+ validates :display_name, :presence => true, :allow_nil => true, :length => 3..255,
+ :exclusion => %w[new terms save confirm confirm-email go_public reset-password forgot-password suspended]
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :uniqueness => { :case_sensitive => false }
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :format => { :with => %r{\A[^\x00-\x1f\x7f\ufffe\uffff/;.,?%#]*\z} }
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :format => { :with => /\A\S/, :message => "has leading whitespace" }
+ validates :display_name, :if => proc { |u| u.display_name_changed? },
+ :format => { :with => /\S\z/, :message => "has trailing whitespace" }
+ validates :email, :presence => true, :confirmation => true
+ validates :email, :if => proc { |u| u.email_changed? },
+ :uniqueness => { :case_sensitive => false }
+ validates :pass_crypt, :confirmation => true, :length => 8..255
+ validates :home_lat, :home_lon, :allow_nil => true, :numericality => true
+ validates :home_zoom, :allow_nil => true, :numericality => { :only_integer => true }
+ validates :preferred_editor, :inclusion => Editors::ALL_EDITORS, :allow_nil => true
+ validates :image, :attachment_content_type => { :content_type => %r{\Aimage/.*\Z} }
+ validates :auth_uid, :unless => proc { |u| u.auth_provider.nil? },
+ :uniqueness => { :scope => :auth_provider }