Merge pull request #1578 from betagouv/frederic/fix_1545-send_missed_accuse_de_reception

[Fix #1545] Rake task to send accusés de réception that were missed

lib/tasks/2018_03_08_send_missed_accuse_reception.rake

@@ -0,0 +1,26 @@
+namespace :'2018_03_08_send_missing_accuse_reception' do
+  task send: :environment do
+    # Send accusés de réception that were missed because of #1510
+    #
+    # The bug was introduced in production with the 2018-03-01-01 release
+    # and fixed with the 2018-03-05-03 release.
+    #
+    # `bug_date` and `fix_date` were determined empirically by looking at the release times,
+    # and checking for dossiers with a missing accusé de réception.
+
+    bug_date = DateTime.new(2018, 3, 1, 9, 50)
+    fix_date = DateTime.new(2018, 3, 5, 18, 40)
+
+    # Only send the accusé for dossiers that are still en construction.
+    # For dossiers that have moved on, other mails have been sent since, and a late
+    # accusé de réception would add more confusion than it’s worth
+    problem_dossiers = Dossier.where(en_construction_at: bug_date..fix_date)
+    problem_dossiers.find_each do |dossier|
+      template = dossier.procedure.initiated_mail_template
+      date_depot = dossier.en_construction_at.in_time_zone("Paris").strftime('%d/%m/%Y à %H:%M')
+      body_prefix = "<p>Suite à une difficulté technique, veuillez recevoir par la présente l’accusé de réception pour votre dossier déposé le #{date_depot}.<br>L’équipe demarches-simplifiees.fr vous présente ses excuses pour la gène occasionnée.</p><hr>\n"
+      template.body = body_prefix + template.body
+      NotificationMailer.send_notification(dossier, template).deliver_now!
+    end
+  end
+end