Simplify API carte serializer

app/serializers/champ_serializer.rb

@@ -11,7 +11,7 @@ class ChampSerializer < ActiveModel::Serializer
 
   def value
     case object
-    when GeoArea, UserGeometry, Cadastre, QuartierPrioritaire
+    when GeoArea
       object.geometry
     when Champs::CarteChamp
       if object.value.present?
@@ -40,7 +40,7 @@ class ChampSerializer < ActiveModel::Serializer
 
   def type_de_champ
     case object
-    when GeoArea, UserGeometry, Cadastre, QuartierPrioritaire
+    when GeoArea
       legacy_type_de_champ
     else
       object.type_de_champ
@@ -76,28 +76,18 @@ class ChampSerializer < ActiveModel::Serializer
   end
 
   def legacy_carto_libelle
-    case object
-    when UserGeometry, Cadastre, QuartierPrioritaire
-      object.class.name.underscore.tr('_', ' ')
+    if object.source == GeoArea.sources.fetch(:selection_utilisateur)
+      'user geometry'
     else
-      if object.source == GeoArea.sources.fetch(:selection_utilisateur)
-        'user geometry'
-      else
-        object.source.to_s.tr('_', ' ')
-      end
+      object.source.to_s.tr('_', ' ')
     end
   end
 
   def legacy_carto_type_champ
-    case object
-    when UserGeometry, Cadastre, QuartierPrioritaire
-      object.class.name.underscore
+    if object.source == GeoArea.sources.fetch(:selection_utilisateur)
+      'user_geometry'
     else
-      if object.source == GeoArea.sources.fetch(:selection_utilisateur)
-        'user_geometry'
-      else
-        object.source.to_s
-      end
+      object.source.to_s
     end
   end
 end

app/serializers/dossier_serializer.rb

@@ -28,14 +28,7 @@ class DossierSerializer < ActiveModel::Serializer
   def champs
     champs = object.champs.to_a
 
-    if object.use_legacy_carto?
-      champs += object.quartier_prioritaires
-      champs += object.cadastres
-
-      if object.user_geometry.present?
-        champs << object.user_geometry
-      end
-    elsif object.expose_legacy_carto_api?
+    if object.expose_legacy_carto_api?
       champ_carte = champs.find do |champ|
         champ.type_de_champ.type_champ == TypeDeChamp.type_champs.fetch(:carte)
       end

app/serializers/procedure_serializer.rb

@@ -37,6 +37,10 @@ class ProcedureSerializer < ActiveModel::Serializer
   end
 
   def geographic_information
-    object.module_api_carto
+    if object.expose_legacy_carto_api?
+      object.module_api_carto
+    else
+      ModuleAPICarto.new(procedure: object)
+    end
   end
 end