1 files changed, 64 insertions, 0 deletions
diff --git a/RhSolutions.QueryModifiers/ThreadTPieceWall.cs b/RhSolutions.QueryModifiers/ThreadTPieceWall.cs
new file mode 100644
index 0000000..8e11a91
--- /dev/null
+++ b/RhSolutions.QueryModifiers/ThreadTPieceWall.cs
@@ -0,0 +1,64 @@
+using System.Text.RegularExpressions;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+
+namespace RhSolutions.QueryModifiers;
+
+public class ThreadTPieceInternal : IProductQueryModifier
+{
+	private string diameterPattern = "16|20|25|32|40|50|63";
+	private string threadPattern = @"(\D|^)(?<Thread>1\s+1/4|1\s+1/2|1/2|3/4|2|1)(\D|$)";	
+
+	public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
+	{
+		queryString = QueryString.Empty;
+		var query = collection["query"].ToString();
+		if (string.IsNullOrEmpty(query))
+		{
+			return false;
+		}
+		var diameters = Regex.Matches(query, diameterPattern);
+		if (diameters.Count == 0)
+		{
+			return false;
+		}
+		var thread = Regex.Match(query, threadPattern);
+		if (!thread.Success)		
+		{
+			return false;
+		}
+		QueryBuilder qb = new()
+		{
+			{"query", ConstructName(diameters, thread)}
+		};
+		queryString = qb.ToQueryString();
+		return true;
+	}
+	
+	protected virtual string ConstructName(MatchCollection diameters, Match thread)	
+	{
+		Capture t = thread.Groups["Thread"].Captures.First();
+		if (diameters.Count == 1)		
+		{
+			if (int.Parse(diameters[0].Value) < 25)
+			{
+				return $"Тройник настенный с внутренней резьбой {diameters[0]}-Rp{t}-{diameters[0]}";
+			}
+			else
+			{
+				return $"Тройник с внутр. резьбой на боков. проходе {diameters[0]}-Rp {t}-{diameters[0]}";
+			}
+		}
+		else
+		{
+			if (int.Parse(diameters[0].Value) < 25)
+			{
+				return $"Тройник настенный с внутренней резьбой {diameters[0]}-Rp{t}-{diameters[1]}";
+			}
+			else
+			{
+				return $"Тройник с внутр. резьбой на боков. проходе {diameters[0]}-Rp {t}-{diameters[1]}";
+			}
+		}
+	}
+}