Function convertTaskProgressToResponse

api/handlers.go:190–231

convertTaskProgressToResponse renders a task's current state, computing percent and speed from the snapshot taken under the task's mutex.

(task *TaskProgressInfo)

// convertTaskProgressToResponse renders a task's current state, computing
// percent and speed from the snapshot taken under the task's mutex.
func convertTaskProgressToResponse(task *TaskProgressInfo) TaskInfoResponse {
	status, total, downloaded, totalFiles, downloadedFiles, startedAt, errMsg, updatedAt := task.snapshot()

	resp := TaskInfoResponse{
		TaskID:    task.TaskID,
		Type:      tasktype.TaskType(task.Type),
		Status:    status,
		Title:     task.Title,
		Storage:   task.Storage,
		Path:      task.Path,
		Error:     errMsg,
		CreatedAt: task.CreatedAt,
		UpdatedAt: updatedAt,
	}

	var percent float64
	var speedMBPS float64
	if total > 0 {
		percent = float64(downloaded) * 100 / float64(total)
	} else if totalFiles > 0 {
		percent = float64(downloadedFiles) * 100 / float64(totalFiles)
	}
	if !startedAt.IsZero() {
		elapsed := time.Since(startedAt).Seconds()
		if elapsed > 0 {
			speedMBPS = float64(downloaded) / elapsed / (1024 * 1024)
		}
	}

	if total > 0 || totalFiles > 0 {
		resp.Progress = &TaskProgress{
			TotalBytes:      total,
			DownloadedBytes: downloaded,
			TotalFiles:      totalFiles,
			DownloadedFiles: downloadedFiles,
			Percent:         percent,
			SpeedMBPS:       speedMBPS,
		}
	}

	return resp
}

// NotFoundHandler 404 处理器
func NotFoundHandler(w http.ResponseWriter, r *http.Request) {