downcase on email adresse for invite object

app/controllers/invites_controller.rb

@@ -3,7 +3,7 @@ class InvitesController < ApplicationController
     email_sender = current_gestionnaire.email
 
     user = User.find_by_email(params[:email])
-    invite = Invite.create(dossier_id: params[:dossier_id], user: user, email: params[:email], email_sender: email_sender)
+    invite = Invite.create(dossier_id: params[:dossier_id], user: user, email: params[:email].downcase, email_sender: email_sender)
 
     if invite.valid?
       InviteMailer.invite_user(invite).deliver_now!   unless invite.user.nil?

spec/controllers/invites_controller_spec.rb

@@ -22,6 +22,15 @@ describe InvitesController, type: :controller do
         subject
       end
 
+      describe 'Invite information' do
+        let(:email) { 'PLIP@octo.com' }
+        let(:invite) { Invite.last }
+
+        it 'email is on lower case' do
+          expect(invite.email).to eq 'plip@octo.com'
+        end
+      end
+
       it { expect(invite.user).to eq user }
       it { expect(flash[:notice]).to be_present }