From 113b61588b768ea169562b3fedbf15080e497893 Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete@docuseal.com>
Date: Thu, 20 Aug 2026 13:21:24 +0300
Subject: [PATCH] process pdf from doc

---
 app/jobs/generate_preview_images_job.rb | 17 -----------------
 lib/templates/process_document.rb       | 18 +++++++++++++-----
 2 files changed, 13 insertions(+), 22 deletions(-)
 delete mode 100644 app/jobs/generate_preview_images_job.rb

diff --git a/app/jobs/generate_preview_images_job.rb b/app/jobs/generate_preview_images_job.rb
deleted file mode 100644
index 289b5fcf..00000000
--- a/app/jobs/generate_preview_images_job.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-# frozen_string_literal: true
-
-class GeneratePreviewImagesJob
-  include Sidekiq::Job
-
-  sidekiq_options queue: :images
-
-  def perform(params = {})
-    attachment = ActiveStorage::Attachment.find(params['attachment_id'])
-
-    max_page = [attachment.metadata['pdf']['number_of_pages'].to_i - 1,
-                Templates::ProcessDocument::MAX_NUMBER_OF_PAGES_PROCESSED].min
-
-    Templates::ProcessDocument.generate_document_preview_images(attachment, attachment.download, 1..max_page,
-                                                                concurrency: 1)
-  end
-end
diff --git a/lib/templates/process_document.rb b/lib/templates/process_document.rb
index 74fdf56f..2d60665e 100644
--- a/lib/templates/process_document.rb
+++ b/lib/templates/process_document.rb
@@ -41,16 +41,24 @@ module Templates
       attachment
     end
 
-    def process(attachment, data, extract_fields: false)
+    def process(attachment, data, extract_fields: false, doc: nil)
       if attachment.content_type == PDF_CONTENT_TYPE && extract_fields && data.size < MAX_FLATTEN_FILE_SIZE
-        pdf = HexaPDF::Document.new(io: StringIO.new(data))
+        if doc
+          fields = Templates::FindPdfiumAcroFields.call(attachment, doc, data)
+        else
+          pdf = HexaPDF::Document.new(io: StringIO.new(data))
 
-        fields = Templates::FindAcroFields.call(pdf, attachment, data)
+          fields = Templates::FindAcroFields.call(pdf, attachment, data)
+        end
       end
 
-      pdf ||= HexaPDF::Document.new(io: StringIO.new(data))
+      if doc
+        number_of_pages = doc.page_count
+      else
+        pdf ||= HexaPDF::Document.new(io: StringIO.new(data))
 
-      number_of_pages = pdf.pages.size
+        number_of_pages = pdf.pages.size
+      end
 
       attachment.metadata['pdf'] ||= {}
       attachment.metadata['pdf']['number_of_pages'] = number_of_pages