diff --git a/app/src/main/java/by/alexandr7035/gitstat/data/DataSyncRepository.kt b/app/src/main/java/by/alexandr7035/gitstat/data/DataSyncRepository.kt
new file mode 100644
index 00000000..f0ee5e33
--- /dev/null
+++ b/app/src/main/java/by/alexandr7035/gitstat/data/DataSyncRepository.kt
@@ -0,0 +1,28 @@
+package by.alexandr7035.gitstat.data
+
+import by.alexandr7035.gitstat.core.AppPreferences
+import by.alexandr7035.gitstat.core.TimeHelper
+import by.alexandr7035.gitstat.data.local.CacheDB
+import by.alexandr7035.gitstat.data.remote.mappers.*
+import com.apollographql.apollo3.ApolloClient
+import timber.log.Timber
+import javax.inject.Inject
+
+class DataSyncRepository @Inject constructor(
+    private val apolloClient: ApolloClient,
+    private val db: CacheDB,
+    private val timeHelper: TimeHelper,
+    private val appPreferences: AppPreferences,
+
+    private val profileMapper: UserRemoteToCacheMapper,
+    private val repositoriesMapper: RepositoriesRemoteToCacheMapper,
+    private val contributionsMapper: ContributionsDaysListRemoteToCacheMapper,
+    private val ratioMapper: ContributionsRatioRemoteToCacheMapper,
+    private val daysToRatesMapper: ContributionDaysToRatesMapper,
+    )
+{
+    suspend fun test() {
+        Timber.tag("DEBUG_SERVICE").d("service repo test")
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/by/alexandr7035/gitstat/data/SyncForegroundService.kt b/app/src/main/java/by/alexandr7035/gitstat/data/SyncForegroundService.kt
index 310c397f..82597e47 100644
--- a/app/src/main/java/by/alexandr7035/gitstat/data/SyncForegroundService.kt
+++ b/app/src/main/java/by/alexandr7035/gitstat/data/SyncForegroundService.kt
@@ -1,35 +1,62 @@
 package by.alexandr7035.gitstat.data
 
+import android.app.Notification
 import android.app.PendingIntent
 import android.app.Service
+import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.os.IBinder
 import androidx.core.app.NotificationCompat
 import by.alexandr7035.gitstat.R
 import by.alexandr7035.gitstat.view.MainActivity
+import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import timber.log.Timber
+import javax.inject.Inject
 
+@AndroidEntryPoint
 class SyncForegroundService: Service() {
+
+    @Inject lateinit var syncRepository: DataSyncRepository
+    private var job: Job? = null
+
     override fun onBind(intent: Intent?): IBinder? {
         return null
     }
 
     override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
         Timber.tag("DEBUG_SERVICE").d("123")
+        startForeground(System.currentTimeMillis().toInt(), getNotification())
+
+        job = CoroutineScope(Dispatchers.IO).launch {
+            syncRepository.test()
+        }
+
+        return START_NOT_STICKY
+    }
+
+    private fun getNotification(): Notification {
 
         val notificationIntent = Intent(this, MainActivity::class.java)
         val pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0)
 
-        val notification = NotificationCompat.Builder(this, getString(R.string.NOTIFICATION_CHANNEL_ID))
+        return NotificationCompat.Builder(this, getString(R.string.NOTIFICATION_CHANNEL_ID))
             .setContentTitle(getString(R.string.sync_notification_title))
             .setContentText(getString(R.string.sync_notification_text))
             .setSmallIcon(R.drawable.ic_app_rounded)
             .setContentIntent(pendingIntent)
             .build()
+    }
 
-        startForeground(1, notification)
 
-        return START_NOT_STICKY
+    override fun onDestroy() {
+        job?.cancel()
+        job = null
+        super.onDestroy()
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/by/alexandr7035/gitstat/di/AppModule.kt b/app/src/main/java/by/alexandr7035/gitstat/di/AppModule.kt
index dcccd133..25e7e479 100644
--- a/app/src/main/java/by/alexandr7035/gitstat/di/AppModule.kt
+++ b/app/src/main/java/by/alexandr7035/gitstat/di/AppModule.kt
@@ -88,6 +88,24 @@ object AppModule {
         return ContributionsRepository(dao, timeHelper, appPreferences)
     }
 
+
+    @Provides
+    @Singleton
+    fun provideDataSyncRepository(
+        apolloClient: ApolloClient,
+        db: CacheDB,
+        timeHelper: TimeHelper,
+        appPreferences: AppPreferences,
+
+        profileMapper: UserRemoteToCacheMapper,
+        repositoriesMapper: RepositoriesRemoteToCacheMapper,
+        contributionsMapper: ContributionsDaysListRemoteToCacheMapper,
+        ratioMapper: ContributionsRatioRemoteToCacheMapper,
+        daysToRatesMapper: ContributionDaysToRatesMapper
+    ): DataSyncRepository {
+        return DataSyncRepository(apolloClient, db, timeHelper, appPreferences, profileMapper, repositoriesMapper, contributionsMapper, ratioMapper, daysToRatesMapper)
+    }
+
     /////////////////////////////////////
     // Mappers
     /////////////////////////////////////