mirror of https://github.com/docusealco/docuseal
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.4 KiB
50 lines
1.4 KiB
# frozen_string_literal: true
|
|
|
|
class PreviewDocumentPageController < ActionController::API
|
|
include ActiveStorage::SetCurrent
|
|
|
|
FORMAT = Templates::ProcessDocument::FORMAT
|
|
|
|
def show
|
|
attachment_uuid = ApplicationRecord.signed_id_verifier.verified(params[:signed_uuid], purpose: :attachment)
|
|
|
|
attachment = ActiveStorage::Attachment.find_by(uuid: attachment_uuid) if attachment_uuid
|
|
|
|
return head :not_found unless attachment
|
|
|
|
preview_image = attachment.preview_images.joins(:blob).find_by(blob: { filename: "#{params[:id]}#{FORMAT}" })
|
|
|
|
return redirect_to preview_image.url, allow_other_host: true if preview_image
|
|
|
|
file_path =
|
|
if attachment.service.name == :disk
|
|
ActiveStorage::Blob.service.path_for(attachment.key)
|
|
else
|
|
find_or_create_document_tempfile_path(attachment)
|
|
end
|
|
|
|
preview_image =
|
|
Templates::ProcessDocument.generate_pdf_preview_from_file(attachment, file_path, params[:id].to_i)
|
|
|
|
redirect_to preview_image.url, allow_other_host: true
|
|
end
|
|
|
|
def find_or_create_document_tempfile_path(attachment)
|
|
file_path = "#{Dir.tmpdir}/#{attachment.uuid}"
|
|
|
|
File.open(file_path, File::RDWR | File::CREAT, 0o644) do |f|
|
|
f.flock(File::LOCK_EX)
|
|
|
|
# rubocop:disable Style/ZeroLengthPredicate
|
|
if f.size.zero?
|
|
f.binmode
|
|
|
|
f.write(attachment.download)
|
|
end
|
|
# rubocop:enable Style/ZeroLengthPredicate
|
|
end
|
|
|
|
file_path
|
|
end
|
|
end
|