private Book UpdateBookCategories(Book oldBook, List <Guid> newCategoryIds, ref bool isSaved)
{
var oldBookCategories = _bookCategoryService.Where(x => x.BookId == oldBook.Id).ToList();
// create new book - category ids
var newIdsAdded = newCategoryIds.Where(id => oldBookCategories.All(bc => bc.CategoryId != id)).ToList();
if (newIdsAdded.Any())
{
_bookCategoryService.CreateMany(
newIdsAdded.Select(id => new BookCategory {
CategoryId = id, BookId = oldBook.Id
}), out isSaved
);
}
// delete old book - category ids
var oldIdsRemoved = oldBookCategories.Where(bc => !newCategoryIds.Contains(bc.CategoryId)).ToList();
if (oldIdsRemoved.Any())
{
_bookCategoryService.Delete(oldIdsRemoved, out isSaved);
}
return(oldBook);
}
public ActionResult <bool> Delete([FromBody] JObject obj)
{
var categoryId = obj["categoryId"].ToObject <string>();
_bookCategoryService.Delete(categoryId);
return(new ActionResult <bool>(true));
}
public IActionResult Delete(int id)
{
if (id == 0)
{
return(new BadRequestResult());
}
else
{
_bookCategoryService.Delete(id);
_bookCategoryService.Save();
return(new OkObjectResult(id));
}
}
public async Task <ActionResult <ApiResponse> > Delete(int id)
{
return(new ApiResponse($"The record with {id} was deleted", await bookCategoryService.Delete(id)));
}
