oemanxTrader/OemanTrader.FinantialModelingPrepAPI/Services/MajorIndexService.cs

using Newtonsoft.Json;
using OemanTrader.Domain.Models;
using OemanTrader.Domain.Services;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace OemanTrader.FinantialModelingPrepAPI.Services
{
    public class MajorIndexService : IMajorIndexService
    {
        private readonly FinancialModelingPrepHttpClientFactory _httpClientFactory;

        public MajorIndexService(FinancialModelingPrepHttpClientFactory httpClientFactory)
        {
            _httpClientFactory = httpClientFactory;
        }

        public async Task<MajorIndex> GetMajorIndex(MajorIndexType indexType)
        {
            using (FinancialModelingPrepHttpClient client = _httpClientFactory.CreateHttpClient())
            {
                string uri = "majors-indexes/" + GetUriSuffix(indexType);

                //HttpResponseMessage response = await client.GetAsync(uri + "?apikey=2035d4934632e1d7c38f15982e39d3aa");
                MajorIndex majorIndex = await client.GetAsync<MajorIndex>(uri);
                majorIndex.Type = indexType;
                
                return majorIndex;
            }
        }

        private string GetUriSuffix(MajorIndexType indexType)
        {
            switch (indexType)
            {
                case MajorIndexType.DowJones:
                    return ".DJI";
                case MajorIndexType.Nasdaq:
                    return ".IXIC";
                case MajorIndexType.SP500:
                    return ".INX";
                default:
                    throw new Exception("MajorIndexType does not have a suffix defined.");
            }
        }
    }
}