fix copy field to multiple pages

app/javascript/template_builder/field.vue

@@ -485,11 +485,13 @@ export default {
       const areaString = JSON.stringify(field.areas[0])
 
       this.template.documents.forEach((attachment) => {
-        attachment.preview_images.forEach((page) => {
-          if (!field.areas.find((area) => area.attachment_uuid === attachment.uuid && area.page === parseInt(page.filename))) {
-            field.areas.push({ ...JSON.parse(areaString), attachment_uuid: attachment.uuid, page: parseInt(page.filename) })
+        const numberOfPages = attachment.metadata?.pdf?.number_of_pages || attachment.preview_images.length
+
+        for (let page = 0; page <= numberOfPages - 1; page++) {
+          if (!field.areas.find((area) => area.attachment_uuid === attachment.uuid && area.page === page)) {
+            field.areas.push({ ...JSON.parse(areaString), attachment_uuid: attachment.uuid, page })
+          }
         }
-        })
       })
 
       this.$nextTick(() => {

lib/submissions/generate_result_attachments.rb

@@ -37,6 +37,7 @@ module Submissions
       account = submitter.submission.template.account
       pkcs = Accounts.load_signing_pkcs(account)
       tsa_url = Accounts.load_timeserver_url(account)
+      attachments_data_cache = {}
 
       pdfs_index = build_pdfs_index(submitter)
 
@@ -78,7 +79,9 @@ module Submissions
           when 'image', 'signature', 'initials', 'stamp'
             attachment = submitter.attachments.find { |a| a.uuid == value }
 
-            image = Vips::Image.new_from_buffer(attachment.download, '').autorot
+            attachments_data_cache[attachment.uuid] ||= attachment.download
+
+            image = Vips::Image.new_from_buffer(attachments_data_cache[attachment.uuid], '').autorot
 
             scale = [(area['w'] * width) / image.width,
                      (area['h'] * height) / image.height].min