Displaying 1 result from an estimated 1 matches for "students_assignment".
2008 Apr 11
2
Validating an ActiveRecord object and its has_many :through associations
Considering an object with several has_many :through => associations,
what is the ''best'' way to handle validations?
As an example:
class Student < ActiveRecord::Base
# some attrbutes like
# :name
# :grade
# relationships
has_many :students_assignment, :dependent => :destroy
has_many :assignments, :through => :students_assignment
has_many :students_class, :dependent => :destroy
has_many :classes, :through => :students_class
has_many :students_extracurricular_activity, :dependent => :destroy
has_many :extracurricular_ac...