Get uploaded files for e2e rooms, from local DB

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

@@ -28,6 +28,13 @@ internal object TimelineEventFilter {
         internal const val RESPONSE = """{*"m.relates_to"*"rel_type":*"m.response"*}"""
     }
 
+    /**
+     * To apply to Event.decryptionResultJson
+     */
+    internal object DecryptedContent {
+        internal const val URL = """{*"file":*"url":*}"""
+    }
+
     /**
      * To apply to Event.unsigned
      */

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

@@ -19,6 +19,7 @@ package im.vector.matrix.android.internal.session.room.uploads
 import com.squareup.inject.assisted.Assisted
 import com.squareup.inject.assisted.AssistedInject
 import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.session.crypto.CryptoService
 import im.vector.matrix.android.api.session.room.uploads.GetUploadsResult
 import im.vector.matrix.android.api.session.room.uploads.UploadsService
 import im.vector.matrix.android.api.util.Cancelable
@@ -28,7 +29,8 @@ import im.vector.matrix.android.internal.task.configureWith
 internal class DefaultUploadsService @AssistedInject constructor(
         @Assisted private val roomId: String,
         private val taskExecutor: TaskExecutor,
-        private val getUploadsTask: GetUploadsTask
+        private val getUploadsTask: GetUploadsTask,
+        private val cryptoService: CryptoService
 ) : UploadsService {
 
     @AssistedInject.Factory
@@ -38,7 +40,7 @@ internal class DefaultUploadsService @AssistedInject constructor(
 
     override fun getUploads(numberOfEvents: Int, since: String?, callback: MatrixCallback<GetUploadsResult>): Cancelable {
         return getUploadsTask
-                .configureWith(GetUploadsTask.Params(roomId, numberOfEvents, since)) {
+                .configureWith(GetUploadsTask.Params(roomId, cryptoService.isRoomEncrypted(roomId), numberOfEvents, since)) {
                     this.callback = callback
                 }
                 .executeBy(taskExecutor)

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

@@ -17,12 +17,20 @@
 package im.vector.matrix.android.internal.session.room.uploads
 
 import com.zhuinden.monarchy.Monarchy
+import im.vector.matrix.android.api.session.events.model.Event
+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.message.MessageContent
 import im.vector.matrix.android.api.session.room.model.message.MessageWithAttachmentContent
+import im.vector.matrix.android.api.session.room.send.SendState
 import im.vector.matrix.android.api.session.room.sender.SenderInfo
 import im.vector.matrix.android.api.session.room.uploads.GetUploadsResult
 import im.vector.matrix.android.api.session.room.uploads.UploadEvent
+import im.vector.matrix.android.internal.database.mapper.asDomain
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.model.EventEntityFields
+import im.vector.matrix.android.internal.database.query.TimelineEventFilter
+import im.vector.matrix.android.internal.database.query.whereType
 import im.vector.matrix.android.internal.network.executeRequest
 import im.vector.matrix.android.internal.session.filter.FilterFactory
 import im.vector.matrix.android.internal.session.room.RoomAPI
@@ -38,6 +46,7 @@ internal interface GetUploadsTask : Task<GetUploadsTask.Params, GetUploadsResult
 
     data class Params(
             val roomId: String,
+            val isRoomEncrypted: Boolean,
             val numberOfEvents: Int,
             val since: String?
     )
@@ -51,6 +60,31 @@ internal class DefaultGetUploadsTask @Inject constructor(
     : GetUploadsTask {
 
     override suspend fun execute(params: GetUploadsTask.Params): GetUploadsResult {
+        val result: GetUploadsResult
+        val events: List<Event>
+
+        if (params.isRoomEncrypted) {
+            // Get a chunk of events from cache for e2e rooms
+
+            result = GetUploadsResult(
+                    uploadEvents = emptyList(),
+                    nextToken = "",
+                    hasMore = false
+            )
+
+            var eventsFromRealm = emptyList<Event>()
+            monarchy.doWithRealm { realm ->
+                eventsFromRealm = EventEntity.whereType(realm, EventType.ENCRYPTED, params.roomId)
+                        .like(EventEntityFields.DECRYPTION_RESULT_JSON, TimelineEventFilter.DecryptedContent.URL)
+                        // FIXME Send event are stored twice in the DB. This is not normal. Keep only synced events
+                        .like(EventEntityFields.SEND_STATE_STR, SendState.SYNCED.name)
+                        .findAll()
+                        .map { it.asDomain() }
+                        // Exclude stickers
+                        .filter { it.getClearType() != EventType.STICKER }
+            }
+            events = eventsFromRealm
+        } else {
             val since = params.since ?: tokenStore.getLastToken() ?: throw IllegalStateException("No token available")
 
             val filter = FilterFactory.createUploadsFilter(params.numberOfEvents).toJSONString()
@@ -58,6 +92,14 @@ internal class DefaultGetUploadsTask @Inject constructor(
                 apiCall = roomAPI.getRoomMessagesFrom(params.roomId, since, PaginationDirection.BACKWARDS.value, params.numberOfEvents, filter)
             }
 
+            result = GetUploadsResult(
+                    uploadEvents = emptyList(),
+                    nextToken = chunk.end ?: "",
+                    hasMore = chunk.hasMore()
+            )
+            events = chunk.events
+        }
+
         var uploadEvents = listOf<UploadEvent>()
 
         val cacheOfSenderInfos = mutableMapOf<String, SenderInfo>()
@@ -66,7 +108,7 @@ internal class DefaultGetUploadsTask @Inject constructor(
         monarchy.doWithRealm { realm ->
             val roomMemberHelper = RoomMemberHelper(realm, params.roomId)
 
-            uploadEvents = chunk.events.mapNotNull { event ->
+            uploadEvents = events.mapNotNull { event ->
                 val eventId = event.eventId ?: return@mapNotNull null
                 val messageContent = event.getClearContent()?.toModel<MessageContent>() ?: return@mapNotNull null
                 val messageWithAttachmentContent = (messageContent as? MessageWithAttachmentContent) ?: return@mapNotNull null
@@ -91,10 +133,6 @@ internal class DefaultGetUploadsTask @Inject constructor(
             }
         }
 
-        return GetUploadsResult(
+        return result.copy(uploadEvents = uploadEvents)
-                uploadEvents = uploadEvents,
-                nextToken = chunk.end ?: "",
-                hasMore = chunk.hasMore()
-        )
     }
 }