feat: 完成图片生成功能

This commit is contained in:
ccnetcore
2026-01-02 19:26:09 +08:00
parent 3f53eb14ab
commit 560a76558a
14 changed files with 251 additions and 134 deletions

View File

@@ -15,7 +15,7 @@ public class AgentSendInput
/// <summary>
/// api密钥Id
/// </summary>
public string Token { get; set; }
public Guid TokenId { get; set; }
/// <summary>
/// 模型id

View File

@@ -5,6 +5,11 @@ namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
/// </summary>
public class ImageGenerationInput
{
/// <summary>
/// 密钥id
/// </summary>
public Guid? TokenId { get; set; }
/// <summary>
/// 提示词
/// </summary>
@@ -16,7 +21,7 @@ public class ImageGenerationInput
public string ModelId { get; set; } = string.Empty;
/// <summary>
/// 参考图Base64列表可选包含前缀如 data:image/png;base64,...
/// 参考图PrefixBase64列表可选包含前缀如 data:image/png;base64,...
/// </summary>
public List<string>? ReferenceImagesBase64 { get; set; }
public List<string>? ReferenceImagesPrefixBase64 { get; set; }
}

View File

@@ -18,19 +18,19 @@ public class ImageTaskOutput
public string Prompt { get; set; } = string.Empty;
/// <summary>
/// 参考图Base64列表
/// 参考图PrefixBase64列表(带前缀)
/// </summary>
public List<string>? ReferenceImagesBase64 { get; set; }
// public List<string>? ReferenceImagesPrefixBase64 { get; set; }
/// <summary>
/// 参考图URL列表
/// </summary>
public List<string>? ReferenceImagesUrl { get; set; }
// public List<string>? ReferenceImagesUrl { get; set; }
/// <summary>
/// 生成图片Base64包含前缀
/// 生成图片PrefixBase64包含前缀
/// </summary>
public string? StoreBase64 { get; set; }
public string? StorePrefixBase64 { get; set; }
/// <summary>
/// 生成图片URL
@@ -42,6 +42,16 @@ public class ImageTaskOutput
/// </summary>
public TaskStatusEnum TaskStatus { get; set; }
/// <summary>
/// 发布状态
/// </summary>
public PublishStatusEnum PublishStatus { get; set; }
/// <summary>
/// 分类标签
/// </summary>
public List<string> Categories { get; set; } = new();
/// <summary>
/// 创建时间
/// </summary>

View File

@@ -0,0 +1,17 @@
namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Chat;
/// <summary>
/// 发布图片输入
/// </summary>
public class PublishImageInput
{
/// <summary>
/// 任务ID
/// </summary>
public Guid TaskId { get; set; }
/// <summary>
/// 分类标签
/// </summary>
public List<string> Categories { get; set; } = new();
}

View File

@@ -6,13 +6,7 @@ public class ModelGetListOutput
/// 模型ID
/// </summary>
public Guid Id { get; set; }
/// <summary>
/// 模型分类
/// </summary>
public string Category { get; set; }
/// <summary>
/// 模型id
/// </summary>
@@ -28,36 +22,6 @@ public class ModelGetListOutput
/// </summary>
public string? ModelDescribe { get; set; }
/// <summary>
/// 模型价格
/// </summary>
public double ModelPrice { get; set; }
/// <summary>
/// 模型类型
/// </summary>
public string ModelType { get; set; }
/// <summary>
/// 模型展示状态
/// </summary>
public string ModelShow { get; set; }
/// <summary>
/// 系统提示
/// </summary>
public string SystemPrompt { get; set; }
/// <summary>
/// API 主机地址
/// </summary>
public string ApiHost { get; set; }
/// <summary>
/// API 密钥
/// </summary>
public string ApiKey { get; set; }
/// <summary>
/// 备注信息
/// </summary>

