Perform an initial sync after un-ignoring a user (#3439)

vector/src/main/java/im/vector/app/features/settings/ignored/IgnoredUsersViewEvents.kt

@@ -25,4 +25,5 @@ import im.vector.app.core.platform.VectorViewEvents
 sealed class IgnoredUsersViewEvents : VectorViewEvents {
     data class Loading(val message: CharSequence? = null) : IgnoredUsersViewEvents()
     data class Failure(val throwable: Throwable) : IgnoredUsersViewEvents()
+    object Success : IgnoredUsersViewEvents()
 }

vector/src/main/java/im/vector/app/features/settings/ignored/IgnoredUsersViewModel.kt

@@ -62,9 +62,14 @@ class IgnoredUsersViewModel @AssistedInject constructor(
     private fun handleUnIgnore(action: IgnoredUsersAction.UnIgnore) {
         setState { copy(isLoading = true) }
         viewModelScope.launch {
-            val result = runCatching { session.unIgnoreUserIds(listOf(action.userId)) }
+            val viewEvent = try {
+                session.unIgnoreUserIds(listOf(action.userId))
+                IgnoredUsersViewEvents.Success
+            } catch (throwable: Throwable) {
+                IgnoredUsersViewEvents.Failure(throwable)
+            }
             setState { copy(isLoading = false) }
-            result.onFailure { _viewEvents.post(IgnoredUsersViewEvents.Failure(it)) }
+            _viewEvents.post(viewEvent)
         }
     }
 }

vector/src/main/java/im/vector/app/features/settings/ignored/VectorSettingsIgnoredUsersFragment.kt

@@ -30,6 +30,8 @@ import im.vector.app.core.extensions.cleanup
 import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.databinding.FragmentGenericRecyclerBinding
+import im.vector.app.features.MainActivity
+import im.vector.app.features.MainActivityArgs
 import im.vector.app.features.analytics.plan.MobileScreen
 import javax.inject.Inject
 
@@ -60,10 +62,16 @@ class VectorSettingsIgnoredUsersFragment @Inject constructor(
             when (it) {
                 is IgnoredUsersViewEvents.Loading -> showLoading(it.message)
                 is IgnoredUsersViewEvents.Failure -> showFailure(it.throwable)
+                IgnoredUsersViewEvents.Success    -> handleSuccess()
             }
         }
     }
 
+    private fun handleSuccess() {
+        // A user has been un-ignored, perform a initial sync
+        MainActivity.restartApp(requireActivity(), MainActivityArgs(clearCache = true))
+    }
+
     override fun onDestroyView() {
         ignoredUsersController.callback = null
         views.genericRecyclerView.cleanup()