Migrate mail body to ActionText

app/models/concerns/mail_template_concern.rb

@@ -11,6 +11,10 @@ module MailTemplateConcern
     replace_tags(body, dossier)
   end
 
+  included do
+    has_rich_text :rich_body
+  end
+
   module ClassMethods
     def default_for_procedure(procedure)
       template_name = default_template_name_for_procedure(procedure)

lib/tasks/deployment/20190410131747_migrate_mail_body_to_actiontext.rake

@@ -0,0 +1,26 @@
+namespace :after_party do
+  desc 'Deployment task: migrate_mail_body_to_actiontext'
+  task migrate_mail_body_to_actiontext: :environment do
+    puts "Running deploy task 'migrate_mail_body_to_actiontext'"
+
+    # Put your task implementation HERE.
+
+    [Mails::InitiatedMail, Mails::ReceivedMail, Mails::ClosedMail, Mails::WithoutContinuationMail, Mails::RefusedMail].each do |mt_class|
+      progress = ProgressReport.new(mt_class.all.count)
+
+      mt_class.all.each do |mt|
+        if mt.body.present?
+          mt.rich_body = mt.body
+          mt.save
+        end
+        progress.inc
+      end
+
+      progress.finish
+    end
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord.create version: '20190410131747'
+  end # task :migrate_mail_body_to_actiontext
+end # namespace :after_party

spec/lib/tasks/deployment/20190410131747_migrate_mail_body_to_actiontext_spec.rb

@@ -0,0 +1,24 @@
+describe '20190410131747_migrate_mail_body_to_actiontext.rake' do
+  let(:rake_task) { Rake::Task['after_party:migrate_mail_body_to_actiontext'] }
+
+  let!(:closed_mail) { create(:closed_mail, body: body) }
+
+  before do
+    rake_task.invoke
+    closed_mail.reload
+  end
+
+  after { rake_task.reenable }
+
+  context 'with a plain text body' do
+    let(:body) { "Test de body" }
+
+    it { expect(closed_mail.rich_body.to_plain_text).to eq(closed_mail.body) }
+  end
+
+  context 'with a html text body' do
+    let(:body) { "Test de body<br>" }
+
+    it { expect(closed_mail.rich_body.to_s.squish).to eq("<div class=\"trix-content\"> #{closed_mail.body} </div>".squish) }
+  end
+end