/// <inheritdoc /> public async Task Unsubscribe(PushSubscription subscription) { if (!await _context.PushSubscription.AnyAsync(s => s.P256Dh == subscription.P256Dh)) { return; } _context.PushSubscription.Remove(subscription); await _context.SaveChangesAsync(); }
/// <inheritdoc /> public async Task <PushSubscription> Subscribe(PushSubscription subscription) { if (await _context.PushSubscription.AnyAsync(s => s.P256Dh == subscription.P256Dh)) { return(await _context.PushSubscription.FindAsync(subscription.P256Dh)); } await _context.PushSubscription.AddAsync(subscription); await _context.SaveChangesAsync(); return(subscription); }