Merge branch 'develop' into feature/bma/push

appnav/src/main/kotlin/io/element/android/appnav/LoggedInFlowNode.kt

@@ -32,6 +32,7 @@ import com.bumble.appyx.core.plugin.Plugin
 import com.bumble.appyx.core.plugin.plugins
 import com.bumble.appyx.navmodel.backstack.BackStack
 import com.bumble.appyx.navmodel.backstack.operation.push
+import com.bumble.appyx.navmodel.backstack.operation.replace
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import io.element.android.anvilannotations.ContributesNode
@@ -199,7 +200,16 @@ class LoggedInFlowNode @AssistedInject constructor(
                     .build()
             }
             NavTarget.CreateRoom -> {
-                createRoomEntryPoint.createNode(this, buildContext)
+                val callback = object : CreateRoomEntryPoint.Callback {
+                    override fun onOpenRoom(roomId: RoomId) {
+                        backstack.replace(NavTarget.Room(roomId))
+                    }
+                }
+
+                createRoomEntryPoint
+                    .nodeBuilder(this, buildContext)
+                    .callback(callback)
+                    .build()
             }
             NavTarget.VerifySession -> {
                 verifySessionEntryPoint.createNode(this, buildContext)

build.gradle.kts

@@ -231,6 +231,7 @@ koverMerged {
             overrideClassFilter {
                 includes += "*Presenter"
                 excludes += "*TemplatePresenter"
+                excludes += "*Fake*Presenter"
                 excludes += "io.element.android.appnav.loggedin.LoggedInPresenter$*"
             }
             bound {

changelog.d/96.feature

@@ -0,0 +1 @@
+[Create and join rooms] Show or create direct message room

features/createroom/api/build.gradle.kts

@@ -24,4 +24,5 @@ android {
 
 dependencies {
     implementation(projects.libraries.architecture)
+    implementation(projects.libraries.matrix.api)
 }

features/createroom/api/src/main/kotlin/io/element/android/features/createroom/api/CreateRoomEntryPoint.kt

@@ -16,6 +16,21 @@
 
 package io.element.android.features.createroom.api
 
-import io.element.android.libraries.architecture.SimpleFeatureEntryPoint
+import com.bumble.appyx.core.modality.BuildContext
+import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
+import io.element.android.libraries.architecture.FeatureEntryPoint
+import io.element.android.libraries.matrix.api.core.RoomId
 
-interface CreateRoomEntryPoint : SimpleFeatureEntryPoint
+interface CreateRoomEntryPoint : FeatureEntryPoint {
+
+    fun nodeBuilder(parentNode: Node, buildContext: BuildContext): NodeBuilder
+    interface NodeBuilder {
+        fun callback(callback: Callback): NodeBuilder
+        fun build(): Node
+    }
+
+    interface Callback : Plugin {
+        fun onOpenRoom(roomId: RoomId)
+    }
+}

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/CreateRoomFlowNode.kt

@@ -23,17 +23,20 @@ import com.bumble.appyx.core.composable.Children
 import com.bumble.appyx.core.modality.BuildContext
 import com.bumble.appyx.core.node.Node
 import com.bumble.appyx.core.plugin.Plugin
+import com.bumble.appyx.core.plugin.plugins
 import com.bumble.appyx.navmodel.backstack.BackStack
 import com.bumble.appyx.navmodel.backstack.operation.push
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import io.element.android.anvilannotations.ContributesNode
+import io.element.android.features.createroom.api.CreateRoomEntryPoint
 import io.element.android.features.createroom.impl.addpeople.AddPeopleNode
 import io.element.android.features.createroom.impl.root.CreateRoomRootNode
 import io.element.android.libraries.architecture.BackstackNode
 import io.element.android.libraries.architecture.animation.rememberDefaultTransitionHandler
 import io.element.android.libraries.architecture.createNode
 import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.core.RoomId
 import kotlinx.parcelize.Parcelize
 
 @ContributesNode(SessionScope::class)
@@ -64,6 +67,10 @@ class CreateRoomFlowNode @AssistedInject constructor(
                     override fun onCreateNewRoom() {
                         backstack.push(NavTarget.NewRoom)
                     }
+
+                    override fun onOpenRoom(roomId: RoomId) {
+                        plugins<CreateRoomEntryPoint.Callback>().forEach { it.onOpenRoom(roomId) }
+                    }
                 }
                 createNode<CreateRoomRootNode>(buildContext, plugins = listOf(callback))
             }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/DefaultCreateRoomEntryPoint.kt

