125 lines
4.3 KiB
C#
125 lines
4.3 KiB
C#
using System.Collections.Concurrent;
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using System.Text;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Options;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Serialization;
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using OpenAI.Chat;
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using Volo.Abp.Application.Services;
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using Volo.Abp.Users;
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using Yi.Framework.AiHub.Application.Contracts.Dtos;
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using Yi.Framework.AiHub.Domain.Entities;
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using Yi.Framework.AiHub.Domain.Entities.Model;
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using Yi.Framework.AiHub.Domain.Extensions;
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using Yi.Framework.AiHub.Domain.Managers;
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using Yi.Framework.AiHub.Domain.Shared.Dtos;
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using Yi.Framework.AiHub.Domain.Shared.Dtos.OpenAi;
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using Yi.Framework.AiHub.Domain.Shared.Enums;
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using Yi.Framework.Rbac.Application.Contracts.IServices;
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using Yi.Framework.Rbac.Domain.Shared.Dtos;
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using Yi.Framework.SqlSugarCore.Abstractions;
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namespace Yi.Framework.AiHub.Application.Services;
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/// <summary>
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/// ai服务
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/// </summary>
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public class AiChatService : ApplicationService
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{
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private readonly IHttpContextAccessor _httpContextAccessor;
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private readonly ISqlSugarRepository<AiModelEntity> _aiModelRepository;
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private readonly AiBlacklistManager _aiBlacklistManager;
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private readonly ILogger<AiChatService> _logger;
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private readonly AiGateWayManager _aiGateWayManager;
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public AiChatService(IHttpContextAccessor httpContextAccessor,
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AiBlacklistManager aiBlacklistManager,
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ISqlSugarRepository<AiModelEntity> aiModelRepository,
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ILogger<AiChatService> logger, AiGateWayManager aiGateWayManager)
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{
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_httpContextAccessor = httpContextAccessor;
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_aiBlacklistManager = aiBlacklistManager;
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_aiModelRepository = aiModelRepository;
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_logger = logger;
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_aiGateWayManager = aiGateWayManager;
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}
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/// <summary>
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/// 查询已登录的账户信息
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/// </summary>
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/// <returns></returns>
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[Route("ai-chat/account")]
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[Authorize]
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public async Task<UserRoleMenuDto> GetAsync()
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{
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var accountService = LazyServiceProvider.GetRequiredService<IAccountService>();
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var output = await accountService.GetAsync();
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return output;
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}
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/// <summary>
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/// 获取模型列表
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/// </summary>
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/// <returns></returns>
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public async Task<List<ModelGetListOutput>> GetModelAsync()
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{
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var output = await _aiModelRepository._DbQueryable
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.Where(x => x.ModelType == ModelTypeEnum.Chat)
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.OrderByDescending(x => x.OrderNum)
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.Select(x => new ModelGetListOutput
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{
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Id = x.Id,
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Category = "chat",
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ModelId = x.ModelId,
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ModelName = x.Name,
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ModelDescribe = x.Description,
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ModelPrice = 0,
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ModelType = "1",
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ModelShow = "0",
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SystemPrompt = null,
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ApiHost = null,
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ApiKey = null,
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Remark = x.Description
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}).ToListAsync();
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return output;
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}
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/// <summary>
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/// 发送消息
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/// </summary>
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/// <param name="input"></param>
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/// <param name="sessionId"></param>
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/// <param name="cancellationToken"></param>
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[HttpPost("ai-chat/send")]
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public async Task PostSendAsync([FromBody] ThorChatCompletionsRequest input, [FromQuery] Guid? sessionId,
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CancellationToken cancellationToken)
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{
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//除了免费模型，其他的模型都要校验
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if (!input.Model.Contains("DeepSeek-R1"))
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{
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//有token，需要黑名单校验
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if (CurrentUser.IsAuthenticated)
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{
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await _aiBlacklistManager.VerifiyAiBlacklist(CurrentUser.GetId());
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if (!CurrentUser.IsAiVip())
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{
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throw new UserFriendlyException("该模型需要VIP用户才能使用，请购买VIP后重新登录重试");
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}
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}
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else
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{
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throw new UserFriendlyException("未登录用户，只能使用未加速的DeepSeek-R1，请登录后重试");
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}
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}
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//ai网关代理httpcontext
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await _aiGateWayManager.CompleteChatStreamForStatisticsAsync(_httpContextAccessor.HttpContext, input,
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CurrentUser.Id, sessionId, cancellationToken);
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}
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} |