Implement gRPC search service

Dockerfile

@@ -7,7 +7,8 @@ RUN dotnet publish -c Release -o out
 
 FROM mcr.microsoft.com/dotnet/aspnet:6.0
 EXPOSE 5000
+EXPOSE 43000
 WORKDIR /app
 COPY  --from=build /app/out .
 ENV ASPNETCORE_ENVIRONMENT Production
-ENTRYPOINT [ "dotnet", "RhSolutions.Api.dll", "--urls=http://0.0.0.0:5000" ]
+ENTRYPOINT [ "dotnet", "RhSolutions.Api.dll" ]

RhSolutions.Api.Tests/ProductQueryModifierTests.cs

@@ -1,6 +1,3 @@
-using System.Web;
-using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.Primitives;
 public abstract class ProductQueryModifierTests
 {
 	protected ProductQueryModifierFactory _factory;
@@ -10,17 +7,10 @@ public abstract class ProductQueryModifierTests
 	{
 		_factory = new ProductQueryModifierFactory();
 	}
-	public void Execute(string productType, string query, string modified)
+	public void Execute(string productType, string query, string expected)
 	{
-		Dictionary<string, StringValues> queryPair = new()
-		{
-			["query"] = new StringValues(query)
-		};
-		QueryCollection collection = new(queryPair);		
 		var modifier = _factory.GetModifier(productType);		
-		
+		Assert.True(modifier.TryQueryModify(query, out var actual));
-		Assert.True(modifier.TryQueryModify(collection, out var actual));
+		Assert.That(actual, Is.EqualTo(expected));
-		string? result = HttpUtility.ParseQueryString(actual.ToString())["query"];
-		Assert.That(result, Is.EqualTo(modified));
 	}
 }

RhSolutions.Api/Middleware/QueryModifier.cs

@@ -1,4 +1,5 @@
-using RhSolutions.Api.Services;
+using Microsoft.AspNetCore.Http.Extensions;
+using RhSolutions.Api.Services;
 using RhSolutions.QueryModifiers;
 
 namespace RhSolutions.Api.Middleware;
@@ -20,9 +21,13 @@ public class QueryModifier
 			string query = context.Request.Query["query"].ToString();
 			var productType = typePredicter.GetPredictedProductType(query);
 			var modifier = productQueryModifierFactory.GetModifier(productType!);
-            if (modifier.TryQueryModify(context.Request.Query, out var newQuery))
+			if (modifier.TryQueryModify(query, out var modified))
 			{
-                context.Request.QueryString = newQuery;
+				QueryBuilder qb = new()
+				{
+					{"query", modified}
+				};
+				context.Request.QueryString = qb.ToQueryString();
 			}
 		}
 		await _next(context);

RhSolutions.Api/Program.cs

@@ -4,7 +4,7 @@ using RhSolutions.Api.Services;
 using RhSolutions.Api.Middleware;
 using RhSolutions.QueryModifiers;
 
-var builder = WebApplication.CreateBuilder(args);
+var builder = WebApplication.CreateBuilder();
 
 string dbHost = builder.Configuration["DB_HOST"],
 	dbPort = builder.Configuration["DB_PORT"],
@@ -23,17 +23,18 @@ builder.Services.AddDbContext<RhSolutionsContext>(opts =>
 		opts.EnableSensitiveDataLogging(true);
 	}
 });
+
 builder.Services.AddScoped<IPricelistParser, ClosedXMLParser>()
 	.AddScoped<IProductTypePredicter, ProductTypePredicter>()
-	.AddSingleton<ProductQueryModifierFactory>();
+	.AddSingleton<ProductQueryModifierFactory>()
+	.AddGrpc();
+
 builder.Services.AddControllers();
 
 var app = builder.Build();
 
 app.MapControllers();
+app.MapGrpcService<SearchService>();
 app.UseMiddleware<QueryModifier>();
 
