Update model database schema

Elwig/Models/AreaCom.cs

@@ -0,0 +1,39 @@
+using Microsoft.EntityFrameworkCore;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+
+namespace Elwig.Models {
+    [Table("area_commitment"), PrimaryKey("VNr")]
+    public class AreaCom {
+        [Column("vnr")]
+        public int VNr { get; set; }
+
+        [Column("area")]
+        public int Area { get; set; }
+
+        [Column("sortid")]
+        public string SortId { get; set; }
+
+        [Column("cultid")]
+        public string CultId { get; set; }
+
+        [ForeignKey("VNr")]
+        public virtual Contract Contract { get; private set; }
+
+        [ForeignKey("SortId")]
+        public virtual WineVar WineVar { get; private set; }
+
+        [ForeignKey("CultId")]
+        public virtual WineCult WineCult { get; private set; }
+
+        [InverseProperty("AreaCom")]
+        public virtual ISet<AreaComParcel> Parcels { get; private set; }
+
+        [InverseProperty("AreaCom")]
+        public virtual ISet<AreaComAttr> AttributeEntries { get; private set; }
+
+        [NotMapped]
+        public IEnumerable<WineAttr> Attributes => AttributeEntries.Select(e => e.WineAttr);
+    }
+}