Leave space: use the SDK API.

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceNode.kt

@@ -9,21 +9,39 @@ package io.element.android.features.space.impl.leave
 
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import com.bumble.appyx.core.lifecycle.subscribe
 import com.bumble.appyx.core.modality.BuildContext
 import com.bumble.appyx.core.node.Node
 import com.bumble.appyx.core.plugin.Plugin
 import dev.zacsweers.metro.Assisted
 import dev.zacsweers.metro.AssistedInject
 import io.element.android.annotations.ContributesNode
+import io.element.android.features.space.api.SpaceEntryPoint
 import io.element.android.features.space.impl.di.SpaceFlowScope
+import io.element.android.libraries.architecture.inputs
+import io.element.android.libraries.matrix.api.MatrixClient
 
 @ContributesNode(SpaceFlowScope::class)
 @AssistedInject
 class LeaveSpaceNode(
     @Assisted buildContext: BuildContext,
     @Assisted plugins: List<Plugin>,
-    private val presenter: LeaveSpacePresenter,
+    matrixClient: MatrixClient,
+    presenterFactory: LeaveSpacePresenter.Factory,
 ) : Node(buildContext, plugins = plugins) {
+    private val inputs: SpaceEntryPoint.Inputs = inputs()
+    private val leaveSpaceHandle = matrixClient.spaceService.getLeaveSpaceHandle(inputs.roomId)
+    private val presenter: LeaveSpacePresenter = presenterFactory.create(leaveSpaceHandle)
+
+    override fun onBuilt() {
+        super.onBuilt()
+        lifecycle.subscribe(
+            onDestroy = {
+                leaveSpaceHandle.close()
+            }
+        )
+    }
+
     @Composable
     override fun View(modifier: Modifier) {
         val state = presenter.present()

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpacePresenter.kt

@@ -9,65 +9,79 @@ package io.element.android.features.space.impl.leave
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
-import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.produceState
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import dev.zacsweers.metro.Inject
+import androidx.compose.runtime.setValue
+import dev.zacsweers.metro.Assisted
+import dev.zacsweers.metro.AssistedFactory
+import dev.zacsweers.metro.AssistedInject
 import io.element.android.libraries.architecture.AsyncAction
 import io.element.android.libraries.architecture.AsyncData
 import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.architecture.map
 import io.element.android.libraries.architecture.runUpdatingState
 import io.element.android.libraries.matrix.api.core.RoomId
-import io.element.android.libraries.matrix.api.spaces.SpaceRoom
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
-import io.element.android.libraries.matrix.api.spaces.SpaceRoomList
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceRoom
-import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.ImmutableSet
 import kotlinx.collections.immutable.persistentSetOf
-import kotlinx.collections.immutable.toPersistentList
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.collections.immutable.toPersistentSet
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
-import kotlin.jvm.optionals.getOrNull
 
-@Inject
+@AssistedInject
 class LeaveSpacePresenter(
-    private val spaceRoomList: SpaceRoomList,
+    @Assisted private val leaveSpaceHandle: LeaveSpaceHandle,
 ) : Presenter<LeaveSpaceState> {
+    @AssistedFactory
+    fun interface Factory {
+        fun create(leaveSpaceHandle: LeaveSpaceHandle): LeaveSpacePresenter
+    }
+
     @Composable
     override fun present(): LeaveSpaceState {
         val coroutineScope = rememberCoroutineScope()
-        val currentSpace by spaceRoomList.currentSpaceFlow.collectAsState()
+        var currentSpace: LeaveSpaceRoom? by remember { mutableStateOf(null) }
         val leaveSpaceAction = remember {
             mutableStateOf<AsyncAction<Unit>>(AsyncAction.Uninitialized)
         }
         val selectedRoomIds = remember {
             mutableStateOf<ImmutableSet<RoomId>>(persistentSetOf())
         }
-        val joinedSpaceRooms by produceState(emptyList()) {
+        val leaveSpaceRooms by produceState(AsyncData.Loading()) {
-            // TODO Get the joined room from the SDK, should also have the isLastAdmin boolean
+            val rooms = leaveSpaceHandle.rooms()
-            val rooms = emptyList<SpaceRoom>()
+            val (currentRoom, otherRooms) = rooms.getOrNull()
-            // By default select all rooms
+                .orEmpty()
-            selectedRoomIds.value = rooms.map { it.roomId }.toPersistentSet()
+                .partition { it.spaceRoom.roomId == leaveSpaceHandle.id }
-            value = rooms
+            currentSpace = currentRoom.firstOrNull()
+            // By default select all rooms that can be left
+            selectedRoomIds.value = otherRooms
+                .filter { it.isLastAdmin.not() }
+                .map { it.spaceRoom.roomId }
+                .toPersistentSet()
+            value = rooms.fold(
+                onSuccess = { AsyncData.Success(otherRooms) },
+                onFailure = { AsyncData.Failure(it) }
+            )
         }
-        val selectableSpaceRooms by produceState<AsyncData<ImmutableList<SelectableSpaceRoom>>>(
+        val selectableSpaceRooms by produceState(
-            initialValue = AsyncData.Uninitialized,
+            initialValue = AsyncData.Loading(),
-            key1 = joinedSpaceRooms,
+            key1 = leaveSpaceRooms,
             key2 = selectedRoomIds.value,
         ) {
-            value = AsyncData.Success(
+            value = leaveSpaceRooms.map { list ->
-                joinedSpaceRooms.map {
+                list.orEmpty().map { room ->
                     SelectableSpaceRoom(
-                        spaceRoom = it,
+                        spaceRoom = room.spaceRoom,
-                        // TODO Get this value from the SDK
+                        isLastAdmin = room.isLastAdmin,
-                        isLastAdmin = false,
+                        isSelected = selectedRoomIds.value.contains(room.spaceRoom.roomId),
-                        isSelected = selectedRoomIds.value.contains(it.roomId),
                     )
-                }.toPersistentList()
+                }.toImmutableList()
-            )
+            }
         }
 