-var context = app.Services.CreateScope().ServiceProvider
-	.GetRequiredService<RhSolutionsContext>();
-	
 app.Run();

RhSolutions.Api/Properties/launchSettings.json

@@ -4,7 +4,7 @@
     "anonymousAuthentication": true,
     "launchBrowser": false,
     "iisExpress": {
-      "applicationUrl": "http://localhost:5000",
+      "applicationUrl": "http://localhost:5000;http://localhost:43000",
       "sslPort": 0
     }
   },
@@ -13,7 +13,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": false,
-      "applicationUrl": "http://localhost:5000",
+      "applicationUrl": "http://localhost:5000;http://localhost:43000",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }

RhSolutions.Api/Protos/product.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+service ProductSearch {
+  rpc GetProduct (ProductRequest) returns (ProductReply);
+}
+
+message ProductRequest {
+  string query = 1;
+}
+
+message ProductReply {
+  string id = 1;
+  string name = 2;
+  double price = 3;
+}

RhSolutions.Api/RhSolutions.Api.csproj

@@ -9,6 +9,11 @@
 
   <ItemGroup>
     <PackageReference Include="ClosedXML" Version="0.100.0" />
+    <PackageReference Include="Grpc.AspnetCore" Version="2.58.0" />
+    <PackageReference Include="Grpc.Tools" Version="2.59.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
@@ -29,4 +34,9 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <Protobuf Include="Protos\product.proto" GrpcServices="Server" />
+  </ItemGroup>
+
+
 </Project>

RhSolutions.Api/Services/SearchService.cs

@@ -0,0 +1,48 @@
+using Grpc.Core;
+using RhSolutions.Models;
+using Microsoft.EntityFrameworkCore;
+using RhSolutions.QueryModifiers;
+
+namespace RhSolutions.Api.Services;
+
+public class SearchService : ProductSearch.ProductSearchBase
+{
+	private RhSolutionsContext _dbContext;
+	private IProductTypePredicter _typePredicter;
+	private ProductQueryModifierFactory _productQueryModifierFactory;
+
+	public SearchService(RhSolutionsContext dbContext, IProductTypePredicter typePredicter, ProductQueryModifierFactory productQueryModifierFactory)
+	{
+		_dbContext = dbContext;
+		_typePredicter = typePredicter;
+		_productQueryModifierFactory = productQueryModifierFactory;
+	}
+	public override async Task<ProductReply?> GetProduct(ProductRequest request, ServerCallContext context)
+	{
+		var productType = _typePredicter.GetPredictedProductType(request.Query);
+		var modifier = _productQueryModifierFactory.GetModifier(productType!);
+		string query = request.Query;
+		if (modifier.TryQueryModify(query, out var modified))
+		{
+			query = modified;
+		}
+		var product = await _dbContext.Products
+				.Where(p => EF.Functions.ToTsVector(
+					"russian", string.Join(' ', new[] { p.Name, string.Join(' ', p.ProductLines) }))
+					.Matches(EF.Functions.WebSearchToTsQuery("russian", query)))
+				.OrderByDescending(p => p.IsOnWarehouse)
+				.FirstOrDefaultAsync();
+
+		if (product != null)
+		{
+			return new ProductReply()
+			{
+				Id = product.Id,
+				Name = product.Name,
+				Price = (double)product.Price
+			};
+		}
+		return null;
+	}
+}
+

RhSolutions.Api/appsettings.json

@@ -6,5 +6,17 @@
       "Microsoft.EntityFrameworkCore": "Information"
     }
   },
-     "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "Kestrel": {
+    "Endpoints": {
+      "Http": {
+        "Url": "http://0.0.0.0:5000",
+        "Protocols": "Http1AndHttp2"
+      },
+      "gRPC": {
+        "Url": "http://0.0.0.0:43000",
+        "Protocols": "Http2"
+      }
+    }
+  }
 }

