Measure impact of events in retention (#3224)

Task/Issue URL: https://app.asana.com/0/0/1204601774518723/f

### Description
Implemented new pixel which will send as parameters app events performed prior to the specified date. 

### Steps to test this PR

- smoke test

Asana task: https://app.asana.com/0/0/1204601774518724/f

### No UI changes

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/VpnFeaturesRegistryImpl.kt

@@ -19,6 +19,8 @@ package com.duckduckgo.mobile.android.vpn
 import android.content.Context
 import android.content.SharedPreferences
 import androidx.core.content.edit
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.mobile.android.vpn.prefs.VpnSharedPreferencesProvider
 import com.duckduckgo.mobile.android.vpn.service.TrackerBlockingVpnService
 import java.util.UUID
@@ -30,6 +32,7 @@ private const val IS_INITIALIZED = "IS_INITIALIZED"
 internal class VpnFeaturesRegistryImpl(
     private val vpnServiceWrapper: VpnServiceWrapper,
     private val sharedPreferencesProvider: VpnSharedPreferencesProvider,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : VpnFeaturesRegistry {
 
     private val preferences: SharedPreferences by lazy {
@@ -44,6 +47,7 @@ internal class VpnFeaturesRegistryImpl(
             putString(feature.featureName, UUID.randomUUID().toString())
         }
         vpnServiceWrapper.restartVpnService(forceRestart = true)
+        featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.APP_TP_ENABLED)
     }
 
     @Synchronized

app-tracking-protection/vpn-impl/src/main/java/com/duckduckgo/mobile/android/vpn/di/VpnAppModule.kt

@@ -21,6 +21,7 @@ import android.content.res.Resources
 import android.net.ConnectivityManager
 import androidx.room.Room
 import com.duckduckgo.app.global.DispatcherProvider
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.di.scopes.AppScope
 import com.duckduckgo.mobile.android.vpn.VpnFeaturesRegistry
 import com.duckduckgo.mobile.android.vpn.VpnFeaturesRegistryImpl
@@ -99,8 +100,9 @@ object VpnAppModule {
     fun provideVpnFeaturesRegistry(
         context: Context,
         sharedPreferencesProvider: VpnSharedPreferencesProvider,
+        featureSegmentsManager: FeatureSegmentsManager,
     ): VpnFeaturesRegistry {
-        return VpnFeaturesRegistryImpl(VpnServiceWrapper(context), sharedPreferencesProvider)
+        return VpnFeaturesRegistryImpl(VpnServiceWrapper(context), sharedPreferencesProvider, featureSegmentsManager)
     }
 
     @Provides

app-tracking-protection/vpn-impl/src/test/java/com/duckduckgo/mobile/android/vpn/VpnFeaturesRegistryImplTest.kt

@@ -19,6 +19,7 @@ package com.duckduckgo.mobile.android.vpn
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
 import com.duckduckgo.app.global.api.InMemorySharedPreferences
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.mobile.android.vpn.prefs.VpnSharedPreferencesProvider
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
@@ -33,6 +34,7 @@ import org.mockito.kotlin.*
 class VpnFeaturesRegistryImplTest {
 
     private val sharedPreferencesProvider: VpnSharedPreferencesProvider = mock()
+    private val mockFeatureSegmentsManager: FeatureSegmentsManager = mock()
     private lateinit var vpnServiceWrapper: TestVpnServiceWrapper
 
     private lateinit var vpnFeaturesRegistry: VpnFeaturesRegistry
@@ -46,7 +48,7 @@ class VpnFeaturesRegistryImplTest {
             sharedPreferencesProvider.getSharedPreferences(eq("com.duckduckgo.mobile.android.vpn.feature.registry.v1"), eq(true), eq(false)),
         ).thenReturn(prefs)
 
-        vpnFeaturesRegistry = VpnFeaturesRegistryImpl(vpnServiceWrapper, sharedPreferencesProvider)
+        vpnFeaturesRegistry = VpnFeaturesRegistryImpl(vpnServiceWrapper, sharedPreferencesProvider, mockFeatureSegmentsManager)
     }
 
