private async Task<IEnumerable<UsageObject>> GetUsageForSubscription(DataAccess.AzureSubscription subscription) {
var azureUsageService = new AzureUsageClient(subscription.GetMetricsConfig());
var websiteUsage = azureUsageService.GetWebsitesUsage();
var cloudServiceUsage = azureUsageService.GetCloudServiceUsages();
return (await websiteUsage).Concat(await cloudServiceUsage);
}
