Tower hasMany through example

group.coffee

class App.Group extends Tower.Model
  @field 'title', type: 'String'

  @hasMany 'memberships'
  @hasMany 'users', through: 'memberships'

  @timestamps()

membership.coffee

class App.Membership extends Tower.Model
  @belongsTo 'group'
  @belongsTo 'user'

  @timestamps()

user.coffee

class App.User extends Tower.Model
  @field 'email', type: 'String'

  @hasMany 'memberships'
  @hasMany 'groups', through: 'memberships'

  @timestamps()

webConsole.js

var user = App.User.create()
user.get('groups').create();