onboarding activity

associations.rb

@@ -12,27 +12,32 @@ def migrate
 
 
 def generate_migrations
-  ActiveRecord::Migration.create_table :hotels do |t|
-    #insert our columns here
+  #Users & Hotel belong to no one => they can claim belongs_to rels
 
+  ActiveRecord::Migration.create_table :hotels do |t|
+    t.string :name, null: false
+    t.integer :room_count, default: 0
     t.timestamps null: false
   end
 
   ActiveRecord::Migration.create_table :rooms do |t|
-    #insert our columns here
-
+    t.belongs_to :hotel, index: true
+    t.integer :rate, null: false
+    t.string :location, null: false
     t.timestamps null: false
   end
 
+#owns belongs to room, user; bridge of user to room
   ActiveRecord::Migration.create_table :bookings do |t|
-    #insert our columns here
-
+    t.belongs_to :room, index: true
+    t.belongs_to :user, index: true
+    t.belongs_to :hotel, index: true
+    t.datetime :check_in
     t.timestamps null: false
   end
 
   ActiveRecord::Migration.create_table :users do |t|
-    #insert our columns here
-
+    t.string :name, null: false
     t.timestamps null: false
   end
 end
@@ -45,27 +50,34 @@ def generate_migrations
 #####  ^^ Do Not Modify ^^ ####
 
 
+#user owns rooms and bookings, and users through bookings
 class Hotel < ActiveRecord::Base
-  #insert our associations here
-
+  has_many :rooms
+  has_many :bookings, through: :rooms
+  has_many :booked_guests, through: :bookings, source: :guest
   def to_s
     "#{name} with #{rooms.count} rooms"
   end
 end
 
+#establishes connection between room and user
 class Booking < ActiveRecord::Base
-  #insert our associations here
-
+  belongs_to :guest, class_name: 'User', foreign_key: 'user_id'
+  belongs_to :room
+  belongs_to :hotel
 end
 
+#room is owned by hotel
 class Room < ActiveRecord::Base
-  #insert our associations here
-
+  belongs_to :hotel
+  has_many :bookings
+  has_many :users, through: :bookings
 end
 
+#user has many bookings, has rooms through those bookings
 class User < ActiveRecord::Base
-  #insert our associations here
-
+  has_many :bookings
+  has_many :booked_rooms, through: :bookings, source: :room
 end
 
 #DO NOT CHANGE ANYTHING BELOW THIS LINE.
@@ -74,15 +86,16 @@ def random_loc; (('a'..'e').to_a.sample) + rand(1..5).to_s; end
 
 hotel = Hotel.create!(name: "Westin", room_count: 5)
 
-5.times do 
+5.times do
   hotel.rooms << Room.create!(
     rate: [125,200,175].sample,
     location: random_loc
-  ) 
+  )
 end
 
 user = User.create!(name: "John Smith")
 room = hotel.rooms.first
+#changed attribute 'guest' to 'user'
 b = Booking.create!(guest: user, room: room, check_in: Time.now)
 
 line_sep("#{user.name} bookings")