public async Task <int?> Update(int id, Category data, string identity)
{
if (identity == null)
{
return(null);
}
Models.Category raw = await context.Categories.FindAsync(id);
if (raw == null || raw.UserId != identity)
{
return(null);
}
Models.Category value = Models.Category.FromModel(data);
raw.Name = value.Name;
raw.Color = value.Color;
raw.Status = value.Status;
context.Categories.Update(raw);
await context.SaveChangesAsync();
return(raw.Id);
}