Image storage to the db WIP

Wallet.Data/BlobEntry.cs

@@ -11,7 +11,7 @@ public record BlobEntry
     public int Type { get; set; }
 
     [Key]
-    public int Id { get; set; }
+    public Guid Id { get; set; }
 
     public DateTime DateTime { get; set; }
 }

Wallet.Data/ItemEntry.cs

@@ -15,6 +15,8 @@ public record ItemEntry
 
     public int State { get; set; } = 0;
 
+    public BlobEntry? Image { get; set; }
+
     public required string Category { get; set; }
 
     public ICollection<TagEntry> Tags { get; set; } = new List<TagEntry>();

Wallet.Data/LockerContext.cs

@@ -13,6 +13,14 @@ public class WalletContext(DbContextOptions<WalletContext> options) :
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
+        modelBuilder.Entity<ItemEntry>()
+            .HasKey(x => x.Id);
+
+        modelBuilder.Entity<ItemEntry>()
+            .Property(x => x.Id)
+            .ValueGeneratedOnAdd()
+            .HasDefaultValueSql("NEWID()");
+
         modelBuilder.Entity<ItemEntry>()
             .HasMany(x => x.Tags)
             .WithOne()
@@ -22,5 +30,19 @@ public class WalletContext(DbContextOptions<WalletContext> options) :
             .HasMany(x => x.Blobs)
             .WithOne()
             .OnDelete(DeleteBehavior.Cascade);
+
+        modelBuilder.Entity<ItemEntry>()
+            .HasOne(x => x.Image)
+            .WithOne()
+            .HasForeignKey<ItemEntry>()
+            .IsRequired(false);
+
+        modelBuilder.Entity<BlobEntry>()
+            .HasKey(x => x.Id);
+
+        modelBuilder.Entity<BlobEntry>()
+            .Property(x => x.Id)
+            .ValueGeneratedOnAdd()
+            .HasDefaultValueSql("NEWID()");
     }
 }

Wallet.Data/TagEntry.cs

@@ -7,7 +7,7 @@ namespace Wallet.Data;
 public class TagEntry
 {
     [Key]
-    public int Id { get; set; }
+    public Guid Id { get; set; }
 
     public string? Name { get; set; }
 }

Wallet/ConfirmCreateItemHandler.cs

@@ -22,9 +22,9 @@ public class ConfirmCreateItemHandler(IMediator mediator,
                 Item<(Guid, string, string, IImageDescriptor?)> item = new((id, name, category, imageDescriptor));
                 publisher.Publish(Created.As(item));
 
-                await mediator.Handle<CreateEventArgs<(Guid, string, string,
-                    ItemConfiguration)>, bool>(new CreateEventArgs<(Guid, string, string, 
-                    ItemConfiguration)>((id, name, category, itemConfiguration)));
+                await mediator.Handle<CreateEventArgs<(Guid, string, string, IImageDescriptor?,
+                    ItemConfiguration)>, bool>(new CreateEventArgs<(Guid, string, string, IImageDescriptor?, 
+                    ItemConfiguration)>((id, name, category, imageDescriptor, itemConfiguration)));
 
                 publisher.Publish(Changed.As<Item>());
             }

Wallet/CreateItemHandler.cs

@@ -7,33 +7,54 @@ using Toolkit.Foundation;
 
 namespace Wallet;
 
-public class CreateItemHandler(IDbContextFactory<WalletContext> dbContextFactory) :
-    IHandler<CreateEventArgs<(Guid, string, string, ItemConfiguration)>, bool>
+public class CreateItemHandler(IImageWriter imageWriter,
+    IDbContextFactory<WalletContext> dbContextFactory) :
+    IHandler<CreateEventArgs<(Guid, string, string, IImageDescriptor?, ItemConfiguration)>, bool>
 {
-    public async Task<bool> Handle(CreateEventArgs<(Guid, string, string, ItemConfiguration)> args,
+    public async Task<bool> Handle(CreateEventArgs<(Guid, string, string, IImageDescriptor?, ItemConfiguration)> args,
         CancellationToken cancellationToken)
     {
-        if (args.Sender is (Guid id, string name, string category, ItemConfiguration configuration))
+        if (args.Sender is (Guid id, string name, string category, IImageDescriptor imageDescriptor, ItemConfiguration configuration))
         {
             try
             {
                 string content = JsonSerializer.Serialize(configuration);
+                byte[]? thumbData = null;
+
+                if (imageDescriptor is not null)
+                {
+                    using MemoryStream memoryStream = new MemoryStream();
+                    imageWriter.Write(imageDescriptor, memoryStream);
+                    thumbData = memoryStream.ToArray();
+                }
+
                 ItemEntry itemEntry = new()
                 {
                     Id = id,
                     Name = name,
-                    Category = category
+                    Category = category,
+                    Image = thumbData != null ? new BlobEntry
+                    {
+                        Id = Guid.NewGuid(),
+                        Data = thumbData,
+                        DateTime = DateTime.UtcNow,
+                        Type = 1
+                    } : null,
+                    Blobs =
+                    { 
+                        new BlobEntry
+                        {
+                            Id = Guid.NewGuid(),
+                            Data = Encoding.UTF8.GetBytes(content),
+                            DateTime = DateTime.UtcNow,
+                            Type = 0
+                        }
+                    }
                 };
 
-                itemEntry.Blobs.Add(new()
-                {
-                    Data = Encoding.UTF8.GetBytes(content),
-                    DateTime = DateTime.Now,
-                    Type = 0,
-                });
-
                 using WalletContext context = await dbContextFactory.CreateDbContextAsync(cancellationToken);
                 EntityEntry<ItemEntry>? result = await context.AddAsync(itemEntry, cancellationToken);
+
                 await context.SaveChangesAsync(cancellationToken);
 
                 if (result is not null)