Add notifications when user post a comment

app/controllers/commentaires_controller.rb

@@ -1,9 +1,9 @@
 class CommentairesController < ApplicationController
   def index
     @facade = DossierFacades.new(
-      params[:dossier_id],
-      (current_gestionnaire || current_user).email,
-      params[:champs_id]
+        params[:dossier_id],
+        (current_gestionnaire || current_user).email,
+        params[:champs_id]
     )
     render layout: false
   rescue ActiveRecord::RecordNotFound
@@ -48,12 +48,17 @@ class CommentairesController < ApplicationController
       end
 
       NotificationMailer.new_answer(@commentaire.dossier).deliver_now! if saved
+
       redirect_to url_for(controller: 'backoffice/dossiers', action: :show, id: params['dossier_id'])
-    elsif current_user.email != @commentaire.dossier.user.email
-      invite = Invite.where(dossier: @commentaire.dossier, user: current_user).first
-      redirect_to url_for(controller: 'users/dossiers/invites', action: :show, id: invite.id)
     else
-      redirect_to url_for(controller: :recapitulatif, action: :show, dossier_id: params['dossier_id'])
+      NotificationService.new('commentaire', @commentaire.dossier.id).notify if saved
+
+      if current_user.email != @commentaire.dossier.user.email
+        invite = Invite.where(dossier: @commentaire.dossier, user: current_user).first
+        redirect_to url_for(controller: 'users/dossiers/invites', action: :show, id: invite.id)
+      else
+        redirect_to url_for(controller: :recapitulatif, action: :show, dossier_id: params['dossier_id'])
+      end
     end
   end
 

app/models/notification.rb

@@ -1,4 +1,8 @@
 class Notification < ActiveRecord::Base
   belongs_to :dossier
 
+  enum type_notif: {
+           commentaire: 'commentaire'
+       }
+
 end

app/services/notification_service.rb

@@ -0,0 +1,33 @@
+class NotificationService
+
+  def initialize type_notif, dossier_id
+    @type_notif = type_notif
+    @dossier_id = dossier_id
+
+    notification.liste.push text_for_notif
+
+    self
+  end
+
+  def notify
+    notification.save
+  end
+
+  def notification
+    @notification ||=
+        begin
+          Notification.find_by! dossier_id: @dossier_id, already_read: false, type_notif: @type_notif
+        rescue ActiveRecord::RecordNotFound
+          Notification.new dossier_id: @dossier_id, type_notif: @type_notif, liste: []
+        end
+  end
+
+  def text_for_notif
+    case @type_notif
+      when 'commentaire'
+        "#{notification.liste.size + 1} nouveau(x) commentaire(s) déposé(s)."
+      else
+        'Notification par défaut'
+    end
+  end
+end

spec/controllers/users/commentaires_controller_spec.rb

@@ -28,6 +28,10 @@ describe Users::CommentairesController, type: :controller do
 
         subject
       end
+
+      it 'Notification interne is create' do
+        expect { subject }.to change(Notification, :count).by (1)
+      end
     end
 
     context 'when document is upload whith a commentaire', vcr: {cassette_name: 'controllers_sers_commentaires_controller_upload_doc'} do

spec/factories/notification.rb

@@ -0,0 +1,12 @@
+FactoryGirl.define do
+  factory :notification do
+    type_notif 'commentaire'
+    liste []
+
+    after(:create) do |notification, _evaluator|
+      unless notification.dossier
+        notification.dossier = create :dossier
+      end
+    end
+  end
+end

spec/services/notification_service_spec.rb

@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+describe NotificationService do
+
+  describe '.notify' do
+    let(:dossier) { create :dossier }
+    let(:service) { described_class.new type_notif, dossier.id }
+
+    subject { service.notify }
+
+    context 'when is the first notification for dossier_id and type_notif and alread_read is false' do
+      let(:type_notif) { 'commentaire' }
+
+      it { expect { subject }.to change(Notification, :count).by (1) }
+
+      context 'when is not the first notification' do
+        before do
+          create :notification, dossier: dossier, type_notif: type_notif
+        end
+
+        it { expect { subject }.to change(Notification, :count).by (0) }
+      end
+    end
+  end
+
+  describe 'text_for_notif' do
+    pending
+  end
+end