NonInventPurchasingSystem/CPRNIMS.Domain/UIServices/SMTP/SMTP.cs

using CPRNIMS.Domain.UIContracts.Common;
using CPRNIMS.Domain.UIContracts.SMTP;
using CPRNIMS.Infrastructure.Helper;
using CPRNIMS.Infrastructure.Models.Account;
using CPRNIMS.Infrastructure.Models.Common;
using CPRNIMS.Infrastructure.ViewModel.PR;
using CPRNIMS.Infrastructure.ViewModel.SMTP;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace CPRNIMS.Domain.UIServices.SMTP
{
    public class SMTP : ISMTP
    {
        private readonly IConfiguration _configuration;
        private readonly TokenHelper _tokenHelper;
        private readonly IApiConfigurationService _apiConfigurationService;
        public SMTP(IConfiguration configuration, TokenHelper tokenHelper,
          IApiConfigurationService apiConfigurationService)
        {
            _configuration = configuration;
            _tokenHelper = tokenHelper;
            _apiConfigurationService = apiConfigurationService;
        }
        #region SendRequest service     
        public async Task<SMTPCredentialVM> SendPostApiRequest(User user,
            SMTPCredentialVM viewModel, string apiEndpoint)
        {
            var token = await _tokenHelper.GetValidTokenAsync();

            try
            {
                if (string.IsNullOrEmpty(token))
                {
                    // Handle token retrieval failure
                    return null;
                }

                viewModel.UserId = user.UserId;
                var jsonContent = JsonSerializer.Serialize(viewModel);
                var content = new StringContent(jsonContent, Encoding.UTF8, "application/json");

                using (var httpClient = _apiConfigurationService.CreateHttpClientWithDefaultHeaders(token))
                {
                    HttpResponseMessage response;

                    response = await httpClient.PostAsync(apiEndpoint, content);

                    if (response.IsSuccessStatusCode)
                    {
                        var responseObject = JsonSerializer.Deserialize<ResponseObject>(await response.Content.ReadAsStringAsync());

                        viewModel.Message = responseObject.message;
                        viewModel.StatusResponse = responseObject.statusResponse;
                        return viewModel;
                    }
                    else
                    {
                        // Handle API request failure
                        return null;
                    }
                }
            }
            catch (Exception ex)
            {
                ex.ToString();
                throw;
            }
        }
        public async Task<List<SMTPCredentialVM>> SendGetApiRequest(User user,
          SMTPCredentialVM viewModel,
         string apiEndpoint)
        {
            var token = await _tokenHelper.GetValidTokenAsync();

            try
            {
                if (string.IsNullOrEmpty(token))
                {
                    // Handle token retrieval failure
                    return null;
                }

                viewModel.UserId = user.UserId;
                var jsonContent = JsonSerializer.Serialize(viewModel);
                var content = new StringContent(jsonContent, Encoding.UTF8, "application/json");

                using (var httpClient = _apiConfigurationService.CreateHttpClientWithDefaultHeaders(token))
                {
                    HttpResponseMessage response;

                    response = await httpClient.PostAsync(apiEndpoint, content);

                    if (response.IsSuccessStatusCode)
                    {
                        var jsonResponse = await response.Content.ReadAsStringAsync();

                        var options = new JsonSerializerOptions
                        {
                            PropertyNamingPolicy = JsonNamingPolicy.CamelCase
                        };
                        var myArtWork = JsonSerializer.Deserialize<List<SMTPCredentialVM>>(jsonResponse, options);
                        return myArtWork;
                    }
                    else
                    {
                        // Handle API request failure
                        return null;
                    }
                }
            }
            catch (Exception ex)
            {
                throw;
            }
        }
        #endregion
        public async Task<List<SMTPCredentialVM>> GetAllSmtp(User user, SMTPCredentialVM viewModel)
        {
            return await SendGetApiRequest(user, viewModel,
              _configuration["LLI:NonInvent:SMTPMgmt:GetAllSmtp"]);
        }

        public async Task<List<SMTPCredentialVM>> GetMySmtp(User user, SMTPCredentialVM viewModel)
        {
            return await SendGetApiRequest(user, viewModel,
              _configuration["LLI:NonInvent:SMTPMgmt:GetMySmtp"]);
        }

        public async Task<SMTPCredentialVM> PostPutSmtp(User user, SMTPCredentialVM viewModel)
        {
            return await SendPostApiRequest(user, viewModel,
           _configuration["LLI:NonInvent:SMTPMgmt:PostPutSmtp"]);
        }
    }
}