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✨ Thinking

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This commit is contained in:
LittleSheep
2025-10-25 23:32:51 +08:00
parent 93f7dfd379
commit 609b130b4e
19 changed files with 829 additions and 80 deletions
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30
DysonNetwork.Develop/AppDatabase.cs
View File

@@ -1,6 +1,7 @@
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using NodaTime;
namespace DysonNetwork.Develop;
@@ -30,6 +31,35 @@ public class AppDatabase(
base.OnConfiguring(optionsBuilder);
}
public override async Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
{
var now = SystemClock.Instance.GetCurrentInstant();
foreach (var entry in ChangeTracker.Entries<ModelBase>())
{
switch (entry.State)
{
case EntityState.Added:
entry.Entity.CreatedAt = now;
entry.Entity.UpdatedAt = now;
break;
case EntityState.Modified:
entry.Entity.UpdatedAt = now;
break;
case EntityState.Deleted:
entry.State = EntityState.Modified;
entry.Entity.DeletedAt = now;
break;
case EntityState.Detached:
case EntityState.Unchanged:
default:
break;
}
}
return await base.SaveChangesAsync(cancellationToken);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);

2
DysonNetwork.Develop/DysonNetwork.Develop.csproj
View File

@@ -10,7 +10,7 @@
<ItemGroup>
<PackageReference Include="EFCore.NamingConventions" Version="9.0.0" />
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.7">
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>

2
DysonNetwork.Drive/DysonNetwork.Drive.csproj
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@@ -13,7 +13,7 @@
<PackageReference Include="FFMpegCore" Version="5.2.0" />
<PackageReference Include="Grpc.AspNetCore.Server" Version="2.71.0" />
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.7">
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
</PackageReference>

34
DysonNetwork.Insight/AppDatabase.cs
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@@ -1,5 +1,7 @@
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using NodaTime;
namespace DysonNetwork.Insight;
@@ -8,6 +10,9 @@ public class AppDatabase(
IConfiguration configuration
) : DbContext(options)
{
public DbSet<SnThinkingSequence> ThinkingSequences { get; set; }
public DbSet<SnThinkingThought> ThinkingThoughts { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
optionsBuilder.UseNpgsql(
@@ -21,6 +26,35 @@ public class AppDatabase(
base.OnConfiguring(optionsBuilder);
}
public override async Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
{
var now = SystemClock.Instance.GetCurrentInstant();
foreach (var entry in ChangeTracker.Entries<ModelBase>())
{
switch (entry.State)
{
case EntityState.Added:
entry.Entity.CreatedAt = now;
entry.Entity.UpdatedAt = now;
break;
case EntityState.Modified:
entry.Entity.UpdatedAt = now;
break;
case EntityState.Deleted:
entry.State = EntityState.Modified;
entry.Entity.DeletedAt = now;
break;
case EntityState.Detached:
case EntityState.Unchanged:
default:
break;
}
}
return await base.SaveChangesAsync(cancellationToken);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);

4
DysonNetwork.Insight/DysonNetwork.Insight.csproj
View File

@@ -9,6 +9,10 @@
<ItemGroup>
<PackageReference Include="EFCore.NamingConventions" Version="9.0.0" />
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Microsoft.SemanticKernel" Version="1.66.0" />
<PackageReference Include="Microsoft.SemanticKernel.Connectors.Ollama" Version="1.66.0-alpha" />
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />

