From 7610130f7353ea6134fae441a8fe23e0fd0ddb2f Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Mon, 26 Nov 2018 15:51:40 -0800
Subject: Track numberAvailableAssets, selectedAssetName, selectedAssetData
 event properties

---
 .../src/components/zero_ex_instant_provider.tsx     |  1 +
 packages/instant/src/redux/analytics_middleware.ts  | 21 ++++++++++++++++++---
 packages/instant/src/util/analytics.ts              | 16 ++++++++++++++--
 3 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/packages/instant/src/components/zero_ex_instant_provider.tsx b/packages/instant/src/components/zero_ex_instant_provider.tsx
index fe34c4466..e006a5a5f 100644
--- a/packages/instant/src/components/zero_ex_instant_provider.tsx
+++ b/packages/instant/src/components/zero_ex_instant_provider.tsx
@@ -131,6 +131,7 @@ export class ZeroExInstantProvider extends React.Component<ZeroExInstantProvider
                 this.props.orderSource,
                 state.providerState,
                 window,
+                state.selectedAsset,
                 this.props.affiliateInfo,
             ),
         );
diff --git a/packages/instant/src/redux/analytics_middleware.ts b/packages/instant/src/redux/analytics_middleware.ts
index 1a8aefb38..8aa76eb77 100644
--- a/packages/instant/src/redux/analytics_middleware.ts
+++ b/packages/instant/src/redux/analytics_middleware.ts
@@ -55,10 +55,25 @@ export const analyticsMiddleware: Middleware = store => next => middlewareAction
             }
             break;
         case ActionTypes.UPDATE_SELECTED_ASSET:
-            if (curState.selectedAsset) {
+            const selectedAsset = curState.selectedAsset;
+            if (selectedAsset) {
+                const assetName = selectedAsset.metaData.name;
+                const assetData = selectedAsset.assetData;
                 analytics.trackTokenSelectorChose({
-                    assetName: curState.selectedAsset.metaData.name,
-                    assetData: curState.selectedAsset.assetData,
+                    assetName,
+                    assetData,
+                });
+                analytics.addEventProperties({
+                    selectedAssetName: assetName,
+                    selectedAssetData: assetData,
+                });
+            }
+            break;
+        case ActionTypes.SET_AVAILABLE_ASSETS:
+            const availableAssets = curState.availableAssets;
+            if (availableAssets) {
+                analytics.addEventProperties({
+                    numberAvailableAssets: availableAssets.length,
                 });
             }
             break;
diff --git a/packages/instant/src/util/analytics.ts b/packages/instant/src/util/analytics.ts
index 51be63da2..331cd86e8 100644
--- a/packages/instant/src/util/analytics.ts
+++ b/packages/instant/src/util/analytics.ts
@@ -1,4 +1,4 @@
-import { AffiliateInfo, Network, OrderSource, ProviderState } from '../types';
+import { AffiliateInfo, Asset, Network, OrderSource, ProviderState } from '../types';
 
 import { EventProperties, heapUtil } from './heap';
 
@@ -25,6 +25,7 @@ enum EventNames {
     TOKEN_SELECTOR_CHOSE = 'Token Selector - Chose',
     TOKEN_SELECTOR_SEARCHED = 'Token Selector - Searched',
 }
+
 const track = (eventName: EventNames, eventProperties: EventProperties = {}): void => {
     evaluateIfEnabled(() => {
         heapUtil.evaluateHeapCall(heap => heap.track(eventName, eventProperties));
@@ -56,6 +57,9 @@ export interface AnalyticsEventOptions {
     orderSource?: string;
     affiliateAddress?: string;
     affiliateFeePercent?: number;
+    numberAvailableAssets?: number;
+    selectedAssetName?: string;
+    selectedAssetData?: string;
 }
 export enum TokenSelectorClosedVia {
     ClickedX = 'Clicked X',
@@ -77,12 +81,13 @@ export const analytics = {
         orderSource: OrderSource,
         providerState: ProviderState,
         window: Window,
+        selectedAsset?: Asset,
         affiliateInfo?: AffiliateInfo,
     ): AnalyticsEventOptions => {
         const affiliateAddress = affiliateInfo ? affiliateInfo.feeRecipient : 'none';
         const affiliateFeePercent = affiliateInfo ? parseFloat(affiliateInfo.feePercentage.toFixed(4)) : 0;
         const orderSourceName = typeof orderSource === 'string' ? orderSource : 'provided';
-        return {
+        const eventOptions: AnalyticsEventOptions = {
             embeddedHost: window.location.host,
             embeddedUrl: window.location.href,
             networkId: network,
@@ -93,6 +98,13 @@ export const analytics = {
             affiliateAddress,
             affiliateFeePercent,
         };
+
+        if (selectedAsset) {
+            eventOptions.selectedAssetName = selectedAsset.metaData.name;
+            eventOptions.selectedAssetData = selectedAsset.assetData;
+        }
+
+        return eventOptions;
     },
     trackInstantOpened: trackingEventFnWithoutPayload(EventNames.INSTANT_OPENED),
     trackAccountLocked: trackingEventFnWithoutPayload(EventNames.ACCOUNT_LOCKED),
-- 
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