Avoid using global scope where appropriate

Also fixes the crash in tracking when an exception is thrown during a refresh.
This commit is contained in:
arkon 2021-01-08 18:05:51 -05:00
parent 96b8beb9cd
commit 2ffbee3db2
14 changed files with 88 additions and 81 deletions

View file

@ -8,8 +8,7 @@ import eu.kanade.tachiyomi.network.POST
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.jsonMime
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.buildJsonObject
import kotlinx.serialization.json.contentOrNull
@ -30,7 +29,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
private val authClient = client.newBuilder().addInterceptor(interceptor).build()
suspend fun addLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val query =
"""
|mutation AddManga(${'$'}mangaId: Int, ${'$'}progress: Int, ${'$'}status: MediaListStatus) {
@ -65,7 +64,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
}
suspend fun updateLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val query =
"""
|mutation UpdateManga(${'$'}listId: Int, ${'$'}progress: Int, ${'$'}status: MediaListStatus, ${'$'}score: Int) {
@ -92,7 +91,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
}
suspend fun search(search: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val query =
"""
|query Search(${'$'}query: String) {
@ -143,7 +142,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
}
suspend fun findLibManga(track: Track, userid: Int): Track? {
return withContext(Dispatchers.IO) {
return withIOContext {
val query =
"""
|query (${'$'}id: Int!, ${'$'}manga_id: Int!) {
@ -209,7 +208,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
}
suspend fun getCurrentUser(): Pair<Int, String> {
return withContext(Dispatchers.IO) {
return withIOContext {
val query =
"""
|query User {

View file

@ -9,8 +9,7 @@ import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.network.POST
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.JsonObject
@ -33,7 +32,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
private val authClient = client.newBuilder().addInterceptor(interceptor).build()
suspend fun addLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val body = FormBody.Builder()
.add("rating", track.score.toInt().toString())
.add("status", track.toBangumiStatus())
@ -45,7 +44,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
}
suspend fun updateLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
// read status update
val sbody = FormBody.Builder()
.add("status", track.toBangumiStatus())
@ -69,7 +68,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
}
suspend fun search(search: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "$apiUrl/search/subject/${URLEncoder.encode(search, Charsets.UTF_8.name())}"
.toUri()
.buildUpon()
@ -117,7 +116,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
}
suspend fun findLibManga(track: Track): Track? {
return withContext(Dispatchers.IO) {
return withIOContext {
authClient.newCall(GET("$apiUrl/subject/${track.media_id}"))
.await()
.parseAs<JsonObject>()
@ -126,7 +125,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
}
suspend fun statusLibManga(track: Track): Track? {
return withContext(Dispatchers.IO) {
return withIOContext {
val urlUserRead = "$apiUrl/collection/${track.media_id}"
val requestUserRead = Request.Builder()
.url(urlUserRead)
@ -147,7 +146,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
}
suspend fun accessToken(code: String): OAuth {
return withContext(Dispatchers.IO) {
return withIOContext {
client.newCall(accessTokenRequest(code))
.await()
.parseAs()

View file

@ -8,8 +8,7 @@ import eu.kanade.tachiyomi.network.POST
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.jsonMime
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.buildJsonObject
import kotlinx.serialization.json.int
@ -31,7 +30,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
private val authClient = client.newBuilder().addInterceptor(interceptor).build()
suspend fun addLibManga(track: Track, userId: String): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val data = buildJsonObject {
putJsonObject("data") {
put("type", "libraryEntries")
@ -76,7 +75,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun updateLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val data = buildJsonObject {
putJsonObject("data") {
put("type", "libraryEntries")
@ -110,7 +109,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun search(query: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
authClient.newCall(GET(algoliaKeyUrl))
.await()
.parseAs<JsonObject>()
@ -122,7 +121,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
private suspend fun algoliaSearch(key: String, query: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val jsonObject = buildJsonObject {
put("params", "query=$query$algoliaFilter")
}
@ -151,7 +150,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun findLibManga(track: Track, userId: String): Track? {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "${baseUrl}library-entries".toUri().buildUpon()
.encodedQuery("filter[manga_id]=${track.media_id}&filter[user_id]=$userId")
.appendQueryParameter("include", "manga")
@ -172,7 +171,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun getLibManga(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "${baseUrl}library-entries".toUri().buildUpon()
.encodedQuery("filter[id]=${track.media_id}")
.appendQueryParameter("include", "manga")
@ -193,7 +192,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun login(username: String, password: String): OAuth {
return withContext(Dispatchers.IO) {
return withIOContext {
val formBody: RequestBody = FormBody.Builder()
.add("username", username)
.add("password", password)
@ -208,7 +207,7 @@ class KitsuApi(private val client: OkHttpClient, interceptor: KitsuInterceptor)
}
suspend fun getCurrentUser(): String {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "${baseUrl}users".toUri().buildUpon()
.encodedQuery("filter[self]=true")
.build()