124
DysonNetwork.Insight/Migrations/20251025115921_AddThinkingThought.Designer.cs generated Normal file
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@@ -0,0 +1,124 @@
// <auto-generated />
using System;
using System.Collections.Generic;
using DysonNetwork.Insight;
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using NodaTime;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
#nullable disable
namespace DysonNetwork.Insight.Migrations
{
[DbContext(typeof(AppDatabase))]
[Migration("20251025115921_AddThinkingThought")]
partial class AddThinkingThought
{
/// <inheritdoc />
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "9.0.10")
.HasAnnotation("Relational:MaxIdentifierLength", 63);
NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingSequence", b =>
{
b.Property<Guid>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("uuid")
.HasColumnName("id");
b.Property<Guid>("AccountId")
.HasColumnType("uuid")
.HasColumnName("account_id");
b.Property<Instant>("CreatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("created_at");
b.Property<Instant?>("DeletedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("deleted_at");
b.Property<string>("Topic")
.HasMaxLength(4096)
.HasColumnType("character varying(4096)")
.HasColumnName("topic");
b.Property<Instant>("UpdatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("updated_at");
b.HasKey("Id")
.HasName("pk_thinking_sequences");
b.ToTable("thinking_sequences", (string)null);
});
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingThought", b =>
{
b.Property<Guid>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("uuid")
.HasColumnName("id");
b.Property<string>("Content")
.HasColumnType("text")
.HasColumnName("content");
b.Property<Instant>("CreatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("created_at");
b.Property<Instant?>("DeletedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("deleted_at");
b.Property<List<SnCloudFileReferenceObject>>("Files")
.IsRequired()
.HasColumnType("jsonb")
.HasColumnName("files");
b.Property<int>("Role")
.HasColumnType("integer")
.HasColumnName("role");
b.Property<Guid>("SequenceId")
.HasColumnType("uuid")
.HasColumnName("sequence_id");
b.Property<Instant>("UpdatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("updated_at");
b.HasKey("Id")
.HasName("pk_thinking_thoughts");
b.HasIndex("SequenceId")
.HasDatabaseName("ix_thinking_thoughts_sequence_id");
b.ToTable("thinking_thoughts", (string)null);
});
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingThought", b =>
{
b.HasOne("DysonNetwork.Shared.Models.SnThinkingSequence", "Sequence")
.WithMany()
.HasForeignKey("SequenceId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired()
.HasConstraintName("fk_thinking_thoughts_thinking_sequences_sequence_id");
b.Navigation("Sequence");
});
#pragma warning restore 612, 618
}
}
}

73
DysonNetwork.Insight/Migrations/20251025115921_AddThinkingThought.cs Normal file
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@@ -0,0 +1,73 @@
using System;
using System.Collections.Generic;
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore.Migrations;
using NodaTime;
#nullable disable
namespace DysonNetwork.Insight.Migrations
{
/// <inheritdoc />
public partial class AddThinkingThought : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "thinking_sequences",
columns: table => new
{
id = table.Column<Guid>(type: "uuid", nullable: false),
topic = table.Column<string>(type: "character varying(4096)", maxLength: 4096, nullable: true),
account_id = table.Column<Guid>(type: "uuid", nullable: false),
created_at = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
updated_at = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
deleted_at = table.Column<Instant>(type: "timestamp with time zone", nullable: true)
},
constraints: table =>
{
table.PrimaryKey("pk_thinking_sequences", x => x.id);
});
migrationBuilder.CreateTable(
name: "thinking_thoughts",
columns: table => new
{
id = table.Column<Guid>(type: "uuid", nullable: false),
content = table.Column<string>(type: "text", nullable: true),
files = table.Column<List<SnCloudFileReferenceObject>>(type: "jsonb", nullable: false),
role = table.Column<int>(type: "integer", nullable: false),
sequence_id = table.Column<Guid>(type: "uuid", nullable: false),
created_at = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
updated_at = table.Column<Instant>(type: "timestamp with time zone", nullable: false),
deleted_at = table.Column<Instant>(type: "timestamp with time zone", nullable: true)
},
constraints: table =>
{
table.PrimaryKey("pk_thinking_thoughts", x => x.id);
table.ForeignKey(
name: "fk_thinking_thoughts_thinking_sequences_sequence_id",
column: x => x.sequence_id,
principalTable: "thinking_sequences",
principalColumn: "id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateIndex(
name: "ix_thinking_thoughts_sequence_id",
table: "thinking_thoughts",
column: "sequence_id");
}
/// <inheritdoc />
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "thinking_thoughts");
migrationBuilder.DropTable(
name: "thinking_sequences");
}
}
}

