Last event on room list

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomSummary.kt

@@ -16,8 +16,8 @@
 
 package im.vector.matrix.android.api.session.room.model
 
-import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.room.model.tag.RoomTag
+import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
 
 /**
  * This class holds some data of a room.
@@ -29,7 +29,7 @@ data class RoomSummary(
         val topic: String = "",
         val avatarUrl: String = "",
         val isDirect: Boolean = false,
-        val lastMessage: Event? = null,
+        val latestEvent: TimelineEvent? = null,
         val otherMemberIds: List<String> = emptyList(),
         val notificationCount: Int = 0,
         val highlightCount: Int = 0,

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/mapper/RoomSummaryMapper.kt

@@ -19,21 +19,26 @@ package im.vector.matrix.android.internal.database.mapper
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.tag.RoomTag
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
+import im.vector.matrix.android.internal.session.room.timeline.TimelineEventFactory
+import javax.inject.Inject
 
 
-internal object RoomSummaryMapper {
+internal class RoomSummaryMapper @Inject constructor(private val timelineEventFactory: TimelineEventFactory) {
 
     fun map(roomSummaryEntity: RoomSummaryEntity): RoomSummary {
         val tags = roomSummaryEntity.tags.map {
             RoomTag(it.tagName, it.tagOrder)
         }
+        val latestEvent = roomSummaryEntity.latestEvent?.let {
+            timelineEventFactory.create(it)
+        }
         return RoomSummary(
                 roomId = roomSummaryEntity.roomId,
                 displayName = roomSummaryEntity.displayName ?: "",
                 topic = roomSummaryEntity.topic ?: "",
                 avatarUrl = roomSummaryEntity.avatarUrl ?: "",
                 isDirect = roomSummaryEntity.isDirect,
-                lastMessage = roomSummaryEntity.lastMessage?.asDomain(),
+                latestEvent = latestEvent,
                 otherMemberIds = roomSummaryEntity.otherMemberIds.toList(),
                 highlightCount = roomSummaryEntity.highlightCount,
                 notificationCount = roomSummaryEntity.notificationCount,
@@ -42,7 +47,3 @@ internal object RoomSummaryMapper {
         )
     }
 }
-
-internal fun RoomSummaryEntity.asDomain(): RoomSummary {
-    return RoomSummaryMapper.map(this)
-}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/RoomSummaryEntity.kt

@@ -27,7 +27,7 @@ internal open class RoomSummaryEntity(@PrimaryKey var roomId: String = "",
                                       var displayName: String? = "",
                                       var avatarUrl: String? = "",
                                       var topic: String? = "",
-                                      var lastMessage: EventEntity? = null,
+                                      var latestEvent: EventEntity? = null,
                                       var heroes: RealmList<String> = RealmList(),
                                       var joinedMembersCount: Int? = 0,
                                       var invitedMembersCount: Int? = 0,

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/EventEntityQueries.kt

@@ -16,10 +16,12 @@
 
 package im.vector.matrix.android.internal.database.query
 
+import im.vector.matrix.android.internal.database.helper.addSendingEvent
 import im.vector.matrix.android.internal.database.model.ChunkEntity
 import im.vector.matrix.android.internal.database.model.EventEntity
 import im.vector.matrix.android.internal.database.model.EventEntity.LinkFilterMode.*
 import im.vector.matrix.android.internal.database.model.EventEntityFields
+import im.vector.matrix.android.internal.database.model.RoomEntity
 import io.realm.Realm
 import io.realm.RealmList
 import io.realm.RealmQuery
@@ -65,7 +67,14 @@ internal fun EventEntity.Companion.latestEvent(realm: Realm,
                                                roomId: String,
                                                includedTypes: List<String> = emptyList(),
                                                excludedTypes: List<String> = emptyList()): EventEntity? {
-    val query = ChunkEntity.findLastLiveChunkFromRoom(realm, roomId)?.events?.where()
+
+    val roomEntity = RoomEntity.where(realm, roomId).findFirst() ?: return null
+    val eventList = if (roomEntity.sendingTimelineEvents.isNotEmpty()) {
+        roomEntity.sendingTimelineEvents
+    } else {
+        ChunkEntity.findLastLiveChunkFromRoom(realm, roomId)?.events
+    }
+    val query = eventList?.where()
     if (includedTypes.isNotEmpty()) {
         query?.`in`(EventEntityFields.TYPE, includedTypes.toTypedArray())
     } else if (excludedTypes.isNotEmpty()) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/DefaultRoom.kt

