public async Task <ContentStorageItem> Save(string id, string category, IContent content,
CancellationToken cancellationToken)
{
var dbItem = await FindWithoutContent(id, category, cancellationToken);
if (dbItem == null)
{
dbItem = new ContentStorageDbItem
{
Id = id,
Category = category
};
context.Items.Add(dbItem);
}
else
{
try
{
context.Items.Update(dbItem);
}
catch (InvalidOperationException)
{
dbItem = context.Items.Find(id, category);
context.Items.Update(dbItem);
}
}
dbItem.Timestamp = DateTimeOffset.UtcNow;
dbItem.Content = await content.ReadAsByteArray(cancellationToken);
dbItem.Size = content.Size;
await context.SaveChangesAsync(cancellationToken);
return(new ContentStorageItem(id, category, content, dbItem.Timestamp));
}
public ContentStorageItemContent(ContentStorageDbItem dbItem, IServiceScopeFactory serviceScopeFactory)
{
this.dbItem = dbItem ?? throw new ArgumentNullException(nameof(dbItem));
this.serviceScopeFactory = serviceScopeFactory ?? throw new ArgumentNullException(nameof(serviceScopeFactory));
}
private ContentStorageItemContent GetItemContent(ContentStorageDbItem dbItem) => new ContentStorageItemContent(dbItem, serviceScopeFactory);