Function GetFileDeletionPreview

api/controller/file.go:1203–1254

GetFileDeletionPreview godoc @Summary 获取文件删除预览 @Description 获取删除文件时将会影响的数据统计 @Tags 文件管理 @Accept json @Produce json @Security BearerAuth @Param file_id path int true "文件ID" @Success 200 {object} model.CommonResponse{data=FileDeletionPreview} @Router /api/files/{file_id}/deletion-preview [get]

(c *gin.Context)

// @Success 200 {object} model.CommonResponse{data=FileDeletionPreview}
// @Router /api/files/{file_id}/deletion-preview [get]
func GetFileDeletionPreview(c *gin.Context) {
	eid := config.GetEID(c)
	userID := config.GetUserId(c)

	id := c.Param("file_id")
	if id == "" {
		c.JSON(http.StatusBadRequest, model.ParamError.ToResponse(errors.New("文件ID不能为空")))
		return
	}

	fileID, err := parseMCPStyleID(id)
	if err != nil {
		c.JSON(http.StatusBadRequest, model.ParamError.ToResponse(errors.New("无效的文件ID")))
		return
	}

	// 获取文件信息
	file, err := model.GetFileByID(eid, fileID)
	if err != nil {
		c.JSON(http.StatusNotFound, model.NotFound.ToResponse(err))
		return
	}

	permisson, err := service.GetUserPermission(eid, model.RESOURCE_TYPE_FILE, fileID, userID)
	if err != nil || permisson < model.PERMISSION_MANAGE {
		c.JSON(http.StatusForbidden, model.AuthFailed.ToResponse(err))
		return
	}

	// 获取删除统计信息
	stats, err := model.GetFileDeletionStats(eid, fileID)
	if err != nil {
		c.JSON(http.StatusInternalServerError, model.SystemError.ToResponse(err))
		return
	}

	preview := &FileDeletionPreview{
		FileID:          fileID,
		FileName:        file.Path,
		FileType:        file.Type,
		DocumentChunks:  stats.DocumentChunks,
		RetrievalChunks: stats.RetrievalChunks,
		Relations:       stats.Relations,
		Vectors:         stats.Vectors,
		OperationLogs:   stats.OperationLogs,
		FileVersions:    stats.FileVersions,
		EstimatedTime:   stats.EstimateDeletionTime(),
		RecommendAsync:  stats.ShouldUseAsync(),
	}

	c.JSON(http.StatusOK, model.Success.ToResponse(preview))
}

// FileDeletionPreview 文件删除预览
type FileDeletionPreview struct {