Rework code to enable UI rendered error messages (#172)

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she11sh0cked 2020-11-29 22:24:25 +01:00 committed by GitHub
parent 9d16b0efd2
commit 2cefc93797
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@ -4,15 +4,18 @@ import eu.kanade.tachiyomi.data.database.models.Manga
import eu.kanade.tachiyomi.network.await
import eu.kanade.tachiyomi.source.model.MangasPage
import eu.kanade.tachiyomi.source.model.SMangaImpl
import eu.kanade.tachiyomi.ui.browse.source.browse.NoResultsException
import eu.kanade.tachiyomi.ui.browse.source.browse.Pager
import eu.kanade.tachiyomi.util.lang.asObservable
import exh.log.maybeInjectEHLogger
import exh.util.MangaType
import exh.util.mangaType
import kotlinx.coroutines.CoroutineExceptionHandler
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import kotlinx.coroutines.async
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.supervisorScope
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.json.Json
import kotlinx.serialization.json.JsonArray
@ -28,6 +31,7 @@ import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
import rx.Observable
import rx.android.schedulers.AndroidSchedulers
import timber.log.Timber
abstract class API(_endpoint: String) {
@ -37,21 +41,14 @@ abstract class API(_endpoint: String) {
.build()
val scope = CoroutineScope(Job() + Dispatchers.Default)
abstract fun getRecsBySearch(
search: String,
callback: (onResolve: List<SMangaImpl>?, onReject: Throwable?) -> Unit
)
abstract suspend fun getRecsBySearch(search: String): List<SMangaImpl>
}
class MyAnimeList : API("https://api.jikan.moe/v3/") {
private fun getRecsById(
id: String,
callback: (resolve: List<SMangaImpl>?, reject: Throwable?) -> Unit
) {
private suspend fun getRecsById(id: String): List<SMangaImpl> {
val httpUrl = endpoint.toHttpUrlOrNull()
if (httpUrl == null) {
callback.invoke(null, Exception("Could not convert endpoint url"))
return
throw Exception("Could not convert endpoint url")
}
val urlBuilder = httpUrl.newBuilder()
urlBuilder.addPathSegment("manga")
@ -64,43 +61,32 @@ class MyAnimeList : API("https://api.jikan.moe/v3/") {
.get()
.build()
val handler = CoroutineExceptionHandler { _, exception ->
callback.invoke(null, exception)
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
}
scope.launch(handler) {
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
val data = Json.decodeFromString<JsonObject>(body)
val recommendations = data["recommendations"] as? JsonArray
?: throw Exception("Unexpected response")
val recs = recommendations.map { rec ->
rec as? JsonObject ?: throw Exception("Invalid json")
Timber.tag("RECOMMENDATIONS").d("MYANIMELIST > RECOMMENDATION: %s", rec["title"]!!.jsonPrimitive.content)
SMangaImpl().apply {
this.title = rec["title"]!!.jsonPrimitive.content
this.thumbnail_url = rec["image_url"]!!.jsonPrimitive.content
this.initialized = true
this.url = rec["url"]!!.jsonPrimitive.content
}
val data = Json.decodeFromString<JsonObject>(body)
val recommendations = data["recommendations"] as? JsonArray
?: throw Exception("Unexpected response")
val recs = recommendations.map { rec ->
rec as? JsonObject ?: throw Exception("Invalid json")
Timber.tag("RECOMMENDATIONS")
.d("MYANIMELIST > FOUND RECOMMENDATION > %s", rec["title"]!!.jsonPrimitive.content)
SMangaImpl().apply {
this.title = rec["title"]!!.jsonPrimitive.content
this.thumbnail_url = rec["image_url"]!!.jsonPrimitive.content
this.initialized = true
