Move Modifiers to own project

1 files changed, 59 insertions, 0 deletions

diff --git a/RhSolutions.QueryModifiers/PipeQueryModifier.cs b/RhSolutions.QueryModifiers/PipeQueryModifier.cs
new file mode 100644
index 0000000..2126c55
--- /dev/null
+++ b/RhSolutions.QueryModifiers/PipeQueryModifier.cs
@@ -0,0 +1,59 @@
+using System.Text.RegularExpressions;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
+
+namespace RhSolutions.QueryModifiers;
+
+public class PipeQueryModifier : IProductQueryModifier
+{
+    protected virtual string diameterPattern { get; } = @"([\b\D]|^)(?<Diameter>16|20|25|32|40|50|63)([\b\D]|$)";
+    protected virtual string typePattern { get; } = @"бухт|отр|штанг";
+    protected virtual string pipeName { get; } = "Flex";
+    protected virtual Dictionary<string, string> diameterNames { get; } = new()
+    {
+        ["16"] = "16x2,2",
+        ["20"] = "20x2,8",
+        ["25"] = "25x3,5",
+        ["32"] = "32x4,4",
+        ["40"] = "40x5,5",
+        ["50"] = "50x6,9",
+        ["63"] = "63x8,6"
+    };
+
+    protected virtual Dictionary<string, string> makeUpNames { get; } = new()
+    {
+        ["бухт"] = "бухта",
+        ["штанг"] = "прям.отрезки",
+        ["отр"] = "прям.отрезки"
+    };
+
+    public bool TryQueryModify(IQueryCollection collection, out QueryString queryString)
+    {
+        queryString = QueryString.Empty;
+        string query = collection["query"].ToString();
+        if (string.IsNullOrEmpty(query))
+        {
+            return false;
+        }
+
+        var diameterMatches = Regex.Matches(query, diameterPattern);
+        if (diameterMatches.Count == 0)
+        {
+            return false;
+        }
+
+        var typeMatches = Regex.Matches(query, typePattern);
+        var diameter = diameterMatches.First().Groups["Diameter"].Value;
+        string? type = typeMatches.FirstOrDefault()?.Value;
+
+        string result =
+            $"Труба {pipeName} {diameterNames[diameter]} {(type != null ? makeUpNames[type] : int.Parse(diameter) < 32 ? makeUpNames["бухт"] : makeUpNames["отр"])}";
+
+        QueryBuilder qb = new()
+        {
+            { "query", result }
+        };
+        queryString = qb.ToQueryString();
+        return true;
+    }
+}