DGNum/demarches-normaliennes
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Avoid loading the association for the without_followers scope

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As seen in https://stackoverflow.com/questions/5319400/want-to-find-records-with-no-associated-records-in-rails-3
This commit is contained in:
gregoirenovel 2017-10-10 18:35:00 +02:00
parent 0ca4d61803
commit 9ea396cc8b
2 changed files with 8 additions and 1 deletions
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2
app/models/dossier.rb
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@ -60,7 +60,7 @@ class Dossier < ActiveRecord::Base
scope :termine, -> { not_archived.state_termine }
scope :downloadable, -> { state_not_brouillon.includes(:entreprise, :etablissement, :champs, :champs_private) }
scope :en_cours, -> { not_archived.state_en_construction_ou_instruction }
scope :without_followers, -> { includes(:follows).where(follows: { id: nil }) }
scope :without_followers, -> { left_outer_joins(:follows).where(follows: { id: nil }) }
scope :with_unread_notifications, -> { where(notifications: { already_read: false }) }
accepts_nested_attributes_for :individual

7
spec/models/dossier_spec.rb
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@ -3,6 +3,13 @@ require 'spec_helper'
describe Dossier do
let(:user) { create(:user) }
describe "without_followers scope" do
let!(:dossier) { create(:dossier, :followed, :with_entreprise, user: user) }
let!(:dossier2) { create(:dossier, :with_entreprise, user: user) }
it { expect(Dossier.without_followers.to_a).to eq([dossier2]) }
end
describe 'methods' do
let(:dossier) { create(:dossier, :with_entreprise, user: user) }