269 lines
6.8 KiB
Go
269 lines
6.8 KiB
Go
package util
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"model-gateway/model/entity"
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"net/http"
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"net/url"
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"regexp"
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"strings"
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"time"
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"github.com/gogf/gf/v2/encoding/gjson"
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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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tgjson "github.com/tidwall/gjson"
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)
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// ValidatePromptResult 校验模型返回结果的 JSON 结构完整性
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// 校验逻辑：只校验 requestMapping 中默认值为空的必填字段
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func ValidatePromptResult(raw map[string]any, model *entity.AsynchModel) error {
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// 1) 获取校验配置，并取值
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requestMapping := model.RequestMapping
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contentStr, ok := raw[model.ResponseBody].(string)
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if !ok || contentStr == "" {
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return fmt.Errorf("%s 字段为空或不是字符串", model.ResponseBody)
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}
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// 2) 解析 content 为 JSON 数组
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var rounds []map[string]any
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if err := gjson.DecodeTo(contentStr, &rounds); err != nil {
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return fmt.Errorf("解析 content JSON 数组失败: %w", err)
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}
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if len(rounds) == 0 {
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return fmt.Errorf("content 数组为空")
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}
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// 3) 逐条校验：只检查默认值为空的必填字段是否存在
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for i, round := range rounds {
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for path, defaultValue := range requestMapping {
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if !g.IsEmpty(defaultValue) {
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continue
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}
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if gjson.New(round).Get(path).IsNil() {
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return fmt.Errorf("rounds[%d] 缺少必填字段: %s", i, path)
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}
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}
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}
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return nil
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}
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// ParseHeadMsgHeaders 从 head_msg JSON 中提取请求头
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// head_msg 格式示例：
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//
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// {
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// "Authorization": "Bearer xxx",
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// "Content-Type": "application/json",
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// "X-Api-App-Id": "5147401364",
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// "X-Api-Access-Key": "VCqRX7..."
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// }
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func ParseHeadMsgHeaders(headMsg map[string]any) map[string]string {
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if len(headMsg) == 0 {
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return nil
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}
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out := make(map[string]string, len(headMsg))
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for k, v := range headMsg {
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out[k] = gconv.String(v)
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}
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return out
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}
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// MapResponsePayload 映射模型响应为标准格式
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func MapResponsePayload(mapping map[string]any, result map[string]any) (map[string]any, error) {
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if len(mapping) == 0 {
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return result, nil
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}
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// 把 result 转成 JSON 字符串，tidwall/gjson 需要字符串输入
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resultBytes, _ := json.Marshal(result)
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resultStr := string(resultBytes)
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mapped := make(map[string]any)
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for standardField, modelPath := range mapping {
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path := gconv.String(modelPath)
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if path == "" {
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continue
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}
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value := tgjson.Get(resultStr, path)
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if !value.Exists() {
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continue
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}
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// 如果是数组路径（含 #），取 Array；否则取单值
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if strings.Contains(path, "#") {
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var arr []any
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for _, v := range value.Array() {
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arr = append(arr, v.Value())
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}
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mapped[standardField] = arr
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} else {
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mapped[standardField] = value.Value()
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}
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}
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return mapped, nil
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}
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// GetModelBody 获取数据库中保存的模型信息
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func GetModelBody(v map[string]any) map[string]any {
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if v == nil {
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return nil
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}
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if p, ok := v["body"]; ok {
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return gconv.Map(p)
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}
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return v
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}
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// BodyToQuery 将 body 转为 url.Values
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func BodyToQuery(payload map[string]any) (url.Values, error) {
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q := url.Values{}
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for k, v := range payload {
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if v == nil {
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continue
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}
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q.Set(k, gconv.String(v))
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}
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return q, nil
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}
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// PullTaskResult 轮询查询异步任务结果直到完成
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func PullTaskResult(ctx context.Context, body map[string]any, queryConfig map[string]any, headMsg map[string]any) (map[string]any, error) {
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// 1) 解析配置
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// 1.1 提取 taskID
