Read receipts: fix dummy being overrided

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/helper/ChunkEntityHelper.kt

@@ -28,6 +28,7 @@ import im.vector.matrix.android.internal.database.model.ReadReceiptsSummaryEntit
 import im.vector.matrix.android.internal.database.model.TimelineEventEntity
 import im.vector.matrix.android.internal.database.model.TimelineEventEntityFields
 import im.vector.matrix.android.internal.database.query.find
+import im.vector.matrix.android.internal.database.query.getOrCreate
 import im.vector.matrix.android.internal.database.query.where
 import im.vector.matrix.android.internal.extensions.assertIsManaged
 import im.vector.matrix.android.internal.session.room.timeline.PaginationDirection
@@ -138,20 +139,25 @@ internal fun ChunkEntity.add(roomId: String,
     val eventId = event.eventId ?: ""
     val senderId = event.senderId ?: ""
 
-    val currentReceiptsSummary = ReadReceiptsSummaryEntity.where(realm, eventId).findFirst()
+    val readReceiptsSummaryEntity = ReadReceiptsSummaryEntity.where(realm, eventId).findFirst()
                                     ?: ReadReceiptsSummaryEntity(eventId)
 
-    // Update RR for the sender of a new message
+    // Update RR for the sender of a new message with a dummy one
-    if (direction == PaginationDirection.FORWARDS && !isUnlinked) {
+
-        ReadReceiptEntity.where(realm, roomId = roomId, userId = senderId).findFirst()?.also {
+    if (event.originServerTs != null) {
-            val previousEventId = it.eventId
+        val timestampOfEvent = event.originServerTs.toDouble()
-            val previousReceiptsSummary = ReadReceiptsSummaryEntity.where(realm, eventId = previousEventId).findFirst()
+        val readReceiptOfSender = ReadReceiptEntity.getOrCreate(realm, roomId = roomId, userId = senderId)
-            it.eventId = eventId
+        // If the synced RR is older, update
-            previousReceiptsSummary?.readReceipts?.remove(it)
+        if (timestampOfEvent > readReceiptOfSender.originServerTs) {
-            currentReceiptsSummary.readReceipts.add(it)
+            val previousReceiptsSummary = ReadReceiptsSummaryEntity.where(realm, eventId = readReceiptOfSender.eventId).findFirst()
+            readReceiptOfSender.eventId = eventId
+            readReceiptOfSender.originServerTs = timestampOfEvent
+            previousReceiptsSummary?.readReceipts?.remove(readReceiptOfSender)
+            readReceiptsSummaryEntity.readReceipts.add(readReceiptOfSender)
         }
     }
 
+
     val eventEntity = TimelineEventEntity(localId).also {
         it.root = event.toEntity(roomId).apply {
             this.stateIndex = currentStateIndex
@@ -162,7 +168,7 @@ internal fun ChunkEntity.add(roomId: String,
         it.eventId = eventId
         it.roomId = roomId
         it.annotations = EventAnnotationsSummaryEntity.where(realm, eventId).findFirst()
-        it.readReceipts = currentReceiptsSummary
+        it.readReceipts = readReceiptsSummaryEntity
     }
     val position = if (direction == PaginationDirection.FORWARDS) 0 else this.timelineEvents.size
     timelineEvents.add(position, eventEntity)

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

@@ -27,3 +27,21 @@ internal fun ReadReceiptEntity.Companion.where(realm: Realm, roomId: String, use
             .equalTo(ReadReceiptEntityFields.ROOM_ID, roomId)
             .equalTo(ReadReceiptEntityFields.USER_ID, userId)
 }
+
+internal fun ReadReceiptEntity.Companion.createUnmanaged(roomId: String, eventId: String, userId: String, originServerTs: Double): ReadReceiptEntity {
+    return ReadReceiptEntity().apply {
+        this.primaryKey = "${roomId}_$userId"
+        this.eventId = eventId
+        this.roomId = roomId
+        this.userId = userId
+        this.originServerTs = originServerTs
+    }
+}
+
+internal fun ReadReceiptEntity.Companion.getOrCreate(realm: Realm, roomId: String, userId: String): ReadReceiptEntity {
+    return ReadReceiptEntity.where(realm, roomId, userId).findFirst()
+           ?: realm.createObject(ReadReceiptEntity::class.java, "${roomId}_$userId").apply {
+               this.roomId = roomId
+               this.userId = userId
+           }
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/ReadReceiptHandler.kt

