public async Task SubscribeAsync(DeviceInstallationDto installationRequest, string user)
{
var userId = "ANY";
var installation = new Installation
{
InstallationId = installationRequest.Id,
UserId = user,
PushChannel = installationRequest.PnsHandle,
Tags = new[] { $"user:{userId}" },
Platform = NotificationPlatform.Fcm,
};
// call notification hubs to create a new registration ID, and then return the ID back to the device.
await hub.CreateOrUpdateInstallationAsync(installation);
}
public Task CreateOrUpdateInstallationAsync(Installation installation, CancellationToken cancellationToken = default)
=> Task.WhenAll(
_primaryNotificationHubClient.CreateOrUpdateInstallationAsync(installation, cancellationToken),
_backupNotificationHubClient.CreateOrUpdateInstallationAsync(installation, cancellationToken));
