initial commit

internal/app/app.go

@@ -0,0 +1,112 @@
+package app
+
+import (
+	"os"
+
+	"git.brettb.xyz/goinv/client/internal/api"
+	"git.brettb.xyz/goinv/client/internal/ui/assets"
+	"git.brettb.xyz/goinv/client/internal/ui/help"
+	"git.brettb.xyz/goinv/client/internal/ui/utils"
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+	"go.uber.org/zap"
+)
+
+type App struct {
+	*tview.Application
+	APIClient *api.APIClient
+	pages     *tview.Pages
+	logger    *zap.Logger
+
+	help   *help.Help
+	assets *assets.Assets
+	menu   *tview.TextView
+
+	currentPage string
+	needInitUI  bool
+}
+
+func NewApp(name, version, host string, logger *zap.Logger) *App {
+	sugar := logger.Sugar()
+	sugar.Debug("creating app")
+
+	app := App{
+		Application: tview.NewApplication(),
+		APIClient:   api.NewAPIClient(host),
+		pages:       tview.NewPages(),
+		logger:      logger,
+		needInitUI:  false,
+	}
+
+	app.assets = assets.NewAssets(logger, app.APIClient)
+
+	app.help = help.NewHelp(name, version)
+
+	menuItems := [][]string{
+		{utils.HelpScreenKey.Label(), app.help.GetTitle()},
+		{utils.AssetsScreenKey.Label(), app.assets.GetTitle()},
+	}
+
+	app.menu = makeMenu(menuItems)
+
+	app.pages.AddPage(app.help.GetTitle(), app.help, true, false)
+	app.pages.AddPage(app.assets.GetTitle(), app.assets, true, false)
+
+	return &app
+}
+
+func (app *App) Run() error {
+	app.logger.Info("starting app")
+
+	flex := tview.NewFlex().
+		SetDirection(tview.FlexRow).
+		AddItem(app.pages, 0, 1, false).
+		AddItem(app.menu, 1, 1, false)
+
+	app.initUI()
+
+	app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		if event.Key() == utils.AppExitKey.Key {
+			app.logger.Info("stopping app")
+			app.Stop()
+			os.Exit(0)
+		}
+
+		if !app.frontScreenHasActiveDialog() {
+			event = utils.ParseKeyEventKey(app.logger, event)
+
+			// Next & Previous Screen
+			switch event.Rune() {
+			case utils.NextScreenKey.Rune():
+				app.switchToNextScreen()
+				return nil
+			case utils.PreviousScreenKey.Rune():
+				app.switchToPreviousScreen()
+			}
+
+			// Normal page key switch
+			switch event.Key() {
+			case utils.HelpScreenKey.EventKey():
+				app.switchToScreen(app.help.GetTitle())
+				return nil
+			case utils.AssetsScreenKey.EventKey():
+				app.switchToScreen(app.assets.GetTitle())
+				return nil
+			}
+		}
+
+		return event
+	})
+
+	app.currentPage = app.assets.GetTitle()
+	app.pages.SwitchToPage(app.currentPage)
+
+	// start the refresh loop
+	go app.refresh()
+
+	if err := app.SetRoot(flex, true).SetFocus(app.assets).EnableMouse(false).Run(); err != nil {
+		return err
+	}
+
+	return nil
+}

internal/app/init.go

@@ -0,0 +1,8 @@
+package app
+
+func (app *App) initUI() {
+
+	// Assets page
+	app.assets.UpdateShelfData()
+	app.assets.UpdateAssetData()
+}

internal/app/menu.go

@@ -0,0 +1,44 @@
+package app
+
+import (
+	"fmt"
+	"strings"
+
+	"git.brettb.xyz/goinv/client/internal/ui/style"
+	"github.com/rivo/tview"
+)
+
+func makeMenu(menuItems [][]string) *tview.TextView {
+	menu := tview.NewTextView().
+		SetDynamicColors(true).
+		SetWrap(true).
+		SetTextAlign(tview.AlignCenter)
+
+	menu.SetBackgroundColor(style.BgColor)
+
+	var menuList []string
+
+	for i, v := range menuItems {
+		key, item := genMenuItem(v)
+
+		if i == len(menuItems)-1 {
+			item += " "
+		}
+
+		menuList = append(menuList, key+item)
+	}
+
+	fmt.Fprintf(menu, "%s", strings.Join(menuList, " "))
+
+	return menu
+}
+
+func genMenuItem(items []string) (string, string) {
+	key := fmt.Sprintf("[%s::b] <%s>[-:-:-]", style.GetColorHex(style.MenuBgColor), items[0])
+	desc := fmt.Sprintf("[%s:%s:b] %s [-:-:-]",
+		style.GetColorHex(style.MenuFgColor),
+		style.GetColorHex(style.MenuBgColor),
+		strings.ToUpper(items[1]))
+
+	return key, desc
+}

internal/app/refresh.go

@@ -0,0 +1,19 @@
+package app
+
+import (
+	"time"
+
+	"git.brettb.xyz/goinv/client/internal/ui/utils"
+)
+
+func (app *App) refresh() {
+	app.logger.Sugar().Debugf("starting app refresh loop (interval=%v)", utils.RefreshInterval)
+
+	tick := time.NewTicker(utils.RefreshInterval)
+
+	for {
+		<-tick.C
+
+		app.Application.Draw()
+	}
+}

internal/app/screens.go

@@ -0,0 +1,56 @@
+package app
+
+func (app *App) switchToScreen(name string) {
+	app.logger.Sugar().Debugf("switching to %s screen", name)
+	app.pages.SwitchToPage(name)
+	app.setPageFocus(name)
+	app.updatePageData(name)
+
+	app.currentPage = name
+}
+
+func (app *App) frontScreenHasActiveDialog() bool {
+	switch app.currentPage {
+	case app.assets.GetTitle():
+		return app.assets.SubDialogHasFocus()
+	}
+	return false
+}
+
+func (app *App) switchToPreviousScreen() {
+	var previousScreen string
+	switch app.currentPage {
+	case app.help.GetTitle():
+		previousScreen = app.assets.GetTitle()
+	case app.assets.GetTitle():
+		previousScreen = app.help.GetTitle()
+	}
+	app.switchToScreen(previousScreen)
+}
+
+func (app *App) switchToNextScreen() {
+	var nextScreen string
+	switch app.currentPage {
+	case app.help.GetTitle():
+		nextScreen = app.assets.GetTitle()
+	case app.assets.GetTitle():
+		nextScreen = app.help.GetTitle()
+	}
+	app.switchToScreen(nextScreen)
+}
+
+func (app *App) setPageFocus(page string) {
+	switch page {
+	case app.help.GetTitle():
+		app.Application.SetFocus(app.help)
+	case app.assets.GetTitle():
+		app.Application.SetFocus(app.assets)
+	}
+}
+
+func (app *App) updatePageData(page string) {
+	switch page {
+	case app.assets.GetTitle():
+		app.assets.UpdateData()
+	}
+}