initial CLI exploration

cmd/manage/main.go

@@ -1,4 +1,106 @@
 package main
 
+import (
+	"log"
+
+	"git.yetaga.in/alazyreader/library/config"
+	"github.com/gdamore/tcell"
+	"github.com/kelseyhightower/envconfig"
+)
+
 func main() {
+	var c config.Config
+	err := envconfig.Process("library", &c)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	screen, err := tcell.NewScreen()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	err = screen.Init()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	screen.Clear()
+	inc := 0
+	for {
+		e := screen.PollEvent()
+		screen.Clear()
+		w, h := screen.Size()
+		b := &box{h: h, w: w, x: 0, y: 0, title: "library", menuItems: []string{"(e)dit", "(q)uit"}}
+		switch v := e.(type) {
+		case *tcell.EventError:
+			screen.Beep()
+			b.draw(screen)
+			screen.SetContent(1, 1, 'E', nil, tcell.StyleDefault)
+		case *tcell.EventInterrupt:
+			b.draw(screen)
+			screen.Sync()
+		case *tcell.EventKey:
+			inc += 1
+			b.draw(screen)
+			screen.SetContent(1, 1, v.Rune(), nil, tcell.StyleDefault)
+			screen.SetContent(2, 2, rune(inc+48), nil, tcell.StyleDefault)
+			if v.Rune() == 'q' {
+				screen.Fini()
+				return
+			}
+			screen.Sync()
+		case *tcell.EventMouse:
+			continue
+		case *tcell.EventResize:
+			b.draw(screen)
+			screen.Sync()
+		case *tcell.EventTime:
+			continue
+		}
+	}
+}
+
+type box struct {
+	x, y      int
+	h, w      int
+	title     string
+	menuItems []string
+}
+
+func (b *box) draw(s tcell.Screen) {
+	for m := 1; m < b.w-1; m++ {
+		s.SetContent(m, b.y, tcell.RuneHLine, nil, tcell.StyleDefault)
+		s.SetContent(m, b.h-1, tcell.RuneHLine, nil, tcell.StyleDefault)
+	}
+	for m := 1; m < b.h-1; m++ {
+		s.SetContent(b.x, m, tcell.RuneVLine, nil, tcell.StyleDefault)
+		s.SetContent(b.w-1, m, tcell.RuneVLine, nil, tcell.StyleDefault)
+	}
+	s.SetContent(b.x, b.y, tcell.RuneULCorner, nil, tcell.StyleDefault)
+	s.SetContent(b.w-1, b.y, tcell.RuneURCorner, nil, tcell.StyleDefault)
+	s.SetContent(b.x, b.h-1, tcell.RuneLLCorner, nil, tcell.StyleDefault)
+	s.SetContent(b.w-1, b.h-1, tcell.RuneLRCorner, nil, tcell.StyleDefault)
+
+	if b.title != "" {
+		t := b.x + 2
+		s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
+		t++
+		for _, r := range b.title {
+			s.SetContent(t, b.y, r, nil, tcell.StyleDefault)
+			t++
+		}
+		s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
+	}
+	if len(b.menuItems) != 0 {
+		t := b.x + 2
+		s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
+		t++
+		for i := range b.menuItems {
+			for _, r := range b.menuItems[i] {
+				s.SetContent(t, b.h-1, r, nil, tcell.StyleDefault)
+				t++
+			}
+			s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
+			t++
+		}
+	}
 }

cmd/serve/main.go

@@ -8,19 +8,12 @@ import (
 	"net/http"
 
 	"git.yetaga.in/alazyreader/library/book"
+	"git.yetaga.in/alazyreader/library/config"
 	"git.yetaga.in/alazyreader/library/database"
 	"git.yetaga.in/alazyreader/library/frontend"
 	"github.com/kelseyhightower/envconfig"
 )
 
-type Config struct {
-	DBUser string
-	DBPass string
-	DBHost string
-	DBPort string
-	DBName string
-}
-
 type Library interface {
 	GetAllBooks(context.Context) ([]book.Book, error)
 }
@@ -63,7 +56,7 @@ func StaticHandler(f fs.FS) http.Handler {
 }
 
 func main() {
-	var c Config
+	var c config.Config
 	err := envconfig.Process("library", &c)
 	if err != nil {
 		log.Fatalln(err)