121
DysonNetwork.Insight/Migrations/AppDatabaseModelSnapshot.cs Normal file
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@@ -0,0 +1,121 @@
// <auto-generated />
using System;
using System.Collections.Generic;
using DysonNetwork.Insight;
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using NodaTime;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
#nullable disable
namespace DysonNetwork.Insight.Migrations
{
[DbContext(typeof(AppDatabase))]
partial class AppDatabaseModelSnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "9.0.10")
.HasAnnotation("Relational:MaxIdentifierLength", 63);
NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingSequence", b =>
{
b.Property<Guid>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("uuid")
.HasColumnName("id");
b.Property<Guid>("AccountId")
.HasColumnType("uuid")
.HasColumnName("account_id");
b.Property<Instant>("CreatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("created_at");
b.Property<Instant?>("DeletedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("deleted_at");
b.Property<string>("Topic")
.HasMaxLength(4096)
.HasColumnType("character varying(4096)")
.HasColumnName("topic");
b.Property<Instant>("UpdatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("updated_at");
b.HasKey("Id")
.HasName("pk_thinking_sequences");
b.ToTable("thinking_sequences", (string)null);
});
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingThought", b =>
{
b.Property<Guid>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("uuid")
.HasColumnName("id");
b.Property<string>("Content")
.HasColumnType("text")
.HasColumnName("content");
b.Property<Instant>("CreatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("created_at");
b.Property<Instant?>("DeletedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("deleted_at");
b.Property<List<SnCloudFileReferenceObject>>("Files")
.IsRequired()
.HasColumnType("jsonb")
.HasColumnName("files");
b.Property<int>("Role")
.HasColumnType("integer")
.HasColumnName("role");
b.Property<Guid>("SequenceId")
.HasColumnType("uuid")
.HasColumnName("sequence_id");
b.Property<Instant>("UpdatedAt")
.HasColumnType("timestamp with time zone")
.HasColumnName("updated_at");
b.HasKey("Id")
.HasName("pk_thinking_thoughts");
b.HasIndex("SequenceId")
.HasDatabaseName("ix_thinking_thoughts_sequence_id");
b.ToTable("thinking_thoughts", (string)null);
});
modelBuilder.Entity("DysonNetwork.Shared.Models.SnThinkingThought", b =>
{
b.HasOne("DysonNetwork.Shared.Models.SnThinkingSequence", "Sequence")
.WithMany()
.HasForeignKey("SequenceId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired()
.HasConstraintName("fk_thinking_thoughts_thinking_sequences_sequence_id");
b.Navigation("Sequence");
});
#pragma warning restore 612, 618
}
}
}

2
DysonNetwork.Insight/Program.cs
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@@ -1,5 +1,6 @@
using DysonNetwork.Insight;
using DysonNetwork.Insight.Startup;
using DysonNetwork.Shared.Auth;
using DysonNetwork.Shared.Http;
using DysonNetwork.Shared.Registry;
using Microsoft.EntityFrameworkCore;
@@ -16,6 +17,7 @@ builder.Services.AddAppAuthentication();
builder.Services.AddAppFlushHandlers();
builder.Services.AddAppBusinessServices();
builder.Services.AddDysonAuth();
builder.Services.AddAccountService();
builder.Services.AddSphereService();
builder.Services.AddThinkingServices(builder.Configuration);

5
DysonNetwork.Insight/Startup/ServiceCollectionExtensions.cs
View File

@@ -1,6 +1,6 @@
using System.Text.Json;
using System.Text.Json.Serialization;
using DysonNetwork.Insight.Thinking;
using DysonNetwork.Insight.Thought;
using DysonNetwork.Shared.Cache;
using Microsoft.SemanticKernel;
using NodaTime;
@@ -65,7 +65,8 @@ public static class ServiceCollectionExtensions
public static IServiceCollection AddThinkingServices(this IServiceCollection services, IConfiguration configuration)
{
services.AddSingleton<ThinkingProvider>();
services.AddSingleton<ThoughtProvider>();
services.AddScoped<ThoughtService>();
return services;
}