RhSolutions.QueryModifiers/BypassQueryModifier.cs

@@ -1,12 +1,10 @@
-using Microsoft.AspNetCore.Http;
+namespace RhSolutions.QueryModifiers;
-
-namespace RhSolutions.QueryModifiers;
 
 public sealed class BypassQueryModifier : IProductQueryModifier
 {
-    public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
+	public bool TryQueryModify(string query, out string queryModified)
 	{
-        queryString = QueryString.Empty;
+		queryModified = string.Empty;
 		return false;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/Adapter.cs

@@ -4,18 +4,20 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 
 public abstract class Adapter : DrinkingWaterHeatingFitting
 {
-	protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{		
-		Match diameter = _diameter.Match(query);
+		output = string.Empty;
+		Match diameter = _diameter.Match(input);
 		if (!diameter.Success)
 		{
-			return null;
+			return false;
 		}
-		Match thread = _thread.Match(query);
+		Match thread = _thread.Match(input);
 		if (!thread.Success)
 		{
-			return null;
+			return false;
 		}
-		return $"{_title} {diameter.Groups["Diameter"]} {thread.Groups["Thread"]}";
+		output = $"{_title} {diameter.Groups["Diameter"]} {thread.Groups["Thread"]}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/BendFormerHeating.cs

@@ -3,20 +3,22 @@
 public class BendFormerHeating : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Фиксатор поворота";
-    protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-        var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (!diameterMatch.Success)
 		{
-            return null;
+			return false;
 		}
 		string diameter = diameterMatch.Groups["Diameter"].Value;
 		if (diameter == "16")
 		{
 			diameter += "/17";
 		}
-        var angleMatch = _angle.Match(query);
+		var angleMatch = _angle.Match(input);
 		string angle = angleMatch.Success ? angleMatch.Groups["Angle"].Value : "90";
-        return $"{_title} {diameter}/{angle}°";
+		output = $"{_title} {diameter}/{angle}°";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/BendFormerSanitary.cs

@@ -3,16 +3,19 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class BendFormerSanitary : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Фиксатор поворота с кольцами";
-    protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-        var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (!diameterMatch.Success)
 		{
-            return null;
+			return false;
 		}
 		string diameter = diameterMatch.Groups["Diameter"].Value;
-        var angleMatch = _angle.Match(query);
+		var angleMatch = _angle.Match(input);
 		string angle = angleMatch.Success ? angleMatch.Groups["Angle"].Value : "90";
-        return $"{_title} {angle}° {diameter}";
+		output = $"{_title} {angle}° {diameter}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ConnectionBend.cs

@@ -9,16 +9,18 @@ public class ConnectionBend : DrinkingWaterHeatingFitting
 		new(@"([\b\D]|^)?(?<Diameter>16|20|25)(\D+|.*15.*)(?<Length>\b\d{3,4})([\b\D]|$)");
 	protected override string _title => "Трубка Г-образная";
 
-	protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var match = _pattern.Match(query);
+		output = string.Empty;
+		var match = _pattern.Match(input);
 		if (!match.Success)
 		{
-			return null;
+			return false;
 		}
 		string diameter =  match.Groups["Diameter"].Value;
 		int length = int.Parse(match.Groups["Length"].Value);
 		int nearest = lengths.OrderBy(x => Math.Abs(x - length)).First();
-		return $"{_title} {diameter}/{nearest}";
+		output = $"{_title} {diameter}/{nearest}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/Coupling.cs