@@ -29,7 +29,7 @@ import im.vector.matrix.android.api.session.room.send.SendService
 import im.vector.matrix.android.api.session.room.state.StateService
 import im.vector.matrix.android.api.session.room.timeline.TimelineService
 import im.vector.matrix.android.internal.database.RealmLiveData
-import im.vector.matrix.android.internal.database.mapper.asDomain
+import im.vector.matrix.android.internal.database.mapper.RoomSummaryMapper
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntityFields
 import im.vector.matrix.android.internal.database.query.where
@@ -38,6 +38,7 @@ import javax.inject.Inject
 
 internal class DefaultRoom @Inject constructor(override val roomId: String,
                                                private val monarchy: Monarchy,
+                                               private val roomSummaryMapper: RoomSummaryMapper,
                                                private val timelineService: TimelineService,
                                                private val sendService: SendService,
                                                private val stateService: StateService,
@@ -58,7 +59,7 @@ internal class DefaultRoom @Inject constructor(override val roomId: String,
             RoomSummaryEntity.where(realm, roomId).isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME)
         }
         Transformations.map(liveRealmData) { results ->
-            val roomSummaries = results.map { it.asDomain() }
+            val roomSummaries = results.map { roomSummaryMapper.map(it) }
 
             if (roomSummaries.isEmpty()) {
                 // Create a dummy RoomSummary to avoid Crash during Sign Out or clear cache
@@ -72,7 +73,7 @@ internal class DefaultRoom @Inject constructor(override val roomId: String,
     override val roomSummary: RoomSummary?
         get() {
             var sum: RoomSummaryEntity? = monarchy.fetchCopied { RoomSummaryEntity.where(it, roomId).isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME).findFirst() }
-            return sum?.asDomain()
+            return sum?.let { roomSummaryMapper.map(it) }
         }
 
     override fun isEncrypted(): Boolean {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/DefaultRoomService.kt

@@ -23,12 +23,11 @@ import im.vector.matrix.android.api.session.room.Room
 import im.vector.matrix.android.api.session.room.RoomService
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.create.CreateRoomParams
-import im.vector.matrix.android.internal.database.mapper.asDomain
+import im.vector.matrix.android.internal.database.mapper.RoomSummaryMapper
 import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.model.RoomSummaryEntityFields
 import im.vector.matrix.android.internal.database.query.where
-import im.vector.matrix.android.internal.session.SessionScope
 import im.vector.matrix.android.internal.session.room.create.CreateRoomTask
 import im.vector.matrix.android.internal.task.TaskExecutor
 import im.vector.matrix.android.internal.task.configureWith
@@ -36,6 +35,7 @@ import im.vector.matrix.android.internal.util.fetchManaged
 import javax.inject.Inject
 
 internal class DefaultRoomService @Inject constructor(private val monarchy: Monarchy,
+                                                      private val roomSummaryMapper: RoomSummaryMapper,
                                                       private val createRoomTask: CreateRoomTask,
                                                       private val roomFactory: RoomFactory,
                                                       private val taskExecutor: TaskExecutor) : RoomService {
@@ -55,7 +55,7 @@ internal class DefaultRoomService @Inject constructor(private val monarchy: Mona
     override fun liveRoomSummaries(): LiveData<List<RoomSummary>> {
         return monarchy.findAllMappedWithChanges(
                 { realm -> RoomSummaryEntity.where(realm).isNotEmpty(RoomSummaryEntityFields.DISPLAY_NAME) },
-                { it.asDomain() }
+                { roomSummaryMapper.map(it) }
         )
     }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomFactory.kt

