public void Save(GreetingHistory greetingHistory)
{
_collection.ReplaceOne(g => g.Id == greetingHistory.Id, greetingHistory,
new UpdateOptions {
IsUpsert = true
});
}
public async Task SaveAsync(GreetingHistory greetingHistory)
{
await _collection.ReplaceOneAsync(g => g.Id == greetingHistory.Id, greetingHistory,
new UpdateOptions { IsUpsert = true });
}