+ def index
+ unless STATUS == :database_readonly or STATUS == :database_offline
+ session[:location] ||= OSM::IPLocation(request.env['REMOTE_ADDR'])
+ end
+ end
+
+ def permalink
+ lon, lat, zoom = ShortLink::decode(params[:code])
+ new_params = params.except(:code, :lon, :lat, :zoom, :layers, :node, :way, :relation, :changeset)
+
+ if new_params.has_key? :m
+ new_params.delete :m
+ new_params[:mlat] = lat
+ new_params[:mlon] = lon
+ end
+
+ if params.has_key? :node
+ new_params[:controller] = 'browse'
+ new_params[:action] = 'node'
+ new_params[:id] = params[:node]
+ elsif params.has_key? :way
+ new_params[:controller] = 'browse'
+ new_params[:action] = 'way'
+ new_params[:id] = params[:way]
+ elsif params.has_key? :relation
+ new_params[:controller] = 'browse'
+ new_params[:action] = 'relation'
+ new_params[:id] = params[:relation]
+ elsif params.has_key? :changeset
+ new_params[:controller] = 'browse'
+ new_params[:action] = 'changeset'
+ new_params[:id] = params[:changeset]
+ else
+ new_params[:controller] = 'site'
+ new_params[:action] = 'index'
+ end
+
+ new_params[:anchor] = "map=#{zoom}/#{lat}/#{lon}"
+
+ if params.has_key? :layers
+ new_params[:anchor] += "&layers=#{params[:layers]}"
+ end
+
+ redirect_to Hash[new_params]