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Add more replacement suspend functions for source APIs

Browse Source 
These are basically 1-to-1 replacements for the existing RxJava APIs.
This will make the initial migration off of RxJava simpler. We'll
revisit the actual call flows in followup versions of the API.
This commit is contained in:
arkon 2023-09-08 17:28:04 -04:00
parent 1668be8587
commit 26c5d761da
12 changed files with 137 additions and 128 deletions
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3
app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt
View File

@ -43,7 +43,6 @@ import nl.adaptivity.xmlutil.serialization.XML
import okhttp3.Response
import tachiyomi.core.metadata.comicinfo.COMIC_INFO_FILE
import tachiyomi.core.metadata.comicinfo.ComicInfo
import tachiyomi.core.util.lang.awaitSingle
import tachiyomi.core.util.lang.launchIO
import tachiyomi.core.util.lang.launchNow
import tachiyomi.core.util.lang.withIOContext
@ -363,7 +362,7 @@ class Downloader(
if (page.imageUrl.isNullOrEmpty()) {
page.status = Page.State.LOAD_PAGE
try {
page.imageUrl = download.source.fetchImageUrl(page).awaitSingle()
page.imageUrl = download.source.getImageUrl(page)
} catch (e: Throwable) {
page.status = Page.State.ERROR
}

3
app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/SearchScreenModel.kt
View File

@ -19,7 +19,6 @@ import kotlinx.coroutines.flow.update
import kotlinx.coroutines.isActive
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import tachiyomi.core.util.lang.awaitSingle
import tachiyomi.domain.manga.interactor.GetManga
import tachiyomi.domain.manga.interactor.NetworkToLocalManga
import tachiyomi.domain.manga.model.Manga
@ -140,7 +139,7 @@ abstract class SearchScreenModel(
try {
val page = withContext(coroutineDispatcher) {
source.fetchSearchManga(1, query, source.getFilterList()).awaitSingle()
source.getSearchManga(1, query, source.getFilterList())
}
val titles = page.mangas.map {

3
app/src/main/java/eu/kanade/tachiyomi/ui/reader/loader/HttpPageLoader.kt
View File

@ -15,7 +15,6 @@ import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.runInterruptible
import kotlinx.coroutines.suspendCancellableCoroutine
import tachiyomi.core.util.lang.awaitSingle
import tachiyomi.core.util.lang.launchIO
import tachiyomi.core.util.lang.withIOContext
import uy.kohesive.injekt.Injekt
@ -170,7 +169,7 @@ internal class HttpPageLoader(
try {
if (page.imageUrl.isNullOrEmpty()) {
page.status = Page.State.LOAD_PAGE
page.imageUrl = source.fetchImageUrl(page).awaitSingle()
page.imageUrl = source.getImageUrl(page)
}
val imageUrl = page.imageUrl!!

21
core/src/main/java/eu/kanade/tachiyomi/network/OkHttpExtensions.kt
View File

@ -58,6 +58,15 @@ fun Call.asObservable(): Observable<Response> {
}
}
fun Call.asObservableSuccess(): Observable<Response> {
return asObservable().doOnNext { response ->
if (!response.isSuccessful) {
response.close()
throw HttpException(response.code)
}
}
}
// Based on https://github.com/gildor/kotlin-coroutines-okhttp
@OptIn(ExperimentalCoroutinesApi::class)
private suspend fun Call.await(callStack: Array<StackTraceElement>): Response {
@ -95,6 +104,9 @@ suspend fun Call.await(): Response {
return await(callStack)
}
/**
* @since extensions-lib 1.5
*/
suspend fun Call.awaitSuccess(): Response {
val callStack = Exception().stackTrace.run { copyOfRange(1, size) }
val response = await(callStack)
@ -105,15 +117,6 @@ suspend fun Call.awaitSuccess(): Response {
return response
}
fun Call.asObservableSuccess(): Observable<Response> {
return asObservable().doOnNext { response ->
if (!response.isSuccessful) {
response.close()
throw HttpException(response.code)
}
}
}
fun OkHttpClient.newCachelessCallWithProgress(request: Request, listener: ProgressListener): Call {
val progressClient = newBuilder()
.cache(null)

