437 lines
12 KiB
Go
437 lines
12 KiB
Go
package flow
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import (
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"ai-agent/workflow/model/dto"
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flowDto "ai-agent/workflow/model/dto/flow"
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"bytes"
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"context"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"regexp"
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"strconv"
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"strings"
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commonHttp "gitea.com/red-future/common/http"
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"gitea.com/red-future/common/utils"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/util/gconv"
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)
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func GetIsChatModel(ctx context.Context) (res *flowDto.GetIsChatModelRes, err error) {
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res = new(flowDto.GetIsChatModelRes)
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err = commonHttp.Get(ctx, "model-gateway/model/getIsChatModel", headers, res, nil)
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return
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}
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func CreateGatewayTask(ctx context.Context, req *flowDto.CreateTaskReq) (string, error) {
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res := new(flowDto.CreateTaskRes)
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err := commonHttp.Post(ctx, "model-gateway/task/createTask", headers, res, &req)
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if err != nil {
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return "", err
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}
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return res.TaskId, nil
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}
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func ComposeMessages(ctx context.Context, req *flowDto.ComposeMessagesReq) (res *flowDto.ComposeMessagesRes, err error) {
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headers := make(map[string]string)
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if r := g.RequestFromCtx(ctx); r != nil {
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for k, v := range r.Request.Header {
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if len(v) > 0 {
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headers[k] = v[0]
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}
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}
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}
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res = new(flowDto.ComposeMessagesRes)
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err = commonHttp.Post(ctx, "prompts-core/prompt/composeMessages", headers, res, &req)
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return
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}
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func GatewayTask(ctx context.Context, epicycleId int64, model string, content map[string]any) (any, error) {
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modelTaskId, err := CreateGatewayTask(ctx, &flowDto.CreateTaskReq{
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ModelName: model,
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BizName: g.Cfg().MustGet(ctx, "server.name").String(),
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CallbackUrl: "/flow/execution/modelCallback",
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RequestPayload: content,
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EpicycleId: epicycleId,
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})
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if err != nil {
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return nil, err
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}
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return Wait(ctx, modelTaskId)
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}
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func GetTaskResult(ctx context.Context, result any) (*flowDto.TaskCallback, error) {
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task := new(flowDto.TaskCallback)
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if err := gconv.Struct(result, task); err != nil {
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return nil, err
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}
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url, err := utils.GetFileAddressPrefix(ctx)
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if err != nil {
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return nil, err
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}
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// 获取远程文件内容
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file, err := FetchRemoteJsonFile(ctx, url+task.OssFile)
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if err != nil {
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return nil, err
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}
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task.Text = gconv.String(file)
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return task, nil
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}
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func FetchRemoteJsonFile(ctx context.Context, fileUrl string) ([]byte, error) {
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// 1. 下载文件
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resp, err := g.Client().Get(ctx, fileUrl)
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if err != nil {
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return nil, fmt.Errorf("get file failed: %w", err)
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}
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defer resp.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("http status error: %d", resp.StatusCode)
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}
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return io.ReadAll(resp.Body)
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}
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func GetImageBytesFromURL(url string) (all []byte, contentType string, err error) {
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resp, err := http.Get(url)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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all, err = io.ReadAll(resp.Body)
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if err != nil {
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return
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}
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contentType = resp.Header.Get("Content-Type")
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return
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}
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func Upload(ctx context.Context, req *dto.UploadFileBytesReq) (*dto.UploadFileBytesRes, error) {
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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part, err := writer.CreateFormFile("file", req.FileName)
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if err != nil {
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return nil, err
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}
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if _, err = part.Write(req.FileBytes); err != nil {
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return nil, err
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}
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if err = writer.Close(); err != nil {
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return nil, err
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}
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headers := make(map[string]string)
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headers["Content-Type"] = writer.FormDataContentType()
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if r := g.RequestFromCtx(ctx); r != nil {
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if auth := r.Header.Get("Authorization"); auth != "" {
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headers["Authorization"] = auth
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}
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}
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// 发起上传请求
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res := &dto.UploadFileBytesRes{}
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url := "oss/file/uploadFile"
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if err = commonHttp.Post(ctx, url, headers, res, body.Bytes()); err != nil {
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return nil, err
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}
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g.Log().Infof(ctx, "[Upload] success url=%s size=%d", res.FileURL, res.FileSize)
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return res, nil
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}
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func BuildText(text string) string {
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// 生成单条HTML
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var htmlBuilder strings.Builder
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htmlBuilder.WriteString(`
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
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background: #f5f5f5;
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color: #333;
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line-height: 1.8;
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padding: 20px;
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}
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.container {
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max-width: 900px;
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margin: 0 auto;
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background: #fff;
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border-radius: 12px;
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box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
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overflow: hidden;
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}
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.item {
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padding: 30px;
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}
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.image-group {
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margin-bottom: 25px;
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}
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.image-group img {
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width: 100%;
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height: auto;
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display: block;
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margin-bottom: 15px;
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border-radius: 8px;
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
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}
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.image-group img:last-child {
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margin-bottom: 0;
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}
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.text {
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padding: 0;
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font-size: 15px;
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line-height: 1.8;
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color: #555;
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}
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.text h2 {
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font-size: 28px;
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font-weight: bold;
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color: #1a1a1a;
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margin-bottom: 15px;
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line-height: 1.4;
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}
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.text h3 {
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font-size: 20px;
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font-weight: 600;
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color: #2c3e50;
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margin: 20px 0 12px;