this.url = rec["url"]!!.jsonPrimitive.content
}
}
callback.invoke(recs, null)
}
return recs
}
override fun getRecsBySearch(
search: String,
callback: (recs: List<SMangaImpl>?, error: Throwable?) -> Unit
) {
override suspend fun getRecsBySearch(search: String): List<SMangaImpl> {
val httpUrl =
endpoint.toHttpUrlOrNull()
if (httpUrl == null) {
callback.invoke(null, Exception("Could not convert endpoint url"))
return
throw Exception("Could not convert endpoint url")
}
val urlBuilder = httpUrl.newBuilder()
urlBuilder.addPathSegment("search")
@ -113,27 +99,19 @@ class MyAnimeList : API("https://api.jikan.moe/v3/") {
.get()
.build()
val handler = CoroutineExceptionHandler { _, exception ->
callback.invoke(null, exception)
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
}
scope.launch(handler) {
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
}
val data = Json.decodeFromString<JsonObject>(body)
val results = data["results"] as? JsonArray ?: throw Exception("Unexpected response")
if (results.size <= 0) {
throw Exception("'$search' not found")
}
val result = results.first().jsonObject
Timber.tag("RECOMMENDATIONS")
.d("MYANIMELIST > FOUND TITLE > %s", result["title"]!!.jsonPrimitive.content)
val id = result["mal_id"]!!.jsonPrimitive.content
getRecsById(id, callback)
val data = Json.decodeFromString<JsonObject>(body)
val results = data["results"] as? JsonArray ?: throw Exception("Unexpected response")
if (results.size <= 0) {
throw Exception("'$search' not found")
}
val result = results.first().jsonObject
val id = result["mal_id"]!!.jsonPrimitive.content
return getRecsById(id)
}
}
@ -157,10 +135,7 @@ class Anilist : API("https://graphql.anilist.co/") {
}
}
override fun getRecsBySearch(
search: String,
callback: (onResolve: List<SMangaImpl>?, onReject: Throwable?) -> Unit
) {
override suspend fun getRecsBySearch(search: String): List<SMangaImpl> {
val query =
"""
|query Recommendations(${'$'}search: String!) {
@ -207,47 +182,38 @@ class Anilist : API("https://graphql.anilist.co/") {
.post(payloadBody)
.build()
val handler = CoroutineExceptionHandler { _, exception ->
callback.invoke(null, exception)
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
}
scope.launch(handler) {
val response = client.newCall(request).await()
val body = response.body?.string().orEmpty()
if (body.isEmpty()) {
throw Exception("Null Response")
}
val data = Json.decodeFromString<JsonObject>(body)["data"] as? JsonObject
?: throw Exception("Unexpected response")
val page = data["Page"]!!.jsonObject
val media = page["media"]!!.jsonArray
if (media.size <= 0) {
throw Exception("'$search' not found")
}
val result = media.sortedWith(
compareBy(
{ languageContains(it.jsonObject, "romaji", search) },
{ languageContains(it.jsonObject, "english", search) },
{ languageContains(it.jsonObject, "native", search) },
{ countOccurrence(it.jsonObject["synonyms"]!!.jsonArray, search) > 0 }
)
).last().jsonObject
Timber.tag("RECOMMENDATIONS")
.d("ANILIST > FOUND TITLE > %s", getTitle(result))
val recommendations = result["recommendations"]!!.jsonObject["edges"]!!.jsonArray
val recs = recommendations.map {
val rec = it.jsonObject["node"]!!.jsonObject["mediaRecommendation"]!!.jsonObject
Timber.tag("RECOMMENDATIONS")
.d("ANILIST: FOUND RECOMMENDATION: %s", getTitle(rec))
SMangaImpl().apply {
this.title = getTitle(rec)
this.thumbnail_url = rec["coverImage"]!!.jsonObject["large"]!!.jsonPrimitive.content
this.initialized = true
