Merge pull request #10234 from tchak/type-de-champ-paths

feat(champ): add paths to type_de_champ

app/models/champ.rb

@@ -110,8 +110,8 @@ class Champ < ApplicationRecord
     value.present? ? value.to_s : ''
   end
 
-  def for_export
-    value.presence
+  def for_export(path = :value)
+    path == :value ? value.presence : nil
   end
 
   def for_api
@@ -122,8 +122,8 @@ class Champ < ApplicationRecord
     to_s
   end
 
-  def for_tag
-    value.present? ? value.to_s : ''
+  def for_tag(path = :value)
+    path == :value && value.present? ? value.to_s : ''
   end
 
   def main_value_name

app/models/champs/address_champ.rb

@@ -42,12 +42,26 @@ class Champs::AddressChamp < Champs::TextChamp
     address_label.presence || ''
   end
 
-  def for_tag
-    address_label
+  def for_tag(path = :value)
+    case path
+    when :value
+      address_label
+    when :departement
+      departement_code_and_name || ''
+    when :commune
+      commune_name || ''
+    end
   end
 
-  def for_export
-    value.present? ? address_label : nil
+  def for_export(path = :value)
+    case path
+    when :value
+      value.present? ? address_label : nil
+    when :departement
+      departement_code_and_name
+    when :commune
+      commune_name
+    end
   end
 
   def for_api

app/models/champs/boolean_champ.rb

@@ -25,11 +25,11 @@ class Champs::BooleanChamp < Champ
     processed_value
   end
 
-  def for_tag
+  def for_tag(path = :value)
     processed_value
   end
 
-  def for_export
+  def for_export(path = :value)
     processed_value
   end
 

app/models/champs/carte_champ.rb

@@ -79,7 +79,7 @@ class Champs::CarteChamp < Champ
     nil
   end
 
-  def for_export
+  def for_export(path = :value)
     geo_areas.map(&:label).join("\n")
   end
 

app/models/champs/checkbox_champ.rb

@@ -1,5 +1,5 @@
 class Champs::CheckboxChamp < Champs::BooleanChamp
-  def for_export
+  def for_export(path = :value)
     true? ? 'on' : 'off'
   end
 

app/models/champs/commune_champ.rb

@@ -2,8 +2,26 @@ class Champs::CommuneChamp < Champs::TextChamp
   store_accessor :value_json, :code_departement, :code_postal, :code_region
   before_save :on_codes_change, if: :should_refresh_after_code_change?
 
-  def for_export
-    [to_s, code? ? code : '', departement? ? departement_code_and_name : '']
+  def for_export(path = :value)
+    case path
+    when :value
+      to_s
+    when :departement
+      departement_code_and_name || ''
+    when :code
+      code || ''
+    end
+  end
+
+  def for_tag(path = :value)
+    case path
+    when :value
+      to_s
+    when :departement
+      departement_code_and_name || ''
+    when :code
+      code || ''
+    end
   end
 
   def departement_name

app/models/champs/date_champ.rb

@@ -12,7 +12,9 @@ class Champs::DateChamp < Champ
     value.presence || "" # old dossiers can have not parseable dates
   end
 
-  alias for_tag to_s
+  def for_tag(path = :value)
+    to_s if path == :value
+  end
 
   private
 

app/models/champs/datetime_champ.rb

@@ -10,7 +10,7 @@ class Champs::DatetimeChamp < Champ
     value.present? ? I18n.l(Time.zone.parse(value)) : ""
   end
 
-  def for_tag
+  def for_tag(path = :value)
     value.present? ? I18n.l(Time.zone.parse(value)) : ""
   end
 

app/models/champs/decimal_number_champ.rb

@@ -16,7 +16,7 @@ class Champs::DecimalNumberChamp < Champ
     }
   }, if: -> { validate_champ_value? || validation_context == :prefill }
 
-  def for_export
+  def for_export(path = :value)
     processed_value
   end
 

app/models/champs/departement_champ.rb

@@ -5,16 +5,26 @@ class Champs::DepartementChamp < Champs::TextChamp
   validate :external_id_in_departement_codes, unless: -> { external_id.nil? }
   before_save :store_code_region
 
