A star

KentekenShit.Android/KentekenShit.Android.csproj

@@ -54,6 +54,9 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="SkiaSharp.Extended" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Svg" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Views.Forms" Version="1.68.1.1" />
     <PackageReference Include="sqlite-net-pcl" Version="1.6.292" />
     <PackageReference Include="Xamarin.Forms" Version="4.4.0.991477" />
     <PackageReference Include="Xamarin.Android.Support.Core.Utils" Version="28.0.0.3" />

KentekenShit.iOS/KentekenShit.iOS.csproj

@@ -130,6 +130,9 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="SkiaSharp.Extended" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Svg" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Views.Forms" Version="1.68.1.1" />
     <PackageReference Include="sqlite-net-pcl" Version="1.6.292" />
     <PackageReference Include="Xamarin.Forms" Version="4.4.0.991477" />
     <PackageReference Include="Xamarin.Essentials" Version="1.3.1" />

KentekenShit/Icon.cs

@@ -0,0 +1,79 @@
+using System;
+using System.IO;
+using SkiaSharp;
+using SkiaSharp.Views.Forms;
+using Xamarin.Forms;
+using SKSvg = SkiaSharp.Extended.Svg.SKSvg;
+
+namespace KentekenShit
+{
+    public class Icon : Frame
+    {
+        #region Private Members
+
+        private readonly SKCanvasView _canvasView = new SKCanvasView();
+
+        #endregion
+
+        #region Bindable Properties
+
+        #region ResourceId
+
+        public static readonly BindableProperty ResourceIdProperty = BindableProperty.Create(
+            nameof(ResourceId), typeof(string), typeof(Icon), default(string), propertyChanged: RedrawCanvas);
+
+        public string ResourceId
+        {
+            get => (string)GetValue(ResourceIdProperty);
+            set => SetValue(ResourceIdProperty, value);
+        }
+
+        #endregion
+
+        #endregion
+
+        public Icon()
+        {
+            Padding = new Thickness(0);
+            BackgroundColor = Color.Transparent;
+            HasShadow = false;
+            Content = _canvasView;
+            _canvasView.PaintSurface += CanvasViewOnPaintSurface;
+        }
+
+        private static void RedrawCanvas(BindableObject bindable, object oldvalue, object newvalue)
+        {
+            Icon svgIcon = bindable as Icon;
+            svgIcon?._canvasView.InvalidateSurface();
+        }
+
+        private void CanvasViewOnPaintSurface(object sender, SKPaintSurfaceEventArgs args)
+        {
+            SKCanvas canvas = args.Surface.Canvas;
+            canvas.Clear();
+
+            if (string.IsNullOrEmpty(ResourceId))
+                return;
+
+            using (Stream stream = GetType().Assembly.GetManifestResourceStream(ResourceId))
+            {
+                SKSvg svg = new SKSvg();
+                svg.Load(stream);
+
+                SKImageInfo info = args.Info;
+                canvas.Translate(info.Width / 2f, info.Height / 2f);
+
+                SKRect bounds = svg.ViewBox;
+                float xRatio = info.Width / bounds.Width;
+                float yRatio = info.Height / bounds.Height;
+
+                float ratio = Math.Min(xRatio, yRatio);
+
+                canvas.Scale(ratio);
+                canvas.Translate(-bounds.MidX, -bounds.MidY);
+
+                canvas.DrawPicture(svg.Picture);
+            }
+        }
+    }
+}

KentekenShit/KentekenShit.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="SkiaSharp.Extended" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Svg" Version="1.60.0" />
+    <PackageReference Include="SkiaSharp.Views.Forms" Version="1.68.1.1" />
     <PackageReference Include="sqlite-net-pcl" Version="1.6.292" />
     <PackageReference Include="Xamarin.Forms" Version="4.4.0.991477" />  
     <PackageReference Include="Xamarin.Essentials" Version="1.3.1" />
@@ -16,5 +19,7 @@
     <EmbeddedResource Update="Views\DetailsPage.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+	<EmbeddedResource Include="Assets\star-regular.svg" />
+	<EmbeddedResource Include="Assets\star-solid.svg" />
   </ItemGroup>
 </Project>

KentekenShit/Models/Item.cs

@@ -1,11 +1,24 @@
-using System;
+using SQLite;
+using System;
 
 namespace KentekenShit.Models
 {
     public class Item
     {
+        [PrimaryKey, AutoIncrement]
         public string Id { get; set; }
         public string Text { get; set; }
         public string Description { get; set; }
+
+        public string Plate { get; set; }
+        public string Make { get; set; }
+        public string Seets { get; set; }
+        public string Cylinders { get; set; }
+        public string Doors { get; set; }
+        public string Wheels { get; set; }
+        public string Price { get; set; }
+        public string TaxiSign { get; set; }
+
+        public bool InFavoirites { get; set; }
     }
 }

KentekenShit/Services/IDataStore.cs

@@ -10,6 +10,6 @@ public interface IDataStore<T>
         Task<bool> UpdateItemAsync(T item);
         Task<bool> DeleteItemAsync(string id);
         Task<T> GetItemAsync(string id);
-        Task<IEnumerable<T>> GetItemsAsync(bool forceRefresh = false);
+        Task<List<T>> GetItemsAsync(bool forceRefresh = false);
     }
 }

