Update model database schema

Elwig/Models/BillingAddr.cs

@@ -0,0 +1,31 @@
+using Microsoft.EntityFrameworkCore;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Elwig.Models {
+    [Table("member_billing_address"), PrimaryKey("MgNr")]
+    public class BillingAddr {
+        [Column("mgnr")]
+        public int MgNr { get; set; }
+
+        [Column("name")]
+        public string Name { get; set; }
+
+        [Column("country")]
+        public string CountryCode { get; set; }
+
+        [Column("postal_dest")]
+        public string PostalDestId { get; set; }
+
+        [Column("address")]
+        public string Address { get; set; }
+
+        [ForeignKey("MgNr")]
+        public virtual Member Member { get; private set; }
+
+        [ForeignKey("CountryCode")]
+        public virtual Country Country { get; private set; }
+
+        [ForeignKey("CountryCode, PostalDestId")]
+        public virtual PostalDest PostalDest { get; private set; }
+    }
+}