RhSolutions-Api/RhSolutions.QueryModifiers/ElbowModifier.cs

using System.Text.RegularExpressions;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Extensions;

namespace RhSolutions.QueryModifiers
{
    public class ElbowModifier : IProductQueryModifier
	{
		private string diameterPattern { get; } = @"\b(16|20|25|32|40|50|63)\b";
		private string anglePattern { get; } = @"\b(45|90)";
		public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
		{
			queryString = QueryString.Empty;
			var query = collection["query"].ToString();
			if (string.IsNullOrEmpty(query))
			{
				return false;
			}
			var diameter = Regex.Match(query, diameterPattern);
			if (diameter.Success)			
			{
				var angle = Regex.Match(query, anglePattern);
				QueryBuilder qb = new()				
				{
					{"query", $"Угольник RAUTITAN -PLATINUM {(angle.Success ? angle.Captures.First() : 90)} {diameter.Captures.First()}"}
				};
				queryString = qb.ToQueryString();
				return true;
			}
			else			
			{
				return false;
			}
		}
	}
}