this.url = rec["siteUrl"]!!.jsonPrimitive.content
}
}
callback.invoke(recs, null)
val data = Json.decodeFromString<JsonObject>(body)["data"] as? JsonObject
?: throw Exception("Unexpected response")
val page = data["Page"]!!.jsonObject
val media = page["media"]!!.jsonArray
if (media.size <= 0) {
throw Exception("'$search' not found")
}
val result = media.sortedWith(
compareBy(
{ languageContains(it.jsonObject, "romaji", search) },
{ languageContains(it.jsonObject, "english", search) },
{ languageContains(it.jsonObject, "native", search) },
{ countOccurrence(it.jsonObject["synonyms"]!!.jsonArray, search) > 0 }
)
).last().jsonObject
val recommendations = result["recommendations"]!!.jsonObject["edges"]!!.jsonArray
val recs = recommendations.map {
val rec = it.jsonObject["node"]!!.jsonObject["mediaRecommendation"]!!.jsonObject
Timber.tag("RECOMMENDATIONS").d("ANILIST > RECOMMENDATION: %s", getTitle(rec))
SMangaImpl().apply {
this.title = getTitle(rec)
this.thumbnail_url = rec["coverImage"]!!.jsonObject["large"]!!.jsonPrimitive.content
this.initialized = true
this.url = rec["siteUrl"]!!.jsonPrimitive.content
}
}
return recs
}
}
@ -256,59 +222,43 @@ open class RecommendsPager(
private val smart: Boolean = true,
private var preferredApi: API = API.MYANIMELIST
) : Pager() {
private val apiList = API_MAP.toMutableMap()
private var currentApi: API? = null
private fun handleSuccess(recs: List<SMangaImpl>) {
if (recs.isEmpty()) {
Timber.tag("RECOMMENDATIONS").e("%s > Couldn't find any", currentApi.toString())
apiList.remove(currentApi)
val list = apiList.toList()
currentApi = if (list.isEmpty()) {
null
} else {
apiList.toList().first().first
}
if (currentApi != null) {
getRecs(currentApi!!)
} else {
Timber.tag("RECOMMENDATIONS").e("Couldn't find any")
onPageReceived(MangasPage(recs, false))
}
} else {
onPageReceived(MangasPage(recs, false))
}
}
private fun handleError(error: Throwable) {
Timber.tag("RECOMMENDATIONS").e(error)
handleSuccess(listOf()) // tmp workaround until errors can be displayed in app
}
private fun getRecs(api: API) {
Timber.tag("RECOMMENDATIONS").d("USING > %s", api.toString())
apiList[api]?.getRecsBySearch(manga.originalTitle) { recs, error ->
if (error != null) {
handleError(error)
}
if (recs != null) {
handleSuccess(recs)
}
}
}
override fun requestNext(): Observable<MangasPage> {
if (smart) {
preferredApi =
if (manga.mangaType() != MangaType.TYPE_MANGA) API.ANILIST else preferredApi
Timber.tag("RECOMMENDATIONS").d("SMART > %s", preferredApi.toString())
return flow {
if (smart) preferredApi = if (manga.mangaType() != MangaType.TYPE_MANGA) API.ANILIST else preferredApi
val apiList = mapOf(preferredApi to API_MAP[preferredApi]!!) + API_MAP.filter { it.key != preferredApi }.toList()
val recs = supervisorScope {
apiList
.asSequence()
.map { (key, api) ->
async(Dispatchers.Default) {
try {
val recs = api.getRecsBySearch(manga.originalTitle).orEmpty()
Timber.tag("RECOMMENDATIONS").d("%s > Results: %s", key, recs.count())
recs
} catch (e: Exception) {
Timber.tag("RECOMMENDATIONS").e("%s > Error: %s", key, e.message)
listOf()
}
}
}
.firstOrNull { it.await().isNotEmpty() }
?.await().orEmpty()
}
val page = MangasPage(recs, false)
emit(page)
}
currentApi = preferredApi
getRecs(currentApi!!)
return Observable.just(MangasPage(listOf(), false))
.asObservable()
.observeOn(AndroidSchedulers.mainThread())
.doOnNext {
if (it.mangas.isNotEmpty()) {
onPageReceived(it)
} else {
throw NoResultsException()
}
}
}
companion object {