68
DysonNetwork.Insight/Thinking/ThinkingController.cs
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@@ -1,68 +0,0 @@
using System.ComponentModel.DataAnnotations;
using Microsoft.AspNetCore.Mvc;
using Microsoft.SemanticKernel.ChatCompletion;
using System.Text;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.Connectors.Ollama;
namespace DysonNetwork.Insight.Thinking;
[ApiController]
[Route("/api/thinking")]
public class ThinkingController(ThinkingProvider provider) : ControllerBase
{
public class StreamThinkingRequest
{
[Required] public string UserMessage { get; set; } = null!;
}
[HttpPost("stream")]
public async Task ChatStream([FromBody] StreamThinkingRequest request)
{
// Set response for streaming
Response.Headers.Append("Content-Type", "text/event-stream");
Response.StatusCode = 200;
var kernel = provider.Kernel;
var chatCompletionService = kernel.GetRequiredService<IChatCompletionService>();
var chatHistory = new ChatHistory(
"You're a helpful assistant on the Solar Network, a social network.\n" +
"Your name is Sn-chan, a cute sweet heart with passion for almost everything.\n" +
"\n" +
"Your aim is to helping solving questions for the users on the Solar Network.\n" +
"And the Solar Network is the social network platform you live on.\n" +
"When the user ask questions about the Solar Network (also known as SN and Solian), try use the tools you have to get latest and accurate data."
);
chatHistory.AddUserMessage(request.UserMessage);
// Kick off streaming generation
var accumulatedContent = new StringBuilder();
await foreach (var chunk in chatCompletionService.GetStreamingChatMessageContentsAsync(
chatHistory,
new OllamaPromptExecutionSettings
{
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(
options: new FunctionChoiceBehaviorOptions()
{
AllowParallelCalls = true,
AllowConcurrentInvocation = true
})
},
kernel: kernel
))
{
// Write each chunk to the HTTP response as SSE
var data = chunk.Content ?? "";
accumulatedContent.Append(data);
if (string.IsNullOrEmpty(data)) continue;
var bytes = Encoding.UTF8.GetBytes(data);
await Response.Body.WriteAsync(bytes);
await Response.Body.FlushAsync();
}
// Optionally: after finishing streaming, you can save the assistant message to history.
}
}

137
DysonNetwork.Insight/Thought/README.md Normal file
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@@ -0,0 +1,137 @@
# DysonNetwork Insight Thought API
The Thought API provides conversational AI capabilities for users of the Solar Network. It allows users to engage in chat-like conversations with an AI assistant powered by semantic kernel and connected to various tools.
This service is handled by the Insight, when using with the Gateway, the `/api` should be replaced with `/insight`
## Features
- Streaming chat responses using Server-Sent Events (SSE)
- Conversation context management with sequences
- Caching for improved performance
- Authentication required for all operations
## Endpoints
### POST /api/thought
Initiates or continues a chat conversation.
#### Parameters
- `UserMessage` (string, required): The message from the user
- `SequenceId` (Guid, optional): ID of existing conversation sequence. If not provided, a new sequence is created.
#### Response
- Content-Type: `text/event-stream`
- Streaming response with assistant messages
- Status: 401 if not authenticated
- Status: 403 if sequence doesn't belong to user
#### Example Usage
```bash
curl -X POST "http://localhost:5000/api/thought" \
-H "Content-Type: application/json" \
-d '{
"UserMessage": "Hello, how can I help with the Solar Network?",
"SequenceId": null
}'
```
### GET /api/thought/sequences
Lists all thinking sequences for the authenticated user.
#### Parameters
- `offset` (int, default 0): Number of sequences to skip for pagination
- `take` (int, default 20): Maximum number of sequences to return
#### Response
- `200 OK`: Array of `SnThinkingSequence`
- `401 Unauthorized`: If not authenticated
- Headers:
- `X-Total`: Total number of sequences before pagination
#### Example Usage
```bash
curl -X GET "http://localhost:5000/api/thought/sequences?take=10"
```
### GET /api/thought/sequences/{sequenceId}
Retrieves all thoughts (messages) in a specific conversation sequence.
#### Parameters
- `sequenceId` (Guid, path): ID of the sequence to retrieve
#### Response
- `200 OK`: Array of `SnThinkingThought` ordered by creation date
- `401 Unauthorized`: If not authenticated
- `404 Not Found`: If sequence doesn't exist or doesn't belong to user
#### Example Usage
```bash
curl -X GET "http://localhost:5000/api/thought/sequences/12345678-1234-1234-1234-123456789abc"
```
## Data Models
### StreamThinkingRequest
```csharp
{
string UserMessage, // Required
Guid? SequenceId // Optional
}
```
### SnThinkingSequence
```csharp
{
Guid Id,
string? Topic,
Guid AccountId
}
```
### SnThinkingThought
```csharp
{
Guid Id,
string? Content,
List<SnCloudFileReferenceObject> Files,
ThinkingThoughtRole Role,
Guid SequenceId,
SnThinkingSequence Sequence
}
```
### ThinkingThoughtRole (enum)
- `Assistant`
- `User`
## Caching
The API uses Redis-based caching for conversation thoughts:
- Thoughts are cached for 10 minutes with group-based invalidation
- Cache is invalidated when new thoughts are added to a sequence
- Improves performance for accessing conversation history
## Authentication
All endpoints require authentication through the current user session. Sequence access is validated against the authenticated user's account ID.
## Error Responses
- `401 Unauthorized`: Authentication required
- `403 Forbidden`: Access denied (sequence ownership)
- `404 Not Found`: Resource not found
## Streaming Details
The POST endpoint returns a stream of assistant responses using Server-Sent Events format. Clients should handle the streaming response and display messages incrementally.
## Implementation Notes
- Built with ASP.NET Core and Semantic Kernel
- Uses PostgreSQL via Entity Framework Core
- Integrated with Ollama for AI completion
- Caching via Redis