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padding-left: 12px;
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border-left: 4px solid #409eff;
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}
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.text p {
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margin-bottom: 15px;
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text-align: justify;
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}
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.text strong {
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color: #e74c3c;
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font-weight: 600;
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}
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.text ul {
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list-style: none;
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padding: 0;
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margin: 15px 0;
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}
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.text ul li {
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padding: 10px 0 10px 30px;
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position: relative;
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line-height: 1.6;
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}
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.text ul li:before {
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content: "●";
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color: #409eff;
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font-size: 12px;
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position: absolute;
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left: 12px;
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top: 12px;
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}
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@media (max-width: 768px) {
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body {
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padding: 10px;
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}
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.item {
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padding: 20px;
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}
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.text h2 {
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font-size: 24px;
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}
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.text h3 {
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font-size: 18px;
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}
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="item">
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`)
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//// 写入图片（支持0张、1张、多张）
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//if len(images) > 0 {
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// htmlBuilder.WriteString(`<div class="image-group">`)
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// for _, imgUrl := range images {
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// htmlBuilder.WriteString(fmt.Sprintf(`<img src="%s" alt="图片"/>`, imgUrl))
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// }
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// htmlBuilder.WriteString(`</div>`)
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//}
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// 🔥 写入文案前：删除 <p class="image-count">需要配图：X 张</p>
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if text != "" {
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// 正则删除整行
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imageTagRegex := regexp.MustCompile(`<p class="image-count">[\s\S]*?</p>`)
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//re := regexp.MustCompile(`<p class="image-count">需要配图：\d+ 张</p>`)
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cleanContent := imageTagRegex.ReplaceAllString(text, "")
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// 写入清理后的文案
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htmlBuilder.WriteString(fmt.Sprintf(`<div class="text">%s</div>`, cleanContent))
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}
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htmlBuilder.WriteString(`</div>
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</div>
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</body>
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</html>`)
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return htmlBuilder.String()
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}
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func BuildHtml(text string, images []string) string {
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var htmlBuilder strings.Builder
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htmlBuilder.WriteString(`<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: "Microsoft YaHei", sans-serif;
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padding: 20px;
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background-color: #f6f6f6;
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line-height: 1.7;
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font-size: 16px;
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color: #333;
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}
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.container {
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max-width: 750px;
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margin: 0 auto;
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background: #fff;
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padding: 30px;
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border-radius: 12px;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
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}
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#content {
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white-space: pre-line;
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}
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</style>
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</head>
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<body>
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<div class="container">
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`)
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// 写入图片（支持0张、1张、多张）
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if len(images) > 0 {
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htmlBuilder.WriteString(`<div class="image-group">`)
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for _, imgUrl := range images {
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htmlBuilder.WriteString(fmt.Sprintf(`<img src="%s" alt="图片"/>`, imgUrl))
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}
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htmlBuilder.WriteString(`</div>`)
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}
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htmlBuilder.WriteString(`
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<div id="content">加载中...</div>
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</div>
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<script>
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const incUrl = "` + text + `";
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fetch(incUrl)
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.then(res => {
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if (!res.ok) throw new Error("加载失败");
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return res.text();
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})
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.then(text => {
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document.getElementById("content").textContent = text;
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})
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.catch(err => {
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document.getElementById("content").innerHTML = "加载失败：" + err.message;
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});
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</script>
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</body>
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</html>`)
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return htmlBuilder.String()
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}
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// ExtractImageCount 从 HTML 内容里提取图片数量（例如从 <p class="image-count">需要配图：3 张</p> 拿到 3）
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func ExtractImageCount(content string) int {
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re := regexp.MustCompile(`<p class="image-count">[^\d]*(\d+)[^\d]*</p>`)
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match := re.FindStringSubmatch(content)
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if len(match) >= 2 {
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num, _ := strconv.Atoi(match[1])
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return num
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}
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return 0
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}
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// StripHtmlTags 去掉所有HTML标签，保留换行和文本结构，并删除配图标记行
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func StripHtmlTags(html string, delImageCount bool) string {
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if delImageCount {
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// 🔥 第一步：直接删除整个 <p class="image-count">...</p> 标签（包含内容）
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imageTagRegex := regexp.MustCompile(`<p class="image-count">[\s\S]*?</p>`)
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html = imageTagRegex.ReplaceAllString(html, "")
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}
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// 1. 替换块级标签为换行，保证排版
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blockTags := regexp.MustCompile(`</?(div|p|h1|h2|h3|h4|h5|h6|li|ul|ol|br|tr|td|th)[^>]*>`)
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text := blockTags.ReplaceAllString(html, "\n")
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// 2. 去掉所有剩余的 HTML 标签
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allTags := regexp.MustCompile(`<[^>]+>`)
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text = allTags.ReplaceAllString(text, "")
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// 4. 清理多余空行（多个换行只保留一个）
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text = regexp.MustCompile(`\n\s*\n`).ReplaceAllString(text, "\n")
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// 5. 只去掉首尾空白，中间换行保留
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text = strings.TrimSpace(text)
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return text
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}
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// SplitMultiContents 拆分模型返回的多条文案（基于HTML标签分隔）
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func SplitMultiContents(htmlContent string) []string {
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var contents []string
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// 正则匹配<div class="content-item" id="content-{序号}">包裹的内容
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re := regexp.MustCompile(`<div class="content-item" id="content-\d+">([\s\S]*?)</div>`)
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matches := re.FindAllStringSubmatch(htmlContent, -1)
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for _, match := range matches {
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if len(match) > 1 {
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// 清理空内容
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trimmed := strings.TrimSpace(match[1])
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if trimmed != "" {
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contents = append(contents, trimmed)
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}
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}
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}
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// 兜底：如果没有匹配到结构化内容，按换行/分隔符拆分
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if len(contents) == 0 {
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contents = strings.Split(htmlContent, "===分隔符===") // 提示词中可新增此兜底规则
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}
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return contents
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}
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