Chris@1464: # encoding: utf-8
Chris@1464: #
Chris@1464: # Redmine - project management software
Chris@1494: # Copyright (C) 2006-2014  Jean-Philippe Lang
Chris@1464: #
Chris@1464: # This program is free software; you can redistribute it and/or
Chris@1464: # modify it under the terms of the GNU General Public License
Chris@1464: # as published by the Free Software Foundation; either version 2
Chris@1464: # of the License, or (at your option) any later version.
Chris@1464: #
Chris@1464: # This program is distributed in the hope that it will be useful,
Chris@1464: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1464: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1464: # GNU General Public License for more details.
Chris@1464: #
Chris@1464: # You should have received a copy of the GNU General Public License
Chris@1464: # along with this program; if not, write to the Free Software
Chris@1464: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
chris@1011: 
chris@1011: module ActivitiesHelper
chris@1011: 
Chris@1464:   def sort_activity_events(events)
Chris@1464:     events_by_group = events.group_by(&:event_group)
Chris@1464:     sorted_events = []
Chris@1464:     events.sort {|x, y| y.event_datetime <=> x.event_datetime}.each do |event|
Chris@1464:       if group_events = events_by_group.delete(event.event_group)
Chris@1464:         group_events.sort {|x, y| y.event_datetime <=> x.event_datetime}.each_with_index do |e, i|
Chris@1464:           sorted_events << [e, i > 0]
Chris@1464:         end
Chris@1464:       end
Chris@1464:     end
Chris@1464:     sorted_events
Chris@1464:   end
Chris@1484: 
chris@1205:   def date_of_event(e)
chris@1205:     if e.respond_to? :updated_at
chris@1205:       e.updated_at
chris@1205:     elsif e.respond_to? :updated_on
chris@1205:       e.updated_on
chris@1205:     elsif e.respond_to? :created_on
chris@1205:       e.created_on
chris@1205:     elsif e.respond_to? :committed_on
chris@1205:       e.committed_on
chris@1205:     else
chris@1205:       nil 
chris@1205:     end
chris@1205:   end
chris@1205: 
chris@1217:   def project_activity_on_events(events)
chris@1186: 
chris@1186:     # Score each project for which there are any events, by giving
chris@1186:     # each event a score based on how long ago it was (the more recent
chris@1217:     # the better). Return a hash mapping project id to score.
chris@1186: 
chris@1186:     projhash = Hash.new
chris@1186:     
chris@1186:     events.each do |e|
chris@1186:       if e.respond_to?(:project)
chris@1186:         p = e.project
chris@1205:         d = date_of_event e
chris@1205:         if !d.nil?
chris@1205:           dd = Date.parse d.to_s
chris@1205:           age = Date.today - dd
chris@1205:           score = (age < 14 ? 15-age : 1)
chris@1205:           if projhash.key? p
chris@1205:             projhash[p] += score
chris@1205:           else
chris@1205:             projhash[p] = score
chris@1205:           end
chris@1186:         end
chris@1186:       end
chris@1186:     end
chris@1217:     projhash
chris@1217:   end
chris@1217: 
chris@1217:   def projects_by_activity(user, count)
chris@1217: 
Chris@1227:     # Return up to count of the user's project ids ordered by that user's
chris@1217:     # recent activity, omitting any projects for which no activity
Chris@1219:     # occurred in the recent past and any projects not visible to
Chris@1219:     # the current user
chris@1217: 
Chris@1219:     activity = Redmine::Activity::Fetcher.new(User.current, :author => user)
chris@1224: 
chris@1224:     # Limit scope so as to exclude issues (which non-members can add)
chris@1224:     activity.scope = [ "changesets", "files", "documents", "news", "wiki_edits", "messages", "time_entries", "publications" ]
chris@1224: 
chris@1217:     days = Setting.activity_days_default.to_i
chris@1217:     events = activity.events(Date.today - days, Date.today + 1)
chris@1217:     projhash = project_activity_on_events(events)
chris@1217:     projhash.keys.sort_by { |k| -projhash[k] }.first(count)
chris@1217:   end
chris@1217: 
chris@1217:   def render_active_colleagues(colleagues)
chris@1217: 
chris@1217:     s = ""
chris@1217: 
chris@1222:     start = Time.now
chris@1222: 
Chris@1226:     my_inst = ""
Chris@1226:     if ! User.current.ssamr_user_detail.nil?
