Module: DocumentNumber::Model::ClassMethods

Defined in:
lib/document_number/has_document_number.rb

Instance Method Summary collapse

Instance Method Details

#get_numbers(quantity) ⇒ Object

Use this with your model to obtain an array of numbers

Usage: numbers = Invoice.get_numbers(100)



46
47
48
49
50
51
52
 
# File 'lib/document_number/has_document_number.rb', line 46

def get_numbers(quantity)
  Array.new(Integer(quantity)) do
    "#{document_number_options[:prefix]}#{Numerator.next_number(to_s.underscore, document_number_options)}"
  end
rescue
  []
end

#has_document_number(options = {}) ⇒ Object

Declare this in your model to automatic document number assignment

Usage: class Invoice < ActiveRecord::Base

has_document_number

end

Options: :column the column name to update. Default value is :number. :prefix the prefix for number. :start the start value for number

Use params with_number to create an object with predefined number



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/document_number/has_document_number.rb', line 23

def has_document_number(options = {})
  options.reverse_merge! :column => :number, :start => 1

  class_attribute :document_number_options
  self.document_number_options = options.dup

  method_name = "auto_increment_#{options[:column]}"

  before_create method_name
  after_initialize method_name, :if => Proc.new { with_number == true }

  define_method method_name do
    return if send(options[:column]).present?
    number = Numerator.next_number(self.class.to_s.underscore, options)
    prefix = options[:prefix].present? ? options[:prefix] : ::DocumentNumber.configuration.prefix
    write_attribute options[:column], "#{prefix}#{number}"
  end
end