Class: Wikipedia::VandalismDetection::Features::SameEditor

Inherits:
Base
  • Object
show all
Defined in:
lib/wikipedia/vandalism_detection/features/same_editor.rb

Overview

This feature describes whether the contributor of the new revision is the same as the editor of the old revision.

Instance Method Summary collapse

Methods inherited from Base

#count

Instance Method Details

#calculate(edit) ⇒ Object 



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# File 'lib/wikipedia/vandalism_detection/features/same_editor.rb', line 11

def calculate(edit)
  super

  old_revision = edit.old_revision

  if old_revision.contributor.blank?
    xml = Wikipedia::api_request({ prop: 'revisions', rvprop: 'user',revids: old_revision.id })
    contributor = xml.xpath('//rev/@user').text
    return Features::MISSING_VALUE if contributor.blank?

    old_revision.contributor = contributor
  end

  (old_revision.contributor == edit.new_revision.contributor) ? 1 : 0
end