No more main thread SQL

mobile/src/main/java/be/mygod/vpnhotspot/room/AppDatabase.kt

@@ -19,7 +19,6 @@ abstract class AppDatabase : RoomDatabase() {
                     .addMigrations(
                             Migration2
                     )
-                    .allowMainThreadQueries()
                     .build()
         }
     }

mobile/src/main/java/be/mygod/vpnhotspot/room/ClientRecord.kt

@@ -2,6 +2,10 @@ package be.mygod.vpnhotspot.room
 
 import androidx.lifecycle.LiveData
 import androidx.room.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.async
+import kotlinx.coroutines.runBlocking
 
 @Entity
 data class ClientRecord(@PrimaryKey
@@ -20,13 +24,17 @@ data class ClientRecord(@PrimaryKey
         abstract fun lookupSync(mac: Long): LiveData<ClientRecord>
 
         @Insert(onConflict = OnConflictStrategy.REPLACE)
-        protected abstract fun updateInternal(value: ClientRecord): Long
-        fun update(value: ClientRecord) = check(updateInternal(value) == value.mac)
+        protected abstract suspend fun updateInternal(value: ClientRecord): Long
+        suspend fun update(value: ClientRecord) = check(updateInternal(value) == value.mac)
 
         @Transaction
-        open suspend fun upsert(mac: Long, operation: ClientRecord.() -> Unit) = lookupOrDefault(mac).apply {
-            operation()
-            update(this)
+        protected open fun upsertSync(mac: Long, operation: ClientRecord.() -> Unit) = runBlocking {
+            lookupOrDefault(mac).apply {
+                operation()
+                update(this)
+            }
         }
+        fun upsert(mac: Long, operation: ClientRecord.() -> Unit) =
+                GlobalScope.async(Dispatchers.IO) { upsertSync(mac, operation) }
     }
 }

mobile/src/main/java/be/mygod/vpnhotspot/room/TrafficRecord.kt

@@ -40,8 +40,8 @@ data class TrafficRecord(
     @androidx.room.Dao
     abstract class Dao {
         @Insert
-        protected abstract fun insertInternal(value: TrafficRecord): Long
-        fun insert(value: TrafficRecord) {
+        protected abstract suspend fun insertInternal(value: TrafficRecord): Long
+        suspend fun insert(value: TrafficRecord) {
             check(value.id == null)
             value.id = insertInternal(value)
         }