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