Class: EncodedId::Rails::Salt

Inherits:
Object
  • Object
show all
Defined in:
lib/encoded_id/rails/salt.rb

Overview

Generates a unique salt for encoding IDs based on the model class name.

Instance Method Summary collapse

Constructor Details

#initialize(klass, salt) ⇒ Salt

Returns a new instance of Salt.



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# File 'lib/encoded_id/rails/salt.rb', line 13

def initialize(klass, salt)
  @klass = klass
  @salt = salt
end

Instance Method Details

#generate! ⇒ Object

Raises:

  • (::StandardError) 


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# File 'lib/encoded_id/rails/salt.rb', line 19

def generate!
  unless @klass.respond_to?(:name) && @klass.name.present?
    raise ::StandardError, "The class must have a `name` to ensure encode id uniqueness. " \
        "Please set a name on the class or override `encoded_id_salt`."
  end
  raise ::StandardError, "Encoded ID salt is invalid" if !@salt || @salt.blank? || @salt.size < 4
  "#{@klass.name}/#{@salt}"
end