📝 Add docstrings to hotfix/analytic

Docstrings generation was requested by @wzxjohn.

* https://github.com/QuantumNous/new-api/pull/2133#issuecomment-3484993715

The following files were modified:

* `common/embed-file-system.go`

common/embed-file-system.go

@@ -4,6 +4,7 @@ import (
 	"embed"
 	"io/fs"
 	"net/http"
+	"os"
 
 	"github.com/gin-contrib/static"
 )
@@ -14,7 +15,7 @@ type embedFileSystem struct {
 	http.FileSystem
 }
 
-func (e embedFileSystem) Exists(prefix string, path string) bool {
+func (e *embedFileSystem) Exists(prefix string, path string) bool {
 	_, err := e.Open(path)
 	if err != nil {
 		return false
@@ -22,12 +23,22 @@ func (e embedFileSystem) Exists(prefix string, path string) bool {
 	return true
 }
 
+func (e *embedFileSystem) Open(name string) (http.File, error) {
+	if name == "/" {
+		// This will make sure the index page goes to NoRouter handler,
+		// which will use the replaced index bytes with analytic codes.
+		return nil, os.ErrNotExist
+	}
+	return e.FileSystem.Open(name)
+}
+
+// requested subtree cannot be opened.
 func EmbedFolder(fsEmbed embed.FS, targetPath string) static.ServeFileSystem {
 	efs, err := fs.Sub(fsEmbed, targetPath)
 	if err != nil {
 		panic(err)
 	}
-	return embedFileSystem{
+	return &embedFileSystem{
 		FileSystem: http.FS(efs),
 	}
-}
+}

logger/logger.go

@@ -67,10 +67,8 @@ func LogError(ctx context.Context, msg string) {
 }
 
 func LogDebug(ctx context.Context, msg string, args ...any) {
+	msg = fmt.Sprintf(msg, args...)
 	if common.DebugEnabled {
-		if len(args) > 0 {
-			msg = fmt.Sprintf(msg, args...)
-		}
 		logHelper(ctx, loggerDebug, msg)
 	}
 }

relay/channel/task/jimeng/adaptor.go

@@ -406,10 +406,7 @@ func (a *TaskAdaptor) convertToRequestPayload(req *relaycommon.TaskSubmitReq) (*
 	// 即梦视频3.0 ReqKey转换
 	// https://www.volcengine.com/docs/85621/1792707
 	if strings.Contains(r.ReqKey, "jimeng_v30") {
-		if r.ReqKey == "jimeng_v30_pro" {
-			// 3.0 pro只有固定的jimeng_ti2v_v30_pro
-			r.ReqKey = "jimeng_ti2v_v30_pro"
-		} else if len(req.Images) > 1 {
+		if len(req.Images) > 1 {
 			// 多张图片：首尾帧生成
 			r.ReqKey = strings.Replace(r.ReqKey, "jimeng_v30", "jimeng_i2v_first_tail_v30", 1)
 		} else if len(req.Images) == 1 {