forked from GitHub-Mirror/riotX-android
Pagination/Permalink : extract persistence logic in a dedicated class
This commit is contained in:
ganfra
parent
c396c2bec7
commit
9f79a5132d
@ -2,18 +2,13 @@ package im.vector.matrix.android.internal.session.room
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import im.vector.matrix.android.api.session.events.model.Content
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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.room.model.MessageContent
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import im.vector.matrix.android.internal.network.NetworkConstants
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import im.vector.matrix.android.internal.session.room.members.RoomMembersResponse
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import im.vector.matrix.android.internal.session.room.send.SendResponse
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import im.vector.matrix.android.internal.session.room.timeline.EventContextResponse
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import im.vector.matrix.android.internal.session.room.timeline.TokenChunkEvent
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import im.vector.matrix.android.internal.session.room.timeline.PaginationResponse
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import retrofit2.Call
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import retrofit2.http.Body
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import retrofit2.http.GET
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import retrofit2.http.PUT
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import retrofit2.http.Path
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import retrofit2.http.Query
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import retrofit2.http.*
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internal interface RoomAPI {
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@ -32,7 +27,7 @@ internal interface RoomAPI {
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@Query("dir") dir: String,
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@Query("limit") limit: Int,
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@Query("filter") filter: String?
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): Call<TokenChunkEvent>
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): Call<PaginationResponse>
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/**
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@ -7,10 +7,7 @@ import im.vector.matrix.android.api.session.room.send.EventFactory
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import im.vector.matrix.android.internal.session.DefaultSession
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import im.vector.matrix.android.internal.session.room.members.LoadRoomMembersRequest
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import im.vector.matrix.android.internal.session.room.send.DefaultSendService
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import im.vector.matrix.android.internal.session.room.timeline.DefaultTimelineHolder
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import im.vector.matrix.android.internal.session.room.timeline.GetContextOfEventRequest
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import im.vector.matrix.android.internal.session.room.timeline.PaginationRequest
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import im.vector.matrix.android.internal.session.room.timeline.TimelineBoundaryCallback
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import im.vector.matrix.android.internal.session.room.timeline.*
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import im.vector.matrix.android.internal.util.PagingRequestHelper
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import org.koin.dsl.context.ModuleDefinition
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import org.koin.dsl.module.Module
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@ -32,6 +29,10 @@ class RoomModule : Module {
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LoadRoomMembersRequest(get(), get(), get())
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}
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scope(DefaultSession.SCOPE) {
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TokenChunkEventPersistor(get())
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}
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scope(DefaultSession.SCOPE) {
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PaginationRequest(get(), get(), get())
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}
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@ -7,9 +7,14 @@ import im.vector.matrix.android.api.session.events.model.Event
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@JsonClass(generateAdapter = true)
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data class EventContextResponse(
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@Json(name = "event") val event: Event,
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@Json(name = "start") val prevToken: String? = null,
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@Json(name = "start") override val prevToken: String? = null,
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@Json(name = "events_before") val eventsBefore: List<Event> = emptyList(),
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@Json(name = "events_after") val eventsAfter: List<Event> = emptyList(),
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@Json(name = "end") val nextToken: String? = null,
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@Json(name = "state") val stateEvents: List<Event> = emptyList()
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)
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@Json(name = "end") override val nextToken: String? = null,
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@Json(name = "state") override val stateEvents: List<Event> = emptyList()
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) : TokenChunkEvent {
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override val events: List<Event>
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get() = listOf(event)
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}
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@ -1,31 +1,18 @@
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package im.vector.matrix.android.internal.session.room.timeline
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import arrow.core.Try
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.MatrixCallback
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import im.vector.matrix.android.api.util.Cancelable
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import im.vector.matrix.android.internal.database.helper.addOrUpdate
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import im.vector.matrix.android.internal.database.helper.add
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import im.vector.matrix.android.internal.database.helper.addStateEvents
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import im.vector.matrix.android.internal.database.helper.deleteOnCascade
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import im.vector.matrix.android.internal.database.helper.merge
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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.find
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import im.vector.matrix.android.internal.database.query.where
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import im.vector.matrix.android.internal.legacy.util.FilterUtil
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import im.vector.matrix.android.internal.network.executeRequest
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import im.vector.matrix.android.internal.session.room.RoomAPI
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import im.vector.matrix.android.internal.util.CancelableCoroutine
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import im.vector.matrix.android.internal.util.MatrixCoroutineDispatchers
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import im.vector.matrix.android.internal.util.tryTransactionSync
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import io.realm.kotlin.createObject
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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internal class GetContextOfEventRequest(private val roomAPI: RoomAPI,
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private val monarchy: Monarchy,
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private val tokenChunkEventPersistor: TokenChunkEventPersistor,
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private val coroutineDispatchers: MatrixCoroutineDispatchers
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) {