         fun handleEvents(event: LeaveSpaceEvents) {
@@ -102,7 +116,8 @@ class LeaveSpacePresenter(
         }
 
         return LeaveSpaceState(
-            spaceName = currentSpace.getOrNull()?.name,
+            spaceName = currentSpace?.spaceRoom?.name,
+            isLastAdmin = currentSpace?.isLastAdmin == true,
             selectableSpaceRooms = selectableSpaceRooms,
             leaveSpaceAction = leaveSpaceAction.value,
             eventSink = ::handleEvents,
@@ -111,11 +126,10 @@ class LeaveSpacePresenter(
 
     private fun CoroutineScope.leaveSpace(
         leaveSpaceAction: MutableState<AsyncAction<Unit>>,
-        @Suppress("unused") selectedRoomIds: Set<RoomId>,
+        selectedRoomIds: Set<RoomId>,
     ) = launch {
         runUpdatingState(leaveSpaceAction) {
-            // TODO SDK API call to leave all the rooms and space
+            leaveSpaceHandle.leave(selectedRoomIds.toList())
-            Result.failure(Exception("Not implemented"))
         }
     }
 }

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceState.kt

@@ -13,6 +13,7 @@ import kotlinx.collections.immutable.ImmutableList
 
 data class LeaveSpaceState(
     val spaceName: String?,
+    val isLastAdmin: Boolean,
     val selectableSpaceRooms: AsyncData<ImmutableList<SelectableSpaceRoom>>,
     val leaveSpaceAction: AsyncAction<Unit>,
     val eventSink: (LeaveSpaceEvents) -> Unit,
@@ -25,7 +26,12 @@ data class LeaveSpaceState(
     /**
      * True if we should show the quick action to select/deselect all rooms.
      */
-    val showQuickAction = selectableRooms.isNotEmpty()
+    val showQuickAction = isLastAdmin.not() && selectableRooms.isNotEmpty()
+
+    /**
+     * True if we should show the leave button.
+     */
+    val showLeaveButton = isLastAdmin.not() && selectableSpaceRooms is AsyncData.Success
 
     /**
      * True if there all the selectable rooms are selected.

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceStateProvider.kt

@@ -105,15 +105,20 @@ class LeaveSpaceStateProvider : PreviewParameterProvider<LeaveSpaceState> {
             aLeaveSpaceState(
                 selectableSpaceRooms = AsyncData.Failure(Exception("An error")),
             ),
+            aLeaveSpaceState(
+                isLastAdmin = true,
+            ),
         )
 }
 
 fun aLeaveSpaceState(
     spaceName: String? = "Space name",
+    isLastAdmin: Boolean = false,
     selectableSpaceRooms: AsyncData<ImmutableList<SelectableSpaceRoom>> = AsyncData.Uninitialized,
     leaveSpaceAction: AsyncAction<Unit> = AsyncAction.Uninitialized,
 ) = LeaveSpaceState(
     spaceName = spaceName,
+    isLastAdmin = isLastAdmin,
     selectableSpaceRooms = selectableSpaceRooms,
     leaveSpaceAction = leaveSpaceAction,
     eventSink = { }

