module Tasks class DossierProcedureMigrator # Migrates dossiers from an old source procedure to a revised destination procedure. class ChampMapping def initialize(source_procedure, destination_procedure, is_private) @source_procedure = source_procedure @destination_procedure = destination_procedure @is_private = is_private @expected_source_types_de_champ = {} @expected_destination_types_de_champ = {} @source_to_destination_mapping = {} @source_champs_to_discard = Set[] @destination_champ_computations = [] setup_mapping end def check_source_destination_consistency check_champs_consistency("#{privacy_label}source", @expected_source_types_de_champ, types_de_champ(@source_procedure)) check_champs_consistency("#{privacy_label}destination", @expected_destination_types_de_champ, types_de_champ(@destination_procedure)) end def can_migrate?(dossier) true end def migrate(dossier) # Since we’re going to iterate and change the champs at the same time, # we use to_a to make the list static and avoid nasty surprises original_champs = champs(dossier).to_a compute_new_champs(dossier) original_champs.each do |c| tdc_to = destination_type_de_champ(c) if tdc_to.present? c.update_columns(type_de_champ_id: tdc_to.id) elsif discard_champ?(c) champs(dossier).destroy(c) else fail "Unhandled source #{privacy_label}type de champ #{c.type_de_champ.order_place}" end end end private def compute_new_champs(dossier) @destination_champ_computations.each do |tdc, block| champs(dossier) << block.call(dossier, tdc) end end def destination_type_de_champ(champ) @source_to_destination_mapping[champ.type_de_champ.order_place] end def discard_champ?(champ) @source_champs_to_discard.member?(champ.type_de_champ.order_place) end def setup_mapping end def champs(dossier) @is_private ? dossier.champs_private : dossier.champs end def types_de_champ(procedure) @is_private ? procedure.types_de_champ_private : procedure.types_de_champ end def privacy_label @is_private ? 'private ' : '' end def check_champs_consistency(label, expected_tdcs, actual_tdcs) if actual_tdcs.size != expected_tdcs.size raise "Incorrect #{label} size #{actual_tdcs.size} (expected #{expected_tdcs.size})" end actual_tdcs.each { |tdc| check_champ_consistency(label, expected_tdcs[tdc.order_place], tdc) } end def check_champ_consistency(label, expected_tdc, actual_tdc) errors = [] if actual_tdc.libelle != expected_tdc['libelle'] errors.append("incorrect libelle #{actual_tdc.libelle} (expected #{expected_tdc['libelle']})") end if actual_tdc.type_champ != expected_tdc['type_champ'] errors.append("incorrect type champ #{actual_tdc.type_champ} (expected #{expected_tdc['type_champ']})") end if (!actual_tdc.mandatory) && expected_tdc['mandatory'] errors.append("champ should be mandatory") end drop_down = actual_tdc.drop_down_list.presence&.options&.presence if drop_down != expected_tdc['drop_down'] errors.append("incorrect drop down list #{drop_down} (expected #{expected_tdc['drop_down']})") end if errors.present? fail "On #{label} type de champ #{actual_tdc.order_place} (#{actual_tdc.libelle}) " + errors.join(', ') end end def map_source_to_destination_champ(source_order_place, destination_order_place, source_overrides: {}, destination_overrides: {}) destination_type_de_champ = types_de_champ(@destination_procedure).find_by(order_place: destination_order_place) @expected_source_types_de_champ[source_order_place] = type_de_champ_to_expectation(destination_type_de_champ) .merge!(source_overrides) @expected_destination_types_de_champ[destination_order_place] = type_de_champ_to_expectation(types_de_champ(@source_procedure).find_by(order_place: source_order_place)) .merge!({ "mandatory" => false }) # Even if the source was mandatory, it’s ok for the destination to be optional .merge!(destination_overrides) @source_to_destination_mapping[source_order_place] = destination_type_de_champ end def discard_source_champ(source_type_de_champ) @expected_source_types_de_champ[source_type_de_champ.order_place] = type_de_champ_to_expectation(source_type_de_champ) @source_champs_to_discard << source_type_de_champ.order_place end def compute_destination_champ(destination_type_de_champ, &block) @expected_destination_types_de_champ[destination_type_de_champ.order_place] = type_de_champ_to_expectation(destination_type_de_champ) @destination_champ_computations << [types_de_champ(@destination_procedure).find_by(order_place: destination_type_de_champ.order_place), block] end def type_de_champ_to_expectation(tdc) if tdc.present? expectation = tdc.as_json(only: [:libelle, :type_champ, :mandatory]) expectation['drop_down'] = tdc.drop_down_list.presence&.options&.presence expectation else {} end end end class PieceJustificativeMapping def initialize(source_procedure, destination_procedure) @source_procedure = source_procedure @destination_procedure = destination_procedure @expected_source_pj = {} @expected_destination_pj = {} @source_to_destination_mapping = {} setup_mapping end def check_source_destination_consistency check_pjs_consistency('source', @expected_source_pj, @source_procedure.types_de_piece_justificative) check_pjs_consistency('destination', @expected_destination_pj, @destination_procedure.types_de_piece_justificative) end def can_migrate?