GCF Analytics (GoogleCloudPlatform#759)

* Add analytics sample * Add test * Remove callback + add Node 10 sample

Author: Ace Nassri

functions/firebase/index.js

@@ -95,3 +95,23 @@ exports.makeUpperCase = (event) => {
  });
 };
 // [END functions_firebase_reactive]
+
+// [START functions_firebase_analytics]
+/**
+ * Triggered by a Google Analytics for Firebase log event.
+ *
+ * @param {!Object} event The Cloud Functions event.
+ */
+exports.helloAnalytics = (event) => {
+ const resource = event.resource;
+ console.log(`Function triggered by the following event: ${resource}`);
+
+ const analyticsEvent = event.data.eventDim[0];
+ console.log(`Name: ${analyticsEvent.name}`);
+ console.log(`Timestamp: ${new Date(analyticsEvent.timestampMicros / 1000)}`);
+
+ const userObj = event.data.userDim;
+ console.log(`Device Model: ${userObj.deviceInfo.deviceModel}`);
+ console.log(`Location: ${userObj.geoInfo.city}, ${userObj.geoInfo.country}`);
+};
+// [END functions_firebase_analytics]

functions/firebase/test/index.test.js

@@ -107,6 +107,36 @@ test(`should listen to Auth events`, t => {
  t.true(console.log.calledWith(`Email: me@example.com`));
 });
 
+test.serial('should monitor Analytics', t => {
+ const date = new Date();
+ const event = {
+ data: {
+ eventDim: [{
+ name: 'my-event',
+ timestampMicros: `${date.valueOf()}000`
+ }],
+ userDim: {
+ deviceInfo: {
+ deviceModel: 'Pixel'
+ },
+ geoInfo: {
+ city: 'London',
+ country: 'UK'
+ }
+ }
+ },
+ resource: 'my-resource'
+ };
+
+ const sample = getSample();
+ sample.program.helloAnalytics(event);
+ t.is(console.log.args[0][0], `Function triggered by the following event: my-resource`);
+ t.is(console.log.args[1][0], `Name: my-event`);
+ t.is(console.log.args[2][0], `Timestamp: ${date}`);
+ t.is(console.log.args[3][0], `Device Model: Pixel`);
+ t.is(console.log.args[4][0], `Location: London, UK`);
+});
+
 test(`should update data in response to Firestore events`, t => {
  const sample = getSample();
 

functions/node8/index.js

@@ -186,3 +186,24 @@ exports.helloAuth = (data, context) => {
  }
 };
 // [END functions_firebase_auth_node8]
+
+// [START functions_firebase_analytics]
+/**
+ * Triggered by a Google Analytics for Firebase log event.
+ *
+ * @param {object} data The event payload.
+ * @param {object} context The event metadata.
+ */
+exports.helloAnalytics = (data, context) => {
+ const resource = context.resource;
+ console.log(`Function triggered by the following event: ${resource}`);
+
+ const analyticsEvent = data.eventDim[0];
+ console.log(`Name: ${analyticsEvent.name}`);
+ console.log(`Timestamp: ${new Date(analyticsEvent.timestampMicros / 1000)}`);
+
+ const userObj = data.userDim;
+ console.log(`Device Model: ${userObj.deviceInfo.deviceModel}`);
+ console.log(`Location: ${userObj.geoInfo.city}, ${userObj.geoInfo.country}`);
+};
+// [END functions_firebase_analytics]

functions/node8/test/index.test.js

@@ -82,3 +82,33 @@ test.serial('should monitor Auth', t => {
  t.true(console.log.secondCall.args[0].includes(dateString));
  t.true(console.log.thirdCall.args[0].includes(emailString));
 });
+
+test.serial('should monitor Analytics', t => {
+ const date = new Date();
+ const data = {
+ eventDim: [{
+ name: 'my-event',
+ timestampMicros: `${date.valueOf()}000`
+ }],
+ userDim: {
+ deviceInfo: {
+ deviceModel: 'Pixel'
+ },
+ geoInfo: {
+ city: 'London',
+ country: 'UK'
+ }
+ }
+ };
+
+ const context = {
+ resource: 'my-resource'
+ };
+
+ program.helloAnalytics(data, context);
+ t.is(console.log.args[0][0], `Function triggered by the following event: my-resource`);
+ t.is(console.log.args[1][0], `Name: my-event`);
+ t.is(console.log.args[2][0], `Timestamp: ${date}`);
+ t.is(console.log.args[3][0], `Device Model: Pixel`);
+ t.is(console.log.args[4][0], `Location: London, UK`);
+});