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Fallback to local manga on network error

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Koitharu
2023-11-22 15:38:39 +02:00
parent 1242a88f8e
commit b9fd2e100d
1 changed files with 8 additions and 10 deletions
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18
app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsLoadUseCase.kt
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@@ -11,8 +11,8 @@ import kotlinx.coroutines.async
import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.channelFlow
import kotlinx.coroutines.runInterruptible
import okio.IOException
import org.koitharu.kotatsu.core.model.isLocal
import org.koitharu.kotatsu.core.os.NetworkState
import org.koitharu.kotatsu.core.parser.MangaDataRepository
import org.koitharu.kotatsu.core.parser.MangaIntent
import org.koitharu.kotatsu.core.parser.MangaRepository
@@ -33,7 +33,6 @@ class DetailsLoadUseCase @Inject constructor(
private val mangaRepositoryFactory: MangaRepository.Factory,
private val recoverUseCase: RecoverMangaUseCase,
private val imageGetter: Html.ImageGetter,
private val networkState: NetworkState,
) {
operator fun invoke(intent: MangaIntent): Flow<MangaDetails> = channelFlow {
@@ -48,16 +47,15 @@ class DetailsLoadUseCase @Inject constructor(
null
}
send(MangaDetails(manga, null, null, false))
if (!networkState.value) {
// try load offline instead
local?.await()?.manga?.let { localManga ->
try {
val details = getDetails(manga)
send(MangaDetails(details, local?.peek(), details.description?.parseAsHtml(withImages = false), false))
send(MangaDetails(details, local?.await(), details.description?.parseAsHtml(withImages = true), true))
} catch (e: IOException) {
local?.await()?.manga?.also { localManga ->
send(MangaDetails(localManga, null, localManga.description?.parseAsHtml(withImages = false), true))
return@channelFlow
}
} ?: throw e
}
val details = getDetails(manga)
send(MangaDetails(details, local?.peek(), details.description?.parseAsHtml(withImages = false), false))
send(MangaDetails(details, local?.await(), details.description?.parseAsHtml(withImages = true), true))
}
private suspend fun getDetails(seed: Manga) = runCatchingCancellable {