public long MakeNewBookProposal(string userId, string title, string description, List <Author> authors, List <string> tags, int?datePublished)
{
authors.ForEach(a => a.Id = 0);
//_context.SaveChanges();
HashSet <TagProposal> tagsToAdd = new HashSet <TagProposal>();
tags.ForEach(t =>
{
var newTagProposal = new TagProposal {
Label = t
};
_context.TagProposals.Add(newTagProposal);
tagsToAdd.Add(newTagProposal);
});
var bookProposalToAdd = new BookProposal()
{
Title = title,
Description = description,
Authors = authors,
Proposer = _context.Users.Find(userId),
Tags = tagsToAdd,
DatePublished = datePublished
};
_context.BookProposals.Add(bookProposalToAdd);
_context.SaveChanges();
return(bookProposalToAdd.Id);
}
private void removeProposal(BookProposal proposalToRemove)
{
if (proposalToRemove.Authors != null)
{
_context.Authors.RemoveRange(proposalToRemove.Authors);
}
_context.BookProposals.Remove(proposalToRemove);
if (proposalToRemove.Tags != null)
{
_context.TagProposals.RemoveRange(proposalToRemove.Tags);
}
}
