Modify SendSubmissionBatchJob to also send weekly deliveries

Check the delivery_schedule for the delivery, and call the appropriate
method to send the email. Update the logging to log different events
for daily and weekly deliveries.

Author: stephencdaly

app/jobs/send_submission_batch_job.rb

@@ -32,24 +32,46 @@ def perform(delivery:)
     end
 
     batch_service = AwsSesSubmissionBatchService.new(submissions_query: submissions, form:, mode:)
-    message_id = batch_service.send_daily_batch(date: batch_begin_date)
+
+    message_id = send_email(batch_service, delivery, batch_begin_date)
 
     delivery.new_attempt!
     delivery.update!(
       delivery_reference: message_id,
     )
 
     CurrentJobLoggingAttributes.delivery_reference = delivery.delivery_reference
-    EventLogger.log_form_event("daily_batch_email_sent", {
+    log_batch_sent(delivery, batch_begin_date, mode)
+    log_submissions_included_in_batch(delivery, batch_begin_date)
+  end
+
+private
+
+  def send_email(batch_service, delivery, batch_begin_date)
+    if delivery.daily?
+      batch_service.send_daily_batch(date: batch_begin_date)
+    elsif delivery.weekly?
+      batch_service.send_weekly_batch(begin_date: batch_begin_date, end_date: batch_begin_date + 6.days)
+    else
+      raise StandardError, "Unexpected delivery schedule: #{delivery.delivery_schedule}"
+    end
+  end
+
+  def log_batch_sent(delivery, batch_begin_date, mode)
+    event_name = delivery.daily? ? "daily_batch_email_sent" : "weekly_batch_email_sent"
+    EventLogger.log_form_event(event_name, {
       mode: mode.to_s,
-      batch_date: batch_begin_date,
-      number_of_submissions: submissions.count,
+      batch_begin_date: batch_begin_date,
+      number_of_submissions: delivery.submissions.count,
     })
+  end
 
-    submissions.each do |submission|
-      EventLogger.log_form_event("included_in_daily_batch_email", {
+  def log_submissions_included_in_batch(delivery, batch_begin_date)
+    event_name = delivery.daily? ? "included_in_daily_batch_email" : "included_in_weekly_batch_email"
+    delivery.submissions.each do |submission|
+      EventLogger.log_form_event(event_name, {
         submission_reference: submission.reference,
-        batch_date: batch_begin_date,
+        batch_begin_date: batch_begin_date,
       })
     end
   end

app/models/delivery.rb

@@ -9,6 +9,7 @@ class Delivery < ApplicationRecord
   enum :delivery_schedule, {
     immediate: "immediate",
     daily: "daily",
+    weekly: "weekly",
   }
 
   def status

spec/jobs/send_submission_batch_job_spec.rb

@@ -69,15 +69,6 @@
         perform_enqueued_jobs
       end
 
-      it "sends an email" do
-        expect(ActionMailer::Base.deliveries.count).to eq(1)
-        expect(mail.to).to include(form_document.submission_email)
-      end
-
-      it "includes the date in London time in the subject" do
-        expect(mail.subject).to include("10 April 2025")
-      end
-
       it "updates the delivery" do
         expect(delivery.reload.delivery_reference).to eq(mail.message_id)
         expect(delivery.reload.last_attempt_at).to be_within(1.second).of(@job_ran_at)
@@ -94,39 +85,84 @@
                  failure_reason: "bounced")
         end
 
-        it "updates the resets the delivery details" do
+        it "resets the delivery details" do
           expect(delivery.reload.delivered_at).to be_nil
           expect(delivery.reload.failed_at).to be_nil
           expect(delivery.reload.failure_reason).to be_nil
         end
       end
 
-      it "attaches a csv with the expected filename" do
-        expect(mail.attachments).not_to be_empty
+      context "when the delivery is for a daily batch" do
+        it "sends an email" do
+          expect(ActionMailer::Base.deliveries.count).to eq(1)
+          expect(mail.to).to include(form_document.submission_email)
+        end
 
-        filenames = mail.attachments.map(&:filename)
-        expect(filenames).to contain_exactly("govuk_forms_my_form_2025-04-10.csv")
-      end
+        it "includes the date in London time in the subject" do
+          expect(mail.subject).to include("10 April 2025")
+        end
+
+        it "attaches a csv with the expected filename" do
+          expect(mail.attachments).not_to be_empty
+
+          filenames = mail.attachments.map(&:filename)
+          expect(filenames).to contain_exactly("govuk_forms_my_form_2025-04-10.csv")
+        end
 
-      it "attaches a csv containing header plus one line per submission" do
-        csv_content = mail.attachments.first.decoded
-        expect(csv_content.lines.count).to eq(submissions.count + 1)
+        it "attaches a csv containing header plus one line per submission" do
+          csv_content = mail.attachments.first.decoded
+          expect(csv_content.lines.count).to eq(submissions.count + 1)
+        end
+
+        it "logs that the email was sent" do
+          expect(log_lines).to include(
+            hash_including(
+              "event" => "form_daily_batch_email_sent",
+              "form_id" => form_id,
+              "mode" => mode_string,
+              "preview" => "false",
+              "batch_begin_date" => date.to_s,
+              "number_of_submissions" => submissions.count,
+              "delivery_reference" => mail.message_id,
+              "delivery_id" => delivery.id,
+              "job_id" => @job_id,
+            ),
+          )
+        end
       end
 
-      it "logs that the email was sent" do
-        expect(log_lines).to include(
-          hash_including(
-            "event" => "form_daily_batch_email_sent",
-            "form_id" => form_id,
-            "mode" => mode_string,
-            "preview" => "false",
-            "batch_date" => date.to_s,
-            "number_of_submissions" => submissions.count,
-            "delivery_reference" => mail.message_id,
-            "delivery_id" => delivery.id,
-            "job_id" => @job_id,
-          ),
-        )
+      context "when the delivery is for a weekly batch" do
+        let(:delivery) { create(:delivery, delivery_schedule: "weekly", submissions:, batch_begin_at:) }
+
+        it "sends an email" do
+          expect(ActionMailer::Base.deliveries.count).to eq(1)
+          expect(mail.to).to include(form_document.submission_email)
+        end
+
+        it "includes the date range in London time in the subject" do
+          expect(mail.subject).to include("10 April 2025 to 16 April 2025")
+        end
+
+        it "attaches a csv containing header plus one line per submission" do
+          csv_content = mail.attachments.first.decoded
+          expect(csv_content.lines.count).to eq(submissions.count + 1)
+        end
+
+        it "logs that the email was sent" do
+          expect(log_lines).to include(
+            hash_including(
+              "event" => "form_weekly_batch_email_sent",
+              "form_id" => form_id,
+              "mode" => mode_string,
+              "preview" => "false",
+              "batch_begin_date" => date.to_s,
+              "number_of_submissions" => submissions.count,
+              "delivery_reference" => mail.message_id,
+              "delivery_id" => delivery.id,
+              "job_id" => @job_id,
+            ),
+          )
+        end
       end
     end