create backup

app/management.go

@@ -3,8 +3,11 @@ package app
 import (
 	"fmt"
 	"os"
+	"os/exec"
 	"os/user"
+	"path"
 	"strconv"
+	"time"
 
 	"git.sr.ht/~rockorager/vaxis"
 	"git.tilde.town/nbsp/neofeels/ttbp"
@@ -57,6 +60,10 @@ func (management *Management) Event(state *ui.State, event vaxis.Event) (process
 			case 0:
 				user, _ := user.Current()
 				ui.ViewChange <- NewUserPage(user.Username, true)
+			// case 1:
+			case 2:
+				management.SaveBackup(state)
+			// case 3:
 			case 4:
 				ui.ViewChange <- NewBury()
 			case 5:
@@ -100,6 +107,44 @@ func wipeAccount() {
 	close(ui.Quit)
 }
 
+func (management *Management) SaveBackup(state *ui.State) {
+	os.MkdirAll(ttbp.PathUserBackups, 0700)
+	filename := time.Now().Format("feels-backup-20060102-150405.tar.gz")
+
+	exec.Command("tar", "-C", ttbp.PathUserFeels, "-czf", filename, "entries").Run()
+	exec.Command("tar", "-C", ttbp.PathUserFeels, "-czf", path.Join(ttbp.PathUserBackups, filename), "entries").Run()
+
+	management.Draw(state)
+	win := state.Window()
+	win.New(win.Width/2-14, win.Height/2-2+management.list.Index(), 28, 1).Print(vaxis.Segment{
+		Text: "  backup saved              ",
+		Style: vaxis.Style{
+			Foreground: vaxis.IndexColor(2),
+			Attribute:  vaxis.AttrReverse,
+		},
+	})
+	state.Render()
+loop:
+	for ev := range state.Events() {
+		switch ev.(type) {
+		case vaxis.Resize, vaxis.Redraw:
+			management.Draw(state)
+			win.New(win.Width/2-14, win.Height/2-2+management.list.Index(), 28, 1).Print(vaxis.Segment{
+				Text: "  backup saved              ",
+				Style: vaxis.Style{
+					Foreground: vaxis.IndexColor(2),
+					Attribute:  vaxis.AttrReverse,
+				},
+			})
+			state.Render()
+		case vaxis.Key:
+			if ev.(vaxis.Key).EventType == vaxis.EventPress {
+				break loop
+			}
+		}
+	}
+}
+
 // TODO: abstract this to our own List type
 // TODO: figure out a less janky way instead of nesting event channels
 func (management *Management) Confirmation(state *ui.State, action func(), message string) {

ttbp/ttbp.go

@@ -30,6 +30,7 @@ var (
 	PathUserConfig  = path.Join(PathUserFeels, "config")
 	PathUserEntries = path.Join(PathUserFeels, "entries")
 	PathUserBuried  = path.Join(PathUserFeels, "buried")
+	PathUserBackups = path.Join(PathUserFeels, "backups")
 	PathUserWWW     = path.Join(PathUserFeels, "www")
 	PathUserRc      = path.Join(PathUserConfig, "ttbprc")
 	PathUserNopub   = path.Join(PathUserConfig, "nopub")