85 lines
2.8 KiB
Kotlin
85 lines
2.8 KiB
Kotlin
package com.massive
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import android.app.AlarmManager
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import android.app.PendingIntent
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import android.content.*
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import android.net.Uri
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import android.os.Build
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import androidx.annotation.RequiresApi
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import androidx.documentfile.provider.DocumentFile
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import com.facebook.react.bridge.ReactApplicationContext
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import com.facebook.react.bridge.ReactContextBaseJavaModule
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import com.facebook.react.bridge.ReactMethod
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import java.io.*
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import java.util.*
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class BackupModule constructor(context: ReactApplicationContext?) :
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ReactContextBaseJavaModule(context) {
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val context: ReactApplicationContext = reactApplicationContext
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private var targetDir: String? = null
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private val copyReceiver = object : BroadcastReceiver() {
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@RequiresApi(Build.VERSION_CODES.O)
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override fun onReceive(context: Context?, intent: Intent?) {
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val treeUri: Uri = Uri.parse(targetDir)
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val documentFile = context?.let { DocumentFile.fromTreeUri(it, treeUri) }
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val file = documentFile?.createFile("application/octet-stream", "massive.db")
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val output = context?.contentResolver?.openOutputStream(file!!.uri)
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val sourceFile = File(context?.getDatabasePath("massive.db")!!.path)
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val input = FileInputStream(sourceFile)
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if (output != null) {
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input.copyTo(output)
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}
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output?.flush()
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output?.close()
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}
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}
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@RequiresApi(Build.VERSION_CODES.M)
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@ReactMethod
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fun start(baseUri: String) {
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targetDir = baseUri
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val alarmMgr = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager
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val intent = Intent(COPY_BROADCAST)
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val pendingIntent =
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PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
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pendingIntent.send()
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val calendar = Calendar.getInstance().apply {
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timeInMillis = System.currentTimeMillis()
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set(Calendar.HOUR_OF_DAY, 6)
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set(Calendar.MINUTE, 0)
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set(Calendar.SECOND, 0)
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}
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alarmMgr.setRepeating(
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AlarmManager.RTC_WAKEUP,
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calendar.timeInMillis,
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AlarmManager.INTERVAL_DAY,
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pendingIntent
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)
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}
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@RequiresApi(Build.VERSION_CODES.M)
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@ReactMethod
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fun stop() {
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val alarmMgr = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager
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val intent = Intent(COPY_BROADCAST)
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val pendingIntent =
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PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
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alarmMgr.cancel(pendingIntent)
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}
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init {
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reactApplicationContext.registerReceiver(copyReceiver, IntentFilter(COPY_BROADCAST))
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}
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companion object {
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const val COPY_BROADCAST = "copy-event"
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}
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override fun getName(): String {
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return "BackupModule"
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}
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}
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