mapo-core/MP.TaskMan/Services/RestCallService.cs

using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using NLog;
using RestSharp;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using static System.Net.Mime.MediaTypeNames;

namespace MP.TaskMan.Services
{
    public class RestCallService
    {
        #region Public Constructors

        /// <summary>
        /// Init classe
        /// </summary>
        /// <param name="configuration"></param>
        public RestCallService(IConfiguration configuration)
        {
            _configuration = configuration;
            // verifico la url base
            apiUrl = _configuration.GetValue<string>("ServerConf:Prog.ApiUrl");
            // fix opzioni base del RestClient
            restOptStd = new RestClientOptions
            {
                Timeout = TimeSpan.FromSeconds(60),
                BaseUrl = new Uri(apiUrl)
            };
        }

        private string apiUrl = "";

        #endregion Public Constructors

        #region Public Methods

        /// <summary>
        /// Stato server da chiamare x verifiche preliminari stato API REST
        /// </summary>
        /// <param name="ApiUrl"></param>
        /// <returns></returns>
        public async Task<string> CheckServer()
        {
            string answ = "ND";
            // cerco online
            using (RestClient client = new RestClient(restOptStd))
            {
                var request = new RestRequest($"api/health", Method.Get);
                var response = await client.GetAsync(request);
                // controllo risposta
                if (response.StatusCode == System.Net.HttpStatusCode.OK)
                {
                    // verifico risposta
                    if (response.Content != null)
                    {
                        answ = response.Content.Replace("\"", "");
                    }
                }
            }
            return answ;
        }

        /// <summary>
        /// Effettua una generica chiamata ApiRest
        /// </summary>
        /// <param name="ApiUrl">URL Api di base</param>
        /// <param name="ApiRequest">Richiesta completa</param>
        /// <returns></returns>
        public async Task<RestResponse> CallRestGet(string ApiUrl, string ApiRequest)
        {
            RestResponse response;
            // cerco online
            using (RestClient client = new RestClient(ApiUrl))
            {
                var request = new RestRequest(ApiRequest, Method.Get);
                response = await client.GetAsync(request);
            }
            return response;
        }

        #endregion Public Methods

        #region Private Fields

        private static IConfiguration? _configuration;

        /// <summary>
        /// Classe logger
        /// </summary>
        private static Logger Log = LogManager.GetCurrentClassLogger();

        #endregion Private Fields

        #region Private Properties

        /// <summary>
        /// Conf client RestSharp standard:
        /// - base URI al sito
        /// - timeout 1 min
        /// </summary>
        private RestClientOptions restOptStd { get; set; } = new RestClientOptions();

        #endregion Private Properties
    }
}