feature(space): compute space room name locally

features/home/impl/src/main/kotlin/io/element/android/features/home/impl/spaces/SpaceRoomProvider.kt

@@ -30,7 +30,7 @@ class SpaceRoomProvider : PreviewParameterProvider<SpaceRoom> {
             roomId = RoomId("!spaceId1:example.com"),
         ),
         aSpaceRoom(
-            name = null,
+            rawName = null,
             numJoinedMembers = 5,
             childrenCount = 10,
             worldReadable = true,
@@ -39,7 +39,7 @@ class SpaceRoomProvider : PreviewParameterProvider<SpaceRoom> {
             state = CurrentUserMembership.INVITED,
         ),
         aSpaceRoom(
-            name = null,
+            rawName = null,
             numJoinedMembers = 5,
             childrenCount = 10,
             worldReadable = true,

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

@@ -30,7 +30,7 @@ class LeaveSpaceStateProvider : PreviewParameterProvider<LeaveSpaceState> {
                     persistentListOf(
                         aSelectableSpaceRoom(
                             spaceRoom = aSpaceRoom(
-                                name = "A long space name that should be truncated",
+                                rawName = "A long space name that should be truncated",
                                 worldReadable = true,
                             ),
                             isLastAdmin = true,

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

@@ -25,7 +25,7 @@ open class SpaceStateProvider : PreviewParameterProvider<SpaceState> {
             aSpaceState(),
             aSpaceState(
                 parentSpace = aSpaceRoom(
-                    name = null,
+                    rawName = null,
                     numJoinedMembers = 5,
                     childrenCount = 10,
                     worldReadable = true,

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

@@ -15,7 +15,7 @@ import io.element.android.libraries.matrix.api.room.join.JoinRule
 import io.element.android.libraries.matrix.api.user.MatrixUser
 
 data class SpaceRoom(
-    val name: String?,
+    val rawName: String?,
     val avatarUrl: String?,
     val canonicalAlias: RoomAlias?,
     val childrenCount: Int,
@@ -32,6 +32,18 @@ data class SpaceRoom(
      * The via parameters of the room.
      */
     val via: List<String>,
+    val isDirect: Boolean?,
 ) {
     val isSpace = roomType == RoomType.Space
+
+    /**
+     * Temporary logic to compute a name for direct rooms with no name.
+     * This will be replaced by sdk logic in the future.
+     */
+    val name = if (rawName == null && isDirect == true && heroes.size == 1) {
+        val dmRecipient = heroes.first()
+        dmRecipient.displayName
+    } else {
+        rawName
+    }
 }

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

@@ -24,7 +24,7 @@ class SpaceRoomMapper {
             guestCanJoin = spaceRoom.guestCanJoin,
             heroes = spaceRoom.heroes.orEmpty().map { it.map() },
             joinRule = spaceRoom.joinRule?.map(),
-            name = spaceRoom.name,
+            rawName = spaceRoom.name,
             numJoinedMembers = spaceRoom.numJoinedMembers.toInt(),
             roomId = RoomId(spaceRoom.roomId),
             roomType = spaceRoom.roomType.map(),
@@ -32,6 +32,7 @@ class SpaceRoomMapper {
             topic = spaceRoom.topic,
             worldReadable = spaceRoom.worldReadable.orFalse(),
             via = spaceRoom.via,
+            isDirect = spaceRoom.isDirect,
         )
     }
 }

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

@@ -18,23 +18,31 @@ class SpaceRoomProvider : PreviewParameterProvider<SpaceRoom> {
     override val values: Sequence<SpaceRoom> = sequenceOf(
         aSpaceRoom(
             roomType = RoomType.Room,
-            name = "Room name with topic",
+            rawName = "Room name with topic",
             topic = "Room topic that is quite long and might be truncated"
         ),
         aSpaceRoom(
             roomType = RoomType.Room,
-            name = "Room name no topic",
+            rawName = "Room name no topic",
             state = CurrentUserMembership.LEFT,
         ),
         aSpaceRoom(
             roomType = RoomType.Room,
-            name = "Room name with topic",
+            rawName = null,
+            isDirect = true,
+            heroes = listOf(aMatrixUser(displayName = "Alice")),
+            state = CurrentUserMembership.JOINED,
+            numJoinedMembers = 2,
+        ),
+        aSpaceRoom(
+            roomType = RoomType.Room,
+            rawName = "Room name with topic",
             topic = "Room topic that is quite long and might be truncated",
             state = CurrentUserMembership.INVITED,
         ),
         aSpaceRoom(
             roomType = RoomType.Room,
-            name = "Room name no topic",
+            rawName = "Room name no topic",
             state = CurrentUserMembership.INVITED,
         ),
         aSpaceRoom(
@@ -52,7 +60,7 @@ class SpaceRoomProvider : PreviewParameterProvider<SpaceRoom> {
             state = CurrentUserMembership.LEFT,
         ),
         aSpaceRoom(
-            name = null,
+            rawName = null,
             numJoinedMembers = 5,
             childrenCount = 10,
             worldReadable = true,
@@ -61,7 +69,7 @@ class SpaceRoomProvider : PreviewParameterProvider<SpaceRoom> {
             state = CurrentUserMembership.INVITED,
         ),
         aSpaceRoom(
-            name = null,
+            rawName = null,
             numJoinedMembers = 5,
             childrenCount = 10,
             worldReadable = true,

libraries/previewutils/src/main/kotlin/io/element/android/libraries/previewutils/room/SpaceRoomFixture.kt

@@ -16,7 +16,7 @@ import io.element.android.libraries.matrix.api.spaces.SpaceRoom
 import io.element.android.libraries.matrix.api.user.MatrixUser
 
 fun aSpaceRoom(
-    name: String? = "Space name",
+    rawName: String? = "Space name",
     avatarUrl: String? = null,
     canonicalAlias: RoomAlias? = null,
     childrenCount: Int = 0,
@@ -29,9 +29,10 @@ fun aSpaceRoom(
     state: CurrentUserMembership? = null,
     topic: String? = null,
     worldReadable: Boolean = false,
+    isDirect: Boolean? = null,
     via: List<String> = emptyList(),
 ) = SpaceRoom(
-    name = name,
+    rawName = rawName,
     avatarUrl = avatarUrl,
     canonicalAlias = canonicalAlias,
     childrenCount = childrenCount,
@@ -45,4 +46,5 @@ fun aSpaceRoom(
     topic = topic,
     worldReadable = worldReadable,
     via = via,
+    isDirect = isDirect
 )