From 562b5dd7c5bfe3e65d35b85795f0f1126eff8f4c Mon Sep 17 00:00:00 2001
From: Oceania2018 <haiping008@gmail.com>
Date: Thu, 25 Oct 2018 21:30:59 -0500
Subject: [PATCH] Add fallback function.

---
 .../BotSharp/BotSharpIntentClassifier.cs      |   5 +-
 .../Engines/BotSharp/BotSharpTokenizer.cs     |   1 +
 BotSharp.Core/Engines/NlpDoc.cs               |   1 +
 BotSharp.Core/PlatformBuilderBase.cs          |  61 ++++++++++--------
 .../IPlatformBuilder.cs                       |   2 +
 .../AiResponse}/TextClassificationResult.cs   |   4 +-
 .../App_Data/AgentArchive/BotSharp_zh-cn.zip  | Bin 5969 -> 5824 bytes
 BotSharp.WebHost/BotSharp.WebHost.csproj      |   2 +-
 BotSharp.WebHost/Settings/app.json            |   1 +
 BotSharp.sln                                  |  26 ++++++++
 10 files changed, 70 insertions(+), 33 deletions(-)
 rename {BotSharp.Core/Engines => BotSharp.Platform.Models/AiResponse}/TextClassificationResult.cs (75%)

diff --git a/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs b/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
index 3b4caf5a..4306effa 100644
--- a/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
+++ b/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
@@ -1,16 +1,13 @@
 using BotSharp.Core.Abstractions;
 using BotSharp.NLP;
 using BotSharp.NLP.Classify;
-using BotSharp.NLP.Txt2Vec;
 using BotSharp.Platform.Models;
+using BotSharp.Platform.Models.AiResponse;
 using BotSharp.Platform.Models.MachineLearning;
 using Microsoft.Extensions.Configuration;
-using Newtonsoft.Json.Linq;
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace BotSharp.Core.Engines.BotSharp
diff --git a/BotSharp.Core/Engines/BotSharp/BotSharpTokenizer.cs b/BotSharp.Core/Engines/BotSharp/BotSharpTokenizer.cs
index 835a4d59..70eebbe3 100644
--- a/BotSharp.Core/Engines/BotSharp/BotSharpTokenizer.cs
+++ b/BotSharp.Core/Engines/BotSharp/BotSharpTokenizer.cs
@@ -2,6 +2,7 @@
 using BotSharp.NLP;
 using BotSharp.NLP.Tokenize;
 using BotSharp.Platform.Models;
+using BotSharp.Platform.Models.AiResponse;
 using BotSharp.Platform.Models.MachineLearning;
 using Microsoft.Extensions.Configuration;
 using System;
diff --git a/BotSharp.Core/Engines/NlpDoc.cs b/BotSharp.Core/Engines/NlpDoc.cs
index e6155b09..17dafd33 100644
--- a/BotSharp.Core/Engines/NlpDoc.cs
+++ b/BotSharp.Core/Engines/NlpDoc.cs
@@ -1,5 +1,6 @@
 using BotSharp.Core.Abstractions;
 using BotSharp.NLP.Tokenize;
+using BotSharp.Platform.Models.AiResponse;
 using BotSharp.Platform.Models.Entities;
 using System;
 using System.Collections.Generic;
diff --git a/BotSharp.Core/PlatformBuilderBase.cs b/BotSharp.Core/PlatformBuilderBase.cs
index 789ef29a..9a4bf6f5 100644
--- a/BotSharp.Core/PlatformBuilderBase.cs
+++ b/BotSharp.Core/PlatformBuilderBase.cs
@@ -158,31 +158,15 @@ namespace BotSharp.Core
 