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceView.kt

@@ -9,8 +9,10 @@
 
 package io.element.android.features.space.impl.leave
 
+import androidx.annotation.StringRes
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
@@ -85,41 +87,42 @@ fun LeaveSpaceView(
                 .imePadding()
                 .consumeWindowInsets(padding)
                 .fillMaxSize()
-                .padding(16.dp)
         ) {
             LazyColumn(
                 modifier = Modifier
                     .weight(1f),
             ) {
-                when (state.selectableSpaceRooms) {
+                if (state.isLastAdmin.not()) {
-                    is AsyncData.Success -> {
+                    when (state.selectableSpaceRooms) {
-                        // List rooms where the user is the only admin
+                        is AsyncData.Success -> {
-                        state.selectableSpaceRooms.data.forEach { selectableSpaceRoom ->
+                            // List rooms where the user is the only admin
-                            item {
+                            state.selectableSpaceRooms.data.forEach { selectableSpaceRoom ->
-                                SpaceItem(
+                                item {
-                                    selectableSpaceRoom = selectableSpaceRoom,
+                                    SpaceItem(
-                                    showCheckBox = state.hasOnlyLastAdminRoom.not(),
+                                        selectableSpaceRoom = selectableSpaceRoom,
-                                    onClick = {
+                                        showCheckBox = state.hasOnlyLastAdminRoom.not(),
-                                        state.eventSink(LeaveSpaceEvents.ToggleRoomSelection(selectableSpaceRoom.spaceRoom.roomId))
+                                        onClick = {
-                                    }
+                                            state.eventSink(LeaveSpaceEvents.ToggleRoomSelection(selectableSpaceRoom.spaceRoom.roomId))
-                                )
+                                        }
+                                    )
+                                }
                             }
                         }
-                    }
+                        is AsyncData.Failure -> item {
-                    is AsyncData.Failure -> item {
+                            AsyncFailure(
-                        AsyncFailure(
+                                throwable = state.selectableSpaceRooms.error,
-                            throwable = state.selectableSpaceRooms.error,
+                                onRetry = null,
-                            onRetry = null,
+                            )
-                        )
+                        }
-                    }
+                        is AsyncData.Loading,
-                    is AsyncData.Loading,
+                        AsyncData.Uninitialized -> item {
-                    AsyncData.Uninitialized -> item {
+                            AsyncLoading()
-                        AsyncLoading()
+                        }
                     }
                 }
             }
             LeaveSpaceButtons(
-                showLeaveButton = state.selectableSpaceRooms is AsyncData.Success,
+                showLeaveButton = state.showLeaveButton,
                 selectedRoomsCount = state.selectedRoomsCount,
                 onLeaveSpace = {
                     state.eventSink(LeaveSpaceEvents.LeaveSpace)
@@ -132,6 +135,7 @@ fun LeaveSpaceView(
     AsyncActionView(
         async = state.leaveSpaceAction,
         onSuccess = { /* Nothing to do, the screen will be dismissed automatically */ },
+        errorMessage = { stringResource(CommonStrings.error_unknown) },
         onErrorDismiss = { state.eventSink(LeaveSpaceEvents.CloseError) },
     )
 }
@@ -152,11 +156,13 @@ private fun LeaveSpaceHeader(
             modifier = Modifier.padding(top = 0.dp, bottom = 8.dp, start = 24.dp, end = 24.dp),
             iconStyle = BigIcon.Style.AlertSolid,
             title = stringResource(
-                R.string.screen_leave_space_title,
+                if (state.isLastAdmin) R.string.screen_leave_space_title_last_admin else R.string.screen_leave_space_title,
                 state.spaceName ?: stringResource(CommonStrings.common_space)
             ),
             subTitle =
-                if (state.selectableSpaceRooms is AsyncData.Success && state.selectableSpaceRooms.data.isNotEmpty()) {
+                if (state.isLastAdmin) {
+                    stringResource(R.string.screen_leave_space_subtitle_last_admin)
+                } else if (state.selectableSpaceRooms is AsyncData.Success && state.selectableSpaceRooms.data.isNotEmpty()) {
                     if (state.hasOnlyLastAdminRoom) {
                         stringResource(R.string.screen_leave_space_subtitle_only_last_admin)
                     } else {
@@ -168,34 +174,35 @@ private fun LeaveSpaceHeader(
         )
         if (state.showQuickAction) {
             if (state.areAllSelected) {
-                Text(
+                QuickActionButton(CommonStrings.common_deselect_all) {
-                    modifier = Modifier
+                    state.eventSink(LeaveSpaceEvents.DeselectAllRooms)
-                        .align(Alignment.End)
+                }
-                        .clickable {
-                            state.eventSink(LeaveSpaceEvents.DeselectAllRooms)
-                        }
-                        .padding(vertical = 8.dp, horizontal = 8.dp),
-                    text = stringResource(CommonStrings.common_deselect_all),
-                    color = ElementTheme.colors.textActionPrimary,
-                    style = ElementTheme.typography.fontBodyMdMedium,
-                )
             } else {
-                Text(
+                QuickActionButton(resId = CommonStrings.common_select_all) {
-                    modifier = Modifier
+                    state.eventSink(LeaveSpaceEvents.SelectAllRooms)
-                        .align(Alignment.End)
+                }
-                        .clickable {
-                            state.eventSink(LeaveSpaceEvents.SelectAllRooms)
-                        }
-                        .padding(vertical = 8.dp, horizontal = 8.dp),
-                    text = stringResource(CommonStrings.common_select_all),
-                    color = ElementTheme.colors.textActionPrimary,
-                    style = ElementTheme.typography.fontBodyMdMedium,
-                )
             }
         }
     }
 }
 
