3cx_tapi/server/src/CPATapi.Server/Controllers/SearchController.cs

using System.Text.RegularExpressions;
using CPATapi.Server.Interfaces;
using CPATapi.Server.Models;
using Microsoft.AspNetCore.Mvc;

namespace CPATapi.Server.Controllers;

[Route("[controller]")]
[ApiController]
public class SearchController(ITapiDirectoryRepository tapiDirectory) : ControllerBase
{
    [HttpGet]
    [ProducesResponseType<IEnumerable<TapiContact>>(StatusCodes.Status200OK)]
    public async Task<IActionResult> SearchAsync([FromQuery] string query)
    {
        if (query == null)
        {
            return Ok(new List<TapiContact>());
        }

        var args = Regex.Split(query, "\\s").Where(s => !string.IsNullOrWhiteSpace(s)).Select(s => s.Trim()).ToArray();

        return Ok(await tapiDirectory.SearchAsync(args));
    }
}