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package tui
import (
"fmt"
"strings"
"time"
)
type ProgressBar struct {
title string
width int
steps int
n int
start time.Time
}
func NewProgressBar(title string, width, steps int, start time.Time) *ProgressBar {
pb := &ProgressBar{
title: title,
width: width,
steps: steps,
start: start,
}
pb.Print()
return pb
}
func (p *ProgressBar) Increment() {
p.n++
}
func (p *ProgressBar) Update(steps int) {
p.n = steps
}
func (p *ProgressBar) Print() {
fmt.Print(p.String())
}
func (p *ProgressBar) Finish() {
fmt.Println()
}
func (p *ProgressBar) String() string {
progress := int(float64(p.n) / float64(p.steps) * float64(p.width))
percentage := int(float64(p.n) / float64(p.steps) * 100)
lap := time.Since(p.start)
duration := fmt.Sprintf("%02d:%02d:%02d", int(lap.Hours()), int(lap.Minutes())%60, int(lap.Seconds())%60)
return fmt.Sprintf(
"\r[%s] %-20s %3d%% [%s%s] %d/%d",
duration,
p.title,
percentage,
strings.Repeat("=", min(progress, p.width)),
strings.Repeat("-", max(0, p.width-progress)),
p.n,
p.steps,
)
}
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