Chris@1226:       my_inst = User.current.ssamr_user_detail.institution_name
Chris@1226:     end
Chris@1226: 
Chris@1227:     actives = Hash.new
chris@1217:     for c in colleagues
chris@1217:       u = User.find_by_id(c)
chris@1217:       active_projects = projects_by_activity(u, 3)
chris@1217:       if !active_projects.empty?
Chris@1227:         actives[c] = active_projects
Chris@1227:       end
Chris@1227:     end
Chris@1227: 
Chris@1227:     if actives.empty?
Chris@1227:       l(:label_no_active_colleagues)
Chris@1227:     else
Chris@1227: 
Chris@1227:       s << "<dl>"
Chris@1227:       for c in actives.keys.sample(10)
Chris@1227:         u = User.find_by_id(c)
chris@1224:         s << "<dt>"
Chris@1219:         s << avatar(u, :size => '24')
Chris@1219:         s << "<span class='user'>"
Chris@1219:         s << h(u.name)
chris@1217:         s << "</span>"
Chris@1219:         if !u.ssamr_user_detail.nil?
Chris@1226:           inst = u.ssamr_user_detail.institution_name
Chris@1226:           if inst != "" and inst != my_inst
Chris@1226:             s << " - <span class='institution'>"
Chris@1226:             s << h(u.ssamr_user_detail.institution_name)
Chris@1226:             s << "</span>"
Chris@1226:           end
Chris@1219:         end
chris@1224:         s << "</dt>"
chris@1224:         s << "<dd>"
Chris@1219:         s << "<span class='active'>"
Chris@1227:         s << (actives[c].map { |p| link_to_project(p) }.join ", ")
Chris@1219:         s << "</span>"
chris@1217:       end
Chris@1227:       s << "</dl>"
chris@1222: 
Chris@1227:       finish = Time.now
Chris@1227:       logger.info "render_active_colleagues: took #{finish-start}"
chris@1217:     
Chris@1330:       s.html_safe
chris@1217:     end
chris@1217:   end
chris@1217: 
chris@1217:   def busy_projects(events, count)
chris@1217: 
chris@1217:     # Return a list of count projects randomly selected from amongst
chris@1217:     # the busiest projects represented by the given activity events
chris@1217: 
chris@1217:     projhash = project_activity_on_events(events)
chris@1217: 
chris@1186:     # pick N highest values and use cutoff value as selection threshold
chris@1186:     threshold = projhash.values.sort.last(count).first
chris@1186: 
chris@1186:     # select projects above threshold and pick N from them randomly
chris@1186:     busy = projhash.keys.select { |k| projhash[k] >= threshold }.sample(count)
chris@1186: 
chris@1186:     # return projects rather than just ids
chris@1011:     busy.map { |pid| Project.find(pid) }
chris@1011:   end
chris@1011: 
chris@1011:   def busy_institutions(events, count)
Chris@1013:     authors = events.map do |e|
Chris@1013:       e.event_author unless !e.respond_to?(:event_author) 
Chris@1013:     end.compact
Chris@1013:     institutions = authors.map do |a|
Chris@1499:       if a.respond_to?(:ssamr_user_detail) and !a.ssamr_user_detail.nil? and a.ssamr_user_detail.institution_name != "none"
Chris@1013:         a.ssamr_user_detail.institution_name
Chris@1013:       end
Chris@1013:     end
chris@1011:     insthash = institutions.compact.sort.group_by { |i| i }
chris@1011:     insthash = insthash.merge(insthash) { |k,v| v.length }
chris@1011:     threshold = insthash.values.sort.last(count).first
chris@1011:     insthash.keys.select { |k| insthash[k] >= threshold }.sample(count)
chris@1011:   end
chris@1011: 
chris@1011: end