+@Composable
+private fun ColumnScope.QuickActionButton(
+    @StringRes resId: Int,
+    onClick: () -> Unit,
+) {
+    Text(
+        modifier = Modifier
+            .align(Alignment.End)
+            .padding(end = 8.dp)
+            .clickable(onClick = onClick)
+            .padding(8.dp),
+        text = stringResource(resId),
+        color = ElementTheme.colors.textActionPrimary,
+        style = ElementTheme.typography.fontBodyMdMedium,
+    )
+}
+
 @Composable
 private fun LeaveSpaceButtons(
     showLeaveButton: Boolean,
@@ -204,7 +211,7 @@ private fun LeaveSpaceButtons(
     onCancel: () -> Unit,
 ) {
     ButtonColumnMolecule(
-        modifier = Modifier.padding(top = 16.dp)
+        modifier = Modifier.padding(16.dp)
     ) {
         if (showLeaveButton) {
             val text = if (selectedRoomsCount > 0) {
@@ -220,6 +227,8 @@ private fun LeaveSpaceButtons(
                 destructive = true,
             )
         }
+        // TODO For least admin space, add a button to open the settings.
+        // See https://www.figma.com/design/kcnHxunG1LDWXsJhaNuiHz/ER-145--Spaces-on-Element-X?node-id=4622-59600
         TextButton(
             modifier = Modifier.fillMaxWidth(),
             text = stringResource(CommonStrings.action_cancel),
@@ -302,18 +311,15 @@ private fun SpaceItem(
                     )
                 }
                 // Number of members
-                val subTitle = buildString {
+                val membersCount = pluralStringResource(
-                    append(
+                    CommonPlurals.common_member_count,
-                        pluralStringResource(
+                    room.numJoinedMembers,
-                            CommonPlurals.common_member_count,
+                    room.numJoinedMembers
-                            room.numJoinedMembers,
+                )
-                            room.numJoinedMembers
+                val subTitle = if (selectableSpaceRoom.isLastAdmin) {
-                        )
+                    stringResource(R.string.screen_leave_space_last_admin_info, membersCount)
-                    )
+                } else {
-                    if (selectableSpaceRoom.isLastAdmin) {
+                    membersCount
-                        append(" ")
-                        append(stringResource(R.string.screen_leave_space_last_admin_info))
-                    }
                 }
                 Text(
                     modifier = Modifier.padding(end = 16.dp),

features/space/impl/src/main/kotlin/io/element/android/features/space/impl/root/SpaceView.kt

@@ -252,11 +252,16 @@ private fun SpaceViewTopBar(
                         showMenu = false
                         onLeaveSpaceClick()
                     },
-                    text = { Text(stringResource(id = CommonStrings.action_leave)) },
+                    text = {
+                        Text(
+                            text = stringResource(id = CommonStrings.action_leave),
+                            color = ElementTheme.colors.textCriticalPrimary,
+                        )
+                    },
                     leadingIcon = {
                         Icon(
                             imageVector = CompoundIcons.Leave(),
-                            tint = ElementTheme.colors.iconSecondary,
+                            tint = ElementTheme.colors.iconCriticalPrimary,
                             contentDescription = null,
                         )
                     }

features/space/impl/src/main/res/values/localazy.xml

@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
-  <string name="screen_leave_space_last_admin_info">"(Admin)"</string>
+  <string name="screen_leave_space_last_admin_info">"%1$s (Admin)"</string>
   <plurals name="screen_leave_space_submit">
     <item quantity="one">"Leave %1$d room and space"</item>
     <item quantity="other">"Leave %1$d rooms and space"</item>
   </plurals>
   <string name="screen_leave_space_subtitle">"Select the rooms you’d like to leave which you\'re not the only administrator for:"</string>
+  <string name="screen_leave_space_subtitle_last_admin">"You need to assign another admin for this space before you can leave."</string>
   <string name="screen_leave_space_subtitle_only_last_admin">"You will not be removed from the following room(s) because you\'re the only administrator:"</string>
   <string name="screen_leave_space_title">"Leave %1$s?"</string>
+  <string name="screen_leave_space_title_last_admin">"You are the only admin for %1$s"</string>
 </resources>

features/space/impl/src/test/kotlin/io/element/android/features/space/impl/leave/LeaveSpacePresenterTest.kt

@@ -5,60 +5,197 @@
  * Please see LICENSE files in the repository root for full details.
  */
 
-@file:OptIn(ExperimentalCoroutinesApi::class)
-
 package io.element.android.features.space.impl.leave
 
