app/views/messages/_request_friendship.html.erb
<% user = User.find(@conversation.recipient_id) %>
<div class="request_screen">
<div class="request-message">
<h4>Friend Request</h4>
<%= user.username %> sent you a friend request!<br>Accept to start chatting.
</div>
<div style="display:inline-block">
<%= link_to "Accept", friendship_path(:id => user), :method => "put", :class => "request-link" %>
<%= link_to "Decline", friendship_path(:id => user), :method => :delete, :class => "request-link" %>
</div>
</div>