fix: load the dols day by day

app/jobs/cron/operations_signature_job.rb

@@ -2,14 +2,16 @@ class Cron::OperationsSignatureJob < Cron::CronJob
   self.schedule_expression = "every day at 6 am"
 
   def perform(*args)
+    start_date = DossierOperationLog.where(bill_signature: nil).order(:executed_at).pick(:executed_at).beginning_of_day
     last_midnight = Time.zone.today.beginning_of_day
-    operations_by_day = BillSignatureService.grouped_unsigned_operation_until(last_midnight)
-    operations_by_day.each do |day, operations|
-      begin
-        BillSignatureService.sign_operations(operations, day)
-      rescue
-        raise # let errors show up on Sentry and delayed_jobs
-      end
+
+    while start_date < last_midnight
+      operations = DossierOperationLog
+        .where(executed_at: start_date...start_date.tomorrow, bill_signature: nil)
+
+      BillSignatureService.sign_operations(operations, start_date) if operations.present?
+
+      start_date = start_date.tomorrow
     end
   end
 end

spec/jobs/cron/operations_signature_job_spec.rb

@@ -0,0 +1,40 @@
+RSpec.describe Cron::OperationsSignatureJob, type: :job do
+  describe 'perform' do
+    subject { Cron::OperationsSignatureJob.perform_now }
+
+    let(:today) { Time.zone.parse('2018-01-05 00:06:00') }
+
+    before do
+      travel_to(today)
+      allow(BillSignatureService).to receive(:sign_operations)
+    end
+
+    context "with dol without signature executed_at two_days_ago" do
+      let(:two_days_ago_00_30) { Time.zone.parse('2018-01-03 00:30:00') }
+      let(:two_days_ago_00_00) { Time.zone.parse('2018-01-03 00:00:00') }
+
+      let(:one_day_ago_00_30) { Time.zone.parse('2018-01-04 00:30:00') }
+      let(:one_day_ago_00_00) { Time.zone.parse('2018-01-04 00:00:00') }
+
+      let!(:dol_1) { create(:dossier_operation_log, executed_at: two_days_ago_00_30) }
+      let!(:dol_2) { create(:dossier_operation_log, executed_at: one_day_ago_00_30) }
+
+      before { subject }
+
+      it do
+        expect(BillSignatureService).to have_received(:sign_operations).exactly(2).times
+        expect(BillSignatureService).to have_received(:sign_operations).with([dol_1], two_days_ago_00_00)
+        expect(BillSignatureService).to have_received(:sign_operations).with([dol_2], one_day_ago_00_00)
+      end
+    end
+
+    context "with dol without signature executed_at today past midnight" do
+      let(:today_00_01) { Time.zone.parse('2018-01-05 00:00:01') }
+      let!(:dol) { create(:dossier_operation_log, executed_at: today_00_01) }
+
+      before { subject }
+
+      it { expect(BillSignatureService).not_to have_received(:sign_operations) }
+    end
+  end
+end