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.architecture.AsyncAction
-import io.element.android.libraries.architecture.AsyncData
+import io.element.android.libraries.matrix.api.core.RoomId
-import io.element.android.libraries.matrix.api.spaces.SpaceRoomList
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceRoom
+import io.element.android.libraries.matrix.api.spaces.SpaceRoom
+import io.element.android.libraries.matrix.test.AN_EXCEPTION
+import io.element.android.libraries.matrix.test.A_ROOM_ID
+import io.element.android.libraries.matrix.test.A_ROOM_ID_2
+import io.element.android.libraries.matrix.test.A_SPACE_ID
 import io.element.android.libraries.matrix.test.A_SPACE_NAME
-import io.element.android.libraries.matrix.test.spaces.FakeSpaceRoomList
+import io.element.android.libraries.matrix.test.spaces.FakeLeaveSpaceHandle
 import io.element.android.libraries.previewutils.room.aSpaceRoom
+import io.element.android.tests.testutils.lambda.lambdaRecorder
+import io.element.android.tests.testutils.lambda.value
 import io.element.android.tests.testutils.test
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.test.advanceUntilIdle
 import kotlinx.coroutines.test.runTest
 import org.junit.Test
 
 class LeaveSpacePresenterTest {
+    private val aSpace = aSpaceRoom(
+        roomId = A_SPACE_ID,
+        name = A_SPACE_NAME,
+    )
+
     @Test
     fun `present - initial state`() = runTest {
-        val presenter = createLeaveSpacePresenter()
+        val presenter = createLeaveSpacePresenter(
+            leaveSpaceHandle = FakeLeaveSpaceHandle(
+                roomsResult = { Result.success(emptyList()) },
+            ),
+        )
         presenter.test {
             val state = awaitItem()
             assertThat(state.spaceName).isNull()
-            assertThat(state.selectableSpaceRooms).isEqualTo(AsyncData.Uninitialized)
+            assertThat(state.isLastAdmin).isFalse()
+            assertThat(state.selectableSpaceRooms.isLoading()).isTrue()
             assertThat(state.leaveSpaceAction).isEqualTo(AsyncAction.Uninitialized)
-            skipItems(1)
+            cancelAndIgnoreRemainingEvents()
         }
     }
 
