Microsoft.SelfService.Portal.Core.API/Helper/APIHelper.cs

using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;

namespace Microsoft.SelfService.Portal.Core.API.Helper
{
    public class APIHelper
    {
        public static HttpClient ApiClient { get; set; } = new HttpClient();

        public static String _Url;
        public static String _Body;

        public APIHelper()
        {
            ApiClient = new HttpClient();
            ApiClient.BaseAddress = new Uri("http://rz1vcmsma001.cm.p01s01.ccis.svc.intranetbw.de:8080");
            ApiClient.DefaultRequestHeaders.Accept.Clear();
            ApiClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/xml"));

            ApiClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(
            Encoding.UTF8.GetBytes("CCIS-P01S01-CM\\ASA_Administrator:UQp7AurAkH4M")
            ));
        }
   
        public static void SetUrl(Guid RunbookId, String RestEndpointMethod)
        {
            _Url = string.Format("/00000000-0000-0000-0000-000000000000/Runbooks(guid'{0}')/{1}", RunbookId, RestEndpointMethod);
        }

        public static string GetUrl()
        {
            return _Url;
        }

        public static StringContent SetRequestHeaders(String ContentType)
        {
            MediaTypeHeaderValue JsonMediaType = null;
            MediaTypeHeaderValue.TryParse(ContentType, out JsonMediaType);

            return new StringContent(_Body, Encoding.UTF8, JsonMediaType); ;
        }

        public static void SetRequestBody(Guid parameters)
        {
            var obj = new
            {
                parameters = new[]
                {
                    new
                    {
                        __metadata = new
                        {
                            type = "Orchestrator.ResourceModel.NameValuePair"
                        },
                        Name = "deploymentId",
                        Value = parameters

                    }
                }
            };
            _Body = JsonSerializer.Serialize(obj);
        }

        public static String GetRequestBody()
        {
            return _Body;
        }
    }
}