     @Test

app/src/androidTest/java/com/duckduckgo/app/browser/BrowserTabViewModelTest.kt

@@ -108,6 +108,7 @@ import com.duckduckgo.app.privacy.model.UserWhitelistedDomain
 import com.duckduckgo.app.settings.db.SettingsDataStore
 import com.duckduckgo.app.statistics.VariantManager
 import com.duckduckgo.app.statistics.api.StatisticsUpdater
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter.CTA_SHOWN
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelValues.DAX_APPTP_CTA
@@ -333,6 +334,9 @@ class BrowserTabViewModelTest {
     @Mock
     private lateinit var mockUserAllowListRepository: UserAllowListRepository
 
+    @Mock
+    private lateinit var mockFeatureSegmentsManager: FeatureSegmentsManager
+
     private lateinit var remoteMessagingModel: RemoteMessagingModel
 
     private val lazyFaviconManager = Lazy { mockFaviconManager }
@@ -504,6 +508,7 @@ class BrowserTabViewModelTest {
             autofillCapabilityChecker = autofillCapabilityChecker,
             autofillFireproofDialogSuppressor = autofillFireproofDialogSuppressor,
             automaticSavedLoginsMonitor = automaticSavedLoginsMonitor,
+            featureSegmentsManager = mockFeatureSegmentsManager,
         )
 
         testee.loadData("abc", null, false, false)

app/src/androidTest/java/com/duckduckgo/app/di/StubStatisticsModule.kt

@@ -25,6 +25,7 @@ import com.duckduckgo.app.statistics.AtbInitializerListener
 import com.duckduckgo.app.statistics.api.PixelSender
 import com.duckduckgo.app.statistics.api.StatisticsService
 import com.duckduckgo.app.statistics.api.StatisticsUpdater
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.store.StatisticsDataStore
 import com.duckduckgo.di.DaggerSet
@@ -109,8 +110,9 @@ class StubStatisticsModule {
         statisticsDataStore: StatisticsDataStore,
         statisticsUpdater: StatisticsUpdater,
         listeners: DaggerSet<AtbInitializerListener>,
+        featureSegmentsManager: FeatureSegmentsManager,
     ): MainProcessLifecycleObserver {
-        return AtbInitializer(appCoroutineScope, statisticsDataStore, statisticsUpdater, listeners)
+        return AtbInitializer(appCoroutineScope, statisticsDataStore, statisticsUpdater, listeners, featureSegmentsManager)
     }
 
     @Provides

app/src/androidTest/java/com/duckduckgo/app/integration/AtbIntegrationTest.kt

@@ -27,6 +27,7 @@ import com.duckduckgo.app.statistics.VariantManager
 import com.duckduckgo.app.statistics.api.RefreshRetentionAtbPlugin
 import com.duckduckgo.app.statistics.api.StatisticsRequester
 import com.duckduckgo.app.statistics.api.StatisticsService
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.model.Atb
 import com.duckduckgo.app.statistics.store.StatisticsDataStore
 import com.duckduckgo.app.statistics.store.StatisticsSharedPreferences

app/src/main/java/com/duckduckgo/app/bookmarks/ui/BookmarksViewModel.kt

@@ -27,6 +27,8 @@ import com.duckduckgo.app.browser.favicon.FaviconManager
 import com.duckduckgo.app.global.DispatcherProvider
 import com.duckduckgo.app.global.SingleLiveEvent
 import com.duckduckgo.app.pixels.AppPixelName
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType.BOOKMARKS_IMPORTED
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.di.scopes.ActivityScope
 import com.duckduckgo.savedsites.api.SavedSitesRepository
@@ -55,6 +57,7 @@ class BookmarksViewModel @Inject constructor(
     private val pixel: Pixel,
     private val syncEngine: SyncEngine,
     private val dispatcherProvider: DispatcherProvider,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : EditSavedSiteListener, AddBookmarkFolderListener, EditBookmarkFolderListener, ViewModel() {
 
