public static async Task <T> PostAsync <T, S>(
this HttpClient httpClient,
string serviceName,
string virtualPath,
string code = null,
object body = null,
IServiceFinder <S> serviceFinder = null,
ILoadBalancer balancer = null) where S : IService
{
if (serviceName.IsNullOrEmpty())
{
throw new AngleExceptions("service name not exits");
}
if (virtualPath.IsNullOrEmpty())
{
throw new AngleExceptions("virtualPath not exits");
}
if (serviceFinder.IsNull())
{
throw new AngleExceptions("serviceFinder cannot be null");
}
balancer = balancer ?? new WeightRoundBalancer();
var userServices = await serviceFinder.FindByNameAsync(serviceName);
var foundedService = default(S);
if (!userServices.IsNull() && userServices.Count > 0)
{
var servicesDictionary = (from us in userServices select new { service = us, weight = us.Weight, }).ToDictionary(x => x.service, y => y.weight);
foundedService = balancer.Balance(servicesDictionary);
}
using (var client = new HttpClient())
{
var url = foundedService?.Address.ToString() + virtualPath;
if (!code.IsNullOrEmpty())
{
client.DefaultRequestHeaders.Add("Authorization", code);
}
return(await client.PostAsync <T>(url, body));
}
}