ThirdPartyAPI/Common/Utility/Helpers.cs

using Common.Models.Confiq;
using Common.Models.Enums;
using log4net;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;

namespace Common.Utility
{

    public static class Helpers
    {

        public static List<ReferenceMap> GetReferenceMaps()
        {

            List<ReferenceMap> referenceMaps = new List<ReferenceMap>();

            string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationManager.AppSettings["MappingFilePath"].ToString());

            using (StreamReader reader = File.OpenText(mappingPath))
            {
                var jsonS = reader.ReadToEnd();
                referenceMaps = Newtonsoft.Json.JsonConvert.DeserializeObject<List<ReferenceMap>>(jsonS);
            }


            return referenceMaps;
        }


        public static Mapping GetMapping(MappingType type, string keyValue, string lang = "en")
        {

            Mapping map = new Mapping();
            try
            {
                if (string.IsNullOrEmpty(keyValue))
                {
                    return new Mapping();
                }

                var lstReferences = GetReferenceMaps().Where(x => x.Type.Equals(type.ToString())).SingleOrDefault();

                if (type == MappingType.PUSH_NOTIFY_TEMPLATE)
                    map = lstReferences.Mappings.FirstOrDefault(x => (!String.IsNullOrEmpty(x.SValue) ? x.SValue.Trim().ToUpper() : "").Equals(keyValue.ToUpper().Trim())
                                                            && (!String.IsNullOrEmpty(x.DValue) ? x.DValue.Trim().ToUpper() : "EN").Equals(lang.ToUpper().Trim()));
                else
                    map = lstReferences.Mappings.FirstOrDefault(x => (!String.IsNullOrEmpty(x.SValue) ? x.SValue.Trim().ToUpper() : "").Equals(keyValue.ToUpper().Trim()));

            }
            catch (Exception e)
            {
                LogManager.GetLogger(typeof(Helpers)).Error(($"GetMapping | {type.ToString()} | {keyValue} | {e.ToString()} "));
                throw e;
            }
            return map != null ? map : new Mapping();
        }

    }
}