     @Test
-    fun `present - current space name`() = runTest {
+    fun `present - fail to load rooms`() = runTest {
-        val fakeSpaceRoomList = FakeSpaceRoomList()
         val presenter = createLeaveSpacePresenter(
-            spaceRoomList = fakeSpaceRoomList,
+            leaveSpaceHandle = FakeLeaveSpaceHandle(
+                roomsResult = { Result.failure(AN_EXCEPTION) },
+            )
         )
         presenter.test {
             val state = awaitItem()
-            advanceUntilIdle()
+            assertThat(state.selectableSpaceRooms.isLoading()).isTrue()
-            assertThat(state.spaceName).isNull()
+            assertThat(state.leaveSpaceAction).isEqualTo(AsyncAction.Uninitialized)
-            val aSpace = aSpaceRoom(
+            skipItems(2)
-                name = A_SPACE_NAME
+            val stateError = awaitItem()
+            assertThat(stateError.selectableSpaceRooms.isFailure()).isTrue()
+        }
+    }
+
+    @Test
+    fun `present - current space name and is last admin`() = runTest {
+        val presenter = createLeaveSpacePresenter(
+            leaveSpaceHandle = FakeLeaveSpaceHandle(
+                roomsResult = { Result.success(listOf(aLeaveSpaceRoom(spaceRoom = aSpace, isLastAdmin = true))) },
             )
-            fakeSpaceRoomList.emitCurrentSpace(aSpace)
+        )
+        presenter.test {
+            val state = awaitItem()
+            assertThat(state.spaceName).isNull()
+            skipItems(3)
+            val finalState = awaitItem()
+            assertThat(finalState.spaceName).isEqualTo(A_SPACE_NAME)
+            assertThat(finalState.isLastAdmin).isTrue()
+            // The current state is not in the sub room list
+            assertThat(finalState.selectableSpaceRooms.dataOrNull()!!).isEmpty()
+        }
+    }
+
+    @Test
+    fun `present - leave space and sub rooms`() = runTest {
+        val leaveResult = lambdaRecorder<List<RoomId>, Result<Unit>> { Result.success(Unit) }
+        val presenter = createLeaveSpacePresenter(
+            leaveSpaceHandle = FakeLeaveSpaceHandle(
+                roomsResult = {
+                    Result.success(
+                        listOf(
+                            LeaveSpaceRoom(aSpaceRoom(roomId = A_ROOM_ID), isLastAdmin = false),
+                            LeaveSpaceRoom(aSpaceRoom(roomId = A_ROOM_ID_2), isLastAdmin = true),
+                        )
+                    )
+                },
+                leaveResult = leaveResult,
+            )
+        )
+        presenter.test {
+            skipItems(4)
+            val state = awaitItem()
+            assertThat(state.spaceName).isNull()
+            assertThat(state.isLastAdmin).isFalse()
+            val data = state.selectableSpaceRooms.dataOrNull()!!
+            assertThat(data.size).isEqualTo(2)
+            // Only one room is selectable as the user is the last admin in the other one
+            val room1 = data[0]
+            assertThat(room1.spaceRoom.roomId).isEqualTo(A_ROOM_ID)
+            assertThat(room1.isSelected).isTrue()
+            assertThat(room1.isLastAdmin).isFalse()
+            val room2 = data[1]
+            assertThat(room2.spaceRoom.roomId).isEqualTo(A_ROOM_ID_2)
+            assertThat(room2.isSelected).isFalse()
+            assertThat(room2.isLastAdmin).isTrue()
+            // Deselect all
+            state.eventSink(LeaveSpaceEvents.DeselectAllRooms)
             skipItems(1)
-            assertThat(awaitItem().spaceName).isEqualTo(A_SPACE_NAME)
+            val stateAllDeselected = awaitItem()
+            val dataAllDeselected = stateAllDeselected.selectableSpaceRooms.dataOrNull()!!
+            assertThat(dataAllDeselected.any { it.isSelected }).isFalse()
+            // Select all
+            stateAllDeselected.eventSink(LeaveSpaceEvents.SelectAllRooms)
+            skipItems(1)
+            val stateAllSelected = awaitItem()
+            val dataAllSelected = stateAllSelected.selectableSpaceRooms.dataOrNull()!!
+            // The last admin room should not be selected
+            assertThat(dataAllSelected.count { it.isSelected }).isEqualTo(1)
+            // Toggle selection of the first room
+            stateAllSelected.eventSink(LeaveSpaceEvents.ToggleRoomSelection(A_ROOM_ID))
+            skipItems(1)
+            val stateOneDeselected = awaitItem()
+            val dataOneDeselected = stateOneDeselected.selectableSpaceRooms.dataOrNull()!!
+            assertThat(dataOneDeselected[0].isSelected).isFalse()
+            // Toggle selection of the first room
+            stateOneDeselected.eventSink(LeaveSpaceEvents.ToggleRoomSelection(A_ROOM_ID))
+            skipItems(1)
+            val stateOneSelected = awaitItem()
+            val dataOneSelected = stateOneSelected.selectableSpaceRooms.dataOrNull()!!
+            assertThat(dataOneSelected[0].isSelected).isTrue()
+            // Leave space
+            stateOneSelected.eventSink(LeaveSpaceEvents.LeaveSpace)
+            val stateLeaving = awaitItem()
+            assertThat(stateLeaving.leaveSpaceAction).isEqualTo(AsyncAction.Loading)
+            val stateLeft = awaitItem()
+            assertThat(stateLeft.leaveSpaceAction.isSuccess()).isTrue()
+            leaveResult.assertions().isCalledOnce().with(
+                value(listOf(A_ROOM_ID))
+            )
+        }
+    }
+
+    @Test
+    fun `present - leave space error and close`() = runTest {
+        val leaveResult = lambdaRecorder<List<RoomId>, Result<Unit>> {
+            Result.failure(AN_EXCEPTION)
+        }
+        val presenter = createLeaveSpacePresenter(
+            leaveSpaceHandle = FakeLeaveSpaceHandle(
+                roomsResult = { Result.success(emptyList()) },
+                leaveResult = leaveResult,
+            )
+        )
+        presenter.test {
+            skipItems(3)
+            val state = awaitItem()
+            state.eventSink(LeaveSpaceEvents.LeaveSpace)
+            val stateLeaving = awaitItem()
+            assertThat(stateLeaving.leaveSpaceAction).isEqualTo(AsyncAction.Loading)
+            val stateError = awaitItem()
+            assertThat(stateError.leaveSpaceAction.isFailure()).isTrue()
+            // Close error
+            stateError.eventSink(LeaveSpaceEvents.CloseError)
+            val stateErrorClosed = awaitItem()
+            assertThat(stateErrorClosed.leaveSpaceAction).isEqualTo(AsyncAction.Uninitialized)
         }
     }
 
     private fun createLeaveSpacePresenter(
-        spaceRoomList: SpaceRoomList = FakeSpaceRoomList(),
+        leaveSpaceHandle: LeaveSpaceHandle = FakeLeaveSpaceHandle(),
     ): LeaveSpacePresenter {
         return LeaveSpacePresenter(
-            spaceRoomList = spaceRoomList,
+            leaveSpaceHandle = leaveSpaceHandle,
         )
     }
 }
+
+private fun aLeaveSpaceRoom(
+    spaceRoom: SpaceRoom = aSpaceRoom(
+        roomId = A_SPACE_ID,
+        name = A_SPACE_NAME,
+    ),
+    isLastAdmin: Boolean = false,
+) = LeaveSpaceRoom(
+    spaceRoom = spaceRoom,
+    isLastAdmin = isLastAdmin,
+)

features/space/impl/src/test/kotlin/io/element/android/features/space/impl/leave/LeaveSpaceStateTest.kt