@@ -21,6 +21,7 @@ import com.zhuinden.monarchy.Monarchy
 import im.vector.matrix.android.api.auth.data.Credentials
 import im.vector.matrix.android.api.session.crypto.CryptoService
 import im.vector.matrix.android.api.session.room.Room
+import im.vector.matrix.android.internal.database.mapper.RoomSummaryMapper
 import im.vector.matrix.android.internal.session.room.membership.DefaultMembershipService
 import im.vector.matrix.android.internal.session.room.membership.LoadRoomMembersTask
 import im.vector.matrix.android.internal.session.room.membership.SenderRoomMemberExtractor
@@ -38,8 +39,8 @@ import im.vector.matrix.android.internal.session.room.state.DefaultStateService
 import im.vector.matrix.android.internal.session.room.state.SendStateTask
 import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineService
 import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventTask
+import im.vector.matrix.android.internal.session.room.timeline.InMemoryTimelineEventFactory
 import im.vector.matrix.android.internal.session.room.timeline.PaginationTask
-import im.vector.matrix.android.internal.session.room.timeline.TimelineEventFactory
 import im.vector.matrix.android.internal.task.TaskExecutor
 import javax.inject.Inject
 
@@ -47,6 +48,7 @@ internal class RoomFactory @Inject constructor(private val context: Context,
                                                private val credentials: Credentials,
                                                private val monarchy: Monarchy,
                                                private val eventFactory: LocalEchoEventFactory,
+                                               private val roomSummaryMapper: RoomSummaryMapper,
                                                private val taskExecutor: TaskExecutor,
                                                private val loadRoomMembersTask: LoadRoomMembersTask,
                                                private val inviteTask: InviteTask,
@@ -61,9 +63,7 @@ internal class RoomFactory @Inject constructor(private val context: Context,
                                                private val leaveRoomTask: LeaveRoomTask) {
 
     fun create(roomId: String): Room {
-        val roomMemberExtractor = SenderRoomMemberExtractor(roomId)
-        val relationExtractor = EventRelationExtractor()
-        val timelineEventFactory = TimelineEventFactory(roomMemberExtractor, relationExtractor, cryptoService)
+        val timelineEventFactory = InMemoryTimelineEventFactory(SenderRoomMemberExtractor(), EventRelationExtractor(), cryptoService)
         val timelineService = DefaultTimelineService(roomId, monarchy, taskExecutor, timelineEventFactory, contextOfEventTask, paginationTask)
         val sendService = DefaultSendService(context, credentials, roomId, eventFactory, cryptoService, monarchy)
         val stateService = DefaultStateService(roomId, taskExecutor, sendStateTask)
@@ -74,6 +74,7 @@ internal class RoomFactory @Inject constructor(private val context: Context,
         return DefaultRoom(
                 roomId,
                 monarchy,
+                roomSummaryMapper,
                 timelineService,
                 sendService,
                 stateService,

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomModule.kt

@@ -138,4 +138,10 @@ internal abstract class RoomModule {
     @Binds
     abstract fun bindTimelineService(timelineService: DefaultTimelineService): TimelineService
 
+    @Binds
+    abstract fun bindSimpleTimelineEventFactory(timelineEventFactory: SimpleTimelineEventFactory): TimelineEventFactory
+
+    @Binds
+    abstract fun bindCacheableTimelineEventFactory(inMemoryTimelineEventFactory: InMemoryTimelineEventFactory): CacheableTimelineEventFactory
+
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/RoomSummaryUpdater.kt

@@ -27,7 +27,6 @@ import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
 import im.vector.matrix.android.internal.database.query.latestEvent
 import im.vector.matrix.android.internal.database.query.prev
 import im.vector.matrix.android.internal.database.query.where
-import im.vector.matrix.android.internal.session.SessionScope
 import im.vector.matrix.android.internal.session.room.membership.RoomDisplayNameResolver
 import im.vector.matrix.android.internal.session.room.membership.RoomMembers
 import im.vector.matrix.android.internal.session.sync.model.RoomSyncSummary
@@ -40,6 +39,23 @@ internal class RoomSummaryUpdater @Inject constructor(private val credentials: C
                                                       private val roomDisplayNameResolver: RoomDisplayNameResolver,
                                                       private val roomAvatarResolver: RoomAvatarResolver) {
 
