add submission created webhook event

lib/submissions/serialize_for_api.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module Submissions
+  module SerializeForApi
+    SERIALIZE_PARAMS = {
+      only: %i[id source submitters_order created_at updated_at archived_at],
+      methods: %i[audit_log_url],
+      include: {
+        submitters: { only: %i[id slug uuid name email phone
+                               completed_at opened_at sent_at
+                               created_at updated_at external_id metadata],
+                      methods: %i[status application_key] },
+        template: { only: %i[id name external_id created_at updated_at],
+                    methods: %i[folder_name] },
+        created_by_user: { only: %i[id email first_name last_name] }
+      }
+    }.freeze
+
+    module_function
+
+    def call(submission, submitters = nil)
+      submitters ||= submission.submitters.preload(documents_attachments: :blob, attachments_attachments: :blob)
+
+      serialized_submitters = submitters.map { |submitter| Submitters::SerializeForApi.call(submitter) }
+
+      json = submission.as_json(
+        SERIALIZE_PARAMS.deep_merge(
+          include: { submission_events: { only: %i[id submitter_id event_type event_timestamp] } }
+        )
+      )
+
+      if submitters.all?(&:completed_at?)
+        last_submitter = submitters.max_by(&:completed_at)
+
+        json[:documents] = serialized_submitters.find { |e| e['id'] == last_submitter.id }['documents']
+        json[:status] = 'completed'
+        json[:completed_at] = last_submitter.completed_at
+      else
+        json[:documents] = []
+        json[:status] = 'pending'
+        json[:completed_at] = nil
+      end
+
+      json[:submitters] = serialized_submitters
+
+      json
+    end
+  end
+end