7
data/src/main/java/tachiyomi/data/source/SourcePagingSource.kt
View File

@ -5,7 +5,6 @@ import eu.kanade.tachiyomi.source.CatalogueSource
import eu.kanade.tachiyomi.source.model.FilterList
import eu.kanade.tachiyomi.source.model.MangasPage
import eu.kanade.tachiyomi.source.model.SManga
import tachiyomi.core.util.lang.awaitSingle
import tachiyomi.core.util.lang.withIOContext
import tachiyomi.domain.source.repository.SourcePagingSourceType
@ -13,19 +12,19 @@ class SourceSearchPagingSource(source: CatalogueSource, val query: String, val f
source,
) {
override suspend fun requestNextPage(currentPage: Int): MangasPage {
return source.fetchSearchManga(currentPage, query, filters).awaitSingle()
return source.getSearchManga(currentPage, query, filters)
}
}
class SourcePopularPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
override suspend fun requestNextPage(currentPage: Int): MangasPage {
return source.fetchPopularManga(currentPage).awaitSingle()
return source.getPopularManga(currentPage)
}
}
class SourceLatestPagingSource(source: CatalogueSource) : SourcePagingSource(source) {
override suspend fun requestNextPage(currentPage: Int): MangasPage {
return source.fetchLatestUpdates(currentPage).awaitSingle()
return source.getLatestUpdates(currentPage)
}
}

31
domain/src/main/java/tachiyomi/domain/source/model/StubSource.kt
View File

@ -4,7 +4,6 @@ import eu.kanade.tachiyomi.source.Source
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.source.model.SChapter
import eu.kanade.tachiyomi.source.model.SManga
import rx.Observable
class StubSource(
override val id: Long,
@ -14,36 +13,16 @@ class StubSource(
private val isInvalid: Boolean = name.isBlank() || lang.isBlank()
override suspend fun getMangaDetails(manga: SManga): SManga {
override suspend fun getMangaDetails(manga: SManga): SManga =
throw SourceNotInstalledException()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getMangaDetails"))
override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
return Observable.error(SourceNotInstalledException())
}
override suspend fun getChapterList(manga: SManga): List<SChapter> {
override suspend fun getChapterList(manga: SManga): List<SChapter> =
throw SourceNotInstalledException()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getChapterList"))
override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
return Observable.error(SourceNotInstalledException())
}
override suspend fun getPageList(chapter: SChapter): List<Page> {
override suspend fun getPageList(chapter: SChapter): List<Page> =
throw SourceNotInstalledException()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getPageList"))
override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
return Observable.error(SourceNotInstalledException())
}
override fun toString(): String {
return if (isInvalid.not()) "$name (${lang.uppercase()})" else id.toString()
}
override fun toString(): String =
if (isInvalid.not()) "$name (${lang.uppercase()})" else id.toString()
}
class SourceNotInstalledException : Exception()

46
source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/CatalogueSource.kt
View File

