class User < ActiveRecord::Base
  has_many :authentications
  has_many :attendees
  has_many :distances
  has_many :events, :through => :distances
  has_many :events, :through => :attendees
  has_many :events
  belongs_to :role
  has_many :comments
end

class Event < ActiveRecord::Base
  has_event_calendar :start_at_field  => 'start', :end_at_field => 'end'
  has_many :distances
  has_many :users, :through => :distances
  belongs_to :user
  belongs_to :event_type
  has_many :attendees
  has_many :users, :through => :attendees
  has_many :comments
end


class Attendee < ActiveRecord::Base
  belongs_to :user
  belongs_to :event
  validates_uniqueness_of :user_id, :scope => :event_id
end