Implement sleeves calculator

RhSolutions.AddIn/Services/SleevesCalculator.cs

@@ -1,13 +1,64 @@
-namespace RhSolutions.Services;
+using System.Text.RegularExpressions;
+
+namespace RhSolutions.Services;
 
 public class SleevesCalculator : ISleevesCaluculator
 {
+    private const string doublePattern =
+        @"((?i)равнопроходная|угольник 90|угольник 45|Т-образная|Комплект трубок(?i))(.+?(?<Sleeve>\b16\b|\b20\b|\b25\b|\b32\b|\b40\b|\b50\b|\b63\b))+";
+    private const string singlePattern =
+        @"((?i)муфта|тройник|переходник|угольник|штуцер|Г-образная|заглушка(?i))(.+?(?<Sleeve>\b16\b|\b20\b|\b25\b|\b32\b|\b40\b|\b50\b|\b63\b))+";
+
     public Dictionary<Product, double> CalculateSleeves(Dictionary<Product, double> products)
     {
-        int counter = products.Where(kvp => kvp.Key.ProductLines.Contains("RAUTITAN")).Count();
-        return new Dictionary<Product, double>()
+        Dictionary<string, double> result = new()
         {
-            [new Product("11600011001")] = counter
+            ["16"] = 0,
+            ["20"] = 0,
+            ["25"] = 0,
+            ["32"] = 0,
+            ["40"] = 0,
+            ["50"] = 0,
+            ["63"] = 0,
         };
+        var rautitanProducts = products.Where(kvp => kvp.Key.ProductLines.Contains("RAUTITAN"));
+
+        foreach (var kvp in rautitanProducts)
+        {
+            var doubleCollection = Regex.Matches(kvp.Key.Name, doublePattern);
+            if (doubleCollection.Count != 0)
+            {
+                CaptureCollection collection = doubleCollection[0].Groups["Sleeve"].Captures;
+                foreach (Capture sleeve in collection)
+                {
+                    result[sleeve.Value] += kvp.Value * 2;
+                }
+                continue;
+            }
+            var singleCollection = Regex.Matches(kvp.Key.Name, singlePattern);
+            if (singleCollection.Count != 0)
+            {
+                CaptureCollection collection = singleCollection[0].Groups["Sleeve"].Captures;
+                foreach (Capture sleeve in collection)
+                {
+                    result[sleeve.Value] += kvp.Value;
+                }
+            }
+        }
+
+        return result
+            .Where(kvp => kvp.Value != 0)
+            .ToDictionary(kvp =>
+        kvp.Key switch
+        {
+            "16" => new Product("11600011001"),
+            "20" => new Product("11600021001"),
+            "25" => new Product("11600031001"),
+            "32" => new Product("11600041001"),
+            "40" => new Product("11600051001"),
+            "50" => new Product("11397711002"),
+            "63" => new Product("11397811002"),
+            _ => throw new Exception($"Неизвестный диаметр {kvp.Key}")
+        }, kvp => kvp.Value);
     }
 }