@@ -18,6 +18,7 @@ package io.element.android.features.createroom.impl
 
 import com.bumble.appyx.core.modality.BuildContext
 import com.bumble.appyx.core.node.Node
+import com.bumble.appyx.core.plugin.Plugin
 import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.features.createroom.api.CreateRoomEntryPoint
 import io.element.android.libraries.architecture.createNode
@@ -26,7 +27,21 @@ import javax.inject.Inject
 
 @ContributesBinding(AppScope::class)
 class DefaultCreateRoomEntryPoint @Inject constructor() : CreateRoomEntryPoint {
-    override fun createNode(parentNode: Node, buildContext: BuildContext): Node {
-        return parentNode.createNode<CreateRoomFlowNode>(buildContext)
+
+    override fun nodeBuilder(parentNode: Node, buildContext: BuildContext): CreateRoomEntryPoint.NodeBuilder {
+
+        val plugins = ArrayList<Plugin>()
+
+        return object : CreateRoomEntryPoint.NodeBuilder {
+
+            override fun callback(callback: CreateRoomEntryPoint.Callback): CreateRoomEntryPoint.NodeBuilder {
+                plugins += callback
+                return this
+            }
+
+            override fun build(): Node {
+                return parentNode.createNode<CreateRoomFlowNode>(buildContext, plugins)
+            }
+        }
     }
 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootEvents.kt

@@ -19,6 +19,7 @@ package io.element.android.features.createroom.impl.root
 import io.element.android.libraries.matrix.ui.model.MatrixUser
 
 sealed interface CreateRoomRootEvents {
-    data class StartDM(val matrixUser: MatrixUser) : CreateRoomRootEvents
     object InvitePeople : CreateRoomRootEvents
+    data class StartDM(val matrixUser: MatrixUser) : CreateRoomRootEvents
+    object CancelStartDM : CreateRoomRootEvents
 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootNode.kt

@@ -16,7 +16,6 @@
 
 package io.element.android.features.createroom.impl.root
 
-import android.os.Parcelable
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import com.bumble.appyx.core.modality.BuildContext
@@ -27,7 +26,7 @@ import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import io.element.android.anvilannotations.ContributesNode
 import io.element.android.libraries.di.SessionScope
-import kotlinx.parcelize.Parcelize
+import io.element.android.libraries.matrix.api.core.RoomId
 
 @ContributesNode(SessionScope::class)
 class CreateRoomRootNode @AssistedInject constructor(
@@ -38,15 +37,17 @@ class CreateRoomRootNode @AssistedInject constructor(
 
     interface Callback : Plugin {
         fun onCreateNewRoom()
+        fun onOpenRoom(roomId: RoomId)
     }
 
-    private fun onCreateNewRoom() {
-        plugins<Callback>().forEach { it.onCreateNewRoom() }
-    }
+    private val callback = object : Callback {
+        override fun onCreateNewRoom() {
+            plugins<Callback>().forEach { it.onCreateNewRoom() }
+        }
 
-    sealed interface NavTarget : Parcelable {
-        @Parcelize
-        object Root : NavTarget
+        override fun onOpenRoom(roomId: RoomId) {
+            plugins<Callback>().forEach { it.onOpenRoom(roomId) }
+        }
     }
 
     @Composable
@@ -56,7 +57,8 @@ class CreateRoomRootNode @AssistedInject constructor(
             state = state,
             modifier = modifier,
             onClosePressed = this::navigateUp,
-            onNewRoomClicked = this::onCreateNewRoom,
+            onNewRoomClicked = callback::onCreateNewRoom,
+            onOpenDM = callback::onOpenRoom,
         )
     }
 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootPresenter.kt

