Initial commit

backup/fina-2/app/static/js/pwa.js

@@ -0,0 +1,54 @@
+// PWA Service Worker Registration
+
+if ('serviceWorker' in navigator) {
+    window.addEventListener('load', () => {
+        navigator.serviceWorker.register('/static/sw.js')
+            .then(registration => {
+                console.log('ServiceWorker registered:', registration);
+            })
+            .catch(error => {
+                console.log('ServiceWorker registration failed:', error);
+            });
+    });
+}
+
+// Install prompt
+let deferredPrompt;
+
+window.addEventListener('beforeinstallprompt', (e) => {
+    e.preventDefault();
+    deferredPrompt = e;
+    
+    // Show install button if you have one
+    const installBtn = document.getElementById('install-btn');
+    if (installBtn) {
+        installBtn.style.display = 'block';
+        
+        installBtn.addEventListener('click', () => {
+            installBtn.style.display = 'none';
+            deferredPrompt.prompt();
+            
+            deferredPrompt.userChoice.then((choiceResult) => {
+                if (choiceResult.outcome === 'accepted') {
+                    console.log('User accepted the install prompt');
+                }
+                deferredPrompt = null;
+            });
+        });
+    }
+});
+
+// Check if app is installed
+window.addEventListener('appinstalled', () => {
+    console.log('FINA has been installed');
+    showToast('FINA installed successfully!', 'success');
+});
+
+// Online/Offline status
+window.addEventListener('online', () => {
+    showToast('You are back online', 'success');
+});
+
+window.addEventListener('offline', () => {
+    showToast('You are offline. Some features may be limited.', 'warning');
+});