1 files changed, 65 insertions, 0 deletions
diff --git a/RhSolutions.SkuParser.Api/Models/Product.cs b/RhSolutions.SkuParser.Api/Models/Product.cs
new file mode 100644
index 0000000..fd9ea45
--- /dev/null
+++ b/RhSolutions.SkuParser.Api/Models/Product.cs
@@ -0,0 +1,65 @@
+using System.Text.RegularExpressions;
+
+namespace RhSolutions.SkuParser.Models;
+
+public record Product
+{
+	/// <summary>
+	/// Артикул РЕХАУ в заданном формате
+	/// </summary>
+	public required string Sku
+	{
+		get => _sku;
+		set
+		{
+			_sku = IsValudSku(value)
+				? value
+				: throw new ArgumentException("$Неверный артикул: {value}");
+		}
+	}
+	private string _sku = string.Empty;
+	private const string _parsePattern = @"(?<Lead>[1\s]|^|\b)(?<Article>\d{6})(?<Delimiter>[\s13-])(?<Variant>\d{3})(\b|$)";
+	private const string _validnessPattern = @"^1\d{6}[1|3]\d{3}$";
+
+	private static bool IsValudSku(string value)
+	{
+		return Regex.IsMatch(value.Trim(), _validnessPattern);
+	}
+	private static string GetSku(Match match)
+	{
+		string lead = match.Groups["Lead"].Value;
+		string article = match.Groups["Article"].Value;
+		string delimiter = match.Groups["Delimiter"].Value;
+		string variant = match.Groups["Variant"].Value;
+
+		if (lead != "1" && delimiter == "-")
+		{
+			return $"1{article}1{variant}";
+		}
+		else
+		{
+			return $"{lead}{article}{delimiter}{variant}";
+		}
+	}
+
+	/// <summary>
+	/// Проверка строки на наличие в ней артикула РЕХАУ
+	/// </summary>
+	/// <param name="value">Входная строка для проверки</param>
+	/// <param name="product">Артикул, если найден. null - если нет</param>
+	/// <returns>Если артикул в строке есть возвращает true, Если нет - false</returns>
+	public static bool TryParse(string value, out Product? product)
+	{
+		product = null;
+		MatchCollection matches = Regex.Matches(value, _parsePattern);
+		if (matches.Count == 0)
+		{
+			return false;
+		}
+		string sku = GetSku(matches.First());
+		product = new Product() { Sku = sku };
+		return true;
+	}
+	public override int GetHashCode() => Sku.GetHashCode();
+	public override string ToString() => Sku;
+}
+\ No newline at end of file