WPF_Practice/PacticeSolution/MapFinder/Utility/KakaoAPI.cs

using MapFinder.Data;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.Encodings.Web;
using System.Threading.Tasks;

namespace MapFinder.Utility
{
    static class KakaoAPI
    {
        internal static List<FoundLocale> Search(string query)
        {
            List<FoundLocale> localeList = new List<FoundLocale>();

            string site = "https://dapi.kakao.com/v2/local/search/keyword.json";
            string rquery = $"{site}?query={query}";
            WebRequest request = WebRequest.Create(rquery);
            string rkey = "69747398a2142e62bfdaefbab4adbc42"; // REST API KEY
            string header = $"KakaoAK {rkey}";
            request.Headers.Add("Authorization", header);

            WebResponse response = request.GetResponse();
            using (Stream resStream = response.GetResponseStream())
            {
                StreamReader reader = new StreamReader(resStream, Encoding.UTF8);
                string json = reader.ReadToEnd();

                dynamic dob = JsonConvert.DeserializeObject<dynamic>(json);
                dynamic docs = dob["documents"];
                JArray buff = docs;
                int length = buff.Count;
                for (int i = 0; i < length; i++)
                {
                    string lname = docs[i]["place_name"];
                    double x = double.Parse(docs[i]["x"].ToString());
                    double y = double.Parse(docs[i]["y"].ToString());
                    localeList.Add(new FoundLocale(lname, x, y));
                }
            }
            
            return localeList;
        }
    }
}