[fenix] For https://github.com/mozilla-mobile/fenix/issues/22175: Telemetry event for deleting a search term group from the recent searches section on home

app/metrics.yaml

@@ -5804,6 +5804,25 @@ recent_bookmarks:
       - android-probes@mozilla.com
     expires: "2022-02-01"
 
+recent_searches:
+  group_deleted:
+    type: event
+    description: |
+      A user has deleted a search term group from the
+      "Recent searches" section on the homescreen using
+      the long-press menu "Remove" option. This removes
+      the item from the homescreen, but does not delete
+      the item from history.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/22175
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/TBD
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: "2022-04-01"
+
 credit_cards:
   saved:
     type: counter

app/src/main/java/org/mozilla/fenix/components/metrics/Event.kt

@@ -268,6 +268,9 @@ sealed class Event {
     object BookmarkClicked : Event()
     object ShowAllBookmarks : Event()
 
+    // Recently visited/Recent searches
+    object RecentSearchesGroupDeleted : Event()
+
     // Android Autofill
     object AndroidAutofillUnlockSuccessful : Event()
     object AndroidAutofillUnlockCanceled : Event()

app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt

@@ -41,6 +41,7 @@ import org.mozilla.fenix.GleanMetrics.Preferences
 import org.mozilla.fenix.GleanMetrics.ProgressiveWebApp
 import org.mozilla.fenix.GleanMetrics.ReaderMode
 import org.mozilla.fenix.GleanMetrics.RecentBookmarks
+import org.mozilla.fenix.GleanMetrics.RecentSearches
 import org.mozilla.fenix.GleanMetrics.RecentTabs
 import org.mozilla.fenix.GleanMetrics.SearchShortcuts
 import org.mozilla.fenix.GleanMetrics.SearchWidget
@@ -801,6 +802,10 @@ private val Event.wrapper: EventWrapper<*>?
             { RecentBookmarks.showAllBookmarks.add() }
         )
 
+        is Event.RecentSearchesGroupDeleted -> EventWrapper<NoExtraKeys>(
+            { RecentSearches.groupDeleted.record(it) }
+        )
+
         is Event.AndroidAutofillRequestWithLogins -> EventWrapper<NoExtraKeys>(
             { AndroidAutofill.requestMatchingLogins.record(it) }
         )

app/src/main/java/org/mozilla/fenix/historymetadata/controller/HistoryMetadataController.kt

@@ -13,6 +13,8 @@ import mozilla.components.browser.state.action.HistoryMetadataAction
 import mozilla.components.browser.state.store.BrowserStore
 import mozilla.components.concept.storage.HistoryMetadataStorage
 import org.mozilla.fenix.R
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
 import org.mozilla.fenix.historymetadata.HistoryMetadataGroup
 import org.mozilla.fenix.historymetadata.interactor.HistoryMetadataInteractor
 import org.mozilla.fenix.home.HomeFragmentAction
@@ -49,7 +51,8 @@ class DefaultHistoryMetadataController(
     private val homeStore: HomeFragmentStore,
     private val navController: NavController,
     private val storage: HistoryMetadataStorage,
-    private val scope: CoroutineScope
+    private val scope: CoroutineScope,
+    private val metrics: MetricController
 ) : HistoryMetadataController {
 
     override fun handleHistoryShowAllClicked() {
@@ -79,6 +82,7 @@ class DefaultHistoryMetadataController(
         scope.launch {
             storage.deleteHistoryMetadata(searchTerm)
         }
+        metrics.track(Event.RecentSearchesGroupDeleted)
     }
 
     @VisibleForTesting(otherwise = PRIVATE)

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -361,7 +361,8 @@ class HomeFragment : Fragment() {
                 homeStore = homeFragmentStore,
                 storage = components.core.historyStorage,
                 scope = viewLifecycleOwner.lifecycleScope,
-                store = components.core.store
+                store = components.core.store,
+                metrics = requireComponents.analytics.metrics
             ),
             pocketStoriesController = DefaultPocketStoriesController(
                 homeActivity = activity,

app/src/test/java/org/mozilla/fenix/historymetadata/controller/HistoryMetadataControllerTest.kt

@@ -26,6 +26,8 @@ import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.mozilla.fenix.R
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
 import org.mozilla.fenix.historymetadata.HistoryMetadataGroup
 import org.mozilla.fenix.home.HomeFragmentAction
 import org.mozilla.fenix.home.HomeFragmentDirections
@@ -40,6 +42,8 @@ class HistoryMetadataControllerTest {
     val coroutinesTestRule = MainCoroutineRule(testDispatcher)
 
     private val navController = mockk<NavController>(relaxed = true)
+    private val metrics: MetricController = mockk(relaxed = true)
+
     private lateinit var storage: HistoryMetadataStorage
     private lateinit var homeFragmentStore: HomeFragmentStore
     private lateinit var store: BrowserStore
@@ -62,7 +66,8 @@ class HistoryMetadataControllerTest {
                 store = store,
                 navController = navController,
                 scope = scope,
-                storage = storage
+                storage = storage,
+                metrics = metrics
             )
         )
     }
@@ -137,9 +142,8 @@ class HistoryMetadataControllerTest {
         testDispatcher.advanceUntilIdle()
         verify {
             store.dispatch(HistoryMetadataAction.DisbandSearchGroupAction(searchTerm = historyGroup.title))
-        }
-        verify {
             homeFragmentStore.dispatch(HomeFragmentAction.DisbandSearchGroupAction(searchTerm = historyGroup.title))
+            metrics.track(Event.RecentSearchesGroupDeleted)
         }
 
         coVerify {