forked from GitHub-Mirror/riotX-android
67 lines
3.2 KiB
Kotlin
67 lines
3.2 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.user
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.session.events.model.EventType
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import im.vector.matrix.android.internal.database.RealmLiveEntityObserver
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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.EventEntityFields
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import im.vector.matrix.android.internal.database.model.UserEntity
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import im.vector.matrix.android.internal.database.query.types
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import im.vector.matrix.android.internal.di.SessionDatabase
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import im.vector.matrix.android.internal.task.TaskExecutor
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import im.vector.matrix.android.internal.task.TaskThread
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import im.vector.matrix.android.internal.task.configureWith
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import im.vector.matrix.android.internal.util.tryTransactionAsync
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import im.vector.matrix.android.internal.util.tryTransactionSync
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import io.realm.OrderedCollectionChangeSet
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import io.realm.RealmConfiguration
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import io.realm.RealmResults
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import io.realm.Sort
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import javax.inject.Inject
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internal class UserEntityUpdater @Inject constructor(@SessionDatabase realmConfiguration: RealmConfiguration,
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private val monarchy: Monarchy,
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private val updateUserTask: UpdateUserTask,
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private val taskExecutor: TaskExecutor)
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: RealmLiveEntityObserver<EventEntity>(realmConfiguration) {
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override val query = Monarchy.Query<EventEntity> {
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EventEntity
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.types(it, listOf(EventType.STATE_ROOM_MEMBER))
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.sort(EventEntityFields.STATE_INDEX, Sort.DESCENDING)
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.distinct(EventEntityFields.STATE_KEY)
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}
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override fun onChange(results: RealmResults<EventEntity>, changeSet: OrderedCollectionChangeSet) {
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monarchy.tryTransactionSync { realm ->
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val userEntities = ArrayList<UserEntity>(changeSet.insertions.size)
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for (insertion in changeSet.insertions) {
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val roomMemberEvent = results[insertion] ?: continue
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val roomMemberTimelineEvent = roomMemberEvent.timelineEventEntity?.firstOrNull()
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?: continue
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val userEntity = UserEntity(roomMemberEvent.stateKey
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?: "", roomMemberTimelineEvent.senderName ?: "",
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roomMemberTimelineEvent.senderAvatar ?: "")
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userEntities.add(userEntity)
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}
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realm.insertOrUpdate(userEntities)
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}
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}
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} |