feat(graphql): expose departement and region

app/graphql/api/v2/schema.rb

@@ -54,11 +54,13 @@ class API::V2::Schema < GraphQL::Schema
     Types::Champs::DateChampType,
     Types::Champs::DatetimeChampType,
     Types::Champs::DecimalNumberChampType,
+    Types::Champs::DepartementChampType,
     Types::Champs::DossierLinkChampType,
     Types::Champs::IntegerNumberChampType,
     Types::Champs::LinkedDropDownListChampType,
     Types::Champs::MultipleDropDownListChampType,
     Types::Champs::PieceJustificativeChampType,
+    Types::Champs::RegionChampType,
     Types::Champs::RepetitionChampType,
     Types::Champs::SiretChampType,
     Types::Champs::TextChampType,

app/graphql/api/v2/stored_query.rb

@@ -442,6 +442,18 @@ class API::V2::StoredQuery
         code
       }
     }
+    ... on DepartementChamp {
+      departement {
+        name
+        code
+      }
+    }
+    ... on RegionChamp {
+      region {
+        name
+        code
+      }
+    }
     ... on SiretChamp {
       etablissement {
         ...PersonneMoraleFragment

app/graphql/schema.graphql

@@ -685,6 +685,21 @@ type Departement {
   name: String!
 }
 
+type DepartementChamp implements Champ {
+  departement: Departement
+  id: ID!
+
+  """
+  Libellé du champ.
+  """
+  label: String!
+
+  """
+  La valeur du champ sous forme texte.
+  """
+  stringValue: String
+}
+
 """
 Represents direct upload credentials
 """
@@ -2088,6 +2103,26 @@ type Query {
   ): GroupeInstructeurWithDossiers!
 }
 
+type Region {
+  code: String!
+  name: String!
+}
+
+type RegionChamp implements Champ {
+  id: ID!
+
+  """
+  Libellé du champ.
+  """
+  label: String!
+  region: Region
+
+  """
+  La valeur du champ sous forme texte.
+  """
+  stringValue: String
+}
+
 type RepetitionChamp implements Champ {
   champs: [Champ!]! @deprecated(reason: "Utilisez le champ `rows` à la place.")
   id: ID!

app/graphql/types/champ_type.rb

@@ -31,6 +31,18 @@ module Types
           else
             Types::Champs::TextChampType
           end
+        when ::Champs::DepartementChamp
+          if context.has_fragment?(:DepartementChamp)
+            Types::Champs::DepartementChampType
+          else
+            Types::Champs::TextChampType
+          end
+        when ::Champs::RegionChamp
+          if context.has_fragment?(:RegionChamp)
+            Types::Champs::RegionChampType
+          else
+            Types::Champs::TextChampType
+          end
         when ::Champs::DossierLinkChamp
           Types::Champs::DossierLinkChampType
         when ::Champs::PieceJustificativeChamp

app/graphql/types/champs/commune_champ_type.rb

@@ -7,13 +7,8 @@ module Types::Champs
       field :code, String, "Le code INSEE", null: false
     end
 
-    class DepartementType < Types::BaseObject
-      field :name, String, null: false
-      field :code, String, null: false
-    end
-
     field :commune, CommuneType, null: true
-    field :departement, DepartementType, null: true
+    field :departement, Types::Champs::DepartementChampType::DepartementType, null: true
 
     def commune
       if object.code?

app/graphql/types/champs/departement_champ_type.rb

@@ -0,0 +1,16 @@
+module Types::Champs
+  class DepartementChampType < Types::BaseObject
+    implements Types::ChampType
+
+    class DepartementType < Types::BaseObject
+      field :name, String, null: false
+      field :code, String, null: false
+    end
+
+    field :departement, DepartementType, null: true
+
+    def departement
+      object if object.external_id.present?
+    end
+  end
+end

app/graphql/types/champs/region_champ_type.rb

@@ -0,0 +1,16 @@
+module Types::Champs
+  class RegionChampType < Types::BaseObject
+    implements Types::ChampType
+
+    class RegionType < Types::BaseObject
+      field :name, String, null: false
+      field :code, String, null: false
+    end
+
+    field :region, RegionType, null: true
+
+    def region
+      object if object.external_id.present?
+    end
+  end
+end

app/services/serializer_service.rb

@@ -191,6 +191,28 @@ class SerializerService
           ...AddressFragment
         }
       }
+      ... on CommuneChamp {
+        commune {
+          name
+          code
+        }
+        departement {
+          name
+          code
+        }
+      }
+      ... on DepartementChamp {
+        departement {
+          name
+          code
+        }
+      }
+      ... on RegionChamp {
+        region {
+          name
+          code
+        }
+      }
     }
 
     fragment RepetitionChampFragment on RepetitionChamp {