feat: 支持图片生成

This commit is contained in:
ccnetcore
2025-08-03 23:23:32 +08:00
parent faa8131a1b
commit 2a301c4983
14 changed files with 436 additions and 7 deletions

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@@ -0,0 +1,54 @@
using System.Text.Json.Serialization;
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
/// <summary>
/// Image Create Request Model
/// </summary>
public record ImageCreateRequest : SharedImageRequestBaseModel
{
public ImageCreateRequest()
{
}
public ImageCreateRequest(string prompt)
{
Prompt = prompt;
}
/// <summary>
/// A text description of the desired image(s). The maximum length is 1000 characters for dall-e-2 and 4000 characters for dall-e-3
/// </summary>
[JsonPropertyName("prompt")]
public string Prompt { get; set; }
/// <summary>
/// The quality of the image that will be generated. Possible values are 'standard' or 'hd' (default is 'standard').
/// Hd creates images with finer details and greater consistency across the image.
/// This param is only supported for dall-e-3 model.
/// <br /><br />Check <see cref="StaticValues.ImageStatics.Quality"/> for possible values
/// </summary>
[JsonPropertyName("quality")]
public string? Quality { get; set; }
/// <summary>
/// The style of the generated images. Must be one of vivid or natural.
/// Vivid causes the model to lean towards generating hyper-real and dramatic images.
/// Natural causes the model to produce more natural, less hyper-real looking images. This param is only supported for dall-e-3.
/// <br /><br />Check <see cref="StaticValues.ImageStatics.Style"/> for possible values
/// </summary>
[JsonPropertyName("style")]
public string? Style { get; set; }
[JsonPropertyName("background")]
public string? Background { get; set; }
[JsonPropertyName("moderation")]
public string? Moderation { get; set; }
[JsonPropertyName("output_compression")]
public string? OutputCompression { get; set; }
[JsonPropertyName("output_format")]
public string? OutputFormat { get; set; }
}

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@@ -0,0 +1,19 @@
using System.Text.Json.Serialization;
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
public record ImageCreateResponse : ThorBaseResponse
{
[JsonPropertyName("data")] public List<ImageDataResult> Results { get; set; }
[JsonPropertyName("usage")] public ThorUsageResponse? Usage { get; set; } = new();
public record ImageDataResult
{
[JsonPropertyName("url")] public string Url { get; set; }
[JsonPropertyName("b64_json")] public string B64 { get; set; }
[JsonPropertyName("revised_prompt")] public string RevisedPrompt { get; set; }
}
}

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@@ -0,0 +1,51 @@
using System.Text.Json.Serialization;
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
public record ImageEditCreateRequest : SharedImageRequestBaseModel
{
/// <summary>
/// The image to edit. Must be a valid PNG file, less than 4MB, and square.
/// </summary>
public byte[]? Image { get; set; }
/// <summary>
/// Image file name
/// </summary>
public string ImageName { get; set; }
/// <summary>
/// An additional image whose fully transparent areas (e.g. where alpha is zero) indicate where image should be edited.
/// Must be a valid PNG file, less than 4MB, and have the same dimensions as image.
/// </summary>
public byte[]? Mask { get; set; }
/// <summary>
/// Mask file name
/// </summary>
public string? MaskName { get; set; }
[JsonPropertyName("quality")]
public string Quality { get; set; }
/// <summary>
/// A text description of the desired image(s). The maximum length is 1000 characters.
/// </summary>
[JsonPropertyName("prompt")]
public string Prompt { get; set; }
[JsonPropertyName("background")]
public string? Background { get; set; }
[JsonPropertyName("moderation")]
public string? Moderation { get; set; }
[JsonPropertyName("output_compression")]
public string? OutputCompression { get; set; }
[JsonPropertyName("output_format")]
public string? OutputFormat { get; set; }
[JsonPropertyName("style")]
public string? Style { get; set; }
}

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@@ -0,0 +1,14 @@
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
public record ImageVariationCreateRequest : SharedImageRequestBaseModel
{
/// <summary>
/// The image to edit. Must be a valid PNG file, less than 4MB, and square.
/// </summary>
public byte[] Image { get; set; }
/// <summary>
/// Image file name
/// </summary>
public string ImageName { get; set; }
}

