notebook/app/models/user.rb
2017-01-21 16:20:59 +00:00

59 lines
1.7 KiB
Ruby

require 'digest/md5'
##
# a person using the Notebook.ai web application. Owns all other content.
class User < ActiveRecord::Base
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :trackable, :validatable
include HasContent
validates :email, presence: true
#todo: We probably want a uniqueness constraint on email
# as_json creates a hash structure, which you then pass to ActiveSupport::json.encode to actually encode the object as a JSON string.
# This is different from to_json, which converts it straight to an escaped JSON string,
# which is undesireable in a case like this, when we want to modify it
def as_json(options={})
options[:except] ||= blacklisted_attributes
super(options)
end
# Returns this object as an escaped JSON string
def to_json(options={})
options[:except] ||= blacklisted_attributes
super(options)
end
def to_xml(options={})
options[:except] ||= blacklisted_attributes
super(options)
end
def name
self[:name].blank? && self.persisted? ? 'Anonymous author' : self[:name]
end
def image_url(size=80)
email_md5 = Digest::MD5.hexdigest(email.downcase)
# 80px is Gravatar's default size
"https://www.gravatar.com/avatar/#{email_md5}?d=identicon&s=#{size}".html_safe
end
private
# Attributes that are non-public, and should be blacklisted from any public
# export (ex. in the JSON api, or SEO meta info about the user)
def blacklisted_attributes
[
:password_digest,
:old_password,
:encrypted_password,
:reset_password_token,
:email
]
end
end