Massive/android/app/src/main/java/com/massive/BackupModule.kt

88 lines
2.7 KiB
Kotlin

package com.massive
import android.app.AlarmManager
import android.app.PendingIntent
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.os.Build
import android.os.Environment
import androidx.annotation.RequiresApi
import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.bridge.ReactContextBaseJavaModule
import com.facebook.react.bridge.ReactMethod
import java.io.File
import java.io.FileInputStream
import java.io.FileOutputStream
import java.util.*
class BackupModule constructor(context: ReactApplicationContext?) :
ReactContextBaseJavaModule(context) {
val context: ReactApplicationContext = reactApplicationContext
private val copyReceiver = object : BroadcastReceiver() {
@RequiresApi(Build.VERSION_CODES.O)
override fun onReceive(context: Context?, intent: Intent?) {
val sourceFile = File(context?.getDatabasePath("massive.db")!!.path)
val targetDir =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
val targetFile = File(targetDir, "massive.db")
val input = FileInputStream(sourceFile)
val output = FileOutputStream(targetFile)
input.copyTo(output)
input.close()
output.close()
}
}
@RequiresApi(Build.VERSION_CODES.M)
@ReactMethod
fun start() {
val alarmMgr = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager
val intent = Intent(COPY_BROADCAST)
val pendingIntent =
PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
pendingIntent.send()
val calendar = Calendar.getInstance().apply {
timeInMillis = System.currentTimeMillis()
set(Calendar.HOUR_OF_DAY, 6)
set(Calendar.MINUTE, 0)
set(Calendar.SECOND, 0)
}
alarmMgr.setRepeating(
AlarmManager.RTC_WAKEUP,
calendar.timeInMillis,
AlarmManager.INTERVAL_DAY,
pendingIntent
)
}
@RequiresApi(Build.VERSION_CODES.M)
@ReactMethod
fun stop() {
val alarmMgr = context.getSystemService(Context.ALARM_SERVICE) as AlarmManager
val intent = Intent(COPY_BROADCAST)
val pendingIntent =
PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_IMMUTABLE)
alarmMgr.cancel(pendingIntent)
}
init {
reactApplicationContext.registerReceiver(copyReceiver, IntentFilter(COPY_BROADCAST))
}
companion object {
const val COPY_BROADCAST = "copy-event"
}
override fun getName(): String {
return "BackupModule"
}
}