module Hippo::Concerns::CodeIdentifier::ClassMethods

### Code Identifier Concern This adds the {#has_code_identifier} class method

Public Instance Methods

has_code_identifier( from: nil, max_length: 10 ) click to toggle source

A 2-10 character string that identifies an entity, such as a Customer, Vendor, or SKU. The code is often assigned by the user, but may also be auto-generated by {Skr::Strings.code_identifier}

@param max_length [Integer] how long the code is allowed to be @param from [Symbol], method to call for a string to base the code upon

# File lib/hippo/concerns/code_identifier.rb, line 19
def has_code_identifier( from: nil, max_length: 10 )

    validates :code, :length=>2..max_length, :presence=>true, :uniqueness=>true

    alias_attribute :record_identifier, :code

    if from
        before_validation(:on=>:create) do
            source = self[from]
            if code.blank? && !source.blank?
                self.code = Hippo::Strings.code_identifier(source, length:max_length, padding: '')
            end
        end
    end

    before_validation do
        self.code = self.code.upcase unless self.code.blank?
    end
end