View File

@@ -30,32 +30,93 @@ public class ImageGenerationJob : AsyncBackgroundJob<ImageGenerationJobArgs>, IT
public override async Task ExecuteAsync(ImageGenerationJobArgs args)
{
_logger.LogInformation("开始执行图片生成任务TaskId: {TaskId}, ModelId: {ModelId}, UserId: {UserId}",
args.TaskId, args.ModelId, args.UserId);
var task = await _imageStoreTaskRepository.GetFirstAsync(x => x.Id == args.TaskId);
if (task is null)
{
throw new UserFriendlyException($"{args.TaskId} 图片生成任务不存在");
}
_logger.LogInformation("开始执行图片生成任务TaskId: {TaskId}, ModelId: {ModelId}, UserId: {UserId}",
task.Id, task.ModelId, task.UserId);
try
{
var request = JsonSerializer.Deserialize<JsonElement>(args.RequestJson);
// 构建 Gemini API 请求对象
var parts = new List<object>
{
new { text = task.Prompt }
};
// 添加参考图(如果有)
foreach (var prefixBase64 in task.ReferenceImagesPrefixBase64)
{
var (mimeType, base64Data) = ParsePrefixBase64(prefixBase64);
parts.Add(new
{
inline_data = new
{
mime_type = mimeType,
data = base64Data
}
});
}
var requestObj = new
{
contents = new[]
{
new { parts }
}
};
var request = JsonSerializer.Deserialize<JsonElement>(
JsonSerializer.Serialize(requestObj));
//里面生成成功已经包含扣款了
await _aiGateWayManager.GeminiGenerateContentImageForStatisticsAsync(
args.TaskId,
args.ModelId,
task.Id,
task.ModelId,
request,
args.UserId);
task.UserId,
tokenId:task.TokenId);
_logger.LogInformation("图片生成任务完成TaskId: {TaskId}", args.TaskId);
}
catch (Exception ex)
{
_logger.LogError(ex, "图片生成任务失败TaskId: {TaskId}, Error: {Error}", args.TaskId, ex.Message);
// 更新任务状态为失败
var task = await _imageStoreTaskRepository.GetFirstAsync(x => x.Id == args.TaskId);
if (task != null)
{
task.TaskStatus = TaskStatusEnum.Fail;
await _imageStoreTaskRepository.UpdateAsync(task);
}
task.TaskStatus = TaskStatusEnum.Fail;
task.ErrorInfo = ex.Message;
await _imageStoreTaskRepository.UpdateAsync(task);
}
}
}
/// <summary>
/// 解析带前缀的 Base64 字符串,提取 mimeType 和纯 base64 数据
/// </summary>
private static (string mimeType, string base64Data) ParsePrefixBase64(string prefixBase64)
{
// 默认值
var mimeType = "image/png";
var base64Data = prefixBase64;
if (prefixBase64.Contains(","))
{
var parts = prefixBase64.Split(',');
if (parts.Length == 2)
{
var header = parts[0];
if (header.Contains(":") && header.Contains(";"))
{
mimeType = header.Split(':')[1].Split(';')[0];
}
base64Data = parts[1];
}
}
return (mimeType, base64Data);
}
}

View File

@@ -9,19 +9,4 @@ public class ImageGenerationJobArgs
/// 图片任务ID
/// </summary>
public Guid TaskId { get; set; }
/// <summary>
/// 模型ID
/// </summary>
public string ModelId { get; set; } = string.Empty;
/// <summary>
/// 请求JSON字符串
/// </summary>
public string RequestJson { get; set; } = string.Empty;
/// <summary>
/// 用户ID
/// </summary>
public Guid UserId { get; set; }
}

