Paging source of our Paging 3 library

GamesSource.kt

class GamesSource(
    private val gamesRepository: GamesRepository
) : PagingSource<Int, GameResultsEntity>() {

    override suspend fun load(
        params: LoadParams<Int>
    ): LoadResult<Int, GameResultsEntity> {
        val nextPage = params.key ?: 1
        val gamesResponse =
            gamesRepository.getAllGames(nextPage)
        return if (gamesResponse.data == null) {
            LoadResult.Error(
                Exception(gamesResponse.error.toString())
            )
        } else {
            LoadResult.Page(
                data = gamesResponse.data.gameEntities,
                prevKey =
                    if (nextPage == 1) null
                    else nextPage - 1,
                nextKey = nextPage.plus(1)
            )
        }
    }
}