When gestionnaire follow an initiated dossier, this paste his state at 'updated'

app/controllers/backoffice/dossiers_controller.rb

@@ -95,6 +95,8 @@ class Backoffice::DossiersController < ApplicationController
   def follow
     follow = current_gestionnaire.toggle_follow_dossier params[:dossier_id]
 
+    current_gestionnaire.dossiers.find(params[:dossier_id]).next_step! 'gestionnaire', 'follow'
+
     flash.notice = (follow.class == Follow ? 'Dossier suivi' : 'Dossier relaché')
     redirect_to request.referer
   end

app/models/dossier.rb

@@ -97,7 +97,7 @@ class Dossier < ActiveRecord::Base
   end
 
   def next_step! role, action
-    unless %w(initiate update comment valid submit receive refuse without_continuation close).include?(action)
+    unless %w(initiate follow update comment valid submit receive refuse without_continuation close).include?(action)
       fail 'action is not valid'
     end
 
@@ -132,6 +132,10 @@ class Dossier < ActiveRecord::Base
           elsif initiated?
             replied!
           end
+        when 'follow'
+          if initiated?
+            updated!
+          end
         when 'valid'
           if updated?
             validated!

spec/controllers/backoffice/dossiers_controller_spec.rb

@@ -4,14 +4,19 @@ describe Backoffice::DossiersController, type: :controller do
   before do
     @request.env['HTTP_REFERER'] = TPS::Application::URL
   end
+  let(:procedure) { create :procedure }
 
-  let(:dossier) { create(:dossier, :with_entreprise) }
+  let(:dossier) { create(:dossier, :with_entreprise, procedure: procedure) }
   let(:dossier_archived) { create(:dossier, :with_entreprise, archived: true) }
 
   let(:dossier_id) { dossier.id }
   let(:bad_dossier_id) { Dossier.count + 10 }
   let(:gestionnaire) { create(:gestionnaire, administrateurs: [create(:administrateur)]) }
 
+  before do
+    create :assign_to, procedure: procedure, gestionnaire: gestionnaire
+  end
+
   describe 'GET #show' do
     context 'gestionnaire is connected' do
       before do
@@ -223,6 +228,20 @@ describe Backoffice::DossiersController, type: :controller do
 
     it { expect(subject.status).to eq 302 }
 
+    context 'when dossier is at state initiated' do
+      let(:dossier) { create(:dossier, :with_entreprise, procedure: procedure, state: 'initiated') }
+
+      before do
+        subject
+        dossier.reload
+      end
+
+      it 'change state for updated' do
+        expect(dossier.state).to eq 'updated'
+      end
+
+    end
+
     describe 'flash alert' do
       context 'when dossier is not follow by gestionnaire' do
         before do

spec/models/dossier_spec.rb

@@ -219,6 +219,12 @@ describe Dossier do
             it { is_expected.to eq('replied') }
           end
 
+          context 'when is follow' do
+            let(:action) { 'follow' }
+
+            it { is_expected.to eq 'updated' }
+          end
+
           context 'when is validated the dossier' do
             let(:action) { 'valid' }
 
@@ -244,10 +250,7 @@ describe Dossier do
           context 'when is updated dossier informations' do
             let(:action) { 'update' }
 
-            it {
+            it { is_expected.to eq('updated') }
-
-              is_expected.to eq('updated')
-            }
           end
         end
 
@@ -260,6 +263,12 @@ describe Dossier do
             it { is_expected.to eq('replied') }
           end
 
+          context 'when is follow' do
+            let(:action) { 'follow' }
+
+            it { is_expected.to eq 'replied' }
+          end
+
           context 'when is validated the dossier' do
             let(:action) { 'valid' }
 
@@ -453,7 +462,6 @@ describe Dossier do
         end
       end
 
-
       context 'when dossier is at state closed' do
         before do
           dossier.closed!