laatzen/LaaProductionWeb/LaaProductionWeb.API/Areas/Account/Controllers/FunctionsController.cs

namespace LaaProductionWeb.API.Areas.Account.Controllers
{
    using LaaProductionWeb.Standart.Interfaces;
    
    using Microsoft.AspNetCore.Mvc;

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    
    public class FunctionsController : AccountBaseController
    {
        public FunctionsController(IAccountService accountService) : base(accountService)
        {
        }

        [HttpGet]
        public ActionResult<IEnumerable<string>> Get([FromHeader(Name = "Authorization")]string bearer)
        {
            var values = bearer
                .Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(x => Encoding.UTF8.GetString(Convert.FromBase64String(x)))
                .LastOrDefault()
                ?.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries)
                ?? Array.Empty<string>();

            if (values.Length != 3 || !short.TryParse(values[0], out short appId))
            {
                return this.BadRequest("Endpoint expects bearer authorization header with appId:username:password base64 encoded.");
            }
            
            var username = values[1];
            var password = values[2];
            var functions = this.accountService.FindUserFunctions(appId, username, password);

            return this.Ok(functions);
        }
    }
}