+    // TODO: maybe allow user of SDK to give that list
+    private val PREVIEWABLE_TYPES = listOf(
+            EventType.MESSAGE,
+            EventType.STATE_ROOM_NAME,
+            EventType.STATE_ROOM_TOPIC,
+            EventType.STATE_ROOM_MEMBER,
+            EventType.STATE_HISTORY_VISIBILITY,
+            EventType.CALL_INVITE,
+            EventType.CALL_HANGUP,
+            EventType.CALL_ANSWER,
+            EventType.ENCRYPTED,
+            EventType.ENCRYPTION,
+            EventType.STATE_ROOM_THIRD_PARTY_INVITE,
+            EventType.STICKER,
+            EventType.STATE_ROOM_CREATE
+    )
+
     fun update(realm: Realm,
                roomId: String,
                membership: Membership? = null,
@@ -47,7 +63,7 @@ internal class RoomSummaryUpdater @Inject constructor(private val credentials: C
                unreadNotifications: RoomSyncUnreadNotifications? = null) {
 
         val roomSummaryEntity = RoomSummaryEntity.where(realm, roomId).findFirst()
-                                ?: realm.createObject(roomId)
+                ?: realm.createObject(roomId)
 
         if (roomSummary != null) {
             if (roomSummary.heroes.isNotEmpty()) {
@@ -71,13 +87,13 @@ internal class RoomSummaryUpdater @Inject constructor(private val credentials: C
             roomSummaryEntity.membership = membership
         }
 
-        val lastEvent = EventEntity.latestEvent(realm, roomId)
+        val lastEvent = EventEntity.latestEvent(realm, roomId, includedTypes = PREVIEWABLE_TYPES)
         val lastTopicEvent = EventEntity.where(realm, roomId, EventType.STATE_ROOM_TOPIC).prev()?.asDomain()
         val otherRoomMembers = RoomMembers(realm, roomId).getLoaded().filterKeys { it != credentials.userId }
         roomSummaryEntity.displayName = roomDisplayNameResolver.resolve(roomId).toString()
         roomSummaryEntity.avatarUrl = roomAvatarResolver.resolve(roomId)
         roomSummaryEntity.topic = lastTopicEvent?.content.toModel<RoomTopicContent>()?.topic
-        roomSummaryEntity.lastMessage = lastEvent
+        roomSummaryEntity.latestEvent = lastEvent
         roomSummaryEntity.otherMemberIds.clear()
         roomSummaryEntity.otherMemberIds.addAll(otherRoomMembers.keys)
     }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/membership/SenderRoomMemberExtractor.kt

@@ -34,9 +34,10 @@ import io.realm.RealmList
 import io.realm.RealmQuery
 import javax.inject.Inject
 
-internal class SenderRoomMemberExtractor @Inject constructor(private val roomId: String) {
+internal class SenderRoomMemberExtractor @Inject constructor() {
 
     fun extractFrom(event: EventEntity, realm: Realm = event.realm): RoomMember? {
+        val roomId = event.roomId
         val sender = event.sender ?: return null
         // If the event is unlinked we want to fetch unlinked state events
         val unlinked = event.isUnlinked

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/LocalEchoEventFactory.kt

@@ -34,6 +34,7 @@ import im.vector.matrix.android.internal.database.model.RoomEntity
 import im.vector.matrix.android.internal.database.query.findLastLiveChunkFromRoom
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.session.content.ThumbnailExtractor
+import im.vector.matrix.android.internal.session.room.RoomSummaryUpdater
 import im.vector.matrix.android.internal.util.StringProvider
 import im.vector.matrix.android.internal.util.tryTransactionAsync
 import org.commonmark.parser.Parser
@@ -50,8 +51,9 @@ import javax.inject.Inject
  *
  * The transactionID is used as loc
  */
-
-internal class LocalEchoEventFactory @Inject constructor(private val credentials: Credentials, private val stringProvider: StringProvider) {
+internal class LocalEchoEventFactory @Inject constructor(private val credentials: Credentials,
+                                                         private val stringProvider: StringProvider,
+                                                         private val roomSummaryUpdater: RoomSummaryUpdater) {
 
