Let JoinRoomView render the InviteSender

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt

@@ -38,7 +38,11 @@ import io.element.android.libraries.matrix.api.core.toRoomIdOrAlias
 import io.element.android.libraries.matrix.api.room.CurrentUserMembership
 import io.element.android.libraries.matrix.api.room.MatrixRoomInfo
 import io.element.android.libraries.matrix.api.room.preview.RoomPreview
+import io.element.android.libraries.matrix.ui.model.InviteSender
+import io.element.android.libraries.matrix.ui.model.toInviteSender
+import kotlinx.coroutines.flow.first
 import java.util.Optional
+import kotlin.jvm.optionals.getOrNull
 
 class JoinRoomPresenter @AssistedInject constructor(
     @Assisted private val roomId: RoomId,
@@ -74,10 +78,22 @@ class JoinRoomPresenter @AssistedInject constructor(
                 else -> {
                     value = ContentState.Loading(roomIdOrAlias)
                     val result = matrixClient.getRoomPreview(roomId.toRoomIdOrAlias())
-                    value = result.fold(
+                    result.fold(
-                        onSuccess = { it.toContentState() },
+                        onSuccess = {
+                            value = it.toContentState(null)
+                            if (it.isInvited) {
+                                // Get the inviteSender
+                                matrixClient.getRoomInfoFlow(roomId).first()
+                                    .getOrNull()
+                                    ?.inviter
+                                    ?.toInviteSender()
+                                    ?.let { inviteSender ->
+                                        value = it.toContentState(inviteSender)
+                                    }
+                            }
+                        },
                         onFailure = { throwable ->
-                            if (throwable.message?.contains("403") == true) {
+                            value = if (throwable.message?.contains("403") == true) {
                                 ContentState.UnknownRoom(roomIdOrAlias)
                             } else {
                                 ContentState.Failure(roomIdOrAlias, throwable)
@@ -118,7 +134,9 @@ class JoinRoomPresenter @AssistedInject constructor(
     }
 }
 
-private fun RoomPreview.toContentState(): ContentState {
+private fun RoomPreview.toContentState(
+    inviteSender: InviteSender?
+): ContentState {
     return ContentState.Loaded(
         roomId = roomId,
         name = name,
@@ -128,7 +146,7 @@ private fun RoomPreview.toContentState(): ContentState {
         isDirect = false,
         roomAvatarUrl = avatarUrl,
         joinAuthorisationStatus = when {
-            isInvited -> JoinAuthorisationStatus.IsInvited
+            isInvited -> JoinAuthorisationStatus.IsInvited(inviteSender)
             canKnock -> JoinAuthorisationStatus.CanKnock
             isPublic -> JoinAuthorisationStatus.CanJoin
             else -> JoinAuthorisationStatus.Unknown
@@ -165,7 +183,9 @@ internal fun MatrixRoomInfo.toContentState(): ContentState {
         isDirect = isDirect,
         roomAvatarUrl = avatarUrl,
         joinAuthorisationStatus = when {
-            currentUserMembership == CurrentUserMembership.INVITED -> JoinAuthorisationStatus.IsInvited
+            currentUserMembership == CurrentUserMembership.INVITED -> JoinAuthorisationStatus.IsInvited(
+                inviteSender = inviter?.toInviteSender()
+            )
             isPublic -> JoinAuthorisationStatus.CanJoin
             else -> JoinAuthorisationStatus.Unknown
         }

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt

@@ -23,6 +23,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
+import io.element.android.libraries.matrix.ui.model.InviteSender
 
 @Immutable
 data class JoinRoomState(
@@ -71,9 +72,9 @@ sealed interface ContentState {
     }
 }
 
-enum class JoinAuthorisationStatus {
+sealed interface JoinAuthorisationStatus {
-    IsInvited,
+    data class IsInvited(val inviteSender: InviteSender?) : JoinAuthorisationStatus
-    CanKnock,
+    data object CanKnock : JoinAuthorisationStatus
-    CanJoin,
+    data object CanJoin : JoinAuthorisationStatus
-    Unknown,
+    data object Unknown : JoinAuthorisationStatus
 }

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt

@@ -19,10 +19,14 @@ package io.element.android.features.joinroom.impl
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
 import io.element.android.features.invite.api.response.AcceptDeclineInviteState
 import io.element.android.features.invite.api.response.anAcceptDeclineInviteState
+import io.element.android.libraries.designsystem.components.avatar.AvatarData
+import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
+import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.core.toRoomIdOrAlias
+import io.element.android.libraries.matrix.ui.model.InviteSender
 
 open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
     override val values: Sequence<JoinRoomState>
@@ -48,7 +52,10 @@ open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
                 )
             ),
             aJoinRoomState(
-                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited)
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited(null))
+            ),
+            aJoinRoomState(
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited(anInviteSender()))
             ),
             aJoinRoomState(
                 contentState = aFailureContentState()
@@ -102,5 +109,15 @@ fun aJoinRoomState(
     eventSink = eventSink
 )
 
