Initial commit: Lagerbestand Blazor Projekt

Lagerbestand/Models/AreaType.cs

@@ -0,0 +1,88 @@
+namespace Lagerbestand.Models;
+
+/// <summary>
+/// Represents the storage area type for tire storage locations.
+/// The value corresponds to position A in the location code (ABCD format).
+/// </summary>
+public enum AreaType
+{
+    /// <summary>
+    /// Werkstatt (Gebäude 1, 3 Regalreihen) - Code prefix: 1
+    /// </summary>
+    Werkstatt = 1,
+
+    /// <summary>
+    /// Lager (Gebäude 2, 5 Regalreihen) - Code prefix: 2
+    /// </summary>
+    Lager = 2
+}
+
+/// <summary>
+/// Extension methods for AreaType enum.
+/// </summary>
+public static class AreaTypeExtensions
+{
+    /// <summary>
+    /// Gets the German display name for the area type.
+    /// </summary>
+    public static string GetDisplayName(this AreaType areaType) => areaType switch
+    {
+        AreaType.Lager => "Lager",
+        AreaType.Werkstatt => "Werkstatt",
+        _ => areaType.ToString()
+    };
+
+    /// <summary>
+    /// Gets the single-digit code for the area type.
+    /// </summary>
+    public static string GetCode(this AreaType areaType) => ((int)areaType).ToString();
+
+    /// <summary>
+    /// Gets the maximum shelf row number for the building.
+    /// Werkstatt (Gebäude 1) has 3 rows, Lager (Gebäude 2) has 5 rows.
+    /// </summary>
+    public static int GetMaxRow(this AreaType areaType) => areaType switch
+    {
+        AreaType.Werkstatt => 3,
+        AreaType.Lager => 5,
+        _ => 1
+    };
+
+    /// <summary>
+    /// Gets a display label including the building number (e.g., "Gebäude 1 – Werkstatt").
+    /// </summary>
+    public static string GetBuildingLabel(this AreaType areaType) =>
+        $"Gebäude {(int)areaType} – {areaType.GetDisplayName()}";
+
+    /// <summary>
+    /// Parses a code digit to AreaType.
+    /// </summary>
+    /// <param name="code">Single digit code (1 or 2)</param>
+    /// <returns>The corresponding AreaType</returns>
+    /// <exception cref="ArgumentException">If code is not valid</exception>
+    public static AreaType FromCode(char code) => code switch
+    {
+        '1' => AreaType.Werkstatt,
+        '2' => AreaType.Lager,
+        _ => throw new ArgumentException($"Ungültiger Bereichscode: {code}. Erlaubt: 1 (Werkstatt), 2 (Lager)", nameof(code))
+    };
+
+    /// <summary>
+    /// Tries to parse a code digit to AreaType.
+    /// </summary>
+    public static bool TryFromCode(char code, out AreaType areaType)
+    {
+        areaType = default;
+        if (code == '1')
+        {
+            areaType = AreaType.Werkstatt;
+            return true;
+        }
+        if (code == '2')
+        {
+            areaType = AreaType.Lager;
+            return true;
+        }
+        return false;
+    }
+}