Billing: fix calculation

Elwig/Models/WineAttr.cs

@@ -1,8 +1,9 @@
 using Microsoft.EntityFrameworkCore;
 using System.ComponentModel.DataAnnotations.Schema;
+using IndexAttribute = Microsoft.EntityFrameworkCore.IndexAttribute;
 
 namespace Elwig.Models {
-    [Table("wine_attribute"), PrimaryKey("AttrId")]
+    [Table("wine_attribute"), PrimaryKey("AttrId"), Index("Name", IsUnique = true)]
     public class WineAttr {
         [Column("attrid")]
         public string AttrId { get; set; }
@@ -10,14 +11,18 @@ namespace Elwig.Models {
         [Column("name")]
         public string Name { get; set; }
 
+        [Column("active")]
+        public bool IsActive { get; set; }
+
         [Column("max_kg_per_ha")]
         public int? MaxKgPerHa { get; set; }
 
-        [Column("fill_lower_bins")]
-        public int FillLowerBins { get; set; }
+        [Column("strict")]
+        public bool IsStrict { get; set; }
+
+        [Column("fill_lower")]
+        public int FillLower { get; set; }
 
-        [Column("active")]
-        public bool IsActive { get; set; }
         public override string ToString() {
             return Name;
         }