Add activity feed

Gemfile

@@ -23,6 +23,7 @@ gem 'devise'
 gem 'omniauth-github'
 gem "octokit", "~> 4.0"
 gem "pundit"
+gem 'public_activity'
 
 group :development, :test do
   gem 'pry-rails'

Gemfile.lock

@@ -147,6 +147,11 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
+    public_activity (1.6.4)
+      actionpack (>= 3.0.0)
+      activerecord (>= 3.0)
+      i18n (>= 0.5.0)
+      railties (>= 3.0.0)
     public_suffix (4.0.1)
     puma (3.12.1)
     pundit (2.1.0)
@@ -270,6 +275,7 @@ DEPENDENCIES
   omniauth-github
   pg (>= 0.18, < 2.0)
   pry-rails
+  public_activity
   puma (~> 3.11)
   pundit
   rails (~> 5.2.3)
@@ -286,4 +292,4 @@ RUBY VERSION
    ruby 2.6.0p0
 
 BUNDLED WITH
-   1.17.2
+   1.17.3

app/controllers/activities_controller.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class ActivitiesController < ApplicationController
+  def index
+    @activities = PublicActivity::Activity.includes(:owner).order(created_at: :desc).limit(20)
+  end
+end

app/controllers/application_controller.rb

@@ -2,4 +2,6 @@
 
 class ApplicationController < ActionController::Base
   include Pundit
+  include PublicActivity::StoreController
+
 end

app/models/developer.rb

@@ -1,4 +1,6 @@
 # frozen_string_literal: true
 
 class Developer < ApplicationRecord
+  include PublicActivity::Model
+  tracked owner: proc { |controller, _model| controller.current_user }
 end

app/models/project.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class Project < ApplicationRecord
+  include PublicActivity::Model
+  tracked owner: proc { |controller, _model| controller.current_user }
   validates :name, presence: true
 
   belongs_to :user

app/models/user.rb

@@ -6,9 +6,10 @@ class User < ApplicationRecord
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :validatable,
          :omniauthable
-         
+
   has_many :projects
-
+  has_many :activities, as: :owner, class_name: 'PublicActivity::Activity'
+
   validates :role, presence: true, inclusion: { in: ROLES }
 
   enum role: ROLES

app/views/activities/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Activities:</h1>
+<%= render_activities(@activities) %>

app/views/layouts/_navbar.html.erb

@@ -14,6 +14,10 @@
       <li class="nav-item">
         <a class="nav-link" href="/projects">Projects</a>
       </li>
+
+      <li class="nav-item">
+        <a class="nav-link" href="/activities">Activities</a>
+      </li>
       <li class="nav-item">
         <% if user_signed_in? %>
           <%= link_to 'Sign Out', destroy_user_session_path, method: :delete, class: "nav-link"  %>

app/views/public_activity/developer/_create.html.erb

@@ -0,0 +1 @@
+<p><strong><%= a.owner.nickname %></strong> created a new <%= link_to a.trackable_type.downcase, a.trackable %></p>

app/views/public_activity/developer/_destroy.html.erb

@@ -0,0 +1,2 @@
+<p><strong><%= a.owner.nickname %></strong> destroyed a <%= link_to a.trackable_type.downcase, a.trackable %></p>
+

app/views/public_activity/developer/_update.html.erb

@@ -0,0 +1,2 @@
+<p><strong><%= a.owner.nickname %></strong> updated a <%= link_to a.trackable_type.downcase, a.trackable %></p>
+

app/views/public_activity/project/_create.html.erb

@@ -0,0 +1,2 @@
+<p><strong><%= a.owner.nickname %></strong> created a new <%= link_to a.trackable_type.downcase, a.trackable %></p>
+

app/views/public_activity/project/_destroy.html.erb

@@ -0,0 +1,2 @@
+<p><strong><%= a.owner.nickname %></strong> destroyed a <%= link_to a.trackable_type.downcase, a.trackable %></p>
+

app/views/public_activity/project/_update.html.erb

@@ -0,0 +1,2 @@
+<p><strong><%= a.owner.nickname %></strong> updated a <%= link_to a.trackable_type.downcase, a.trackable %></p>
+

config/routes.rb

@@ -5,6 +5,7 @@
 
   get 'juniors', to: 'developers#index'
   get 'projects', to: 'projects#index'
+  get 'activities', to: 'activities#index'
 
   resources :projects
 

db/migrate/20200206135750_create_activities.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+# Migration responsible for creating a table with activities
+class CreateActivities < (ActiveRecord.version.release() < Gem::Version.new('5.2.0') ? ActiveRecord::Migration : ActiveRecord::Migration[5.2])
+  # Create table
+  def self.up
+    create_table :activities do |t|
+      t.belongs_to :trackable, :polymorphic => true
+      t.belongs_to :owner, :polymorphic => true
+      t.string  :key
+      t.text    :parameters
+      t.belongs_to :recipient, :polymorphic => true
+
+      t.timestamps
+    end
+
+    add_index :activities, [:trackable_id, :trackable_type]
+    add_index :activities, [:owner_id, :owner_type]
+    add_index :activities, [:recipient_id, :recipient_type]
+  end
+  # Drop table
+  def self.down
+    drop_table :activities
+  end
+end

db/schema.rb

@@ -10,11 +10,30 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_10_05_194627) do
+ActiveRecord::Schema.define(version: 2020_02_06_135750) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "activities", force: :cascade do |t|
+    t.string "trackable_type"
+    t.bigint "trackable_id"
+    t.string "owner_type"
+    t.bigint "owner_id"
+    t.string "key"
+    t.text "parameters"
+    t.string "recipient_type"
+    t.bigint "recipient_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["owner_id", "owner_type"], name: "index_activities_on_owner_id_and_owner_type"
+    t.index ["owner_type", "owner_id"], name: "index_activities_on_owner_type_and_owner_id"
+    t.index ["recipient_id", "recipient_type"], name: "index_activities_on_recipient_id_and_recipient_type"
+    t.index ["recipient_type", "recipient_id"], name: "index_activities_on_recipient_type_and_recipient_id"
+    t.index ["trackable_id", "trackable_type"], name: "index_activities_on_trackable_id_and_trackable_type"
+    t.index ["trackable_type", "trackable_id"], name: "index_activities_on_trackable_type_and_trackable_id"
+  end
+
   create_table "developers", force: :cascade do |t|
     t.string "name"
     t.datetime "created_at", null: false