2023-03-15 18:18:14 -04:00

122 lines
4.6 KiB
Kotlin

package exh.util
import eu.kanade.domain.source.service.SourcePreferences
import eu.kanade.domain.source.service.SourcePreferences.DataSaver.BANDWIDTH_HERO
import eu.kanade.domain.source.service.SourcePreferences.DataSaver.NONE
import eu.kanade.domain.source.service.SourcePreferences.DataSaver.WSRV_NL
import eu.kanade.tachiyomi.source.Source
import eu.kanade.tachiyomi.source.model.Page
import eu.kanade.tachiyomi.source.online.HttpSource
import okhttp3.Response
import rx.Observable
import tachiyomi.core.preference.Preference
interface DataSaver {
fun compress(imageUrl: String): String
companion object {
val NoOp = object : DataSaver {
override fun compress(imageUrl: String): String {
return imageUrl
}
}
fun HttpSource.fetchImage(page: Page, dataSaver: DataSaver): Observable<Response> {
val imageUrl = page.imageUrl ?: return fetchImage(page)
page.imageUrl = dataSaver.compress(imageUrl)
return fetchImage(page)
.doOnNext {
page.imageUrl = imageUrl
}
}
suspend fun HttpSource.getImage(page: Page, dataSaver: DataSaver): Response {
val imageUrl = page.imageUrl ?: return getImage(page)
page.imageUrl = dataSaver.compress(imageUrl)
return try {
getImage(page)
} finally {
page.imageUrl = imageUrl
}
}
}
}
fun DataSaver(source: Source, preferences: SourcePreferences): DataSaver {
val dataSaver = preferences.dataSaver().get()
if (dataSaver != NONE && source.id.toString() in preferences.dataSaverExcludedSources().get()) {
return DataSaver.NoOp
}
return when (dataSaver) {
NONE -> DataSaver.NoOp
BANDWIDTH_HERO -> BandwidthHeroDataSaver(preferences)
WSRV_NL -> WsrvNlDataSaver(preferences)
}
}
private class BandwidthHeroDataSaver(preferences: SourcePreferences) : DataSaver {
private val dataSavedServer = preferences.dataSaverServer().get().trimEnd('/')
private val ignoreJpg = preferences.dataSaverIgnoreJpeg().get()
private val ignoreGif = preferences.dataSaverIgnoreGif().get()
private val format = preferences.dataSaverImageFormatJpeg().toIntRepresentation()
private val quality = preferences.dataSaverImageQuality().get()
private val colorBW = preferences.dataSaverColorBW().toIntRepresentation()
override fun compress(imageUrl: String): String {
return if (dataSavedServer.isNotBlank() && !imageUrl.contains(dataSavedServer)) {
when {
imageUrl.contains(".jpeg", true) || imageUrl.contains(".jpg", true) -> if (ignoreJpg) imageUrl else getUrl(imageUrl)
imageUrl.contains(".gif", true) -> if (ignoreGif) imageUrl else getUrl(imageUrl)
else -> getUrl(imageUrl)
}
} else {
imageUrl
}
}
private fun getUrl(imageUrl: String): String {
// Network Request sent for the Bandwidth Hero Proxy server
return "$dataSavedServer/?jpg=$format&l=$quality&bw=$colorBW&url=$imageUrl"
}
private fun Preference<Boolean>.toIntRepresentation() = if (get()) "1" else "0"
}
private class WsrvNlDataSaver(preferences: SourcePreferences) : DataSaver {
private val ignoreJpg = preferences.dataSaverIgnoreJpeg().get()
private val ignoreGif = preferences.dataSaverIgnoreGif().get()
private val format = preferences.dataSaverImageFormatJpeg().get()
private val quality = preferences.dataSaverImageQuality().get()
override fun compress(imageUrl: String): String {
return when {
imageUrl.contains(".jpeg", true) || imageUrl.contains(".jpg", true) -> if (ignoreJpg) imageUrl else getUrl(imageUrl)
imageUrl.contains(".gif", true) -> if (ignoreGif) imageUrl else getUrl(imageUrl)
else -> getUrl(imageUrl)
}
}
private fun getUrl(imageUrl: String): String {
// Network Request sent to wsrv
return "https://wsrv.nl/?url=$imageUrl" + if (imageUrl.contains(".webp", true) || imageUrl.contains(".gif", true)) {
if (!format) {
// Preserve output image extension for animated images(.webp and .gif)
"&q=$quality&n=-1"
} else {
// Do not preserve output Extension if User asked to convert into Jpeg
"&output=jpg&q=$quality&n=-1"
}
} else {
if (format) {
"&output=jpg&q=$quality"
} else {
"&output=webp&q=$quality"
}
}
}
}