delete by post

app/delete.go

@@ -0,0 +1,147 @@
+package app
+
+import (
+	"fmt"
+	"os"
+	"os/user"
+	"path"
+	"strconv"
+
+	"git.sr.ht/~rockorager/vaxis"
+	"git.tilde.town/nbsp/neofeels/ttbp"
+	"git.tilde.town/nbsp/neofeels/ui"
+)
+
+type Delete struct {
+	title string
+	list  ui.List
+	help  string
+	posts []ttbp.Post
+}
+
+func NewDelete() *Delete {
+	user, _ := user.Current()
+	posts := ttbp.GetPostsForUser(user.Username)
+	list := []string{}
+	for _, post := range posts {
+		list = append(list, fmt.Sprintf(
+			"%s (%d words)",
+			post.Date.Format("2006-01-02"),
+			post.Words,
+		))
+	}
+
+	return &Delete{
+		title,
+		ui.NewList(list),
+		"↑↓/kj move  ↵ enter  q return",
+		posts,
+	}
+}
+
+func (delete *Delete) Event(state *ui.State, event vaxis.Event) (processed bool) {
+	if key, ok := event.(vaxis.Key); ok && key.EventType == vaxis.EventPress {
+		switch key.String() {
+		case "Ctrl+c", "Ctrl+d":
+			close(ui.Quit)
+		case "Down", "j", "Ctrl+n":
+			delete.list.Down()
+		case "Up", "k", "Ctrl+p":
+			delete.list.Up()
+		case "End", "Shift+g":
+			delete.list.End()
+		case "Home", "g":
+			delete.list.Home()
+		case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
+			i, _ := strconv.Atoi(key.String())
+			delete.list.SetIndex(i)
+		case "q", "h", "Left":
+			ui.ViewChange <- NewManagement()
+		case "Enter", "l", "Right":
+			if len(delete.list.Items()) > 0 {
+				delete.Confirmation(state, func() {
+					os.Remove(path.Join(ttbp.PathUserEntries, delete.posts[delete.list.Index()].Date.Format("20060102.txt")))
+				}, "feels deleted")
+			}
+		}
+		processed = true
+	}
+	delete.Draw(state)
+	return
+}
+
+func (delete *Delete) Draw(state *ui.State) {
+	win := state.Window()
+	win.New(win.Width/2-10, win.Height/2-8, 20, 5).Print(vaxis.Segment{Text: delete.title})
+	delete.list.Draw(vaxis.Window{
+		Vx:     win.Vx,
+		Parent: nil,
+		Column: win.Width/2 - 14,
+		Row:    win.Height/2 - 2,
+		Width:  28,
+		Height: 10,
+	})
+	win.New(win.Width/2-15, win.Height/2+9, 30, 1).Print(vaxis.Segment{Text: delete.help})
+}
+
+func (delete *Delete) Confirmation(state *ui.State, action func(), message string) {
+	delete.Draw(state)
+	win := state.Window()
+	win.New(win.Width/2-14, win.Height/2-2+delete.list.Index(), 28, 1).Print(vaxis.Segment{
+		Text: "  are you sure?             ",
+		Style: vaxis.Style{
+			Foreground: vaxis.IndexColor(1),
+			Attribute:  vaxis.AttrReverse,
+		},
+	})
+	state.Render()
+loop:
+	for ev := range state.Events() {
+		switch ev.(type) {
+		case vaxis.Resize, vaxis.Redraw:
+			delete.Draw(state)
+			win.New(win.Width/2-14, win.Height/2-2+delete.list.Index(), 28, 1).Print(vaxis.Segment{
+				Text: "  are you sure?             ",
+				Style: vaxis.Style{
+					Foreground: vaxis.IndexColor(1),
+					Attribute:  vaxis.AttrReverse,
+				},
+			})
+			state.Render()
+		case vaxis.Key:
+			switch ev.(vaxis.Key).String() {
+			case "Enter", "l", "Right":
+				action()
+				delete.Draw(state)
+				win.New(win.Width/2-14, win.Height/2-2+delete.list.Index(), 28, 1).Print(vaxis.Segment{
+					Text: fmt.Sprintf("  %-26s", message),
+					Style: vaxis.Style{
+						Foreground: vaxis.IndexColor(1),
+						Attribute:  vaxis.AttrReverse,
+					},
+				})
+				state.Render()
+				for ev := range state.Events() {
+					switch ev.(type) {
+					case vaxis.Resize, vaxis.Redraw:
+						delete.Draw(state)
+						win.New(win.Width/2-14, win.Height/2-2+delete.list.Index(), 28, 1).Print(vaxis.Segment{
+							Text: fmt.Sprintf("  %26s", message),
+							Style: vaxis.Style{
+								Foreground: vaxis.IndexColor(1),
+								Attribute:  vaxis.AttrReverse,
+							},
+						})
+						state.Render()
+					case vaxis.Key:
+						if ev.(vaxis.Key).EventType == vaxis.EventPress {
+							ui.ViewChange <- NewDelete()
+							break loop
+						}
+					}
+				}
+			}
+			break loop
+		}
+	}
+}

app/management.go

@@ -26,7 +26,7 @@ func NewManagement() *Management {
 			"backup your feels",       // TODO
 			"import a feels backup",   // TODO
 			"bury some feels",         // TODO
-			"delete feels by day",     // TODO
+			"delete feels by day",
 			"purge all feels",
 			"wipe feels account",
 		}),
@@ -57,6 +57,8 @@ func (management *Management) Event(state *ui.State, event vaxis.Event) (process
 			case 0:
 				user, _ := user.Current()
 				ui.ViewChange <- NewUserPage(user.Username, true)
+			case 5:
+				ui.ViewChange <- NewDelete()
 			case 6:
 				management.Confirmation(state, purgeFeels, "feels purged")
 			case 7: