Class: Para::Exporter::Base

Inherits:
Job::Base
  • Object
show all
Defined in:
lib/para/exporter/base.rb

Direct Known Subclasses

Table

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/para/exporter/base.rb', line 4

def model
  @model
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/para/exporter/base.rb', line 4

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/para/exporter/base.rb', line 4

def options
  @options
end

Instance Method Details

#file ⇒ Object 



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# File 'lib/para/exporter/base.rb', line 34

def file
  @file ||= GlobalID::Locator.locate(store(:file_gid))
end

#file_name ⇒ Object 



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# File 'lib/para/exporter/base.rb', line 38

def file_name
  @file_name ||= [name, extension].join
end

#perform(model_name: nil, **options) ⇒ Object 



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# File 'lib/para/exporter/base.rb', line 6

def perform(model_name: nil, **options)
  @model = model_name && model_name.constantize
  @options = options
  @name = model.try(:model_name).try(:route_key).try(:parameterize)

  # Render file and store it in a Library::File object, allowing us
  # to retrieve that file easily from the job and subsequent requests
  #
  file = Para::Library::File.new

  if file.respond_to?(:attachment?)
    file.attachment = render
  else
    file.attachment.attach(
      io: render,
      filename: file_name,
      content_type: mime_type
    )
  end

  file.save!

  store(:file_gid, file.to_global_id)

  # Ensure that `.perform_now` returns the exporter
  self
end