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require 'rubygems' |
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require 'sinatra' |
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require 'haml' |
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require './models' |
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require 'rack-flash' |
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set :root, File.dirname(__FILE__) |
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enable :sessions |
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use Rack::Flash |
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class String |
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def pluralize(num) |
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if num == 1 |
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return self |
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end |
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case self[-1] |
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when 'y' |
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self[0..-2] + 'ies' |
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when 's' |
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self + "es" |
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else |
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self + "s" |
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end |
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end |
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end |
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helpers do |
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# Format a number with commas for every ^3 |
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def commify(num) |
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num.to_s.reverse.gsub(/(\d\d\d)(?=\d)(?!\d*\.)/,'\1,').reverse |
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end |
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# From http://snippets.dzone.com/posts/show/593 |
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def to_ordinal(num) |
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num = num.to_i |
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if (10...20) === num |
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"#{num}th" |
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else |
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g = %w{ th st nd rd th th th th th th } |
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a = num.to_s |
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c = a[-1..-1].to_i |
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a + g[c] |
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end |
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end |
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def format_percent(num) |
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sprintf("%.0f%%", num) |
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end |
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def short_date(d) |
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d.strftime("%e %b %Y") |
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end |
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def long_date(d) |
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d.strftime("%e %B %Y") |
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end |
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# Exception for Labour/Co-operative candidacies |
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def party_name(labcoop, party_name) |
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labcoop ? "Labour and Co-operative Party" : party_name |
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end |
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end |
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get '/' do |
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@election = Election.last # most recent election |
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@election_title = "#{@election.body.name} #{@election.kind} #{long_date(@election.d)}" |
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if params[:postcode] |
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if @p = Postcode.get(params[:postcode].strip.upcase) |
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# Postcode is valid and in LB Sutton |
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if @election.body.district_name == 'constituency' |
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@district = District.get(@p.constituency_id) |
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else |
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@district = District.get(@p.ward_id) |
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end |
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flash[:notice] = "Postcode <strong>#{@postcode}</strong> is in #{@district.name} #{@election.body.district_name}" |
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if @p.polling_station |
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@ps_postcode = Postcode.get(@p.polling_station.postcode) |
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@polling_station = "Your polling station is \ |
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<a href=\"http://www.openstreetmap.org/?mlat=%s&mlon=%s&zoom=16\">%s, %s, %s</a>" \ |
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% [ @ps_postcode.lat, @ps_postcode.lng, @p.polling_station.name, \ |
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@p.polling_station.address, @p.polling_station.postcode] |
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end |
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redirect "/bodies/#{@election.body.slug}/elections/#{@election.d}/#{@election.body.districts_name}/#{@district.slug}" |
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else |
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flash.now[:error] = "<strong>#{@postcode}</strong> is not a postcode in Sutton" |
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end |
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end |
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# Display a random postcode as default search term |
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@random_pc = repository(:default).adapter.select(" |
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SELECT postcode |
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FROM postcodes |
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ORDER BY RANDOM() |
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LIMIT 1 |
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") |
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@default_pc = @random_pc[0] |
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@future_elections = Election.future |
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@past_elections = Election.past |
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haml :index |
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end |
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get '/bodies/:body/elections/:date' do |
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@body = Body.first(:slug => params[:body]) |
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@election = Election.first(:body => @body, :d => params[:date]) |
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@elections_for_this_body = Election.all(:body => @body, :order => [:d]) |
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@total_seats = Candidacy.sum(:seats, :election => @election) |
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@total_votes = Candidacy.sum(:votes, :election => @election) |
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# There's got to be a better way to do this, either with SQL or Datamapper |
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@total_districts = repository(:default).adapter.select(" |
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SELECT district_id |
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FROM candidacies |
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WHERE election_id = ? |
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GROUP BY district_id |
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ORDER BY district_id |
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", @election.id).count |
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@results_by_party = repository(:default).adapter.select(" |
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SELECT |
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p.colour, |
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p.name, |
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SUM(c.votes) AS votez, |
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SUM(c.seats) AS seatz, |
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COUNT(*) AS cands |
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FROM candidacies c |
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LEFT JOIN parties p ON p.id = c.party_id |
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WHERE c.election_id = ? |
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GROUP BY c.party_id, p.colour, p.name |
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ORDER BY seatz DESC, votez DESC |
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", @election.id) |
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# For elections that haven't yet been held |
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# @districts_in_this_election = repository(:default).adapter.select(" |
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# SELECT DISTINCT d.name, d.slug |
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# |
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# FROM candidacies c |
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# LEFT JOIN districts d |
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# ON c.district_id = d.id |
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# |
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# WHERE c.election_id = ? |
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# |
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# ORDER BY d.name |
