[APP-705] Metrics revamp pt2 (#896)

* export track function from analytics.tsx

* fix create account tracking

* fix tracking sign in

* add custom feed events

* fix type errors

* refactor create post event

* add profile follow & unfollow events

* refactor PostsFeedSliceModel into its own file

* refactor PostThreadItemModel into its own file

* reorganize code a lil bit

* refactor post-thread-item to use post-feed-item model under the hood

* add post events

* add post reply tracking

* track custom feed load more

* track list subscribe and unsubscribe

src/state/models/ui/create-account.ts

@@ -7,6 +7,7 @@ import * as EmailValidator from 'email-validator'
 import {createFullHandle} from 'lib/strings/handles'
 import {cleanError} from 'lib/strings/errors'
 import {getAge} from 'lib/strings/time'
+import {track} from 'lib/analytics/analytics'
 
 const DEFAULT_DATE = new Date(Date.now() - 60e3 * 60 * 24 * 365 * 20) // default to 20 years ago
 
@@ -117,6 +118,8 @@ export class CreateAccountModel {
       this.setIsProcessing(false)
       this.setError(cleanError(errMsg))
       throw e
+    } finally {
+      track('Create Account')
     }
   }
 

src/state/models/ui/saved-feeds.ts

@@ -3,6 +3,7 @@ import {RootStoreModel} from '../root-store'
 import {bundleAsync} from 'lib/async/bundle'
 import {cleanError} from 'lib/strings/errors'
 import {CustomFeedModel} from '../feeds/custom-feed'
+import {track} from 'lib/analytics/analytics'
 
 export class SavedFeedsModel {
   // state
@@ -143,8 +144,16 @@ export class SavedFeedsModel {
 
   async togglePinnedFeed(feed: CustomFeedModel) {
     if (!this.isPinned(feed)) {
+      track('CustomFeed:Pin', {
+        name: feed.data.displayName,
+        uri: feed.uri,
+      })
       return this.rootStore.preferences.addPinnedFeed(feed.uri)
     } else {
+      track('CustomFeed:Unpin', {
+        name: feed.data.displayName,
+        uri: feed.uri,
+      })
       return this.rootStore.preferences.removePinnedFeed(feed.uri)
     }
   }
@@ -185,6 +194,11 @@ export class SavedFeedsModel {
       this.rootStore.preferences.savedFeeds,
       pinned,
     )
+    track('CustomFeed:Reorder', {
+      name: item.data.displayName,
+      uri: item.uri,
+      index: pinned.indexOf(item.uri),
+    })
   }
 
   // state transitions