/// <summary>
/// Updates tags and dish-tag links
/// </summary>
/// <param name="dishTagNames">List of tag names for dish</param>
/// <param name="dish">Dish</param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
private async Task UpdateTagLinks(HashSet <TagToAdd> dishTagNames, DishDB dish, CancellationToken cancellationToken = default)
{
foreach (var item in dishTagNames)
{
TagDB tag = await _context.Tags.IgnoreQueryFilters().Where(_ => _.TagName == item.TagName).Select(_ => _).FirstOrDefaultAsync(cancellationToken);
if (tag is null)
{
var tagAfter = await _tagService.AddTagDBAsync(item);
dish.DishTags.Add(new DishTagDB {
TagId = tagAfter.Data.Id, DishId = dish.Id
});
}
else if (_context.Entry(tag).Property <bool>("IsDeleted").CurrentValue)
{
_context.Entry(tag).Property <bool>("IsDeleted").CurrentValue = false;
dish.DishTags.Add(new DishTagDB {
TagId = tag.Id, DishId = dish.Id
});
}
else
{
dish.DishTags.Add(new DishTagDB {
TagId = tag.Id, DishId = dish.Id
});
}
}
}