@@ -17,19 +17,29 @@
 package io.element.android.features.createroom.impl.root
 
 import androidx.compose.runtime.Composable
-import io.element.android.features.userlist.api.SelectionMode
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import io.element.android.features.userlist.api.MatrixUserDataSource
+import io.element.android.features.userlist.api.SelectionMode
 import io.element.android.features.userlist.api.UserListPresenter
 import io.element.android.features.userlist.api.UserListPresenterArgs
+import io.element.android.libraries.architecture.Async
 import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.architecture.execute
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.ui.model.MatrixUser
-import timber.log.Timber
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 import javax.inject.Named
 
 class CreateRoomRootPresenter @Inject constructor(
     private val presenterFactory: UserListPresenter.Factory,
     @Named("AllUsers") private val matrixUserDataSource: MatrixUserDataSource,
+    private val matrixClient: MatrixClient,
 ) : Presenter<CreateRoomRootState> {
 
     private val presenter by lazy {
@@ -43,20 +53,37 @@ class CreateRoomRootPresenter @Inject constructor(
     override fun present(): CreateRoomRootState {
         val userListState = presenter.present()
 
+        val localCoroutineScope = rememberCoroutineScope()
+        val startDmAction: MutableState<Async<RoomId>> = remember { mutableStateOf(Async.Uninitialized) }
+
+        fun startDm(matrixUser: MatrixUser) {
+            startDmAction.value = Async.Uninitialized
+            val existingDM = matrixClient.findDM(matrixUser.id)
+            if (existingDM == null) {
+                localCoroutineScope.createDM(matrixUser, startDmAction)
+            } else {
+                startDmAction.value = Async.Success(existingDM.roomId)
+            }
+        }
+
         fun handleEvents(event: CreateRoomRootEvents) {
             when (event) {
-                is CreateRoomRootEvents.StartDM -> handleStartDM(event.matrixUser)
+                is CreateRoomRootEvents.StartDM -> startDm(event.matrixUser)
+                CreateRoomRootEvents.CancelStartDM -> startDmAction.value = Async.Uninitialized
                 CreateRoomRootEvents.InvitePeople -> Unit // Todo Handle invite people action
             }
         }
 
         return CreateRoomRootState(
             userListState = userListState,
+            startDmAction = startDmAction.value,
             eventSink = ::handleEvents,
         )
     }
 
-    private fun handleStartDM(matrixUser: MatrixUser) {
-        Timber.d("handleStartDM: $matrixUser") // Todo handle start DM action
+    private fun CoroutineScope.createDM(user: MatrixUser, startDmAction: MutableState<Async<RoomId>>) = launch {
+        suspend {
+            matrixClient.createDM(user.id).getOrThrow()
+        }.execute(startDmAction)
     }
 }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootState.kt

@@ -17,8 +17,11 @@
 package io.element.android.features.createroom.impl.root
 
 import io.element.android.features.userlist.api.UserListState
+import io.element.android.libraries.architecture.Async
+import io.element.android.libraries.matrix.api.core.RoomId
 
 data class CreateRoomRootState(
     val userListState: UserListState,
+    val startDmAction: Async<RoomId>,
     val eventSink: (CreateRoomRootEvents) -> Unit,
 )

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootStateProvider.kt

@@ -18,15 +18,41 @@ package io.element.android.features.createroom.impl.root
 
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import io.element.android.features.userlist.api.aUserListState
+import io.element.android.libraries.architecture.Async
+import io.element.android.libraries.matrix.ui.components.aMatrixUser
+import kotlinx.collections.immutable.persistentListOf
 
 open class CreateRoomRootStateProvider : PreviewParameterProvider<CreateRoomRootState> {
     override val values: Sequence<CreateRoomRootState>
         get() = sequenceOf(
             aCreateRoomRootState(),
+            aCreateRoomRootState().copy(
+                startDmAction = Async.Loading(),
+                userListState = aMatrixUser().let {
+                    aUserListState().copy(
+                        searchQuery = it.id.value,
+                        searchResults = persistentListOf(it),
+                        selectedUsers = persistentListOf(it),
+                        isSearchActive = true,
+                    )
+                }
+            ),
+            aCreateRoomRootState().copy(
+                startDmAction = Async.Failure(Throwable()),
+                userListState = aMatrixUser().let {
+                    aUserListState().copy(
+                        searchQuery = it.id.value,
+                        searchResults = persistentListOf(it),
+                        selectedUsers = persistentListOf(it),
+                        isSearchActive = true,
+                    )
+                }
+            ),
         )
 }
 
 fun aCreateRoomRootState() = CreateRoomRootState(
     eventSink = {},
-    userListState =  aUserListState(),
+    startDmAction = Async.Uninitialized,
+    userListState = aUserListState(),
 )

