6254b50de9
This reverts commit 10a1ae5534
.
109 lines
3.6 KiB
Ruby
109 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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class DossierPreloader
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DEFAULT_BATCH_SIZE = 2000
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def initialize(dossiers, includes_for_champ: [], includes_for_etablissement: [])
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@dossiers = dossiers
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@includes_for_etablissement = includes_for_etablissement
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@includes_for_champ = includes_for_champ
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end
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def in_batches(size = DEFAULT_BATCH_SIZE)
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dossiers = @dossiers.to_a
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dossiers.each_slice(size) { |slice| load_dossiers(slice) }
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dossiers
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end
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def in_batches_with_block(size = DEFAULT_BATCH_SIZE, &block)
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@dossiers.in_batches(of: size) do |batch|
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data = Dossier.where(id: batch.ids).includes(:individual, :traitement, :etablissement, user: :france_connect_informations, avis: :expert, commentaires: [:instructeur, :expert])
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dossiers = data.to_a
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load_dossiers(dossiers)
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yield(dossiers)
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end
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end
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def all(pj_template: false)
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dossiers = @dossiers.to_a
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load_dossiers(dossiers, pj_template:)
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dossiers
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end
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def self.load_one(dossier, pj_template: false)
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DossierPreloader.new([dossier]).all(pj_template:).first
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end
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private
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def revisions(pj_template: false)
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@revisions ||= ProcedureRevision.where(id: @dossiers.pluck(:revision_id).uniq)
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.includes(types_de_champ: pj_template ? { piece_justificative_template_attachment: :blob } : [])
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.index_by(&:id)
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end
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def load_dossiers(dossiers, pj_template: false)
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to_include = @includes_for_champ.dup
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to_include << [piece_justificative_file_attachments: :blob]
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all_champs = Champ
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.includes(to_include)
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.where(dossier_id: dossiers)
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.to_a
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champs_by_dossier = all_champs.group_by(&:dossier_id)
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dossiers.each do |dossier|
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load_dossier(dossier, champs_by_dossier[dossier.id] || [], pj_template:)
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end
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load_etablissements(all_champs)
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end
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def load_etablissements(champs)
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to_include = @includes_for_etablissement.dup
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champs_siret = champs.filter(&:siret?)
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etablissements_by_id = Etablissement.includes(to_include).where(id: champs_siret.map(&:etablissement_id).compact).index_by(&:id)
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champs_siret.each do |champ|
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etablissement = etablissements_by_id[champ.etablissement_id]
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champ.association(:etablissement).target = etablissement
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if etablissement
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etablissement.association(:champ).target = champ
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end
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end
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end
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def load_dossier(dossier, champs, pj_template: false)
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revision = revisions(pj_template:)[dossier.revision_id]
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if revision.present?
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dossier.association(:revision).target = revision
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end
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dossier.association(:champs).target = champs
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dossier.association(:champs_public).target = dossier.champs_for_revision(scope: :public, root: true)
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dossier.association(:champs_private).target = dossier.champs_for_revision(scope: :private, root: true)
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# remove once parent_id is deprecated
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champs_by_parent_id = champs.group_by(&:parent_id)
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champs.each do |champ|
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champ.association(:dossier).target = dossier
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# remove once parent_id is deprecated
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if champ.repetition?
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children = champs_by_parent_id.fetch(champ.id, [])
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children.each do |child|
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child.association(:parent).target = champ
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end
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champ.association(:champs).target = children
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end
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end
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# We need to do this because of the check on `Etablissement#champ` in
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# `Etablissement#libelle_for_export`. By assigning `nil` to `target` we mark association
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# as loaded and so the check on `Etablissement#champ` will not trigger n+1 query.
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if dossier.etablissement
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dossier.etablissement.association(:champ).target = nil
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end
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end
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end
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