public TrendsService(IConfiguration config, IIngressService ingressService)
{
Context = new CryptoTideDBContext(config);
IngressService = ingressService;
// TODO(Serban): Hacky, will need to keep value in memory and be updated by the data pipeline
try
{
// Errors if max is 0
LastHour = Context.HourlyTrends.Where(t => t.Date == DateTime.Now.Date).Max(t => t.Hour);
}
catch
{
LastHour = 0;
}
}
private static async Task MainAsync()
{
IConfigurationBuilder builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json");
IConfiguration configuration = builder.Build();
// ==== Client constants ====
string tenantId = configuration["TenantId"];
string namespaceId = configuration["NamespaceId"];
string address = configuration["Address"];
string clientId = configuration["ClientId"];
string clientSecret = configuration["ClientSecret"];
string topicName = configuration["TopicName"];
string mappedClientId = configuration["MappedClientId"];
string subscriptionName = configuration["SubscriptionName"];
//Get Ingress Services to communicate with server
LoggerCallbackHandler.UseDefaultLogging = false;
AuthenticationHandler authenticationHandler = new AuthenticationHandler(new Uri(address), clientId, clientSecret);
IngressService baseIngressService = new IngressService(new Uri(address), null, HttpCompressionMethod.None, authenticationHandler);
IIngressService ingressService = baseIngressService.GetIngressService(tenantId, namespaceId);
Console.WriteLine($"OCS endpoint at {address}");
Console.WriteLine();
Topic createdTopic = null;
Subscription createdSubscription = null;
try
{
// Create a Topic
Console.WriteLine($"Creating a Topic in Namespace {namespaceId} for Client with Id {mappedClientId}");
Console.WriteLine();
Topic topic = new Topic()
{
TenantId = tenantId,
NamespaceId = namespaceId,
Name = topicName,
Description = "This is a sample Topic",
ClientIds = new List <string>()
{
mappedClientId
}
};
createdTopic = await ingressService.CreateOrUpdateTopicAsync(topic);
Console.WriteLine($"Created a Topic with Id {createdTopic.Id}");
Console.WriteLine();
// Create a Subscription
Console.WriteLine($"Creating an OCS Subscription in Namespace {namespaceId} for Topic with Id {createdTopic.Id}");
Console.WriteLine();
Subscription subscription = new Subscription()
{
TenantId = tenantId,
NamespaceId = namespaceId,
Name = subscriptionName,
Description = "This is a sample OCS Data Store Subscription",
Type = SubscriptionType.Sds,
TopicId = createdTopic.Id,
TopicTenantId = createdTopic.TenantId,
TopicNamespaceId = createdTopic.NamespaceId
};
createdSubscription = await ingressService.CreateOrUpdateSubscriptionAsync(subscription);
Console.WriteLine($"Created an OCS Subscription with Id {createdSubscription.Id}");
Console.WriteLine();
// At this point, we are ready to send OMF data to OCS.
// Please visit https://github.com/osisoft/OMF-Samples/tree/master/Tutorials/CSharp_Sds to learn how to do this.
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadLine();
}
finally
{
try
{
// Delete the Subscription
if (createdSubscription != null)
{
Console.WriteLine($"Deleting the OCS Subscription with Id {createdSubscription.Id}");
Console.WriteLine();
await ingressService.DeleteSubscriptionAsync(createdSubscription.Id);
Console.WriteLine($"Deleted the OCS Subscription with Id {createdSubscription.Id}");
Console.WriteLine();
}
// Delete the Topic
if (createdTopic != null)
{
Console.WriteLine($"Deleting the Topic with Id {createdTopic.Id}");
Console.WriteLine();
await ingressService.DeleteTopicAsync(createdTopic.Id);
Console.WriteLine($"Deleted the Topic with Id {createdTopic.Id}");
Console.WriteLine();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadLine();
}
}
}