(dossier) true end def migrate(dossier) # Since we’re going to iterate and change the pjs at the same time, # we use to_a to make the list static and avoid nasty surprises original_pjs = dossier.pieces_justificatives.to_a original_pjs.each do |pj| pj_to = destination_pj(pj) if pj_to.present? pj.update_columns(type_de_piece_justificative_id: pj_to.id) elsif discard_pj?(pj) dossier.pieces_justificatives.destroy(pj) else fail "Unhandled source pièce justificative #{c.type_de_piece_justificative.order_place}" end end end private def destination_pj(pj) @source_to_destination_mapping[pj.order_place] end def discard_pj?(champ) @source_pjs_to_discard.member?(pj.order_place) end def setup_mapping end def map_source_to_destination_pj(source_order_place, destination_order_place, source_overrides: {}, destination_overrides: {}) destination_pj = @destination_procedure.types_de_piece_justificative.find_by(order_place: destination_order_place) @expected_source_pj[source_order_place] = pj_to_expectation(destination_pj) .merge!(source_overrides) @expected_destination_pj[destination_order_place] = pj_to_expectation(@source_procedure.types_de_piece_justificative.find_by(order_place: source_order_place)) .merge!({ "mandatory" => false }) # Even if the source was mandatory, it’s ok for the destination to be optional .merge!(destination_overrides) @source_to_destination_mapping[source_order_place] = destination_pj end def discard_source_pj(source_pj) @expected_source_pj[source_pj.order_place] = pj_to_expectation(source_pj) @source_pjs_to_discard << source_pj.order_place end def leave_destination_pj_blank(destination_pj) @expected_destination_pj[destination_pj.order_place] = pj_to_expectation(destination_pj) end def pj_to_expectation(pj) pj&.as_json(only: [:libelle, :mandatory]) || {} end def check_pjs_consistency(label, expected_pjs, actual_pjs) if actual_pjs.size != expected_pjs.size raise "Incorrect #{label} pièce justificative count #{actual_pjs.size} (expected #{expected_pjs.size})" end actual_pjs.each { |pj| check_pj_consistency(label, expected_pjs[pj.order_place], pj) } end def check_pj_consistency(label, expected_pj, actual_pj) errors = [] if actual_pj.libelle != expected_pj['libelle'] errors.append("incorrect libelle #{actual_pj.libelle} (expected #{expected_pj['libelle']})") end if (!actual_pj.mandatory) && expected_pj['mandatory'] errors.append("pj should be mandatory") end if errors.present? fail "On #{label} type de pièce justificative #{actual_pj.order_place} (#{actual_pj.libelle}) " + errors.join(', ') end end end def initialize(source_procedure, destination_procedure, champ_mapping, private_champ_mapping = ChampMapping, piece_justificative_mapping = PieceJustificativeMapping, &block) @source_procedure = source_procedure @destination_procedure = destination_procedure @champ_mapping = champ_mapping.new(source_procedure, destination_procedure, false) @private_champ_mapping = private_champ_mapping.new(source_procedure, destination_procedure, true) @piece_justificative_mapping = piece_justificative_mapping.new(source_procedure, destination_procedure) if block_given? @on_dossier_migration = block end end def migrate_procedure check_consistency migrate_dossiers migrate_gestionnaires publish_destination_procedure_in_place_of_source end def check_consistency check_same_administrateur @champ_mapping.check_source_destination_consistency @private_champ_mapping.check_source_destination_consistency @piece_justificative_mapping.check_source_destination_consistency end def check_same_administrateur if @source_procedure.administrateur_ids.sort != @destination_procedure.administrateur_ids.sort raise "Mismatching administrateurs #{@source_procedure.administrateurs.pluck(:email)} → #{@destination_procedure.administrateurs.pluck(:email)}" end end def migrate_dossiers @source_procedure.dossiers.find_each(batch_size: 100) do |d| if @champ_mapping.can_migrate?(d) && @private_champ_mapping.can_migrate?(d) && @piece_justificative_mapping.can_migrate?(d) @champ_mapping.migrate(d) @private_champ_mapping.migrate(d) @piece_justificative_mapping.migrate(d) # Use update_columns to avoid triggering build_default_champs d.update_columns(procedure_id: @destination_procedure.id) @on_dossier_migration&.call(d) end end end def migrate_gestionnaires @source_procedure.gestionnaires.find_each(batch_size: 100) { |g| g.assign_to_procedure(@destination_procedure) } end def publish_destination_procedure_in_place_of_source @destination_procedure.publish!(@source_procedure.path) @source_procedure.archive end end end