feat: End call on conversation degraded (WPB-4487)

app/src/main/kotlin/com/wire/android/ui/WireActivity.kt

@@ -314,6 +314,11 @@ class WireActivity : AppCompatActivity() {
                     dismissDialog = featureFlagNotificationViewModel::dismissSnoozeE2EIdRequiredDialog
                 )
             }
+            if (showCallEndedBecauseOfConversationDegraded) {
+                GuestCallWasEndedBecauseOfVerificationDegradedDialog(
+                    featureFlagNotificationViewModel::dismissCallEndedBecauseOfConversationDegraded
+                )
+            }
         }
         UpdateAppDialog(viewModel.globalAppState.updateAppDialog, ::updateTheApp)
         JoinConversationDialog(

app/src/main/kotlin/com/wire/android/ui/WireActivityDialogs.kt

@@ -245,6 +245,20 @@ fun AccountLoggedOutDialog(blockUserUI: CurrentSessionErrorState?, navigateAway:
     }
 }
 
+@Composable
+fun GuestCallWasEndedBecauseOfVerificationDegradedDialog(onDismiss: () -> Unit) {
+    WireDialog(
+        title = stringResource(id = R.string.call_ended_because_of_verification_title),
+        text = stringResource(id = R.string.call_ended_because_of_verification_message),
+        onDismiss = onDismiss,
+        optionButton1Properties = WireDialogButtonProperties(
+            onClick = onDismiss,
+            text = stringResource(id = R.string.label_ok),
+            type = WireDialogButtonType.Primary,
+        )
+    )
+}
+
 @Composable
 private fun accountLoggedOutDialog(reason: CurrentSessionErrorState, navigateAway: () -> Unit) {
     appLogger.e("AccountLongedOutDialog: $reason")

app/src/main/kotlin/com/wire/android/ui/home/FeatureFlagState.kt

@@ -35,7 +35,8 @@ data class FeatureFlagState(
     val enforcedTimeoutDuration: SelfDeletionDuration = SelfDeletionDuration.None,
     val areSelfDeletedMessagesEnabled: Boolean = true,
     val e2EIRequired: E2EIRequired? = null,
-    val e2EISnoozeInfo: E2EISnooze? = null
+    val e2EISnoozeInfo: E2EISnooze? = null,
+    val showCallEndedBecauseOfConversationDegraded: Boolean = false
 ) {
     enum class SharingRestrictedState {
         NONE, NO_USER, RESTRICTED_IN_TEAM

app/src/main/kotlin/com/wire/android/ui/home/sync/FeatureFlagNotificationViewModel.kt

@@ -91,6 +91,7 @@ class FeatureFlagNotificationViewModel @Inject constructor(
                             setGuestRoomLinkFeatureFlag(userId)
                             setE2EIRequiredState(userId)
                             setTeamAppLockFeatureFlag(userId)
+                            observeCallEndedBecauseOfConversationDegraded(userId)
                         }
                 }
             }
@@ -192,6 +193,12 @@ class FeatureFlagNotificationViewModel @Inject constructor(
         }
     }
 
+    private fun observeCallEndedBecauseOfConversationDegraded(userId: UserId) = viewModelScope.launch {
+        coreLogic.getSessionScope(userId).calls.observeEndCallDialog().collect {
+            featureFlagState = featureFlagState.copy(showCallEndedBecauseOfConversationDegraded = true)
+        }
+    }
+
     fun dismissSelfDeletingMessagesDialog() {
         featureFlagState = featureFlagState.copy(shouldShowSelfDeletingMessagesDialog = false)
         viewModelScope.launch {
@@ -260,4 +267,8 @@ class FeatureFlagNotificationViewModel @Inject constructor(
     fun dismissSnoozeE2EIdRequiredDialog() {
         featureFlagState = featureFlagState.copy(e2EISnoozeInfo = null)
     }
+
+    fun dismissCallEndedBecauseOfConversationDegraded() {
+        featureFlagState = featureFlagState.copy(showCallEndedBecauseOfConversationDegraded = false)
+    }
 }

app/src/main/res/values/strings.xml

@@ -1281,4 +1281,7 @@
     <string name="e2ei_certificate_details_copy_to_clipboard">Copy to Clipboard</string>
     <string name="e2ei_certificate_details_download">Download</string>
     <string name="e2ei_certificate_details_certificate_copied_to_clipboard">Certificate copied to clipboard</string>
+
+    <string name="call_ended_because_of_verification_title">Conversation no longer verified</string>
+    <string name="call_ended_because_of_verification_message">The call was disconnected because at least one participant is no longer a verified contact.</string>
 </resources>

app/src/test/kotlin/com/wire/android/ui/home/sync/FeatureFlagNotificationViewModelTest.kt

@@ -196,6 +196,18 @@ class FeatureFlagNotificationViewModelTest {
         assertEquals(null, viewModel.featureFlagState.e2EISnoozeInfo)
     }
 
+    @Test
+    fun givenOngoingCallEnded_thenShowDialog() = runTest {
+        val (_, viewModel) = Arrangement()
+            .withEndCallDialog()
+            .arrange()
+
+        viewModel.initialSync()
+        advanceUntilIdle()
+
+        assertEquals(true, viewModel.featureFlagState.showCallEndedBecauseOfConversationDegraded)
+    }
+
     private inner class Arrangement {
         init {
             MockKAnnotations.init(this, relaxUnitFun = true)
@@ -236,6 +248,7 @@ class FeatureFlagNotificationViewModelTest {
             coEvery { coreLogic.getSessionScope(any()).observeFileSharingStatus.invoke() } returns flowOf()
             coEvery { coreLogic.getSessionScope(any()).observeGuestRoomLinkFeatureFlag.invoke() } returns flowOf()
             coEvery { coreLogic.getSessionScope(any()).observeE2EIRequired.invoke() } returns flowOf()
+            coEvery { coreLogic.getSessionScope(any()).calls.observeEndCallDialog() } returns flowOf()
         }
 
         fun withCurrentSessions(result: CurrentSessionResult) = apply {
@@ -258,6 +271,10 @@ class FeatureFlagNotificationViewModelTest {
             coEvery { coreLogic.getSessionScope(any()).observeE2EIRequired() } returns flowOf(result)
         }
 
+        fun withEndCallDialog() = apply {
+            coEvery { coreLogic.getSessionScope(any()).calls.observeEndCallDialog() } returns flowOf(Unit)
+        }
+
         fun arrange() = this to viewModel
     }
 }