Module: GeoConcerns::FileSet::Derivatives

Extended by:
ActiveSupport::Concern
Included in:
GeoFileSetBehavior
Defined in:
app/models/concerns/geo_concerns/file_set/derivatives.rb

Instance Method Summary collapse

Instance Method Details

#create_derivatives(filename) ⇒ Object 



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# File 'app/models/concerns/geo_concerns/file_set/derivatives.rb', line 6

def create_derivatives(filename)
  case geo_mime_type
  when *GeoConcerns::ImageFormatService.select_options.map(&:last)
    image_derivatives(filename)
  when *GeoConcerns::RasterFormatService.select_options.map(&:last)
    raster_derivatives(filename)
  when *GeoConcerns::VectorFormatService.select_options.map(&:last)
    vector_derivatives(filename)
  end
  super

  # Once all the derivatives are created, send a derivatives created message
  messenger.derivatives_created(self)
end

#image_derivatives(filename) ⇒ Object 



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# File 'app/models/concerns/geo_concerns/file_set/derivatives.rb', line 21

def image_derivatives(filename)
  Hydra::Derivatives::ImageDerivatives
    .create(filename, outputs: [{ label: :thumbnail,
                                  id: id,
                                  format: 'png',
                                  size: '200x150>',
                                  url: derivative_url('thumbnail') }])
end

#raster_derivatives(filename) ⇒ Object 



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# File 'app/models/concerns/geo_concerns/file_set/derivatives.rb', line 30

def raster_derivatives(filename)
  GeoConcerns::Runners::RasterDerivatives
    .create(filename, outputs: [{ input_format: geo_mime_type,
                                  label: :display_raster,
                                  id: id,
                                  format: 'tif',
                                  url: derivative_url('display_raster') },
                                { input_format: geo_mime_type,
                                  label: :thumbnail,
                                  id: id,
                                  format: 'png',
                                  size: '200x150',
                                  url: derivative_url('thumbnail') }])
end

#vector_derivatives(filename) ⇒ Object 



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# File 'app/models/concerns/geo_concerns/file_set/derivatives.rb', line 45

def vector_derivatives(filename)
  GeoConcerns::Runners::VectorDerivatives
    .create(filename, outputs: [{ input_format: geo_mime_type,
                                  label: :display_vector,
                                  id: id,
                                  format: 'zip',
                                  url: derivative_url('display_vector') },
                                { input_format: geo_mime_type,
                                  label: :thumbnail,
                                  id: id,
                                  format: 'png',
                                  size: '200x150',
                                  url: derivative_url('thumbnail') }])
end