@@ -20,6 +20,7 @@ class LeaveSpaceStateTest {
             selectableSpaceRooms = AsyncData.Loading()
         )
         assertThat(sut.showQuickAction).isFalse()
+        assertThat(sut.showLeaveButton).isFalse()
         assertThat(sut.areAllSelected).isTrue()
         assertThat(sut.hasOnlyLastAdminRoom).isFalse()
         assertThat(sut.selectedRoomsCount).isEqualTo(0)
@@ -33,11 +34,29 @@ class LeaveSpaceStateTest {
             )
         )
         assertThat(sut.showQuickAction).isFalse()
+        assertThat(sut.showLeaveButton).isTrue()
         assertThat(sut.areAllSelected).isTrue()
         assertThat(sut.hasOnlyLastAdminRoom).isFalse()
         assertThat(sut.selectedRoomsCount).isEqualTo(0)
     }
 
+    @Test
+    fun `test last admin`() {
+        val sut = aLeaveSpaceState(
+            isLastAdmin = true,
+            selectableSpaceRooms = AsyncData.Success(
+                persistentListOf(
+                    aSelectableSpaceRoom(isLastAdmin = false, isSelected = false),
+                )
+            )
+        )
+        assertThat(sut.showQuickAction).isFalse()
+        assertThat(sut.showLeaveButton).isFalse()
+        assertThat(sut.areAllSelected).isFalse()
+        assertThat(sut.hasOnlyLastAdminRoom).isFalse()
+        assertThat(sut.selectedRoomsCount).isEqualTo(0)
+    }
+
     @Test
     fun `test no last admin, 1 selected, 1 not selected`() {
         val sut = aLeaveSpaceState(
@@ -49,6 +68,7 @@ class LeaveSpaceStateTest {
             )
         )
         assertThat(sut.showQuickAction).isTrue()
+        assertThat(sut.showLeaveButton).isTrue()
         assertThat(sut.areAllSelected).isFalse()
         assertThat(sut.hasOnlyLastAdminRoom).isFalse()
         assertThat(sut.selectedRoomsCount).isEqualTo(1)
@@ -65,6 +85,7 @@ class LeaveSpaceStateTest {
             )
         )
         assertThat(sut.showQuickAction).isTrue()
+        assertThat(sut.showLeaveButton).isTrue()
         assertThat(sut.areAllSelected).isTrue()
         assertThat(sut.hasOnlyLastAdminRoom).isFalse()
         assertThat(sut.selectedRoomsCount).isEqualTo(2)
@@ -82,6 +103,7 @@ class LeaveSpaceStateTest {
             )
         )
         assertThat(sut.showQuickAction).isTrue()
+        assertThat(sut.showLeaveButton).isTrue()
         assertThat(sut.areAllSelected).isTrue()
         assertThat(sut.hasOnlyLastAdminRoom).isFalse()
         assertThat(sut.selectedRoomsCount).isEqualTo(2)
@@ -98,6 +120,7 @@ class LeaveSpaceStateTest {
             )
         )
         assertThat(sut.showQuickAction).isFalse()
+        assertThat(sut.showLeaveButton).isTrue()
         assertThat(sut.areAllSelected).isTrue()
         assertThat(sut.hasOnlyLastAdminRoom).isTrue()
         assertThat(sut.selectedRoomsCount).isEqualTo(0)

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

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.api.spaces
+
+import io.element.android.libraries.matrix.api.core.RoomId
+
+interface LeaveSpaceHandle {
+    /**
+     * The id of the space to leave.
+     */
+    val id: RoomId
+
+    /**
+     * Get a list of rooms that can be left when leaving the space.
+     * It will include the current space and all the subspaces and rooms that the user has joined.
+     */
+    suspend fun rooms(): Result<List<LeaveSpaceRoom>>
+
+    /**
+     * Leave the space and the given rooms.
+     * If [roomIds] is empty, only the space will be left.
+     */
+    suspend fun leave(roomIds: List<RoomId>): Result<Unit>
+
+    /**
+     * Close the handle and free resources.
+     */
+    fun close()
+}

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

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.api.spaces
+
+data class LeaveSpaceRoom(
+    val spaceRoom: SpaceRoom,
+    val isLastAdmin: Boolean,
+)

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

@@ -15,4 +15,6 @@ interface SpaceService {
     suspend fun joinedSpaces(): Result<List<SpaceRoom>>
 
     fun spaceRoomList(id: RoomId): SpaceRoomList
+
+    fun getLeaveSpaceHandle(spaceId: RoomId): LeaveSpaceHandle
 }

