Log widget events to indexeddb

widgets/log-events.js

@@ -0,0 +1,41 @@
+
+const dbName = "event_logs";
+const objectStoreName = "events";
+
+const logWidgetEvent = async (eventName, time) => {
+  const widgetEventInfo = {
+    type: eventName,
+    time: time,
+  };
+
+  const request = indexedDB.open(dbName);
+
+  request.onerror = (event) => {
+    console.log(`Failed to open db with: ${event.errorCode}`)
+  };
+
+  request.onsuccess = (event) => {
+    let db = event.target.result;
+    const transaction =
+        db.transaction(objectStoreName, "readwrite", { durability: "strict"});
+
+    transaction.oncomplete = (event) => {
+      console.log("widget event logged to IndexedDB");
+    }
+
+    transaction.onerror = (event) => {
+      console.log(event.errorCode);
+    }
+
+    const objectStore = transaction.objectStore(objectStoreName);
+    const request = objectStore.add(widgetEventInfo);
+  };
+
+  request.onupgradeneeded = (event) => {
+    const db = event.target.result;
+    const objectStore = db.createObjectStore("events", { autoIncrement: true });
+
+    objectStore.createIndex("type", "type", { unique: false });
+    objectStore.createIndex("time", "time", { unique: false });
+  }
+}

widgets/sw.js

@@ -1,4 +1,5 @@
 importScripts('counter.js');
+importScripts('log-events.js');
 
 const kIncrementActionVerb = 'inc';
 const kOpenAppActionVerb = 'openApp';
@@ -85,6 +86,7 @@ const incrementWidgetclick = async () => {
 };
 
 self.addEventListener('widgetclick', (event) => {
+  logWidgetEvent('widgetclick', Date.now());
   if (event.action === kIncrementActionVerb) {
     event.waitUntil(updateDefaultWidget());
   } else if (event.action === kOpenAppActionVerb) {
@@ -101,6 +103,7 @@ self.addEventListener('widgetclick', (event) => {
 });
 
 self.addEventListener('widgetinstall', (event) => {
+  logWidgetEvent('widgetinstall', Date.now());
   if (event.tag == "tic-tac-toe") {
     event.waitUntil(updateTicTacToeWidget(event));
     return;
@@ -111,6 +114,7 @@ self.addEventListener('widgetinstall', (event) => {
 });
 
 self.addEventListener('widgetuninstall', (event) => {
+  logWidgetEvent('widgetuninstall', Date.now());
   if (event.tag == "tic-tac-toe") {
     event.waitUntil(updateTicTacToeWidget(event));
     return;
@@ -120,6 +124,7 @@ self.addEventListener('widgetuninstall', (event) => {
 });
 
 self.addEventListener('widgetresume', (event) => {
+  logWidgetEvent('widgetresume', Date.now());
   if (event.tag == "tic-tac-toe") {
     event.waitUntil(updateTicTacToeWidget(event));
     return;