View file

@ -10,10 +10,9 @@ import eu.kanade.tachiyomi.network.POST
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.parseAs
import eu.kanade.tachiyomi.util.PkceUtil
import kotlinx.coroutines.Dispatchers
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
import kotlinx.coroutines.withContext
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.boolean
import kotlinx.serialization.json.contentOrNull
@ -33,7 +32,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
private val authClient = client.newBuilder().addInterceptor(interceptor).build()
suspend fun getAccessToken(authCode: String): OAuth {
return withContext(Dispatchers.IO) {
return withIOContext {
val formBody: RequestBody = FormBody.Builder()
.add("client_id", clientId)
.add("code", authCode)
@ -47,7 +46,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun getCurrentUser(): String {
return withContext(Dispatchers.IO) {
return withIOContext {
val request = Request.Builder()
.url("$baseApiUrl/users/@me")
.get()
@ -60,7 +59,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun search(query: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "$baseApiUrl/manga".toUri().buildUpon()
.appendQueryParameter("q", query)
.appendQueryParameter("nsfw", "true")
@ -82,7 +81,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun getMangaDetails(id: Int): TrackSearch {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "$baseApiUrl/manga".toUri().buildUpon()
.appendPath(id.toString())
.appendQueryParameter("fields", "id,title,synopsis,num_chapters,main_picture,status,media_type,start_date")
@ -113,7 +112,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun getListItem(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val formBody: RequestBody = FormBody.Builder()
.add("status", track.toMyAnimeListStatus() ?: "reading")
.build()
@ -129,7 +128,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun addItemToList(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val formBody: RequestBody = FormBody.Builder()
.add("status", "reading")
.add("score", "0")
@ -146,7 +145,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun updateItem(track: Track): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val formBody: RequestBody = FormBody.Builder()
.add("status", track.toMyAnimeListStatus() ?: "reading")
.add("is_rereading", (track.status == MyAnimeList.REREADING).toString())
@ -188,7 +187,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
suspend fun findListItems(query: String, offset: Int = 0): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val json = getListPage(offset)
val obj = json.jsonObject
@ -215,7 +214,7 @@ class MyAnimeListApi(private val client: OkHttpClient, interceptor: MyAnimeListI
}
private suspend fun getListPage(offset: Int): JsonObject {
return withContext(Dispatchers.IO) {
return withIOContext {
val urlBuilder = "$baseApiUrl/users/@me/mangalist".toUri().buildUpon()
.appendQueryParameter("fields", "list_status")
.appendQueryParameter("limit", listPaginationAmount.toString())

View file

@ -9,9 +9,8 @@ import eu.kanade.tachiyomi.network.POST
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.jsonMime
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.withContext
import kotlinx.serialization.json.JsonArray
import kotlinx.serialization.json.JsonObject
import kotlinx.serialization.json.buildJsonObject
@ -30,7 +29,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
private val authClient = client.newBuilder().addInterceptor(interceptor).build()
suspend fun addLibManga(track: Track, user_id: String): Track {
return withContext(Dispatchers.IO) {
return withIOContext {
val payload = buildJsonObject {
putJsonObject("user_rate") {
put("user_id", user_id)
@ -54,7 +53,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
suspend fun updateLibManga(track: Track, user_id: String): Track = addLibManga(track, user_id)
suspend fun search(search: String): List<TrackSearch> {
return withContext(Dispatchers.IO) {
return withIOContext {
val url = "$apiUrl/mangas".toUri().buildUpon()
.appendQueryParameter("order", "popularity")
.appendQueryParameter("search", search)
@ -98,7 +97,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
}
suspend fun findLibManga(track: Track, user_id: String): Track? {
return withContext(Dispatchers.IO) {
return withIOContext {
val urlMangas = "$apiUrl/mangas".toUri().buildUpon()
.appendPath(track.media_id.toString())
.build()
@ -138,7 +137,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
}
suspend fun accessToken(code: String): OAuth {
return withContext(Dispatchers.IO) {
return withIOContext {
client.newCall(accessTokenRequest(code))
.await()
.parseAs()