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@@ -0,0 +1,42 @@
using System.Text.Json.Serialization;
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
public record SharedImageRequestBaseModel
{
/// <summary>
/// The number of images to generate. Must be between 1 and 10.
/// For dall-e-3 model, only n=1 is supported.
/// </summary>
[JsonPropertyName("n")]
public int? N { get; set; }
/// <summary>
/// The size of the generated images.
/// Must be one of 256x256, 512x512, or 1024x1024 for dall-e-2.
/// Must be one of 1024x1024, 1792x1024, or 1024x1792 for dall-e-3 models.
/// <br /><br />Check <see cref="StaticValues.ImageStatics.Size"/> for possible values
/// </summary>
[JsonPropertyName("size")]
public string? Size { get; set; }
/// <summary>
/// The format in which the generated images are returned. Must be one of url or b64_json
/// </summary>
[JsonPropertyName("response_format")]
public string? ResponseFormat { get; set; }
/// <summary>
/// A unique identifier representing your end-user, which will help OpenAI to monitor and detect abuse.
/// <a href="https://platform.openai.com/docs/usage-policies/end-user-ids">Learn more</a>.
/// </summary>
[JsonPropertyName("user")]
public string? User { get; set; }
/// <summary>
/// The model to use for image generation. Must be one of dall-e-2 or dall-e-3
/// For ImageEditCreateRequest and for ImageVariationCreateRequest only dall-e-2 modell is supported at this time.
/// </summary>
[JsonPropertyName("model")]
public string? Model { get; set; }
}

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@@ -1,7 +1,6 @@
using System.Text.Json.Serialization;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi;
namespace Yi.Framework.AiHub.Domain.AiGateWay;
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi;
public record ThorBaseResponse
{

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@@ -18,6 +18,7 @@ using Yi.Framework.AiHub.Domain.Entities.Model;
using Yi.Framework.AiHub.Domain.Extensions;
using Yi.Framework.AiHub.Domain.Managers;
using Yi.Framework.AiHub.Domain.Shared.Dtos;
using Yi.Framework.AiHub.Domain.Shared.Enums;
using Yi.Framework.Rbac.Application.Contracts.IServices;
using Yi.Framework.Rbac.Domain.Shared.Dtos;
using Yi.Framework.SqlSugarCore.Abstractions;
@@ -68,6 +69,7 @@ public class AiChatService : ApplicationService
public async Task<List<ModelGetListOutput>> GetModelAsync()
{
var output = await _aiModelRepository._DbQueryable
.Where(x => x.ModelType == ModelTypeEnum.Chat)
.OrderByDescending(x => x.OrderNum)
.Select(x => new ModelGetListOutput
{
@@ -115,6 +117,7 @@ public class AiChatService : ApplicationService
throw new UserFriendlyException("未登录用户只能使用未加速的DeepSeek-R1请登录后重试");
}
}
//ai网关代理httpcontext
await _aiGateWayManager.CompleteChatStreamForStatisticsAsync(_httpContextAccessor.HttpContext, input,
CurrentUser.Id, sessionId, cancellationToken);

