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optimize for large files

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DocuSeal
2023-10-22 01:54:20 +03:00
parent c639a3f733
commit ce39494f84
19 changed files with 206 additions and 32 deletions
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app/views/submit_form/show.html.erb
+6 -2
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@@ -1,6 +1,7 @@
<% fields_index = Templates.build_field_areas_index(@submitter.submission.template_fields || @submitter.submission.template.fields) %>
<% values = @submitter.submission.submitters.reduce({}) { |acc, sub| acc.merge(sub.values) } %>
<% attachments_index = ActiveStorage::Attachment.where(record: @submitter.submission.submitters, name: :attachments).preload(:blob).index_by(&:uuid) %>
<% page_blob_struct = Struct.new(:url, :metadata, keyword_init: true) %>
<div style="max-height: -webkit-fill-available;">
<div id="scrollbox">
<div class="mx-auto block pb-72" style="max-width: 1000px">
@@ -10,9 +11,12 @@
<% (@submitter.submission.template_schema || @submitter.submission.template.schema).each do |item| %>
<% document = @submitter.submission.template_schema_documents.find { |a| a.uuid == item['attachment_uuid'] } %>
<% document_annots_index = document.metadata.dig('pdf', 'annotations')&.group_by { |e| e['page'] } || {} %>
<% document.preview_images.sort_by { |a| a.filename.base.to_i }.each_with_index do |page, index| %>
<% preview_images_index = document.preview_images.loaded? ? document.preview_images.index_by { |e| e.filename.base.to_i } : {} %>
<% lazyload_metadata = document.preview_images.last.metadata %>
<% (document.metadata.dig('pdf', 'number_of_pages') || (document.preview_images.loaded? ? preview_images_index.size : document.preview_images.size)).times do |index| %>
<% page = preview_images_index[index] || page_blob_struct.new(metadata: lazyload_metadata, url: preview_document_page_path(document.uuid, "#{index}.jpg")) %>
<div class="relative my-4 shadow-md">
<img src="<%= page.url %>" width="<%= page.metadata['width'] %>" height="<%= page.metadata['height'] %>" loading="lazy">
<img loading="lazy" src="<%= page.url %>" width="<%= page.metadata['width'] %>" height="<%= page.metadata['height'] %>">
<div id="page-<%= [document.uuid, index].join('-') %>" class="top-0 bottom-0 left-0 right-0 absolute">
<% document_annots_index[index]&.each do |annot| %>
<%= render 'submissions/annotation', annot: %>