require "sequel"
class Sequel::Model::Associations::AssociationReflection
def associated_class
cached_fetch(:class) do
begin
if self[:class].is_a? Class
self[:class]
else
constantize(self[:class_name])
end
rescue NameError => e
raise NameError, "#{e.message} (this happened when attempting to
find the associated class for #{inspect})", e.backtrace
end
end
end
end
def db_scope(db)
unless db.table_exists?(:authors)
db.create_table :authors do
primary_key :id
end
end
unless db.table_exists?(:books)
db.create_table :books do
primary_key :id
end
end
unless db.table_exists?(:authors_books)
db.create_table :authors_books do
primary_key :id
foreign_key :author_id, :authors
foreign_key :book_id, :books
end
end
author = Class.new Sequel::Model(db[:authors]) do
def self.name; "author"; end
end
book = Class.new Sequel::Model(db[:books]) do
def self.name; "book"; end
end
author.many_to_many :books, :class => book
book.many_to_many :authors, :class => author
puts author.create.books
end
db_scope Sequel.connect("postgres://user@localhost")
it works fine. But it is just a dirty workaround. I think we can implement
some option like ":associated_class" that will be used instead of
":class_name" constantization. For example:
author.many_to_many :books, :associated_class => book
book.many_to_many :authors, :associated_class => author
What do you think about it? Thank you.
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