Introduce S3 Bucket List TUI

Author: CHIKAMATSU Naohiro

cmd/subcmd/s3hub/interactive.go

@@ -1,8 +1,8 @@
 package s3hub
 
-import "github.com/nao1215/rainbow/ui"
+import tui "github.com/nao1215/rainbow/ui/s3hub"
 
 // interactive starts s3hub command interactive UI.
 func interactive() error {
-	return ui.RunS3hubUI()
+	return tui.RunS3hubUI()
 }

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.48.0
 	github.com/charmbracelet/bubbles v0.17.1
 	github.com/charmbracelet/bubbletea v0.25.0
+	github.com/charmbracelet/lipgloss v0.9.1
 	github.com/charmbracelet/log v0.3.1
 	github.com/fatih/color v1.16.0
 	github.com/google/go-cmp v0.6.0
@@ -48,7 +49,6 @@ require (
 	github.com/aws/smithy-go v1.19.0 // indirect
 	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
 	github.com/caarlos0/env/v9 v9.0.0 // indirect
-	github.com/charmbracelet/lipgloss v0.9.1 // indirect
 	github.com/containerd/console v1.0.4-0.20230313162750-1ae8d489ac81 // indirect
 	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/google/subcommands v1.0.1 // indirect

ui/common.go

@@ -3,43 +3,45 @@ package ui
 import (
 	"fmt"
 
+	"github.com/fatih/color"
 	"github.com/muesli/termenv"
 )
 
 // General stuff for styling the view
 var (
-	term   = termenv.EnvColorProfile()
-	subtle = makeFgStyle("241")
-	red    = makeFgStyle("196")
-	green  = makeFgStyle("46")
-	yellow = makeFgStyle("226")
+	Term   = termenv.EnvColorProfile()
+	Subtle = MakeFgStyle("241")
+	Red    = MakeFgStyle("196")
+	Green  = MakeFgStyle("46")
+	Yellow = MakeFgStyle("226")
 )
 
 type (
-	errMsg error
+	// ErrMsg is an error message.
+	ErrMsg error
 )
 
-// makeFgStyle returns a function that will colorize the foreground of a given.
-func makeFgStyle(color string) func(string) string {
-	return termenv.Style{}.Foreground(term.Color(color)).Styled
+// MakeFgStyle returns a function that will colorize the foreground of a given.
+func MakeFgStyle(color string) func(string) string {
+	return termenv.Style{}.Foreground(Term.Color(color)).Styled
 }
 
-// Color a string's foreground with the given value.
-func colorFg(val, color string) string {
-	return termenv.String(val).Foreground(term.Color(color)).String()
+// ColorFg a string's foreground with the given value.
+func ColorFg(val, color string) string {
+	return termenv.String(val).Foreground(Term.Color(color)).String()
 }
 
-// checkbox represent [ ] and [x] items in the view.
-func checkbox(label string, checked bool) string {
+// Checkbox represent [ ] and [x] items in the view.
+func Checkbox(label string, checked bool) string {
 	if checked {
-		return colorFg("[x] "+label, "212")
+		return ColorFg("[x] "+label, "212")
 	}
 	return fmt.Sprintf("[ ] %s", label)
 }
 
-// split splits a string into multiple lines.
+// Split splits a string into multiple lines.
 // Each line has a maximum length of 80 characters.
-func split(s string) []string {
+func Split(s string) []string {
 	var result []string
 	for i := 0; i < len(s); i += 80 {
 		end := i + 80
@@ -50,3 +52,54 @@ func split(s string) []string {
 	}
 	return result
 }
+
+// GoodByeMessage returns a goodbye message.
+func GoodByeMessage() string {
+	s := fmt.Sprintf("\n  See you later 🌈\n  %s\n  %s\n\n",
+		"Following URL for bug reports and encouragement (e.g. GitHub Star ⭐️ )",
+		color.GreenString("https://github.com/nao1215/rainbow"))
+	return s
+}
+
+// ErrorMessage returns an error message.
+func ErrorMessage(err error) string {
+	message := fmt.Sprintf("%s\n", Red("[Error]"))
+	for _, line := range Split(err.Error()) {
+		message += fmt.Sprintf("  %s\n", Red(line))
+	}
+	return message
+}
+
+// Choice represents a choice.
+type Choice struct {
+	Choice int
+	Max    int
+	Min    int
+}
+
+// NewChoice returns a new choice.
+func NewChoice(min, max int) *Choice {
+	return &Choice{
+		Choice: min,
+		Max:    max,
+		Min:    min,
+	}
+}
+
+// Increment increments the choice.
+// If the choice is greater than the maximum, the choice is set to the minimum.
+func (c *Choice) Increment() {
+	c.Choice++
+	if c.Choice > c.Max {
+		c.Choice = c.Min
+	}
+}
+
+// Decrement decrements the choice.
+// If the choice is less than the minimum, the choice is set to the maximum.
+func (c *Choice) Decrement() {
+	c.Choice--
+	if c.Choice < c.Min {
+		c.Choice = c.Max
+	}
+}