forked from GitHub-Mirror/riotX-android
62 lines
2.6 KiB
Kotlin
62 lines
2.6 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.prune
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.auth.data.Credentials
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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.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.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.configureWith
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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 timber.log.Timber
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import javax.inject.Inject
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/**
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* Listens to the database for the insertion of any redaction event.
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* As it will actually delete the content, it should be called last in the list of listener.
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*/
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internal class EventsPruner @Inject constructor(@SessionDatabase realmConfiguration: RealmConfiguration,
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private val credentials: Credentials,
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private val pruneEventTask: PruneEventTask,
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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> { EventEntity.types(it, listOf(EventType.REDACTION)) }
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override fun onChange(results: RealmResults<EventEntity>, changeSet: OrderedCollectionChangeSet) {
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Timber.v("Event pruner called with ${changeSet.insertions.size} insertions")
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val insertedDomains = changeSet.insertions
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.asSequence()
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.mapNotNull { results[it]?.asDomain() }
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.toList()
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val params = PruneEventTask.Params(
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insertedDomains,
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credentials.userId
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)
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pruneEventTask.configureWith(params).executeBy(taskExecutor)
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}
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} |