ProcedureOverview: add object to contain overview logic

app/models/procedure.rb

@@ -141,4 +141,7 @@ class Procedure < ActiveRecord::Base
     }
   end
 
+  def procedure_overview(start_date, notifications_count)
+    ProcedureOverview.new(self, start_date, notifications_count)
+  end
 end

app/models/procedure_overview.rb

@@ -0,0 +1,82 @@
+class ProcedureOverview
+  include Rails.application.routes.url_helpers
+  attr_accessor :libelle, :notifications_count, :received_dossiers_count, :created_dossiers_count, :processed_dossiers_count, :date
+
+  def initialize(procedure, start_date, notifications_count)
+    @libelle = procedure.libelle
+    @procedure_url = backoffice_dossiers_procedure_path(procedure)
+    @notifications_count = notifications_count
+
+    @received_dossiers_count = procedure.dossiers.where(state: :received).count
+    @created_dossiers_count = procedure.dossiers
+      .where(created_at: start_date..DateTime.now)
+      .where.not(state: :draft)
+      .count
+    @processed_dossiers_count = procedure.dossiers.where(processed_at: start_date..DateTime.now).count
+  end
+
+  def had_some_activities?
+    [received_dossiers_count,
+     created_dossiers_count,
+     processed_dossiers_count,
+     notifications_count].reduce(:+) > 0
+  end
+
+  def to_html
+    [libelle_description,
+     dossiers_en_instruction_description,
+     created_dossier_description,
+     processed_dossier_description,
+     notifications_description].compact.join('<br>')
+  end
+
+  private
+
+  def libelle_description
+    "<a href='#{@procedure_url}'><strong>#{libelle}</strong></a>"
+  end
+
+  def dossiers_en_instruction_description
+    case received_dossiers_count
+    when 0
+      nil
+    when 1
+      "1 dossier est en cours d'instruction"
+    else
+      "#{received_dossiers_count} dossiers sont en cours d'instruction"
+    end
+  end
+
+  def created_dossier_description
+    case created_dossiers_count
+    when 0
+      nil
+    when 1
+      '1 nouveau dossier a été déposé'
+    else
+      "#{created_dossiers_count} nouveaux dossiers ont été déposés"
+    end
+  end
+
+  def processed_dossier_description
+    case processed_dossiers_count
+    when 0
+      nil
+    when 1
+      '1 dossier a été instruit'
+    else
+      "#{processed_dossiers_count} dossiers ont été instruits"
+    end
+  end
+
+  def notifications_description
+    case notifications_count
+    when 0
+      nil
+    when 1
+      '1 notification en attente sur les dossiers que vous suivez'
+    else
+      "#{notifications_count} notifications en attente sur les dossiers que vous suivez"
+    end
+  end
+end

spec/models/procedure_overview_spec.rb

@@ -0,0 +1,87 @@
+require 'spec_helper'
+
+describe ProcedureOverview, type: :model do
+  let(:procedure) { create(:procedure, libelle: 'libelle') }
+  let(:friday) { DateTime.new(2017, 5, 12) } # vendredi 12 mai 2017, de la semaine du 8 mai
+  let(:monday) { DateTime.new(2017, 5, 8) }
+
+  before :each do
+    Timecop.freeze(friday)
+  end
+
+  let(:procedure_overview) { ProcedureOverview.new(procedure, monday, 0) }
+
+  describe 'received_dossiers_count' do
+    let!(:received_dossier) do
+      dossier = create(:dossier, procedure: procedure, state: :received, created_at: monday)
+    end
+
+    it { expect(procedure_overview.received_dossiers_count).to eq(1) }
+  end
+
+  describe 'created_dossiers_count' do
+    let!(:created_dossier_during_the_week) do
+      create(:dossier, procedure: procedure, created_at: monday, state: :received)
+    end
+
+    let!(:created_dossier_during_the_week_but_in_draft) do
+      create(:dossier, procedure: procedure, created_at: monday, state: :draft)
+    end
+
+    let!(:created_dossier_before_the_week) do
+      create(:dossier, procedure: procedure, created_at: (monday - 1.week), state: :received)
+    end
+
+    it { expect(procedure_overview.created_dossiers_count).to eq(1) }
+  end
+
+  describe 'processed_dossiers_count' do
+    let!(:processed_dossier_during_the_week) do
+      create(:dossier, procedure: procedure, created_at: monday, processed_at: monday)
+    end
+
+    let!(:processed_dossier_before_the_week) do
+      create(:dossier, procedure: procedure, created_at: (monday - 1.week), processed_at: (monday - 1.week))
+    end
+
+    it { expect(procedure_overview.processed_dossiers_count).to eq(1) }
+  end
+
+  describe 'to_html' do
+    subject { procedure_overview.to_html }
+
+    context 'when the different count are equal to 0' do
+      it { is_expected.to match(/^<a href='.+'><strong>libelle<\/strong><\/a>$/) }
+    end
+
+    context 'when the different counts are equal to 1' do
+      before :each do
+        procedure_overview.notifications_count = 1
+        procedure_overview.received_dossiers_count = 1
+        procedure_overview.created_dossiers_count = 1
+        procedure_overview.processed_dossiers_count = 1
+      end
+
+      it { is_expected.to match(/^<a href='.+'><strong>libelle<\/strong><\/a>/) }
+      it { is_expected.to include("1 dossier est en cours d'instruction") }
+      it { is_expected.to include('1 nouveau dossier a été déposé') }
+      it { is_expected.to include('1 dossier a été instruit') }
+      it { is_expected.to include('1 notification en attente sur les dossiers que vous suivez') }
+    end
+
+    context 'when the different counts are equal to 2' do
+      before :each do
+        procedure_overview.notifications_count = 2
+        procedure_overview.received_dossiers_count = 3
+        procedure_overview.created_dossiers_count = 4
+        procedure_overview.processed_dossiers_count = 5
+      end
+
+      it { is_expected.to match(/^<a href='.+'><strong>libelle<\/strong><\/a>/) }
+      it { is_expected.to include("3 dossiers sont en cours d'instruction") }
+      it { is_expected.to include('4 nouveaux dossiers ont été déposés') }
+      it { is_expected.to include('5 dossiers ont été instruits') }
+      it { is_expected.to include('2 notifications en attente sur les dossiers que vous suivez') }
+    end
+  end
+end