143 lines
3.8 KiB
Go
143 lines
3.8 KiB
Go
package main
|
|
|
|
import (
|
|
"brainbaking.com/restictray/restic"
|
|
"fyne.io/systray"
|
|
"fyne.io/systray/example/icon"
|
|
"github.com/rs/zerolog"
|
|
"github.com/rs/zerolog/log"
|
|
"os"
|
|
"strconv"
|
|
"time"
|
|
)
|
|
|
|
// I'm ignoring go threading issues here; assume no clicks happen at the same time.
|
|
var wrapper *restic.Wrapper
|
|
|
|
func addMenuQuit() {
|
|
systray.AddSeparator()
|
|
addMenuWithQuitAction("Quit", "Quit Restictray")
|
|
}
|
|
|
|
func addMenuError(err error) {
|
|
addMenuWithQuitAction("❗ "+err.Error(), "Restictray Error")
|
|
}
|
|
|
|
func handleError(err error) {
|
|
log.Err(err).Msg("")
|
|
systray.ResetMenu()
|
|
addMenuError(err)
|
|
addMenuQuit()
|
|
}
|
|
|
|
func addMenuWithQuitAction(title string, tooltip string) {
|
|
mQuit := systray.AddMenuItem(title, tooltip)
|
|
go func() {
|
|
<-mQuit.ClickedCh
|
|
log.Info().Msg("Requesting quit")
|
|
systray.Quit()
|
|
}()
|
|
}
|
|
|
|
func main() {
|
|
// init and setup logging
|
|
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
|
|
wrapper = &restic.Wrapper{}
|
|
|
|
// bootstrap systray (this is a blocking call, second func is onExit)
|
|
systray.Run(onSystrayReady, func() {})
|
|
}
|
|
|
|
func updateSnapshots(cnf *restic.Config, mnuLatest *systray.MenuItem, mnuNext *systray.MenuItem, mnuBackupNow *systray.MenuItem) {
|
|
err := wrapper.UpdateLatestSnapshots(cnf)
|
|
if err != nil {
|
|
handleError(err)
|
|
return
|
|
}
|
|
|
|
snapshot := wrapper.LastSnapshot()
|
|
msg := strconv.Itoa(len(wrapper.LatestSnapshots)) + " snapshots. Next in " + strconv.Itoa(cnf.BackupTimeInHours) + " hour(s)"
|
|
if isBackupNeeded(cnf) {
|
|
msg = "⚠️ Overdue - " + msg
|
|
}
|
|
|
|
mnuLatest.SetTitle("Latest: " + snapshot.Id + " @ " + snapshot.ShortTime())
|
|
mnuNext.SetTitle(msg)
|
|
mnuBackupNow.Enable()
|
|
mnuBackupNow.SetTitle("Backup now")
|
|
}
|
|
|
|
func isBackupNeeded(cnf *restic.Config) bool {
|
|
nextTime := wrapper.LastSnapshot().Time.Add(time.Duration(cnf.BackupTimeInHours) * time.Hour)
|
|
return time.Now().After(nextTime)
|
|
}
|
|
|
|
// See https://github.com/fyne-io/systray/tree/master/example for more examples
|
|
func onSystrayReady() {
|
|
systray.SetTemplateIcon(icon.Data, icon.Data)
|
|
systray.SetTooltip("Restictray")
|
|
|
|
cnf, err := restic.ReadConfig()
|
|
if err != nil {
|
|
handleError(err)
|
|
return
|
|
}
|
|
|
|
mnuLatestSnapshot := systray.AddMenuItem("Latest: (Fetching...)", "Latest Restic snapshot")
|
|
mnuNextSnapshot := systray.AddMenuItem("Next @ (Unknown)", "Future Restic snapshot")
|
|
systray.AddSeparator()
|
|
mnuBackupNow := systray.AddMenuItem("Backup now", "Backup now")
|
|
mnuBackupNow.Disable()
|
|
mnuBrowse := systray.AddMenuItem("Browse backups in Finder...", "Mount and browse backups")
|
|
addMenuQuit()
|
|
|
|
go updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
|
|
backupCheckTime := make(chan bool, 1)
|
|
backupCheckFn := func() {
|
|
time.Sleep(3 * time.Second)
|
|
backupCheckTime <- true
|
|
}
|
|
go backupCheckFn()
|
|
|
|
for {
|
|
select {
|
|
case <-backupCheckTime:
|
|
if !mnuBackupNow.Disabled() && isBackupNeeded(cnf) {
|
|
go onClickedMenuBackupNow(mnuBackupNow, cnf, func() {
|
|
updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
|
|
go backupCheckFn()
|
|
})
|
|
} else {
|
|
log.Debug().Msg("Backup not yet needed/in progress/impossible")
|
|
go backupCheckFn()
|
|
}
|
|
case <-mnuBackupNow.ClickedCh:
|
|
go onClickedMenuBackupNow(mnuBackupNow, cnf, func() {
|
|
updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
|
|
})
|
|
case <-mnuBrowse.ClickedCh:
|
|
// Restic allows backing up and consulting snapshots while mounted
|
|
go onClickedMenuBrowse(mnuBrowse, cnf)
|
|
}
|
|
}
|
|
}
|
|
|
|
func onClickedMenuBrowse(browse *systray.MenuItem, cnf *restic.Config) {
|
|
err := wrapper.MountBackups(cnf)
|
|
if err != nil {
|
|
handleError(err)
|
|
}
|
|
}
|
|
|
|
func onClickedMenuBackupNow(mnu *systray.MenuItem, cnf *restic.Config, onDone func()) {
|
|
log.Debug().Msg("Backup triggered")
|
|
mnu.SetTitle("🔄 Backup in progress...")
|
|
mnu.Disable()
|
|
err := wrapper.Backup(cnf)
|
|
|
|
if err != nil {
|
|
handleError(err)
|
|
}
|
|
onDone()
|
|
}
|