db(task): remove pj files for not visible champs

app/tasks/maintenance/remove_piece_justificative_file_not_visible_task.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Maintenance
+  class RemovePieceJustificativeFileNotVisibleTask < MaintenanceTasks::Task
+    attribute :procedure_id, :string
+    validates :procedure_id, presence: true
+
+    def collection
+      procedure = Procedure.with_discarded.find(procedure_id.strip.to_i)
+      procedure.dossiers.state_not_brouillon
+    end
+
+    def process(dossier)
+      dossier.remove_piece_justificative_file_not_visible!
+    end
+  end
+end

spec/tasks/maintenance/remove_piece_justificative_file_not_visible_task_spec.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+module Maintenance
+  RSpec.describe RemovePieceJustificativeFileNotVisibleTask do
+    describe "#process" do
+      subject(:process) { described_class.process(dossier) }
+
+      let(:procedure) { create(:procedure, types_de_champ_public: [{ type: :piece_justificative }]) }
+      let(:dossier) { create(:dossier, :en_construction, :with_populated_champs, procedure:) }
+
+      before { expect(champ).to receive(:visible?).and_return(visible) }
+
+      context 'when piece_justificative' do
+        let(:champ) { dossier.champs_for_revision(scope: :public).find(&:piece_justificative?) }
+
+        context 'when not visible' do
+          let(:visible) { false }
+          it { expect { subject }.to change { champ.reload.piece_justificative_file.attached? } }
+        end
+
+        context 'when visible' do
+          let(:visible) { true }
+          it { expect { subject }.not_to change { champ.reload.piece_justificative_file.attached? } }
+        end
+      end
+    end
+  end
+end