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Fix endless loading timeline due to conflicting chunks

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This commit is contained in:
SpiritCroc 2022-03-16 13:39:19 +01:00
parent 17d363cf9a
commit 682f4c35d2
3 changed files with 33 additions and 1 deletions
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1
changelog.d/5554.bugfix Normal file
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@ -0,0 +1 @@
Fix sometimes endless loading timeline

11
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/database/query/ChunkEntityQueries.kt
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@ -40,6 +40,17 @@ internal fun ChunkEntity.Companion.find(realm: Realm, roomId: String, prevToken:
return query.findFirst()
}
internal fun ChunkEntity.Companion.findAll(realm: Realm, roomId: String, prevToken: String? = null, nextToken: String? = null): RealmResults<ChunkEntity>? {
val query = where(realm, roomId)
if (prevToken != null) {
query.equalTo(ChunkEntityFields.PREV_TOKEN, prevToken)
}
if (nextToken != null) {
query.equalTo(ChunkEntityFields.NEXT_TOKEN, nextToken)
}
return query.findAll()
}
internal fun ChunkEntity.Companion.findLastForwardChunkOfRoom(realm: Realm, roomId: String): ChunkEntity? {
return where(realm, roomId)
.equalTo(ChunkEntityFields.IS_LAST_FORWARD, true)

22
matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/timeline/TokenChunkEventPersistor.kt
View file

@ -38,6 +38,7 @@ import org.matrix.android.sdk.internal.database.model.TimelineEventEntityFields
import org.matrix.android.sdk.internal.database.query.copyToRealmOrIgnore
import org.matrix.android.sdk.internal.database.query.create
import org.matrix.android.sdk.internal.database.query.find
import org.matrix.android.sdk.internal.database.query.findAll
import org.matrix.android.sdk.internal.database.query.where
import org.matrix.android.sdk.internal.di.SessionDatabase
import org.matrix.android.sdk.internal.di.UserId
@ -80,7 +81,26 @@ internal class TokenChunkEventPersistor @Inject constructor(
val existingChunk = ChunkEntity.find(realm, roomId, prevToken = prevToken, nextToken = nextToken)
if (existingChunk != null) {
Timber.v("This chunk is already in the db, returns")
Timber.v("This chunk is already in the db, checking if this might be caused by broken links")
if (direction == PaginationDirection.FORWARDS) {
val prevChunks = ChunkEntity.findAll(realm, roomId, nextToken = prevToken)
Timber.v("Found ${prevChunks?.size} prevChunks")
prevChunks?.forEach {
if (it.nextChunk != existingChunk) {
Timber.i("Set nextChunk for ${it.identifier()} from ${it.nextChunk?.identifier()} to ${existingChunk.identifier()}")
it.nextChunk = existingChunk
}
}
} else {
val nextChunks = ChunkEntity.findAll(realm, roomId, prevToken = nextToken)
Timber.v("Found ${nextChunks?.size} nextChunks")
nextChunks?.forEach {
if (it.prevChunk != existingChunk) {
Timber.i("Set prevChunk for ${it.identifier()} from ${it.prevChunk?.identifier()} to ${existingChunk.identifier()}")
it.prevChunk = existingChunk
}
}
}
return@awaitTransaction
}
val prevChunk = ChunkEntity.find(realm, roomId, nextToken = prevToken)