@@ -3,12 +3,14 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class Coupling : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Муфта соединительная";
-	protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diametersMatches = _diameter.Matches(query);			
+		output = string.Empty;
+		var diametersMatches = _diameter.Matches(input);			
 		if (diametersMatches.Count == 0)		
 		{
-			return null;
+			return false;
 		}
 		var diameters = diametersMatches.Select(x => x.Groups["Diameter"].Value)
 			.Take(2)
@@ -16,11 +18,12 @@ public class Coupling : DrinkingWaterHeatingFitting
 			.ToArray();			
 		if (diameters.Length == 1 || diameters[0] == diameters[1])
 		{
-				return $"{_title} равнопроходная {diameters[0]}";
+			output = $"{_title} равнопроходная {diameters[0]}";
 		}
 		else
 		{
-				return $"{_title} переходная {diameters[0]}-{diameters[1]}";
+			output = $"{_title} переходная {diameters[0]}-{diameters[1]}";
-			}
+		}
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/DrinkingWaterHeatingFitting.cs

@@ -1,6 +1,4 @@
 using System.Text.RegularExpressions;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Extensions;
 
 namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 
@@ -15,34 +13,18 @@ public abstract class DrinkingWaterHeatingFitting : IProductQueryModifier
 
 	protected virtual string _title { get; } = string.Empty;
 
-	public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
+	public virtual bool TryQueryModify(string input, out string output)
 	{
-		queryString = QueryString.Empty;
+		var match = _diameter.Match(input);
-		string query = collection["query"].ToString();
-		if (string.IsNullOrEmpty(query))
-		{
-			return false;
-		}
-		string? result = BuildRhSolutionsName(query);
-		if (result != null)
-		{
-			QueryBuilder qb = new()
-			{
-				{ "query", result }
-			};
-			queryString = qb.ToQueryString();
-			return true;
-		}
-		return false;
-	}
-
-	protected virtual string? BuildRhSolutionsName(string query)
-	{
-		var match = _diameter.Match(query);
 		if (match.Success)
 		{
-			return $"{_title} {match.Groups["Diameter"]}";
+			output = $"{_title} {match.Groups["Diameter"]}";
+			return true;
+		}
+		else
+		{
+			output = string.Empty;
+			return false;
 		}
-		return null;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ElbowModifier.cs

@@ -3,16 +3,19 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class ElbowModifier : DrinkingWaterHeatingFitting
 {
 	protected override string _title { get; } = "Угольник RAUTITAN -PLATINUM";
-    protected override string? BuildRhSolutionsName(string query)
+	
+	public override bool TryQueryModify(string input, out string output)
 	{
-        var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (!diameterMatch.Success)
 		{
-            return null;
+			return false;
 		}
 		string diameter = diameterMatch.Groups["Diameter"].Value;
-        var angleMatch = _angle.Match(query);
+		var angleMatch = _angle.Match(input);
 		string angle = angleMatch.Success ? angleMatch.Groups["Angle"].Value : "90";
-        return $"{_title} {angle} {diameter}";
+		output = $"{_title} {angle} {diameter}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/Eurocone.cs

@@ -4,18 +4,19 @@ public abstract class Eurocone : DrinkingWaterHeatingFitting
 {
 	protected virtual Dictionary<string, string> _titles { get; } = new();
 
-	protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (diameterMatch.Success)
 		{
 			string diameter = diameterMatch.Groups["Diameter"].Value;
 			if (_titles.TryGetValue(diameter, out string? title))
 			{
-				return title;
+				output = title;
-			}
+				return true;
-			else return null;
+			}
-		}
+		}
-		return null;
+		return false;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/EuroconeAdapter.cs

@@ -3,14 +3,17 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class EuroconeAdapter : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Переходник на евроконус";
-	protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (diameterMatch.Success)
 		{
 			string diameter = diameterMatch.Groups["Diameter"].Value;
-			return $"{_title} {diameter}-G 3/4";
+			output = $"{_title} {diameter}-G 3/4";
+			return true;
 		}
-		return null;
+		return false;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/EuroconeConnectionBend.cs

@@ -2,8 +2,9 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 
 public class EuroconeConnectionBend : DrinkingWaterHeatingFitting
 {
-    protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-        return "Резьбозажимное соединение для металлической трубки G 3/4 -15";
+		output = "Резьбозажимное соединение для металлической трубки G 3/4 -15";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/Nippel.cs

