#406 Public Activity

Feb 13, 2013 | 10 minutes | Active Record, Plugins

Learn how to easily add a user activity feed using the public_activity gem. Here I show both the default setup using model callbacks and a manual way to trigger activities.

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Resources

public_activity

          terminal
        
rails g public_activity:migration
rake db:migrate
rails g controller activities index

          Gemfile
        
gem 'public_activity'

          models/recipe.rb
        
include PublicActivity::Model
tracked owner: ->(controller, model) { controller && controller.current_user }

          application_controller.rb
        
include PublicActivity::StoreController
# ...
hide_action :current_user

          activities_controller.rb
        
def index
  @activities = PublicActivity::Activity.order("created_at desc").where(owner_id: current_user.friend_ids, owner_type: "User")
end

          activites/index.html.erb
        
<% @activities.each do |activity| %>
  <div class="activity">
    <%= link_to activity.owner.name, activity.owner if activity.owner %>
    <%= render_activity activity %>
  </div>
<% end %>

          views/public_activity/recipe/_create.html.erb
        
added a recipe

<% if activity.trackable %>
  <%= link_to activity.trackable.name, activity.trackable %>
<% else %>
  which has since been removed
<% end %>

Manually Create Activities

          models/comment.rb
        
include PublicActivity::Common
# tracked except: :update, owner: ->(controller, model) { controller && controller.current_user }

          comments_controller.rb
        
@comment.create_activity :create, owner: current_user