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@ -48,39 +35,9 @@ internal class GetContextOfEventRequest(private val roomAPI: RoomAPI,
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executeRequest<EventContextResponse> {
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apiCall = roomAPI.getContextOfEvent(roomId, eventId, 0, filter)
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}.flatMap { response ->
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insertInDb(response, roomId)
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tokenChunkEventPersistor.insertInDb(response, roomId, PaginationDirection.BACKWARDS).map { response }
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}
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}
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private fun insertInDb(response: EventContextResponse, roomId: String): Try<EventContextResponse> {
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return monarchy
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.tryTransactionSync { realm ->
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val roomEntity = RoomEntity.where(realm, roomId).findFirst()
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?: throw IllegalStateException("You shouldn't use this method without a room")
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val currentChunk = realm.createObject<ChunkEntity>().apply {
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prevToken = response.prevToken
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nextToken = response.nextToken
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}
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currentChunk.add(response.event, PaginationDirection.FORWARDS, isUnlinked = true)
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// Now, handles chunk merge
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val prevChunk = ChunkEntity.find(realm, roomId, nextToken = response.prevToken)
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val nextChunk = ChunkEntity.find(realm, roomId, prevToken = response.nextToken)
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if (prevChunk != null) {
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currentChunk.merge(prevChunk, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(prevChunk)
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}
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if (nextChunk != null) {
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currentChunk.merge(nextChunk, PaginationDirection.FORWARDS)
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roomEntity.deleteOnCascade(nextChunk)
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}
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roomEntity.addOrUpdate(currentChunk)
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roomEntity.addStateEvents(response.stateEvents, stateIndex = Int.MIN_VALUE, isUnlinked = true)
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}
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.map { response }
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}
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}
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@ -1,34 +1,19 @@
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package im.vector.matrix.android.internal.session.room.timeline
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import arrow.core.Try
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import arrow.core.failure
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.api.MatrixCallback
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import im.vector.matrix.android.api.util.Cancelable
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import im.vector.matrix.android.internal.database.helper.addAll
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import im.vector.matrix.android.internal.database.helper.addOrUpdate
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import im.vector.matrix.android.internal.database.helper.addStateEvents
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import im.vector.matrix.android.internal.database.helper.deleteOnCascade
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import im.vector.matrix.android.internal.database.helper.isUnlinked
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import im.vector.matrix.android.internal.database.helper.merge
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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.find
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import im.vector.matrix.android.internal.database.query.findAllIncludingEvents
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import im.vector.matrix.android.internal.database.query.where
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import im.vector.matrix.android.internal.legacy.util.FilterUtil
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import im.vector.matrix.android.internal.network.executeRequest
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import im.vector.matrix.android.internal.session.room.RoomAPI
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import im.vector.matrix.android.internal.util.CancelableCoroutine
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import im.vector.matrix.android.internal.util.MatrixCoroutineDispatchers
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import im.vector.matrix.android.internal.util.tryTransactionSync
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import io.realm.kotlin.createObject
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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internal class PaginationRequest(private val roomAPI: RoomAPI,
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private val monarchy: Monarchy,
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private val tokenChunkEventPersistor: TokenChunkEventPersistor,
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private val coroutineDispatchers: MatrixCoroutineDispatchers
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) {
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@ -55,66 +40,13 @@ internal class PaginationRequest(private val roomAPI: RoomAPI,
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if (from == null) {
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return@withContext RuntimeException("From token shouldn't be null").failure<TokenChunkEvent>()
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}
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executeRequest<TokenChunkEvent> {
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executeRequest<PaginationResponse> {
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apiCall = roomAPI.getRoomMessagesFrom(roomId, from, direction.value, limit, filter)
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}.flatMap { chunk ->
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insertInDb(chunk, roomId, direction)
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tokenChunkEventPersistor
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.insertInDb(chunk, roomId, direction)
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.map { chunk }
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}
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}
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private fun insertInDb(receivedChunk: TokenChunkEvent,
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roomId: String,
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direction: PaginationDirection): Try<TokenChunkEvent> {
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return monarchy
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.tryTransactionSync { realm ->
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val roomEntity = RoomEntity.where(realm, roomId).findFirst()
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?: throw IllegalStateException("You shouldn't use this method without a room")
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// We create a new chunk with prev and next token as a base
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// In case of permalink, we may not encounter other chunks, so it can be added
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val newChunk = realm.createObject<ChunkEntity>().apply {
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prevToken = receivedChunk.prevToken
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nextToken = receivedChunk.nextToken
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}
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newChunk.addAll(receivedChunk.events, direction, isUnlinked = true)
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// The current chunk is the one we will keep all along the merge process.
