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Added ability to modify image of existing items

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This commit is contained in:
TheXamlGuy
2024-07-03 19:23:15 +01:00
parent d36a66b2fe
commit a7785edb02
10 changed files with 114 additions and 55 deletions
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Wallet/UpdateItemHander.cs
+46 -6
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@@ -6,20 +6,22 @@ using Toolkit.Foundation;
namespace Wallet;
public class UpdateItemHander(IDbContextFactory<WalletContext> dbContextFactory) :
IHandler<UpdateEventArgs<Item<(Guid, string, ItemConfiguration)>>, bool>
public class UpdateItemHander(IDbContextFactory<WalletContext> dbContextFactory,
IImageWriter imageWriter) :
IHandler<UpdateEventArgs<Item<(Guid, string, string, IImageDescriptor?, ItemConfiguration)>>, bool>
{
public async Task<bool> Handle(UpdateEventArgs<Item<(Guid, string, ItemConfiguration)>> args,
public async Task<bool> Handle(UpdateEventArgs<Item<(Guid, string, string, IImageDescriptor?, ItemConfiguration)>> args,
CancellationToken cancellationToken)
{
if (args.Sender is Item<(Guid, string, ItemConfiguration)> item)
if (args.Sender is Item<(Guid, string, string, IImageDescriptor?, ItemConfiguration)> item)
{
(Guid id, string name, ItemConfiguration configuration) = item.Value;
(Guid id, string name, string category, IImageDescriptor? imageDescriptor, ItemConfiguration configuration) = item.Value;
try
{
using WalletContext context = await dbContextFactory.CreateDbContextAsync(cancellationToken);
ItemEntry? result = result = await context.Set<ItemEntry>().FindAsync([id], cancellationToken);
ItemEntry? result = result = await context.Set<ItemEntry>()
.Include(x => x.Image).FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
if (result is not null)
{
@@ -31,7 +33,45 @@ public class UpdateItemHander(IDbContextFactory<WalletContext> dbContextFactory)
Type = 0,
});
if (imageDescriptor is not null)
{
byte[]? thumbData = null;
using MemoryStream memoryStream = new();
imageWriter.Write(imageDescriptor, memoryStream);
thumbData = memoryStream.ToArray();
if (result.Image is BlobEntry existingImageBlob)
{
existingImageBlob.Data = thumbData;
existingImageBlob.DateTime = DateTime.UtcNow;
context.Entry(result.Image).State = EntityState.Modified;
}
else
{
result.Image = new BlobEntry
{
Id = Guid.NewGuid(),
Data = thumbData,
DateTime = DateTime.UtcNow,
Type = 1
};
context.Entry(result.Image).State = EntityState.Added;
}
}
else
{
if (result.Image is not null)
{
context.Remove(result.Image);
result.Image = null;
}
}
result.Name = name;
result.Category = category;
await context.SaveChangesAsync(cancellationToken);
}