@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.source
import eu.kanade.tachiyomi.source.model.FilterList
import eu.kanade.tachiyomi.source.model.MangasPage
import rx.Observable
import tachiyomi.core.util.lang.awaitSingle
interface CatalogueSource : Source {
@ -17,30 +18,63 @@ interface CatalogueSource : Source {
val supportsLatest: Boolean
/**
* Returns an observable containing a page with a list of manga.
* Get a page with a list of manga.
*
* @since extensions-lib 1.5
* @param page the page number to retrieve.
*/
fun fetchPopularManga(page: Int): Observable<MangasPage>
@Suppress("DEPRECATION")
suspend fun getPopularManga(page: Int): MangasPage {
return fetchPopularManga(page).awaitSingle()
}
/**
* Returns an observable containing a page with a list of manga.
* Get a page with a list of manga.
*
* @since extensions-lib 1.5
* @param page the page number to retrieve.
* @param query the search query.
* @param filters the list of filters to apply.
*/
fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage>
@Suppress("DEPRECATION")
suspend fun getSearchManga(page: Int, query: String, filters: FilterList): MangasPage {
return fetchSearchManga(page, query, filters).awaitSingle()
}
/**
* Returns an observable containing a page with a list of latest manga updates.
* Get a page with a list of latest manga updates.
*
* @since extensions-lib 1.5
* @param page the page number to retrieve.
*/
fun fetchLatestUpdates(page: Int): Observable<MangasPage>
@Suppress("DEPRECATION")
suspend fun getLatestUpdates(page: Int): MangasPage {
return fetchLatestUpdates(page).awaitSingle()
}
/**
* Returns the list of filters for the source.
*/
fun getFilterList(): FilterList
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getPopularManga"),
)
fun fetchPopularManga(page: Int): Observable<MangasPage> =
throw IllegalStateException("Not used")
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getSearchManga"),
)
fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> =
throw IllegalStateException("Not used")
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getLatestUpdates"),
)
fun fetchLatestUpdates(page: Int): Observable<MangasPage> =
throw IllegalStateException("Not used")
}

13
source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/ConfigurableSource.kt
View File

@ -1,6 +1,19 @@
package eu.kanade.tachiyomi.source
import android.app.Application
import android.content.SharedPreferences
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
interface ConfigurableSource : Source {
/**
* Gets instance of [SharedPreferences] scoped to the specific source.
*
* @since extensions-lib 1.5
*/
fun getPreferences(): SharedPreferences =
Injekt.get<Application>().getSharedPreferences("source_$id", 0x0000)
fun setupPreferenceScreen(screen: PreferenceScreen)
}

35
source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/Source.kt
View File

@ -27,7 +27,7 @@ interface Source {
/**
* Get the updated details for a manga.
*
* @since extensions-lib 1.4
* @since extensions-lib 1.5
* @param manga the manga to update.
* @return the updated manga.
*/
@ -39,7 +39,7 @@ interface Source {
/**
* Get all the available chapters for a manga.
*
* @since extensions-lib 1.4
* @since extensions-lib 1.5
* @param manga the manga to update.
* @return the chapters for the manga.
*/
@ -52,7 +52,7 @@ interface Source {
* Get the list of pages a chapter has. Pages should be returned
* in the expected order; the index is ignored.
*
* @since extensions-lib 1.4
* @since extensions-lib 1.5
* @param chapter the chapter.
* @return the pages for the chapter.
*/
@ -61,41 +61,24 @@ interface Source {
return fetchPageList(chapter).awaitSingle()
}
/**
* Returns an observable with the updated details for a manga.
*
* @param manga the manga to update.
*/
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getMangaDetails"),
)
fun fetchMangaDetails(manga: SManga): Observable<SManga> = throw IllegalStateException(
"Not used",
)
fun fetchMangaDetails(manga: SManga): Observable<SManga> =
throw IllegalStateException("Not used")
/**
* Returns an observable with all the available chapters for a manga.
*
* @param manga the manga to update.
*/
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getChapterList"),
)
fun fetchChapterList(manga: SManga): Observable<List<SChapter>> = throw IllegalStateException(
"Not used",
)
fun fetchChapterList(manga: SManga): Observable<List<SChapter>> =
throw IllegalStateException("Not used")
/**
* Returns an observable with the list of pages a chapter has. Pages should be returned
* in the expected order; the index is ignored.
*
* @param chapter the chapter.
*/
@Deprecated(
"Use the non-RxJava API instead",
ReplaceWith("getPageList"),
)
fun fetchPageList(chapter: SChapter): Observable<List<Page>> = Observable.empty()
fun fetchPageList(chapter: SChapter): Observable<List<Page>> =
throw IllegalStateException("Not used")
}

