feat: Add a query interface for conversation history messages

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application.Contracts/LINGYUN/Abp/AIManagement/Chats/Dtos/ChatMessageDto.cs

@@ -8,7 +8,13 @@ public abstract class ChatMessageDto : ExtensibleAuditedEntityDto<Guid>
 
     public DateTime CreatedAt { get; set; }
 
+    public string Role { get; set; }
+
     public Guid? UserId { get; set; }
 
     public Guid? ConversationId { get; set; }
+
+    public string? ReplyMessage { get; set; }
+
+    public DateTime? ReplyAt { get; set; }
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application.Contracts/LINGYUN/Abp/AIManagement/Chats/Dtos/SendTextChatMessageDto.cs

@@ -7,11 +7,11 @@ namespace LINGYUN.Abp.AIManagement.Chats.Dtos;
 public class SendTextChatMessageDto
 {
     [Required]
-    [DynamicStringLength(typeof(WorkspaceDefinitionRecordConsts), nameof(WorkspaceDefinitionRecordConsts.MaxNameLength))]
+    public Guid ConversationId { get; set; }
-    public string Workspace { get; set; }
 
     [Required]
-    public Guid ConversationId { get; set; }
+    [DynamicStringLength(typeof(WorkspaceDefinitionRecordConsts), nameof(WorkspaceDefinitionRecordConsts.MaxNameLength))]
+    public string Workspace { get; set; }
 
     [Required]
     [DynamicStringLength(typeof(TextChatMessageRecordConsts), nameof(TextChatMessageRecordConsts.MaxContentLength))]

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application.Contracts/LINGYUN/Abp/AIManagement/Chats/Dtos/TextChatMessageDto.cs

@@ -1,8 +1,5 @@
-using System;
+namespace LINGYUN.Abp.AIManagement.Chats.Dtos;
-using System.Collections.Generic;
+public class TextChatMessageDto : ChatMessageDto
-using System.Text;
-
-namespace LINGYUN.Abp.AIManagement.Chats.Dtos;
-public class TextChatMessageDto
 {
+    public string Content { get; set; }
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application.Contracts/LINGYUN/Abp/AIManagement/Chats/Dtos/TextChatMessageGetListInput.cs

@@ -0,0 +1,11 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using Volo.Abp.Application.Dtos;
+
+namespace LINGYUN.Abp.AIManagement.Chats.Dtos;
+
+public class TextChatMessageGetListInput : PagedAndSortedResultRequestDto
+{
+    [Required]
+    public Guid ConversationId { get; set; }
+}

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application.Contracts/LINGYUN/Abp/AIManagement/Chats/IChatAppService.cs

@@ -1,9 +1,13 @@
 using LINGYUN.Abp.AIManagement.Chats.Dtos;
 using System.Collections.Generic;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Dtos;
 using Volo.Abp.Application.Services;
 
 namespace LINGYUN.Abp.AIManagement.Chats;
 public interface IChatAppService : IApplicationService
 {
     IAsyncEnumerable<string> SendMessageAsync(SendTextChatMessageDto input);
+
+    Task<PagedResultDto<TextChatMessageDto>> GetListAsync(TextChatMessageGetListInput input);
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application/LINGYUN/Abp/AIManagement/AbpAIManagementApplicationMappers.cs

@@ -1,4 +1,6 @@
-using LINGYUN.Abp.AIManagement.Workspaces;
+using LINGYUN.Abp.AIManagement.Chats;
+using LINGYUN.Abp.AIManagement.Chats.Dtos;
+using LINGYUN.Abp.AIManagement.Workspaces;
 using LINGYUN.Abp.AIManagement.Workspaces.Dtos;
 using Riok.Mapperly.Abstractions;
 using Volo.Abp.Mapperly;
@@ -13,3 +15,20 @@ public partial class WorkspaceDefinitionRecordToWorkspaceDefinitionRecordDtoMapp
     public override partial WorkspaceDefinitionRecordDto Map(WorkspaceDefinitionRecord source);
     public override partial void Map(WorkspaceDefinitionRecord source, WorkspaceDefinitionRecordDto destination);
 }
+
+[Mapper(RequiredMappingStrategy = RequiredMappingStrategy.Target)]
+[MapExtraProperties(DefinitionChecks = MappingPropertyDefinitionChecks.None)]
+public partial class TextChatMessageRecordToTextChatMessageDtoMapper : MapperBase<TextChatMessageRecord, TextChatMessageDto>
+{
+    [MapPropertyFromSource(nameof(TextChatMessageDto.Role), Use = nameof(ConvertChatRole))]
+    public override partial TextChatMessageDto Map(TextChatMessageRecord source);
+
+    [MapPropertyFromSource(nameof(TextChatMessageDto.Role), Use = nameof(ConvertChatRole))]
+    public override partial void Map(TextChatMessageRecord source, TextChatMessageDto destination);
+
+    [UserMapping(Default = false)]
+    private static string ConvertChatRole(TextChatMessageRecord record)
+    {
+        return record.Role.Value;
+    }
+}

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application/LINGYUN/Abp/AIManagement/Chats/ChatAppService.cs