     fun createTextEvent(roomId: String, msgType: String, text: String, autoMarkdown: Boolean): Event {
         if (autoMarkdown && msgType == MessageType.MSGTYPE_TEXT) {
@@ -342,10 +344,12 @@ internal class LocalEchoEventFactory @Inject constructor(private val credentials
     }
 
     fun saveLocalEcho(monarchy: Monarchy, event: Event) {
+        if (event.roomId == null) throw IllegalStateException("Your event should have a roomId")
         monarchy.tryTransactionAsync { realm ->
-            val roomEntity = RoomEntity.where(realm, roomId = event.roomId!!).findFirst()
+            val roomEntity = RoomEntity.where(realm, roomId = event.roomId).findFirst()
                     ?: return@tryTransactionAsync
             roomEntity.addSendingEvent(event)
+            roomSummaryUpdater.update(realm, event.roomId)
         }
     }
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/DefaultTimeline.kt

@@ -54,7 +54,7 @@ internal class DefaultTimeline(
         private val realmConfiguration: RealmConfiguration,
         private val taskExecutor: TaskExecutor,
         private val contextOfEventTask: GetContextOfEventTask,
-        private val timelineEventFactory: TimelineEventFactory,
+        private val timelineEventFactory: CacheableTimelineEventFactory,
         private val paginationTask: PaginationTask,
         private val allowedTypes: List<String>?
 ) : Timeline {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/DefaultTimelineService.kt

@@ -33,7 +33,7 @@ import javax.inject.Inject
 internal class DefaultTimelineService @Inject constructor(private val roomId: String,
                                                           private val monarchy: Monarchy,
                                                           private val taskExecutor: TaskExecutor,
-                                                          private val timelineEventFactory: TimelineEventFactory,
+                                                          private val timelineEventFactory: CacheableTimelineEventFactory,
                                                           private val contextOfEventTask: GetContextOfEventTask,
                                                           private val paginationTask: PaginationTask
 ) : TimelineService {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/timeline/TimelineEventFactory.kt

@@ -33,20 +33,46 @@ import timber.log.Timber
 import java.util.*
 import javax.inject.Inject
 
+internal interface TimelineEventFactory {
+    fun create(eventEntity: EventEntity, realm: Realm = eventEntity.realm): TimelineEvent
+}
+
+internal interface CacheableTimelineEventFactory : TimelineEventFactory {
+    fun clear()
+}
+
 /**
  * This class is responsible for building [TimelineEvent] returned by a [Timeline] through [TimelineService]
  * It handles decryption, extracting additional data around an event as sender data and relation.
  */
-internal class TimelineEventFactory @Inject constructor(
-        private val roomMemberExtractor: SenderRoomMemberExtractor,
-        private val relationExtractor: EventRelationExtractor,
-        private val cryptoService: CryptoService) {
+internal class SimpleTimelineEventFactory @Inject constructor(private val roomMemberExtractor: SenderRoomMemberExtractor,
+                                                              private val relationExtractor: EventRelationExtractor
+) : TimelineEventFactory {
+    override fun create(eventEntity: EventEntity, realm: Realm): TimelineEvent {
+        val senderRoomMember = roomMemberExtractor.extractFrom(eventEntity, realm)
+        val relations = relationExtractor.extractFrom(eventEntity, realm)
+        return TimelineEvent(
+                eventEntity.asDomain(),
+                eventEntity.localId,
+                eventEntity.displayIndex,
+                senderRoomMember?.displayName,
+                /* TODO Rebase */ true,
+                senderRoomMember?.avatarUrl,
+                eventEntity.sendState,
+                relations
+        )
+    }
+}
+
+internal class InMemoryTimelineEventFactory @Inject constructor(private val roomMemberExtractor: SenderRoomMemberExtractor,
+                                                                private val relationExtractor: EventRelationExtractor,
+                                                                private val cryptoService: CryptoService) : CacheableTimelineEventFactory {
 
     private val timelineId = UUID.randomUUID().toString()
     private val senderCache = mutableMapOf<String, SenderData>()
     private val decryptionCache = mutableMapOf<String, MXEventDecryptionResult>()
 
