🐛 fix(recording): #9 modify file name generation rule

Author: kmin1231

recording/util/file_upload.go

@@ -9,10 +9,13 @@ import (
 	"mime/multipart"
 	"strings"
 	"time"
+	"regexp"
+	"strconv"
 
 	"cloud.google.com/go/storage"
 
 	dbConfig "github.com/GDG-on-Campus-KHU/SDGP_team5_BE/db/config"
+	coreUtil "github.com/GDG-on-Campus-KHU/SDGP_team5_BE/util"
 )
 
 // GCS bucket에 음성 녹음 파일 업로드하고 file URL을 return
@@ -21,14 +24,26 @@ func UploadFileToGCS(file *multipart.FileHeader, userID string) (string, error)
 	ctx := context.Background()
 	client := dbConfig.GCSClient
 
+	id, err := strconv.Atoi(userID)
+	if err != nil {
+		return "", fmt.Errorf("invalid userID format: %v", err)
+	}
+
+	user, err := coreUtil.GetUserByUserID(ctx, id)
+	if err != nil {
+		return "", fmt.Errorf("failed to get user info: %v", err)
+	}
+
+	username := regexp.MustCompile(`[^가-힣a-zA-Z0-9_-]`).ReplaceAllString(user.Name, "")
+
 	// GCS bucket
 	bucketName := "resq-upload-bucket"
 	bucket := client.Bucket(bucketName)
 
 	// unique filename generation rule
 	ext := strings.ToLower(file.Filename[strings.LastIndex(file.Filename, "."):])
-	timestamp := time.Now().Format("060102150405")	// yyMMddhhmmss
-	fileName := fmt.Sprintf("user_%s_%s%s", userID, timestamp, ext)
+	timestamp := time.Now().Format("060102_150405")	// yyMMdd_hhmmss
+	fileName := fmt.Sprintf("%s_%s%s", username, timestamp, ext)
 
 	srcFile, err := file.Open()
 	if err != nil {