@@ -3,17 +3,24 @@ using LINGYUN.Abp.AI.Models;
 using LINGYUN.Abp.AIManagement.Chats.Dtos;
 using Microsoft.Extensions.AI;
 using System.Collections.Generic;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Specifications;
 
 namespace LINGYUN.Abp.AIManagement.Chats;
 public class ChatAppService : AIManagementApplicationServiceBase, IChatAppService
 {
     private readonly IAgentService _agentService;
-    public ChatAppService(IAgentService agentService)
+    private readonly ITextChatMessageRecordRepository _repository;
+    public ChatAppService(
+        IAgentService agentService, 
+        ITextChatMessageRecordRepository repository)
     {
         _agentService = agentService;
+        _repository = repository;
     }
 
-    public IAsyncEnumerable<string> SendMessageAsync(SendTextChatMessageDto input)
+    public virtual IAsyncEnumerable<string> SendMessageAsync(SendTextChatMessageDto input)
     {
         var chatMessage = new TextChatMessage(
             input.Workspace,
@@ -25,4 +32,17 @@ public class ChatAppService : AIManagementApplicationServiceBase, IChatAppServic
 
         return _agentService.SendMessageAsync(chatMessage);
     }
+
+    public async virtual Task<PagedResultDto<TextChatMessageDto>> GetListAsync(TextChatMessageGetListInput input)
+    {
+        var specification = new ExpressionSpecification<TextChatMessageRecord>(
+            x => x.ConversationId == input.ConversationId);
+
+        var totalCount = await _repository.GetCountAsync(specification);
+        var textChatMessages = await _repository.GetListAsync(specification,
+            input.Sorting, input.MaxResultCount, input.SkipCount);
+
+        return new PagedResultDto<TextChatMessageDto>(totalCount,
+            ObjectMapper.Map<List<TextChatMessageRecord>, List<TextChatMessageDto>>(textChatMessages));
+    }
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ITextChatMessageRecordRepository.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Repositories;
+using Volo.Abp.Specifications;
 
 namespace LINGYUN.Abp.AIManagement.Chats;
 public interface ITextChatMessageRecordRepository : IBasicRepository<TextChatMessageRecord, Guid>
@@ -11,4 +12,15 @@ public interface ITextChatMessageRecordRepository : IBasicRepository<TextChatMes
         Guid conversationId,
         int maxResultCount = 0,
         CancellationToken cancellationToken = default);
+
+    Task<int> GetCountAsync(
+        ISpecification<TextChatMessageRecord> specification,
+        CancellationToken cancellationToken = default);
+
+    Task<List<TextChatMessageRecord>> GetListAsync(
+        ISpecification<TextChatMessageRecord> specification,
+        string? sorting = $"{nameof(TextChatMessageRecord.CreatedAt)}",
+        int maxResultCount = 10,
+        int skipCount = 0,
+        CancellationToken cancellationToken = default);
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.EntityFrameworkCore/LINGYUN/Abp/AIManagement/EntityFrameworkCore/EfCoreTextChatMessageRecordRepository.cs

@@ -3,10 +3,12 @@ using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Linq.Dynamic.Core;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
 using Volo.Abp.EntityFrameworkCore;
+using Volo.Abp.Specifications;
 
 namespace LINGYUN.Abp.AIManagement.EntityFrameworkCore;
 public class EfCoreTextChatMessageRecordRepository : EfCoreRepository<IAIManagementDbContext, TextChatMessageRecord, Guid>, ITextChatMessageRecordRepository
@@ -29,4 +31,27 @@ public class EfCoreTextChatMessageRecordRepository : EfCoreRepository<IAIManagem
             .OrderBy(x => x.CreationTime)
             .ToListAsync(GetCancellationToken(cancellationToken));
     }
+
+    public async virtual Task<int> GetCountAsync(
+        ISpecification<TextChatMessageRecord> specification,
+        CancellationToken cancellationToken = default)
+    {
+        return await (await GetQueryableAsync())
+            .Where(specification.ToExpression())
+            .CountAsync(GetCancellationToken(cancellationToken));
+    }
+
+    public async virtual Task<List<TextChatMessageRecord>> GetListAsync(
+        ISpecification<TextChatMessageRecord> specification,
+        string? sorting = $"{nameof(TextChatMessageRecord.CreatedAt)}",
+        int maxResultCount = 10,
+        int skipCount = 0,
+        CancellationToken cancellationToken = default)
+    {
+        return await (await GetQueryableAsync())
+            .Where(specification.ToExpression())
+            .OrderBy(!sorting.IsNullOrWhiteSpace() ? sorting : $"{nameof(TextChatMessageRecord.CreatedAt)}")
+            .PageBy(skipCount, maxResultCount)
+            .ToListAsync(GetCancellationToken(cancellationToken));
+    }
 }

aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.HttpApi/LINGYUN/Abp/AIManagement/Chats/ChatController.cs

@@ -1,7 +1,9 @@
 using LINGYUN.Abp.AIManagement.Chats.Dtos;
 using Microsoft.AspNetCore.Mvc;
 using System.Collections.Generic;
+using System.Threading.Tasks;
 using Volo.Abp;
+using Volo.Abp.Application.Dtos;
 using Volo.Abp.AspNetCore.Mvc;
 
 namespace LINGYUN.Abp.AIManagement.Chats;
@@ -27,4 +29,10 @@ public class ChatController : AbpControllerBase, IChatAppService
             yield return content;
         }
     }
+
+    [HttpGet]
+    public virtual Task<PagedResultDto<TextChatMessageDto>> GetListAsync(TextChatMessageGetListInput input)
+    {
+        return _service.GetListAsync(input);
+    }
 }