+internal fun anInviteSender(
+    userId: UserId = UserId("@bob:domain"),
+    displayName: String = "Bob",
+    avatarData: AvatarData = AvatarData(userId.value, displayName, size = AvatarSize.InviteSender),
+) = InviteSender(
+    userId = userId,
+    displayName = displayName,
+    avatarData = avatarData,
+)
+
 private val A_ROOM_ID = RoomId("!exa:matrix.org")
 private val A_ROOM_ALIAS = RoomAlias("#exa:matrix.org")

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt

@@ -17,11 +17,13 @@
 package io.element.android.features.joinroom.impl
 
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
@@ -47,6 +49,7 @@ import io.element.android.libraries.designsystem.theme.components.OutlinedButton
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
+import io.element.android.libraries.matrix.ui.components.InviteSenderView
 import io.element.android.libraries.ui.strings.CommonStrings
 
 @Composable
@@ -103,7 +106,7 @@ private fun JoinRoomFooter(
     } else {
         val joinAuthorisationStatus = state.joinAuthorisationStatus
         when (joinAuthorisationStatus) {
-            JoinAuthorisationStatus.IsInvited -> {
+            is JoinAuthorisationStatus.IsInvited -> {
                 ButtonRowMolecule(modifier = modifier, horizontalArrangement = Arrangement.spacedBy(20.dp)) {
                     OutlinedButton(
                         text = stringResource(CommonStrings.action_decline),
@@ -159,7 +162,16 @@ private fun JoinRoomContent(
                     RoomPreviewTitleAtom(contentState.computedTitle)
                 },
                 subtitle = {
-                    RoomPreviewSubtitleAtom(contentState.computedSubtitle)
+                    Column(
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.spacedBy(8.dp),
+                    ) {
+                        RoomPreviewSubtitleAtom(contentState.computedSubtitle)
+                        val inviteSender = (contentState.joinAuthorisationStatus as? JoinAuthorisationStatus.IsInvited)?.inviteSender
+                        if (inviteSender != null) {
+                            InviteSenderView(inviteSender = inviteSender)
+                        }
+                    }
                 },
                 description = {
                     RoomPreviewDescriptionAtom(contentState.topic ?: "")

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenterTest.kt

@@ -101,7 +101,7 @@ class JoinRoomPresenterTest {
         presenter.test {
             skipItems(1)
             awaitItem().also { state ->
-                assertThat(state.joinAuthorisationStatus).isEqualTo(JoinAuthorisationStatus.IsInvited)
+                assertThat(state.joinAuthorisationStatus).isEqualTo(JoinAuthorisationStatus.IsInvited(null))
             }
         }
     }

features/joinroom/impl/src/test/kotlin/io/element/android/features/joinroom/impl/JoinRoomViewTest.kt

@@ -80,7 +80,7 @@ class JoinRoomViewTest {
         val eventsRecorder = EventsRecorder<JoinRoomEvents>()
         rule.setJoinRoomView(
             aJoinRoomState(
-                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited),
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited(null)),
                 eventSink = eventsRecorder,
             ),
         )
@@ -93,7 +93,7 @@ class JoinRoomViewTest {
         val eventsRecorder = EventsRecorder<JoinRoomEvents>()
         rule.setJoinRoomView(
             aJoinRoomState(
-                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited),
+                contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited(null)),
                 eventSink = eventsRecorder,
             ),
         )

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/components/RoomSummaryRow.kt

@@ -66,7 +66,8 @@ import io.element.android.libraries.designsystem.theme.roomListRoomName
 import io.element.android.libraries.designsystem.theme.unreadIndicator
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.matrix.ui.components.InviteSender
+import io.element.android.libraries.matrix.ui.components.InviteSenderView
+import io.element.android.libraries.matrix.ui.model.InviteSender
 import io.element.android.libraries.ui.strings.CommonStrings
 import timber.log.Timber
 
@@ -96,7 +97,10 @@ internal fun RoomSummaryRow(
                 InviteSubtitle(isDirect = room.isDirect, inviteSender = room.inviteSender, canonicalAlias = room.canonicalAlias)
                 if (!room.isDirect && room.inviteSender != null) {
                     Spacer(modifier = Modifier.height(4.dp))
-                    InviteSenderRow(sender = room.inviteSender)
+                    InviteSenderView(
+                        modifier = Modifier.fillMaxWidth(),
+                        inviteSender = room.inviteSender,
+                    )
                 }
                 Spacer(modifier = Modifier.height(12.dp))
                 InviteButtonsRow(
@@ -290,24 +294,6 @@ private fun InviteNameAndIndicatorRow(
     }
 }
 
