add download combined pdf button

app/controllers/submissions_debug_controller.rb

@@ -16,13 +16,16 @@ class SubmissionsDebugController < ApplicationController
         render 'submit_form/show'
       end
       f.pdf do
+        result =
           if params[:audit]
             Submissions::GenerateAuditTrail.call(@submitter.submission)
+          elsif params[:combined]
+            Submissions::GenerateCombinedAttachment.call(@submitter)
           else
             Submissions::GenerateResultAttachments.call(@submitter)
           end
 
-        send_data ActiveStorage::Attachment.where(name: params[:audit] ? :audit_trail : :documents).last.download,
+        send_data Array.wrap(result).first.download,
                   filename: 'debug.pdf',
                   disposition: 'inline',
                   type: 'application/pdf'

app/controllers/submissions_download_controller.rb

@@ -33,8 +33,18 @@ class SubmissionsDownloadController < ApplicationController
       return head :not_found
     end
 
+    if params[:combined]
+      url = build_combined_url(submitter)
+
+      if url
+        render json: [url]
+      else
+        head :not_found
+      end
+    else
       render json: build_urls(last_submitter)
     end
+  end
 
   private
 
@@ -47,4 +57,14 @@ class SubmissionsDownloadController < ApplicationController
       ActiveStorage::Blob.proxy_url(attachment.blob, expires_at: FILES_TTL.from_now.to_i)
     end
   end
+
+  def build_combined_url(submitter)
+    return if submitter.submission.submitters.exists?(completed_at: nil)
+    return if submitter.submission.submitters.order(:completed_at).last != submitter
+
+    attachment = submitter.submission.combined_document_attachment
+    attachment ||= Submissions::GenerateCombinedAttachment.call(submitter)
+
+    ActiveStorage::Blob.proxy_url(attachment.blob, expires_at: FILES_TTL.from_now.to_i)
+  end
 end

app/models/submission.rb

@@ -52,6 +52,7 @@ class Submission < ApplicationRecord
   attribute :slug, :string, default: -> { SecureRandom.base58(14) }
 
   has_one_attached :audit_trail
+  has_one_attached :combined_document
 
   has_many :template_schema_documents,
            ->(e) { where(uuid: (e.template_schema.presence || e.template.schema).pluck('attachment_uuid')) },

app/views/icons/_chevron_down.html.erb

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="<%= local_assigns[:class] %>" width="44" height="44" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round">
+  <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+  <path d="M6 9l6 6l6 -6" />
+</svg>

app/views/submissions/show.html.erb

@@ -14,7 +14,9 @@
         </a>
       <% end %>
       <% if last_submitter = @submission.submitters.to_a.select(&:completed_at?).max_by(&:completed_at) %>
-        <download-button data-src="<%= submitter_download_index_path(last_submitter.slug, { sig: params[:sig] }.compact) %>" class="base-button">
+        <% is_all_completed = @submission.submitters.to_a.all?(&:completed_at?) %>
+        <div class="join relative">
+          <download-button data-src="<%= submitter_download_index_path(last_submitter.slug, { sig: params[:sig] }.compact) %>" class="base-button <%= '!rounded-r-none !pr-2' if is_all_completed %>">
             <span class="flex items-center justify-center space-x-2" data-target="download-button.defaultButton">
               <%= svg_icon('download', class: 'w-6 h-6') %>
               <span class="hidden md:inline">Download</span>
@@ -24,6 +26,30 @@
               <span class="hidden md:inline">Downloading</span>
             </span>
           </download-button>
+          <% if is_all_completed %>
+            <div class="dropdown dropdown-end">
+              <label tabindex="0" class="base-button !rounded-l-none !pl-1 !pr-2 !border-l-neutral-500">
+                <span class="text-sm align-text-top">
+                  <%= svg_icon('chevron_down', class: 'w-6 h-6 flex-shrink-0 stroke-2') %>
+                </span>
+              </label>
+              <ul tabindex="0" class="z-10 dropdown-content p-2 mt-2 shadow menu text-base bg-base-100 rounded-box text-right">
+                <li>
+                  <download-button data-src="<%= submitter_download_index_path(last_submitter.slug, { sig: params[:sig], combined: true }.compact) %>" class="flex items-center">
+                    <span class="flex items-center justify-center space-x-2" data-target="download-button.defaultButton">
+                      <%= svg_icon('download', class: 'w-6 h-6 flex-shrink-0') %>
+                      <span class="whitespace-nowrap">Download combined PDF</span>
+                    </span>
+                    <span class="flex items-center justify-center space-x-2 hidden" data-target="download-button.loadingButton">
+                      <%= svg_icon('loader', class: 'w-6 h-6 animate-spin') %>
+                      <span>Downloading</span>
+                    </span>
+                  </download-button>
+                </li>
+              </ul>
+            </div>
+          <% end %>
+        </div>
       <% elsif @submission.submitters.to_a.size == 1 %>
         <%= render 'shared/clipboard_copy', text: start_form_url(slug: @submission.template.slug), class: 'base-button', icon_class: 'w-6 h-6 text-white', copy_title: 'Copy Share Link', copied_title: 'Copied to Clipboard' %>
       <% end %>
@@ -77,7 +103,7 @@
       <% submitter_field_counters = Hash.new { 0 } %>
       <% (@submission.template_submitters || @submission.template.submitters).each_with_index do |item, index| %>
         <% submitter = @submission.submitters.find { |e| e.uuid == item['uuid'] } %>
-        <div class="sticky -top-1 bg-base-100 pt-1 -mt-1 z-10">
+        <div class="sticky -top-1 bg-base-100 pt-1 -mt-1">
           <div class="border border-base-300 rounded-md px-2 py-1 mb-1">
             <div class="flex items-center space-x-1">
               <span class="mx-1 w-3 h-3 rounded-full <%= colors[index] %>"></span>

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.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)
+      composer.document
+    end
 
-      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:)