Class: Analysis::FileConversionJob

Inherits:
ApplicationJob
  • Object
show all
Defined in:
app/jobs/analysis/file_conversion_job.rb

Instance Method Summary collapse

Instance Method Details

#perform(file_id, output_format) ⇒ Object 



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# File 'app/jobs/analysis/file_conversion_job.rb', line 14

def perform(file_id, output_format)
  # Get model
  file = ModelFile.find(file_id)

  # Can we convert this format?
  raise UnsupportedFormatError unless file.convertable?(to: output_format)
  extension = Mime::EXTENSION_LOOKUP.select { |k, v| v.symbol == output_format }.keys.last

  status[:step] = "jobs.analysis.file_conversion.loading_mesh" # i18n-tasks-use t('jobs.analysis.file_conversion.loading_mesh')
  scene = file.scene

  # Manifold check for 3MF files
  # raise NonManifoldError.new if output_format == :threemf && !file.manifold?

  status[:step] = "jobs.analysis.file_conversion.exporting" # i18n-tasks-use t('jobs.analysis.file_conversion.exporting')
  new_file = ModelFile.new(
    model: file.model,
    filename: Pathname.new(file.filename).sub_ext(".#{extension}"),
    presupported: file.presupported,
    y_up: file.y_up,
    previewable: file.previewable,
    caption: file.caption,
    notes: file.notes
  )
  dedup = 0
  while new_file.exists_on_storage?
    dedup += 1
    new_file.filename = Pathname.new(file.filename).sub_ext("-#{dedup}.#{extension}")
  end
  # Save the new file into the Shrine cache, and attach
  Tempfile.create("", ModelFileUploader.find_storage(:cache).directory) do |outfile|
    scene.export(extension, outfile.path)
    new_file.attachment = ModelFileUploader.uploaded_file(
      storage: :cache,
      id: File.basename(outfile.path),
      metadata: {
        filename: new_file.filename,
        size: File.size(outfile.path)
      }
    )
  end
  # Set relationship between new file and old
  new_file.relationships << Relationship.new(subject: new_file, objekt: file, predicate: "alternative_format_of")
  # Store record in database
  new_file.save
  # Queue up file scan
  new_file.analyse_later
  # Update the UI
  file.broadcast_refresh
rescue NonManifoldError
  # Log non-manifold error as a problem, and absorb error so we don't retry
  Problem.create_or_clear(
    file,
    :non_manifold,
    true
  )
ensure
  if file
    # Mark inefficient problem resolution as no longer in progress, if it's set
    file.problems.where(category: :inefficient, in_progress: true).find_each do
      it.update(in_progress: false)
    end
  end
end