@@ -2,8 +2,9 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 
 public class Nippel : DrinkingWaterHeatingFitting
 {
-    protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-        return "К-т двух резьбозажим. нипелей с нар.резьбой 1/2х3/4";
+		output = "К-т двух резьбозажим. нипелей с нар.резьбой 1/2х3/4";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/SupportingClip.cs

@@ -4,9 +4,10 @@ public class SupportingClip : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Фиксирующий желоб для ПЭ-трубы";
 
-	protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatch = _diameter.Match(query);
+		output = string.Empty;		
+		var diameterMatch = _diameter.Match(input);
 		if (diameterMatch.Success)
 		{
 			string diameter = diameterMatch.Groups["Diameter"].Value;
@@ -14,8 +15,9 @@ public class SupportingClip : DrinkingWaterHeatingFitting
 			{
 				diameter += "/17";
 			}
-			return $"{_title} {diameter}";
+			output = $"{_title} {diameter}";
+			return true;
 		}
-		return null;
+		return false;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/TPiece.cs

@@ -4,22 +4,24 @@ public class TPiece : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Тройник RAUTITAN -PLATINUM";
 
-    protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-        var diameters = _diameter.Matches(query)
+		output = string.Empty;
+		var diameters = _diameter.Matches(input)
 			.Select(match => match.Groups["Diameter"].Value)
 			.ToArray();
 		if (diameters.Length == 1)
 		{
-            return $"{_title} {diameters[0]}-{diameters[0]}-{diameters[0]}";
+			output = $"{_title} {diameters[0]}-{diameters[0]}-{diameters[0]}";
 		}
 		else if (diameters.Length >= 3)
 		{
-            return $"{_title} {diameters[0]}-{diameters[1]}-{diameters[2]}";
+			output = $"{_title} {diameters[0]}-{diameters[1]}-{diameters[2]}";
 		}
 		else
 		{
-            return null;
+			return false;
-        }
+		}
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ThreadElbowDoubleWallInternal.cs

@@ -7,23 +7,25 @@ public class ThreadElbowDoubleWallInternal : DrinkingWaterHeatingFitting
 	protected override string _title => "Проточный настенный угольник";
 	private Regex _type = new(@"([\b\Wу])(?<Type>длин)([\b\w\.\s])");
 
-	protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatches = _diameter.Matches(query);
+		output = string.Empty;
+		var diameterMatches = _diameter.Matches(input);
 		if (diameterMatches.Count == 0)
 		{
-			return null;
+			return false;
 		}
-		var threadMatch = _thread.Match(query);
+		var threadMatch = _thread.Match(input);
 		if (!threadMatch.Success)
 		{
-			return null;
+			return false;
 		}
-		var typeMatch = _type.Match(query);
+		var typeMatch = _type.Match(input);
 		string[] diameters = diameterMatches.Select(x => x.Groups["Diameter"].Value).ToArray();
 		string thread = threadMatch.Groups["Thread"].Value;
 		string type = typeMatch.Success ? "длинный" : "короткий";
 		
-		return $"{_title} {diameters[0]}/{(diameters.Length > 1 ? diameters[1] : diameters[0])}-Rp {thread} {type}";
+		output = $"{_title} {diameters[0]}/{(diameters.Length > 1 ? diameters[1] : diameters[0])}-Rp {thread} {type}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ThreadElbowWallExternal.cs

@@ -3,20 +3,23 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class ThreadElbowWallExternal : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Угольник настенный с наружной резьбой";
-	protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (!diameterMatch.Success)
 		{
-			return null;
+			return false;
 		}
-		var threadMatch = _thread.Match(query);
+		var threadMatch = _thread.Match(input);
 		if (!threadMatch.Success)
 		{
-			return null;
+			return false;
 		}
 		string diameter = diameterMatch.Groups["Diameter"].Value;
 		string thread = threadMatch.Groups["Thread"].Value;
-		return $"{_title} {diameter}-R {thread}";
+		output = $"{_title} {diameter}-R {thread}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ThreadElbowWallInternal.cs