69
source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSource.kt
View File

@ -16,6 +16,7 @@ import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.Response
import rx.Observable
import tachiyomi.core.util.lang.awaitSingle
import uy.kohesive.injekt.injectLazy
import java.net.URI
import java.net.URISyntaxException
@ -24,6 +25,7 @@ import java.security.MessageDigest
/**
* A simple implementation for sources from a website.
*/
@Suppress("unused")
abstract class HttpSource : CatalogueSource {
/**
@ -81,6 +83,7 @@ abstract class HttpSource : CatalogueSource {
* @param versionId [Int] the version ID of the source
* @return a unique ID for the source
*/
@Suppress("MemberVisibilityCanBePrivate")
protected fun generateId(name: String, lang: String, versionId: Int): Long {
val key = "${name.lowercase()}/$lang/$versionId"
val bytes = MessageDigest.getInstance("MD5").digest(key.toByteArray())
@ -202,11 +205,18 @@ abstract class HttpSource : CatalogueSource {
protected abstract fun latestUpdatesParse(response: Response): MangasPage
/**
* Returns an observable with the updated details for a manga. Normally it's not needed to
* override this method.
* Get the updated details for a manga.
* Normally it's not needed to override this method.
*
* @param manga the manga to be updated.
* @param manga the manga to update.
* @return the updated manga.
*/
@Suppress("DEPRECATION")
override suspend fun getMangaDetails(manga: SManga): SManga {
return fetchMangaDetails(manga).awaitSingle()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getMangaDetails"))
override fun fetchMangaDetails(manga: SManga): Observable<SManga> {
return client.newCall(mangaDetailsRequest(manga))
.asObservableSuccess()
@ -233,11 +243,23 @@ abstract class HttpSource : CatalogueSource {
protected abstract fun mangaDetailsParse(response: Response): SManga
/**
* Returns an observable with the updated chapter list for a manga. Normally it's not needed to
* override this method. If a manga is licensed an empty chapter list observable is returned
* Get all the available chapters for a manga.
* Normally it's not needed to override this method.
*
* @param manga the manga to look for chapters.
* @param manga the manga to update.
* @return the chapters for the manga.
* @throws LicensedMangaChaptersException if a manga is licensed and therefore no chapters are available.
*/
@Suppress("DEPRECATION")
override suspend fun getChapterList(manga: SManga): List<SChapter> {
if (manga.status == SManga.LICENSED) {
throw LicensedMangaChaptersException()
}
return fetchChapterList(manga).awaitSingle()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getChapterList"))
override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
return if (manga.status != SManga.LICENSED) {
client.newCall(chapterListRequest(manga))
@ -268,10 +290,18 @@ abstract class HttpSource : CatalogueSource {
protected abstract fun chapterListParse(response: Response): List<SChapter>
/**
* Returns an observable with the page list for a chapter.
* Get the list of pages a chapter has. Pages should be returned
* in the expected order; the index is ignored.
*
* @param chapter the chapter whose page list has to be fetched.
* @param chapter the chapter.
* @return the pages for the chapter.
*/
@Suppress("DEPRECATION")
override suspend fun getPageList(chapter: SChapter): List<Page> {
return fetchPageList(chapter).awaitSingle()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getPageList"))
override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
return client.newCall(pageListRequest(chapter))
.asObservableSuccess()
@ -301,8 +331,15 @@ abstract class HttpSource : CatalogueSource {
* Returns an observable with the page containing the source url of the image. If there's any
* error, it will return null instead of throwing an exception.
*
* @since extensions-lib 1.5
* @param page the page whose source image has to be fetched.
*/
@Suppress("DEPRECATION")
open suspend fun getImageUrl(page: Page): String {
return fetchImageUrl(page).awaitSingle()
}
@Deprecated("Use the non-RxJava API instead", replaceWith = ReplaceWith("getImageUrl"))
open fun fetchImageUrl(page: Page): Observable<String> {
return client.newCall(imageUrlRequest(page))
.asObservableSuccess()
@ -326,24 +363,14 @@ abstract class HttpSource : CatalogueSource {
*/
protected abstract fun imageUrlParse(response: Response): String
/**
* Returns an observable with the response of the source image.
*
* @param page the page whose source image has to be downloaded.
*/
fun fetchImage(page: Page): Observable<Response> {
// images will be cached or saved manually, so don't take up network cache
return client.newCachelessCallWithProgress(imageRequest(page), page)
.asObservableSuccess()
}
/**
* Returns the response of the source image.
* Typically does not need to be overridden.
*
* @since extensions-lib 1.5
* @param page the page whose source image has to be downloaded.
*/
suspend fun getImage(page: Page): Response {
// images will be cached or saved manually, so don't take up network cache
open suspend fun getImage(page: Page): Response {
return client.newCachelessCallWithProgress(imageRequest(page), page)
.awaitSuccess()
}

