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+package eu.kanade.tachiyomi.source
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+
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+import android.content.Context
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+import android.net.Uri
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+import eu.kanade.tachiyomi.R
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+import eu.kanade.tachiyomi.source.model.*
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+import eu.kanade.tachiyomi.util.ChapterRecognition
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+import eu.kanade.tachiyomi.util.DiskUtil
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+import eu.kanade.tachiyomi.util.ZipContentProvider
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+import net.greypanther.natsort.CaseInsensitiveSimpleNaturalComparator
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+import rx.Observable
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+import timber.log.Timber
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+import java.io.File
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+import java.io.FileInputStream
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+import java.io.InputStream
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+import java.util.*
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+import java.util.concurrent.TimeUnit
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+import java.util.zip.ZipEntry
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+import java.util.zip.ZipFile
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+
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+class LocalSource(private val context: Context) : CatalogueSource {
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+ companion object {
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+ private val FILE_PROTOCOL = "file://"
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+ private val COVER_NAME = "cover.jpg"
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+ private val POPULAR_FILTERS = FilterList(OrderBy())
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+ private val LATEST_FILTERS = FilterList(OrderBy().apply { state = Filter.Sort.Selection(1, false) })
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+ private val LATEST_THRESHOLD = TimeUnit.MILLISECONDS.convert(7, TimeUnit.DAYS)
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+ val ID = 0L
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+
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+ fun updateCover(context: Context, manga: SManga, input: InputStream): File? {
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+ val dir = getBaseDirectories(context).firstOrNull()
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+ if (dir == null) {
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+ input.close()
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+ return null
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+ }
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+ val cover = File("${dir.absolutePath}/${manga.url}", COVER_NAME)
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+
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+ // It might not exist if using the external SD card
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+ cover.parentFile.mkdirs()
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+ input.use {
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+ cover.outputStream().use {
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+ input.copyTo(it)
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+ }
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+ }
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+ return cover
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+ }
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+
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+ private fun getBaseDirectories(context: Context): List<File> {
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+ val c = File.separator + context.getString(R.string.app_name) + File.separator + "local"
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+ return DiskUtil.getExternalStorages(context).map { File(it.absolutePath + c) }
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+ }
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+ }
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+
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+ override val id = ID
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+ override val name = "LocalSource"
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+ override val lang = "en"
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+ override val supportsLatest = true
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+
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+ override fun toString() = context.getString(R.string.local_source)
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+
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+ override fun fetchMangaDetails(manga: SManga) = Observable.just(manga)
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+
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+ override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
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+ val chapters = getBaseDirectories(context)
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+ .mapNotNull { File(it, manga.url).listFiles()?.toList() }
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+ .flatten()
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+ .filter { it.isDirectory || isSupportedFormat(it.extension) }
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+ .map { chapterFile ->
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+ SChapter.create().apply {
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+ url = chapterFile.absolutePath
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+ val chapName = if (chapterFile.isDirectory) {
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+ chapterFile.name
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+ } else {
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+ chapterFile.nameWithoutExtension
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+ }
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+ val chapNameCut = chapName.replace(manga.title, "", true)
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+ name = if (chapNameCut.isEmpty()) chapName else chapNameCut
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+ date_upload = chapterFile.lastModified()
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+ ChapterRecognition.parseChapterNumber(this, manga)
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+ }
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+ }
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+
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+ return Observable.just(chapters.sortedByDescending { it.chapter_number })
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+ }
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+
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+ override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
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+ val chapFile = File(chapter.url)
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+ if (chapFile.isDirectory) {
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+ return Observable.just(chapFile.listFiles()
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+ .filter { !it.isDirectory && DiskUtil.isImage(it.name, { FileInputStream(it) }) }
