anchor.diff:      <%= f.hidden_field :dinner_id, value: @dinner.id %>
       <%= f.submit "Invite" %>
     <% end %>
  +  <br>
   <% end %>
   Attending: <%= @dinner.accepted_invitations.count %>
     <ul>
  
positive.code: <% end %>
  
  <h3>Courses: <%= @dinner.courses.count %></h3>
  <%if @user.has_drink_course_privalege(@dinner)%>
    <%=form_for @course do |f|%>
      <%=f.hidden_field :dinner_id, :value=>@dinner.id %>
  
negative.code:     <%=f.submit 'Add Course'%>
    <%end%>
  <%end%>
  <h3> Drinks: </h3>
  <ul>
    <%@dinner.drinks.each do |drink|%>
    <li>
      <%=drink.user.name%> is bringing <%=drink.quantity.to_s%> <%if drink.quantity > 1 %> bottles <%else%>bottle <%end%> of <%=drink.drink_type%>.
      <%if drink.user.id == session[:user_id] && @user.has_drink_course_privalege(@dinner)%>
        <%=button_to 'Delete your drink!', "/drinks/#{drink.id}", method: :delete, class: "delete_button"%>
      <%end%>
    </li>
    <%end%>
  </ul>
  <%if @user.has_drink_course_privalege(@dinner)%>
    <%=form_for @drink do |f|%>
      <%=f.hidden_field :dinner_id, :value=>@dinner.id %>
  