25
source-api/src/commonMain/kotlin/eu/kanade/tachiyomi/source/online/HttpSourceFetcher.kt
View File

@ -1,25 +0,0 @@
package eu.kanade.tachiyomi.source.online
import eu.kanade.tachiyomi.source.model.Page
import rx.Observable
fun HttpSource.fetchAllImageUrlsFromPageList(pages: List<Page>): Observable<Page> {
return Observable.from(pages)
.filter { !it.imageUrl.isNullOrEmpty() }
.mergeWith(fetchRemainingImageUrlsFromPageList(pages))
}
private fun HttpSource.fetchRemainingImageUrlsFromPageList(pages: List<Page>): Observable<Page> {
return Observable.from(pages)
.filter { it.imageUrl.isNullOrEmpty() }
.concatMap { getImageUrl(it) }
}
private fun HttpSource.getImageUrl(page: Page): Observable<Page> {
page.status = Page.State.LOAD_PAGE
return fetchImageUrl(page)
.doOnError { page.status = Page.State.ERROR }
.onErrorReturn { null }
.doOnNext { page.imageUrl = it }
.map { page }
}

9
source-local/src/androidMain/kotlin/tachiyomi/source/local/LocalSource.kt
View File

@ -16,7 +16,6 @@ import kotlinx.serialization.json.decodeFromStream
import logcat.LogPriority
import nl.adaptivity.xmlutil.AndroidXmlReader
import nl.adaptivity.xmlutil.serialization.XML
import rx.Observable
import tachiyomi.core.metadata.comicinfo.COMIC_INFO_FILE
import tachiyomi.core.metadata.comicinfo.ComicInfo
import tachiyomi.core.metadata.comicinfo.copyFromComicInfo
@ -66,11 +65,11 @@ actual class LocalSource(
override val supportsLatest: Boolean = true
// Browse related
override fun fetchPopularManga(page: Int) = fetchSearchManga(page, "", POPULAR_FILTERS)
override suspend fun getPopularManga(page: Int) = getSearchManga(page, "", POPULAR_FILTERS)
override fun fetchLatestUpdates(page: Int) = fetchSearchManga(page, "", LATEST_FILTERS)
override suspend fun getLatestUpdates(page: Int) = getSearchManga(page, "", LATEST_FILTERS)
override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
override suspend fun getSearchManga(page: Int, query: String, filters: FilterList): MangasPage {
val baseDirsFiles = fileSystem.getFilesInBaseDirectories()
val lastModifiedLimit by lazy { if (filters === LATEST_FILTERS) System.currentTimeMillis() - LATEST_THRESHOLD else 0L }
var mangaDirs = baseDirsFiles
@ -143,7 +142,7 @@ actual class LocalSource(
}
}
return Observable.just(MangasPage(mangas.toList(), false))
return MangasPage(mangas.toList(), false)
}
// Manga details related