mirror of
https://github.com/yangjian102621/geekai.git
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334 lines
9.3 KiB
Go
334 lines
9.3 KiB
Go
package dalle
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// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// * Copyright 2023 The Geek-AI Authors. All rights reserved.
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// * Use of this source code is governed by a Apache-2.0 license
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// * that can be found in the LICENSE file.
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// * @Author yangjian102621@163.com
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// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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import (
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"fmt"
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"geekai/core/types"
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logger2 "geekai/logger"
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"geekai/service"
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"geekai/service/oss"
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"geekai/store"
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"geekai/store/model"
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"geekai/utils"
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"io"
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"time"
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"github.com/go-redis/redis/v8"
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"github.com/imroc/req/v3"
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"gorm.io/gorm"
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)
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var logger = logger2.GetLogger()
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// DALL-E 绘画服务
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type Service struct {
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httpClient *req.Client
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db *gorm.DB
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uploadManager *oss.UploaderManager
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taskQueue *store.RedisQueue
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notifyQueue *store.RedisQueue
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userService *service.UserService
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wsService *service.WebsocketService
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clientIds map[uint]string
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}
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func NewService(db *gorm.DB, manager *oss.UploaderManager, redisCli *redis.Client, userService *service.UserService, wsService *service.WebsocketService) *Service {
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return &Service{
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httpClient: req.C().SetTimeout(time.Minute * 3),
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db: db,
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taskQueue: store.NewRedisQueue("DallE_Task_Queue", redisCli),
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notifyQueue: store.NewRedisQueue("DallE_Notify_Queue", redisCli),
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wsService: wsService,
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uploadManager: manager,
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userService: userService,
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clientIds: map[uint]string{},
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}
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}
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// PushTask push a new mj task in to task queue
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func (s *Service) PushTask(task types.DallTask) {
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logger.Infof("add a new DALL-E task to the task list: %+v", task)
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s.taskQueue.RPush(task)
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}
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func (s *Service) Run() {
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// 将数据库中未提交的人物加载到队列
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var jobs []model.DallJob
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s.db.Where("progress", 0).Find(&jobs)
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for _, v := range jobs {
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var task types.DallTask
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err := utils.JsonDecode(v.TaskInfo, &task)
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if err != nil {
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logger.Errorf("decode task info with error: %v", err)
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continue
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}
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task.Id = v.Id
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s.PushTask(task)
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}
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logger.Info("Starting DALL-E job consumer...")
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go func() {
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for {
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var task types.DallTask
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err := s.taskQueue.LPop(&task)
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if err != nil {
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logger.Errorf("taking task with error: %v", err)
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continue
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}
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logger.Infof("handle a new DALL-E task: %+v", task)
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s.clientIds[task.Id] = task.ClientId
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_, err = s.Image(task, false)
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if err != nil {
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logger.Errorf("error with image task: %v", err)
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s.db.Model(&model.DallJob{Id: task.Id}).UpdateColumns(map[string]interface{}{
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"progress": service.FailTaskProgress,
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"err_msg": err.Error(),
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})
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s.notifyQueue.RPush(service.NotifyMessage{ClientId: task.ClientId, UserId: int(task.UserId), JobId: int(task.Id), Message: service.TaskStatusFailed})
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}
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}
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}()
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}
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type imgReq struct {
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Model string `json:"model"`
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Prompt string `json:"prompt"`
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N int `json:"n,omitempty"`
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Size string `json:"size,omitempty"`
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Quality string `json:"quality,omitempty"`
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Style string `json:"style,omitempty"`
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}
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type imgRes struct {
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Created int64 `json:"created"`
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Data []struct {
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RevisedPrompt string `json:"revised_prompt,omitempty"`
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Url string `json:"url,omitempty"`
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B64Json string `json:"b64_json,omitempty"`
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} `json:"data"`
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}
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type ErrRes struct {
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Error struct {
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Code interface{} `json:"code"`
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Message string `json:"message"`
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Param interface{} `json:"param"`
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Type string `json:"type"`
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} `json:"error"`
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}
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func (s *Service) Image(task types.DallTask, sync bool) (string, error) {
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logger.Debugf("绘画参数：%+v", task)
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prompt := task.Prompt
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// translate prompt
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if utils.HasChinese(prompt) {
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content, err := utils.OpenAIRequest(s.db, fmt.Sprintf(service.TranslatePromptTemplate, prompt), task.TranslateModelId)
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if err == nil {
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prompt = content
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logger.Debugf("重写后提示词：%s", prompt)
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}
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}
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var chatModel model.ChatModel
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s.db.Where("id = ?", task.ModelId).First(&chatModel)
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// get image generation API KEY
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var apiKey model.ApiKey
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session := s.db.Where("enabled", true)
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if chatModel.KeyId > 0 {
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session = session.Where("id = ?", chatModel.KeyId)
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} else {
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session = session.Where("type = ?", "dalle")
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}
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err := session.Order("last_used_at ASC").First(&apiKey).Error
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if err != nil {
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return "", fmt.Errorf("no available Image Generation api key: %v", err)
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}
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var res imgRes
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var errRes ErrRes
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if len(apiKey.ProxyURL) > 5 {
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s.httpClient.SetProxyURL(apiKey.ProxyURL).R()
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}
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apiURL := fmt.Sprintf("%s/v1/images/generations", apiKey.ApiURL)
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reqBody := imgReq{
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Model: chatModel.Value,
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Prompt: prompt,
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N: 1,
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Size: task.Size,
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Style: task.Style,
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Quality: task.Quality,
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}
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logger.Infof("Channel:%s, API KEY:%s, BODY: %+v", apiURL, apiKey.Value, reqBody)
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r, err := s.httpClient.R().SetHeader("Body-Type", "application/json").