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootView.kt

@@ -16,6 +16,7 @@
 
 package io.element.android.features.createroom.impl.root
 
+import android.widget.Toast
 import androidx.annotation.DrawableRes
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
@@ -28,17 +29,22 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
-import io.element.android.features.userlist.api.UserListView
 import io.element.android.features.createroom.impl.R
+import io.element.android.features.userlist.api.UserListView
+import io.element.android.libraries.architecture.Async
+import io.element.android.libraries.designsystem.components.ProgressDialog
+import io.element.android.libraries.designsystem.components.dialogs.RetryDialog
 import io.element.android.libraries.designsystem.preview.ElementPreviewDark
 import io.element.android.libraries.designsystem.preview.ElementPreviewLight
 import io.element.android.libraries.designsystem.theme.components.CenterAlignedTopAppBar
@@ -46,6 +52,7 @@ import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.IconButton
 import io.element.android.libraries.designsystem.theme.components.Scaffold
 import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.designsystem.R as DrawableR
 import io.element.android.libraries.ui.strings.R as StringR
 
@@ -56,7 +63,14 @@ fun CreateRoomRootView(
     modifier: Modifier = Modifier,
     onClosePressed: () -> Unit = {},
     onNewRoomClicked: () -> Unit = {},
+    onOpenDM: (RoomId) -> Unit = {},
 ) {
+    if (state.startDmAction is Async.Success) {
+        LaunchedEffect(state.startDmAction) {
+            onOpenDM(state.startDmAction.state)
+        }
+    }
+
     Scaffold(
         modifier = modifier.fillMaxWidth(),
         topBar = {
@@ -69,10 +83,16 @@ fun CreateRoomRootView(
             modifier = Modifier.padding(paddingValues),
             verticalArrangement = Arrangement.spacedBy(8.dp),
         ) {
+            val context = LocalContext.current
             UserListView(
                 modifier = Modifier.fillMaxWidth(),
                 state = state.userListState,
-                onUserSelected = { state.eventSink.invoke(CreateRoomRootEvents.StartDM(it)) },
+                onUserSelected = {
+                    // Fixme disabled DM creation since it can break the account data which is not correctly synced
+                    //  uncomment to enable it again or move behind a feature flag
+                    Toast.makeText(context, "Create DM feature is disabled.", Toast.LENGTH_SHORT).show()
+//                    state.eventSink(CreateRoomRootEvents.StartDM(it))
+                },
             )
 
             if (!state.userListState.isSearchActive) {
@@ -83,6 +103,25 @@ fun CreateRoomRootView(
             }
         }
     }
+
+    when (state.startDmAction) {
+        is Async.Loading -> {
+            ProgressDialog(text = stringResource(id = StringR.string.common_creating_room))
+        }
+        is Async.Failure -> {
+            RetryDialog(
+                content = stringResource(id = StringR.string.screen_start_chat_error_starting_chat),
+                onDismiss = { state.eventSink(CreateRoomRootEvents.CancelStartDM) },
+                onRetry = {
+                    state.userListState.selectedUsers.firstOrNull()
+                        ?.let { state.eventSink(CreateRoomRootEvents.StartDM(it)) }
+                    // Cancel start DM if there is no more selected user (should not happen)
+                        ?: state.eventSink(CreateRoomRootEvents.CancelStartDM)
+                },
+            )
+        }
+        else -> Unit
+    }
 }
 
 @OptIn(ExperimentalMaterial3Api::class)

features/createroom/impl/src/test/kotlin/io/element/android/features/createroom/impl/addpeople/AddPeoplePresenterTests.kt

@@ -22,10 +22,8 @@ import app.cash.molecule.RecompositionClock
 import app.cash.molecule.moleculeFlow
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
-import io.element.android.features.userlist.api.MatrixUserDataSource
-import io.element.android.features.userlist.api.UserListPresenterArgs
-import io.element.android.features.userlist.impl.DefaultUserListPresenter
 import io.element.android.features.userlist.test.FakeMatrixUserDataSource
+import io.element.android.features.userlist.test.FakeUserListPresenterFactory
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
 import org.junit.Before
@@ -37,11 +35,7 @@ class AddPeoplePresenterTests {
 
