[Fix #721] If an avis is created with uppercase email, downcase it before save

app/controllers/backoffice/avis_controller.rb

@@ -7,7 +7,7 @@ class Backoffice::AvisController < ApplicationController
     avis = Avis.new(create_params.merge(claimant: current_gestionnaire, dossier: dossier))
 
     if avis.save
-      flash[:notice] = "Votre demande d'avis a bien été envoyée à #{create_params[:email]}"
+      flash[:notice] = "Votre demande d'avis a bien été envoyée à #{avis.email}"
     end
 
     redirect_to backoffice_dossier_path(dossier)

app/models/avis.rb

@@ -3,6 +3,7 @@ class Avis < ApplicationRecord
   belongs_to :gestionnaire
   belongs_to :claimant, class_name: 'Gestionnaire'
 
+  before_save :downcase_email
   before_create :try_to_assign_gestionnaire
   after_create :notify_gestionnaire
 
@@ -27,6 +28,12 @@ class Avis < ApplicationRecord
 
   private
 
+  def downcase_email
+    if email.present?
+      email.downcase!
+    end
+  end
+
   def notify_gestionnaire
     AvisMailer.avis_invitation(self).deliver_now
   end

spec/models/avis_spec.rb

@@ -117,4 +117,26 @@ RSpec.describe Avis, type: :model do
       it { expect(avis.email).to eq(email) }
     end
   end
+
+  describe "#downcase_email" do
+    subject { Avis.create(claimant: claimant, email: email, dossier: create(:dossier), gestionnaire: create(:gestionnaire)) }
+
+    context "when there is no email" do
+      let(:email) { nil }
+
+      it { expect(subject.email).to be_nil }
+    end
+
+    context "when the email is in lowercase" do
+      let(:email) { "toto@tps.fr" }
+
+      it { expect(subject.email).to eq("toto@tps.fr") }
+    end
+
+    context "when the email is not in lowercase" do
+      let(:email) { "TOTO@tps.fr" }
+
+      it { expect(subject.email).to eq("toto@tps.fr") }
+    end
+  end
 end