-  def for_export
-    [name, code]
+  def for_export(path = :value)
+    case path
+    when :code
+      code
+    when :value
+      name
+    end
   end
 
   def to_s
     formatted_value
   end
 
-  def for_tag
-    formatted_value
+  def for_tag(path = :value)
+    case path
+    when :code
+      code
+    when :value
+      formatted_value
+    end
   end
 
   def for_api

app/models/champs/epci_champ.rb

@@ -8,8 +8,26 @@ class Champs::EpciChamp < Champs::TextChamp
   validate :external_id_in_departement_epci_codes, unless: -> { code_departement.nil? || external_id.nil? }
   validate :value_in_departement_epci_names, unless: -> { code_departement.nil? || external_id.nil? || value.nil? }
 
-  def for_export
-    [value, code, "#{code_departement} – #{departement_name}"]
+  def for_export(path = :value)
+    case path
+    when :value
+      value
+    when :code
+      code
+    when :departement
+      departement_code_and_name
+    end
+  end
+
+  def for_tag(path = :value)
+    case path
+    when :value
+      value
+    when :code
+      code
+    when :departement
+      departement_code_and_name
+    end
   end
 
   def departement_name
@@ -62,6 +80,12 @@ class Champs::EpciChamp < Champs::TextChamp
     end
   end
 
+  def departement_code_and_name
+    if departement?
+      "#{code_departement} – #{departement_name}"
+    end
+  end
+
   def code_departement_input_id
     "#{input_id}-code_departement"
   end

app/models/champs/integer_number_champ.rb

@@ -9,7 +9,7 @@ class Champs::IntegerNumberChamp < Champ
     }
   }, if: -> { validate_champ_value? || validation_context == :prefill }
 
-  def for_export
+  def for_export(path = :value)
     processed_value
   end
 

app/models/champs/linked_drop_down_list_champ.rb

@@ -41,12 +41,26 @@ class Champs::LinkedDropDownListChamp < Champ
     value.present? ? [primary_value, secondary_value].filter(&:present?).join(' / ') : ""
   end
 
-  def for_tag
-    value.present? ? [primary_value, secondary_value].filter(&:present?).join(' / ') : ""
+  def for_tag(path = :value)
+    case path
+    when :primary
+      primary_value
+    when :secondary
+      secondary_value
+    when :value
+      value.present? ? [primary_value, secondary_value].filter(&:present?).join(' / ') : ""
+    end
   end
 
-  def for_export
-    value.present? ? "#{primary_value || ''};#{secondary_value || ''}" : nil
+  def for_export(path = :value)
+    case path
+    when :primary
+      primary_value
+    when :secondary
+      secondary_value
+    when :value
+      value.present? ? "#{primary_value || ''};#{secondary_value || ''}" : nil
+    end
   end
 
   def for_api

app/models/champs/multiple_drop_down_list_champ.rb

@@ -24,11 +24,11 @@ class Champs::MultipleDropDownListChamp < Champ
     selected_options.join(', ')
   end
 
-  def for_tag
+  def for_tag(path = :value)
     selected_options.join(', ')
   end
 
-  def for_export
+  def for_export(path = :value)
     value.present? ? selected_options.join(', ') : nil
   end
 

app/models/champs/pays_champ.rb

@@ -11,16 +11,26 @@ class Champs::PaysChamp < Champs::TextChamp
     validates :value, inclusion: APIGeoService.countries.pluck(:name), allow_nil: false, allow_blank: false
   end
 
-  def for_export
-    [name, code]
+  def for_export(path = :value)
+    case path
+    when :code
+      code
+    when :value
+      name
+    end
   end
 
   def to_s
     name
   end
 
-  def for_tag
-    name
+  def for_tag(path = :value)
+    case path
+    when :code
+      code
+    when :value
+      name
+    end
   end
 
   def selected

app/models/champs/piece_justificative_champ.rb

@@ -26,7 +26,7 @@ class Champs::PieceJustificativeChamp < Champ
     piece_justificative_file.blank?
   end
 
