Set URL after loading database

desktop/app/ServiceExample.go

@@ -1,3 +0,0 @@
-package app
-
-// TODO: Add your code here

desktop/main.go

@@ -2,9 +2,13 @@ package main
 
 import (
 	"embed"
+	"fmt"
 	"log"
+	"log/slog"
 	"net/http"
+	"net/url"
 
+	"git.codemonkeysoftware.net/b/peachy-go"
 	"git.codemonkeysoftware.net/b/peachy-go/desktop/routes"
 	"github.com/wailsapp/wails/v3/pkg/application"
 )
@@ -12,9 +16,64 @@ import (
 //go:embed all:static
 var assets embed.FS
 
-func main() {
+const ListenPort = "9245"
+const WindowNameMain = "mainwindow"
 
-	r := routes.NewChiRouter()
+var globalDB *peachy.DB
+
+func closeDB() {
+	if globalDB != nil {
+		globalDB.Close()
+	}
+}
+
+// SetURl is a workaround for WebviewWindow.SetURL not adding the base URL
+// to relative URLs.
+// TODO Report this or something.
+func SetURL(win application.Window, path string) application.Window {
+	slog.Info("setting URL the hard way")
+	u, _ := url.JoinPath("http://wails.localhost:"+ListenPort+"/", path)
+	return win.SetURL(u)
+}
+
+func setDB(db *peachy.DB) error {
+	slog.Info("opened DB, setting URL")
+	globalDB = db
+	SetURL(application.Get().GetWindowByName(WindowNameMain), "/").SetTitle("you opened a DB")
+	return nil
+}
+
+func createDB(filename string) error {
+	db, err := peachy.Create(filename)
+	if err != nil {
+		return fmt.Errorf("Failed to create database: %w", err)
+	}
+	return setDB(db)
+}
+
+func openDB(filename string) error {
+	db, err := peachy.Open(filename)
+	if err != nil {
+		return fmt.Errorf("Failed to open database: %w", err)
+	}
+	return setDB(db)
+}
+
+func showError(err error) {
+	if err != nil {
+		application.ErrorDialog().SetMessage(err.Error()).Show()
+	}
+}
+
+func dbFileFilter() []application.FileFilter {
+	return []application.FileFilter{
+		{DisplayName: "Peachy database", Pattern: "*.pit"},
+		{DisplayName: "All Files", Pattern: "*.*"},
+	}
+}
+
+func main() {
+	r := routes.NewChiRouter(ListenPort)
 
 	// Create the application
 	app := application.New(application.Options{
@@ -31,14 +90,18 @@ func main() {
 			ApplicationShouldTerminateAfterLastWindowClosed: true,
 		},
 	})
+	app.OnShutdown(func() {
+		closeDB()
+	})
 
 	// V3 introduces multiple windows, so we need to create a window
 	app.NewWebviewWindowWithOptions(application.WebviewWindowOptions{
+		Name:  WindowNameMain,
 		Title: "Your Project",
 		Mac: application.MacWindow{
 			Backdrop: application.MacBackdropTranslucent,
 		},
-		URL:      "/",  // URL to load when the window is created
+		URL:      "/splash", // URL to load when the window is created
 		Width:    1080,      // Width of the window
 		Height:   720,       // Height of the window
 		Centered: false,
@@ -52,31 +115,24 @@ func main() {
 	menu.FindByRole(application.NewFile).OnClick(func(ctx *application.Context) {
 		d := application.SaveFileDialog()
 		d.SetOptions(&application.SaveFileDialogOptions{
-			Filters: []application.FileFilter{
-				{DisplayName: "Peachy database", Pattern: "*.pit"},
-				{DisplayName: "All Files", Pattern: "*.*"},
-			},
+			Filters:             dbFileFilter(),
 			AllowOtherFileTypes: true,
 			Title:               "Create new database",
 		})
-		path, err := d.PromptForSingleSelection()
-		if err != nil {
-			application.InfoDialog().SetMessage("Error: " + err.Error()).Show()
-		}
+		path, _ := d.PromptForSingleSelection()
 		if path != "" {
-			application.InfoDialog().SetMessage(path).Show()
-		} else {
-			application.InfoDialog().SetMessage("No file selected").Show()
+			showError(createDB(path))
 		}
 	})
 	menu.FindByRole(application.Open).OnClick(func(ctx *application.Context) {
-		path, _ := application.OpenFileDialog().
-			CanChooseFiles(true).
-			PromptForSingleSelection()
+		d := application.OpenFileDialog()
+		d.SetOptions(&application.OpenFileDialogOptions{
+			Filters:        dbFileFilter(),
+			CanChooseFiles: true,
+		})
+		path, _ := d.PromptForSingleSelection()
 		if path != "" {
-			application.InfoDialog().SetMessage(path).Show()
-		} else {
-			application.InfoDialog().SetMessage("No file selected").Show()
+			showError(openDB(path))
 		}
 	})
 	app.SetMenu(menu)

desktop/pages/HomePage.go

@@ -29,6 +29,7 @@ func hxTarget(target string) h.Attrib {
 
 func HomePage() h.ParentElement {
 	return e.Div()(
+		e.H1()(h.Text("[untitled]")),
 		e.Button(
 			a.Type("button"),
 			hxGet("/hello"),
@@ -38,3 +39,7 @@ func HomePage() h.ParentElement {
 		e.Div(a.Id("hello"))(),
 	)
 }
+
+func Splash() h.Term {
+	return h.Terms{}
+}

desktop/routes/app.go

@@ -14,13 +14,11 @@ import (
 /*
 Create a new chi router, configure it and return it.
 */
-func NewChiRouter() *chi.Mux {
+func NewChiRouter(port string) *chi.Mux {
 
 	r := chi.NewRouter()
 
-	// Useful middleware, see : https://pkg.go.dev/github.com/go-chi/httplog/v2@v2.1.1#NewLogger
 	logger := httplog.NewLogger("app-logger", httplog.Options{
-		// All log
 		LogLevel: slog.LevelInfo,
 		Concise:  true,
 	})
@@ -40,29 +38,23 @@ func NewChiRouter() *chi.Mux {
 		})
 	*/
 
-	// Serve static files.
 	r.Handle("/static/*", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
 
-	// Home page
+	r.Get("/splash", func(w http.ResponseWriter, r *http.Request) {
+		slog.Info("we splashin")
+		HXRender(w, r, pages.Splash)
+	})
+
 	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
-		// Render home page
+		slog.Info("we homies")
 		HXRender(w, r, pages.HomePage)
-
-		// 200 OK status
-		w.WriteHeader(http.StatusOK)
 	})
 
-	// Hello page
 	r.Get("/hello", func(w http.ResponseWriter, r *http.Request) {
-		// Render hello
 		HXRender(w, r, components.HelloWorld)
-
-		// 200 OK status
-		w.WriteHeader(http.StatusOK)
 	})
 
-	// Listen to port 3000.
-	go http.ListenAndServe(":9245", r)
+	go http.ListenAndServe(":"+port, r)
 
 	return r
 }