public void OnItemClick(AdapterView parent, View view, int position, long id)
{
IntentItem clickedIntentItem = (IntentItem)intentItems[position];
Intent intent;
switch (clickedIntentItem.Type)
{
case IntentType.PLAY_VIDEO:
intent = YouTubeIntents.CreatePlayVideoIntentWithOptions(this, VIDEO_ID, true, false);
StartActivity(intent);
break;
case IntentType.OPEN_PLAYLIST:
intent = YouTubeIntents.CreateOpenPlaylistIntent(this, PLAYLIST_ID);
StartActivity(intent);
break;
case IntentType.PLAY_PLAYLIST:
intent = YouTubeIntents.CreatePlayPlaylistIntent(this, PLAYLIST_ID);
StartActivity(intent);
break;
case IntentType.OPEN_SEARCH:
intent = YouTubeIntents.CreateSearchIntent(this, USER_ID);
StartActivity(intent);
break;
case IntentType.OPEN_USER:
intent = YouTubeIntents.CreateUserIntent(this, USER_ID);
StartActivity(intent);
break;
case IntentType.OPEN_CHANNEL:
intent = YouTubeIntents.CreateChannelIntent(this, CHANNEL_ID);
StartActivity(intent);
break;
case IntentType.UPLOAD_VIDEO:
// This will load a picker view in the users' gallery.
// The upload activity is started in the function onActivityResult.
intent = new Intent(Intent.ActionPick, null).SetType("video/*");
intent.PutExtra(EXTRA_LOCAL_ONLY, true);
StartActivityForResult(intent, SELECT_VIDEO_REQUEST);
break;
}
}
private async Task InsertIntentItem(IntentItem IntentItem)
{
try
{
// This code inserts a new IntentItem into the database. After the operation completes
// and the mobile app backend has assigned an id, the item is added to the CollectionView.
await intentTable.InsertAsync(IntentItem);
items.Add(IntentItem);
await MobileService.SyncContext.PushAsync(); // offline sync
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
//private TextProcessor()
//{
//}
//public static TextProcessor Instance
//{
// get
// {
// if (instance == null)
// {
// instance = new TextProcessor();
// }
// return instance;
// }
//}
public async Task <ProcessingResult> Predict(string textToPredict)
{
textToPredict = textToPredict.Trim();
textToPredict = textToPredict.ToLower();
MobileServiceInvalidOperationException exception = null;
try
{
// This code refreshes the entries in the list view by querying the IntentItems table.
// The query excludes completed IntentItems.
items = await intentTable
.Where(IntentItem => IntentItem.Utterance == (textToPredict))
.ToCollectionAsync();
telemetryItems = await telemetryTable.Take(1)
.ToCollectionAsync();
if (items.Count > 0)
{
var item = items[0];
var processingResult = new ProcessingResult();
processingResult.Entities = JsonConvert.DeserializeObject <Dictionary <string, string> >(item.JsonEntities);
processingResult.Intent = item.Intent;
processingResult.IsFromCache = true;
await Track(TelemetryEvents.CACHE_HIT, textToPredict);
await Track(TelemetryEvents.LUIS_INTENT, processingResult.Intent);
return(processingResult);
}
}
catch (MobileServiceInvalidOperationException e)
{
exception = e;
Debug.WriteLine(e);
throw e;
}
await Track(TelemetryEvents.CACHE_MISS, textToPredict);
try
{
LuisResult res = await _client.Predict(textToPredict);
var intent = processRes(res);
var temp = new ProcessingResult();
temp.Confidence = intent.Confidence;
temp.Entities = intent.Entities;
temp.Intent = intent.Intent;
temp.IsFromCache = true;
var intentItem = new IntentItem();
intentItem.Intent = temp.Intent;
intentItem.Utterance = textToPredict;
intentItem.IsProcessed = true;
intentItem.JsonEntities = JsonConvert.SerializeObject(temp.Entities);
// Insert into database
await InsertIntentItem(intentItem);
await Track(TelemetryEvents.LUIS_INTENT, intentItem.Intent);
return(intent);
}
catch (MobileServicePushFailedException push)
{
//
Debug.WriteLine(push);
throw push;
}
// TODO: Refactor to have a better error handling
catch (System.Exception e)
{
// Check App ID, Luis Key , Luis URL
// Trace error
Debug.WriteLine(e.Message);
Debug.WriteLine(e);
}
// Save offline
var offlineIntent = new IntentItem();
offlineIntent.Utterance = textToPredict;
offlineIntent.IsProcessed = false;
await InsertIntentItem(offlineIntent);
return(null);
}
public Object GetKBDataByPage(string q, string domain, string intent_domain, string intent_id, string pageNum)
{
var emptyObject = new { result = false, msg = "未找到查询结果!" };
IntentItem itentItem = null;
Domain.Intent intent = new Answer(domain).GetIntent(q);
if (intent.qt_parsed_rst == null)
{
return(null);
}
foreach (var item in intent.qt_parsed_rst)
{
if (item.results == null)
{
continue;
}
if (item.qt_domain == domain && item.results[0].domain == intent_domain && item.intent_no == intent_id)
{
itentItem = item;
break;
}
}
string intentItem = string.Empty;
int pnum = 0;
try
{
pnum = int.Parse(pageNum);
}
catch { return(emptyObject); }
//try
//{
// itentItem = Newtonsoft.Json.JsonConvert.DeserializeObject<IntentItem>(intentItem);
//}
//catch (System.Exception ex)
//{
// CBase.Log.Logger.Error(ex);
//}
if (itentItem == null)
{
return(emptyObject);
}
itentItem.results[0].pagenum = pnum;
CMKArea karea = null;
var qc = new KB().GetItem(itentItem);
if (qc != null && qc.Total > 0)
{
karea = qc.MetaList[0];
karea.Page.PageNum = pnum;
return(new { result = true, karea });
}
else
{
return(emptyObject);
}
//GetBookInfo(karea);
}
