SciSharp · Oceania2018 · Nov 9, 2023 · Nov 9, 2023 · Nov 9, 2023 · Nov 9, 2023
diff --git a/BotSharp.sln b/BotSharp.sln
@@ -63,6 +63,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Plugin.MongoStorag
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Plugin.GoogleAI", "src\Plugins\BotSharp.Plugin.GoogleAI\BotSharp.Plugin.GoogleAI.csproj", "{8BC29F8A-78D6-422C-B522-10687ADC38ED}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BotSharp.Plugin.Twilio", "src\Plugins\BotSharp.Plugin.Twilio\BotSharp.Plugin.Twilio.csproj", "{E627F1E3-BE03-443A-83A2-86A855A278EB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -223,6 +225,14 @@ Global
 		{8BC29F8A-78D6-422C-B522-10687ADC38ED}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8BC29F8A-78D6-422C-B522-10687ADC38ED}.Release|x64.ActiveCfg = Release|Any CPU
 		{8BC29F8A-78D6-422C-B522-10687ADC38ED}.Release|x64.Build.0 = Release|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Debug|x64.Build.0 = Debug|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Release|x64.ActiveCfg = Release|Any CPU
+		{E627F1E3-BE03-443A-83A2-86A855A278EB}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -254,6 +264,7 @@ Global
 		{5CD330E1-9E5A-4112-8346-6E31CA98EF78} = {2635EC9B-2E5F-4313-AC21-0B847F31F36C}
 		{DB3DE37B-1208-4ED3-9615-A52AD0AAD69C} = {5CD330E1-9E5A-4112-8346-6E31CA98EF78}
 		{8BC29F8A-78D6-422C-B522-10687ADC38ED} = {D5293208-2BEF-42FC-A64C-5954F61720BA}
+		{E627F1E3-BE03-443A-83A2-86A855A278EB} = {64264688-0F5C-4AB0-8F2B-B59B717CCE00}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19}

diff --git a/README.md b/README.md
@@ -39,14 +39,39 @@ It's written in C# running on .Net Core that is full cross-platform framework, t
 ```
 2. Run UI project, reference to [Chatbot UI](src/Plugins/BotSharp.Plugin.ChatbotUI/Chatbot-UI.md).
 
-### Extension Libraries
+### Plugins
 
-BotSharp uses component design, the kernel is kept to a minimum, and business functions are implemented by external components. The modular design also allows contributors to better participate.
+BotSharp uses component design, the kernel is kept to a minimum, and business functions are implemented by external components. The modular design also allows contributors to better participate. Below are the bulit-in plugins:
 
-* Chatbot UI connector. 
-* A channel module of BotSharp for Facebook Messenger.
-* A channel module of BotSharp for Tencent Wechat.
-* A channel module of BotSharp for Telegram.
