tasks: delete dossiers without procedures

Fix #3279

lib/tasks/deployment/20190117154829_delete_dossiers_without_procedure.rake

@@ -0,0 +1,25 @@
+require Rails.root.join("lib", "tasks", "task_helper")
+
+namespace :after_party do
+  desc 'Deployment task: delete_dossiers_without_procedure'
+  task delete_dossiers_without_procedure: :environment do
+    rake_puts "Running deploy task 'delete_dossiers_without_procedure'"
+
+    dossiers_without_procedure = Dossier.left_outer_joins(:procedure).where(procedures: { id: nil })
+    total = dossiers_without_procedure.count
+    expected_dossiers_count = 60
+
+    if total > expected_dossiers_count
+      raise "Error: #{expected_dossiers_count} dossiers expected, but found #{total}. Aborting."
+    end
+
+    dossiers_without_procedure.each do |dossier|
+      rake_puts "Destroy dossier #{dossier.id}"
+      dossier.destroy!
+    end
+
+    rake_puts "#{total} dossiers without procedure were destroyed."
+
+    AfterParty::TaskRecord.create version: '20190117154829'
+  end # task :delete_dossiers_without_procedure
+end # namespace :after_party