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policies: DRY the scope

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Pierre de La Morinerie 2020-04-01 14:05:54 +00:00
parent ac922c456e
commit c17ceb4440
1 changed files with 6 additions and 4 deletions
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10
app/policies/champ_policy.rb
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@ -5,16 +5,18 @@ class ChampPolicy < ApplicationPolicy
return scope.none
end
# Users can access public champs on their own dossiers.
resolved_scope = scope
# The join must be the same for all elements of the WHERE clause.
joined_scope = scope
.left_outer_joins(dossier: { groupe_instructeur: [:instructeurs] })
# Users can access public champs on their own dossiers.
resolved_scope = joined_scope
.where('dossiers.user_id': user.id, private: false)
if instructeur.present?
# Additionnaly, instructeurs can access private champs
# on dossiers they are allowed to instruct.
instructeur_clause = scope
.left_outer_joins(dossier: { groupe_instructeur: [:instructeurs] })
instructeur_clause = joined_scope
.where('instructeurs.id': instructeur.id, private: true)
resolved_scope = resolved_scope.or(instructeur_clause)
end