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@@ -3,9 +3,11 @@ using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Volo.Abp.Application.Services;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
using Yi.Framework.AiHub.Domain.Entities.Model;
using Yi.Framework.AiHub.Domain.Extensions;
using Yi.Framework.AiHub.Domain.Managers;
using Yi.Framework.AiHub.Domain.Shared.Enums;
using Yi.Framework.SqlSugarCore.Abstractions;
namespace Yi.Framework.AiHub.Application.Services;
@@ -17,16 +19,17 @@ public class OpenApiService : ApplicationService
private readonly TokenManager _tokenManager;
private readonly AiGateWayManager _aiGateWayManager;
private readonly ISqlSugarRepository<AiModelEntity> _aiModelRepository;
private readonly AiBlacklistManager _aiBlacklistManager;
public OpenApiService(IHttpContextAccessor httpContextAccessor, ILogger<OpenApiService> logger,
TokenManager tokenManager, AiGateWayManager aiGateWayManager,
ISqlSugarRepository<AiModelEntity> aiModelRepository)
ISqlSugarRepository<AiModelEntity> aiModelRepository, AiBlacklistManager aiBlacklistManager)
{
_httpContextAccessor = httpContextAccessor;
_logger = logger;
_tokenManager = tokenManager;
_aiGateWayManager = aiGateWayManager;
_aiModelRepository = aiModelRepository;
_aiBlacklistManager = aiBlacklistManager;
}
/// <summary>
@@ -41,6 +44,7 @@ public class OpenApiService : ApplicationService
//前面都是校验,后面才是真正的调用
var httpContext = this._httpContextAccessor.HttpContext;
var userId = await _tokenManager.GetUserIdAsync(GetTokenByHttpContext(httpContext));
await _aiBlacklistManager.VerifiyAiBlacklist(userId);
//ai网关代理httpcontext
if (input.Stream == true)
{
@@ -55,6 +59,21 @@ public class OpenApiService : ApplicationService
}
}
/// <summary>
/// 图片生成
/// </summary>
/// <param name="input"></param>
/// <param name="cancellationToken"></param>
[HttpPost("openApi/v1/images/generations")]
public async Task ImagesGenerationsAsync([FromBody] ImageCreateRequest input, CancellationToken cancellationToken)
{
var httpContext = this._httpContextAccessor.HttpContext;
var userId = await _tokenManager.GetUserIdAsync(GetTokenByHttpContext(httpContext));
await _aiBlacklistManager.VerifiyAiBlacklist(userId);
await _aiGateWayManager.CreateImageForStatisticsAsync(httpContext, userId, null, input);
}
/// <summary>
/// 获取模型列表
/// </summary>
@@ -63,6 +82,7 @@ public class OpenApiService : ApplicationService
public async Task<ModelsListDto> ModelsAsync()
{
var data = await _aiModelRepository._DbQueryable
.Where(x => x.ModelType == ModelTypeEnum.Chat)
.OrderByDescending(x => x.OrderNum)
.Select(x => new ModelsDataDto
{

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@@ -0,0 +1,8 @@
namespace Yi.Framework.AiHub.Domain.Shared.Enums;
public enum ModelTypeEnum
{
Chat = 0,
Image = 1
}

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@@ -2,6 +2,7 @@ using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi;
namespace Yi.Framework.AiHub.Domain.AiGateWay;

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@@ -0,0 +1,39 @@
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
using Yi.Framework.AiHub.Domain.Shared.Dtos;
namespace Yi.Framework.AiHub.Domain.AiGateWay;
public interface IImageService
{
/// <summary>Creates an image given a prompt.</summary>
/// <param name="imageCreate"></param>
/// <param name="aiModelDescribe"></param>
/// <param name="cancellationToken">Propagates notification that operations should be canceled.</param>
/// <returns></returns>
Task<ImageCreateResponse> CreateImage(
ImageCreateRequest imageCreate,
AiModelDescribe? aiModelDescribe = null,
CancellationToken cancellationToken = default);
/// <summary>
/// Creates an edited or extended image given an original image and a prompt.
/// </summary>
/// <param name="imageEditCreateRequest"></param>
/// <param name="aiModelDescribe"></param>
/// <param name="cancellationToken">Propagates notification that operations should be canceled.</param>
/// <returns></returns>
Task<ImageCreateResponse> CreateImageEdit(
ImageEditCreateRequest imageEditCreateRequest,
AiModelDescribe? aiModelDescribe = null,
CancellationToken cancellationToken = default);
/// <summary>Creates a variation of a given image.</summary>
/// <param name="imageEditCreateRequest"></param>
/// <param name="aiModelDescribe"></param>
/// <param name="cancellationToken">Propagates notification that operations should be canceled.</param>
/// <returns></returns>
Task<ImageCreateResponse> CreateImageVariation(
ImageVariationCreateRequest imageEditCreateRequest,
AiModelDescribe? aiModelDescribe = null,
CancellationToken cancellationToken = default);
}

