public static void RegisterServiceForwarder <T>(this IServiceCollection services, string serviceName) where T : class
{
var clientName = typeof(T).ToString();
RestEaseOptions options = ConfigureRestEaseOptions(services);
ConfigureDefaultClient(services, clientName, serviceName, options);
ConfigureForwarder <T>(services, clientName);
}
private static RestEaseOptions ConfigureRestEaseOptions(IServiceCollection services)
{
IConfiguration configuration;
using (var serviceProvider = services.BuildServiceProvider())
{
configuration = serviceProvider.GetService <IConfiguration>();
}
services.Configure <RestEaseOptions>(configuration.GetSection("restEase"));
RestEaseOptions options = new RestEaseOptions();
configuration.GetSection("restEase").Bind(options);
return(options);
}
private static void ConfigureDefaultClient(IServiceCollection services, string clientName,
string serviceName, RestEaseOptions options)
{
services.AddHttpClient(clientName, client =>
{
var service = options.Services.SingleOrDefault(s => s.Name.Equals(serviceName,
StringComparison.InvariantCultureIgnoreCase));
if (service == null)
{
throw new Exception($"RestEase service: '{serviceName}' was not found.");
}
client.BaseAddress = new UriBuilder
{
Scheme = service.Scheme,
Host = service.Host,
Port = service.Port
}.Uri;
});
}