View File

@@ -86,7 +86,7 @@ public class AiChatService : ApplicationService
}
/// <summary>
/// 获取模型列表
/// 获取对话模型列表
/// </summary>
/// <returns></returns>
public async Task<List<ModelGetListOutput>> GetModelAsync()
@@ -98,16 +98,9 @@ public class AiChatService : ApplicationService
.Select(x => new ModelGetListOutput
{
Id = x.Id,
Category = "chat",
ModelId = x.ModelId,
ModelName = x.Name,
ModelDescribe = x.Description,
ModelPrice = 0,
ModelType = "1",
ModelShow = "0",
SystemPrompt = null,
ApiHost = null,
ApiKey = null,
Remark = x.Description,
IsPremiumPackage = PremiumPackageConst.ModeIds.Contains(x.ModelId)
}).ToListAsync();
@@ -202,7 +195,7 @@ public class AiChatService : ApplicationService
[HttpPost("ai-chat/agent/send")]
public async Task PostAgentSendAsync([FromBody] AgentSendInput input, CancellationToken cancellationToken)
{
var tokenValidation = await _tokenManager.ValidateTokenAsync(input.Token, input.ModelId);
var tokenValidation = await _tokenManager.ValidateTokenAsync(input.TokenId, input.ModelId);
await _aiBlacklistManager.VerifiyAiBlacklist(tokenValidation.UserId);
// 验证用户是否为VIP
@@ -232,7 +225,7 @@ public class AiChatService : ApplicationService
await _chatManager.AgentCompleteChatStreamAsync(_httpContextAccessor.HttpContext,
input.SessionId,
input.Content,
input.Token,
tokenValidation.Token,
tokenValidation.TokenId,
input.ModelId,
tokenValidation.UserId,

View File

@@ -31,14 +31,14 @@ public class AiImageService : ApplicationService
private readonly PremiumPackageManager _premiumPackageManager;
private readonly IGuidGenerator _guidGenerator;
private readonly IWebHostEnvironment _webHostEnvironment;
private readonly TokenManager _tokenManager;
public AiImageService(
ISqlSugarRepository<ImageStoreTaskAggregateRoot> imageTaskRepository,
IBackgroundJobManager backgroundJobManager,
AiBlacklistManager aiBlacklistManager,
PremiumPackageManager premiumPackageManager,
IGuidGenerator guidGenerator,
IWebHostEnvironment webHostEnvironment)
IWebHostEnvironment webHostEnvironment, TokenManager tokenManager)
{
_imageTaskRepository = imageTaskRepository;
_backgroundJobManager = backgroundJobManager;
@@ -46,6 +46,7 @@ public class AiImageService : ApplicationService
_premiumPackageManager = premiumPackageManager;
_guidGenerator = guidGenerator;
_webHostEnvironment = webHostEnvironment;
_tokenManager = tokenManager;
}
/// <summary>
@@ -58,10 +59,17 @@ public class AiImageService : ApplicationService
public async Task<Guid> GenerateAsync([FromBody] ImageGenerationInput input)
{
var userId = CurrentUser.GetId();
// 黑名单校验
await _aiBlacklistManager.VerifiyAiBlacklist(userId);
//校验token
if (input.TokenId is not null)
{
await _tokenManager.ValidateTokenAsync(input.TokenId, input.ModelId);
}
// VIP校验
if (!CurrentUser.IsAiVip())
{
@@ -82,32 +90,21 @@ public class AiImageService : ApplicationService
var task = new ImageStoreTaskAggregateRoot
{
Prompt = input.Prompt,
ReferenceImagesBase64 = input.ReferenceImagesBase64 ?? new List<string>(),
ReferenceImagesPrefixBase64 = input.ReferenceImagesPrefixBase64 ?? new List<string>(),
ReferenceImagesUrl = new List<string>(),
TaskStatus = TaskStatusEnum.Processing,
UserId = userId
UserId = userId,
TokenId = input.TokenId
};
await _imageTaskRepository.InsertAsync(task);
var taskId = task.Id;
// 构建请求JSON
var requestJson = JsonSerializer.Serialize(new
{
prompt = input.Prompt,
referenceImages = input.ReferenceImagesBase64
});
// 入队后台任务
await _backgroundJobManager.EnqueueAsync(new ImageGenerationJobArgs
{
TaskId = taskId,
ModelId = input.ModelId,
RequestJson = requestJson,
UserId = userId
TaskId = task.Id,
});
return taskId;
return task.Id;
}
/// <summary>
@@ -130,9 +127,9 @@ public class AiImageService : ApplicationService
{
Id = task.Id,
Prompt = task.Prompt,
ReferenceImagesBase64 = task.ReferenceImagesBase64,
ReferenceImagesUrl = task.ReferenceImagesUrl,
StoreBase64 = task.StoreBase64,
// ReferenceImagesBase64 = task.ReferenceImagesBase64,
// ReferenceImagesUrl = task.ReferenceImagesUrl,
// StoreBase64 = task.StoreBase64,
StoreUrl = task.StoreUrl,
TaskStatus = task.TaskStatus,
CreationTime = task.CreationTime
@@ -234,9 +231,9 @@ public class AiImageService : ApplicationService
{
Id = x.Id,
Prompt = x.Prompt,
ReferenceImagesBase64 = x.ReferenceImagesBase64,
ReferenceImagesUrl = x.ReferenceImagesUrl,
StoreBase64 = x.StoreBase64,
// ReferenceImagesBase64 = x.ReferenceImagesBase64,
// ReferenceImagesUrl = x.ReferenceImagesUrl,
// StoreBase64 = x.StoreBase64,
StoreUrl = x.StoreUrl,
TaskStatus = x.TaskStatus,
CreationTime = x.CreationTime

