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feat(sync): sync feeds concurrently #907

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merged 1 commit into from
Nov 27, 2024
Merged

feat(sync): sync feeds concurrently #907

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27 changes: 14 additions & 13 deletions app/src/main/java/me/ash/reader/domain/service/AbstractRssRepository.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,17 @@ import androidx.work.ListenableWorker
import androidx.work.WorkManager
import com.rometools.rome.feed.synd.SyndFeed
import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flowOn
import kotlinx.coroutines.flow.mapLatest
import kotlinx.coroutines.launch
import kotlinx.coroutines.supervisorScope
import kotlinx.coroutines.sync.Semaphore
import kotlinx.coroutines.sync.withPermit
import me.ash.reader.domain.model.account.Account
import me.ash.reader.domain.model.article.ArticleWithFeed
import me.ash.reader.domain.model.feed.Feed
Expand Down Expand Up @@ -101,21 +105,18 @@ abstract class AbstractRssRepository(
val preTime = System.currentTimeMillis()
val preDate = Date(preTime)
val accountId = context.currentAccountId
feedDao.queryAll(accountId)
.chunked(16)
.forEach {
it.map { feed -> async { syncFeed(feed, preDate) } }
.awaitAll()
.forEach {
if (it.feed.isNotification) {
notificationHelper.notify(it.apply {
articles = articleDao.insertListIfNotExist(it.articles)
})
} else {
articleDao.insertListIfNotExist(it.articles)
}
val semaphore = Semaphore(16)
feedDao.queryAll(accountId).mapIndexed { _, feed ->
async(Dispatchers.IO) {
semaphore.withPermit {
val feedWithArticle = syncFeed(feed, preDate)
val newArticles = articleDao.insertListIfNotExist(feedWithArticle.articles)
if (feedWithArticle.feed.isNotification) {
notificationHelper.notify(feedWithArticle.copy(articles = newArticles))
}
}
}
}.awaitAll()

Log.i("RlOG", "onCompletion: ${System.currentTimeMillis() - preTime}")
accountDao.queryById(accountId)?.let { account ->
Expand Down
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