Initial commit: Lagerbestand Blazor Projekt

Lagerbestand/Models/Customer.cs

@@ -0,0 +1,86 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Lagerbestand.Models;
+
+/// <summary>
+/// Represents a customer who stores tires at the shop.
+/// A customer can have multiple vehicles.
+/// </summary>
+public class Customer
+{
+    [Key]
+    public Guid Id { get; set; } = Guid.NewGuid();
+
+    [MaxLength(100)]
+    public string? FirstName { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string LastName { get; set; } = string.Empty;
+
+    [MaxLength(200)]
+    public string? Company { get; set; }
+
+    [MaxLength(20)]
+    public string? Phone { get; set; }
+
+    [MaxLength(100)]
+    public string? Email { get; set; }
+
+    [MaxLength(500)]
+    public string? Notes { get; set; }
+
+    /// <summary>
+    /// Customer number for easy identification (e.g., K-0001)
+    /// </summary>
+    [MaxLength(20)]
+    public string CustomerNumber { get; set; } = string.Empty;
+
+    public bool IsActive { get; set; } = true;
+
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    public DateTime? UpdatedAt { get; set; }
+
+    /// <summary>
+    /// Navigation property for customer's vehicles
+    /// </summary>
+    public ICollection<Vehicle> Vehicles { get; set; } = new List<Vehicle>();
+
+    /// <summary>
+    /// Navigation property for customer's stored tire stacks
+    /// </summary>
+    public ICollection<TireStack> TireStacks { get; set; } = new List<TireStack>();
+
+    /// <summary>
+    /// Full name of the customer
+    /// </summary>
+    [NotMapped]
+    public string FullName => $"{FirstName} {LastName}".Trim();
+
+    /// <summary>
+    /// Display name including company if available
+    /// </summary>
+    [NotMapped]
+    public string DisplayName => string.IsNullOrEmpty(Company) 
+        ? FullName 
+        : $"{FullName} ({Company})";
+
+    /// <summary>
+    /// Gets the primary vehicle or the first vehicle if no primary is set
+    /// </summary>
+    [NotMapped]
+    public Vehicle? PrimaryVehicle => Vehicles
+        .Where(v => v.IsActive)
+        .OrderByDescending(v => v.IsPrimary)
+        .ThenBy(v => v.CreatedAt)
+        .FirstOrDefault();
+
+    /// <summary>
+    /// Gets all active vehicles for this customer
+    /// </summary>
+    [NotMapped]
+    public IEnumerable<Vehicle> ActiveVehicles => Vehicles.Where(v => v.IsActive);
+
+    }