             if (predictedIntent.Confidence < Agent.MlConfig.MinConfidence)
             {
-                var data = new
+                predictedIntent = await FallbackResponse(request);
+
+                predictedIntent.Confidence = Agent.MlConfig.MinConfidence;
+                predictedIntent.Label = "fallback";
+
+                Agent.Intents.Add(new Intent
                 {
-                    token = "openbot",
-                    info = request.Text
-                };
-
-                using (var client = new HttpClient())
-                {
-                    var response = await client.PostAsync(
-                        "https://api.ownthink.com/bot",
-                        new StringContent(JsonConvert.SerializeObject(data), Encoding.UTF8, "application/json"));
-                    var content = await response.Content.ReadAsStringAsync();
-                    var result = JsonConvert.DeserializeObject<JObject>(content);
-
-                    predictedIntent = new TextClassificationResult
-                    {
-                        Confidence = Agent.MlConfig.MinConfidence,
-                        Classifier = "ownthink",
-                        Label = "fallback"
-                    };
-
-                    Agent.Intents.Add(new Intent
-                    {
-                        Name = predictedIntent.Label,
-                        Responses = new List<IntentResponse>
+                    Name = predictedIntent.Label,
+                    Responses = new List<IntentResponse>
                         {
                             new IntentResponse
                             {
@@ -191,14 +175,13 @@ namespace BotSharp.Core
                                 {
                                     new IntentResponseMessage
                                     {
-                                        Speech = "[\"" + result["text"] + "\"]",
+                                        Speech = "\"" + predictedIntent.Text + "\"",
                                         Type = AIResponseMessageType.Text
                                     }
                                 }
                             }
                         }
-                    });
-                }
+                });
             }
 
             var aiResponse = new AiResponse
@@ -215,6 +198,30 @@ namespace BotSharp.Core
             return await AssembleResult<TResult>(aiResponse);
         }
 
+        public virtual async Task<TextClassificationResult> FallbackResponse(AiRequest request)
+        {
+            var data = new
+            {
+                token = "openbot",
+                info = request.Text
+            };
+
+            using (var client = new HttpClient())
+            {
+                var response = await client.PostAsync(
+                    "https://api.ownthink.com/bot",
+                    new StringContent(JsonConvert.SerializeObject(data), Encoding.UTF8, "application/json"));
+                var content = await response.Content.ReadAsStringAsync();
+                var result = JsonConvert.DeserializeObject<JObject>(content);
+
+                return new TextClassificationResult
+                {
+                    Classifier = "ownthink",
+                    Text = result["text"].ToString()
+                };
+            }
+        }
+
         public virtual async Task<TResult> AssembleResult<TResult>(AiResponse response)
         {
             throw new NotImplementedException();
diff --git a/BotSharp.Platform.Abstraction/IPlatformBuilder.cs b/BotSharp.Platform.Abstraction/IPlatformBuilder.cs
index 499c2e63..10fe73c0 100644
--- a/BotSharp.Platform.Abstraction/IPlatformBuilder.cs
+++ b/BotSharp.Platform.Abstraction/IPlatformBuilder.cs
@@ -52,5 +52,7 @@ namespace BotSharp.Platform.Abstraction
         Task<TResult> TextRequest<TResult>(AiRequest request);
 
         Task<TResult> AssembleResult<TResult>(AiResponse response);
+
+        Task<TextClassificationResult> FallbackResponse(AiRequest request);
     }
 }
diff --git a/BotSharp.Core/Engines/TextClassificationResult.cs b/BotSharp.Platform.Models/AiResponse/TextClassificationResult.cs
similarity index 75%
rename from BotSharp.Core/Engines/TextClassificationResult.cs
rename to BotSharp.Platform.Models/AiResponse/TextClassificationResult.cs
index a415ec83..dcf3fbfe 100644
--- a/BotSharp.Core/Engines/TextClassificationResult.cs
+++ b/BotSharp.Platform.Models/AiResponse/TextClassificationResult.cs
@@ -2,7 +2,7 @@
 using System.Collections.Generic;
 using System.Text;
 
