forked from GitHub-Mirror/riotX-android
102 lines
4.1 KiB
Kotlin
102 lines
4.1 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.sync
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import im.vector.matrix.android.internal.database.model.ReadReceiptEntity
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import im.vector.matrix.android.internal.database.model.ReadReceiptsSummaryEntity
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import im.vector.matrix.android.internal.database.query.createUnmanaged
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import im.vector.matrix.android.internal.database.query.getOrCreate
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import im.vector.matrix.android.internal.database.query.where
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import io.realm.Realm
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import timber.log.Timber
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import javax.inject.Inject
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// the receipts dictionnaries
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// key : $EventId
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// value : dict key $UserId
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// value dict key ts
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// dict value ts value
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typealias ReadReceiptContent = Map<String, Map<String, Map<String, Map<String, Double>>>>
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private const val READ_KEY = "m.read"
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private const val TIMESTAMP_KEY = "ts"
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internal class ReadReceiptHandler @Inject constructor() {
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fun handle(realm: Realm, roomId: String, content: ReadReceiptContent?, isInitialSync: Boolean) {
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if (content == null) {
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return
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}
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try {
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handleReadReceiptContent(realm, roomId, content, isInitialSync)
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} catch (exception: Exception) {
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Timber.e("Fail to handle read receipt for room $roomId")
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}
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}
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private fun handleReadReceiptContent(realm: Realm, roomId: String, content: ReadReceiptContent, isInitialSync: Boolean) {
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if (isInitialSync) {
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initialSyncStrategy(realm, roomId, content)
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} else {
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incrementalSyncStrategy(realm, roomId, content)
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}
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}
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private fun initialSyncStrategy(realm: Realm, roomId: String, content: ReadReceiptContent) {
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val readReceiptSummaries = ArrayList<ReadReceiptsSummaryEntity>()
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for ((eventId, receiptDict) in content) {
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val userIdsDict = receiptDict[READ_KEY] ?: continue
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val readReceiptsSummary = ReadReceiptsSummaryEntity(eventId = eventId, roomId = roomId)
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for ((userId, paramsDict) in userIdsDict) {
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val ts = paramsDict[TIMESTAMP_KEY] ?: 0.0
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val receiptEntity = ReadReceiptEntity.createUnmanaged(roomId, eventId, userId, ts)
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readReceiptsSummary.readReceipts.add(receiptEntity)
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}
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readReceiptSummaries.add(readReceiptsSummary)
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}
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realm.insertOrUpdate(readReceiptSummaries)
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}
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private fun incrementalSyncStrategy(realm: Realm, roomId: String, content: ReadReceiptContent) {
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for ((eventId, receiptDict) in content) {
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val userIdsDict = receiptDict[READ_KEY] ?: continue
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val readReceiptsSummary = ReadReceiptsSummaryEntity.where(realm, eventId).findFirst()
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?: realm.createObject(ReadReceiptsSummaryEntity::class.java, eventId).apply {
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this.roomId = roomId
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}
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for ((userId, paramsDict) in userIdsDict) {
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val ts = paramsDict[TIMESTAMP_KEY] ?: 0.0
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val receiptEntity = ReadReceiptEntity.getOrCreate(realm, roomId, userId)
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// ensure new ts is superior to the previous one
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if (ts > receiptEntity.originServerTs) {
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ReadReceiptsSummaryEntity.where(realm, receiptEntity.eventId).findFirst()?.also {
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it.readReceipts.remove(receiptEntity)
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}
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receiptEntity.eventId = eventId
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receiptEntity.originServerTs = ts
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readReceiptsSummary.readReceipts.add(receiptEntity)
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}
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}
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}
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}
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} |