     @Before
     fun setup() {
-        val userListFactory = object : DefaultUserListPresenter.DefaultUserListFactory {
-            override fun create(args: UserListPresenterArgs, dataSource: MatrixUserDataSource) = DefaultUserListPresenter(args, dataSource)
-        }
-        val dataSource = FakeMatrixUserDataSource()
-        presenter = AddPeoplePresenter(userListFactory, dataSource)
+        presenter = AddPeoplePresenter(FakeUserListPresenterFactory(), FakeMatrixUserDataSource())
     }
 
     @Test

features/createroom/impl/src/test/kotlin/io/element/android/features/createroom/impl/root/CreateRoomRootPresenterTests.kt

@@ -22,12 +22,18 @@ import app.cash.molecule.RecompositionClock
 import app.cash.molecule.moleculeFlow
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
-import io.element.android.features.userlist.api.MatrixUserDataSource
-import io.element.android.features.userlist.api.UserListPresenterArgs
-import io.element.android.features.userlist.impl.DefaultUserListPresenter
+import io.element.android.features.userlist.api.aUserListState
 import io.element.android.features.userlist.test.FakeMatrixUserDataSource
+import io.element.android.features.userlist.test.FakeUserListPresenter
+import io.element.android.features.userlist.test.FakeUserListPresenterFactory
+import io.element.android.libraries.architecture.Async
+import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.test.A_THROWABLE
+import io.element.android.libraries.matrix.test.FakeMatrixClient
+import io.element.android.libraries.matrix.test.room.FakeMatrixRoom
 import io.element.android.libraries.matrix.ui.model.MatrixUser
+import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.test.runTest
 import org.junit.Before
@@ -37,14 +43,15 @@ class CreateRoomRootPresenterTests {
 
     private lateinit var userListDataSource: FakeMatrixUserDataSource
     private lateinit var presenter: CreateRoomRootPresenter
+    private lateinit var fakeUserListPresenter: FakeUserListPresenter
+    private lateinit var fakeMatrixClient: FakeMatrixClient
 
     @Before
     fun setup() {
-        val userListPresenter = object : DefaultUserListPresenter.DefaultUserListFactory {
-            override fun create(args: UserListPresenterArgs, dataSource: MatrixUserDataSource) = DefaultUserListPresenter(args, dataSource)
-        }
+        fakeUserListPresenter = FakeUserListPresenter()
+        fakeMatrixClient = FakeMatrixClient()
         userListDataSource = FakeMatrixUserDataSource()
-        presenter = CreateRoomRootPresenter(userListPresenter, userListDataSource)
+        presenter = CreateRoomRootPresenter(FakeUserListPresenterFactory(fakeUserListPresenter), userListDataSource, fakeMatrixClient)
     }
 