+#### Data Storages
+- BotSharp.Plugin.MongoStorage
+
+#### LLMs
+- BotSharp.Plugin.AzureOpenAI
+- BotSharp.Plugin.GoogleAI
+- BotSharp.Plugin.MetaAI
+- BotSharp.Plugin.HuggingFace
+- BotSharp.Plugin.LLamaSharp
+
+#### Messaging / Channel
+- BotSharp.OpenAPI
+- BotSharp.Plugin.MetaMessenger
+- BotSharp.Plugin.Twilio
+- BotSharp.Plugin.WeChat
+
+#### RAGS
+- BotSharp.Plugin.KnowledgeBase
+- BotSharp.Plugin.Qdrant
+
+#### Visions
+- BotSharp.Plugin.PaddleSharp
+
+#### Tools
+- BotSharp.Plugin.RoutingSpeeder
+- BotSharp.Plugin.PizzaBot
+
+#### UIs
+- BotSharp.Plugin.ChatbotUI
 
 ### Documents
 

diff --git a/src/Plugins/BotSharp.Plugin.Twilio/BotSharp.Plugin.Twilio.csproj b/src/Plugins/BotSharp.Plugin.Twilio/BotSharp.Plugin.Twilio.csproj
@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <LangVersion>$(LangVersion)</LangVersion>
+    <VersionPrefix>$(BotSharpVersion)</VersionPrefix>
+    <GeneratePackageOnBuild>$(GeneratePackageOnBuild)</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Twilio.AspNet.Common" Version="8.0.2" />
+    <PackageReference Include="Twilio.AspNet.Core" Version="8.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Infrastructure\BotSharp.Abstraction\BotSharp.Abstraction.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs b/src/Plugins/BotSharp.Plugin.Twilio/Controllers/TwilioVoiceController.cs
@@ -0,0 +1,115 @@
+using BotSharp.Abstraction.Conversations;
+using BotSharp.Plugin.Twilio.Settings;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using System.Collections.Generic;
+using System;
+using Twilio.AspNet.Common;
+using Twilio.AspNet.Core;
+using Twilio.TwiML;
+using Twilio.TwiML.Voice;
+using System.Threading.Tasks;
+using Microsoft.Extensions.DependencyInjection;
+using BotSharp.Abstraction.Routing.Settings;
+using Twilio.Http;
+using Twilio.TwiML.Messaging;
+using BotSharp.Abstraction.Agents.Enums;
+using BotSharp.Abstraction.Conversations.Models;
+
+namespace BotSharp.Plugin.Twilio.Controllers;
+
+[AllowAnonymous]
+public class TwilioVoiceController : TwilioController
+{
+    private readonly TwilioSetting _settings;
+    private readonly IServiceProvider _services;
+
+    public TwilioVoiceController(TwilioSetting settings, IServiceProvider services)
+    {
+        _settings = settings;
+        _services = services;
+    }
+
+    [HttpPost("/twilio/voice/welcome")]
+    public async Task<TwiMLResult> StartConversation(VoiceRequest request)
+    {
+        string sessionId = $"TwilioVoice_{request.CallSid}";
+        var response = ReturnInstructions("Hello, how may I help you?");
+        return TwiML(response);
+    }
+
+    [HttpPost("/twilio/voice/{agentId}")]
+    public async Task<TwiMLResult> ReceivedVoiceMessage([FromRoute] string agentId, VoiceRequest input)
+    {
+        string sessionId = $"TwilioVoice_{input.CallSid}";
+
+        var conv = _services.GetRequiredService<IConversationService>();
+        conv.SetConversationId(sessionId, new List<string>
+        {
+            "channel=phone",
+            $"calling_phone={input.DialCallSid}"
+        });
+
+        VoiceResponse response = default;
+
+        var result = await conv.SendMessage(agentId, new RoleDialogModel(AgentRole.User, input.SpeechResult), async msg =>
+        {
+            response = HangUp(msg.Content);
+        }, async functionExecuting =>
+        {
+        }, async functionExecuted =>
+        {
+        });
+
+        return TwiML(response);
+    }
+
+    private VoiceResponse ReturnInstructions(string message)
+    {
+        var routingSetting = _services.GetRequiredService<RoutingSettings>();
+
+        var response = new VoiceResponse();
+        var gather = new Gather()
+        {
+            Input = new List<Gather.InputEnum>() 
+            { 
+                Gather.InputEnum.Speech 
+            },
+            Action = new Uri($"{_settings.CallbackHost}/twilio/voice/{routingSetting.RouterId}")