View file

@ -6,8 +6,7 @@ import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.network.NetworkHelper
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import eu.kanade.tachiyomi.util.lang.withIOContext
import uy.kohesive.injekt.injectLazy
class GithubUpdateChecker {
@ -23,7 +22,7 @@ class GithubUpdateChecker {
}
suspend fun checkForUpdate(): UpdateResult {
return withContext(Dispatchers.IO) {
return withIOContext {
networkService.client
.newCall(GET("https://api.github.com/repos/$repo/releases/latest"))
.await()

View file

@ -9,8 +9,7 @@ import eu.kanade.tachiyomi.network.GET
import eu.kanade.tachiyomi.network.NetworkHelper
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.network.parseAs
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import eu.kanade.tachiyomi.util.lang.withIOContext
import kotlinx.serialization.json.JsonArray
import kotlinx.serialization.json.int
import kotlinx.serialization.json.jsonObject
@ -24,7 +23,7 @@ internal class ExtensionGithubApi {
private val preferences: PreferencesHelper by injectLazy()
suspend fun findExtensions(): List<Extension.Available> {
return withContext(Dispatchers.IO) {
return withIOContext {
networkService.client
.newCall(GET("${REPO_URL_PREFIX}index.min.json"))
.await()

View file

@ -55,13 +55,13 @@ class SearchPresenter(
replacingMangaRelay.call(true)
launchIO {
presenterScope.launchIO {
val chapters = source.getChapterList(manga.toMangaInfo())
.map { it.toSChapter() }
migrateMangaInternal(source, chapters, prevManga, manga, replace)
}.invokeOnCompletion {
launchUI { replacingMangaRelay.call(false) }
presenterScope.launchUI { replacingMangaRelay.call(false) }
}
}

View file

@ -31,7 +31,7 @@ import eu.kanade.tachiyomi.ui.browse.source.filter.TriStateItem
import eu.kanade.tachiyomi.ui.browse.source.filter.TriStateSectionItem
import eu.kanade.tachiyomi.util.chapter.ChapterSettingsHelper
import eu.kanade.tachiyomi.util.lang.launchIO
import eu.kanade.tachiyomi.util.lang.launchUI
import eu.kanade.tachiyomi.util.lang.withUIContext
import eu.kanade.tachiyomi.util.removeCovers
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asFlow
@ -213,12 +213,12 @@ open class BrowseSourcePresenter(
* @param mangas the list of manga to initialize.
*/
fun initializeMangas(mangas: List<Manga>) {
launchIO {
presenterScope.launchIO {
mangas.asFlow()
.filter { it.thumbnail_url == null && !it.initialized }
.map { getMangaDetails(it) }
.onEach {
launchUI {
withUIContext {
@Suppress("DEPRECATION")
view?.onMangaInitialized(it)
}

View file

@ -292,7 +292,7 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
setSelectedNavItem(startScreenId)
} else if (shouldHandleExitConfirmation()) {
// Exit confirmation (resets after 2 seconds)
launchUI { resetExitConfirmation() }
lifecycleScope.launchUI { resetExitConfirmation() }
} else if (backstackSize == 1 || !router.handleBack()) {
// Regular back
super.onBackPressed()

View file

@ -26,7 +26,7 @@ import eu.kanade.tachiyomi.util.chapter.syncChaptersWithSource
import eu.kanade.tachiyomi.util.isLocal
import eu.kanade.tachiyomi.util.lang.await
import eu.kanade.tachiyomi.util.lang.launchIO
import eu.kanade.tachiyomi.util.lang.launchUI
import eu.kanade.tachiyomi.util.lang.withUIContext
import eu.kanade.tachiyomi.util.prepUpdateCover
import eu.kanade.tachiyomi.util.removeCovers
import eu.kanade.tachiyomi.util.shouldDownloadNewChapters
@ -161,7 +161,7 @@ class MangaPresenter(
*/
fun fetchMangaFromSource(manualFetch: Boolean = false) {
if (fetchMangaJob?.isActive == true) return
fetchMangaJob = launchIO {
fetchMangaJob = presenterScope.launchIO {
try {
val networkManga = source.getMangaDetails(manga.toMangaInfo())
val sManga = networkManga.toSManga()
@ -170,9 +170,9 @@ class MangaPresenter(
manga.initialized = true
db.insertManga(manga).await()
launchUI { view?.onFetchMangaInfoDone() }
withUIContext { view?.onFetchMangaInfoDone() }
} catch (e: Throwable) {
launchUI { view?.onFetchMangaInfoError(e) }
withUIContext { view?.onFetchMangaInfoError(e) }
}
}
}
@ -360,9 +360,9 @@ class MangaPresenter(
downloadNewChapters(newChapters)
}
launchUI { view?.onFetchChaptersDone() }
withUIContext { view?.onFetchChaptersDone() }
} catch (e: Throwable) {
launchUI { view?.onFetchChaptersError(e) }
withUIContext { view?.onFetchChaptersError(e) }
}
}
}

