Allow instructeur to have multiple agent_connect_information

AC will return two different sub depending of the domain demarches.gouv.fr or ds.
Both agent_connect_information are stored and the corresponding instructeur is found by its email.
We do not store anymore the agent_connect_id on the instructeur as the are many.

app/controllers/agent_connect/agent_controller.rb

@@ -22,20 +22,16 @@ class AgentConnect::AgentController < ApplicationController
     user_info, id_token = AgentConnectService.user_info(params[:code], cookies.encrypted[NONCE_COOKIE_NAME])
     cookies.delete NONCE_COOKIE_NAME
 
-    instructeur = Instructeur.find_by(agent_connect_id: user_info['sub'])
-
-    if instructeur.nil?
-      instructeur = Instructeur.find_by(users: { email: santized_email(user_info) })
-    end
+    instructeur = Instructeur.find_by(users: { email: santized_email(user_info) })
 
     if instructeur.nil?
       user = User.create_or_promote_to_instructeur(santized_email(user_info), Devise.friendly_token[0, 20])
       instructeur = user.instructeur
     end
 
-    instructeur.update(agent_connect_id: user_info['sub'], agent_connect_id_token: id_token)
+    instructeur.update(agent_connect_id_token: id_token)
 
-    aci = AgentConnectInformation.find_or_initialize_by(instructeur:)
+    aci = AgentConnectInformation.find_or_initialize_by(instructeur:, sub: user_info['sub'])
     aci.update(user_info.slice('given_name', 'usual_name', 'email', 'sub', 'siret', 'organizational_unit', 'belonging_population', 'phone'))
 
     sign_in(:user, instructeur.user)

app/models/instructeur.rb

@@ -1,8 +1,10 @@
 class Instructeur < ApplicationRecord
+  self.ignored_columns += [:agent_connect_id]
+
   include UserFindByConcern
   has_and_belongs_to_many :administrateurs
 
-  has_one :agent_connect_information, dependent: :destroy
+  has_many :agent_connect_information, dependent: :destroy
 
   has_many :assign_to, dependent: :destroy
   has_many :groupe_instructeurs, -> { order(:label) }, through: :assign_to

spec/controllers/agent_connect/agent_controller_spec.rb

@@ -50,7 +50,6 @@ describe AgentConnect::AgentController, type: :controller do
 
             expect(last_user.email).to eq(email)
             expect(last_user.confirmed_at).to be_present
-            expect(last_user.instructeur.agent_connect_id).to eq('sub')
             expect(last_user.instructeur.agent_connect_id_token).to eq('id_token')
             expect(response).to redirect_to(instructeur_procedures_path)
             expect(state_cookie).to be_nil
@@ -70,7 +69,6 @@ describe AgentConnect::AgentController, type: :controller do
 
             instructeur.reload
 
-            expect(instructeur.agent_connect_id).to eq('sub')
             expect(instructeur.agent_connect_id_token).to eq('id_token')
             expect(response).to redirect_to(instructeur_procedures_path)
           end
@@ -88,13 +86,42 @@ describe AgentConnect::AgentController, type: :controller do
 
             instructeur = user.reload.instructeur
 
-            expect(instructeur.agent_connect_id).to eq('sub')
             expect(instructeur.agent_connect_id_token).to eq('id_token')
             expect(response).to redirect_to(instructeur_procedures_path)
           end
         end
       end
 
+      context 'when the instructeur connects two times with the same domain' do
+        before do
+          expect(AgentConnectService).to receive(:user_info).with(code, nonce).and_return([user_info, id_token]).twice
+          expect(controller).to receive(:sign_in).twice
+        end
+
+        it 'creates another agent_connect_information' do
+          get :callback, params: { code: code, state: state }
+          get :callback, params: { code: code, state: state }
+
+          expect(Instructeur.last.agent_connect_information.count).to eq(1)
+        end
+      end
+
+      context 'when the instructeur connects two times with different domains' do
+        before do
+          expect(controller).to receive(:sign_in).twice
+        end
+
+        it 'creates another agent_connect_information' do
+          expect(AgentConnectService).to receive(:user_info).with(code, nonce).and_return([user_info, id_token])
+          get :callback, params: { code: code, state: state }
+
+          expect(AgentConnectService).to receive(:user_info).with(code, nonce).and_return([user_info.merge('sub' => 'sub2'), id_token])
+          get :callback, params: { code: code, state: state }
+
+          expect(Instructeur.last.agent_connect_information.pluck(:sub)).to match_array(['sub', 'sub2'])
+        end
+      end
+
       context 'but user_info raises and error' do
         before do
           expect(AgentConnectService).to receive(:user_info).and_raise(Rack::OAuth2::Client::Error.new(500, error: 'Unknown'))