annotate app/helpers/activities_helper.rb @ 1469:c77ab1edff6b bug_563

Close obsolete branch bug_563
author Chris Cannam
date Wed, 23 Jan 2013 14:12:47 +0000
parents 4d1a31b30987
children e19f375f9afa
rev   line source
chris@1011 1
chris@1011 2 module ActivitiesHelper
chris@1011 3
chris@1011 4 def busy_projects(events, count)
chris@1011 5 # Transform events list into hash from project id to number of
chris@1011 6 # occurrences of project in list (there is surely a tidier way
chris@1011 7 # to do this, e.g. chunk() in Ruby 1.9 but not in 1.8)
chris@1168 8 phash = events.map do |e|
chris@1168 9 e.project unless !e.respond_to?(:project)
chris@1168 10 end.select { |p| !p.nil? }.sort.group_by { |p| p.id }
chris@1011 11 phash = phash.merge(phash) { |k,v| v.length }
chris@1011 12 threshold = phash.values.sort.last(count).first
chris@1011 13 busy = phash.keys.select { |k| phash[k] >= threshold }.sample(count)
chris@1011 14 busy.map { |pid| Project.find(pid) }
chris@1011 15 end
chris@1011 16
chris@1011 17 def busy_institutions(events, count)
Chris@1013 18 authors = events.map do |e|
Chris@1013 19 e.event_author unless !e.respond_to?(:event_author)
Chris@1013 20 end.compact
Chris@1013 21 institutions = authors.map do |a|
Chris@1013 22 if a.respond_to?(:ssamr_user_detail) and !a.ssamr_user_detail.nil?
Chris@1013 23 a.ssamr_user_detail.institution_name
Chris@1013 24 end
Chris@1013 25 end
chris@1011 26 insthash = institutions.compact.sort.group_by { |i| i }
chris@1011 27 insthash = insthash.merge(insthash) { |k,v| v.length }
chris@1011 28 threshold = insthash.values.sort.last(count).first
chris@1011 29 insthash.keys.select { |k| insthash[k] >= threshold }.sample(count)
chris@1011 30 end
chris@1011 31
chris@1011 32 end