Add a new translator module. Add IOpenAiClient interface. Update to 2…

….6.0.

OpenAI.ChatGpt.AspNetCore/ChatGPTFactory.cs

@@ -18,7 +18,7 @@ namespace OpenAI.ChatGpt.AspNetCore;
 // ReSharper disable once InconsistentNaming
 public class ChatGPTFactory : IDisposable
 {
-    private readonly OpenAiClient _client;
+    private readonly IOpenAiClient _client;
     private readonly ChatGPTConfig _config;
     private readonly IChatHistoryStorage _chatHistoryStorage;
     private readonly ITimeProvider _clock;

OpenAI.ChatGpt.AspNetCore/OpenAI.ChatGpt.AspNetCore.csproj

@@ -8,7 +8,7 @@
         <PackageId>OpenAI.ChatGPT.AspNetCore</PackageId>
         <PackageProjectUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</PackageProjectUrl>
         <Product>OpenAI ChatGPT integration for .NET with DI</Product>
-        <Version>2.5.0</Version>
+        <Version>2.6.0</Version>
         <Description>OpenAI Chat Completions API (ChatGPT) integration with easy DI supporting (Microsoft.Extensions.DependencyInjection). It allows you to use the API in your .NET applications. Also, the client supports streaming responses (like ChatGPT) via async streams.</Description>
         <RepositoryUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</RepositoryUrl>
         <TargetFrameworks>net6.0;net7.0</TargetFrameworks>

OpenAI.ChatGpt.EntityFrameworkCore/OpenAI.ChatGpt.EntityFrameworkCore.csproj

@@ -9,7 +9,7 @@
         <PackageId>OpenAI.ChatGPT.EntityFrameworkCore</PackageId>
         <PackageProjectUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</PackageProjectUrl>
         <Product>OpenAI ChatGPT integration for .NET with EF Core storage</Product>
-        <Version>2.5.0</Version>
+        <Version>2.6.0</Version>
         <Description>OpenAI Chat Completions API (ChatGPT) integration with DI and EF Core supporting. It allows you to use the API in your .NET applications. Also, the client supports streaming responses (like ChatGPT) via async streams.</Description>
         <RepositoryUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</RepositoryUrl>
         <TargetFrameworks>net6.0;net7.0</TargetFrameworks>

OpenAI.ChatGpt.Modules.Translator/ChatGPTTranslatorService.cs

@@ -0,0 +1,75 @@
+using OpenAI.ChatGpt.Models.ChatCompletion;
+
+namespace OpenAI.ChatGpt.Modules.Translator;
+
+public class ChatGPTTranslatorService : IDisposable
+{
+    private readonly IOpenAiClient _client;
+    private readonly string? _defaultSourceLanguage;
+    private readonly string? _defaultTargetLanguage;
+    private readonly string? _extraPrompt;
+    private readonly bool _isHttpClientInjected;
+
+    public ChatGPTTranslatorService(
+        IOpenAiClient client,
+        string? defaultSourceLanguage = null,
+        string? defaultTargetLanguage = null,
+        string? extraPrompt = null)
+    {
+        _client = client ?? throw new ArgumentNullException(nameof(client));
+        _isHttpClientInjected = true;
+        _defaultSourceLanguage = defaultSourceLanguage;
+        _defaultTargetLanguage = defaultTargetLanguage;
+        _extraPrompt = extraPrompt;
+    }
+
+    public ChatGPTTranslatorService(
+        string apiKey, 
+        string? host,
+        string? defaultSourceLanguage = null,
+        string? defaultTargetLanguage = null,
+        string? extraPrompt = null)
+    {
+        ArgumentNullException.ThrowIfNull(apiKey);
+        _client = new OpenAiClient(apiKey, host);
+        _defaultSourceLanguage = defaultSourceLanguage;
+        _defaultTargetLanguage = defaultTargetLanguage;
+        _extraPrompt = extraPrompt;
+    }
+
+    public void Dispose()
+    {
+        if (!_isHttpClientInjected)
+        {
+            _client.Dispose();
+        }
+    }
+
+    public async Task<string> Translate(
+        string text,
+        string? sourceLanguage = null,
+        string? targetLanguage = null,
+        Action<ChatCompletionRequest>? requestModifier = null,
+        CancellationToken cancellationToken = default)
+    {
+        if (text == null) throw new ArgumentNullException(nameof(text));
+        var sourceLanguageOrDefault = sourceLanguage ?? _defaultSourceLanguage;
+        var targetLanguageOrDefault = targetLanguage ?? _defaultTargetLanguage;
+        var prompt = GetPrompt(sourceLanguageOrDefault, targetLanguageOrDefault);
+        var response = await _client.GetChatCompletions(
+            Dialog.StartAsSystem(prompt).ThenUser(text),
+            user: null,
+            requestModifier: requestModifier,
+            cancellationToken: cancellationToken
+        );
+        return response;
+    }
+
+    private string GetPrompt(string sourceLanguage, string targetLanguage)
+    {
+        return $"I want you to act as a translator from {sourceLanguage} to {targetLanguage}. " +
+               "I will provide you with an English sentence and you will translate it into Russian. " +
+               "In the response write ONLY translated text."
+            + (_extraPrompt is not null ? "\n" + _extraPrompt : "");
+    }
+}

