add download combined pdf button

lib/submissions/generate_audit_trail.rb

@@ -12,7 +12,6 @@ module Submissions
                   'Helvetica'
                 end
 
-    SIGN_REASON = 'Signed with DocuSeal.co'
     VERIFIED_TEXT = 'Verified'
     UNVERIFIED_TEXT = 'Unverified'
 
@@ -31,9 +30,35 @@ module Submissions
 
     # rubocop:disable Metrics
     def call(submission)
+      document = build_audit_trail(submission)
+
       account = submission.account
+
       pkcs = Accounts.load_signing_pkcs(account)
       tsa_url = Accounts.load_timeserver_url(account)
+
+      io = StringIO.new
+
+      document.trailer.info[:Creator] = "#{Docuseal.product_name} (#{Docuseal::PRODUCT_URL})"
+
+      sign_params = {
+        reason: sign_reason,
+        **Submissions::GenerateResultAttachments.build_signing_params(pkcs, tsa_url)
+      }
+
+      document.sign(io, **sign_params)
+
+      ActiveStorage::Attachment.create!(
+        blob: ActiveStorage::Blob.create_and_upload!(
+          io: StringIO.new(io.string), filename: "Audit Log - #{submission.template.name}.pdf"
+        ),
+        name: 'audit_trail',
+        record: submission
+      )
+    end
+
+    def build_audit_trail(submission)
+      account = submission.account
       verify_url = Rails.application.routes.url_helpers.settings_esign_url(**Docuseal.default_url_options)
       page_size =
         if TimeUtils.timezone_abbr(account.timezone, Time.current.beginning_of_year).in?(US_TIMEZONES)
@@ -299,24 +324,11 @@ module Submissions
 
       composer.table(events_data, cell_style: { padding: [0, 0, 12, 0], border: { width: 0 } }) if events_data.present?
 
-      io = StringIO.new
+      composer.document
+    end
 
-      composer.document.trailer.info[:Creator] = "#{Docuseal.product_name} (#{Docuseal::PRODUCT_URL})"
-
-      sign_params = {
-        reason: SIGN_REASON,
-        **Submissions::GenerateResultAttachments.build_signing_params(pkcs, tsa_url)
-      }
-
-      composer.document.sign(io, **sign_params)
-
-      ActiveStorage::Attachment.create!(
-        blob: ActiveStorage::Blob.create_and_upload!(
-          io: StringIO.new(io.string), filename: "Audit Log - #{submission.template.name}.pdf"
-        ),
-        name: 'audit_trail',
-        record: submission
-      )
+    def sign_reason
+      'Signed with DocuSeal.co'
     end
 
     def add_logo(column, _submission = nil)

lib/submissions/generate_combined_attachment.rb

@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+module Submissions
+  module GenerateCombinedAttachment
+    module_function
+
+    def call(submitter)
+      pdf = build_combined_pdf(submitter)
+
+      submission = submitter.submission
+      account = submission.account
+
+      pkcs = Accounts.load_signing_pkcs(account)
+      tsa_url = Accounts.load_timeserver_url(account)
+
+      io = StringIO.new
+
+      pdf.trailer.info[:Creator] = "#{Docuseal.product_name} (#{Docuseal::PRODUCT_URL})"
+
+      sign_params = {
+        reason: sign_reason,
+        **Submissions::GenerateResultAttachments.build_signing_params(pkcs, tsa_url)
+      }
+
+      pdf.sign(io, **sign_params)
+
+      ActiveStorage::Attachment.create!(
+        blob: ActiveStorage::Blob.create_and_upload!(
+          io: StringIO.new(io.string), filename: "#{submission.template.name}.pdf"
+        ),
+        name: 'combined_document',
+        record: submission
+      )
+    end
+
+    def build_combined_pdf(submitter)
+      pdfs_index = Submissions::GenerateResultAttachments.generate_pdfs(submitter)
+
+      audit_trail = Submissions::GenerateAuditTrail.build_audit_trail(submitter.submission)
+
+      audit_trail.dispatch_message(:complete_objects)
+
+      result = HexaPDF::Document.new
+
+      submitter.submission.template_schema.each do |item|
+        pdf = pdfs_index[item['attachment_uuid']]
+
+        pdf.dispatch_message(:complete_objects)
+
+        pdf.pages.each { |page| result.pages << result.import(page) }
+      end
+
+      audit_trail.pages.each { |page| result.pages << result.import(page) }
+
+      result
+    end
+
+    def sign_reason
+      'Signed with DocuSeal.co'
+    end
+  end
+end

