1 files changed, 49 insertions, 0 deletions

diff --git a/assets/js/app.js b/assets/js/app.js
new file mode 100644
index 0000000..79ccf06
--- /dev/null
+++ b/assets/js/app.js
@@ -0,0 +1,49 @@
+if ("serviceWorker" in navigator) {
+    navigator.serviceWorker.register("/sw.js")
+        .then(() => { })
+        .catch((err) => console.log("Service worker registration failed", err));
+}
+
+// Listen to messages from service workers.
+if (navigator.serviceWorker) {
+    navigator.serviceWorker.addEventListener('message', (event) => {
+        if (event.data.msg === "install") {
+            window.location.replace("/index.html");
+        }
+    });
+}
+
+/**
+ * Displays a user-friendly text to the user and
+ * detailed text to developer (console)
+ * @param {string} usermsg User-friendly message
+ * @param {string} devmsg Developer-friendly message
+ */
+async function UIAlert(usermsg, devmsg) {
+    if (true) { // če bo kakšen dev switch?
+        M.toast( { html: usermsg } );
+        console.log(`[BežiApp UIAlert] ${usermsg} ${devmsg}`);
+    } else {
+        M.toast( { html: `${usermsg} ${devmsg}` } );
+    }
+}
+
+/**
+ * Handles GSEC error - notifies the user and prints a console message
+ * @param {Object} err GSEC error object
+ */
+function gsecErrorHandlerUI(err) {
+    console.log(`gsecErrorHanderUI: handling ${err}`);
+    if(err == GSEC_ERR_NET || err == GSEC_ERR_NET_POSTBACK_GET ||
+        err == GSEC_ERR_NET_POSTBACK_POST) {
+
+        UIAlert( D("gsecErrNet") );
+    } else if(err == GSEC_ERR_LOGIN) {
+        UIAlert( D("gsecErrLogin") );
+        localforage.setItem("logged_in", false).then( () => {
+        window.location.replace("/index.html");
+        });
+    } else {
+        UIAlert( D("gsecErrOther") );
+    }
+}