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@@ -0,0 +1,112 @@
using OpenAI.Images;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
using Yi.Framework.AiHub.Domain.AiGateWay;
using Yi.Framework.AiHub.Domain.Shared.Dtos;
namespace Yi.Framework.AiHub.Domain.AiGateWay.Impl.ThorAzureOpenAI.Images;
public class AzureOpenAIServiceImageService : IImageService
{
public async Task<ImageCreateResponse> CreateImage(ImageCreateRequest imageCreate, AiModelDescribe? options = null,
CancellationToken cancellationToken = default(CancellationToken))
{
var createClient = AzureOpenAIFactory.CreateClient(options);
var client = createClient.GetImageClient(imageCreate.Model);
// 将size字符串拆分为宽度和高度
var size = imageCreate.Size.Split('x');
if (size.Length != 2)
{
throw new ArgumentException("Size must be in the format of 'width x height'");
}
var response = await client.GenerateImageAsync(imageCreate.Prompt, new ImageGenerationOptions()
{
Quality = imageCreate.Quality == "standard" ? GeneratedImageQuality.Standard : GeneratedImageQuality.High,
Size = new GeneratedImageSize(Convert.ToInt32(size[0]), Convert.ToInt32(size[1])),
Style = imageCreate.Style == "vivid" ? GeneratedImageStyle.Vivid : GeneratedImageStyle.Natural,
ResponseFormat =
imageCreate.ResponseFormat == "url" ? GeneratedImageFormat.Uri : GeneratedImageFormat.Bytes,
// User = imageCreate.User
EndUserId = imageCreate.User
}, cancellationToken);
var ret = new ImageCreateResponse()
{
Results = new List<ImageCreateResponse.ImageDataResult>()
};
if (response.Value.ImageUri != null)
{
ret.Results.Add(new ImageCreateResponse.ImageDataResult()
{
Url = response.Value.ImageUri.ToString()
});
}
else
{
ret.Results.Add(new ImageCreateResponse.ImageDataResult()
{
B64 = Convert.ToBase64String(response.Value.ImageBytes.ToArray())
});
}
return ret;
}
public async Task<ImageCreateResponse> CreateImageEdit(ImageEditCreateRequest imageEditCreateRequest,
AiModelDescribe? options = null,
CancellationToken cancellationToken = default(CancellationToken))
{
var url = AzureOpenAIFactory.GetEditImageAddress(options, imageEditCreateRequest.Model);
var multipartContent = new MultipartFormDataContent();
if (imageEditCreateRequest.User != null)
{
multipartContent.Add(new StringContent(imageEditCreateRequest.User), "user");
}
if (imageEditCreateRequest.ResponseFormat != null)
{
multipartContent.Add(new StringContent(imageEditCreateRequest.ResponseFormat), "response_format");
}
if (imageEditCreateRequest.Size != null)
{
multipartContent.Add(new StringContent(imageEditCreateRequest.Size), "size");
}
if (imageEditCreateRequest.N != null)
{
multipartContent.Add(new StringContent(imageEditCreateRequest.N.ToString()!), "n");
}
if (imageEditCreateRequest.Model != null)
{
multipartContent.Add(new StringContent(imageEditCreateRequest.Model!), "model");
}
if (imageEditCreateRequest.Mask != null)
{
multipartContent.Add(new ByteArrayContent(imageEditCreateRequest.Mask), "mask",
imageEditCreateRequest.MaskName);
}
multipartContent.Add(new StringContent(imageEditCreateRequest.Prompt), "prompt");
multipartContent.Add(new ByteArrayContent(imageEditCreateRequest.Image), "image",
imageEditCreateRequest.ImageName);
return await HttpClientFactory.GetHttpClient(url).PostFileAndReadAsAsync<ImageCreateResponse>(
url,
multipartContent, cancellationToken);
}
public Task<ImageCreateResponse> CreateImageVariation(ImageVariationCreateRequest imageEditCreateRequest,
AiModelDescribe? options = null,
CancellationToken cancellationToken = default(CancellationToken))
{
throw new NotImplementedException();
}
}