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taskIDPath := gconv.String(queryConfig["task_id"])
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taskID := gconv.String(gjson.New(body).Get(taskIDPath).Val())
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if taskID == "" {
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return nil, fmt.Errorf("无法从路径 %s 提取 taskID", taskIDPath)
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}
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g.Log().Infof(ctx, "[PullTaskResult] taskID=%s", taskID)
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// 1.2 请求地址，替换 {id}
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queryUrl := gconv.String(queryConfig["url"])
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queryUrl = replaceURLParams(queryUrl, map[string]any{"id": taskID})
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// 1.3 请求方式
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method := gconv.String(queryConfig["method"])
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if method == "" {
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method = "GET"
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}
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// 1.4 状态判断配置
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statusPath := gconv.String(queryConfig["status_path"])
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statusValues, _ := queryConfig["status_values"].(map[string]any)
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if statusPath == "" {
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statusPath = "status"
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}
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// 1.5 轮询间隔
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interval := gconv.Int(queryConfig["interval_seconds"])
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if interval <= 0 {
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interval = 2
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}
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// 1.6 请求体
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reqBodyMap := map[string]any{"task_id": taskID}
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// 2) 轮询请求
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for {
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select {
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case <-ctx.Done():
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return nil, ctx.Err()
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default:
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}
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var reqBody io.Reader
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if method == "POST" {
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bs, _ := json.Marshal(reqBodyMap)
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reqBody = bytes.NewReader(bs)
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}
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req, err := http.NewRequestWithContext(ctx, method, queryUrl, reqBody)
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if err != nil {
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return nil, fmt.Errorf("创建请求失败: %w", err)
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}
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// 统一用 headMsg 注入请求头
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for hk, hv := range ParseHeadMsgHeaders(headMsg) {
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req.Header.Set(hk, hv)
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}
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client := &http.Client{Timeout: 30 * time.Second}
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resp, err := client.Do(req)
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if err != nil {
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g.Log().Warningf(ctx, "[PullTaskResult] 请求失败 taskID=%s err=%v", taskID, err)
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time.Sleep(time.Duration(interval) * time.Second)
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continue
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}
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raw, _ := io.ReadAll(resp.Body)
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_ = resp.Body.Close()
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g.Log().Infof(ctx, "[PullTaskResult] taskID=%s statusCode=%d body=%s", taskID, resp.StatusCode, string(raw))
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if resp.StatusCode < 200 || resp.StatusCode >= 300 {
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time.Sleep(time.Duration(interval) * time.Second)
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continue
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}
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var result map[string]any
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_ = json.Unmarshal(raw, &result)
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statusVal := gjson.New(result).Get(statusPath).Val()
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statusStr := gconv.String(statusVal)
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g.Log().Infof(ctx, "[PullTaskResult] 状态 taskID=%s status=%v", taskID, statusVal)
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if matchStatus(statusStr, statusValues["succeeded"]) {
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g.Log().Infof(ctx, "[PullTaskResult] 任务成功 taskID=%s", taskID)
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return result, nil
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}
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if matchStatus(statusStr, statusValues["failed"]) {
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g.Log().Errorf(ctx, "[PullTaskResult] 任务失败 taskID=%s", taskID)
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return result, fmt.Errorf("任务失败")
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}
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time.Sleep(time.Duration(interval) * time.Second)
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}
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}
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func matchStatus(actual string, expected any) bool {
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switch v := expected.(type) {
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case string:
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return actual == v
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case []any:
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for _, item := range v {
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if actual == gconv.String(item) {
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return true
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}
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}
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}
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return false
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}
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// replaceURLParams 替换 URL 中的 {key}
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func replaceURLParams(url string, params map[string]any) string {
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re := regexp.MustCompile(`\{([^}]+)}`)
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return re.ReplaceAllStringFunc(url, func(s string) string {
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key := strings.Trim(s, "{}")
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if val, ok := params[key]; ok {
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return gconv.String(val)
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}
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return s
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})
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}
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// InjectCallbackURL 将回调地址注入到请求体中
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func InjectCallbackURL(ctx context.Context, payload map[string]any, callbackURL string) map[string]any {
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if callbackURL == "" {
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return payload
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}
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payload[callbackURL] = GetCallbackURL(ctx, "/task/modelCallback")
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return payload
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}
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