-  def for_export
+  def for_export(path = :value)
     piece_justificative_file.map { _1.filename.to_s }.join(', ')
   end
 

app/models/champs/region_champ.rb

@@ -3,8 +3,22 @@ class Champs::RegionChamp < Champs::TextChamp
   validate :value_in_region_names, unless: -> { value.nil? }
   validate :external_id_in_region_codes, unless: -> { external_id.nil? }
 
-  def for_export
-    [name, code]
+  def for_export(path = :value)
+    case path
+    when :value
+      name
+    when :code
+      code
+    end
+  end
+
+  def for_tag(path = :value)
+    case path
+    when :value
+      name
+    when :code
+      code
+    end
   end
 
   def selected

app/models/champs/repetition_champ.rb

@@ -1,6 +1,5 @@
 class Champs::RepetitionChamp < Champ
   accepts_nested_attributes_for :champs
-  delegate :libelle_for_export, to: :type_de_champ
 
   def rows
     dossier
@@ -34,7 +33,7 @@ class Champs::RepetitionChamp < Champ
     # The user cannot enter any information here so it doesn’t make much sense to search
   end
 
-  def for_tag
+  def for_tag(path = :value)
     ([libelle] + rows.map do |champs|
       champs.map do |champ|
         "#{champ.libelle} : #{champ}"

app/models/champs/rna_champ.rb

@@ -16,7 +16,7 @@ class Champs::RNAChamp < Champ
     title.present? ? "#{value} (#{title})" : value
   end
 
-  def for_export
+  def for_export(path = :value)
     identifier
   end
 

app/models/champs/rnf_champ.rb

@@ -25,11 +25,33 @@ class Champs::RNFChamp < Champ
     rnf_id.blank?
   end
 
-  def for_export
-    if address.present?
-      [rnf_id, title, address['label'], address['cityCode'], departement_code_and_name]
-    else
-      [rnf_id, nil, nil, nil, nil]
+  def for_export(path = :value)
+    case path
+    when :value
+      rnf_id
+    when :departement
+      departement_code_and_name
+    when :code_insee
+      commune&.fetch(:code)
+    when :address
+      full_address
+    when :nom
+      title
+    end
+  end
+
+  def for_tag(path = :value)
+    case path
+    when :value
+      rnf_id
+    when :departement
+      departement_code_and_name || ''
+    when :code_insee
+      commune&.fetch(:code) || ''
+    when :address
+      full_address || ''
+    when :nom
+      title || ''
     end
   end
 
@@ -59,7 +81,7 @@ class Champs::RNFChamp < Champ
 
   def commune_name
     if departement?
-      "#{APIGeoService.commune_name(department_code, address['cityCode'])} (#{address['postalCode']})"
+      "#{APIGeoService.commune_name(code_departement, address['cityCode'])} (#{address['postalCode']})"
     end
   end
 
@@ -69,8 +91,8 @@ class Champs::RNFChamp < Champ
       city_name = address['cityName']
       postal_code = address['postalCode']
 
-      commune_name = APIGeoService.commune_name(department_code, city_code)
-      commune_code = APIGeoService.commune_code(department_code, city_name)
+      commune_name = APIGeoService.commune_name(code_departement, city_code)
+      commune_code = APIGeoService.commune_code(code_departement, city_name)
 
       if commune_name.present?
         {

app/models/champs/textarea_champ.rb

@@ -1,5 +1,5 @@
 class Champs::TextareaChamp < Champs::TextChamp
-  def for_export
+  def for_export(path = :value)
     value.present? ? ActionView::Base.full_sanitizer.sanitize(value) : nil
   end
 

app/models/champs/titre_identite_champ.rb

@@ -20,7 +20,7 @@ class Champs::TitreIdentiteChamp < Champ
     piece_justificative_file.blank?
   end
 