-    fun create(eventEntity: EventEntity, realm: Realm = eventEntity.realm): TimelineEvent {
+    override fun create(eventEntity: EventEntity, realm: Realm): TimelineEvent {
         val sender = eventEntity.sender
         val cacheKey = sender + eventEntity.localId
         val senderData = senderCache.getOrPut(cacheKey) {
@@ -97,7 +123,7 @@ internal class TimelineEventFactory @Inject constructor(
         }
     }
 
-    fun clear() {
+    override fun clear() {
         senderCache.clear()
     }
 

vector/src/main/java/im/vector/riotredesign/features/home/room/detail/RoomDetailViewModel.kt

@@ -504,7 +504,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
     private fun observeInvitationState() {
         asyncSubscribe(RoomDetailViewState::asyncRoomSummary) { summary ->
             if (summary.membership == Membership.INVITE) {
-                summary.lastMessage?.senderId?.let { senderId ->
+                summary.latestEvent?.root?.senderId?.let { senderId ->
                     session.getUser(senderId)
                 }?.also {
                     setState { copy(asyncInviter = Success(it)) }

vector/src/main/java/im/vector/riotredesign/features/home/room/list/ChronologicalRoomComparator.kt

@@ -25,14 +25,14 @@ class ChronologicalRoomComparator @Inject constructor() : Comparator<RoomSummary
         var rightTimestamp = 0L
         var leftTimestamp = 0L
         if (null != leftRoomSummary) {
-            leftTimestamp = leftRoomSummary.lastMessage?.originServerTs ?: 0
+            leftTimestamp = leftRoomSummary.latestEvent?.root?.originServerTs ?: 0
         }
         if (null != rightRoomSummary) {
-            rightTimestamp = rightRoomSummary.lastMessage?.originServerTs ?: 0
+            rightTimestamp = rightRoomSummary.latestEvent?.root?.originServerTs ?: 0
         }
-        return if (rightRoomSummary?.lastMessage == null) {
+        return if (rightRoomSummary?.latestEvent?.root == null) {
             -1
-        } else if (leftRoomSummary?.lastMessage == null) {
+        } else if (leftRoomSummary?.latestEvent?.root == null) {
             1
         } else {
             val deltaTimestamp = rightTimestamp - leftTimestamp

vector/src/main/java/im/vector/riotredesign/features/home/room/list/RoomListActions.kt

@@ -22,8 +22,6 @@ sealed class RoomListActions {
 
     data class SelectRoom(val roomSummary: RoomSummary) : RoomListActions()
 
-    data class FilterRooms(val roomName: CharSequence? = null) : RoomListActions()
-
     data class ToggleCategory(val category: RoomCategory) : RoomListActions()
 
 }

vector/src/main/java/im/vector/riotredesign/features/home/room/list/RoomListViewModel.kt

@@ -18,14 +18,11 @@ package im.vector.riotredesign.features.home.room.list
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import arrow.core.Option
 import com.airbnb.mvrx.FragmentViewModelContext
 import com.airbnb.mvrx.MvRxViewModelFactory
 import com.airbnb.mvrx.ViewModelContext
-import com.jakewharton.rxrelay2.BehaviorRelay
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
-import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.matrix.android.api.session.room.model.tag.RoomTag
@@ -33,10 +30,7 @@ import im.vector.riotredesign.core.platform.VectorViewModel
 import im.vector.riotredesign.core.utils.LiveEvent
 import im.vector.riotredesign.features.home.HomeRoomListObservableStore
 
