rake task to regenerate payment schedules PDF files

app/models/payment_schedule.rb

@@ -51,6 +51,12 @@ class PaymentSchedule < PaymentDocument
     invoicing_profile.user
   end
 
+  # for debug & used by rake task "fablab:maintenance:regenerate_schedules"
+  def regenerate_pdf
+    pdf = ::PDF::PaymentSchedule.new(self).render
+    File.binwrite(file, pdf)
+  end
+
   def check_footprint
     payment_schedule_items.map(&:check_footprint).all? && footprint == compute_footprint
   end

lib/tasks/fablab/maintenance.rake

@@ -17,6 +17,19 @@ namespace :fablab do
       puts '-> Done'
     end
 
+    task :regenerate_schedules, %i[year, month] => :environment do |_task, args|
+      year = args.year || Time.current.year
+      month = args.month || Time.current.month
+      start_date = Time.zone.local(year.to_i, month.to_i, 1)
+      end_date = start_date.next_month
+      puts "-> Start regenerate the payment schedules PDF between #{I18n.l start_date, format: :long} and " \
+         "#{I18n.l end_date - 1.minute, format: :long}"
+      schedules = PaymentSchedule.where('created_at >= :start_date AND created_at < :end_date', start_date: start_date, end_date: end_date)
+                                 .order(created_at: :asc)
+      schedules.each(&:regenerate_pdf)
+      puts '-> Done'
+    end
+
     desc 'recreate every versions of images'
     task build_images_versions: :environment do
       Project.find_each do |project|