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+ .sortedWith(Comparator<File> { t1, t2 -> CaseInsensitiveSimpleNaturalComparator.getInstance<String>().compare(t1.name, t2.name) })
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+ .mapIndexed { i, v -> Page(i, FILE_PROTOCOL + v.absolutePath, FILE_PROTOCOL + v.absolutePath, Uri.fromFile(v)).apply { status = Page.READY } })
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+ } else {
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+ val zip = ZipFile(chapFile)
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+ return Observable.just(ZipFile(chapFile).entries().toList()
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+ .filter { !it.isDirectory && DiskUtil.isImage(it.name, { zip.getInputStream(it) }) }
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+ .sortedWith(Comparator<ZipEntry> { t1, t2 -> CaseInsensitiveSimpleNaturalComparator.getInstance<String>().compare(t1.name, t2.name) })
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+ .mapIndexed { i, v ->
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+ val path = "content://${ZipContentProvider.PROVIDER}${chapFile.absolutePath}!/${v.name}"
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+ Page(i, path, path, Uri.parse(path)).apply { status = Page.READY }
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+ })
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+ }
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+ }
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+
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+ override fun fetchPopularManga(page: Int) = fetchSearchManga(page, "", POPULAR_FILTERS)
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+
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+ override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
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+ val baseDirs = getBaseDirectories(context)
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+
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+ val time = if (filters === LATEST_FILTERS) System.currentTimeMillis() - LATEST_THRESHOLD else 0L
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+ var mangaDirs = baseDirs.mapNotNull { it.listFiles()?.toList() }
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+ .flatten()
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+ .filter { it.isDirectory && if (time == 0L) it.name.contains(query, ignoreCase = true) else it.lastModified() >= time }
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+ .distinctBy { it.name }
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+
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+ val state = ((if (filters.isEmpty()) POPULAR_FILTERS else filters)[0] as OrderBy).state
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+ when (state?.index) {
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+ 0 -> {
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+ if (state!!.ascending)
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+ mangaDirs = mangaDirs.sortedBy { it.name.toLowerCase(Locale.ENGLISH) }
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+ else
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+ mangaDirs = mangaDirs.sortedByDescending { it.name.toLowerCase(Locale.ENGLISH) }
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+ }
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+ 1 -> {
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+ if (state!!.ascending)
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+ mangaDirs = mangaDirs.sortedBy(File::lastModified)
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+ else
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+ mangaDirs = mangaDirs.sortedByDescending(File::lastModified)
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+ }
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+ }
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+
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+ val mangas = mangaDirs.map { mangaDir ->
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+ SManga.create().apply {
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+ title = mangaDir.name
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+ url = mangaDir.name
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+
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+ // Try to find the cover
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+ for (dir in baseDirs) {
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+ val cover = File("${dir.absolutePath}/$url", COVER_NAME)
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+ if (cover.exists()) {
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+ thumbnail_url = FILE_PROTOCOL + cover.absolutePath
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+ break
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+ }
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+ }
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+
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+ // Copy the cover from the first chapter found.
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+ if (thumbnail_url == null) {
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+ val chapters = fetchChapterList(this).toBlocking().first()
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+ if (chapters.isNotEmpty()) {
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+ val url = fetchPageList(chapters.last()).toBlocking().first().firstOrNull()?.url
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+ if (url != null) {
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+ val input = context.contentResolver.openInputStream(Uri.parse(url))
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+ try {
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+ val dest = updateCover(context, this, input)
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+ thumbnail_url = dest?.let { FILE_PROTOCOL + it.absolutePath }
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+ } catch (e: Exception) {
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+ Timber.e(e)
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+ }
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+ }
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+ }
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+ }
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+
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+ initialized = true
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+ }
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+ }
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+ return Observable.just(MangasPage(mangas, false))
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+ }
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+
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+ override fun fetchLatestUpdates(page: Int) = fetchSearchManga(page, "", LATEST_FILTERS)
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+
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+ private fun isSupportedFormat(extension: String): Boolean {
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+ return extension.equals("zip", true) || extension.equals("cbz", true)
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+ }
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+
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+ private class OrderBy : Filter.Sort("Order by", arrayOf("Title", "Date"), Filter.Sort.Selection(0, true))
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+
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+ override fun getFilterList() = FilterList(OrderBy())
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+}
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