start writing tests

app/models/meeting.rb

@@ -2,6 +2,8 @@ class Meeting < ApplicationRecord
 
   before_create :generate_meeting_id
 
+  validates :name, presence: true
+
   belongs_to :room
 
   # Creates a meeting on the BigBlueButton server.
@@ -11,9 +13,7 @@ class Meeting < ApplicationRecord
       logoutURL: options[:meeting_logout_url] || '',
       moderatorPW: random_password(12),
       attendeePW: random_password(12),
-      moderatorOnlyMessage: options[:moderator_message],
-      "meta_#{BigBlueHelper::META_LISTED}": false,
-      "meta_#{BigBlueHelper::META_TOKEN}": name
+      moderatorOnlyMessage: options[:moderator_message]
     }
 
     #meeting_options.merge!(

app/models/room.rb

@@ -11,7 +11,10 @@ class Room < ApplicationRecord
 
   private
 
+  # Generates a uid for the room.
   def set_uid
-    self.uid = Digest::SHA1.hexdigest(user.uid + user.provider + user.username)[0..12]
+    digest = user.id.to_s + user.provider + user.username
+    digest += user.uid unless user.uid.nil?
+    self.uid = Digest::SHA1.hexdigest(digest)[0..12]
   end
 end

app/models/user.rb

@@ -1,7 +1,23 @@
 class User < ApplicationRecord
 
+  after_create :initialize_room
+  before_save { email.downcase! }
+
   has_one :room
 
+  validates :name, length: { maximum: 24 }, presence: true
+  validates :username, presence: true
+  validates :provider, presence: true
+  validates :email, length: { maximum: 60 }, presence: true,
+                    uniqueness: { case_sensitive: false },
+                    format: {with: /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i }
+
+  validates :password, length: { minimum: 6 }, allow_nil: true
+
+  # We don't want to run the validations because they require a user
+  # to have a password. Users who authenticate via omniauth won't.
+  has_secure_password(validations: false)
+
   class << self
     
     # Generates a user from omniauth.
@@ -10,10 +26,6 @@ class User < ApplicationRecord
       user.name = send("#{auth['provider']}_name", auth)
       user.username = send("#{auth['provider']}_username", auth)
       user.email = send("#{auth['provider']}_email", auth)
-      #user.token = auth['credentials']['token']
-
-      # Create a room for the user if they don't have one.
-      user.room = Room.create unless user.room
       
       user.save!
       user
@@ -48,4 +60,11 @@ class User < ApplicationRecord
 
   end
 
+  private
+
+  # Initializes a room for the user.
+  def initialize_room
+    self.room = Room.new
+    self.save!
+  end
 end