     data class ViewState(
@@ -159,6 +162,9 @@ class BookmarksViewModel @Inject constructor(
             withContext(dispatcherProvider.main()) {
                 command.value = ImportedSavedSites(result)
             }
+            if (result is ImportSavedSitesResult.Success) {
+                featureSegmentsManager.addUserToFeatureSegment(BOOKMARKS_IMPORTED)
+            }
         }
     }
 

app/src/main/java/com/duckduckgo/app/browser/BrowserActivity.kt

@@ -63,6 +63,7 @@ import com.duckduckgo.app.settings.SettingsActivity
 import com.duckduckgo.app.settings.db.SettingsDataStore
 import com.duckduckgo.app.sitepermissions.SitePermissionsActivity
 import com.duckduckgo.app.statistics.VariantManager
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.tabs.model.TabEntity
 import com.duckduckgo.di.scopes.ActivityScope
@@ -115,6 +116,9 @@ open class BrowserActivity : DuckDuckGoActivity() {
     @Inject
     lateinit var globalActivityStarter: GlobalActivityStarter
 
+    @Inject
+    lateinit var featureSegmentsManager: FeatureSegmentsManager
+
     @Inject
     @AppCoroutineScope
     lateinit var appCoroutineScope: CoroutineScope
@@ -423,6 +427,7 @@ open class BrowserActivity : DuckDuckGoActivity() {
             settingsDataStore = settingsDataStore,
             userEventsStore = userEventsStore,
             appCoroutineScope = appCoroutineScope,
+            featureSegmentsManager = featureSegmentsManager,
         )
         dialog.clearStarted = {
             removeObservers()

app/src/main/java/com/duckduckgo/app/browser/BrowserTabViewModel.kt

@@ -99,6 +99,8 @@ import com.duckduckgo.app.privacy.db.NetworkLeaderboardDao
 import com.duckduckgo.app.privacy.db.UserWhitelistDao
 import com.duckduckgo.app.settings.db.SettingsDataStore
 import com.duckduckgo.app.statistics.api.StatisticsUpdater
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter.FAVORITE_MENU_ITEM_STATE
@@ -189,6 +191,7 @@ class BrowserTabViewModel @Inject constructor(
     private val sitePermissionsManager: SitePermissionsManager,
     private val autofillFireproofDialogSuppressor: AutofillFireproofDialogSuppressor,
     private val automaticSavedLoginsMonitor: AutomaticSavedLoginsMonitor,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : WebViewClientListener,
     EditSavedSiteListener,
     UrlExtractionListener,
@@ -880,6 +883,7 @@ class BrowserTabViewModel @Inject constructor(
         viewModelScope.launch(dispatchers.io()) {
             searchCountDao.incrementSearchCount()
         }
+        featureSegmentsManager.searchMade()
 
         val verticalParameter = extractVerticalParameter(url)
         var urlToNavigate = queryUrlConverter.convertQueryToUrl(trimmedInput, verticalParameter, queryOrigin)
@@ -1897,6 +1901,7 @@ class BrowserTabViewModel @Inject constructor(
         viewModelScope.launch {
             val favorite = withContext(dispatchers.io()) {
                 if (url.isNotBlank()) {
+                    featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.FAVOURITE_SET)
                     faviconManager.persistCachedFavicon(tabId, url)
                     savedSitesRepository.insertFavorite(title = title, url = url)
                 } else {
@@ -2793,6 +2798,7 @@ class BrowserTabViewModel @Inject constructor(
         url: String,
         credentials: LoginCredentials,
     ): LoginCredentials? {
+        featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.LOGIN_SAVED)
         return withContext(appCoroutineScope.coroutineContext) {
             autofillStore.saveCredentials(url, credentials)
         }

app/src/main/java/com/duckduckgo/app/browser/autofill/AutofillCredentialsSelectionResultHandler.kt

