Class: Comee::Core::Util

Inherits:
Object
  • Object
show all
Defined in:
app/utils/comee/core/util.rb

Class Method Summary collapse

Class Method Details

.generate_number(clz, field, prefix, sep = nil, start = 1) ⇒ Object

This method generates document numbers with a certain prefix and a serial suffix



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# File 'app/utils/comee/core/util.rb', line 6

def self.generate_number(clz, field, prefix, sep = nil, start = 1)
  # clz_hash = {
  #   "PurchaseRequisition" => "PR",
  #   "PurchaseOrder" => "PO",
  #   "Invoice" => "IN",
  #   "SalesOrder" => "SO",
  #   "DeliveryNote" => "DN"
  # }
  clazz_name = "Comee::Core::#{clz}"
  clazz = clazz_name.constantize
  last = clazz.last

  return "#{prefix}#{sep}#{start}" unless last

  index = prefix.length
  val = last.send(field)
  pref = val.slice(0, index)
  suff = sep ? val.slice(index + 1, val.length).to_i : val.slice(index, val.length).to_i

  return "#{prefix}#{sep}#{start}" unless prefix == pref

  "#{prefix}#{sep}#{suff + 1}"
end