lib/submissions/generate_result_attachments.rb

@@ -39,17 +39,58 @@ module Submissions
 
     # rubocop:disable Metrics
     def call(submitter)
-      cell_layouter = HexaPDF::Layout::TextLayouter.new(text_valign: :center, text_align: :center)
+      pdfs_index = generate_pdfs(submitter)
 
       template = submitter.submission.template
+      account = submitter.account
+
+      pkcs = Accounts.load_signing_pkcs(account)
+      tsa_url = Accounts.load_timeserver_url(account)
+
+      image_pdfs = []
+      original_documents = template.documents.preload(:blob)
+
+      result_attachments =
+        submitter.submission.template_schema.map do |item|
+          pdf = pdfs_index[item['attachment_uuid']]
+
+          attachment = build_pdf_attachment(pdf:, submitter:, pkcs:, tsa_url:,
+                                            uuid: item['attachment_uuid'],
+                                            name: item['name'])
+
+          image_pdfs << pdf if original_documents.find { |a| a.uuid == item['attachment_uuid'] }.image?
+
+          attachment
+        end
+
+      return result_attachments.map { |e| e.tap(&:save!) } if image_pdfs.size < 2
+
+      images_pdf =
+        image_pdfs.each_with_object(HexaPDF::Document.new) do |pdf, doc|
+          pdf.pages.each { |page| doc.pages << doc.import(page) }
+        end
+
+      images_pdf_attachment =
+        build_pdf_attachment(
+          pdf: images_pdf,
+          submitter:,
+          tsa_url:,
+          pkcs:,
+          uuid: images_pdf_uuid(original_documents.select(&:image?)),
+          name: template.name
+        )
+
+      (result_attachments + [images_pdf_attachment]).map { |e| e.tap(&:save!) }
+    end
+
+    def generate_pdfs(submitter)
+      cell_layouter = HexaPDF::Layout::TextLayouter.new(text_valign: :center, text_align: :center)
 
       is_flatten =
         submitter.account.account_configs
                  .find_or_initialize_by(key: AccountConfig::FLATTEN_RESULT_PDF_KEY).value != false
 
       account = submitter.account
-      pkcs = Accounts.load_signing_pkcs(account)
-      tsa_url = Accounts.load_timeserver_url(account)
       attachments_data_cache = {}
 
       pdfs_index = build_pdfs_index(submitter, flatten: is_flatten)
@@ -259,40 +300,7 @@ module Submissions
         end
       end
 
-      image_pdfs = []
-      original_documents = template.documents.preload(:blob)
-
-      result_attachments =
-        submitter.submission.template_schema.map do |item|
-          pdf = pdfs_index[item['attachment_uuid']]
-
-          attachment = build_pdf_attachment(pdf:, submitter:, pkcs:, tsa_url:,
-                                            uuid: item['attachment_uuid'],
-                                            name: item['name'])
-
-          image_pdfs << pdf if original_documents.find { |a| a.uuid == item['attachment_uuid'] }.image?
-
-          attachment
-        end
-
-      return result_attachments.map { |e| e.tap(&:save!) } if image_pdfs.size < 2
-
-      images_pdf =
-        image_pdfs.each_with_object(HexaPDF::Document.new) do |pdf, doc|
-          pdf.pages.each { |page| doc.pages << doc.import(page) }
-        end
-
-      images_pdf_attachment =
-        build_pdf_attachment(
-          pdf: images_pdf,
-          submitter:,
-          tsa_url:,
-          pkcs:,
-          uuid: images_pdf_uuid(original_documents.select(&:image?)),
-          name: template.name
-        )
-
-      (result_attachments + [images_pdf_attachment]).map { |e| e.tap(&:save!) }
+      pdfs_index
     end
 
     def build_pdf_attachment(pdf:, submitter:, pkcs:, tsa_url:, uuid:, name:)