+        };
+        gather.Say(message);
+        response.Append(gather);
+        return response;
+    }
+
+    private VoiceResponse HangUp(string message)
+    {
+        var response = new VoiceResponse();
+        if (!string.IsNullOrEmpty(message))
+        {
+            response.Say(message);
+        }
+        response.Hangup();
+        return response;
+    }
+
+    private VoiceResponse HoldOn(int interval, string message = null)
+    {
+        var routingSetting = _services.GetRequiredService<RoutingSettings>();
+
+        var response = new VoiceResponse();
+        var gather = new Gather()
+        {
+            Input = new List<Gather.InputEnum>() { Gather.InputEnum.Speech },
+            Action = new Uri($"{_settings.CallbackHost}/twilio/voice/{routingSetting.RouterId}"),
+            ActionOnEmptyResult = true
+        };
+        if (!string.IsNullOrEmpty(message))
+        {
+            gather.Say(message);
+        }
+        gather.Pause(interval);
+        response.Append(gather);
+        return response;
+    }
+}
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Settings/TwilioSetting.cs b/src/Plugins/BotSharp.Plugin.Twilio/Settings/TwilioSetting.cs
@@ -0,0 +1,9 @@
+namespace BotSharp.Plugin.Twilio.Settings;
+
+public class TwilioSetting
+{
+    public string PhoneNumber { get; set; }
+    public string AccountSID { get; set; }
+    public string AuthToken { get; set; }
+    public string CallbackHost { get; set; }
+}
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/TwilioPlugin.cs b/src/Plugins/BotSharp.Plugin.Twilio/TwilioPlugin.cs
@@ -0,0 +1,16 @@
+using BotSharp.Abstraction.Plugins;
+using BotSharp.Plugin.Twilio.Settings;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace BotSharp.Plugin.Twilio;
+
+public class TwilioPlugin : IBotSharpPlugin
+{
+    public void RegisterDI(IServiceCollection services, IConfiguration config)
+    {
+        var setting = new TwilioSetting();
+        config.Bind("Twilio", setting);
+        services.AddSingleton(setting);
+    }
+}
diff --git a/src/Plugins/BotSharp.Plugin.Twilio/Using.cs b/src/Plugins/BotSharp.Plugin.Twilio/Using.cs
@@ -0,0 +1,17 @@
+global using System;
+global using System.Collections.Generic;
+global using System.Text;
+global using System.Threading.Tasks;
+global using System.Linq;
+global using System.Text.Json;
+global using Microsoft.Extensions.DependencyInjection;
+global using Microsoft.Extensions.Configuration;
+global using Microsoft.Extensions.Logging;
+global using BotSharp.Abstraction.Functions;
+global using BotSharp.Abstraction.Functions.Models;
+global using BotSharp.Abstraction.Agents.Enums;
+global using BotSharp.Abstraction.Models;
+global using BotSharp.Abstraction.Agents;
+global using BotSharp.Abstraction.Conversations;
+global using BotSharp.Abstraction.Plugins;
+global using BotSharp.Abstraction.Conversations.Models;
diff --git a/src/WebStarter/WebStarter.csproj b/src/WebStarter/WebStarter.csproj
@@ -63,6 +63,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\tests\BotSharp.Plugin.PizzaBot\BotSharp.Plugin.PizzaBot.csproj" />
+    <ProjectReference Include="..\Plugins\BotSharp.Plugin.Twilio\BotSharp.Plugin.Twilio.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/src/WebStarter/appsettings.json b/src/WebStarter/appsettings.json
@@ -89,6 +89,13 @@
     "PageAccessToken": ""
   },
 
+  "Twilio": {
+    "PhoneNumber": "+1",
+    "AccountSID": "",
+    "AuthToken": "",
+    "CallbackHost": "https://"
+  },
+
   "Database": {
     "Default": "FileRepository",
     "TablePrefix": "BotSharp",
@@ -132,6 +139,7 @@
       "BotSharp.Plugin.AzureOpenAI",
       "BotSharp.Plugin.GoogleAI",
       "BotSharp.Plugin.MetaAI",
+      // "BotSharp.Plugin.Twilio",
       "BotSharp.Plugin.HuggingFace",
       "BotSharp.Plugin.LLamaSharp",
       "BotSharp.Plugin.KnowledgeBase",