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|
package timer
import (
"context"
"errors"
"fmt"
"os"
"os/exec"
"time"
)
// Tracker abstracts timer-to-task tracking so TrackTime can be unit-tested.
type Tracker interface {
Track(description string, minutes int) error
}
const trackCommandTimeout = 10 * time.Second
type taskwarriorTracker struct{}
// Track creates a Taskwarrior entry for tracked timer minutes.
func (taskwarriorTracker) Track(description string, minutes int) error {
taskDescription := fmt.Sprintf("%dmin %s", minutes, description)
ctx, cancel := context.WithTimeout(context.Background(), trackCommandTimeout)
defer cancel()
cmd := exec.CommandContext(ctx, "task", "add", "+track", taskDescription)
output, err := cmd.CombinedOutput()
if err != nil {
if errors.Is(ctx.Err(), context.DeadlineExceeded) {
return fmt.Errorf("task command timed out after %s", trackCommandTimeout)
}
return fmt.Errorf("task command failed: %s\nOutput: %s", err, string(output))
}
return nil
}
// StartTimer starts the timer, or continues an existing elapsed timer when requested.
func StartTimer(continued bool) (string, error) {
state, err := LoadState()
if err != nil {
return "", fmt.Errorf("error loading state: %w", err)
}
if state.Running {
return "Timer is already running.", nil
}
state.Running = true
state.StartTime = time.Now()
if err := state.Save(); err != nil {
return "", fmt.Errorf("error saving state: %w", err)
}
if continued {
return "Timer continued.", nil
}
return "Timer started.", nil
}
// StopTimer stops the running timer and persists elapsed time.
func StopTimer() (string, error) {
state, err := LoadState()
if err != nil {
return "", fmt.Errorf("error loading state: %w", err)
}
if !state.Running {
return "Timer is not running.", nil
}
state.Running = false
state.ElapsedTime += time.Since(state.StartTime)
if err := state.Save(); err != nil {
return "", fmt.Errorf("error saving state: %w", err)
}
return "Timer stopped.", nil
}
func getElapsed() (state State, elapsed time.Duration, err error) {
state, err = LoadState()
if err != nil {
return state, 0, fmt.Errorf("error loading state: %w", err)
}
elapsed = state.ElapsedTime
if state.Running {
elapsed += time.Since(state.StartTime)
}
return state, elapsed, nil
}
// GetStatus returns a human-readable timer status summary.
func GetStatus() (string, error) {
state, elapsed, err := getElapsed()
if err != nil {
return "", err
}
if state.Running {
return fmt.Sprintf("Status: Running\nElapsed Time: %s", elapsed.Round(time.Second)), nil
}
return fmt.Sprintf("Status: Stopped\nElapsed Time: %s", elapsed.Round(time.Second)), nil
}
// ResetTimer resets persisted timer state to zero.
func ResetTimer() (string, error) {
stateFile, err := GetStateFile()
if err != nil {
return "", fmt.Errorf("error getting state file path: %w", err)
}
if err := os.Remove(stateFile); err != nil {
if !os.IsNotExist(err) {
return "", fmt.Errorf("error resetting timer: %w", err)
}
}
state := State{}
if err := state.Save(); err != nil {
return "", fmt.Errorf("error saving state: %w", err)
}
return "Timer reset.", nil
}
// GetRawStatus returns elapsed time in seconds.
func GetRawStatus() (string, error) {
_, elapsed, err := getElapsed()
if err != nil {
return "", err
}
return fmt.Sprintf("%f", elapsed.Seconds()), nil
}
// GetRawMinutesStatus returns elapsed time in whole minutes.
func GetRawMinutesStatus() (string, error) {
_, elapsed, err := getElapsed()
if err != nil {
return "", err
}
return fmt.Sprintf("%d", int(elapsed.Minutes())), nil
}
// GetPromptStatus returns compact prompt-friendly timer output.
func GetPromptStatus() (string, error) {
state, elapsed, err := getElapsed()
if err != nil {
return "", err
}
if elapsed == 0 {
return "", nil
}
icon := "⏸"
if state.Running {
icon = "▶"
}
return fmt.Sprintf("%s%s", icon, elapsed.Round(time.Second)), nil
}
// TrackTime tracks elapsed timer time with the default tracker and resets state.
func TrackTime(description string) (string, error) {
return TrackTimeWithTracker(description, taskwarriorTracker{})
}
// TrackTimeWithTracker tracks elapsed time using the provided tracker implementation.
func TrackTimeWithTracker(description string, tracker Tracker) (string, error) {
if tracker == nil {
return "", errors.New("tracker is nil")
}
// Load current state
state, err := LoadState()
if err != nil {
return "", fmt.Errorf("error loading state: %w", err)
}
// Calculate total elapsed time
elapsed := state.ElapsedTime
if state.Running {
elapsed += time.Since(state.StartTime)
}
// Convert to minutes
minutes := int(elapsed.Minutes())
// If timer was running, stop it
if state.Running {
state.Running = false
state.ElapsedTime = elapsed
if err := state.Save(); err != nil {
return "", fmt.Errorf("error saving state after stopping: %w", err)
}
}
if err := tracker.Track(description, minutes); err != nil {
return "", err
}
// Command succeeded, reset the timer
if _, err := ResetTimer(); err != nil {
return "", fmt.Errorf("tracked time successfully but failed to reset timer: %w", err)
}
return fmt.Sprintf("Tracked %d minutes: %s\nTimer reset.", minutes, description), nil
}
|
