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# frozen_string_literal: true
require "wicked_pdf"
module Decidim
module Exporters
# Exports a PDF using the provided hash, given a collection and a
# Serializer. This is an abstract class that should be inherited
# to create PDF exporters, with each PDF exporter class setting
# the desired template, layout and orientation.
#
class PDF < Exporter
# Public: Exports a PDF version of the collection by rendering
# the template into html and then converting it to PDF.
#
# Returns an ExportData instance.
def export
html = controller.render_to_string(
template: template,
layout: layout,
locals: locals
)
document = WickedPdf.new.pdf_from_string(html, orientation: orientation)
ExportData.new(document, "pdf")
end
# may be overwritten if needed
def orientation
"Portrait"
end
# implementing classes should return a valid ERB path here
def template
raise NotImplementedError
end
# implementing classes should return a valid ERB path here
def layout
raise NotImplementedError
end
# This method may be overwritten if the template needs more local variables
def locals
{ collection: collection }
end
protected
def controller
raise NotImplementedError
end
end
end
end
Version data entries
45 entries across 45 versions & 1 rubygems