metamaps--metamaps/app/models/user.rb

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require 'open-uri'
class User < ActiveRecord::Base
has_many :topics
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has_many :synapses
has_many :maps
has_many :mappings
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before_create :generate_code
devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable
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serialize :settings, UserPreference
validates_uniqueness_of :name # done by devise
validates_uniqueness_of :email # done by devise
validates :joinedwithcode, :presence => true, :inclusion => { :in => User.all.map(&:code), :message => "%{value} is not a valid code" }, :on => :create
def generate_code
#generate a random 8 letter/digit code that they can use to invite people
self.code = rand(36**8).to_s(36)
end
def settings
# make sure we always return a UserPreference instance
if read_attribute(:settings).nil?
write_attribute :settings, UserPreference.new
read_attribute :settings
else
read_attribute :settings
end
end
def settings=(val)
write_attribute :settings, val
end
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end