WordInfoRepositoryImpl.kt

    override fun getWordInfo(word: String): Flow<Resource<List<WordInfo>>> = flow {
        emit(Resource.Loading())

        val wordInfos = dao.getCachedWordInfos(word).map { it.toWordInfo() }
        emit(Resource.Loading(wordInfos))

        try {
            val remoteWorkApi = api.getWorkInfo(word)
            dao.deleteWordInfos(remoteWorkApi.map { it.word!! })
            dao.insertWordInfo(remoteWorkApi.map { it.toWordInfoEntity() })
        } catch (e: HttpException) {
            emit(Resource.Error("Oops! Something went error", data = wordInfos))
        } catch (e: IOException) {
            emit(
                Resource.Error(
                    "Couldn't reach to server. Check your internet connection",
                    wordInfos
                )
            )
        }

        val newWordInfos = dao.getCachedWordInfos(word).map { it.toWordInfo() }
        emit(Resource.Success(newWordInfos))
    }