71 lines
2.6 KiB
Kotlin
71 lines
2.6 KiB
Kotlin
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package code.name.monkey.retromusic.helper
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import android.content.Context
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import android.os.Environment
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import code.name.monkey.retromusic.BuildConfig
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.withContext
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import java.io.*
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import java.util.zip.ZipEntry
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import java.util.zip.ZipOutputStream
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object BackupHelper {
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suspend fun createBackup(context: Context) {
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withContext(Dispatchers.IO) {
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val finalPath = backupRootPath + System.currentTimeMillis().toString() + backupExt
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val zipItems = mutableListOf<ZipItem>()
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zipItems.addAll(getDatabaseZipItems(context))
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zipItems.addAll(getSettingsZipItems(context))
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getUserImageZipItems(context)?.let { zipItems.addAll(it) }
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zipAll(zipItems, finalPath)
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}
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}
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private fun zipAll(zipItems: List<ZipItem>, finalPath: String) {
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ZipOutputStream(BufferedOutputStream(FileOutputStream(finalPath))).use { out ->
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for (zipItem in zipItems) {
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FileInputStream(zipItem.filePath).use { fi ->
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BufferedInputStream(fi).use { origin ->
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val entry = ZipEntry(zipItem.zipPath)
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out.putNextEntry(entry)
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origin.copyTo(out, 1024)
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}
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}
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}
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}
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}
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private fun getDatabaseZipItems(context: Context): List<ZipItem> {
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return context.databaseList().filter {
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it.endsWith(".db")
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}.map {
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ZipItem(context.getDatabasePath(it).absolutePath, "databases${File.separator}$it")
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}
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}
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private fun getSettingsZipItems(context: Context): List<ZipItem> {
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val sharedPrefPath = context.filesDir.parentFile?.absolutePath + "/shared_prefs/"
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return listOf(
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"${BuildConfig.APPLICATION_ID}_preferences.xml", // App settings pref path
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"$THEME_PREFS_KEY_DEFAULT.xml" // appthemehelper pref path
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).map {
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ZipItem(sharedPrefPath + it, "preferences${File.separator}$it")
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}
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}
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private fun getUserImageZipItems(context: Context): List<ZipItem>? {
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return context.filesDir.listFiles { _, name ->
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name.endsWith(".jpg")
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}?.map {
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ZipItem(it.absolutePath, "userImages${File.separator}${it.name}")
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}
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}
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val backupRootPath =
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Environment.getExternalStorageDirectory().toString() + "/RetroMusic/Backups/"
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const val backupExt = ".rmbak"
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private const val THEME_PREFS_KEY_DEFAULT = "[[kabouzeid_app-theme-helper]]"
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}
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data class ZipItem(val filePath: String, val zipPath: String)
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