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

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require 'open-uri'
class User < ActiveRecord::Base
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has_many :topics
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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attr_accessible :name, :email, :image, :password, :password_confirmation, :code, :joinedwithcode, :remember_me
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serialize :settings, UserPreference
validates_uniqueness_of :name # done by devise
validates_uniqueness_of :email # done by devise
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# This method associates the attribute ":image" with a file attachment
has_attached_file :image, :styles => {
:thumb => ['100x100>', :png],
:square => ['200x200#', :png],
:round => ['200x200#', :png]
}
#, :convert_options => {:round => Proc.new{self.convert_options}}
# Validate the attached image is image/jpg, image/png, etc
validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
def self.convert_options
trans = ''
trans << ' ( +clone -alpha extract '
trans << '-draw "fill black polygon 0,0 0,100 100,0 fill white circle 100,100 100,0" '
trans << '( +clone -flip ) -compose multiply -composite '
trans << '( +clone -flop ) -compose multiply -composite '
trans << ') -alpha off -compose copy_opacity -composite '
end
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def as_json(options={})
{ :id => self.id,
:name => self.name,
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:image => self.image.url
}
end
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if ActiveRecord::Base.connection.table_exists? 'users'
codes = ActiveRecord::Base.connection.execute("SELECT code FROM users").map {|user| user["code"] }
else
codes = []
end
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validates :joinedwithcode, :presence => true, :inclusion => { :in => codes, :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