-  def for_export
+  def for_export(path = :value)
     piece_justificative_file.attached? ? "présent" : "absent"
   end
 

app/models/concerns/tags_substitution_concern.rb

@@ -451,8 +451,8 @@ module TagsSubstitutionConcern
 
   def tags_and_datas_list(dossier)
     [
-      [champ_public_tags(dossier:), dossier.champs_public],
-      [champ_private_tags(dossier:), dossier.champs_private],
+      [champ_public_tags(dossier:), dossier],
+      [champ_private_tags(dossier:), dossier],
       [dossier_tags, dossier],
       [ROUTAGE_TAGS, dossier],
       [INDIVIDUAL_TAGS, dossier.individual],

app/models/dossier.rb

@@ -1047,14 +1047,8 @@ class Dossier < ApplicationRecord
   def champs_for_export(types_de_champ, row_id = nil)
     types_de_champ.flat_map do |type_de_champ|
       champ = champ_for_export(type_de_champ, row_id)
-
-      # nil => [nil]
-      # text => [text]
-      # [commune, insee, departement] => [commune, insee, departement]
-      wrapped_exported_values = [champ.for_export].flatten
-
-      wrapped_exported_values.map.with_index do |champ_value, index|
-        [type_de_champ.libelle_for_export(index), champ_value]
+      type_de_champ.libelles_for_export.map do |(libelle, path)|
+        [libelle, champ&.for_export(path)]
       end
     end
   end
@@ -1184,11 +1178,8 @@ class Dossier < ApplicationRecord
 
   def champ_for_export(type_de_champ, row_id)
     champ = champs_by_public_id[type_de_champ.public_id(row_id)]
-    if champ.nil? || !champ.visible?
-      # some champs export multiple columns
-      # ex: commune.for_export => [commune, insee, departement]
-      # so we build a fake champ to have the right export
-      type_de_champ.build_champ(dossier: self, row_id:)
+    if champ.blank? || !champ.visible?
+      nil
     else
       champ
     end

app/models/type_de_champ.rb

@@ -145,7 +145,7 @@ class TypeDeChamp < ApplicationRecord
   has_one :revision, through: :revision_type_de_champ
   has_one :procedure, through: :revision
 
-  delegate :estimated_fill_duration, :estimated_read_duration, :tags_for_template, :libelle_for_export, :primary_options, :secondary_options, to: :dynamic_type
+  delegate :estimated_fill_duration, :estimated_read_duration, :tags_for_template, :libelles_for_export, :libelle_for_export, :primary_options, :secondary_options, to: :dynamic_type
   delegate :used_by_routing_rules?, to: :revision_type_de_champ
 
   class WithIndifferentAccess

app/models/types_de_champ/address_type_de_champ.rb

@@ -1,21 +1,25 @@
 class TypesDeChamp::AddressTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def tags_for_template
-    tags = super
-    stable_id = @type_de_champ.stable_id
-    tags.push(
+  def libelles_for_export
+    path = paths.first
+    [[path[:libelle], path[:path]]]
+  end
+
+  private
+
+  def paths
+    paths = super
+    paths.push(
       {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)} (Département)",
-        id: "tdc#{stable_id}/departement",
-        description: "#{description} (Département)",
-        lambda: -> (champs) { champs.find { _1.stable_id == stable_id }&.departement_code_and_name }
+        libelle: "#{libelle} (Département)",
+        path: :departement,
+        description: "#{description} (Département)"
       },
       {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)} (Commune)",
-        id: "tdc#{stable_id}/commune",
-        description: "#{description} (Commune)",
-        lambda: -> (champs) { champs.find { _1.stable_id == stable_id }&.commune_name }
+        libelle: "#{libelle} (Commune)",
+        path: :commune,
+        description: "#{description} (Commune)"
       }
     )
-    tags
+    paths
   end
 end

app/models/types_de_champ/commune_type_de_champ.rb

@@ -1,19 +1,20 @@
 class TypesDeChamp::CommuneTypeDeChamp < TypesDeChamp::TypeDeChampBase
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Code insee)", "#{libelle} (Département)"][index]
-  end
+  private
 