View File

@@ -36,10 +36,32 @@ public static class GeminiGenerateContentAcquirer
/// </summary>
/// <param name="response"></param>
/// <returns></returns>
public static string GetImageBase64(JsonElement response)
public static string GetImagePrefixBase64(JsonElement response)
{
//todo
//获取他的base64字符串
return string.Empty;
// 获取 candidates[0].content.parts[0].text
var text = response.GetPath("candidates", 0, "content", "parts", 0, "text").GetString();
if (string.IsNullOrEmpty(text))
{
return string.Empty;
}
// 解析 markdown 图片格式: ![image](data:image/png;base64,xxx)
// 提取括号内的 data:image/xxx;base64,xxx 部分
var startMarker = "(data:image/";
var startIndex = text.IndexOf(startMarker);
if (startIndex < 0)
{
return string.Empty;
}
// 从 "data:" 开始
startIndex += 1; // 跳过 "("
var endIndex = text.IndexOf(')', startIndex);
if (endIndex < 0)
{
return string.Empty;
}
return text.Substring(startIndex, endIndex - startIndex);
}
}

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@@ -0,0 +1,17 @@
namespace Yi.Framework.AiHub.Domain.Shared.Enums;
/// <summary>
/// 发布状态枚举
/// </summary>
public enum PublishStatusEnum
{
/// <summary>
/// 未发布
/// </summary>
Unpublished = 0,
/// <summary>
/// 已发布
/// </summary>
Published = 1
}

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@@ -14,22 +14,22 @@ public class ImageStoreTaskAggregateRoot : FullAuditedAggregateRoot<Guid>
public string Prompt { get; set; }
/// <summary>
/// 参考图Base64
/// 参考图PrefixBase64带前缀如 data:image/png;base64,xxx
/// </summary>
[SugarColumn(IsJson = true)]
public List<string> ReferenceImagesBase64 { get; set; }
public List<string> ReferenceImagesPrefixBase64 { get; set; }
/// <summary>
/// 参考图url
/// </summary>
[SugarColumn(IsJson = true)]
public List<string> ReferenceImagesUrl { get; set; }
/// <summary>
/// 图片base64
/// 生成图片PrefixBase64带前缀如 data:image/png;base64,xxx
/// </summary>
public string? StoreBase64 { get; set; }
public string? StorePrefixBase64 { get; set; }
/// <summary>
/// 图片绝对路径
@@ -46,6 +46,34 @@ public class ImageStoreTaskAggregateRoot : FullAuditedAggregateRoot<Guid>
/// </summary>
public Guid UserId { get; set; }
/// <summary>
/// 模型id
/// </summary>
public string ModelId { get; set; }
/// <summary>
/// 错误信息
/// </summary>
[SugarColumn(ColumnDataType = StaticConfig.CodeFirst_BigString)]
public string? ErrorInfo { get; set; }
/// <summary>
/// 发布状态
/// </summary>
public PublishStatusEnum PublishStatus { get; set; } = PublishStatusEnum.Unpublished;
/// <summary>
/// 分类标签
/// </summary>
[SugarColumn(IsJson = true)]
public List<string> Categories { get; set; } = new();
/// <summary>
/// 密钥id
/// </summary>
public Guid? TokenId { get; set; }
/// <summary>
/// 设置成功
/// </summary>

