Notes

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Nancy.Json;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Net.Http;
using System.Text;
using System.Text.Json.Nodes;

namespace API_Project.Controllers;

[Route("api/[controller]")]
[ApiController]
public class ProjectController : ControllerBase
{
private readonly HttpClient _httpClient;

public ProjectController(HttpClient httpClient)
{
_httpClient =new HttpClient();
}
[HttpGet]
[ProducesErrorResponseType(typeof(string))]
public async Task<IActionResult> GetData(string url,string api,string? filter,string? replaceKey,string? replaceValue)
{
if (url == null || api == null)
{
return BadRequest();
}
try
{
string data = await solveTest(url, api, filter, replaceKey, replaceValue);
return Ok(data);
}
catch (Exception ex)
{
return BadRequest(new BadRequestObjectResult("api or url is invalid!!!"));
}
}

private static async Task<string> solveTest(string url, string api, string? filter, string? replaceKey, string? replaceValue)
{
string call = url + api;
if (filter != null)
{
call += "?Category=" + filter;
}
HttpClient _httpClient = new HttpClient();
var response = await _httpClient.GetAsync(call);
Console.WriteLine(call);
string data = await response.Content.ReadAsStringAsync();


/*
* below is the code for replacing key with value for 4th and 5th parameter. This part will
* only be present as output and wont be posted in the api request.
* all other requests can be seen in the api request.
*/


JObject res = JObject.Parse(data);
JArray Entries = (JArray)res["entries"];
bool ReplaceKeyValue = !(replaceKey == null || replaceValue == null);
foreach (var entry in Entries)
{
JToken ob = entry;
string MatchedColumnIdentity = Test(ob,replaceKey);
if (ReplaceKeyValue && (!MatchedColumnIdentity.Equals(""))) entry[MatchedColumnIdentity] = replaceValue;
Console.WriteLine(entry);
}
return data;
}
public static string Test(JToken ob,string replaceKey)
{
JObject content = ob.ToObject<JObject>();
foreach(JProperty prop in content.Properties())
{
if (prop.Name.ToString().ToLower().Equals(replaceKey.ToLower()))
{
return prop.Name.ToString();
}
}
return "";
}
}