From 35aa787084b19e66e64450fe2fdb2690dc640b90 Mon Sep 17 00:00:00 2001
From: Filip Stybel <filip.stybel@justcode.io>
Date: Thu, 6 Feb 2020 16:33:02 +0100
Subject: [PATCH 1/3] Install public_activity gem for create activity feed

---
 Gemfile                                       |  1 +
 Gemfile.lock                                  |  8 +++++-
 .../20200206135750_create_activities.rb       | 25 +++++++++++++++++++
 db/schema.rb                                  | 21 +++++++++++++++-
 4 files changed, 53 insertions(+), 2 deletions(-)
 create mode 100644 db/migrate/20200206135750_create_activities.rb

diff --git a/Gemfile b/Gemfile
index ef96c09..befb232 100644
--- a/Gemfile
+++ b/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'
diff --git a/Gemfile.lock b/Gemfile.lock
index 3952646..0da5764 100644
--- a/Gemfile.lock
+++ b/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
diff --git a/db/migrate/20200206135750_create_activities.rb b/db/migrate/20200206135750_create_activities.rb
new file mode 100644
index 0000000..a2b0dec
--- /dev/null
+++ b/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
diff --git a/db/schema.rb b/db/schema.rb
index 0624e12..728057d 100644
--- a/db/schema.rb
+++ b/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

From c3937019371bf6fb922fcfdabee3a5ad7348725e Mon Sep 17 00:00:00 2001
From: Filip Stybel <filip.stybel@justcode.io>
Date: Thu, 6 Feb 2020 21:50:10 +0100
Subject: [PATCH 2/3] Track activity of models

- add tracking in Project model
- add tracking in Developer model
- add tracking owner of activity
---
 app/controllers/application_controller.rb | 2 ++
 app/models/developer.rb                   | 2 ++
 app/models/project.rb                     | 2 ++
 app/models/user.rb                        | 5 +++--
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 5dde212..b9708eb 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -2,4 +2,6 @@
 
 class ApplicationController < ActionController::Base
   include Pundit
+  include PublicActivity::StoreController
+
 end
diff --git a/app/models/developer.rb b/app/models/developer.rb
index 5467101..7b2334e 100644
--- a/app/models/developer.rb
+++ b/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
diff --git a/app/models/project.rb b/app/models/project.rb
index 1ef799c..2c1ba79 100644
--- a/app/models/project.rb
+++ b/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
diff --git a/app/models/user.rb b/app/models/user.rb
index 659f19a..45f960b 100644
--- a/app/models/user.rb
+++ b/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

From 6562f3d9dfdc1f79edebe2636e3fc92755381228 Mon Sep 17 00:00:00 2001
From: Filip Stybel <filip.stybel@justcode.io>
Date: Thu, 6 Feb 2020 21:54:07 +0100
Subject: [PATCH 3/3] Add views for recorded user activity

---
 app/controllers/activities_controller.rb              | 7 +++++++
 app/views/activities/index.html.erb                   | 2 ++
 app/views/layouts/_navbar.html.erb                    | 4 ++++
 app/views/public_activity/developer/_create.html.erb  | 1 +
 app/views/public_activity/developer/_destroy.html.erb | 2 ++
 app/views/public_activity/developer/_update.html.erb  | 2 ++
 app/views/public_activity/project/_create.html.erb    | 2 ++
 app/views/public_activity/project/_destroy.html.erb   | 2 ++
 app/views/public_activity/project/_update.html.erb    | 2 ++
 config/routes.rb                                      | 1 +
 10 files changed, 25 insertions(+)
 create mode 100644 app/controllers/activities_controller.rb
 create mode 100644 app/views/activities/index.html.erb
 create mode 100644 app/views/public_activity/developer/_create.html.erb
 create mode 100644 app/views/public_activity/developer/_destroy.html.erb
 create mode 100644 app/views/public_activity/developer/_update.html.erb
 create mode 100644 app/views/public_activity/project/_create.html.erb
 create mode 100644 app/views/public_activity/project/_destroy.html.erb
 create mode 100644 app/views/public_activity/project/_update.html.erb

diff --git a/app/controllers/activities_controller.rb b/app/controllers/activities_controller.rb
new file mode 100644
index 0000000..b0081d4
--- /dev/null
+++ b/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
\ No newline at end of file
diff --git a/app/views/activities/index.html.erb b/app/views/activities/index.html.erb
new file mode 100644
index 0000000..9ba0ecc
--- /dev/null
+++ b/app/views/activities/index.html.erb
@@ -0,0 +1,2 @@
+<h1>Activities:</h1>
+<%= render_activities(@activities) %>
diff --git a/app/views/layouts/_navbar.html.erb b/app/views/layouts/_navbar.html.erb
index 32a6a4d..75fba9a 100644
--- a/app/views/layouts/_navbar.html.erb
+++ b/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"  %>
diff --git a/app/views/public_activity/developer/_create.html.erb b/app/views/public_activity/developer/_create.html.erb
new file mode 100644
index 0000000..712499d
--- /dev/null
+++ b/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>
diff --git a/app/views/public_activity/developer/_destroy.html.erb b/app/views/public_activity/developer/_destroy.html.erb
new file mode 100644
index 0000000..58a6afd
--- /dev/null
+++ b/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>
+
diff --git a/app/views/public_activity/developer/_update.html.erb b/app/views/public_activity/developer/_update.html.erb
new file mode 100644
index 0000000..a3d052c
--- /dev/null
+++ b/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>
+
diff --git a/app/views/public_activity/project/_create.html.erb b/app/views/public_activity/project/_create.html.erb
new file mode 100644
index 0000000..5594374
--- /dev/null
+++ b/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>
+
diff --git a/app/views/public_activity/project/_destroy.html.erb b/app/views/public_activity/project/_destroy.html.erb
new file mode 100644
index 0000000..58a6afd
--- /dev/null
+++ b/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>
+
diff --git a/app/views/public_activity/project/_update.html.erb b/app/views/public_activity/project/_update.html.erb
new file mode 100644
index 0000000..a3d052c
--- /dev/null
+++ b/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>
+
diff --git a/config/routes.rb b/config/routes.rb
index 36a7a4a..fcc2c5f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -5,6 +5,7 @@
 
   get 'juniors', to: 'developers#index'
   get 'projects', to: 'projects#index'
+  get 'activities', to: 'activities#index'
 
   resources :projects