-typealias RoomListFilterName = CharSequence
-
 class RoomListViewModel @AssistedInject constructor(@Assisted initialState: RoomListViewState,
-                                                    private val session: Session,
                                                     private val homeRoomListObservableSource: HomeRoomListObservableStore,
                                                     private val alphabeticalRoomComparator: AlphabeticalRoomComparator,
                                                     private val chronologicalRoomComparator: ChronologicalRoomComparator)
@@ -57,8 +51,6 @@ class RoomListViewModel @AssistedInject constructor(@Assisted initialState: Room
     }
 
     private val displayMode = initialState.displayMode
-    private val roomListDisplayModeFilter = RoomListDisplayModeFilter(displayMode)
-    private val roomListFilter = BehaviorRelay.createDefault<Option<RoomListFilterName>>(Option.empty())
 
     private val _openRoomLiveData = MutableLiveData<LiveEvent<String>>()
     val openRoomLiveData: LiveData<LiveEvent<String>>
@@ -71,7 +63,6 @@ class RoomListViewModel @AssistedInject constructor(@Assisted initialState: Room
     fun accept(action: RoomListActions) {
         when (action) {
             is RoomListActions.SelectRoom     -> handleSelectRoom(action)
-            is RoomListActions.FilterRooms    -> handleFilterRooms(action)
             is RoomListActions.ToggleCategory -> handleToggleCategory(action)
         }
     }
@@ -82,11 +73,6 @@ class RoomListViewModel @AssistedInject constructor(@Assisted initialState: Room
         _openRoomLiveData.postValue(LiveEvent(action.roomSummary.roomId))
     }
 
-    private fun handleFilterRooms(action: RoomListActions.FilterRooms) {
-        val optionalFilter = Option.fromNullable(action.roomName)
-        roomListFilter.accept(optionalFilter)
-    }
-
     private fun handleToggleCategory(action: RoomListActions.ToggleCategory) = setState {
         this.toggle(action.category)
     }

vector/src/main/java/im/vector/riotredesign/features/home/room/list/RoomSummaryController.kt

@@ -18,22 +18,12 @@ package im.vector.riotredesign.features.home.room.list
 
 import androidx.annotation.StringRes
 import com.airbnb.epoxy.TypedEpoxyController
-import im.vector.matrix.android.api.session.events.model.EventType
-import im.vector.matrix.android.api.session.events.model.toModel
 import im.vector.matrix.android.api.session.room.model.RoomSummary
-import im.vector.matrix.android.api.session.room.model.message.MessageContent
-import im.vector.riotredesign.core.extensions.localDateTime
-import im.vector.riotredesign.core.resources.DateProvider
 import im.vector.riotredesign.core.resources.StringProvider
-import im.vector.riotredesign.features.home.AvatarRenderer
-import im.vector.riotredesign.features.home.room.detail.timeline.format.NoticeEventFormatter
-import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineDateFormatter
 import javax.inject.Inject
 
 class RoomSummaryController @Inject constructor(private val stringProvider: StringProvider,
-                                                private val eventFormatter: NoticeEventFormatter,
-                                                private val timelineDateFormatter: TimelineDateFormatter,
-                                                private val avatarRenderer: AvatarRenderer
+                                                private val roomSummaryItemFactory: RoomSummaryItemFactory
 ) : TypedEpoxyController<RoomListViewState>() {
 
     var callback: Callback? = null
@@ -85,44 +75,9 @@ class RoomSummaryController @Inject constructor(private val stringProvider: Stri
 
     private fun buildRoomModels(summaries: List<RoomSummary>) {
         summaries.forEach { roomSummary ->
-            val unreadCount = roomSummary.notificationCount
-            val showHighlighted = roomSummary.highlightCount > 0
-
-            var lastMessageFormatted: CharSequence = ""
-            var lastMessageTime: CharSequence = ""
-            val lastMessage = roomSummary.lastMessage
-            if (lastMessage != null) {
-                val date = lastMessage.localDateTime()
-                val currentData = DateProvider.currentLocalDateTime()
-                val isSameDay = date.toLocalDate() == currentData.toLocalDate()
-                //TODO: get formatted
-                if (lastMessage.type == EventType.MESSAGE) {
-                    val content = lastMessage.content?.toModel<MessageContent>()
-                    lastMessageFormatted = content?.body ?: ""
-                } else {
-                    lastMessageFormatted = lastMessage.type
-                }
-                lastMessageTime = if (isSameDay) {
-                    timelineDateFormatter.formatMessageHour(date)
-                } else {
-                    //TODO: change this
-                    timelineDateFormatter.formatMessageDay(date)
-                }
-
-
-            }
-            roomSummaryItem {
-                avatarRenderer(avatarRenderer)
-                id(roomSummary.roomId)
-                roomId(roomSummary.roomId)
-                lastEventTime(lastMessageTime)
-                lastFormattedEvent(lastMessageFormatted)
-                roomName(roomSummary.displayName)
-                avatarUrl(roomSummary.avatarUrl)
-                showHighlighted(showHighlighted)
-                unreadCount(unreadCount)
-                listener { callback?.onRoomSelected(roomSummary) }
-            }
+            roomSummaryItemFactory
+                    .create(roomSummary) { callback?.onRoomSelected(it) }
+                    .addTo(this)
         }
     }
 