@@ -25,6 +25,8 @@ import com.duckduckgo.app.browser.R
 import com.duckduckgo.app.di.AppCoroutineScope
 import com.duckduckgo.app.global.DefaultDispatcherProvider
 import com.duckduckgo.app.global.DispatcherProvider
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.autofill.api.CredentialAutofillPickerDialog
 import com.duckduckgo.autofill.api.CredentialSavePickerDialog
@@ -64,6 +66,7 @@ class AutofillCredentialsSelectionResultHandler @Inject constructor(
     private val autofillDialogSuppressor: AutofillFireproofDialogSuppressor,
     private val autoSavedLoginsMonitor: AutomaticSavedLoginsMonitor,
     private val existingCredentialMatchDetector: ExistingCredentialMatchDetector,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) {
 
     suspend fun processAutofillCredentialSelectionResult(
@@ -244,6 +247,7 @@ class AutofillCredentialsSelectionResultHandler @Inject constructor(
                 )?.id?.let { savedId ->
                     Timber.i("New login saved because no exact matches were found, with ID: $savedId")
                     autoSavedLoginsMonitor.setAutoSavedLoginId(savedId, tabId)
+                    featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.LOGIN_SAVED)
                 }
             }
         }

app/src/main/java/com/duckduckgo/app/browser/defaultbrowsing/DefaultBrowserObserver.kt

@@ -20,13 +20,16 @@ import androidx.lifecycle.LifecycleOwner
 import com.duckduckgo.app.global.install.AppInstallStore
 import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
 import com.duckduckgo.app.pixels.AppPixelName
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter
 
 class DefaultBrowserObserver(
     private val defaultBrowserDetector: DefaultBrowserDetector,
     private val appInstallStore: AppInstallStore,
     private val pixel: Pixel,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : MainProcessLifecycleObserver {
 
     override fun onResume(owner: LifecycleOwner) {
@@ -39,6 +42,7 @@ class DefaultBrowserObserver(
                         PixelParameter.DEFAULT_BROWSER_SET_FROM_ONBOARDING to false.toString(),
                     )
                     pixel.fire(AppPixelName.DEFAULT_BROWSER_SET, params)
+                    featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.SET_AS_DEFAULT)
                 }
                 else -> pixel.fire(AppPixelName.DEFAULT_BROWSER_UNSET)
             }

app/src/main/java/com/duckduckgo/app/browser/di/BrowserModule.kt

@@ -62,6 +62,7 @@ import com.duckduckgo.app.privacy.db.UserAllowListRepository
 import com.duckduckgo.app.referral.AppReferrerDataStore
 import com.duckduckgo.app.settings.db.SettingsDataStore
 import com.duckduckgo.app.statistics.VariantManager
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.store.StatisticsDataStore
 import com.duckduckgo.app.surrogates.ResourceSurrogates
@@ -144,8 +145,9 @@ class BrowserModule {
         defaultBrowserDetector: DefaultBrowserDetector,
         appInstallStore: AppInstallStore,
         pixel: Pixel,
+        featureSegmentsManager: FeatureSegmentsManager,
     ): MainProcessLifecycleObserver {
-        return DefaultBrowserObserver(defaultBrowserDetector, appInstallStore, pixel)
+        return DefaultBrowserObserver(defaultBrowserDetector, appInstallStore, pixel, featureSegmentsManager)
     }
 
     @SingleInstanceIn(AppScope::class)

app/src/main/java/com/duckduckgo/app/di/StatisticsModule.kt

@@ -24,6 +24,7 @@ import com.duckduckgo.app.lifecycle.MainProcessLifecycleObserver
 import com.duckduckgo.app.statistics.AtbInitializer
 import com.duckduckgo.app.statistics.AtbInitializerListener
 import com.duckduckgo.app.statistics.api.*
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.store.PendingPixelDao
 import com.duckduckgo.app.statistics.store.StatisticsDataStore
 import com.duckduckgo.di.DaggerSet
@@ -55,8 +56,9 @@ object StatisticsModule {
         statisticsDataStore: StatisticsDataStore,
         statisticsUpdater: StatisticsUpdater,
         listeners: DaggerSet<AtbInitializerListener>,
+        featureSegmentsManager: FeatureSegmentsManager,
     ): MainProcessLifecycleObserver {
-        return AtbInitializer(appCoroutineScope, statisticsDataStore, statisticsUpdater, listeners)
+        return AtbInitializer(appCoroutineScope, statisticsDataStore, statisticsUpdater, listeners, featureSegmentsManager)
     }
 
