ref: master
plugins/exchange/views/exchange_plugin_shared/_start_exchange.html.erb
<% object_id = nil unless defined?(object_id) %> <% object_type = nil unless defined?(object_type) %> <% if logged_in? %> <% url = {:controller => :exchange_plugin_profile, :action => :start_exchange, :profile => profile.identifier, :object_id => object_id, :object_type => object_type} %> <% else %> <% url = {:controller => :account, :action => :signup} %> <% end %> <%= link_to _('Start an exchange'), url, :class => 'exchange' %>