vector/src/main/java/im/vector/riotredesign/features/home/room/list/RoomSummaryItemFactory.kt

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2019 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 im.vector.riotredesign.features.home.room.list
+
+import im.vector.matrix.android.api.session.events.model.EventType
+import im.vector.matrix.android.api.session.events.model.toModel
+import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.matrix.android.api.session.room.model.message.MessageContent
+import im.vector.riotredesign.R
+import im.vector.riotredesign.core.extensions.localDateTime
+import im.vector.riotredesign.core.resources.ColorProvider
+import im.vector.riotredesign.core.resources.DateProvider
+import im.vector.riotredesign.features.home.room.detail.timeline.format.NoticeEventFormatter
+import im.vector.riotredesign.features.home.room.detail.timeline.helper.TimelineDateFormatter
+import im.vector.riotredesign.features.home.room.detail.timeline.helper.senderName
+import me.gujun.android.span.span
+import javax.inject.Inject
+
+class RoomSummaryItemFactory @Inject constructor(private val noticeEventFormatter: NoticeEventFormatter,
+                                                 private val timelineDateFormatter: TimelineDateFormatter,
+                                                 private val colorProvider: ColorProvider) {
+
+    fun create(roomSummary: RoomSummary, onRoomSelected: (RoomSummary) -> Unit): RoomSummaryItem {
+        val unreadCount = roomSummary.notificationCount
+        val showHighlighted = roomSummary.highlightCount > 0
+
+        var latestFormattedEvent: CharSequence = ""
+        var latestEventTime: CharSequence = ""
+        val latestEvent = roomSummary.latestEvent
+        if (latestEvent != null) {
+            val date = latestEvent.root.localDateTime()
+            val currentData = DateProvider.currentLocalDateTime()
+            val isSameDay = date.toLocalDate() == currentData.toLocalDate()
+            latestFormattedEvent = if (latestEvent.root.type == EventType.MESSAGE) {
+                val senderName = latestEvent.senderName() ?: latestEvent.root.senderId
+                val content = latestEvent.root.content?.toModel<MessageContent>()
+                val message = content?.body ?: ""
+                if (roomSummary.isDirect.not() && senderName != null) {
+                    span {
+                        text = senderName
+                        textColor = colorProvider.getColorFromAttribute(R.attr.riotx_text_primary)
+                    }
+                            .append(" - ")
+                            .append(message)
+                } else {
+                    message
+                }
+            } else {
+                span {
+                    text = noticeEventFormatter.format(latestEvent) ?: ""
+                    textStyle = "italic"
+                }
+            }
+            latestEventTime = if (isSameDay) {
+                timelineDateFormatter.formatMessageHour(date)
+            } else {
+                //TODO: change this
+                timelineDateFormatter.formatMessageDay(date)
+            }
+        }
+        return RoomSummaryItem_()
+                .id(roomSummary.roomId)
+                .roomId(roomSummary.roomId)
+                .lastEventTime(latestEventTime)
+                .lastFormattedEvent(latestFormattedEvent)
+                .roomName(roomSummary.displayName)
+                .avatarUrl(roomSummary.avatarUrl)
+                .showHighlighted(showHighlighted)
+                .unreadCount(unreadCount)
+                .listener { onRoomSelected(roomSummary) }
+    }
+}