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@@ -984,11 +984,12 @@ public class AiGateWayManager : DomainService
var data = await chatService.GenerateContentAsync(modelDescribe, request, cancellationToken);
//解析json获取base64字符串
var imageBase64 = GeminiGenerateContentAcquirer.GetImageBase64(data);
var imageBase64 = GeminiGenerateContentAcquirer.GetImagePrefixBase64(data);
//远程调用上传接口将base64转换为URL
var httpClient = LazyServiceProvider.LazyGetRequiredService<IHttpClientFactory>().CreateClient();
var uploadUrl = $"https://ccnetcore.com/prod-api/ai-hub/ai-image/upload-base64";
// var uploadUrl = $"https://ccnetcore.com/prod-api/ai-hub/ai-image/upload-base64";
var uploadUrl = $"http://localhost:19001/api/app/ai-image/upload-base64";
var content = new StringContent(JsonSerializer.Serialize(imageBase64), Encoding.UTF8, "application/json");
var uploadResponse = await httpClient.PostAsync(uploadUrl, content, cancellationToken);
uploadResponse.EnsureSuccessStatusCode();
@@ -1020,7 +1021,7 @@ public class AiGateWayManager : DomainService
}
//设置存储base64和url
imageStoreTask.StoreBase64 = imageBase64;
imageStoreTask.StorePrefixBase64 = imageBase64;
imageStoreTask.SetSuccess(storeUrl);
await _imageStoreTaskRepository.UpdateAsync(imageStoreTask);
}

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@@ -21,6 +21,11 @@ public class TokenValidationResult
/// Token Id
/// </summary>
public Guid TokenId { get; set; }
/// <summary>
/// token
/// </summary>
public string Token { get; set; }
}
public class TokenManager : DomainService
@@ -39,25 +44,36 @@ public class TokenManager : DomainService
/// <summary>
/// 验证Token并返回用户Id和TokenId
/// </summary>
/// <param name="token">Token密钥</param>
/// <param name="tokenOrId">Token密钥或者TokenId</param>
/// <param name="modelId">模型Id用于判断是否是尊享模型需要检查额度</param>
/// <returns>Token验证结果</returns>
public async Task<TokenValidationResult> ValidateTokenAsync(string? token, string? modelId = null)
public async Task<TokenValidationResult> ValidateTokenAsync(object tokenOrId, string? modelId = null)
{
if (token is null)
if (tokenOrId is null)
{
throw new UserFriendlyException("当前请求未包含token", "401");
}
if (!token.StartsWith("yi-"))
TokenAggregateRoot entity;
if (tokenOrId is Guid tokenId)
{
throw new UserFriendlyException("当前请求token非法", "401");
entity = await _tokenRepository._DbQueryable
.Where(x => x.Id == tokenId)
.FirstAsync();
}
var entity = await _tokenRepository._DbQueryable
.Where(x => x.Token == token)
.FirstAsync();
else
{
var tokenStr = tokenOrId.ToString();
if (!tokenStr.StartsWith("yi-"))
{
throw new UserFriendlyException("当前请求token非法", "401");
}
entity = await _tokenRepository._DbQueryable
.Where(x => x.Token == tokenStr)
.FirstAsync();
}
if (entity is null)
{
throw new UserFriendlyException("当前请求token无效", "401");
@@ -90,7 +106,8 @@ public class TokenManager : DomainService
return new TokenValidationResult
{
UserId = entity.UserId,
TokenId = entity.Id
TokenId = entity.Id,
Token = entity.Token
};
}