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

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.impl.spaces
+
+import io.element.android.libraries.core.extensions.runCatchingExceptions
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceRoom
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.launch
+import timber.log.Timber
+import org.matrix.rustcomponents.sdk.LeaveSpaceHandle as RustLeaveSpaceHandle
+
+class RustLeaveSpaceHandle(
+    override val id: RoomId,
+    private val spaceRoomMapper: SpaceRoomMapper,
+    sessionCoroutineScope: CoroutineScope,
+    private val innerProvider: suspend () -> RustLeaveSpaceHandle,
+) : LeaveSpaceHandle {
+    private val inner = CompletableDeferred<RustLeaveSpaceHandle>()
+
+    init {
+        sessionCoroutineScope.launch {
+            inner.complete(innerProvider())
+        }
+    }
+
+    override suspend fun rooms(): Result<List<LeaveSpaceRoom>> = runCatchingExceptions {
+        inner.await().rooms().map { leaveSpaceRoom ->
+            LeaveSpaceRoom(
+                spaceRoom = spaceRoomMapper.map(leaveSpaceRoom.spaceRoom),
+                isLastAdmin = leaveSpaceRoom.isLastAdmin,
+            )
+        }
+    }
+
+    override suspend fun leave(roomIds: List<RoomId>): Result<Unit> = runCatchingExceptions {
+        // Ensure the space is included and is the last room to be left
+        val roomToLeave = roomIds - id + id
+        inner.await().leave(roomToLeave.map { it.value })
+    }
+
+    @OptIn(ExperimentalCoroutinesApi::class)
+    override fun close() {
+        Timber.d("Destroying LeaveSpaceHandle $id")
+        try {
+            inner.getCompleted().destroy()
+        } catch (_: Exception) {
+            // Ignore, we just want to make sure it's completed
+        }
+    }
+}

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

@@ -10,6 +10,7 @@ package io.element.android.libraries.matrix.impl.spaces
 import io.element.android.libraries.core.coroutine.childScope
 import io.element.android.libraries.core.extensions.runCatchingExceptions
 import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
 import io.element.android.libraries.matrix.api.spaces.SpaceRoom
 import io.element.android.libraries.matrix.api.spaces.SpaceRoomList
 import io.element.android.libraries.matrix.api.spaces.SpaceService
@@ -64,6 +65,16 @@ class RustSpaceService(
         )
     }
 
+    override fun getLeaveSpaceHandle(spaceId: RoomId): LeaveSpaceHandle {
+        return RustLeaveSpaceHandle(
+            id = spaceId,
+            spaceRoomMapper = spaceRoomMapper,
+            sessionCoroutineScope = sessionCoroutineScope,
+        ) {
+            innerSpaceService.leaveSpace(spaceId.value)
+        }
+    }
+
     init {
         innerSpaceService
             .spaceListUpdate()

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

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.test.spaces
+
+import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceRoom
+import io.element.android.libraries.matrix.test.A_SPACE_ID
+import io.element.android.tests.testutils.lambda.lambdaError
+import io.element.android.tests.testutils.simulateLongTask
+
+class FakeLeaveSpaceHandle(
+    override val id: RoomId = A_SPACE_ID,
+    private val roomsResult: () -> Result<List<LeaveSpaceRoom>> = { lambdaError() },
+    private val leaveResult: (List<RoomId>) -> Result<Unit> = { lambdaError() },
+    private val closeResult: () -> Unit = { lambdaError() },
+) : LeaveSpaceHandle {
+    override suspend fun rooms(): Result<List<LeaveSpaceRoom>> = simulateLongTask {
+        roomsResult()
+    }
+
+    override suspend fun leave(roomIds: List<RoomId>): Result<Unit> = simulateLongTask {
+        leaveResult(roomIds)
+    }
+
+    override fun close() {
+        return closeResult()
+    }
+}

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

@@ -8,6 +8,7 @@
 package io.element.android.libraries.matrix.test.spaces
 
 import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.spaces.LeaveSpaceHandle
 import io.element.android.libraries.matrix.api.spaces.SpaceRoom
 import io.element.android.libraries.matrix.api.spaces.SpaceRoomList
 import io.element.android.libraries.matrix.api.spaces.SpaceService
@@ -20,6 +21,7 @@ import kotlinx.coroutines.flow.asSharedFlow
 class FakeSpaceService(
     private val joinedSpacesResult: () -> Result<List<SpaceRoom>> = { lambdaError() },
     private val spaceRoomListResult: (RoomId) -> SpaceRoomList = { lambdaError() },
+    private val leaveSpaceHandleResult: (RoomId) -> LeaveSpaceHandle = { lambdaError() },
 ) : SpaceService {
     private val _spaceRoomsFlow = MutableSharedFlow<List<SpaceRoom>>()
     override val spaceRoomsFlow: SharedFlow<List<SpaceRoom>>
@@ -36,4 +38,8 @@ class FakeSpaceService(
     override fun spaceRoomList(id: RoomId): SpaceRoomList {
         return spaceRoomListResult(id)
     }
+
+    override fun getLeaveSpaceHandle(spaceId: RoomId): LeaveSpaceHandle {
+        return leaveSpaceHandleResult(spaceId)
+    }
 }