Method: Devise::Mapping.find_scope!

Defined in:
lib/devise/mapping.rb

.find_scope!(obj) ⇒ Object

Receives an object and finds a scope for it. If a scope cannot be found, raises an error. If a symbol is given, it’s considered to be the scope.



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# File 'lib/devise/mapping.rb', line 35

def self.find_scope!(obj)
  obj = obj.devise_scope if obj.respond_to?(:devise_scope)
  case obj
  when String, Symbol
    return obj.to_sym
  when Class
    Devise.mappings.each_value { |m| return m.name if obj <= m.to }
  else
    Devise.mappings.each_value { |m| return m.name if obj.is_a?(m.to) }
  end

  raise "Could not find a valid mapping for #{obj.inspect}"
end