feat: implement IChatClient

Author: ikesnowy

Cnblogs.DashScope.Sdk.sln

@@ -18,6 +18,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Cnblogs.DashScope.Core", "s
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Cnblogs.DashScope.Sdk.SnapshotGenerator", "test\Cnblogs.DashScope.Sdk.SnapshotGenerator\Cnblogs.DashScope.Sdk.SnapshotGenerator.csproj", "{5088DE77-1CE3-46FB-B9D0-27A6C9A5EED1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Cnblogs.Extensions.AI.DashScope", "src\Cnblogs.Extensions.AI.DashScope\Cnblogs.Extensions.AI.DashScope.csproj", "{5D5AD75A-8084-4738-AC56-B8A23E649452}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -30,6 +32,7 @@ Global
 		{C910495B-87AB-4AC1-989C-B6720695A139} = {008988ED-0A3B-4272-BCC3-7B4110699345}
 		{CC389455-A3EA-4F09-B524-4DC351A1E1AA} = {008988ED-0A3B-4272-BCC3-7B4110699345}
 		{5088DE77-1CE3-46FB-B9D0-27A6C9A5EED1} = {CFC8ECB3-5248-46CD-A56C-EC088F2A3804}
+		{5D5AD75A-8084-4738-AC56-B8A23E649452} = {008988ED-0A3B-4272-BCC3-7B4110699345}
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{FA6A118A-8D26-4B7A-9952-8504B8A0025B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
@@ -56,5 +59,9 @@ Global
 		{5088DE77-1CE3-46FB-B9D0-27A6C9A5EED1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5088DE77-1CE3-46FB-B9D0-27A6C9A5EED1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5088DE77-1CE3-46FB-B9D0-27A6C9A5EED1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5D5AD75A-8084-4738-AC56-B8A23E649452}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5D5AD75A-8084-4738-AC56-B8A23E649452}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5D5AD75A-8084-4738-AC56-B8A23E649452}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5D5AD75A-8084-4738-AC56-B8A23E649452}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

src/Cnblogs.DashScope.Core/MultimodalMessageContent.cs

@@ -33,6 +33,26 @@ public static MultimodalMessageContent ImageContent(string url, int? minPixels =
         return new MultimodalMessageContent(url, MinPixels: minPixels, MaxPixels: maxPixels);
     }
 
+    /// <summary>
+    /// Represents an image content.
+    /// </summary>
+    /// <param name="bytes">Image binary to sent using base64 data uri.</param>
+    /// <param name="mediaType">Image media type.</param>
+    /// <param name="minPixels">For qwen-vl-ocr only. Minimal pixels for ocr task.</param>
+    /// <param name="maxPixels">For qwen-vl-ocr only. Maximum pixels for ocr task.</param>
+    /// <returns></returns>
+    public static MultimodalMessageContent ImageContent(
+        ReadOnlySpan<byte> bytes,
+        string mediaType,
+        int? minPixels = null,
+        int? maxPixels = null)
+    {
+        return ImageContent(
+            $"data:{mediaType};base64,{Convert.ToBase64String(bytes)}",
+            minPixels,
+            maxPixels);
+    }
+
     /// <summary>
     /// Represents a text content.
     /// </summary>

src/Cnblogs.DashScope.Core/ToolCall.cs

@@ -5,5 +5,6 @@
 /// </summary>
 /// <param name="Id">Id of this tool call.</param>
 /// <param name="Type">Type of the tool.</param>
+/// <param name="Index">Index of this tool in input tool list.</param>
 /// <param name="Function">Not null if type is function.</param>
-public record ToolCall(string? Id, string Type, FunctionCall? Function);
+public record ToolCall(string? Id, string Type, int Index, FunctionCall Function);

src/Cnblogs.DashScope.Sdk/Cnblogs.DashScope.Sdk.csproj

@@ -6,7 +6,6 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="JsonSchema.Net.Generation" Version="4.5.1" />
-    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.0.1-preview.1.24570.5" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Cnblogs.DashScope.Core\Cnblogs.DashScope.Core.csproj" />

src/Cnblogs.DashScope.Sdk/DashScopeChatClient.cs

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <Product>Cnblogs.Extensions.AI.DashScope</Product>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <PackageTags>Cnblogs;Dashscope;Microsoft.Extensions.AI;Sdk;Embedding;</PackageTags>
+    <Description>Implementation of generative AI abstractions for DashScope endpoints.</Description>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Cnblogs.DashScope.Sdk\Cnblogs.DashScope.Sdk.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.AI.Abstractions" Version="9.0.1-preview.1.24570.5"/>
+  </ItemGroup>
+
+</Project>