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|
package stdout
import (
"fmt"
"io"
"math"
"os"
"path/filepath"
"sort"
"sync"
"time"
"github.com/dundee/gdu/v5/internal/common"
"github.com/dundee/gdu/v5/pkg/analyze"
"github.com/dundee/gdu/v5/pkg/device"
"github.com/fatih/color"
)
// UI struct
type UI struct {
*common.UI
output io.Writer
red *color.Color
orange *color.Color
blue *color.Color
}
// CreateStdoutUI creates UI for stdout
func CreateStdoutUI(output io.Writer, useColors bool, showProgress bool, showApparentSize bool) *UI {
ui := &UI{
UI: &common.UI{
UseColors: useColors,
ShowProgress: showProgress,
ShowApparentSize: showApparentSize,
Analyzer: analyze.CreateAnalyzer(),
PathChecker: os.Stat,
},
output: output,
}
ui.red = color.New(color.FgRed).Add(color.Bold)
ui.orange = color.New(color.FgYellow).Add(color.Bold)
ui.blue = color.New(color.FgBlue).Add(color.Bold)
if !useColors {
color.NoColor = true
}
return ui
}
// StartUILoop stub
func (ui *UI) StartUILoop() error {
return nil
}
// ListDevices lists mounted devices and shows their disk usage
func (ui *UI) ListDevices(getter device.DevicesInfoGetter) error {
devices, err := getter.GetDevicesInfo()
if err != nil {
return err
}
maxDeviceNameLenght := maxInt(maxLength(
devices,
func(device *device.Device) string { return device.Name },
), len("Devices"))
var sizeLength, percentLength int
if ui.UseColors {
sizeLength = 20
percentLength = 16
} else {
sizeLength = 9
percentLength = 5
}
lineFormat := fmt.Sprintf(
"%%%ds %%%ds %%%ds %%%ds %%%ds %%s\n",
maxDeviceNameLenght,
sizeLength,
sizeLength,
sizeLength,
percentLength,
)
fmt.Fprintf(
ui.output,
fmt.Sprintf("%%%ds %%9s %%9s %%9s %%5s %%s\n", maxDeviceNameLenght),
"Device",
"Size",
"Used",
"Free",
"Used%",
"Mount point",
)
for _, device := range devices {
usedPercent := math.Round(float64(device.Size-device.Free) / float64(device.Size) * 100)
fmt.Fprintf(
ui.output,
lineFormat,
device.Name,
ui.formatSize(device.Size),
ui.formatSize(device.Size-device.Free),
ui.formatSize(device.Free),
ui.red.Sprintf("%.f%%", usedPercent),
device.MountPoint)
}
return nil
}
// AnalyzePath analyzes recursively disk usage in given path
func (ui *UI) AnalyzePath(path string, _ *analyze.Dir) error {
var (
dir *analyze.Dir
wait sync.WaitGroup
)
abspath, _ := filepath.Abs(path)
_, err := ui.PathChecker(abspath)
if err != nil {
return err
}
if ui.ShowProgress {
wait.Add(1)
go func() {
defer wait.Done()
ui.updateProgress()
}()
}
wait.Add(1)
go func() {
defer wait.Done()
dir = ui.Analyzer.AnalyzeDir(abspath, ui.CreateIgnoreFunc())
}()
wait.Wait()
sort.Sort(dir.Files)
var lineFormat string
if ui.UseColors {
lineFormat = "%s %20s %s\n"
} else {
lineFormat = "%s %9s %s\n"
}
var size int64
for _, file := range dir.Files {
if ui.ShowApparentSize {
size = file.GetSize()
} else {
size = file.GetUsage()
}
if file.IsDir() {
fmt.Fprintf(ui.output,
lineFormat,
string(file.GetFlag()),
ui.formatSize(size),
ui.blue.Sprintf("/"+file.GetName()))
} else {
fmt.Fprintf(ui.output,
lineFormat,
string(file.GetFlag()),
ui.formatSize(size),
file.GetName())
}
}
return nil
}
func (ui *UI) updateProgress() {
emptyRow := "\r"
for j := 0; j < 100; j++ {
emptyRow += " "
}
progressRunes := []rune(`⠇⠏⠋⠙⠹⠸⠼⠴⠦⠧`)
progressChan := ui.Analyzer.GetProgressChan()
doneChan := ui.Analyzer.GetDoneChan()
var progress analyze.CurrentProgress
i := 0
for {
fmt.Fprint(ui.output, emptyRow)
select {
case progress = <-progressChan:
case <-doneChan:
fmt.Fprint(ui.output, "\r")
return
}
fmt.Fprintf(ui.output, "\r %s ", string(progressRunes[i]))
fmt.Fprint(ui.output, "Scanning... Total items: "+
ui.red.Sprint(progress.ItemCount)+
" size: "+
ui.formatSize(progress.TotalSize))
time.Sleep(100 * time.Millisecond)
i++
i %= 10
}
}
func (ui *UI) formatSize(size int64) string {
fsize := float64(size)
switch {
case fsize >= common.EB:
return ui.orange.Sprintf("%.1f", fsize/common.EB) + " EiB"
case fsize >= common.PB:
return ui.orange.Sprintf("%.1f", fsize/common.PB) + " PiB"
case fsize >= common.TB:
return ui.orange.Sprintf("%.1f", fsize/common.TB) + " TiB"
case fsize >= common.GB:
return ui.orange.Sprintf("%.1f", fsize/common.GB) + " GiB"
case fsize >= common.MB:
return ui.orange.Sprintf("%.1f", fsize/common.MB) + " MiB"
case fsize >= common.KB:
return ui.orange.Sprintf("%.1f", fsize/common.KB) + " KiB"
default:
return ui.orange.Sprintf("%d", size) + " B"
}
}
func maxLength(list []*device.Device, keyGetter func(*device.Device) string) int {
maxLen := 0
var s string
for _, item := range list {
s = keyGetter(item)
if len(s) > maxLen {
maxLen = len(s)
}
}
return maxLen
}
func maxInt(x int, y int) int {
if x > y {
return x
}
return y
}
|
