public static IServiceCollection AddFhirClient(this IServiceCollection serviceCollection, IConfiguration configuration)
{
EnsureArg.IsNotNull(serviceCollection, nameof(serviceCollection));
EnsureArg.IsNotNull(configuration, nameof(configuration));
var url = new Uri(configuration.GetValue <string>("FhirService:Url"));
bool useManagedIdentity = configuration.GetValue <bool>("FhirClient:UseManagedIdentity");
serviceCollection.AddHttpClient <IFhirClient, FhirClient>((client, sp) =>
{
client.BaseAddress = url;
client.Timeout = TimeSpan.FromSeconds(60);
var logger = sp.GetRequiredService <ITelemetryLogger>();
// Using discard because we don't need result
var fhirClient = new FhirClient(client);
_ = fhirClient.ValidateFhirClientAsync(logger);
return(fhirClient);
})
.AddAuthenticationHandler(serviceCollection, url, useManagedIdentity);
return(serviceCollection);
}
private async Task ValidateFhirClientUrl(string url, bool expectedIsValid)
{
var fhirClientSettings = new FhirClientSettings
{
PreferredFormat = ResourceFormat.Json,
};
var fhirClient = new FhirClient(new Uri(url), fhirClientSettings.PreferredFormat);
var logger = Substitute.For <ITelemetryLogger>();
bool actualIsValid = await fhirClient.ValidateFhirClientAsync(logger);
Assert.Equal(expectedIsValid, actualIsValid);
}
