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rails many to many relationship same model

Prickly Pony answered on March 10, 2020 Popularity 9/10 Helpfulness 3/10

answer rails many to many relationship same model

related rails many to many relationship same model

rails many to many relationship same model

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class Page < ActiveRecord::Base

  has_many :left_page_associations, :foreign_key => :left_page_id,
           :class_name => 'PageAssociation'
  has_many :left_associations, :through => :left_page_associations,
           :source => :right_page
  has_many :right_page_associations, :foreign_key => :right_page_id,
           :class_name => 'PageAssociation'
  has_many :right_associations, :through => :right_page_associations,
           :source => :left_page

  def associations
    (left_associations + right_associations).flatten.uniq
  end

end

Popularity 9/10 Helpfulness 3/10 Language ruby

Source: cobwwweb.com

Tags: many-to-many model relationship ruby

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Contributed on Mar 10 2020

Prickly Pony

0 Answers Avg Quality 2/10

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rails many to many relationship same model

Comment

class PageAssociation < ActiveRecord::Base

  belongs_to :left_page, :class_name => 'Page'
  belongs_to :right_page, :class_name => 'Page'

end

Popularity 9/10 Helpfulness 1/10 Language ruby

Source: cobwwweb.com

Tags: many-to-many many-to-ma

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Contributed on Mar 10 2020

Prickly Pony

0 Answers Avg Quality 2/10

rails many to many relationship same model

Comment

class Page < ActiveRecord::Base

  has_many :left_page_associations, :foreign_key => :left_page_id,
           :class_name => 'PageAssociation'
  has_many :left_associations, :through => :left_page_associations,
           :source => :right_page
  has_many :right_page_associations, :foreign_key => :right_page_id,
           :class_name => 'PageAssociation'
  has_many :right_associations, :through => :right_page_associations,
           :source => :left_page

end

Popularity 9/10 Helpfulness 1/10 Language ruby

Source: cobwwweb.com

Tags: many-to-many many-to-ma

Link to this answer
Share Copy Link

Contributed on Mar 10 2020

Prickly Pony

0 Answers Avg Quality 2/10

rails many to many relationship same model

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rails many to many relationship same model

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rails many to many relationship same model

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