185
DysonNetwork.Insight/Thought/ThoughtController.cs Normal file
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@@ -0,0 +1,185 @@
using System.ComponentModel.DataAnnotations;
using System.Text;
using System.Text.Json;
using DysonNetwork.Shared.Models;
using DysonNetwork.Shared.Proto;
using Microsoft.AspNetCore.Mvc;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.ChatCompletion;
using Microsoft.SemanticKernel.Connectors.Ollama;
namespace DysonNetwork.Insight.Thought;
[ApiController]
[Route("/api/thought")]
public class ThoughtController(ThoughtProvider provider, ThoughtService service) : ControllerBase
{
public class StreamThinkingRequest
{
[Required] public string UserMessage { get; set; } = null!;
public Guid? SequenceId { get; set; }
}
[HttpPost]
public async Task<ActionResult> Think([FromBody] StreamThinkingRequest request)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
var accountId = Guid.Parse(currentUser.Id);
// Generate topic if creating new sequence
string? topic = null;
if (!request.SequenceId.HasValue)
{
// Use AI to summarize topic from user message
var summaryHistory = new ChatHistory(
"You are a helpful assistant. Summarize the following user message into a concise topic title (max 100 characters)."
);
summaryHistory.AddUserMessage(request.UserMessage);
var summaryResult = await provider.Kernel.GetRequiredService<IChatCompletionService>()
.GetChatMessageContentAsync(summaryHistory);
topic = summaryResult.Content?.Substring(0, Math.Min(summaryResult.Content.Length, 4096));
}
// Handle sequence
var sequence = await service.GetOrCreateSequenceAsync(accountId, request.SequenceId, topic);
if (sequence == null) return Forbid(); // or NotFound
// Save user thought
await service.SaveThoughtAsync(sequence, request.UserMessage, ThinkingThoughtRole.User);
// Build chat history
var chatHistory = new ChatHistory(
"You're a helpful assistant on the Solar Network, a social network.\n" +
"Your name is Sn-chan, a cute sweet heart with passion for almost everything.\n" +
"When you talk to user, you can add some modal particles and emoticons to your response to be cute, but prevent use a lot of emojis." +
"\n" +
"Your aim is to helping solving questions for the users on the Solar Network.\n" +
"And the Solar Network is the social network platform you live on.\n" +
"When the user asks questions about the Solar Network (also known as SN and Solian), try use the tools you have to get latest and accurate data."
);
// Add previous thoughts (excluding the current user thought, which is the last one)
var previousThoughts = await service.GetPreviousThoughtsAsync(sequence);
var count = previousThoughts.Count;
for (var i = 0; i < count - 1; i++)
{
var thought = previousThoughts[i];
switch (thought.Role)
{
case ThinkingThoughtRole.User:
chatHistory.AddUserMessage(thought.Content ?? "");
break;
case ThinkingThoughtRole.Assistant:
chatHistory.AddAssistantMessage(thought.Content ?? "");
break;
default:
throw new ArgumentOutOfRangeException();
}
}
chatHistory.AddUserMessage(request.UserMessage);
// Set response for streaming
Response.Headers.Append("Content-Type", "text/event-stream");
Response.StatusCode = 200;
var kernel = provider.Kernel;
var chatCompletionService = kernel.GetRequiredService<IChatCompletionService>();