     @Test
@@ -68,13 +75,82 @@ class CreateRoomRootPresenterTests {
     }
 
     @Test
-    fun `present - trigger start DM action`() = runTest {
+    fun `present - trigger create DM action`() = runTest {
         moleculeFlow(RecompositionClock.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
             val matrixUser = MatrixUser(UserId("@name:matrix.org"))
+            val createDmResult = Result.success(RoomId("!createDmResult"))
+
+            fakeMatrixClient.givenFindDmResult(null)
+            fakeMatrixClient.givenCreateDmResult(createDmResult)
+
             initialState.eventSink(CreateRoomRootEvents.StartDM(matrixUser))
+            assertThat(awaitItem().startDmAction).isInstanceOf(Async.Loading::class.java)
+            val stateAfterStartDM = awaitItem()
+            assertThat(stateAfterStartDM.startDmAction).isInstanceOf(Async.Success::class.java)
+            assertThat(stateAfterStartDM.startDmAction.dataOrNull()).isEqualTo(createDmResult.getOrNull())
+        }
+    }
+
+    @Test
+    fun `present - trigger retrieve DM action`() = runTest {
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            val matrixUser = MatrixUser(UserId("@name:matrix.org"))
+            val fakeDmResult = FakeMatrixRoom(RoomId("!fakeDmResult"))
+
+            fakeMatrixClient.givenFindDmResult(fakeDmResult)
+
+            initialState.eventSink(CreateRoomRootEvents.StartDM(matrixUser))
+            val stateAfterStartDM = awaitItem()
+            assertThat(stateAfterStartDM.startDmAction).isInstanceOf(Async.Success::class.java)
+            assertThat(stateAfterStartDM.startDmAction.dataOrNull()).isEqualTo(fakeDmResult.roomId)
+        }
+    }
+
+    @Test
+    fun `present - trigger retry create DM action`() = runTest {
+        moleculeFlow(RecompositionClock.Immediate) {
+            presenter.present()
+        }.test {
+            val initialState = awaitItem()
+            val matrixUser = MatrixUser(UserId("@name:matrix.org"))
+            val createDmResult = Result.success(RoomId("!createDmResult"))
+            fakeUserListPresenter.givenState(aUserListState().copy(selectedUsers = persistentListOf(matrixUser)))
+
+            fakeMatrixClient.givenFindDmResult(null)
+            fakeMatrixClient.givenCreateDmError(A_THROWABLE)
+            fakeMatrixClient.givenCreateDmResult(createDmResult)
+
+            // Failure
+            initialState.eventSink(CreateRoomRootEvents.StartDM(matrixUser))
+            assertThat(awaitItem().startDmAction).isInstanceOf(Async.Loading::class.java)
+            val stateAfterStartDM = awaitItem()
+            assertThat(stateAfterStartDM.startDmAction).isInstanceOf(Async.Failure::class.java)
+
+            // Cancel
+            stateAfterStartDM.eventSink(CreateRoomRootEvents.CancelStartDM)
+            val stateAfterCancel = awaitItem()
+            assertThat(stateAfterCancel.startDmAction).isInstanceOf(Async.Uninitialized::class.java)
+
+            // Failure
+            stateAfterCancel.eventSink(CreateRoomRootEvents.StartDM(matrixUser))
+            assertThat(awaitItem().startDmAction).isInstanceOf(Async.Loading::class.java)
+            val stateAfterSecondAttempt = awaitItem()
+            assertThat(stateAfterSecondAttempt.startDmAction).isInstanceOf(Async.Failure::class.java)
+
+            // Retry with success
+            fakeMatrixClient.givenCreateDmError(null)
+            stateAfterSecondAttempt.eventSink(CreateRoomRootEvents.StartDM(matrixUser))
+            assertThat(awaitItem().startDmAction).isInstanceOf(Async.Uninitialized::class.java)
+            assertThat(awaitItem().startDmAction).isInstanceOf(Async.Loading::class.java)
+            val stateAfterRetryStartDM = awaitItem()
+            assertThat(stateAfterRetryStartDM.startDmAction).isInstanceOf(Async.Success::class.java)
+            assertThat(stateAfterRetryStartDM.startDmAction.dataOrNull()).isEqualTo(createDmResult.getOrNull())
         }
     }
 }

features/userlist/test/build.gradle.kts

@@ -14,10 +14,8 @@
  * limitations under the License.
  */
 
-// TODO: Remove once https://youtrack.jetbrains.com/issue/KTIJ-19369 is fixed
-@Suppress("DSL_SCOPE_VIOLATION")
 plugins {
-    id("io.element.android-library")
+    id("io.element.android-compose-library")
 }
 
 android {
@@ -25,6 +23,7 @@ android {
 }
 
 dependencies {
+    implementation(projects.libraries.architecture)
     implementation(projects.libraries.matrixui)
     implementation(projects.libraries.matrix.api)
     api(projects.features.userlist.api)

features/userlist/test/src/main/kotlin/io/element/android/features/userlist/test/FakeUserListPresenter.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.userlist.test
+
+import androidx.compose.runtime.Composable
+import io.element.android.features.userlist.api.UserListPresenter
+import io.element.android.features.userlist.api.UserListState
+import io.element.android.features.userlist.api.aUserListState
+
+class FakeUserListPresenter : UserListPresenter {
+
+    private var state = aUserListState()
+
+    fun givenState(state: UserListState) {
+        this.state = state
+    }
+
+    @Composable
+    override fun present(): UserListState {
+        return state
+    }
+}

