jsonapi/Controllers/IndexController.cs

using System;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace jsonapi.Controllers
{
	[ApiController]
	[Route("")]
	[Produces("application/json")]
	public class IndexController : ControllerBase
	{
		private Library.SHA256HashGenerator sha256HashGenerator;
		private Library.JsonFileReader jsonFileReader;

		public IndexController()
		{
			sha256HashGenerator = Library.SHA256HashGenerator.GetInstance();
			jsonFileReader = Library.JsonFileReader.GetInstance();
		}

		[HttpGet]
		public IActionResult Get()
		{
			try
			{
				var json = jsonFileReader.Read("Static/index.json");
				return Ok(json);
			}
			catch (Exception)
			{
				dynamic errorObject = new
				{
					errorCode = StatusCodes.Status500InternalServerError,
					errorMessage = "500 Error: Something went wrong. Please contact the administrator for assistance."
				};
				return StatusCode(errorObject.errorCode, errorObject);
			}
		}

		[HttpGet("hash/{key}")]
		public IActionResult GetHash(string key)
		{
			return Ok(sha256HashGenerator.Get(key));
		}
	}
}