forked from GitHub-Mirror/riotX-android
119 lines
5.0 KiB
Kotlin
119 lines
5.0 KiB
Kotlin
package im.vector.matrix.android.internal.events.sync
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import im.vector.matrix.android.api.events.Event
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import im.vector.matrix.android.internal.database.mapper.asEntity
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import im.vector.matrix.android.internal.database.model.ChunkEntity
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import im.vector.matrix.android.internal.database.model.RoomEntity
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import im.vector.matrix.android.internal.database.query.getChunkIncludingEvents
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import im.vector.matrix.android.internal.database.query.getForId
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import im.vector.matrix.android.internal.database.query.getLastChunkFromRoom
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import im.vector.matrix.android.internal.events.sync.data.InvitedRoomSync
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import im.vector.matrix.android.internal.events.sync.data.RoomSync
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import io.realm.Realm
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import io.realm.RealmConfiguration
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class RoomSyncHandler(private val realmConfiguration: RealmConfiguration) {
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sealed class HandlingStrategy {
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data class JOINED(val data: Map<String, RoomSync>) : HandlingStrategy()
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data class INVITED(val data: Map<String, InvitedRoomSync>) : HandlingStrategy()
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data class LEFT(val data: Map<String, RoomSync>) : HandlingStrategy()
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}
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fun handleRoomSync(handlingStrategy: HandlingStrategy) {
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val realm = Realm.getInstance(realmConfiguration)
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realm.executeTransaction { realmInstance ->
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val roomEntities = when (handlingStrategy) {
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is HandlingStrategy.JOINED -> handlingStrategy.data.map { handleJoinedRoom(realm, it.key, it.value) }
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is HandlingStrategy.INVITED -> handlingStrategy.data.map { handleInvitedRoom(realm, it.key, it.value) }
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is HandlingStrategy.LEFT -> handlingStrategy.data.map { handleLeftRoom(it.key, it.value) }
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}
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realmInstance.insertOrUpdate(roomEntities)
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}
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realm.close()
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}
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// PRIVATE METHODS *****************************************************************************
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private fun handleJoinedRoom(realm: Realm,
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roomId: String,
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roomSync: RoomSync): RoomEntity {
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val roomEntity = RoomEntity.getForId(realm, roomId) ?: RoomEntity(roomId)
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if (roomEntity.membership == RoomEntity.Membership.INVITED) {
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roomEntity.chunks.deleteAllFromRealm()
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}
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roomEntity.membership = RoomEntity.Membership.JOINED
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if (roomSync.state != null && roomSync.state.events.isNotEmpty()) {
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val chunkEntity = eventListToChunk(realm, roomId, roomSync.state.events)
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if (!roomEntity.chunks.contains(chunkEntity)) {
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roomEntity.chunks.add(chunkEntity)
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}
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}
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if (roomSync.timeline != null && roomSync.timeline.events.isNotEmpty()) {
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val chunkEntity = eventListToChunk(realm, roomId, roomSync.timeline.events, roomSync.timeline.prevToken, isLimited = roomSync.timeline.limited)
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if (!roomEntity.chunks.contains(chunkEntity)) {
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roomEntity.chunks.add(chunkEntity)
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}
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}
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return roomEntity
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}
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private fun handleInvitedRoom(realm: Realm,
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roomId: String,
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roomSync:
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InvitedRoomSync): RoomEntity {
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val roomEntity = RoomEntity()
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roomEntity.roomId = roomId
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roomEntity.membership = RoomEntity.Membership.INVITED
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if (roomSync.inviteState != null && roomSync.inviteState.events.isNotEmpty()) {
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val chunkEntity = eventListToChunk(realm, roomId, roomSync.inviteState.events)
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if (!roomEntity.chunks.contains(chunkEntity)) {
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roomEntity.chunks.add(chunkEntity)
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}
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}
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return roomEntity
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}
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// TODO : handle it
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private fun handleLeftRoom(roomId: String,
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roomSync: RoomSync): RoomEntity {
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return RoomEntity().apply {
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this.roomId = roomId
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this.membership = RoomEntity.Membership.LEFT
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}
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}
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private fun eventListToChunk(realm: Realm,
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roomId: String,
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eventList: List<Event>,
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prevToken: String? = null,
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nextToken: String? = null,
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isLimited: Boolean = true): ChunkEntity {
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val chunkEntity = if (!isLimited) {
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ChunkEntity.getLastChunkFromRoom(realm, roomId)
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} else {
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val eventIds = eventList.filter { it.eventId != null }.map { it.eventId!! }
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ChunkEntity.getChunkIncludingEvents(realm, eventIds)
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} ?: ChunkEntity().apply { this.prevToken = prevToken }
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chunkEntity.nextToken = nextToken
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chunkEntity.isLimited = isLimited
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eventList.forEach { event ->
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val eventEntity = event.asEntity().let {
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realm.copyToRealmOrUpdate(it)
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}
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if (!chunkEntity.events.contains(eventEntity)) {
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chunkEntity.events.add(eventEntity)
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}
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}
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return chunkEntity
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}
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} |