feat: add group filter

gpm/cli.go

@@ -109,7 +109,33 @@ func (c *Cli) UnlockWallet(wallet string) error {
 }
 
 func (c *Cli) GroupsBox() string {
-	return ""
+	l := widgets.NewList()
+	l.Title = "Groups"
+	l.TextStyle = ui.NewStyle(ui.ColorYellow)
+	l.SelectedRowStyle = ui.NewStyle(ui.ColorGreen, ui.ColorClear, ui.ModifierBold)
+	l.WrapText = false
+	l.SetRect(0, 0, 25, 23)
+	l.Rows = c.Wallet.Groups()
+
+	uiEvents := ui.PollEvents()
+	for {
+		ui.Render(l)
+		e := <-uiEvents
+		switch e.ID {
+		case "q", "<C-c>", "<Escape>":
+			return ""
+		case "<Enter>":
+			return l.Rows[l.SelectedRow]
+		case "j", "<Down>":
+			if len(l.Rows) > 0 {
+				l.ScrollDown()
+			}
+		case "k", "<Up>":
+			if len(l.Rows) > 0 {
+				l.ScrollUp()
+			}
+		}
+	}
 }
 
 func (c *Cli) ListEntries() {

gpm/wallet.go

@@ -103,6 +103,28 @@ func (w *Wallet) Save() error {
 	return nil
 }
 
+// Groups return array with the groups name
+func (w *Wallet) Groups() []string {
+	var groups []string
+	var exist bool
+
+	for _, entry := range w.Entries {
+		exist = false
+		for _, group := range groups {
+			if group == entry.Group {
+				exist = true
+				break
+			}
+		}
+
+		if exist == false {
+			groups = append(groups, entry.Group)
+		}
+	}
+
+	return groups
+}
+
 // SearchEntry return an array with the array expected with the pattern
 func (w *Wallet) SearchEntry(pattern string, group string) []Entry {
 	var entries []Entry

gpm/wallet_test.go

@@ -233,3 +233,14 @@ func TestLoadWalletWithBadPassword(t *testing.T) {
 		t.Errorf("must have 0 entries: %d", entries)
 	}
 }
+
+func TestGetGroup(t *testing.T) {
+	wallet := generateWalletWithEntries()
+	groups := wallet.Groups()
+	if len(groups) != 1 {
+		t.Errorf("there must have 1 group: %d", len(groups))
+	}
+	if groups[0] != "Good Group" {
+		t.Errorf("the group name isn't 'Good Group': %s", groups[0])
+	}
+}