-  def tags_for_template
-    tags = super
-    stable_id = @type_de_champ.stable_id
-    tags.push(
-      {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)} (Département)",
-        id: "tdc#{stable_id}/departement",
-        description: "#{description} (Département)",
-        lambda: -> (champs) { champs.find { _1.stable_id == stable_id }&.departement_code_and_name }
-      }
-    )
-    tags
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Code INSEE)",
+      description: "#{description} (Code INSEE)",
+      path: :code,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle} (Département)",
+      description: "#{description} (Département)",
+      path: :departement,
+      maybe_null: public? && !mandatory?
+    })
+    paths
   end
 end

app/models/types_de_champ/departement_type_de_champ.rb

@@ -1,9 +1,18 @@
 class TypesDeChamp::DepartementTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Code)"][index]
-  end
-
   def filter_to_human(filter_value)
     APIGeoService.departement_name(filter_value).presence || filter_value
   end
+
+  private
+
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Code)",
+      description: "#{description} (Code)",
+      path: :code,
+      maybe_null: public? && !mandatory?
+    })
+    paths
+  end
 end

app/models/types_de_champ/epci_type_de_champ.rb

@@ -1,5 +1,20 @@
 class TypesDeChamp::EpciTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Code)", "#{libelle} (Département)"][index]
+  private
+
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Code)",
+      description: "#{description} (Code)",
+      path: :code,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle} (Département)",
+      description: "#{description} (Département)",
+      path: :departement,
+      maybe_null: public? && !mandatory?
+    })
+    paths
   end
 end

app/models/types_de_champ/linked_drop_down_list_type_de_champ.rb

@@ -4,30 +4,9 @@ class TypesDeChamp::LinkedDropDownListTypeDeChamp < TypesDeChamp::TypeDeChampBas
   delegate :drop_down_list_options, to: :@type_de_champ
   validate :check_presence_of_primary_options
 
-  def tags_for_template
-    tags = super
-    stable_id = @type_de_champ.stable_id
-    tags.push(
-      {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)}/primaire",
-        id: "tdc#{stable_id}/primaire",
-        description: "#{description} (menu primaire)",
-        lambda: -> (champs) {
-          champs.find { |champ| champ.stable_id == stable_id }&.primary_value
-        }
-      }
-    )
-    tags.push(
-      {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)}/secondaire",
-        id: "tdc#{stable_id}/secondaire",
-        description: "#{description} (menu secondaire)",
-        lambda: -> (champs) {
-          champs.find { |champ| champ.stable_id == stable_id }&.secondary_value
-        }
-      }
-    )
-    tags
+  def libelles_for_export
+    path = paths.first
+    [[path[:libelle], path[:path]]]
   end
 
   def add_blank_option_when_not_mandatory(options)
@@ -53,6 +32,23 @@ class TypesDeChamp::LinkedDropDownListTypeDeChamp < TypesDeChamp::TypeDeChampBas
 
   private
 
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle}/primaire",
+      description: "#{description} (Primaire)",
+      path: :primary,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle}/secondaire",
+      description: "#{description} (Secondaire)",
+      path: :secondary,
+      maybe_null: public? && !mandatory?
+    })
+    paths
+  end
+
   def unpack_options
     _, *options = drop_down_list_options
     chunked = options.slice_before(PRIMARY_PATTERN)

app/models/types_de_champ/pays_type_de_champ.rb

@@ -1,5 +1,14 @@
 class TypesDeChamp::PaysTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Code)"][index]
+  private
+
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Code)",
+      description: "#{description} (Code)",
+      path: :code,
+      maybe_null: public? && !mandatory?
+    })
+    paths
   end
 end

app/models/types_de_champ/region_type_de_champ.rb

@@ -1,9 +1,18 @@
 class TypesDeChamp::RegionTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Code)"][index]
-  end
-
   def filter_to_human(filter_value)
     APIGeoService.region_name(filter_value).presence || filter_value
   end
+
+  private
+
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Code)",
+      description: "#{description} (Code)",
+      path: :code,
+      maybe_null: public? && !mandatory?
+    })
+    paths
+  end
 end

app/models/types_de_champ/repetition_type_de_champ.rb

@@ -12,7 +12,7 @@ class TypesDeChamp::RepetitionTypeDeChamp < TypesDeChamp::TypeDeChampBase
   end
 
