Allow changing closing date

vedia.rb

@@ -260,7 +260,22 @@ get '/admin/votes/:id' do
   erb :admin_votes
 end
 
-get '/admin/votes/:id/organizers/:user/delete' do
+post '/admin/votes/:id' do
+  require_admin
+  @vote = Vote.find(params[:id])
+  if params.has_key?('year')
+    new_expiry = TZInfo::Timezone.get(session[:timezone]).local_time(params['year'].to_i, params['month'].to_i, params['day'].to_i, params['hour'].to_i, params['minute'].to_i)
+    if (@vote.state == 'open' or @vote.state == 'closed') and new_expiry > Time.now
+      puts "change"
+      @vote.expire_on = new_expiry
+      @vote.state = 'open'
+      @vote.save
+    end
+  end
+  erb :admin_votes
+end
+
+get 'admin/votes/:id/organizers/:user/delete' do
   require_admin
   rating = Organizer.where(vote: params[:id]).where(user: params[:user]).each do |organizer|
     organizer.destroy
@@ -644,8 +659,12 @@ helpers do
     "#{TZInfo::Timezone.get(session[:timezone]).to_local(timestamp).strftime('%F')}"
   end
 
+  def format_timezone
+    session[:timezone].gsub('_', ' ')
+  end
+
   def format_date_and_time(timestamp)
-    "#{TZInfo::Timezone.get(session[:timezone]).to_local(timestamp).strftime('%F %R')} (#{session[:timezone].gsub('_', ' ')})"
+    "#{TZInfo::Timezone.get(session[:timezone]).to_local(timestamp).strftime('%F %R')} (#{format_timezone})"
   end
 
   def markdown(markdown)