view app/helpers/activities_helper.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

module ActivitiesHelper

  def busy_projects(events, count)
    # Transform events list into hash from project id to number of
    # occurrences of project in list (there is surely a tidier way
    # to do this, e.g. chunk() in Ruby 1.9 but not in 1.8)
    phash = events.map { |e| e.project unless !e.respond_to?(:project) }.sort.group_by { |p| p.id }
    phash = phash.merge(phash) { |k,v| v.length }
    threshold = phash.values.sort.last(count).first
    busy = phash.keys.select { |k| phash[k] >= threshold }.sample(count)
    busy.map { |pid| Project.find(pid) }
  end

  def busy_institutions(events, count)
    authors = events.map do |e|
      e.event_author unless !e.respond_to?(:event_author) 
    end.compact
    institutions = authors.map do |a|
      if a.respond_to?(:ssamr_user_detail) and !a.ssamr_user_detail.nil?
        a.ssamr_user_detail.institution_name
      end
    end
    insthash = institutions.compact.sort.group_by { |i| i }
    insthash = insthash.merge(insthash) { |k,v| v.length }
    threshold = insthash.values.sort.last(count).first
    insthash.keys.select { |k| insthash[k] >= threshold }.sample(count)
  end

end