   # We have to truncate the label here as spreadsheets have a (30 char) limit on length.
-  def libelle_for_export(index = 0)
+  def libelle_for_export
     str = "(#{stable_id}) #{libelle}"
     # /\*?[] are invalid Excel worksheet characters
     ActiveStorage::Filename.new(str.delete('[]*?')).sanitized

app/models/types_de_champ/rnf_type_de_champ.rb

@@ -1,25 +1,32 @@
 class TypesDeChamp::RNFTypeDeChamp < TypesDeChamp::TextTypeDeChamp
-  def libelle_for_export(index)
-    [libelle, "#{libelle} (Nom)", "#{libelle} (Adresse)", "#{libelle} (Code insee Ville)", "#{libelle} (Département)"][index]
-  end
+  private
 
-  def tags_for_template
-    tags = super
-    stable_id = @type_de_champ.stable_id
-    tags.push(
-      {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)} (Département)",
-        id: "tdc#{stable_id}/departement",
-        description: "#{description} (Département)",
-        lambda: -> (champs) { champs.find { _1.stable_id == stable_id }&.departement_code_and_name }
-      },
-      {
-        libelle: "#{TagsSubstitutionConcern::TagsParser.normalize(libelle)} (Commune)",
-        id: "tdc#{stable_id}/commune",
-        description: "#{description} (Commune)",
-        lambda: -> (champs) { champs.find { _1.stable_id == stable_id }&.commune_name }
-      }
-    )
-    tags
+  def paths
+    paths = super
+    paths.push({
+      libelle: "#{libelle} (Nom)",
+      description: "#{description} (Nom)",
+      path: :nom,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle} (Adresse)",
+      description: "#{description} (Adresse)",
+      path: :address,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle} (Code INSEE Ville)",
+      description: "#{description} (Code INSEE Ville)",
+      path: :code_insee,
+      maybe_null: public? && !mandatory?
+    })
+    paths.push({
+      libelle: "#{libelle} (Département)",
+      description: "#{description} (Département)",
+      path: :departement,
+      maybe_null: public? && !mandatory?
+    })
+    paths
   end
 end

app/models/types_de_champ/type_de_champ_base.rb

@@ -13,22 +13,18 @@ class TypesDeChamp::TypeDeChampBase
   end
 
   def tags_for_template
-    stable_id = self.stable_id
-    [
-      {
-        libelle: TagsSubstitutionConcern::TagsParser.normalize(libelle),
-        id: "tdc#{stable_id}",
-        description: description,
-        maybe_null: public? && !mandatory?,
-        lambda: -> (champs) {
-          champs.find { |champ| champ.stable_id == stable_id }&.for_tag
-        }
-      }
-    ]
+    tdc = @type_de_champ
+    paths.map do |path|
+      path.merge(
+        libelle: TagsSubstitutionConcern::TagsParser.normalize(path[:libelle]),
+        id: path[:path] == :value ? "tdc#{stable_id}" : "tdc#{stable_id}/#{path[:path]}",
+        lambda: -> (dossier) { dossier.project_champ(tdc, nil).for_tag(path[:path]) }
+      )
+    end
   end
 
-  def libelle_for_export(index = 0)
-    libelle
+  def libelles_for_export
+    paths.map { [_1[:libelle], _1[:path]] }
   end
 
   # Default estimated duration to fill the champ in a form, in seconds.
@@ -59,4 +55,17 @@ class TypesDeChamp::TypeDeChampBase
   def human_to_filter(human_value)
     human_value
   end
+
+  private
+
+  def paths
+    [
+      {
+        libelle:,
+        path: :value,
+        description:,
+        maybe_null: public? && !mandatory?
+      }
+    ]
+  end
 end