features/userlist/test/src/main/kotlin/io/element/android/features/userlist/test/FakeUserListPresenterFactory.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.userlist.test
+
+import io.element.android.features.userlist.api.MatrixUserDataSource
+import io.element.android.features.userlist.api.UserListPresenter
+import io.element.android.features.userlist.api.UserListPresenterArgs
+
+class FakeUserListPresenterFactory(
+    private val fakeUserListPresenter: FakeUserListPresenter = FakeUserListPresenter()
+) : UserListPresenter.Factory {
+
+    override fun create(args: UserListPresenterArgs, matrixUserDataSource: MatrixUserDataSource): UserListPresenter = fakeUserListPresenter
+}

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/dialogs/RetryDialog.kt

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.designsystem.components.dialogs
+
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.AlertDialogDefaults
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.Dp
+import io.element.android.libraries.designsystem.preview.ElementPreviewDark
+import io.element.android.libraries.designsystem.preview.ElementPreviewLight
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.ui.strings.R as StringR
+
+@Composable
+fun RetryDialog(
+    content: String,
+    modifier: Modifier = Modifier,
+    title: String = RetryDialogDefaults.title,
+    retryText: String = RetryDialogDefaults.retryText,
+    dismissText: String = RetryDialogDefaults.dismissText,
+    onRetry: () -> Unit = {},
+    onDismiss: () -> Unit = {},
+    shape: Shape = AlertDialogDefaults.shape,
+    containerColor: Color = AlertDialogDefaults.containerColor,
+    iconContentColor: Color = AlertDialogDefaults.iconContentColor,
+    titleContentColor: Color = AlertDialogDefaults.titleContentColor,
+    textContentColor: Color = AlertDialogDefaults.textContentColor,
+    tonalElevation: Dp = AlertDialogDefaults.TonalElevation,
+) {
+    AlertDialog(
+        modifier = modifier,
+        onDismissRequest = onDismiss,
+        title = {
+            Text(title)
+        },
+        text = {
+            Text(content)
+        },
+        confirmButton = {
+            TextButton(onClick = onRetry) {
+                Text(retryText)
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text(dismissText)
+            }
+        },
+        shape = shape,
+        containerColor = containerColor,
+        iconContentColor = iconContentColor,
+        titleContentColor = titleContentColor,
+        textContentColor = textContentColor,
+        tonalElevation = tonalElevation,
+    )
+}
+
+object RetryDialogDefaults {
+    val title: String @Composable get() = stringResource(id = StringR.string.dialog_title_error)
+    val retryText: String @Composable get() = stringResource(id = StringR.string.action_retry)
+    val dismissText: String @Composable get() = stringResource(id = StringR.string.action_cancel)
+}
+
+@Preview
+@Composable
+internal fun RetryDialogLightPreview() = ElementPreviewLight { ContentToPreview() }
+
+@Preview
+@Composable
+internal fun RetryDialogDarkPreview() = ElementPreviewDark { ContentToPreview() }
+
+@Composable
+private fun ContentToPreview() {
+    RetryDialog(
+        content = "Content",
+    )
+}

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -18,6 +18,7 @@ package io.element.android.libraries.matrix.api
 
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.media.MediaResolver
 import io.element.android.libraries.matrix.api.notification.NotificationService
 import io.element.android.libraries.matrix.api.pusher.PushersService
@@ -31,6 +32,8 @@ interface MatrixClient : Closeable {
     val sessionId: SessionId
     val roomSummaryDataSource: RoomSummaryDataSource
     fun getRoom(roomId: RoomId): MatrixRoom?
+    suspend fun createDM(userId: UserId): Result<RoomId>
+    fun findDM(userId: UserId): MatrixRoom?
     fun startSync()
     fun stopSync()
     fun mediaResolver(): MediaResolver

