switch to sqlite

Billing.Shared/Models/Category.cs

@@ -1,50 +1,19 @@
-using Xamarin.Forms;
-using System.Xml.Linq;
+using SQLite;
 
 namespace Billing.Models
 {
-    public class Category : BaseModel
+    public class Category : IIdItem
     {
+        private const string ICON_DEFAULT = "ic_default";
+        private const long TRANSPARENT_COLOR = 0x00ffffffL;
+
+        [PrimaryKey, AutoIncrement]
         public int Id { get; set; }
         public CategoryType Type { get; set; }
         public string Icon { get; set; } = ICON_DEFAULT;
         public string Name { get; set; }
-        public Color TintColor { get; set; } = Color.Transparent;
+        public long TintColor { get; set; } = TRANSPARENT_COLOR;
         public int? ParentId { get; set; }
-
-        public override void OnXmlDeserialize(XElement node)
-        {
-            Id = Read(node, nameof(Id), 0);
-            Type = (CategoryType)Read(node, nameof(Type), 0);
-            Icon = Read(node, nameof(Icon), ICON_DEFAULT);
-            Name = Read(node, nameof(Name), string.Empty);
-            var color = Read(node, nameof(TintColor), string.Empty);
-            if (!string.IsNullOrEmpty(color))
-            {
-                TintColor = Color.FromHex(color);
-            }
-            var parentId = Read(node, nameof(ParentId), -1);
-            if (parentId >= 0)
-            {
-                ParentId = parentId;
-            }
-        }
-
-        public override void OnXmlSerialize(XElement node)
-        {
-            Write(node, nameof(Id), Id);
-            Write(node, nameof(Type), (int)Type);
-            Write(node, nameof(Icon), Icon);
-            Write(node, nameof(Name), Name);
-            if (TintColor != Color.Transparent)
-            {
-                Write(node, nameof(TintColor), TintColor.ToHex());
-            }
-            if (ParentId != null)
-            {
-                Write(node, nameof(ParentId), ParentId.Value);
-            }
-        }
     }
 
     public enum CategoryType