FC ParticulierClient: simplier initialize

app/models/france_connect_particulier_client.rb

@@ -1,5 +1,5 @@
 class FranceConnectParticulierClient < OpenIDConnect::Client
-  def initialize params={}
+  def initialize(code = nil)
     super(
         identifier: FRANCE_CONNECT.particulier_identifier,
         secret: FRANCE_CONNECT.particulier_secret,
@@ -11,6 +11,9 @@ class FranceConnectParticulierClient < OpenIDConnect::Client
         userinfo_endpoint: FRANCE_CONNECT.particulier_userinfo_endpoint,
         logout_endpoint: FRANCE_CONNECT.particulier_logout_endpoint
     )
-    self.authorization_code = params[:code] if params.has_key? :code
+
+    if code.present?
+      self.authorization_code = code
+    end
   end
 end

app/services/france_connect_service.rb

@@ -1,6 +1,6 @@
 class FranceConnectService
   def self.retrieve_user_informations_particulier code
-    client = FranceConnectParticulierClient.new code: code
+    client = FranceConnectParticulierClient.new(code)
 
     access_token = client.access_token!(client_auth_method: :secret)
     user_info = access_token.userinfo!

spec/models/france_connect_particulier_client_spec.rb

@@ -7,10 +7,10 @@ describe FranceConnectParticulierClient do
     end
     context 'when given code in params' do
       let(:code) { 'plop' }
-      subject { described_class.new(code: code) }
+      subject { described_class.new(code) }
       it 'set authorisation code' do
         expect_any_instance_of(described_class).to receive(:authorization_code=).with(code)
-        described_class.new(code: code)
+        described_class.new(code)
       end
     end
   end