BayernMessenger/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/sync/ReadReceiptHandler.kt

37 lines
1.4 KiB
Kotlin

package im.vector.matrix.android.internal.session.sync
import im.vector.matrix.android.internal.database.model.ReadReceiptEntity
import io.realm.Realm
// the receipts dictionnaries
// key : $EventId
// value : dict key $UserId
// value dict key ts
// dict value ts value
typealias ReadReceiptContent = Map<String, Map<String, Map<String, Map<String, Double>>>>
class ReadReceiptHandler {
fun handle(realm: Realm, roomId: String, content: ReadReceiptContent?): List<ReadReceiptEntity> {
if (content == null) {
return emptyList()
}
return content
.flatMap { (eventId, receiptDict) ->
receiptDict
.filterKeys { it == "m.read" }
.flatMap { (_, userIdsDict) ->
userIdsDict.map { (userId, paramsDict) ->
val ts = paramsDict.filterKeys { it == "ts" }
.values
.firstOrNull() ?: 0.0
val primaryKey = roomId + userId
ReadReceiptEntity(primaryKey, userId, eventId, roomId, ts)
}
}
}
.apply { realm.insertOrUpdate(this) }
}
}