Getting Speakers from speaker ID

SessionsRepo.kt

    val speakersList :List<SpeakersModel> = getSpeakersInfo()
            val sessionList : List<SessionsModel> = snapshots.toObjects<SessionsModel>()
            sessionList.map { sessionModel ->
                val sessionSpeakerIdList = sessionModel.speaker_id
                sessionSpeakerIdList.forEach { speakerId ->
                    speakersList.forEach {speakerModel ->
                        if (sessionSpeakerIdList.contains(speakerModel.id)){
                            sessionModel.speakerList.add(speakerModel)
                        }
                    }
                }
            }