5.9 added the possibility to exit a beerclub

app/controllers/memberships_controller.rb

@@ -54,10 +54,11 @@ class MembershipsController < ApplicationController
 
   # DELETE /memberships/1 or /memberships/1.json
   def destroy
+    @user = @membership.user
     @membership.destroy
 
     respond_to do |format|
-      format.html { redirect_to memberships_url, notice: "Membership was successfully destroyed." }
+      format.html { redirect_to user_path(@user), notice: "Successfully exited the group." }
       format.json { head :no_content }
     end
   end

app/views/beerclubs/show.html.erb

@@ -11,7 +11,11 @@
         <%= form.submit "Join the beer club" %>
       <% end %>
     <% else %>
-      <p>You are already in this group</p>
+      <%= form_with(model: @membership, method: :delete) do |form| %>
+        <%= form.hidden_field :beer_club_id, value: @beerclub.id %>
+        <%= form.hidden_field :user_id, value: current_user.id %>
+        <%= form.submit "End the membership" %>
+      <% end %>
     <% end %>
 
   <% else %>