     @SingleInstanceIn(AppScope::class)

app/src/main/java/com/duckduckgo/app/email/AppEmailManager.kt

@@ -22,6 +22,8 @@ import com.duckduckgo.app.global.DispatcherProvider
 import com.duckduckgo.app.pixels.AppPixelName.EMAIL_DISABLED
 import com.duckduckgo.app.pixels.AppPixelName.EMAIL_ENABLED
 import com.duckduckgo.app.statistics.api.BrowserFeatureStateReporterPlugin
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType.EMAIL_PROTECTION_SET
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter
 import com.duckduckgo.di.scopes.AppScope
@@ -48,6 +50,7 @@ class AppEmailManager @Inject constructor(
     private val dispatcherProvider: DispatcherProvider,
     private val appCoroutineScope: CoroutineScope,
     private val pixel: Pixel,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : EmailManager, BrowserFeatureStateReporterPlugin {
 
     private val isSignedInStateFlow = MutableStateFlow(isSignedIn())
@@ -72,6 +75,7 @@ class AppEmailManager @Inject constructor(
             generateNewAlias()
             pixel.fire(EMAIL_ENABLED)
         }
+        featureSegmentsManager.addUserToFeatureSegment(EMAIL_PROTECTION_SET)
     }
 
     override fun signOut() {

app/src/main/java/com/duckduckgo/app/global/view/FireDialog.kt

@@ -40,6 +40,8 @@ import com.duckduckgo.app.global.view.FireDialog.FireDialogClearAllEvent.ClearAl
 import com.duckduckgo.app.pixels.AppPixelName.*
 import com.duckduckgo.app.settings.clear.getPixelValue
 import com.duckduckgo.app.settings.db.SettingsDataStore
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentType
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.app.statistics.pixels.Pixel.PixelParameter.FIRE_ANIMATION
 import com.duckduckgo.mobile.android.R as CommonR
@@ -63,6 +65,7 @@ class FireDialog(
     private val settingsDataStore: SettingsDataStore,
     private val userEventsStore: UserEventsStore,
     private val appCoroutineScope: CoroutineScope,
+    private val featureSegmentsManager: FeatureSegmentsManager,
 ) : BottomSheetDialog(context, com.duckduckgo.mobile.android.R.style.Widget_DuckDuckGo_FireDialog) {
 
     private lateinit var binding: SheetFireClearDataBinding
@@ -199,6 +202,7 @@ class FireDialog(
             canRestart = true
             if (event is ClearAllDataFinished) {
                 binding.fireAnimationView.addAnimatorUpdateListener(accelerateAnimatorUpdateListener)
+                featureSegmentsManager.addUserToFeatureSegment(FeatureSegmentType.FIRE_BUTTON_USED)
             }
         } else {
             clearPersonalDataAction.killAndRestartProcess(notifyDataCleared = false)

app/src/main/java/com/duckduckgo/app/onboarding/di/WelcomePageModule.kt

@@ -21,6 +21,7 @@ import com.duckduckgo.app.global.DefaultRoleBrowserDialog
 import com.duckduckgo.app.global.RealDefaultRoleBrowserDialog
 import com.duckduckgo.app.global.install.AppInstallStore
 import com.duckduckgo.app.onboarding.ui.page.WelcomePageViewModelFactory
+import com.duckduckgo.app.statistics.api.featureusage.FeatureSegmentsManager
 import com.duckduckgo.app.statistics.pixels.Pixel
 import com.duckduckgo.appbuildconfig.api.AppBuildConfig
 import dagger.Module
@@ -35,7 +36,8 @@ class WelcomePageModule {
         context: Context,
         pixel: Pixel,
         defaultRoleBrowserDialog: DefaultRoleBrowserDialog,
-    ) = WelcomePageViewModelFactory(appInstallStore, context, pixel, defaultRoleBrowserDialog)
+        featureSegmentsManager: FeatureSegmentsManager,
+    ) = WelcomePageViewModelFactory(appInstallStore, context, pixel, defaultRoleBrowserDialog, featureSegmentsManager)
 
     @Provides
     fun defaultRoleBrowserDialog(