Files
Pupil/app/src/main/java/xyz/quaver/pupil/util/update.kt
2019-07-07 16:36:42 +09:00

64 lines
1.9 KiB
Kotlin

/*
* Pupil, Hitomi.la viewer for Android
* Copyright (C) 2019 tom5079
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package xyz.quaver.pupil.util
import kotlinx.serialization.json.*
import xyz.quaver.pupil.BuildConfig
import java.net.URL
fun getReleases(url: String) : JsonArray {
return try {
URL(url).readText().let {
Json(JsonConfiguration.Stable).parse(JsonArray.serializer(), it)
}
} catch (e: Exception) {
JsonArray(emptyList())
}
}
fun checkUpdate(url: String) : JsonObject? {
val releases = getReleases(url)
if (releases.isEmpty())
return null
return releases.firstOrNull {
if (BuildConfig.PRERELEASE) {
true
} else {
it.jsonObject["prerelease"]?.boolean == false
}
}?.let {
if (it.jsonObject["tag_name"]?.content == BuildConfig.VERSION_NAME)
null
else
it.jsonObject
}
}
fun getApkUrl(releases: JsonObject) : Pair<String?, String?>? {
return releases["assets"]?.jsonArray?.firstOrNull {
Regex("Pupil-v(\\d+\\.)+\\d+\\.apk").matches(it.jsonObject["name"]?.content ?: "")
}.let {
if (it == null)
null
else
Pair(it.jsonObject["browser_download_url"]?.content, it.jsonObject["name"]?.content)
}
}