-@Composable
-private fun InviteSenderRow(
-    sender: InviteSender,
-    modifier: Modifier = Modifier
-) {
-    Row(
-        horizontalArrangement = Arrangement.spacedBy(4.dp),
-        modifier = modifier.fillMaxWidth(),
-    ) {
-        Avatar(avatarData = sender.avatarData)
-        Text(
-            text = sender.annotatedString(),
-            style = ElementTheme.typography.fontBodyMdRegular,
-            color = MaterialTheme.colorScheme.secondary,
-        )
-    }
-}
-
 @Composable
 private fun InviteButtonsRow(
     onAcceptClicked: () -> Unit,

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/datasource/RoomListRoomSummaryFactory.kt

@@ -26,7 +26,7 @@ import io.element.android.libraries.eventformatter.api.RoomLastMessageFormatter
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.room.CurrentUserMembership
 import io.element.android.libraries.matrix.api.roomlist.RoomSummary
-import io.element.android.libraries.matrix.ui.components.InviteSender
+import io.element.android.libraries.matrix.ui.model.toInviteSender
 import javax.inject.Inject
 
 class RoomListRoomSummaryFactory @Inject constructor(
@@ -83,18 +83,7 @@ class RoomListRoomSummaryFactory @Inject constructor(
             hasRoomCall = roomSummary.details.hasRoomCall,
             isDirect = roomSummary.details.isDirect,
             isFavorite = roomSummary.details.isFavorite,
-            inviteSender = roomSummary.details.inviter?.run {
+            inviteSender = roomSummary.details.inviter?.toInviteSender(),
-                InviteSender(
-                    userId = userId,
-                    displayName = displayName ?: "",
-                    avatarData = AvatarData(
-                        id = userId.value,
-                        name = displayName,
-                        url = avatarUrl,
-                        size = AvatarSize.InviteSender,
-                    ),
-                )
-            },
             isDm = roomSummary.details.isDm,
             canonicalAlias = roomSummary.details.canonicalAlias,
             displayType = if (roomSummary.details.currentUserMembership == CurrentUserMembership.INVITED) {

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/model/RoomListRoomSummary.kt

@@ -21,7 +21,7 @@ import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.matrix.ui.components.InviteSender
+import io.element.android.libraries.matrix.ui.model.InviteSender
 
 @Immutable
 data class RoomListRoomSummary(

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/model/RoomListRoomSummaryProvider.kt

@@ -23,7 +23,7 @@ import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.matrix.ui.components.InviteSender
+import io.element.android.libraries.matrix.ui.model.InviteSender
 
 open class RoomListRoomSummaryProvider : PreviewParameterProvider<RoomListRoomSummary> {
     override val values: Sequence<RoomListRoomSummary>

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/components/InviteSenderView.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2024 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.matrix.ui.components
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import io.element.android.compound.theme.ElementTheme
+import io.element.android.libraries.designsystem.components.avatar.Avatar
+import io.element.android.libraries.designsystem.components.avatar.AvatarData
+import io.element.android.libraries.designsystem.components.avatar.AvatarSize
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.ui.model.InviteSender
+
+@Composable
+fun InviteSenderView(
+    inviteSender: InviteSender,
+    modifier: Modifier = Modifier
+) {
+    Row(
+        horizontalArrangement = Arrangement.spacedBy(4.dp),
+        modifier = modifier,
+    ) {
+        Avatar(avatarData = inviteSender.avatarData)
+        Text(
+            text = inviteSender.annotatedString(),
+            style = ElementTheme.typography.fontBodyMdRegular,
+            color = MaterialTheme.colorScheme.secondary,
+        )
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun InviteSenderViewPreview() = ElementPreview {
+    InviteSenderView(
+        inviteSender = InviteSender(
+            userId = UserId("@bob:example.com"),
+            displayName = "Bob",
+            avatarData = AvatarData(
+                id = "@bob:example.com",
+                name = "Bob",
+                url = null,
+                size = AvatarSize.InviteSender
+            )
+        )
+    )
+}

libraries/matrixui/src/main/kotlin/io/element/android/libraries/matrix/ui/model/InviteSender.kt

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package io.element.android.libraries.matrix.ui.components
+package io.element.android.libraries.matrix.ui.model
 
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
@@ -25,7 +25,9 @@ import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.font.FontWeight
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
+import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.UserId
+import io.element.android.libraries.matrix.api.room.RoomMember
 import io.element.android.libraries.matrix.ui.R
 
 @Immutable
@@ -54,3 +56,14 @@ data class InviteSender(
         }
     }
 }
+
+fun RoomMember.toInviteSender() = InviteSender(
+    userId = userId,
+    displayName = displayName ?: "",
+    avatarData = AvatarData(
+        id = userId.value,
+        name = displayName,
+        url = avatarUrl,
+        size = AvatarSize.InviteSender,
+    ),
+)