81 lines
2.9 KiB
Kotlin
81 lines
2.9 KiB
Kotlin
/*
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* Pupil, Hitomi.la viewer for Android
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* Copyright (C) 2021 tom5079
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package xyz.quaver.pupil.util
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import android.content.Context
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import android.content.Intent
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import android.webkit.MimeTypeMap
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import androidx.core.content.FileProvider
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import io.ktor.client.*
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import io.ktor.client.request.*
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import io.ktor.client.statement.*
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import io.ktor.http.*
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import io.ktor.utils.io.core.*
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.flow.flow
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import kotlinx.coroutines.flow.flowOn
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import java.io.File
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import kotlin.io.use
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class ApkDownloadManager(private val context: Context, private val client: HttpClient) {
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fun download(projectName: String, sourceName: String, version: String) = flow {
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val url = "https://github.com/tom5079/PupilSources/releases/download/$sourceName-$version/$projectName-release.apk"
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val file = File(context.externalCacheDir, "apks/$sourceName-$version.apk").also {
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it.parentFile?.mkdir()
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it.delete()
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}
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client.prepareGet(url).execute { response ->
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val channel = response.bodyAsChannel()
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val contentLength = response.contentLength() ?: -1
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var readBytes = 0f
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file.outputStream().use { outputStream ->
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while (!channel.isClosedForRead) {
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val packet = channel.readRemaining(DEFAULT_BUFFER_SIZE.toLong())
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while (!packet.isEmpty) {
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val bytes = packet.readBytes()
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outputStream.write(bytes)
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readBytes += bytes.size
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emit(readBytes / contentLength)
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}
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}
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}
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}
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emit(Float.POSITIVE_INFINITY)
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val uri = FileProvider.getUriForFile(
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context,
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"${context.packageName}.fileprovider",
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file
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)
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val intent = Intent(Intent.ACTION_VIEW).apply {
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flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or
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Intent.FLAG_GRANT_READ_URI_PERMISSION or
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Intent.FLAG_ACTIVITY_NEW_TASK
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setDataAndType(uri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"))
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}
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context.startActivity(intent)
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}.flowOn(Dispatchers.IO)
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} |