Rename variables to prevent collision. Emit on db updates. Fix async function not getting arguments. Add icon on vehicles that show up when service is needed.

src/db/recordanalytics.cpp

@@ -26,7 +26,7 @@ RecordAnalytics::RecordAnalytics(QObject* parent, QSqlDatabase db) : _db(db)
 
 void RecordAnalytics::checkOilChangeNeededForVehicle(int vehicleId, int milesForChange, int monthsForChange)
 {
-    QtConcurrent::run([&](){
+    QtConcurrent::run([&](int vehicleId, int milesForChange, int monthsForChange){
         QSqlQuery query = _db.exec("SELECT * FROM records WHERE records.vehicle = "+QString::number(vehicleId));
         int milesRecord = query.record().indexOf("miles");
         int dateRecord = query.record().indexOf("servicedate");
@@ -50,7 +50,7 @@ void RecordAnalytics::checkOilChangeNeededForVehicle(int vehicleId, int milesFor
         } else {
             emit this->isOilChangeNeeded(false, vehicleId);
         }
-    });
+    },vehicleId, milesForChange, monthsForChange);
 }