KentekenShit/Services/MockDataStore.cs

@@ -14,12 +14,17 @@ public MockDataStore()
         {
             items = new List<Item>()
             {
-                new Item { Id = Guid.NewGuid().ToString(), Text = "First item", Description="This is an item description." },
-                new Item { Id = Guid.NewGuid().ToString(), Text = "Second item", Description="This is an item description." },
-                new Item { Id = Guid.NewGuid().ToString(), Text = "Third item", Description="This is an item description." },
-                new Item { Id = Guid.NewGuid().ToString(), Text = "Fourth item", Description="This is an item description." },
-                new Item { Id = Guid.NewGuid().ToString(), Text = "Fifth item", Description="This is an item description." },
-                new Item { Id = Guid.NewGuid().ToString(), Text = "Sixth item", Description="This is an item description." }
+                new Item {
+                    Id = Guid.NewGuid().ToString(),
+                    Plate="48XRFF",
+                    Make="Toyota",
+                    Seets="5",
+                    Cylinders="4",
+                    Doors="4",
+                    Wheels="4",
+                    Price="5",
+                    TaxiSign="No",
+                },
             };
         }
 
@@ -52,7 +57,7 @@ public async Task<Item> GetItemAsync(string id)
             return await Task.FromResult(items.FirstOrDefault(s => s.Id == id));
         }
 
-        public async Task<IEnumerable<Item>> GetItemsAsync(bool forceRefresh = false)
+        public async Task<List<Item>> GetItemsAsync(bool forceRefresh = false)
         {
             return await Task.FromResult(items);
         }

KentekenShit/Services/SQLiteDataStore.cs

@@ -3,39 +3,53 @@
 using System.IO;
 using System.Threading.Tasks;
 using KentekenShit.Models;
+using SQLite;
 
 namespace KentekenShit.Services
 {
     public class SQLiteDataStore : IDataStore<Item>
     {
+        readonly SQLiteAsyncConnection _database;
+
         public SQLiteDataStore()
         {
             var dbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "database.db");
+
+            _database = new SQLiteAsyncConnection(dbPath);
+            _database.CreateTableAsync<Item>().Wait();
         }
 
         public Task<bool> AddItemAsync(Item item)
         {
-            throw new System.NotImplementedException();
+            return Task.Run(() => {
+                return _database.InsertAsync(item).Result > 0 ? true : false;
+            });
         }
 
         public Task<bool> UpdateItemAsync(Item item)
         {
-            throw new System.NotImplementedException();
+            return Task.Run(() => {
+                return _database.UpdateAsync(item).Result > 0 ? true : false;
+            });
         }
 
         public Task<bool> DeleteItemAsync(string id)
         {
-            throw new System.NotImplementedException();
+            return _database.Table<Item>()
+                .DeleteAsync((i) => i.Id == id)
+                .ContinueWith((a) => a.Result > 0 ? true : false);
         }
 
         public Task<Item> GetItemAsync(string id)
         {
-            throw new System.NotImplementedException();
+            return _database.Table<Item>()
+                            .Where(i => i.Id == id)
+                            .FirstOrDefaultAsync();
         }
 
-        public Task<IEnumerable<Item>> GetItemsAsync(bool forceRefresh = false)
+        public Task<List<Item>> GetItemsAsync(bool forceRefresh = false)
         {
-            throw new System.NotImplementedException();
+            return _database.Table<Item>().ToListAsync();
         }
     }
 }

KentekenShit/ViewModels/HistoryViewModel.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.Threading.Tasks;
+
+using Xamarin.Forms;
+
+using KentekenShit.Models;
+using KentekenShit.Views;
+
+namespace KentekenShit.ViewModels
+{
+    public class HistoryViewModel : BaseViewModel
+    {
+        public ObservableCollection<Item> Items { get; set; }
+        public Command LoadItemsCommand { get; set; }
+
+        public HistoryViewModel()
+        {
+            Title = "History";
+            Items = new ObservableCollection<Item>();
+            LoadItemsCommand = new Command(async () => await ExecuteLoadItemsCommand());
+
+            MessagingCenter.Subscribe<NewItemPage, Item>(this, "AddItem", async (obj, item) =>
+            {
+                var newItem = item as Item;
+                Items.Add(newItem);
+                await DataStore.AddItemAsync(newItem);
+            });
+        }
+
+        async Task ExecuteLoadItemsCommand()
+        {
+            if (IsBusy)
+                return;
+
+            IsBusy = true;
+
+            try
+            {
+                Items.Clear();
+                var items = await DataStore.GetItemsAsync(true);
+                foreach (var item in items)
+                {
+                    Items.Add(item);
+                }
+            }
+            catch (Exception ex)
+            {
+                Debug.WriteLine(ex);
+            }
+            finally
+            {
+                IsBusy = false;
+            }
+        }
+    }
+}

KentekenShit/ViewModels/ItemDetailViewModel.cs

@@ -1,6 +1,7 @@
 using System;
 
 using KentekenShit.Models;
+using Xamarin.Forms;
 
 namespace KentekenShit.ViewModels
 {
@@ -9,8 +10,11 @@ public class ItemDetailViewModel : BaseViewModel
         public Item Item { get; set; }
         public ItemDetailViewModel(Item item = null)
         {
-            Title = item?.Text;
+            Title = "Licnce plate " + item?.Plate;
             Item = item;
         }
+
+        public string FavText => Item?.InFavoirites ?? false ? "Remove from favorites" : "Add to favorites";
+        public Color BtnColor => Item?.InFavoirites ?? false ? Color.Gold : Color.LightGray;
     }
 }