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SetHeader("Authorization", "Bearer "+apiKey.Value).
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SetBody(reqBody).
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SetErrorResult(&errRes).
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SetSuccessResult(&res).
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Post(apiURL)
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if err != nil {
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logger.Errorf("error with send request: %v", err)
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return "", fmt.Errorf("error with send request: %v", err)
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}
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if r.IsErrorState() {
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logger.Errorf("error with send request, status: %s, %+v", r.Status, errRes.Error)
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return "", fmt.Errorf("error with send request, status: %s, %+v", r.Status, errRes.Error)
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}
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all, _ := io.ReadAll(r.Body)
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logger.Debugf("response: %+v", string(all))
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// update the api key last use time
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s.db.Model(&apiKey).UpdateColumn("last_used_at", time.Now().Unix())
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var imgURL string
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var data = map[string]interface{}{
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"progress": 100,
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"prompt": prompt,
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}
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// 如果返回的是base64，则需要上传到oss
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if res.Data[0].B64Json != "" {
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imgURL, err = s.uploadManager.GetUploadHandler().PutBase64(res.Data[0].B64Json)
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if err != nil {
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return "", fmt.Errorf("error with upload image: %v", err)
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}
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logger.Infof("upload image to oss: %s", imgURL)
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data["img_url"] = imgURL
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} else {
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imgURL = res.Data[0].Url
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}
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data["org_url"] = imgURL
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// update task progress
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err = s.db.Model(&model.DallJob{Id: task.Id}).UpdateColumns(data).Error
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if err != nil {
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return "", fmt.Errorf("err with update database: %v", err)
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}
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s.notifyQueue.RPush(service.NotifyMessage{ClientId: task.ClientId, UserId: int(task.UserId), JobId: int(task.Id), Message: service.TaskStatusFailed})
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var content string
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if sync {
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imgURL, err := s.downloadImage(task.Id, int(task.UserId), res.Data[0].Url)
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if err != nil {
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return "", fmt.Errorf("error with download image: %v", err)
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}
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content = fmt.Sprintf("```\n%s\n```\n下面是我为你创作的图片：\n\n\n", prompt, imgURL)
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}
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return content, nil
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}
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func (s *Service) CheckTaskNotify() {
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go func() {
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logger.Info("Running DALL-E task notify checking ...")
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for {
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var message service.NotifyMessage
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err := s.notifyQueue.LPop(&message)
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if err != nil {
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continue
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}
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logger.Debugf("notify message: %+v", message)
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client := s.wsService.Clients.Get(message.ClientId)
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if client == nil {
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continue
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}
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utils.SendChannelMsg(client, types.ChDall, message.Message)
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}
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}()
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}
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func (s *Service) CheckTaskStatus() {
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go func() {
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logger.Info("Running DALL-E task status checking ...")
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for {
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// 检查未完成任务进度
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var jobs []model.DallJob
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s.db.Where("progress < ?", 100).Find(&jobs)
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for _, job := range jobs {
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// 超时的任务标记为失败
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if time.Now().Sub(job.CreatedAt) > time.Minute*10 {
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job.Progress = service.FailTaskProgress
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job.ErrMsg = "任务超时"
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s.db.Updates(&job)
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}
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}
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// 找出失败的任务，并恢复其扣减算力
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s.db.Where("progress", service.FailTaskProgress).Where("power > ?", 0).Find(&jobs)
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for _, job := range jobs {
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var task types.DallTask
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err := utils.JsonDecode(job.TaskInfo, &task)
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if err != nil {
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continue
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}
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err = s.userService.IncreasePower(int(job.UserId), job.Power, model.PowerLog{
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Type: types.PowerRefund,
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Model: task.ModelName,
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Remark: fmt.Sprintf("任务失败，退回算力。任务ID：%d，Err: %s", job.Id, job.ErrMsg),
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})
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if err != nil {
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continue
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}
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// 更新任务状态
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s.db.Model(&job).UpdateColumn("power", 0)
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}
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time.Sleep(time.Second * 10)
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}
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}()
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}
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func (s *Service) DownloadImages() {
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go func() {
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var items []model.DallJob
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for {
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res := s.db.Where("img_url = ? AND progress = ?", "", 100).Find(&items)
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if res.Error != nil {
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continue
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}
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// download images
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for _, v := range items {
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if v.OrgURL == "" {
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continue
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}
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logger.Infof("try to download image: %s", v.OrgURL)
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imgURL, err := s.downloadImage(v.Id, int(v.UserId), v.OrgURL)
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if err != nil {
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logger.Error("error with download image: %s, error: %v", imgURL, err)
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continue
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} else {
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logger.Infof("download image %s successfully.", v.OrgURL)
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}
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}
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time.Sleep(time.Second * 5)
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}
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}()
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}
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func (s *Service) downloadImage(jobId uint, userId int, orgURL string) (string, error) {
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// sava image
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imgURL, err := s.uploadManager.GetUploadHandler().PutUrlFile(orgURL, false)
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if err != nil {
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return "", err
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}
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// update img_url
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res := s.db.Model(&model.DallJob{Id: jobId}).UpdateColumn("img_url", imgURL)
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if res.Error != nil {
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return "", err
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}
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s.notifyQueue.RPush(service.NotifyMessage{ClientId: s.clientIds[jobId], UserId: userId, JobId: int(jobId), Message: service.TaskStatusFinished})
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return imgURL, nil
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}
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