPath, tokenPath, svDictPath);
var slotDescriptions = intent.mySlotDescriptions;
foreach (Sample sample in samples)
{
IList <String> templateStringList = new List <String>();
IList <String> responseStringList = new List <String>();
Dictionary <String, String> featureList = new Dictionary <String, String>();
string svPair = sample.slotValuePair;
List <SVPair> svpairs = JsonConvert.DeserializeObject <List <SVPair> >(svPair);
foreach (SVPair svpair in svpairs)
{
bool condition = false;
foreach (SlotDescription des in slotDescriptions)
{
if (des.name == svpair.slot && des.condition == true)
{
condition = true;
break;
}
}
if (condition)
{
featureList.Add((svpair.slot + "(@C)"), svpair.value);
}
else
{
featureList.Add(svpair.slot, svpair.value);
}
}
rnnlg.ApplyBeamSearch(featureList, ref templateStringList, ref responseStringList, 1);
Sample temp = new Sample(sample);
temp.response = responseStringList[0];
temp.template = templateStringList[0];
temp_samples.Add(temp);
}
await lstmDb.SaveChangesAsync();
try
{
System.IO.File.Delete(svDictPath);
System.IO.File.Delete(tokenPath);
System.IO.File.Delete(modelPath);
}
catch
{
}
return(Ok(temp_samples));
}
public async Task <IHttpActionResult> Test(string ScenarioName, string IntentName, int n)
{
List <string> topn = new List <string>();
LSTMDecSurfaceRealizer rnnlg = new LSTMDecSurfaceRealizer();
int number = unique_key++;
string svDictPath = workDir + @"\train\" + number.ToString() + "slot_value.txt";
string tokenPath = workDir + @"\train\" + number.ToString() + "token.txt";
string modelPath = workDir + @"\models\" + number.ToString() + "lm.dnn";
Scenario scenario = lstmDb.Scenarios.SingleOrDefault(e => e.name == ScenarioName);
if (scenario == null)
{
return(BadRequest("No Such Scenario"));
}
Intent intent = lstmDb.Intents.SingleOrDefault(e => e.scenarioID == scenario.id && e.name == IntentName);
if (intent == null)
{
return(BadRequest("No Such Intent"));
}
if (intent.sv_dict == null || intent.token == null || intent.model == null)
{
return(BadRequest("Please train model first"));
}
System.IO.File.WriteAllBytes(svDictPath, intent.sv_dict);
System.IO.File.WriteAllBytes(tokenPath, intent.token);
System.IO.File.WriteAllBytes(modelPath, intent.model);
try
{
rnnlg.Initialize(modelPath, tokenPath, svDictPath);
var slotDescriptions = intent.mySlotDescriptions;
IList <String> templateStringList = new List <String>();
IList <String> responseStringList = new List <String>();
Dictionary <String, String> featureList = new Dictionary <String, String>();
string svPair = await Request.Content.ReadAsStringAsync();
List <SVPair> svpairs = JsonConvert.DeserializeObject <List <SVPair> >(svPair);
foreach (SVPair svpair in svpairs)
{
bool condition = false;
foreach (SlotDescription des in slotDescriptions)
{
if (des.name == svpair.slot && des.condition == true)
{
condition = true;
break;
}
}
if (condition)
{
featureList.Add((svpair.slot + "(@C)"), svpair.value);
}
else
{
featureList.Add(svpair.slot, svpair.value);
}
}
//return Ok(featureList);
rnnlg.ApplyBeamSearch(featureList, ref templateStringList, ref responseStringList, n);
await lstmDb.SaveChangesAsync();
Dictionary <String, IList <String> > answer = new Dictionary <string, IList <string> >();
answer.Add("template", templateStringList);
answer.Add("response", responseStringList);
File.Delete(svDictPath);
File.Delete(tokenPath);
File.Delete(modelPath);
return(Ok(answer));
}
catch
{
File.Delete(svDictPath);
File.Delete(tokenPath);
File.Delete(modelPath);
return(BadRequest("Test failed"));
}
}
