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)

config/config.go

@@ -0,0 +1,9 @@
+package config
+
+type Config struct {
+	DBUser string
+	DBPass string
+	DBHost string
+	DBPort string
+	DBName string
+}

go.mod

@@ -3,6 +3,7 @@ module git.yetaga.in/alazyreader/library
 go 1.16
 
 require (
+	github.com/gdamore/tcell v1.4.0
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/kelseyhightower/envconfig v1.4.0
 )

go.sum

@@ -1,4 +1,16 @@
+github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
+github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
+github.com/gdamore/tcell v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU=
+github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0=
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/kelseyhightower/envconfig v1.4.0 h1:Im6hONhd3pLkfDFsbRgu68RDNkGF1r3dvMUtDTo2cv8=
 github.com/kelseyhightower/envconfig v1.4.0/go.mod h1:cccZRl6mQpaq41TPp5QxidR+Sa3axMbJDNb//FQX6Gg=
+github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
+github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
+github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=