Add Champ#for_api

app/models/champ.rb

@@ -47,6 +47,10 @@ class Champ < ApplicationRecord
     value.presence
   end
 
+  def for_api
+    value
+  end
+
   def main_value_name
     :value
   end

app/models/champs/carte_champ.rb

@@ -88,4 +88,8 @@ class Champs::CarteChamp < Champ
       )
     end
   end
+
+  def for_api
+    geo_json.present? ? geo_json.to_json : nil
+  end
 end

app/models/champs/decimal_number_champ.rb

@@ -4,4 +4,8 @@ class Champs::DecimalNumberChamp < Champ
   def for_export
     value.present? ? value.to_f : nil
   end
+
+  def for_api
+    value.present? ? value.to_f : nil
+  end
 end

app/models/champs/integer_number_champ.rb

@@ -4,4 +4,8 @@ class Champs::IntegerNumberChamp < Champ
   def for_export
     value.present? ? value.to_i : nil
   end
+
+  def for_api
+    value.present? ? value.to_i : nil
+  end
 end

app/models/champs/linked_drop_down_list_champ.rb

@@ -37,6 +37,10 @@ class Champs::LinkedDropDownListChamp < Champ
     value.present? ? "#{primary_value || ''};#{secondary_value || ''}" : nil
   end
 
+  def for_api
+    value.present? ? { primary: primary_value, secondary: secondary_value } : nil
+  end
+
   def mandatory_and_blank?
     mandatory? && (primary_value.blank? || secondary_value.blank?)
   end

app/models/champs/piece_justificative_champ.rb

@@ -48,6 +48,10 @@ class Champs::PieceJustificativeChamp < Champ
     errors
   end
 
+  def for_api
+    Rails.application.routes.url_helpers.url_for(piece_justificative_file)
+  end
+
   private
 
   def create_virus_scan

app/serializers/champ_serializer.rb

@@ -13,28 +13,8 @@ class ChampSerializer < ActiveModel::Serializer
     case object
     when GeoArea
       object.geometry
-    when Champs::CarteChamp
-      if object.geo_json.present?
-        object.geo_json.to_json
-      end
-    when Champs::DecimalNumberChamp
-      if object.value.present?
-        object.value.to_f
-      end
-    when Champs::IntegerNumberChamp
-      if object.value.present?
-        object.value.to_i
-      end
-    when Champs::LinkedDropDownListChamp
-      if object.value.present?
-        { primary: object.primary_value, secondary: object.secondary_value }
-      end
-    when Champs::PieceJustificativeChamp
-      if object.piece_justificative_file.attached?
-        url_for(object.piece_justificative_file)
-      end
     else
-      object.value
+      object.for_api
     end
   end