// Kick off streaming generation
var accumulatedContent = new StringBuilder();
await foreach (var chunk in chatCompletionService.GetStreamingChatMessageContentsAsync(
chatHistory,
new OllamaPromptExecutionSettings
{
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(
options: new FunctionChoiceBehaviorOptions()
{
AllowParallelCalls = true,
AllowConcurrentInvocation = true
})
},
kernel: kernel
))
{
// Write each chunk to the HTTP response as SSE
var data = chunk.Content ?? "";
accumulatedContent.Append(data);
if (string.IsNullOrEmpty(data)) continue;
var bytes = Encoding.UTF8.GetBytes(data);
await Response.Body.WriteAsync(bytes);
await Response.Body.FlushAsync();
}
// Save assistant thought
var savedThought = await service.SaveThoughtAsync(sequence, accumulatedContent.ToString(), ThinkingThoughtRole.Assistant);
// Write the topic if it was newly set, then the thought object as JSON to the stream
using (var streamBuilder = new MemoryStream())
{
await streamBuilder.WriteAsync("\n"u8.ToArray());
if (topic != null)
{
await streamBuilder.WriteAsync(Encoding.UTF8.GetBytes($"<topic>{sequence.Topic ?? ""}</topic>\n"));
}
await streamBuilder.WriteAsync(Encoding.UTF8.GetBytes(JsonSerializer.Serialize(savedThought, GrpcTypeHelper.SerializerOptions)));
var outputBytes = streamBuilder.ToArray();
await Response.Body.WriteAsync(outputBytes);
await Response.Body.FlushAsync();
}
// Return empty result since we're streaming
return new EmptyResult();
}
/// <summary>
/// Retrieves a paginated list of thinking sequences for the authenticated user.
/// </summary>
/// <param name="offset">The number of sequences to skip for pagination.</param>
/// <param name="take">The maximum number of sequences to return (default: 20).</param>
/// <returns>
/// Returns an ActionResult containing a list of thinking sequences.
/// Includes an X-Total header with the total count of sequences before pagination.
/// </returns>
[HttpGet("sequences")]
[ProducesResponseType(StatusCodes.Status200OK)]
public async Task<ActionResult<List<SnThinkingSequence>>> ListSequences(
[FromQuery] int offset = 0,
[FromQuery] int take = 20
)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
var accountId = Guid.Parse(currentUser.Id);
var (totalCount, sequences) = await service.ListSequencesAsync(accountId, offset, take);
Response.Headers["X-Total"] = totalCount.ToString();
return Ok(sequences);
}
/// <summary>
/// Retrieves the thoughts in a specific thinking sequence.
/// </summary>
/// <param name="sequenceId">The ID of the sequence to retrieve thoughts from.</param>
/// <returns>
/// Returns an ActionResult containing a list of thoughts in the sequence, ordered by creation date.
/// </returns>
[HttpGet("sequences/{sequenceId:guid}")]
[ProducesResponseType(StatusCodes.Status200OK)]
[ProducesResponseType(StatusCodes.Status404NotFound)]
public async Task<ActionResult<List<SnThinkingThought>>> GetSequenceThoughts(Guid sequenceId)
{
if (HttpContext.Items["CurrentUser"] is not Account currentUser) return Unauthorized();
var accountId = Guid.Parse(currentUser.Id);
var sequence = await service.GetOrCreateSequenceAsync(accountId, sequenceId);
if (sequence == null) return NotFound();
var thoughts = await service.GetPreviousThoughtsAsync(sequence);
return Ok(thoughts);
}
}

