From 913b073ba423eada2b9322bfb81f3d175d20560d Mon Sep 17 00:00:00 2001
From: Andrew Bastin <andrewbastin.k@gmail.com>
Date: Mon, 5 Jul 2021 12:45:10 -0400
Subject: [PATCH] feat: add initial analytics implementation

---
 helpers/fb/analytics.ts | 48 +++++++++++++++++++++++++++++++++++++++++
 helpers/fb/index.ts     | 25 +++++++++++++--------
 2 files changed, 64 insertions(+), 9 deletions(-)
 create mode 100644 helpers/fb/analytics.ts

diff --git a/helpers/fb/analytics.ts b/helpers/fb/analytics.ts
new file mode 100644
index 000000000..839b1448d
--- /dev/null
+++ b/helpers/fb/analytics.ts
@@ -0,0 +1,48 @@
+import firebase from "firebase"
+import { authEvents$ } from "./auth"
+import { settings$ } from "~/newstore/settings"
+
+let analytics: firebase.analytics.Analytics
+
+type SettingsCustomDimensions = {
+  usesProxy: boolean
+  usesExtension: boolean
+  usesScrollInto: boolean
+  syncCollections: boolean
+  syncEnvironments: boolean
+  syncHistory: boolean
+}
+
+export function initAnalytics() {
+  analytics = firebase.app().analytics()
+
+  initLoginListeners()
+  initSettingsListeners()
+}
+
+function initLoginListeners() {
+  authEvents$.subscribe((ev) => {
+    if (ev.event === "login") {
+      analytics.setUserId(ev.user.uid)
+
+      analytics.logEvent("login", {
+        method: ev.user.providerData[0]?.providerId, // Assume the first provider is the login provider
+      })
+    } else if (ev.event === "logout") {
+      analytics.logEvent("logout")
+    }
+  })
+}
+
+function initSettingsListeners() {
+  settings$.subscribe((settings) => {
+    analytics.setUserProperties(<SettingsCustomDimensions>{
+      usesProxy: settings.PROXY_ENABLED,
+      usesExtension: settings.EXTENSIONS_ENABLED,
+      usesScrollInto: settings.SCROLL_INTO_ENABLED,
+      syncCollections: settings.syncCollections,
+      syncEnvironments: settings.syncEnvironments,
+      syncHistory: settings.syncHistory,
+    })
+  })
+}
diff --git a/helpers/fb/index.ts b/helpers/fb/index.ts
index 25566d530..9eb128b11 100644
--- a/helpers/fb/index.ts
+++ b/helpers/fb/index.ts
@@ -1,4 +1,5 @@
 import firebase from "firebase"
+import { initAnalytics } from "./analytics"
 import { initAuth } from "./auth"
 import { initCollections } from "./collections"
 import { initEnvironments } from "./environments"
@@ -13,21 +14,27 @@ const firebaseConfig = {
   storageBucket: process.env.STORAGE_BUCKET,
   messagingSenderId: process.env.MESSAGING_SENDER_ID,
   appId: process.env.APP_ID,
-  measurementId: process.env.MEASUREMENT_ID,
+  measurementId: process.env.FB_MEASUREMENT_ID,
 }
 
 let initialized = false
 
 export function initializeFirebase() {
   if (!initialized) {
-    firebase.initializeApp(firebaseConfig)
+    try {
+      firebase.initializeApp(firebaseConfig)
 
-    initAuth()
-    initSettings()
-    initCollections()
-    initHistory()
-    initEnvironments()
+      initAuth()
+      initSettings()
+      initCollections()
+      initHistory()
+      initEnvironments()
+      initAnalytics()
 
-    initialized = true
+      initialized = true
+    } catch (e) {
+      // initializeApp throws exception if we reinitialize
+      initialized = true
+    }
   }
-}
+}
\ No newline at end of file