Allow dossier deletion if instruction has not started

app/controllers/new_user/dossiers_controller.rb

@@ -101,11 +101,17 @@ module NewUser
 
     def ask_deletion
       dossier = current_user.dossiers.includes(:user, procedure: :administrateur).find(params[:id])
-      deleted_dossier = dossier.delete_and_keep_track
-      DossierMailer.notify_deletion_to_user(deleted_dossier, dossier.user.email).deliver_later
-      DossierMailer.notify_deletion_to_administration(deleted_dossier, dossier.procedure.administrateur.email).deliver_later
-      flash.notice = 'Votre dossier a bien été supprimé.'
-      redirect_to users_dossiers_path
+
+      if !dossier.instruction_commencee?
+        deleted_dossier = dossier.delete_and_keep_track
+        DossierMailer.notify_deletion_to_user(deleted_dossier, dossier.user.email).deliver_later
+        DossierMailer.notify_deletion_to_administration(deleted_dossier, dossier.procedure.administrateur.email).deliver_later
+        flash.notice = 'Votre dossier a bien été supprimé.'
+        redirect_to users_dossiers_path
+      else
+        flash.notice = "L'instruction de votre dossier a commencé, il n'est plus possible de supprimer votre dossier. Si vous souhaitez annuler l'instruction contactez votre administration par la messagerie de votre dossier."
+        redirect_to users_dossier_path(dossier)
+      end
     end
 
     private

app/helpers/dossier_helper.rb

@@ -14,14 +14,4 @@ module DossierHelper
       "highlighted"
     end
   end
-
-  def delete_dossier_confirm(dossier)
-    message = ["Vous vous apprêtez à supprimer votre dossier ainsi que les informations qu’il contient."]
-    if dossier.en_construction_ou_instruction?
-      message << "Nous vous rappelons que toute suppression entraine l’annulation de la démarche en cours."
-    end
-    message << "Confirmer la suppression ?"
-
-    message.join(" ")
-  end
 end

app/models/dossier.rb

@@ -126,6 +126,10 @@ class Dossier < ApplicationRecord
     TERMINE.include?(state)
   end
 
+  def instruction_commencee?
+    INSTRUCTION_COMMENCEE.include?(state)
+  end
+
   def cerfa_available?
     procedure.cerfa_flag? && cerfa.size != 0
   end

app/views/layouts/left_panels/_left_panel_users_recapitulatifcontroller_show.html.haml

@@ -14,9 +14,9 @@
   .dossier-state= @facade.dossier.display_state
   .split-hr-left
 
-  - if current_user.owns?(@facade.dossier)
+  - if current_user.owns?(@facade.dossier) && !@facade.dossier.instruction_commencee?
     .text-center.mt-1
-      = link_to ask_deletion_dossier_path(@facade.dossier), method: :post, class: "btn btn-danger", data: { confirm: delete_dossier_confirm(@facade.dossier) } do
+      = link_to ask_deletion_dossier_path(@facade.dossier), method: :post, class: "btn btn-danger", data: { confirm: "Vous vous apprêtez à supprimer votre dossier ainsi que les informations qu’il contient. Nous vous rappelons que toute suppression entraine l’annulation de la démarche en cours. Confirmer la suppression ?" } do
         Supprimer définitivement
         %br
         ce dossier

spec/controllers/new_user/dossiers_controller_spec.rb

@@ -412,6 +412,20 @@ describe NewUser::DossiersController, type: :controller do
 
     subject { post :ask_deletion, params: { id: dossier.id } }
 
+    shared_examples_for "the dossier can not be deleted" do
+      it do
+        expect(DossierMailer).not_to receive(:notify_deletion_to_administration)
+        expect(DossierMailer).not_to receive(:notify_deletion_to_user)
+        subject
+      end
+
+      it do
+        subject
+        expect(Dossier.find_by(id: dossier.id)).not_to eq(nil)
+        expect(dossier.procedure.deleted_dossiers.count).to eq(0)
+      end
+    end
+
     context 'when dossier is owned by signed in user' do
       let(:dossier) { create(:dossier, user: user, autorisation_donnees: true) }
 
@@ -429,25 +443,22 @@ describe NewUser::DossiersController, type: :controller do
         expect(procedure.deleted_dossiers.count).to eq(1)
         expect(procedure.deleted_dossiers.first.dossier_id).to eq(dossier_id)
       end
+
       it { is_expected.to redirect_to(users_dossiers_path) }
+
+      context "and the instruction has started" do
+        let(:dossier) { create(:dossier, :en_instruction, user: user, autorisation_donnees: true) }
+
+        it_behaves_like "the dossier can not be deleted"
+        it { is_expected.to redirect_to(users_dossier_path(dossier)) }
+      end
     end
 
     context 'when dossier is not owned by signed in user' do
       let(:user2) { create(:user) }
       let(:dossier) { create(:dossier, user: user2, autorisation_donnees: true) }
 
-      it do
-        expect(DossierMailer).not_to receive(:notify_deletion_to_administration)
-        expect(DossierMailer).not_to receive(:notify_deletion_to_user)
-        subject
-      end
-
-      it do
-        subject
-        expect(Dossier.find_by(id: dossier.id)).not_to eq(nil)
-        expect(dossier.procedure.deleted_dossiers.count).to eq(0)
-      end
-
+      it_behaves_like "the dossier can not be deleted"
       it { is_expected.to redirect_to(root_path) }
     end
   end