Trying to extend PublicActivity::Activity, as per https://github.com/chaps-io/public_activity/issues/219

_like.html.erb

# If I debug here and execute the code on activity.rb manually, it works
<i class="fa fa-heart-o"> <%= @notification.activity.likes.count %></i>

activity.rb

PublicActivity::Activity.class_eval do
  has_many :notifications, dependent: :destroy
  has_many :likes dependent: :destroy

  default_scope { order("created_at DESC") }

  acts_as_commentable
  
# ...

end

error

NoMethodError in Notifications#index
Showing /Users/max/Sites/beek_core/app/views/likes/_like.html.erb where line #7 raised:

undefined method `likes' for #<PublicActivity::Activity:0x007fce28923be8>

          
    </div>
    <div class="like-actions col-xs-12 ">
      <%= button_tag class: "btn btn-clear" do %>
        <i class="fa fa-heart-o"> <%= activity.likes.count %></i>
      <% end %>
    </div>
  

Trace of template inclusion: app/views/likes/_like_form.html.erb, app/views/likes/_likes.html.erb, app/views/public_activity/requote/_create.html.erb, app/views/notifications/index.html.erb

Application Trace | Framework Trace | Full Trace
app/views/likes/_like.html.erb:7:in `block (2 levels) in _app_views_likes__like_html_erb__960950172323955188_70261669470140'
app/views/likes/_like.html.erb:6:in `block in _app_views_likes__like_html_erb__960950172323955188_70261669470140'
app/views/likes/_like.html.erb:1:in `_app_views_likes__like_html_erb__960950172323955188_70261669470140'
app/views/likes/_like_form.html.erb:6:in `_app_views_likes__like_form_html_erb___3672910560343865564_70261711519500'
app/views/likes/_likes.html.erb:2:in `_app_views_likes__likes_html_erb__1170604903718584864_70261711484200'
app/views/public_activity/requote/_create.html.erb:21:in `_app_views_public_activity_requote__create_html_erb___283162167780977135_70261705374400'
app/views/notifications/index.html.erb:9:in `_app_views_notifications_index_html_erb__93827823533085397_70261702907180'
Request

Parameters:

None

Headers:

None

notification.rb

Notification < ActiveRecord::Base
  belongs_to :activity, class_name: "::PublicActivity::Activity"
end