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# ", @election.id) |
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haml :electionsummary |
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end |
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# get '/bodies/:body/elections/:date/parties/:party' do |
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# Not written yet. Show how this party did at this election. |
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# end |
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get '/bodies/:body/?' do |
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@body = Body.first(:slug => params[:body]) |
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@districts = District.all(:body => @body, :order => [:name]) |
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@elections = repository(:default).adapter.select(" |
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SELECT |
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e.id, |
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e.kind, |
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e.d, |
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SUM(p.ballot_papers_issued)::float / SUM(p.electorate) * 100 AS turnout_percent |
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FROM elections e |
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LEFT JOIN polls p |
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ON e.id = p.election_id |
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WHERE e.body_id = ? |
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GROUP BY p.election_id, e.id |
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ORDER BY e.d DESC |
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", @body.id) |
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haml :body |
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end |
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# get '/wards/:slug/postcode/:postcode/?' do |
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# @ward = Ward.first(:slug => params[:slug]) |
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# @postcode = params[:postcode] |
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# haml :wards |
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# end |
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get '/candidates/:id/?' do |
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if @deleted_candidate = DeletedCandidate.get(params[:id]) |
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redirect "/candidates/#{@deleted_candidate.candidate_id}", 302 # HTTP 302 Moved Temporarily |
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end |
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if @candidate = Candidate.get(params[:id]) |
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@candidacies = repository(:default).adapter.select(" |
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SELECT |
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e.d, |
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c.*, |
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p.name AS party_name, |
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p.colour AS party_colour, |
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b.name AS body_name, |
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b.slug AS body_slug, |
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b.districts_name AS districts_name, |
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d.name AS district_name, |
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d.slug AS district_slug |
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FROM candidacies c |
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INNER JOIN elections e |
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ON c.election_id = e.id |
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INNER JOIN parties p |
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ON c.party_id = p.id |
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INNER JOIN bodies b |
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ON e.body_id = b.id |
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INNER JOIN districts d |
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ON c.district_id = d.id |
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WHERE c.candidate_id = ? |
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ORDER BY d |
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", @candidate.id) |
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haml :candidate |
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else |
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404 |
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end |
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end |
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get '/candidates/?' do |
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@candidates = Candidate.all(:order => [ :surname, :forenames ]) |
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haml :candidates |
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end |
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get '/bodies/:body/elections/:date/:districts_name/:district' do |
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@district = District.first(:slug => params[:district]) |
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@body = Body.first(:slug => params[:body]) |
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@election = Election.first(:body => @body, :d => params[:date]) |
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@candidacies = Candidacy.all(:district => @district, :election => @election, :order => [:position]) |
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@total_votes = Candidacy.sum(:votes, :district => @district, :election => @election) |
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@total_candidates = Candidacy.count(:district => @district, :election => @election) |
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@total_seats = Candidacy.sum(:seats, :district => @district, :election => @election) |
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@districts_in_this_election = @election.candidacies.districts |
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@poll = Poll.get(@district.id, @election.id) |
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if @total_seats == 1 |
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@share_denominator = @total_votes |
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elsif @poll && @poll.valid_ballot_papers |
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@share_denominator = @poll.valid_ballot_papers |
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else |
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@share_denominator = @total_votes / @total_seats |
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@share_message = "The vote share percentages have been estimated as we don't have data for the number of valid ballot papers in this poll." |
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end |
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# Postgres: All the columns selected when using GROUP BY must either be aggregate functions or appear in the GROUP BY clause |
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@results_by_party = repository(:default).adapter.select(" |
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SELECT |
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p.name AS party_name, |
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p.colour AS party_colour, |
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COUNT(c.id) AS num_candidates, |
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SUM(c.seats) AS num_seats, |
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SUM(c.votes) AS total_votes |
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FROM candidacies c |
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LEFT JOIN parties p |
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ON c.party_id = p.id |
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WHERE c.district_id = ? |
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AND c.election_id = ? |
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GROUP BY p.name, p.colour |
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ORDER BY total_votes DESC |
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", @district.id, @election.id) |
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haml :resultsdistrict |
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end |
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get '/bodies/:body/:districts_name/:district' do |
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@district = District.first(:slug => params[:district]) |
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@body = Body.first(:slug => params[:body]) |
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haml :district |
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end |
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get '/guides/how-the-council-election-works' do |
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haml :election |
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end |
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get '/guides/how-the-parliament-election-works' do |
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haml :parliament |
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end |
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get '/error' do |
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haml :error |
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end |
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get '/guides' do |
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haml :guides |
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end |
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get '/about' do |
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haml :about |
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end |
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not_found do |
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haml :not_found |
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end |