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -42,7 +42,10 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.withContext
 import org.matrix.rustcomponents.sdk.Client
 import org.matrix.rustcomponents.sdk.ClientDelegate
+import org.matrix.rustcomponents.sdk.CreateRoomParameters
 import org.matrix.rustcomponents.sdk.RequiredState
+import org.matrix.rustcomponents.sdk.RoomPreset
+import org.matrix.rustcomponents.sdk.RoomVisibility
 import org.matrix.rustcomponents.sdk.SlidingSyncListBuilder
 import org.matrix.rustcomponents.sdk.SlidingSyncMode
 import org.matrix.rustcomponents.sdk.SlidingSyncRequestListFilters
@@ -167,6 +170,30 @@ class RustMatrixClient constructor(
         )
     }
 
+    override fun findDM(userId: UserId): MatrixRoom? {
+        val roomId = client.getDmRoom(userId.value)?.use { RoomId(it.id()) }
+        return roomId?.let { getRoom(it) }
+    }
+
+    override suspend fun createDM(userId: UserId): Result<RoomId> =
+        withContext(dispatchers.io) {
+            runCatching {
+                val roomId = client.createRoom(
+                    CreateRoomParameters(
+                        name = null,
+                        topic = null,
+                        isEncrypted = true,
+                        isDirect = true,
+                        visibility = RoomVisibility.PRIVATE,
+                        preset = RoomPreset.TRUSTED_PRIVATE_CHAT,
+                        invite = listOf(userId.value),
+                        avatar = null,
+                    )
+                )
+                RoomId(roomId)
+            }
+        }
+
     override fun mediaResolver(): MediaResolver = mediaResolver
 
     override fun sessionVerificationService(): SessionVerificationService = verificationService

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -19,6 +19,7 @@ package io.element.android.libraries.matrix.test
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.SessionId
+import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.media.MediaResolver
 import io.element.android.libraries.matrix.api.notification.NotificationService
 import io.element.android.libraries.matrix.api.pusher.PushersService
@@ -44,12 +45,25 @@ class FakeMatrixClient(
     private val notificationService: FakeNotificationService = FakeNotificationService(),
 ) : MatrixClient {
 
+    private var createDmResult: Result<RoomId> = Result.success(A_ROOM_ID)
+    private var createDmFailure: Throwable? = null
+    private var findDmResult: MatrixRoom? = FakeMatrixRoom()
     private var logoutFailure: Throwable? = null
 
     override fun getRoom(roomId: RoomId): MatrixRoom? {
         return FakeMatrixRoom(roomId)
     }
 
+    override suspend fun createDM(userId: UserId): Result<RoomId> {
+        delay(100)
+        createDmFailure?.let { throw it }
+        return createDmResult
+    }
+
+    override fun findDM(userId: UserId): MatrixRoom? {
+        return findDmResult
+    }
+
     override fun startSync() = Unit
 
     override fun stopSync() = Unit
@@ -58,10 +72,6 @@ class FakeMatrixClient(
         return FakeMediaResolver()
     }
 
-    fun givenLogoutError(failure: Throwable) {
-        logoutFailure = failure
-    }
-
     override suspend fun logout() {
         delay(100)
         logoutFailure?.let { throw it }
@@ -96,4 +106,22 @@ class FakeMatrixClient(
     override fun roomMembershipObserver(): RoomMembershipObserver {
         return RoomMembershipObserver(A_SESSION_ID)
     }
+
+    // Mocks
+
+    fun givenLogoutError(failure: Throwable?) {
+        logoutFailure = failure
+    }
+
+    fun givenCreateDmResult(result: Result<RoomId>) {
+        createDmResult = result
+    }
+
+    fun givenCreateDmError(failure: Throwable?) {
+        createDmFailure = failure
+    }
+
+    fun givenFindDmResult(result: MatrixRoom?) {
+        findDmResult = result
+    }
 }

libraries/rustsdk/build.gradle

@@ -1,2 +0,0 @@
-configurations.maybeCreate("default")
-artifacts.add("default", file('matrix-rust-sdk.aar'))

libraries/rustsdk/build.gradle.kts

@@ -0,0 +1,2 @@
+configurations.maybeCreate("default")
+artifacts.add("default", file("matrix-rust-sdk.aar"))

settings.gradle.kts

@@ -51,7 +51,6 @@ include(":appnav")
 include(":tests:uitests")
 include(":anvilannotations")
 include(":anvilcodegen")
-include(":libraries:rustsdk")
 
 include(":samples:minimal")