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121 lines
4.2 KiB
121 lines
4.2 KiB
# frozen_string_literal: true
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module Submissions
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module GeneratePreviewAttachments
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module_function
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# rubocop:disable Metrics
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def call(submission, values_hash: nil, submitter: nil)
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values_hash ||= if submitter
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build_submitter_values_hash(submitter)
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else
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build_values_hash(submission)
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end
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configs = submission.account.account_configs.where(key: [AccountConfig::FLATTEN_RESULT_PDF_KEY,
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AccountConfig::WITH_SIGNATURE_ID])
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with_signature_id = configs.find { |c| c.key == AccountConfig::WITH_SIGNATURE_ID }&.value == true
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is_flatten = configs.find { |c| c.key == AccountConfig::FLATTEN_RESULT_PDF_KEY }&.value != false
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pdfs_index = GenerateResultAttachments.build_pdfs_index(submission, flatten: is_flatten)
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submitters = if submitter
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submission.submitters.where(id: submitter.id)
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else
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submission.submitters.where(completed_at: nil)
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end
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submitters.preload(attachments_attachments: :blob).each_with_index do |s, index|
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GenerateResultAttachments.fill_submitter_fields(s, submission.account, pdfs_index,
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with_signature_id:, is_flatten:, with_headings: index.zero?)
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end
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template = submission.template
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image_pdfs = []
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original_documents = template.documents.preload(:blob)
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result_attachments =
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(submission.template_schema || template.schema).filter_map do |item|
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pdf = pdfs_index[item['attachment_uuid']]
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next if pdf.nil?
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if original_documents.find { |a| a.uuid == item['attachment_uuid'] }.image?
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pdf = GenerateResultAttachments.normalize_image_pdf(pdf)
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image_pdfs << pdf
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end
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build_pdf_attachment(pdf:, submission:, submitter:,
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uuid: item['attachment_uuid'],
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values_hash:,
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name: item['name'])
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end
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return ApplicationRecord.no_touching { result_attachments.map { |e| e.tap(&:save!) } } if image_pdfs.size < 2
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images_pdf =
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image_pdfs.each_with_object(HexaPDF::Document.new) do |pdf, doc|
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pdf.pages.each { |page| doc.pages << doc.import(page) }
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end
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images_pdf = GenerateResultAttachments.normalize_image_pdf(images_pdf)
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images_pdf_attachment =
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build_pdf_attachment(
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pdf: images_pdf,
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submission:,
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submitter:,
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uuid: GenerateResultAttachments.images_pdf_uuid(original_documents.select(&:image?)),
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values_hash:,
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name: submission.name || template.name
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)
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ApplicationRecord.no_touching do
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(result_attachments + [images_pdf_attachment]).map { |e| e.tap(&:save!) }
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end
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end
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def build_values_hash(submission)
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Digest::MD5.hexdigest(
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submission.submitters.reduce({}) { |acc, s| acc.merge(s.values) }.to_json
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)
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end
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def build_submitter_values_hash(submitter)
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submission = submitter.submission
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Digest::MD5.hexdigest(
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submission.submitters.where.not(completed_at: nil).or(submission.submitters.where(id: submitter.id))
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.reduce({}) { |acc, s| acc.merge(s.values) }.to_json
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)
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end
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def build_pdf_attachment(pdf:, submission:, submitter:, uuid:, name:, values_hash:)
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io = StringIO.new
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begin
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pdf.write(io, incremental: true, validate: false)
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rescue HexaPDF::MalformedPDFError => e
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Rollbar.error(e) if defined?(Rollbar)
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pdf.write(io, incremental: false, validate: false)
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end
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ActiveStorage::Attachment.new(
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blob: ActiveStorage::Blob.create_and_upload!(io: io.tap(&:rewind), filename: "#{name}.pdf"),
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io_data: io.string,
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metadata: { original_uuid: uuid,
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values_hash:,
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analyzed: true,
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sha256: Base64.urlsafe_encode64(Digest::SHA256.digest(io.string)) },
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name: 'preview_documents',
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record: submitter || submission
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)
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end
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# rubocop:enable Metrics
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end
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end
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