View file

@ -10,11 +10,12 @@ import eu.kanade.tachiyomi.data.track.TrackService
import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
import eu.kanade.tachiyomi.util.lang.await
import eu.kanade.tachiyomi.util.lang.launchIO
import eu.kanade.tachiyomi.util.lang.launchUI
import eu.kanade.tachiyomi.util.lang.withUIContext
import eu.kanade.tachiyomi.util.system.toast
import kotlinx.coroutines.Job
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
import kotlinx.coroutines.supervisorScope
import rx.Subscription
import rx.android.schedulers.AndroidSchedulers
import uy.kohesive.injekt.Injekt
@ -59,20 +60,22 @@ class TrackPresenter(
fun refresh() {
refreshJob?.cancel()
refreshJob = launchIO {
try {
trackList
.filter { it.track != null }
.map {
async {
val track = it.service.refresh(it.track!!)
db.insertTrack(track).await()
supervisorScope {
try {
trackList
.filter { it.track != null }
.map {
async {
val track = it.service.refresh(it.track!!)
db.insertTrack(track).await()
}
}
}
.awaitAll()
.awaitAll()
view?.onRefreshDone()
} catch (e: Throwable) {
view?.onRefreshError(e)
withUIContext { view?.onRefreshDone() }
} catch (e: Throwable) {
withUIContext { view?.onRefreshError(e) }
}
}
}
}
@ -82,9 +85,9 @@ class TrackPresenter(
searchJob = launchIO {
try {
val results = service.search(query)
launchUI { view?.onSearchResults(results) }
withUIContext { view?.onSearchResults(results) }
} catch (e: Throwable) {
launchUI { view?.onSearchResultsError(e) }
withUIContext { view?.onSearchResultsError(e) }
}
}
}
@ -97,7 +100,7 @@ class TrackPresenter(
service.bind(item)
db.insertTrack(item).await()
} catch (e: Throwable) {
launchUI { context.toast(e.message) }
withUIContext { context.toast(e.message) }
}
}
} else {
@ -114,9 +117,9 @@ class TrackPresenter(
try {
service.update(track)
db.insertTrack(track).await()
view?.onRefreshDone()
withUIContext { view?.onRefreshDone() }
} catch (e: Throwable) {
launchUI { view?.onRefreshError(e) }
withUIContext { view?.onRefreshError(e) }
// Restart on error to set old values
fetchTrackings()

View file

@ -8,7 +8,7 @@ import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.track.TrackManager
import eu.kanade.tachiyomi.data.track.TrackService
import eu.kanade.tachiyomi.util.lang.launchIO
import eu.kanade.tachiyomi.util.lang.launchUI
import eu.kanade.tachiyomi.util.lang.withUIContext
import eu.kanade.tachiyomi.util.system.toast
import eu.kanade.tachiyomi.widget.preference.LoginDialogPreference
import uy.kohesive.injekt.Injekt
@ -46,11 +46,11 @@ class TrackLoginDialog(
try {
service.login(user, pass)
dialog?.dismiss()
launchUI { view?.context?.toast(R.string.login_success) }
withUIContext { view?.context?.toast(R.string.login_success) }
} catch (e: Throwable) {
binding?.login?.progress = -1
binding?.login?.setText(R.string.unknown_error)
launchUI { e.message?.let { view?.context?.toast(it) } }
withUIContext { e.message?.let { view?.context?.toast(it) } }
}
}
}

View file

@ -6,6 +6,7 @@ import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
fun launchUI(block: suspend CoroutineScope.() -> Unit): Job =
GlobalScope.launch(Dispatchers.Main, CoroutineStart.DEFAULT, block)
@ -15,3 +16,13 @@ fun launchIO(block: suspend CoroutineScope.() -> Unit): Job =
fun launchNow(block: suspend CoroutineScope.() -> Unit): Job =
GlobalScope.launch(Dispatchers.Main, CoroutineStart.UNDISPATCHED, block)
fun CoroutineScope.launchUI(block: suspend CoroutineScope.() -> Unit): Job =
launch(Dispatchers.Main, block = block)
fun CoroutineScope.launchIO(block: suspend CoroutineScope.() -> Unit): Job =
launch(Dispatchers.IO, block = block)
suspend fun <T> withUIContext(block: suspend CoroutineScope.() -> T) = withContext(Dispatchers.Main, block)
suspend fun <T> withIOContext(block: suspend CoroutineScope.() -> T) = withContext(Dispatchers.IO, block)