DROID-3636 Notifications | Firebase messaging service implementation (#2383)

device/src/main/java/com/anytypeio/anytype/device/DeviceTokenStoringServiceImpl.kt

@@ -0,0 +1,54 @@
+package com.anytypeio.anytype.device
+
+import android.content.SharedPreferences
+import com.anytypeio.anytype.domain.base.AppCoroutineDispatchers
+import com.anytypeio.anytype.domain.base.fold
+import com.anytypeio.anytype.domain.device.DeviceTokenStoringService
+import com.anytypeio.anytype.domain.notifications.RegisterDeviceToken
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import timber.log.Timber
+
+class DeviceTokenStoringServiceImpl @Inject constructor(
+    private val sharedPreferences: SharedPreferences,
+    private val registerDeviceToken: RegisterDeviceToken,
+    private val dispatchers: AppCoroutineDispatchers,
+    private val scope: CoroutineScope
+) : DeviceTokenStoringService {
+
+    override fun saveToken(token: String) {
+        scope.launch(dispatchers.io) {
+            Timber.d("Saving token: $token")
+            sharedPreferences.edit().apply {
+                putString(PREF_KEY, token)
+                apply()
+            }
+        }
+    }
+
+    override fun start() {
+        val token = sharedPreferences.getString(PREF_KEY, null)
+        if (!token.isNullOrEmpty()) {
+            scope.launch(dispatchers.io) {
+                val params = RegisterDeviceToken.Params(token = token)
+                registerDeviceToken.async(params).fold(
+                    onSuccess = {
+                        Timber.d("Successfully registered token: $token")
+                    },
+                    onFailure = { error ->
+                        Timber.w("Failed to register token: $token, error: $error")
+                    }
+                )
+            }
+        }
+    }
+
+    override fun stop() {
+        // Nothing to do here
+    }
+
+    companion object {
+        private const val PREF_KEY = "prefs.device_token"
+    }
+}