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Diffstat (limited to 'app/controllers/public_body_controller.rb')
| -rw-r--r-- | app/controllers/public_body_controller.rb | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/app/controllers/public_body_controller.rb b/app/controllers/public_body_controller.rb index 518e6c77a..b6dda825c 100644 --- a/app/controllers/public_body_controller.rb +++ b/app/controllers/public_body_controller.rb @@ -6,6 +6,7 @@ # Email: hello@mysociety.org; WWW: http://www.mysociety.org/ require 'fastercsv' +require 'confidence_intervals' class PublicBodyController < ApplicationController # XXX tidy this up with better error messages, and a more standard infrastructure for the redirect to canonical URL @@ -195,6 +196,84 @@ class PublicBodyController < ApplicationController :disposition =>'attachment', :encoding => 'utf8') end + def statistics + unless AlaveteliConfiguration::public_body_statistics_page + raise ActiveRecord::RecordNotFound.new("Page not enabled") + end + + per_graph = 8 + minimum_requests = AlaveteliConfiguration::minimum_requests_for_statistics + # Make sure minimum_requests is > 0 to avoid division-by-zero + minimum_requests = [minimum_requests, 1].max + total_column = 'info_requests_count' + + @graph_list = [] + + [[total_column, + [{ + :title => 'Public bodies with the most requests', + :y_axis => 'Number of requests', + :highest => true}]], + ['info_requests_successful_count', + [{ + :title => 'Public bodies with the most successful requests', + :y_axis => 'Percentage of total requests', + :highest => true}, + { + :title => 'Public bodies with the fewest successful requests', + :y_axis => 'Percentage of total requests', + :highest => false}]], + ['info_requests_overdue_count', + [{ + :title => 'Public bodies with most overdue requests', + :y_axis => 'Percentage of requests that are overdue', + :highest => true}]], + ['info_requests_not_held_count', + [{ + :title => 'Public bodies that most frequently replied with "Not Held"', + :y_axis => 'Percentage of total requests', + :highest => true}]]].each do |column, graphs_properties| + + graphs_properties.each do |graph_properties| + + percentages = (column != total_column) + highest = graph_properties[:highest] + + data = nil + if percentages + data = PublicBody.get_request_percentages(column, + per_graph, + highest, + minimum_requests) + else + data = PublicBody.get_request_totals(per_graph, + highest, + minimum_requests) + end + + data_to_draw = { + 'id' => "#{column}-#{highest ? 'highest' : 'lowest'}", + 'x_axis' => 'Public Bodies', + 'y_axis' => graph_properties[:y_axis], + 'errorbars' => percentages, + 'title' => graph_properties[:title]} + + if data + data_to_draw.update(data) + data_to_draw['x_values'] = data['public_bodies'].each_with_index.map { |pb, i| i } + data_to_draw['x_ticks'] = data['public_bodies'].each_with_index.map { |pb, i| [i, pb.name] } + end + + @graph_list.push data_to_draw + end + end + + respond_to do |format| + format.html { render :template => "public_body/statistics" } + format.json { render :json => @graph_list } + end + end + # Type ahead search def search_typeahead # Since acts_as_xapian doesn't support the Partial match flag, we work around it |