change appname constant to variable

.env

@@ -1,5 +1,5 @@
 #empty|development|debug
-ENV=            
+ENV=
 PHOTO_DIR=images
 HOST=0.0.0.0
 PORT=8080

.gitea/workflows/build.yml

@@ -92,7 +92,7 @@ jobs:
           ARCH=${{ matrix.arch }}
           if [ "$ARCH" == "arm" ]; then ARCH="armhf"; fi
           
-          PKG_NAME="slideshowapp"
+          PKG_NAME="${APP_NAME}"
           BUILD_DIR="${PKG_NAME}_${VERSION}_${ARCH}"
           
           # 2. Create Directory Structure
@@ -120,7 +120,7 @@ jobs:
           [Desktop Entry]
           Type=Application
           Name=Slideshow App
-          Exec=sh -c 'i=0; while [ $i -lt 30 ]; do if [ "$(ls -A /media/$USER 2>/dev/null)" ] && ping -c 1 -W 1 8.8.8.8 >/dev/null 2>&1; then break; fi; i=$((i+1)); sleep 1; done; cd /usr/share/slideshowapp && /usr/bin/slideshowapp'
+          Exec=sh -c 'i=0; while [ $i -lt 30 ]; do if [ "$(ls -A /media/$USER 2>/dev/null)" ] && ping -c 1 -W 1 8.8.8.8 >/dev/null 2>&1; then break; fi; i=$((i+1)); sleep 1; done; cd /usr/share/$PKG_NAME && /usr/bin/$PKG_NAME'
           Terminal=false
           EOF
           
@@ -151,17 +151,17 @@ jobs:
 
           USER_HOME=$(getent passwd "$REAL_USER" | cut -d: -f6)
 
-          echo "Setting permissions for /usr/share/slideshowapp..."
-          chown -R "$REAL_USER:$REAL_USER" /usr/share/slideshowapp
-          chmod -R 755 /usr/share/slideshowapp
+          echo "Setting permissions for /usr/share/$PKG_NAME..."
+          chown -R "$REAL_USER:$REAL_USER" /usr/share/$PKG_NAME
+          chmod -R 755 /usr/share/$PKG_NAME
 
           echo "Post-install: Target user is $REAL_USER"
           echo "Post-install: Target home is $USER_HOME"
 
           # 2. Setup .env from template
-          if [ ! -f "/usr/share/slideshowapp/.env" ]; then
+          if [ ! -f "/usr/share/$PKG_NAME/.env" ]; then
               echo "Creating .env from template..."
-              cp /usr/share/slideshowapp/env.template /usr/share/slideshowapp/.env || true
+              cp /usr/share/$PKG_NAME/env.template /usr/share/$PKG_NAME/.env || true
           fi
 
           # 3. Setup Autostart
@@ -171,11 +171,11 @@ jobs:
           if [ -d "$USER_HOME" ]; then
               echo "Creating autostart directory at $AUTOSTART_DIR"
               mkdir -p "$AUTOSTART_DIR"
-              cp /usr/share/slideshowapp/setup/slideshowapp.desktop "$AUTOSTART_DIR/"
+              cp /usr/share/$PKG_NAME/setup/$PKG_NAME.desktop "$AUTOSTART_DIR/"
               
               # Critical: Change ownership of the folder and the file
               chown -R "$REAL_USER:$REAL_USER" "$USER_HOME/.config"
-              chmod 644 "$AUTOSTART_DIR/slideshowapp.desktop"
+              chmod 644 "$AUTOSTART_DIR/$PKG_NAME.desktop"
           else
               echo "ERROR: Home directory $USER_HOME not found. Autostart not configured."
           fi

.gitignore

@@ -1,4 +1,5 @@
 images/
 slideshowApp
 schedule.json
-*.log
+*.log
+*.exe

env/enviroment.go

@@ -26,7 +26,13 @@ func Load(path string) error {
 }
 
 func (key EnvKey) GetValue() string {
-	return os.Getenv(string(key))
+	keyStr := string(key)
+	value := os.Getenv(keyStr)
+	if key == Port && value == "" {
+		value = "8080"
+	}
+
+	return value
 }
 
 func (key EnvKey) SetValue(value string) {

handlers/infos.go

@@ -20,34 +20,39 @@ func GetLocalIP() string {
 }
 
 func getActiveIP() string {
-	conn, err := net.Dial("udp", "8.8.8.8:80")
+	addrs, err := net.InterfaceAddrs()
 	if err != nil {
 		return ""
 	}
-	defer conn.Close()
 
-	addr := conn.LocalAddr()
-	if udpAddr, ok := addr.(*net.UDPAddr); ok {
-		return udpAddr.IP.String()
+	for _, address := range addrs {
+		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+
+			if ipnet.IP.To4() != nil {
+				ipStr := ipnet.IP.String()
+
+				if ipnet.IP.IsLinkLocalUnicast() {
+					continue
+				}
+
+				return ipStr
+			}
+		}
 	}
 	return ""
 }
 
 func InfoHandler(w http.ResponseWriter, r *http.Request) {
-	port := env.Port.GetValue()
-	if port == "" {
-		port = "8080"
-	}
-
-	speed := env.IntervalDefault.GetValue()
-	if speed == "" {
-		speed = "10"
-	}
+	w.Header().Set("Content-Type", "application/json")
 
 	data := map[string]string{
 		"ip":    GetLocalIP(),
-		"port":  port,
+		"port":  env.Port.GetValue(),
 		"speed": GetInterval(),
 	}
-	json.NewEncoder(w).Encode(data)
+	err := json.NewEncoder(w).Encode(data)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
 }