else
changesets.where("false")
end
elsif @params[:bbox]
changesets = conditions_bbox(changesets, BoundingBox.from_bbox_params(params))
elsif @params[:friends] && current_user
else
changesets.where("false")
end
elsif @params[:bbox]
changesets = conditions_bbox(changesets, BoundingBox.from_bbox_params(params))
elsif @params[:friends] && current_user