Method: SectionRenderer#section_etag

Defined in:
app/presentation/section_renderer.rb

#section_etag ⇒ Object

For a given resonse type section, returns a string that will change if the rendered HTML has changed, HTTP etag style.

Output in API responses, used by partial html updater to know if a section needs to be updated on page.

tag is created by appending:

  • the progress status for the section (in progress or not)

  • The current visibility status of the section

  • Number of responses in section

  • the timestamp of most recent response in section, if any.



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# File 'app/presentation/section_renderer.rb', line 480

def section_etag
  parts = []

  parts << self.services_in_progress?.to_s
  parts << self.visible?.to_s
  parts << responses_list.length
  max = responses_list.max_by {|response| response.created_at}    
  parts << (max ? max.created_at.utc.strftime("%Y-%m-%d-%H:%M:%S") : "")

  return parts.join("_")
end