🗃️ Ajoute la zone de dépot url dans glisser deposer

app/models/question_glisser_deposer.rb

@@ -7,6 +7,16 @@ class QuestionGlisserDeposer < Question
            dependent: :destroy
   accepts_nested_attributes_for :reponses, allow_destroy: true
 
+  has_many_attached :zones_depot_url
+
+  validates :zones_depot_url,
+            blob: { content_type: 'image/svg+xml' }
+
+  attr_accessor :supprimer_zones_depot_url
+
+  before_save :valide_zones_depot_url_avec_reponse
+  after_update :supprime_zones_depot_url
+
   def as_json(_options = nil)
     json = base_json
     json.merge!(json_audio_fields, reponses_fields)
@@ -32,4 +42,39 @@ def reponses_fields
     end
     { 'reponsesNonClassees' => reponses_non_classees }
   end
+
+  def supprime_zones_depot_url
+    zones_depot_url.purge_later if zones_depot_url.attached? && supprimer_zones_depot_url == '1'
+  end
+
+  def valide_zones_depot_url_avec_reponse
+    return unless zones_depot_url_attached?
+    return if zones_depot_url_changes_nil?
+
+    attachment_changes['zones_depot_url'].attachable.each do |file|
+      doc = Nokogiri::XML(file.download, nil, 'UTF-8')
+
+      if zones_depot_invalid?(doc)
+        add_invalid_zones_depot_error
+        throw(:abort)
+      end
+    end
+  end
+
+  def zones_depot_url_attached?
+    zones_depot_url.attached?
+  end
+
+  def zones_depot_url_changes_nil?
+    attachment_changes['zones_depot_url'].nil?
+  end
+
+  def zones_depot_invalid?(doc)
+    doc.css('.zone-depot').empty? || doc.css(".zone-depot--#{reponse.nom_technique}").empty?
+  end
+
+  def add_invalid_zones_depot_error
+    errors.add(:zones_depot_url,
+               "doit contenir les classes 'zone-depot' et 'zone-depot--#{reponse.nom_technique}'")
+  end
 end

spec/models/question_glisser_deposer_spec.rb

@@ -4,6 +4,7 @@
 
 describe QuestionGlisserDeposer, type: :model do
   it { is_expected.to have_many(:reponses).with_foreign_key(:question_id) }
+  it { is_expected.to have_many_attached(:zones_depot_url) }
 
   let(:question) do
     create(:question_glisser_deposer,
@@ -42,4 +43,34 @@
       end
     end
   end
+
+  describe 'validations' do
+    let(:question) do
+      build(:question_glisser_deposer)
+    end
+
+    context 'avec un attachment au format svg' do
+      it 'est valide' do
+        question.zones_depot_url.attach(
+          io: Rails.root.join('spec/support/accessibilite-sans-reponse.svg').open,
+          filename: 'valid.svg',
+          content_type: 'image/svg+xml'
+        )
+        expect(question).to be_valid
+      end
+    end
+
+    context "avec un attachement d'un autre format" do
+      it "n'est pas valide" do
+        question.zones_depot_url.attach(
+          io: Rails.root.join('spec/support/programme_tele.png').open,
+          filename: 'invalid.png',
+          content_type: 'image/png'
+        )
+        expect(question).not_to be_valid
+        erreur = question.errors[:zones_depot_url]
+        expect(erreur).to include("n'est pas un format de fichier valide")
+      end
+    end
+  end
 end