feat: filepick file and return file

filepick.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/godbus/dbus/v5"
+)
+
+func SelectFile() string {
+	conn, err := dbus.ConnectSessionBus()
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "Failed to connect to session bus:", err)
+		os.Exit(1)
+	}
+	defer conn.Close()
+
+	token := "revelation"
+	options := map[string]dbus.Variant{
+		"handle_token": dbus.MakeVariant(token),
+		"title":        dbus.MakeVariant("Choose file"),
+	}
+
+	obj := conn.Object("org.freedesktop.portal.Desktop", "/org/freedesktop/portal/desktop")
+	call := obj.Call("org.freedesktop.portal.FileChooser.OpenFile", 0, "revelation", "", options)
+	if call.Err != nil {
+		log.Fatalf("Failed to trigger file picker: %v", call.Err)
+	}
+
+	replyPath := call.Body[0].(dbus.ObjectPath)
+
+	err = conn.AddMatchSignal(
+		dbus.WithMatchOption("interface", "org.freedesktop.portal.Request"),
+		dbus.WithMatchOption("member", "Response"),
+		dbus.WithMatchOption("path", string(replyPath)),
+	)
+	if err != nil {
+		log.Fatalf("Failed to add match signal: %v", err)
+	}
+
+	c := make(chan *dbus.Signal, 1)
+	conn.Signal(c)
+
+	for signal := range c {
+		if signal.Path == replyPath && signal.Name == "org.freedesktop.portal.Request.Response" {
+			reply := signal.Body
+			if len(reply) > 1 {
+				results, ok := reply[1].(map[string]dbus.Variant)
+				if ok {
+					if urisVariant, exists := results["uris"]; exists {
+						uris, ok := urisVariant.Value().([]string)
+						if ok && len(uris) > 0 {
+							return uris[0]
+						} else {
+							return ""
+						}
+					}
+				}
+			}
+			break
+		}
+	}
+	return ""
+}

go.mod

@@ -1,3 +1,5 @@
 module github.com/jabuxas/revelation
 
 go 1.23.4
+
+require github.com/godbus/dbus/v5 v5.1.0 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
+github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=

revelation.go

@@ -5,5 +5,5 @@ import (
 )
 
 func main() {
-	fmt.Println("Hello world")
+	fmt.Println(SelectFile())
 }