@@ -6,21 +6,24 @@ public class ThreadElbowWallInternal : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Угольник настенный внутр. резьба";
 	private Regex _type = new(@"([\b\Wу])(?<Type>длин)([\b\w\.\s])");
-	protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-		var diameterMatch = _diameter.Match(query);
+		output = string.Empty;
+		var diameterMatch = _diameter.Match(input);
 		if (!diameterMatch.Success)
 		{
-			return null;
+			return false;
 		}
-		var threadMatch = _thread.Match(query);
+		var threadMatch = _thread.Match(input);
 		if (!threadMatch.Success)
 		{
-			return null;
+			return false;
 		}
-		var typeMatch = _type.Match(query);
+		var typeMatch = _type.Match(input);
 		string diameter = diameterMatch.Groups["Diameter"].Value;
 		string thread = threadMatch.Groups["Thread"].Value;
-		return $"{_title} {(typeMatch.Success ? "длинный " : string.Empty)}{diameter}-Rp {thread}";
+		output = $"{_title} {(typeMatch.Success ? "длинный " : string.Empty)}{diameter}-Rp {thread}";
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ThreadTPieceExternal.cs

@@ -5,22 +5,25 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 public class ThreadTPieceExternal : DrinkingWaterHeatingFitting
 {
 	protected override string _title => "Тройник RAUTITAN с наружной резьбой";
-    protected override string? BuildRhSolutionsName(string query)
+
+	public override bool TryQueryModify(string input, out string output)
 	{
-        MatchCollection diametersMatches = _diameter.Matches(query);
+		output = string.Empty;
+		MatchCollection diametersMatches = _diameter.Matches(input);
 		if (diametersMatches.Count == 0)
 		{
-            return null;
+			return false;
 		}
-        string thread = _thread.Match(query).Groups["Thread"].Value;
+		string thread = _thread.Match(input).Groups["Thread"].Value;
 		int[] diameters = diametersMatches.Select(match => int.Parse(match.Groups["Diameter"].Value)).ToArray();
 		if (diameters.Length == 1)
 		{
-            return $"{_title} {diameters[0]}-{diameters[0]}-R {thread}";
+			output = $"{_title} {diameters[0]}-{diameters[0]}-R {thread}";
 		}
 		else
 		{
-            return $"{_title} {diameters[0]}-{diameters[1]}-R {thread}";
+			output = $"{_title} {diameters[0]}-{diameters[1]}-R {thread}";
-        }
+		}
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingFittings/ThreadTPieceInternal.cs

@@ -4,36 +4,38 @@ namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingFittings;
 
