feat(Rewards): Add events for Benefits Tracker with needed params (#30076)

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## **Description**

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More specific events were needed for Benefits Tracker in Rewards tab.
This PR is a companion to the following PR in segment-schema:
Consensys/segment-schema#568

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## **Related issues**

Fixes: n/a

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<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Low risk: adds new MetaMetrics events and test coverage, with no
changes to rewards business logic beyond emitting analytics on mount and
button press.
> 
> **Overview**
> Adds dedicated MetaMetrics tracking for the Rewards benefit detail
screen: emits `REWARDS_BENEFIT_DETAIL_VIEWED` on mount and
`REWARDS_BENEFIT_BUTTON_CLICKED` when the claim CTA is pressed,
including `benefit_id`, `benefit_name`, and optionally `benefit_type`
(plus `button_type: 'claim'` for clicks).
> 
> Registers the two new events in `MetaMetrics.events.ts` and updates
`BenefitFullView` tests to mock `useAnalytics` and assert event
payloads, including the omission of `benefit_type` when the type name is
missing.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
641c5b6. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: Montoya

app/components/UI/Rewards/Views/BenefitFullView.test.tsx

@@ -4,11 +4,19 @@ import BenefitFullView from './BenefitFullView';
 import Routes from '../../../../constants/navigation/Routes';
 import { REWARDS_VIEW_SELECTORS } from './RewardsView.constants';
 import { formatDateRemaining } from '../utils/formatUtils';
+import { MetaMetricsEvents } from '../../../../core/Analytics';
+import { useAnalytics } from '../../../hooks/useAnalytics/useAnalytics';
+import {
+  createMockEventBuilder,
+  createMockUseAnalyticsHook,
+} from '../../../../util/test/analyticsMock';
 
 const mockGoBack = jest.fn();
 const mockNavigate = jest.fn();
 const mockPostBenefitImpression = jest.fn().mockResolvedValue(undefined);
 const mockUseSelector = jest.fn();
+const mockTrackEvent = jest.fn();
+const mockCreateEventBuilder = jest.fn(() => createMockEventBuilder());
 const mockFormatDateRemaining = formatDateRemaining as jest.MockedFunction<
   typeof formatDateRemaining
 >;
@@ -60,6 +68,8 @@ jest.mock('../../../../core/Engine', () => ({
   },
 }));
 
+jest.mock('../../../hooks/useAnalytics/useAnalytics');
+
 jest.mock('../utils/formatUtils', () => ({
   ...jest.requireActual('../utils/formatUtils'),
   formatDateRemaining: jest.fn(),
@@ -108,6 +118,12 @@ describe('BenefitFullView', () => {
     mockRouteBenefit = mockBenefit;
     mockUseSelector.mockReturnValue('subscription-123');
     mockFormatDateRemaining.mockReturnValue('1mo 3d');
+    jest.mocked(useAnalytics).mockReturnValue(
+      createMockUseAnalyticsHook({
+        trackEvent: mockTrackEvent,
+        createEventBuilder: mockCreateEventBuilder,
+      }),
+    );
   });
 
   it('renders title, description, and action button', () => {
@@ -162,6 +178,43 @@ describe('BenefitFullView', () => {
     });
   });
 
+  it('tracks benefit detail views with benefit metadata', async () => {
+    render(<BenefitFullView />);
+
+    await waitFor(() => {
+      expect(mockCreateEventBuilder).toHaveBeenCalledWith(
+        MetaMetricsEvents.REWARDS_BENEFIT_DETAIL_VIEWED,
+      );
+    });
+    const builder = mockCreateEventBuilder.mock.results[0].value;
+    expect(builder.addProperties).toHaveBeenCalledWith({
+      benefit_id: mockBenefit.id.toString(),
+      benefit_name: mockBenefit.longTitle,
+      benefit_type: mockBenefit.type.name,
+    });
+    expect(mockTrackEvent).toHaveBeenCalledWith(builder.build());
+  });
+
+  it('omits benefit type tracking property from detail views when benefit type name is missing', async () => {
+    mockRouteBenefit = {
+      ...mockBenefit,
+      type: { id: 7, name: '' },
+    };
+
+    render(<BenefitFullView />);
+
+    await waitFor(() => {
+      expect(mockCreateEventBuilder).toHaveBeenCalledWith(
+        MetaMetricsEvents.REWARDS_BENEFIT_DETAIL_VIEWED,
+      );
+    });
+    const builder = mockCreateEventBuilder.mock.results[0].value;
+    expect(builder.addProperties).toHaveBeenCalledWith({
+      benefit_id: mockBenefit.id.toString(),
+      benefit_name: mockBenefit.longTitle,
+    });
+  });
+
   it('navigates to browser when claim action is pressed and url exists', () => {
     const { getByTestId } = render(<BenefitFullView />);
 
@@ -177,6 +230,43 @@ describe('BenefitFullView', () => {
     });
   });
 
