forked from GitHub-Mirror/riotX-android
76 lines
3.3 KiB
Kotlin
76 lines
3.3 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.matrix.android.internal.session.room.tombstone
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.session.events.model.Event
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import im.vector.matrix.android.api.session.events.model.EventType
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import im.vector.matrix.android.api.session.events.model.toModel
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import im.vector.matrix.android.api.session.room.model.VersioningState
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import im.vector.matrix.android.api.session.room.model.tombstone.RoomTombstoneContent
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import im.vector.matrix.android.internal.database.RealmLiveEntityObserver
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import im.vector.matrix.android.internal.database.mapper.asDomain
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import im.vector.matrix.android.internal.database.model.EventEntity
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import im.vector.matrix.android.internal.database.model.RoomSummaryEntity
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import im.vector.matrix.android.internal.database.query.types
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import im.vector.matrix.android.internal.database.query.where
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import im.vector.matrix.android.internal.di.SessionDatabase
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import io.realm.OrderedCollectionChangeSet
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import io.realm.Realm
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import io.realm.RealmConfiguration
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import io.realm.RealmResults
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import javax.inject.Inject
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internal class RoomTombstoneEventLiveObserver @Inject constructor(@SessionDatabase
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realmConfiguration: RealmConfiguration)
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: RealmLiveEntityObserver<EventEntity>(realmConfiguration) {
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override val query = Monarchy.Query<EventEntity> {
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EventEntity.types(it, listOf(EventType.STATE_ROOM_TOMBSTONE))
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}
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override fun onChange(results: RealmResults<EventEntity>, changeSet: OrderedCollectionChangeSet) {
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changeSet.insertions
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.asSequence()
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.mapNotNull {
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results[it]?.asDomain()
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}
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.toList()
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.also {
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handleRoomTombstoneEvents(it)
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}
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}
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private fun handleRoomTombstoneEvents(tombstoneEvents: List<Event>) = Realm.getInstance(realmConfiguration).use {
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it.executeTransactionAsync { realm ->
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for (event in tombstoneEvents) {
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if (event.roomId == null) continue
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val createRoomContent = event.getClearContent().toModel<RoomTombstoneContent>()
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if (createRoomContent?.replacementRoom == null) continue
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val predecessorRoomSummary = RoomSummaryEntity.where(realm, event.roomId).findFirst()
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?: RoomSummaryEntity(event.roomId)
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if (predecessorRoomSummary.versioningState == VersioningState.NONE) {
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predecessorRoomSummary.versioningState = VersioningState.UPGRADED_ROOM_NOT_JOINED
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}
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realm.insertOrUpdate(predecessorRoomSummary)
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}
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}
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}
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} |