 public class ThreadTPieceInternal : DrinkingWaterHeatingFitting
 {
-    protected override string? BuildRhSolutionsName(string query)
+	public override bool TryQueryModify(string input, out string output)
 	{
-        MatchCollection diametersMatches = _diameter.Matches(query);
+		output = string.Empty;
+		MatchCollection diametersMatches = _diameter.Matches(input);
 		if (diametersMatches.Count == 0)
 		{
-            return null;
+			return false;
 		}
-        string thread = _thread.Match(query).Groups["Thread"].Value;
+		string thread = _thread.Match(input).Groups["Thread"].Value;
 		int[] diameters = diametersMatches.Select(match => int.Parse(match.Groups["Diameter"].Value)).ToArray();
 		if (diameters.Length == 1)
 		{
 			if (diameters[0] < 25)
 			{
-                return $"Тройник RAUTITAN настенный с внутренней резьбой {diameters[0]}-Rp{thread}-{diameters[0]}";
+				output = $"Тройник RAUTITAN настенный с внутренней резьбой {diameters[0]}-Rp{thread}-{diameters[0]}";
 			}
 			else
 			{
-                return $"Тройник RAUTITAN с внутр. резьбой на боков. проходе {diameters[0]}-Rp {thread}-{diameters[0]}";
+				output = $"Тройник RAUTITAN с внутр. резьбой на боков. проходе {diameters[0]}-Rp {thread}-{diameters[0]}";
 			}
 		}
 		else
 		{
 			if (diameters[0] < 25)
 			{
-                return $"Тройник RAUTITAN настенный с внутренней резьбой {diameters[0]}-Rp{thread}-{diameters[1]}";
+				output = $"Тройник RAUTITAN настенный с внутренней резьбой {diameters[0]}-Rp{thread}-{diameters[1]}";
 			}
 			else
 			{
-                return $"Тройник RAUTITAN с внутр. резьбой на боков. проходе {diameters[0]}-Rp {thread}-{diameters[1]}";
+				output = $"Тройник RAUTITAN с внутр. резьбой на боков. проходе {diameters[0]}-Rp {thread}-{diameters[1]}";
 			}
 		}
+		return true;
 	}
 }

RhSolutions.QueryModifiers/DrinkingWaterHeatingPipes/DrinkingWaterHeatingPipe.cs

@@ -1,6 +1,4 @@
 using System.Text.RegularExpressions;
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Http.Extensions;
 
 namespace RhSolutions.QueryModifiers.DrinkingWaterHeatingPipes;
 
@@ -30,48 +28,29 @@ public class DrinkingWaterHeatingPipe : IProductQueryModifier
 		["отр"] = "прям.отрезки"
 	};
 
-    public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
+	public bool TryQueryModify(string input, out string output)
 	{
-        queryString = QueryString.Empty;
+		output = string.Empty;
-        string query = collection["query"].ToString();
+		var diameterMatch = _diameter.Match(input);
-        if (string.IsNullOrEmpty(query))
-        {
-            return false;
-        }
-        string? result = BuildRhSolutionsName(query);
-        if (result != null)
-        {
-            QueryBuilder qb = new()
-            {
-                { "query", result }
-            };
-            queryString = qb.ToQueryString();
-            return true;
-        }
-        return false;
-    }
-
-    protected virtual string? BuildRhSolutionsName(string query)
-    {
-        var diameterMatch = _diameter.Match(query);
 		if (!diameterMatch.Success)
 		{
-            return null;
+			return false;
 		}
 		var diameter = int.Parse(diameterMatch.Groups["Diameter"].Value);
-        var typeMatch = _type.Match(query);
+		var typeMatch = _type.Match(input);
 		if (typeMatch.Success)
 		{
 			var type = typeMatch.Groups["Type"].Value;
-            return $"Труба {_title} {_diameterNames[diameter]} {_makeUp[type]}";
+			output = $"Труба {_title} {_diameterNames[diameter]} {_makeUp[type]}";
 		}
 		else if (diameter < 32)
 		{
-            return $"Труба {_title} {_diameterNames[diameter]} {_makeUp["бухт"]}";
+			output = $"Труба {_title} {_diameterNames[diameter]} {_makeUp["бухт"]}";
 		}
 		else
 		{
-            return $"Труба {_title} {_diameterNames[diameter]} {_makeUp["отр"]}";
+			output = $"Труба {_title} {_diameterNames[diameter]} {_makeUp["отр"]}";
-        }
+		}
+		return true;
 	}
 }

RhSolutions.QueryModifiers/IProductQueryModifier.cs

@@ -1,8 +1,6 @@
-using Microsoft.AspNetCore.Http;
+namespace RhSolutions.QueryModifiers;
-
-namespace RhSolutions.QueryModifiers;
 
 public interface IProductQueryModifier
 {
-    public bool TryQueryModify(IQueryCollection collection, out QueryString queryString);
+    public bool TryQueryModify(string query, out string queryModified);
 }