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@@ -1,5 +1,6 @@
using SqlSugar;
using Volo.Abp.Domain.Entities;
using Yi.Framework.AiHub.Domain.Shared.Enums;
using Yi.Framework.Core.Data;
namespace Yi.Framework.AiHub.Domain.Entities.Model;
@@ -8,7 +9,7 @@ namespace Yi.Framework.AiHub.Domain.Entities.Model;
/// ai模型定义
/// </summary>
[SugarTable("Ai_Model")]
public class AiModelEntity : Entity<Guid>, IOrderNum,ISoftDelete
public class AiModelEntity : Entity<Guid>, IOrderNum, ISoftDelete
{
/// <summary>
/// 处理名
@@ -44,9 +45,14 @@ public class AiModelEntity : Entity<Guid>, IOrderNum,ISoftDelete
/// ai应用id
/// </summary>
public Guid AiAppId { get; set; }
/// <summary>
/// 额外信息
/// </summary>
public string? ExtraInfo { get; set; }
/// <summary>
/// 模型类型
/// </summary>
public ModelTypeEnum ModelType { get; set; }
}

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@@ -1,4 +1,5 @@
using System.Collections.Concurrent;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Text;
using Microsoft.AspNetCore.Http;
@@ -9,9 +10,12 @@ using Newtonsoft.Json.Serialization;
using Volo.Abp.Domain.Services;
using Yi.Framework.AiHub.Application.Contracts.Dtos;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi;
using Yi.Framework.AiHub.Application.Contracts.Dtos.OpenAi.Images;
using Yi.Framework.AiHub.Domain.AiGateWay;
using Yi.Framework.AiHub.Domain.AiGateWay.Exceptions;
using Yi.Framework.AiHub.Domain.Entities.Model;
using Yi.Framework.AiHub.Domain.Shared.Dtos;
using Yi.Framework.Core.Extensions;
using Yi.Framework.SqlSugarCore.Abstractions;
namespace Yi.Framework.AiHub.Domain.Managers;
@@ -213,7 +217,7 @@ public class AiGateWayManager : DomainService
catch (Exception e)
{
_logger.LogError(e, $"Ai对话异常");
var errorContent = $"Ai异常异常信息\n当前Ai模型{request.Model}\n异常信息{e.Message}\n异常堆栈:{e}";
var errorContent = $"对话Ai异常异常信息\n当前Ai模型{request.Model}\n异常信息{e.Message}\n异常堆栈:{e}";
var model = new ThorChatCompletionsResponse()
{
Choices = new List<ThorChatChoiceResponse>()
@@ -261,4 +265,61 @@ public class AiGateWayManager : DomainService
await _usageStatisticsManager.SetUsageAsync(userId, request.Model, tokenUsage);
}
/// <summary>
/// 图片生成
/// </summary>
/// <param name="context"></param>
/// <param name="userId"></param>
/// <param name="sessionId"></param>
/// <param name="request"></param>
/// <exception cref="BusinessException"></exception>
/// <exception cref="Exception"></exception>
public async Task CreateImageForStatisticsAsync(HttpContext context,Guid? userId,Guid? sessionId, ImageCreateRequest request)
{
try
{
var model = request.Model;
if (string.IsNullOrEmpty(model)) model = "dall-e-2";
var modelDescribe = await GetModelAsync(model);
// 获取渠道指定的实现类型的服务
var imageService =
LazyServiceProvider.GetRequiredKeyedService<IImageService>(modelDescribe.HandlerName);
var response = await imageService.CreateImage(request, modelDescribe);
if (response.Error != null || response.Results.Count == 0)
{
throw new BusinessException(response.Error?.Message ?? "图片生成失败", response.Error?.Code?.ToString());
}
await context.Response.WriteAsJsonAsync(response);
await _aiMessageManager.CreateUserMessageAsync(userId, sessionId,
new MessageInputDto
{
Content = request.Prompt,
ModelId = model,
TokenUsage = response.Usage,
});
await _aiMessageManager.CreateSystemMessageAsync(userId, sessionId,
new MessageInputDto
{
Content = response.Results?.FirstOrDefault()?.Url,
ModelId = model,
TokenUsage = response.Usage
});
await _usageStatisticsManager.SetUsageAsync(userId, model, response.Usage);
}
catch (Exception e)
{
var errorContent = $"图片生成Ai异常异常信息\n当前Ai模型{request.Model}\n异常信息{e.Message}\n异常堆栈:{e}";
throw new UserFriendlyException(errorContent);
}
}
}