Introduce an association between User and Event

Introduce an association between User and Event for the user schedule. As there was already a relation call users in Event the new relation is called public_users. And for the same reason the relation in Event is called public_events.

app/models/event.rb

@@ -22,8 +22,11 @@ class Event < ActiveRecord::Base
   belongs_to :difficulty_level
   belongs_to :program
 
+  has_and_belongs_to_many :favourite_users, class_name: 'User'
+
   accepts_nested_attributes_for :event_users, allow_destroy: true
   accepts_nested_attributes_for :users
+  accepts_nested_attributes_for :favourite_users
 
   before_create :generate_guid
 

app/models/user.rb

@@ -49,6 +49,9 @@ class User < ActiveRecord::Base
   has_many :votes, dependent: :destroy
   has_many :voted_events, through: :votes, source: :events
   has_many :subscriptions, dependent: :destroy
+
+  has_and_belongs_to_many :favourite_events, class_name: 'Event'
+
   accepts_nested_attributes_for :roles
 
   scope :admin, -> { where(is_admin: true) }

db/migrate/20160811143427_create_events_users.rb

@@ -0,0 +1,8 @@
+class CreateEventsUsers < ActiveRecord::Migration
+  def change
+    create_table :events_users, id: false do |t|
+      t.references :event
+      t.references :user
+    end
+  end
+end

db/schema.rb

@@ -243,6 +243,11 @@ ActiveRecord::Schema.define(version: 20170213145807) do
     t.datetime "created_at"
   end
 
+  create_table "events_users", id: false, force: :cascade do |t|
+    t.integer "event_id"
+    t.integer "user_id"
+  end
+
   create_table "lodgings", force: :cascade do |t|
     t.string   "name"
     t.text     "description"