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var currentChunk = newChunk
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val prevChunk = ChunkEntity.find(realm, roomId, nextToken = receivedChunk.prevToken)
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val nextChunk = ChunkEntity.find(realm, roomId, prevToken = receivedChunk.nextToken)
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// We always merge the bottom chunk into top chunk, so we are always merging backwards
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if (prevChunk != null) {
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newChunk.merge(prevChunk, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(prevChunk)
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}
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if (nextChunk != null) {
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nextChunk.merge(newChunk, PaginationDirection.BACKWARDS)
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newChunk.deleteOnCascade()
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currentChunk = nextChunk
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}
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val newEventIds = receivedChunk.events.mapNotNull { it.eventId }
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ChunkEntity
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.findAllIncludingEvents(realm, newEventIds)
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.filter { it != currentChunk }
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.forEach { overlapped ->
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if (direction == PaginationDirection.BACKWARDS) {
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currentChunk.merge(overlapped, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(overlapped)
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} else {
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overlapped.merge(currentChunk, PaginationDirection.BACKWARDS)
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currentChunk = overlapped
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}
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}
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roomEntity.addOrUpdate(currentChunk)
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// TODO : there is an issue with the pagination sending unwanted room member events
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val isUnlinked = currentChunk.isUnlinked()
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roomEntity.addStateEvents(receivedChunk.stateEvents, isUnlinked = isUnlinked)
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}
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.map { receivedChunk }
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}
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}
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@ -0,0 +1,13 @@
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package im.vector.matrix.android.internal.session.room.timeline
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import com.squareup.moshi.Json
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import com.squareup.moshi.JsonClass
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import im.vector.matrix.android.api.session.events.model.Event
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@JsonClass(generateAdapter = true)
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internal data class PaginationResponse(
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@Json(name = "start") override val nextToken: String? = null,
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@Json(name = "end") override val prevToken: String? = null,
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@Json(name = "chunk") override val events: List<Event> = emptyList(),
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@Json(name = "state") override val stateEvents: List<Event> = emptyList()
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) : TokenChunkEvent
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@ -1,13 +1,10 @@
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package im.vector.matrix.android.internal.session.room.timeline
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import com.squareup.moshi.Json
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import com.squareup.moshi.JsonClass
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import im.vector.matrix.android.api.session.events.model.Event
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@JsonClass(generateAdapter = true)
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internal data class TokenChunkEvent(
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@Json(name = "start") val nextToken: String? = null,
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@Json(name = "end") val prevToken: String? = null,
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@Json(name = "chunk") val events: List<Event> = emptyList(),
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@Json(name = "state") val stateEvents: List<Event> = emptyList()
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)
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internal interface TokenChunkEvent {
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val nextToken: String?
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val prevToken: String?
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val events: List<Event>
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val stateEvents: List<Event>
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}
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@ -0,0 +1,73 @@
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package im.vector.matrix.android.internal.session.room.timeline
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import arrow.core.Try
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import com.zhuinden.monarchy.Monarchy
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import im.vector.matrix.android.internal.database.helper.*
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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.find
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import im.vector.matrix.android.internal.database.query.findAllIncludingEvents
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import im.vector.matrix.android.internal.database.query.where
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import im.vector.matrix.android.internal.util.tryTransactionSync
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import io.realm.kotlin.createObject
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internal class TokenChunkEventPersistor(private val monarchy: Monarchy) {
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fun insertInDb(receivedChunk: TokenChunkEvent,
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roomId: String,
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direction: PaginationDirection): Try<Unit> {
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return monarchy
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.tryTransactionSync { realm ->
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val roomEntity = RoomEntity.where(realm, roomId).findFirst()
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?: throw IllegalStateException("You shouldn't use this method without a room")
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// We create a new chunk with prev and next token as a base
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// In case of permalink, we may not encounter other chunks, so it can be added
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// By default, it's an unlinked chunk
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val newChunk = realm.createObject<ChunkEntity>().apply {
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prevToken = receivedChunk.prevToken
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nextToken = receivedChunk.nextToken
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}
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newChunk.addAll(receivedChunk.events, direction, isUnlinked = true)
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// The current chunk is the one we will keep all along the merge process.
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var currentChunk = newChunk
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val prevChunk = ChunkEntity.find(realm, roomId, nextToken = receivedChunk.prevToken)
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val nextChunk = ChunkEntity.find(realm, roomId, prevToken = receivedChunk.nextToken)
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// We always merge the bottom chunk into top chunk, so we are always merging backwards
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if (prevChunk != null) {
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newChunk.merge(prevChunk, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(prevChunk)
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}
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if (nextChunk != null) {
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nextChunk.merge(newChunk, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(newChunk)
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currentChunk = nextChunk
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}
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val newEventIds = receivedChunk.events.mapNotNull { it.eventId }
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ChunkEntity
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.findAllIncludingEvents(realm, newEventIds)
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.filter { it != currentChunk }
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.forEach { overlapped ->
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if (direction == PaginationDirection.BACKWARDS) {
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currentChunk.merge(overlapped, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(overlapped)
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} else {
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overlapped.merge(currentChunk, PaginationDirection.BACKWARDS)
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roomEntity.deleteOnCascade(currentChunk)
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currentChunk = overlapped
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}
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}
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roomEntity.addOrUpdate(currentChunk)
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// TODO : there is an issue with the pagination sending unwanted room member events
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val isUnlinked = currentChunk.isUnlinked()
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roomEntity.addStateEvents(receivedChunk.stateEvents, isUnlinked = isUnlinked)
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}
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}
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}
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