+  it('tracks benefit claim button clicks with benefit metadata', () => {
+    const { getByTestId } = render(<BenefitFullView />);
+    jest.clearAllMocks();
+
+    fireEvent.press(getByTestId(REWARDS_VIEW_SELECTORS.DETAIL_BENEFIT_ACTION));
+
+    expect(mockCreateEventBuilder).toHaveBeenCalledWith(
+      MetaMetricsEvents.REWARDS_BENEFIT_BUTTON_CLICKED,
+    );
+    const builder = mockCreateEventBuilder.mock.results[0].value;
+    expect(builder.addProperties).toHaveBeenCalledWith({
+      button_type: 'claim',
+      benefit_id: mockBenefit.id.toString(),
+      benefit_name: mockBenefit.longTitle,
+      benefit_type: mockBenefit.type.name,
+    });
+    expect(mockTrackEvent).toHaveBeenCalledWith(builder.build());
+  });
+
+  it('omits benefit type tracking property when benefit type name is missing', () => {
+    mockRouteBenefit = {
+      ...mockBenefit,
+      type: { id: 7, name: '' },
+    };
+    const { getByTestId } = render(<BenefitFullView />);
+    jest.clearAllMocks();
+
+    fireEvent.press(getByTestId(REWARDS_VIEW_SELECTORS.DETAIL_BENEFIT_ACTION));
+
+    const builder = mockCreateEventBuilder.mock.results[0].value;
+    expect(builder.addProperties).toHaveBeenCalledWith({
+      button_type: 'claim',
+      benefit_id: mockBenefit.id.toString(),
+      benefit_name: mockBenefit.longTitle,
+    });
+  });
+
   it('does not navigate when claim action is pressed and url is missing', () => {
     mockRouteBenefit = { ...mockBenefit, url: '' };
 

app/components/UI/Rewards/Views/BenefitFullView.tsx

@@ -1,5 +1,4 @@
 import React, { useEffect, useMemo } from 'react';
-import useTrackRewardsPageView from '../hooks/useTrackRewardsPageView';
 import { Image, ScrollView } from 'react-native';
 import { useNavigation, useRoute } from '@react-navigation/native';
 import { useTailwind } from '@metamask/design-system-twrnc-preset';
@@ -30,15 +29,30 @@ import Routes from '../../../../constants/navigation/Routes.ts';
 import { useSelector } from 'react-redux';
 import { selectRewardsSubscriptionId } from '../../../../selectors/rewards';
 import Engine from '../../../../core/Engine';
+import { useAnalytics } from '../../../hooks/useAnalytics/useAnalytics';
+import { MetaMetricsEvents } from '../../../../core/Analytics';
+
+const BENEFIT_CLAIM_BUTTON_TYPE = 'claim';
 
 const BenefitFullView = () => {
   const tw = useTailwind();
   const navigation = useNavigation();
   const route = useRoute<BenefitFullViewRouteProp>();
   const { benefit } = route.params;
   const subscriptionId = useSelector(selectRewardsSubscriptionId);
+  const { trackEvent, createEventBuilder } = useAnalytics();
 
-  useTrackRewardsPageView({ page_type: 'benefit_detail' });
+  useEffect(() => {
+    trackEvent(
+      createEventBuilder(MetaMetricsEvents.REWARDS_BENEFIT_DETAIL_VIEWED)
+        .addProperties({
+          benefit_id: benefit.id.toString(),
+          benefit_name: benefit.longTitle,
+          ...(benefit.type?.name ? { benefit_type: benefit.type.name } : {}),
+        })
+        .build(),
+    );
+  }, [benefit, createEventBuilder, trackEvent]);
 
   useEffect(() => {
     if (!subscriptionId) return;
@@ -53,6 +67,17 @@ const BenefitFullView = () => {
   }, [benefit, subscriptionId]);
 
   const handleClaim = () => {
+    trackEvent(
+      createEventBuilder(MetaMetricsEvents.REWARDS_BENEFIT_BUTTON_CLICKED)
+        .addProperties({
+          button_type: BENEFIT_CLAIM_BUTTON_TYPE,
+          benefit_id: benefit.id.toString(),
+          benefit_name: benefit.longTitle,
+          ...(benefit.type?.name ? { benefit_type: benefit.type.name } : {}),
+        })
+        .build(),
+    );
+
     if (benefit.url) {
       navigation.navigate(Routes.BROWSER.HOME, {
         screen: Routes.BROWSER.VIEW,

app/core/Analytics/MetaMetrics.events.ts

@@ -632,6 +632,8 @@ enum EVENT_NAME {
   REWARDS_ACCOUNT_LINKING_COMPLETED = 'Rewards Account Linking Completed',
   REWARDS_ACCOUNT_LINKING_FAILED = 'Rewards Account Linking Failed',
   REWARDS_ACTIVE_BOOST_CLICKED = 'Rewards Active Boost Clicked',
+  REWARDS_BENEFIT_BUTTON_CLICKED = 'Rewards Benefit Button Clicked',
+  REWARDS_BENEFIT_DETAIL_VIEWED = 'Rewards Benefit Detail Viewed',
   REWARDS_DASHBOARD_TAB_VIEWED = 'Rewards Dashboard Tab Viewed',
   REWARDS_DASHBOARD_VIEWED = 'Rewards Dashboard Viewed',
   REWARDS_ONBOARDING_STARTED = 'Rewards Onboarding Started',
@@ -1757,6 +1759,12 @@ const events = {
   REWARDS_ACTIVE_BOOST_CLICKED: generateOpt(
     EVENT_NAME.REWARDS_ACTIVE_BOOST_CLICKED,
   ),
+  REWARDS_BENEFIT_BUTTON_CLICKED: generateOpt(
+    EVENT_NAME.REWARDS_BENEFIT_BUTTON_CLICKED,
+  ),
+  REWARDS_BENEFIT_DETAIL_VIEWED: generateOpt(
+    EVENT_NAME.REWARDS_BENEFIT_DETAIL_VIEWED,
+  ),
   REWARDS_DASHBOARD_TAB_VIEWED: generateOpt(
     EVENT_NAME.REWARDS_DASHBOARD_TAB_VIEWED,
   ),