9
DysonNetwork.Insight/Thinking/ThinkingProvider.cs → DysonNetwork.Insight/Thought/ThoughtProvider.cs
View File

@@ -1,11 +1,10 @@
using System.Text.Json;
using DysonNetwork.Shared.Proto;
using Microsoft.SemanticKernel;
using Microsoft.Extensions.Configuration;
using System.Text.Json;
namespace DysonNetwork.Insight.Thinking;
namespace DysonNetwork.Insight.Thought;
public class ThinkingProvider
public class ThoughtProvider
{
private readonly Kernel _kernel;
private readonly PostService.PostServiceClient _postClient;
@@ -15,7 +14,7 @@ public class ThinkingProvider
public string? ModelProviderType { get; private set; }
public string? ModelDefault { get; private set; }
public ThinkingProvider(
public ThoughtProvider(
IConfiguration configuration,
PostService.PostServiceClient postClient,
AccountService.AccountServiceClient accountClient

75
DysonNetwork.Insight/Thought/ThoughtService.cs Normal file
View File

@@ -0,0 +1,75 @@
using DysonNetwork.Shared.Cache;
using DysonNetwork.Shared.Models;
using Microsoft.EntityFrameworkCore;
namespace DysonNetwork.Insight.Thought;
public class ThoughtService(AppDatabase db, ICacheService cache)
{
public async Task<SnThinkingSequence?> GetOrCreateSequenceAsync(Guid accountId, Guid? sequenceId, string? topic = null)
{
if (sequenceId.HasValue)
{
var seq = await db.ThinkingSequences.FindAsync(sequenceId.Value);
if (seq == null || seq.AccountId != accountId) return null;
return seq;
}
else
{
var seq = new SnThinkingSequence { AccountId = accountId, Topic = topic };
db.ThinkingSequences.Add(seq);
await db.SaveChangesAsync();
return seq;
}
}
public async Task<SnThinkingThought> SaveThoughtAsync(SnThinkingSequence sequence, string content, ThinkingThoughtRole role)
{
var thought = new SnThinkingThought
{
SequenceId = sequence.Id,
Content = content,
Role = role
};
db.ThinkingThoughts.Add(thought);
await db.SaveChangesAsync();
// Invalidate cache for this sequence's thoughts
await cache.RemoveGroupAsync($"sequence:{sequence.Id}");
return thought;
}
public async Task<List<SnThinkingThought>> GetPreviousThoughtsAsync(SnThinkingSequence sequence)
{
var cacheKey = $"thoughts:{sequence.Id}";
var (found, cachedThoughts) = await cache.GetAsyncWithStatus<List<SnThinkingThought>>(cacheKey);
if (found && cachedThoughts != null)
{
return cachedThoughts;
}
var thoughts = await db.ThinkingThoughts
.Where(t => t.SequenceId == sequence.Id)
.OrderBy(t => t.CreatedAt)
.ToListAsync();
// Cache for 10 minutes
await cache.SetWithGroupsAsync(cacheKey, thoughts, new[] { $"sequence:{sequence.Id}" }, TimeSpan.FromMinutes(10));
return thoughts;
}
public async Task<(int total, List<SnThinkingSequence> sequences)> ListSequencesAsync(Guid accountId, int offset, int take)
{
var query = db.ThinkingSequences.Where(s => s.AccountId == accountId);
var totalCount = await query.CountAsync();
var sequences = await query
.OrderByDescending(s => s.CreatedAt)
.Skip(offset)
.Take(take)
.ToListAsync();
return (totalCount, sequences);
}
}

2
DysonNetwork.Pass/DysonNetwork.Pass.csproj
View File

@@ -9,7 +9,7 @@
<ItemGroup>
<PackageReference Include="Grpc.AspNetCore.Server" Version="2.71.0"/>
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.7">
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
</PackageReference>

2
DysonNetwork.Ring/DysonNetwork.Ring.csproj
View File

@@ -16,7 +16,7 @@
<PackageReference Include="Grpc.AspNetCore.Server" Version="2.71.0" />
<PackageReference Include="MailKit" Version="4.13.0" />
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.7">
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
</PackageReference>

32
DysonNetwork.Shared/Models/ThinkingSequence.cs Normal file
View File

@@ -0,0 +1,32 @@
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Text.Json.Serialization;
namespace DysonNetwork.Shared.Models;
public class SnThinkingSequence : ModelBase
{
public Guid Id { get; set; } = Guid.NewGuid();
[MaxLength(4096)] public string? Topic { get; set; }
public Guid AccountId { get; set; }
}
public enum ThinkingThoughtRole
{
Assistant,
User
}
public class SnThinkingThought : ModelBase
{
public Guid Id { get; set; } = Guid.NewGuid();
public string? Content { get; set; }
[Column(TypeName = "jsonb")] public List<SnCloudFileReferenceObject> Files { get; set; } = [];
public ThinkingThoughtRole Role { get; set; }
public Guid SequenceId { get; set; }
[JsonIgnore] public SnThinkingSequence Sequence { get; set; } = null!;
}

2
DysonNetwork.Sphere/DysonNetwork.Sphere.csproj
View File

@@ -21,7 +21,7 @@
<PackageReference Include="Markdig" Version="0.41.3"/>
<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.10" />
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.10" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.7">
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.10">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>