auto-backup, rework menu func structure
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parent
3a8e84414e
commit
941454d694
120
main.go
120
main.go
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@ -2,42 +2,18 @@ package main
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import (
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"brainbaking.com/restictray/restic"
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"fyne.io/systray"
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"fyne.io/systray/example/icon"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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"os"
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"strconv"
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"time"
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"fyne.io/systray"
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"fyne.io/systray/example/icon"
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)
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// I'm ignoring go threading issues here; assume no clicks happen at the same time.
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var wrapper *restic.Wrapper
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func main() {
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// init and setup logging
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log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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wrapper = &restic.Wrapper{}
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// bootstrap systray (this is a blocking call, second func is onExit)
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systray.Run(onSystrayReady, func() {})
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}
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func addMenuLatestSnapshot() {
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snapshot := wrapper.LastSnapshot()
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systray.AddMenuItem("Latest: "+snapshot.Id+" @ "+snapshot.ShortTime(), "Latest Restic snapshot")
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}
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func addMenuNextTime(cnf *restic.Config) {
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nextTime := wrapper.LastSnapshot().Time.Add(time.Duration(cnf.BackupTimeInHours) * time.Hour)
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msg := "Next @ " + nextTime.Format(restic.ShortTimeFormat)
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if time.Now().After(nextTime) {
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msg = "⚠️ Overdue - " + msg
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}
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systray.AddMenuItem(msg, "Future Restic snapshot")
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}
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func addMenuQuit() {
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systray.AddSeparator()
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addMenuWithQuitAction("Quit", "Quit Restictray")
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@ -63,11 +39,43 @@ func addMenuWithQuitAction(title string, tooltip string) {
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}()
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}
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func main() {
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// init and setup logging
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log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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wrapper = &restic.Wrapper{}
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// bootstrap systray (this is a blocking call, second func is onExit)
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systray.Run(onSystrayReady, func() {})
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}
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func updateSnapshots(cnf *restic.Config, mnuLatest *systray.MenuItem, mnuNext *systray.MenuItem, mnuBackupNow *systray.MenuItem) {
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err := wrapper.UpdateLatestSnapshots(cnf)
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if err != nil {
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handleError(err)
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return
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}
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snapshot := wrapper.LastSnapshot()
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msg := strconv.Itoa(len(wrapper.LatestSnapshots)) + " snapshots. Next in " + strconv.Itoa(cnf.BackupTimeInHours) + " hour(s)"
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if isBackupNeeded(cnf) {
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msg = "⚠️ Overdue - " + msg
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}
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mnuLatest.SetTitle("Latest: " + snapshot.Id + " @ " + snapshot.ShortTime())
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mnuNext.SetTitle(msg)
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mnuBackupNow.Enable()
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mnuBackupNow.SetTitle("Backup now")
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}
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func isBackupNeeded(cnf *restic.Config) bool {
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nextTime := wrapper.LastSnapshot().Time.Add(time.Duration(cnf.BackupTimeInHours) * time.Hour)
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return time.Now().After(nextTime)
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}
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// See https://github.com/fyne-io/systray/tree/master/example for more examples
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func onSystrayReady() {
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systray.SetTemplateIcon(icon.Data, icon.Data)
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systray.SetTooltip("Restictray")
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systray.AddMenuItem("... Initializing", "Initializing, please wait.")
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addMenuQuit()
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cnf, err := restic.ReadConfig()
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if err != nil {
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@ -75,33 +83,41 @@ func onSystrayReady() {
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return
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}
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go func() {
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err := wrapper.UpdateLatestSnapshots(cnf)
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if err != nil {
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handleError(err)
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return
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}
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resetAndBuildMainMenu(cnf)
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}()
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}
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// See https://github.com/fyne-io/systray/tree/master/example for more examples
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func resetAndBuildMainMenu(cnf *restic.Config) {
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systray.ResetMenu()
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addMenuLatestSnapshot()
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addMenuNextTime(cnf)
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mnuLatestSnapshot := systray.AddMenuItem("Latest: (Fetching...)", "Latest Restic snapshot")
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mnuNextSnapshot := systray.AddMenuItem("Next @ (Unknown)", "Future Restic snapshot")
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systray.AddSeparator()
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mnuBackupNow := systray.AddMenuItem("Backup now", "Backup now")
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mnuBackupNow.Disable()
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mnuBrowse := systray.AddMenuItem("Browse backups in Finder...", "Mount and browse backups")
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addMenuQuit()
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go updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
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backupCheckTime := make(chan bool, 1)
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backupCheckFn := func() {
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time.Sleep(3 * time.Second)
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backupCheckTime <- true
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}
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go backupCheckFn()
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for {
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select {
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case <-backupCheckTime:
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if !mnuBackupNow.Disabled() && isBackupNeeded(cnf) {
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go onClickedMenuBackupNow(mnuBackupNow, cnf, func() {
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updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
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go backupCheckFn()
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})
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} else {
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log.Debug().Msg("Backup not yet needed/in progress/impossible")
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go backupCheckFn()
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}
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case <-mnuBackupNow.ClickedCh:
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onClickedMenuBackupNow(mnuBackupNow, cnf)
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go onClickedMenuBackupNow(mnuBackupNow, cnf, func() {
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updateSnapshots(cnf, mnuLatestSnapshot, mnuNextSnapshot, mnuBackupNow)
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})
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case <-mnuBrowse.ClickedCh:
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onClickedMenuBrowse(mnuBrowse, cnf)
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// Restic allows backing up and consulting snapshots while mounted
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go onClickedMenuBrowse(mnuBrowse, cnf)
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}
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}
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}
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@ -113,18 +129,14 @@ func onClickedMenuBrowse(browse *systray.MenuItem, cnf *restic.Config) {
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}
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}
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func onClickedMenuBackupNow(mnu *systray.MenuItem, cnf *restic.Config) {
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func onClickedMenuBackupNow(mnu *systray.MenuItem, cnf *restic.Config, onDone func()) {
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log.Debug().Msg("Backup triggered")
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mnu.SetTitle("🔄 Backup in progress...")
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mnu.Disable()
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// TODO after a backup, reinitialize latest snapshot + latest/next menus
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// TODO not by calling resetAndBuild again: this is from the for{}?
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// TODO how does this interop with a future goroutine that auto-backups?
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// TODO need for separate "backupInProgress" bool?
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err := wrapper.Backup(cnf)
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mnu.SetTitle("Backup now")
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mnu.Enable()
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if err != nil {
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handleError(err)
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}
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onDone()
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}
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