OpenAI.ChatGpt.Modules.Translator/OpenAI.ChatGpt.Modules.Translator.csproj

@@ -0,0 +1,32 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <LangVersion>11</LangVersion>
+        <Authors>Rodion Mostovoi</Authors>
+        <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+        <PackageId>OpenAI.ChatGPT.Modules.Translator</PackageId>
+        <PackageProjectUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</PackageProjectUrl>
+        <Product>OpenAI ChatGPT based language translator</Product>
+        <Version>2.6.0</Version>
+        <Description>OpenAI ChatGPT based language translator.</Description>
+        <RepositoryUrl>https://github.com/rodion-m/ChatGPT_API_dotnet</RepositoryUrl>
+        <TargetFrameworks>net6.0;net7.0</TargetFrameworks>
+        <PackageTags>chatgpt, openai, sdk, api, chatcompletions, gpt3, gpt4, translator</PackageTags>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <Title>OpenAI ChatGPT based language translator</Title>
+        <Copyright>Rodion Mostovoi</Copyright>
+    </PropertyGroup>
+
+    <PropertyGroup>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+        <TargetFrameworks>net7.0;net6.0</TargetFrameworks>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\OpenAI.ChatGpt\OpenAI.ChatGpt.csproj" />
+    </ItemGroup>
+
+</Project>

OpenAI.ChatGpt/ChatGPT.cs

@@ -14,7 +14,7 @@ public class ChatGPT : IDisposable
     private readonly IChatHistoryStorage _storage;
     private readonly ITimeProvider _clock;
     private readonly ChatGPTConfig? _config;
-    private readonly OpenAiClient _client;
+    private readonly IOpenAiClient _client;
     private ChatService? _currentChat;
 
     private static readonly string NoUser = Guid.Empty.ToString();
@@ -24,7 +24,7 @@ public class ChatGPT : IDisposable
     /// Use this constructor to create chat conversation provider for the specific user.
     /// </summary>
     public ChatGPT(
-        OpenAiClient client,
+        IOpenAiClient client,
         IChatHistoryStorage chatHistoryStorage,
         ITimeProvider clock,
         string userId,
@@ -42,7 +42,7 @@ public ChatGPT(
     /// If you don't have users use this ChatGPT constructor.
     /// </summary>
     public ChatGPT(
-        OpenAiClient client,
+        IOpenAiClient client,
         IChatHistoryStorage chatHistoryStorage,
         ITimeProvider clock,
         ChatGPTConfig? config)