@@ -18,6 +18,8 @@ package im.vector.matrix.android.internal.session.sync
 
 import im.vector.matrix.android.internal.database.model.ReadReceiptEntity
 import im.vector.matrix.android.internal.database.model.ReadReceiptsSummaryEntity
+import im.vector.matrix.android.internal.database.query.createUnmanaged
+import im.vector.matrix.android.internal.database.query.getOrCreate
 import im.vector.matrix.android.internal.database.query.where
 import io.realm.Realm
 import timber.log.Timber
@@ -64,14 +66,7 @@ internal class ReadReceiptHandler @Inject constructor() {
 
             for ((userId, paramsDict) in userIdsDict) {
                 val ts = paramsDict[TIMESTAMP_KEY] ?: 0.0
-                val primaryKey = "${roomId}_$userId"
+                val receiptEntity = ReadReceiptEntity.createUnmanaged(roomId, eventId, userId, ts)
-                val receiptEntity = ReadReceiptEntity().apply {
-                    this.primaryKey = primaryKey
-                    this.eventId = eventId
-                    this.roomId = roomId
-                    this.userId = userId
-                    this.originServerTs = ts
-                }
                 readReceiptsSummary.readReceipts.add(receiptEntity)
             }
             readReceiptSummaries.add(readReceiptsSummary)
@@ -87,22 +82,19 @@ internal class ReadReceiptHandler @Inject constructor() {
 
             for ((userId, paramsDict) in userIdsDict) {
                 val ts = paramsDict[TIMESTAMP_KEY] ?: 0.0
-                val primaryKey = "${roomId}_$userId"
+                val receiptEntity = ReadReceiptEntity.getOrCreate(realm, roomId, userId)
-                val receiptEntity = ReadReceiptEntity.where(realm, roomId, userId).findFirst()
+                // ensure new ts is superior to the previous one
-                                    ?: realm.createObject(ReadReceiptEntity::class.java, primaryKey)
+                if (ts > receiptEntity.originServerTs) {
-
                     ReadReceiptsSummaryEntity.where(realm, receiptEntity.eventId).findFirst()?.also {
                         it.readReceipts.remove(receiptEntity)
                     }
-                receiptEntity.apply {
+                    receiptEntity.eventId = eventId
-                    this.eventId = eventId
+                    receiptEntity.originServerTs = ts
-                    this.roomId = roomId
-                    this.userId = userId
-                    this.originServerTs = ts
-                }
                     readReceiptsSummary.readReceipts.add(receiptEntity)
                 }
             }
         }
+    }
+
 
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/RoomSyncHandler.kt

@@ -117,6 +117,14 @@ internal class RoomSyncHandler @Inject constructor(private val monarchy: Monarch
 
         Timber.v("Handle join sync for room $roomId")
 
+        if (roomSync.ephemeral != null && roomSync.ephemeral.events.isNotEmpty()) {
+            handleEphemeral(realm, roomId, roomSync.ephemeral, isInitalSync)
+        }
+
+        if (roomSync.accountData != null && roomSync.accountData.events.isNullOrEmpty().not()) {
+            handleRoomAccountDataEvents(realm, roomId, roomSync.accountData)
+        }
+
         val roomEntity = RoomEntity.where(realm, roomId).findFirst()
                          ?: realm.createObject(roomId)
 
@@ -151,14 +159,6 @@ internal class RoomSyncHandler @Inject constructor(private val monarchy: Monarch
             roomEntity.addOrUpdate(chunkEntity)
         }
         roomSummaryUpdater.update(realm, roomId, Membership.JOIN, roomSync.summary, roomSync.unreadNotifications)
-
-        if (roomSync.ephemeral != null && roomSync.ephemeral.events.isNotEmpty()) {
-            handleEphemeral(realm, roomId, roomSync.ephemeral, isInitalSync)
-        }
-
-        if (roomSync.accountData != null && roomSync.accountData.events.isNullOrEmpty().not()) {
-            handleRoomAccountDataEvents(realm, roomId, roomSync.accountData)
-        }
         return roomEntity
     }