-namespace BotSharp.Core.Engines
+namespace BotSharp.Platform.Models.AiResponse
 {
     public class TextClassificationResult
     {
@@ -10,6 +10,8 @@ namespace BotSharp.Core.Engines
 
         public String Label { get; set; }
 
+        public string Text { get; set; }
+
         public double Confidence { get; set; }
     }
 }
diff --git a/BotSharp.WebHost/App_Data/AgentArchive/BotSharp_zh-cn.zip b/BotSharp.WebHost/App_Data/AgentArchive/BotSharp_zh-cn.zip
index 972a28efc10fa42947187218564398934a9f0079..f92eb7647e2a089db1a1bd5e53ae294f1eeabda0 100644
GIT binary patch
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diff --git a/BotSharp.WebHost/BotSharp.WebHost.csproj b/BotSharp.WebHost/BotSharp.WebHost.csproj
index a833bf0d..cd448531 100644
--- a/BotSharp.WebHost/BotSharp.WebHost.csproj
+++ b/BotSharp.WebHost/BotSharp.WebHost.csproj
@@ -84,7 +84,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\botsharp-dialogflow\BotSharp.Platform.Dialogflow\BotSharp.Platform.Dialogflow.csproj" />
+    <ProjectReference Include="..\..\botsharp-channel-weixin\BotSharp.Channel.Weixin\BotSharp.Channel.Weixin.csproj" />
     <ProjectReference Include="..\BotSharp.Core\BotSharp.Core.csproj" />
   </ItemGroup>
 
diff --git a/BotSharp.WebHost/Settings/app.json b/BotSharp.WebHost/Settings/app.json
index c79a99a9..c05567cd 100644
--- a/BotSharp.WebHost/Settings/app.json
+++ b/BotSharp.WebHost/Settings/app.json
@@ -3,6 +3,7 @@
   "assemblies": "BotSharp.Core",
 
   "platformModuleName": "DialogflowAi",
+  "overrideFallback": false,
 
   "modules": [
     /*{
diff --git a/BotSharp.sln b/BotSharp.sln
index 67bd1734..8e81b573 100644
--- a/BotSharp.sln
+++ b/BotSharp.sln
@@ -24,6 +24,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Platform.Models",
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Platform.Dialogflow", "..\botsharp-dialogflow\BotSharp.Platform.Dialogflow\BotSharp.Platform.Dialogflow.csproj", "{6A7E5DC1-3AE3-42C1-8F67-3131783646EB}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Channel.Weixin", "..\botsharp-channel-weixin\BotSharp.Channel.Weixin\BotSharp.Channel.Weixin.csproj", "{640AB037-2338-4550-A21A-0DB7C2A350F1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		ARTICULATE|Any CPU = ARTICULATE|Any CPU
@@ -232,6 +234,30 @@ Global
 		{6A7E5DC1-3AE3-42C1-8F67-3131783646EB}.Test|Any CPU.Build.0 = Debug|Any CPU
 		{6A7E5DC1-3AE3-42C1-8F67-3131783646EB}.Test|x64.ActiveCfg = Debug|Any CPU
 		{6A7E5DC1-3AE3-42C1-8F67-3131783646EB}.Test|x64.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.ARTICULATE|Any CPU.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.ARTICULATE|Any CPU.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.ARTICULATE|x64.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.ARTICULATE|x64.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Debug|x64.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.DIALOGFLOW|Any CPU.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.DIALOGFLOW|Any CPU.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.DIALOGFLOW|x64.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.DIALOGFLOW|x64.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.RASA|Any CPU.ActiveCfg = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.RASA|Any CPU.Build.0 = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.RASA|x64.ActiveCfg = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.RASA|x64.Build.0 = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Release|x64.ActiveCfg = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Release|x64.Build.0 = Release|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Test|Any CPU.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Test|Any CPU.Build.0 = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Test|x64.ActiveCfg = Debug|Any CPU
+		{640AB037-2338-4550-A21A-0DB7C2A350F1}.Test|x64.Build.0 = Debug|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE