Sunday, July 28, 2013
I have a Course model which habtm categories. I am trying to have checkboxes to add or delete categories from the new and update courses pages.
Models:
course.rb
# == Schema Information
#
# Table name: courses
#
# id :integer not null, primary key
# course_number :integer
# partner :string(255)
# title :string(255)
# length :integer
# includes_certification :boolean
# overview :text
# price :integer
# created_at :datetime
# updated_at :datetime
# more_link :string(255)
#
class Course < ActiveRecord::Base
self.per_page = 8
has_and_belongs_to_many :course_dates
has_and_belongs_to_many :categories
attr_accessible :course_number, :partner, :title, :length, :includes_certification, :overview, :more_link, :price, :tags, :course_dates_attributes, :categories_attributes
accepts_nested_attributes_for :course_dates, allow_destroy: true
accepts_nested_attributes_for :categories, allow_destroy: true
end
category.rb
# == Schema Information
#
# Table name: categories
#
# id :integer not null, primary key
# name :string(255)
# created_at :datetime
# updated_at :datetime
#
class Category < ActiveRecord::Base
has_and_belongs_to_many :courses
attr_accessible :name
end
My form is being built from this partial:
= simple_form_for(@course) do |f|
= f.error_notification
.form-inputs
= f.input :course_number
= f.input :partner
= f.input :title
= f.input :length
= f.fields_for :course_dates do |builder|
= render 'course_date_fields', f: builder
= link_to_add_fields "Add Date", f, :course_dates
= f.input :includes_certification
= f.input :overview
= f.input :more_link
= hidden_field_tag "course[category_ids][]", nil
- Category.all.each do |category|
= check_box_tag "course[category_ids][]", category.id, @course.category_ids.include?(category.id), id: dom_id(category)
= label_tag dom_id(category), category.name
= f.input :price
.form-actions
= f.button :submit
I tried using simple_form's f.association as: :check_boxes and also the f.collection_check_boxes but both end in the same problem. I can see the checkboxes but when I click update it doesn't save the categories I checked or unchecked.
I have been trying to figure out why, figured it was a problem with mass assignment but I don't know what else I can do with attr_accessible to make it work.
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