redo rooms page

app/models/room.rb

@@ -1,10 +1,13 @@
 class Room < ApplicationRecord
 
-  before_create :generate_uids
+  before_create :setup
+
+  validates :name, presence: true
 
   belongs_to :user
   has_one :meeting
 
+  ROOM_ICONS = %w(circle star certificate play cloud heart square bookmark cog)
   RETURNCODE_SUCCESS = "SUCCESS"
 
   def to_param
@@ -116,9 +119,11 @@ class Room < ApplicationRecord
   end
 
   # Generates a uid for the room and BigBlueButton.
-  def generate_uids
-    self.uid = [user.firstname, (0...8).map { (65 + rand(26)).chr }.join].join('-')
+  def setup
+    self.uid = [user.firstname, (0...8).map { (65 + rand(26)).chr }.join].join('-').downcase
     self.bbb_id = Digest::SHA1.hexdigest(Rails.application.secrets[:secret_key_base] + Time.now.to_i.to_s).to_s
+
+    self.icon = ROOM_ICONS.sample
   end
 
   # Rereives the loadbalanced BigBlueButton credentials for a user.

app/models/user.rb

@@ -1,12 +1,12 @@
 class User < ApplicationRecord
 
-  after_create :initialize_room
+  after_create :initialize_main_room
   before_save { email.downcase! unless email.nil? }
 
   has_many :rooms
+  belongs_to :main_room, class_name: 'Room', foreign_key: :room_id, required: false
 
   validates :name, length: { maximum: 24 }, presence: true
-  validates :username, presence: true
   validates :provider, presence: true
   validates :email, length: { maximum: 60 }, allow_nil: true,
                     uniqueness: { case_sensitive: false },
@@ -27,6 +27,7 @@ class User < ApplicationRecord
       user.username = send("#{auth['provider']}_username", auth)
       user.email = send("#{auth['provider']}_email", auth)
       user.image = send("#{auth['provider']}_image", auth)
+
       user.save!
       user
     end
@@ -88,7 +89,8 @@ class User < ApplicationRecord
   private
 
   # Initializes a room for the user.
-  def initialize_room
-    Room.create(user_id: self.id, name: firstname + "'s Room")
+  def initialize_main_room
+    self.main_room = Room.create!(user: self, name: firstname + "'s Room")
+    self.save
   end
 end