public async Task Unsubscribe(string topic, string token)
{
if (bool.Parse(_settingsKeeper.GetSetting("EnableFcm").Value))
{
var request = new TopicManagementRequest
{
RegistrationTokens = new[] { token },
Topic = $"/topics/{topic}"
};
await _fcmClient.UnsubscribeFromTopic(request);
}
}
public async Task SubscribeAsync(ApplicationUser user, Topic topic, CancellationToken cancellationToken = default(CancellationToken))
{
using (var context = factory.Create())
{
var registrationTokens = await context.DbSet <UserRegistration>()
.Where(x => x.User == user)
.Where(x => x.DeactivationDate == null)
.Select(x => x.RegistrationToken)
.ToArrayAsync(cancellationToken);
var topicManagementRequest = new TopicManagementRequest
{
Topic = topic.Name,
RegistrationTokens = registrationTokens
};
await client.SubscribeToTopic(topicManagementRequest, cancellationToken);
}
}
private async Task <TopicManagementResponse> SendAsync(string path, TopicManagementRequest request, CancellationToken cancellationToken)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
// Build the URL:
string url = $"https://iid.googleapis.com/{path}";
// Construct the HTTP Message:
HttpRequestMessageBuilder httpRequestMessageBuilder = new HttpRequestMessageBuilder(url, HttpMethod.Post)
// Add Option to use the Access Token Auth Header:
.AddHeader("access_token_auth", "true")
// Add the Serialized Request Message:
.SetStringContent(serializer.SerializeObject(request), Encoding.UTF8, MediaTypeNames.ApplicationJson);
try
{
return(await httpClient
.SendAsync <TopicManagementResponse>(httpRequestMessageBuilder, cancellationToken)
.ConfigureAwait(false));
}
catch (FcmHttpException exception)
{
// Get the Original HTTP Response:
var response = exception.HttpResponseMessage;
// Read the Content:
var content = await response.Content
.ReadAsStringAsync()
.ConfigureAwait(false);
// Parse the Error:
var error = serializer.DeserializeObject <TopicMessageResponseError>(content);
// Throw the Exception:
throw new FcmTopicManagementException(error, content);
}
}
public Task <TopicManagementResponse> UnsubscribeFromTopic(TopicManagementRequest request, CancellationToken cancellationToken = new CancellationToken())
{
return(Task.FromResult(new TopicManagementResponse()));
}
public Task <TopicManagementResponse> UnsubscribeFromTopic(TopicManagementRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
string iidUnsubscribePath = "iid/v1:batchRemove";
return(SendAsync(iidUnsubscribePath, request, cancellationToken));
}
public Task <TopicManagementResponse> SubscribeToTopic(TopicManagementRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
string iidSubscribePath = "iid/v1:batchAdd";
return(SendAsync(iidSubscribePath, request, cancellationToken));
}
