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# frozen_string_literal: true
module FFaker
module CompanyIT
extend ModuleUtils
extend self
PREFIXES = ['Studio Legale', 'Studio Tecnico', 'Laboratorio'].freeze
SUFFIXES = %w[S.p.a. s.r.l. s.n.c. Avvocati Architetti Ingegneri].freeze
def name
case rand(0..2)
when 0 then "#{NameIT.last_name} #{suffix}"
when 1 then "#{NameIT.last_name} e #{NameIT.last_name} #{suffix}"
when 2 then "#{prefix} #{NameIT.last_name}"
end
end
def suffix
fetch_sample(SUFFIXES)
end
def prefix
fetch_sample(PREFIXES)
end
# Calculated using the algorithm at https://it.wikipedia.org/wiki/Partita_IVA
# to return a valid Partita IVA (Italian VAT number)
# @return a valid Italian VAT number (Partita IVA)
def partita_iva
matricola = Array.new(7) { rand(0..9) }
office_code = fetch_sample(PIVA_OFFICE_CODES)
base = matricola + office_code.chars.map(&:to_i)
# Thanks https://stackoverflow.com/a/9189731/1627766
sum = base.reverse.each_slice(2).flat_map do |x, y = 0|
[(x * 2).divmod(10), y]
end.flatten.sum
control_digit = (10 - (sum % 10)) % 10
(base << control_digit).join
end
end
end
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