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136 lines
4.4 KiB
Ruby
136 lines
4.4 KiB
Ruby
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# frozen_string_literal: true
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# Provides methods to generate invoice references
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class InvoiceReferenceService
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class << self
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def generate_reference(invoice, date: Time.now, avoir: false)
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pattern = Setting.find_by(name: 'invoice_reference').value
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reference = replace_invoice_number_pattern(pattern, invoice)
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reference = replace_date_pattern(reference, date)
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if avoir
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# information about refund/avoir (R[text])
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reference.gsub!(/R\[([^\]]+)\]/, '\1')
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# remove information about online selling (X[text])
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reference.gsub!(/X\[([^\]]+)\]/, ''.to_s)
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else
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# information about online selling (X[text])
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if invoice.paid_with_stripe?
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reference.gsub!(/X\[([^\]]+)\]/, '\1')
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else
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reference.gsub!(/X\[([^\]]+)\]/, ''.to_s)
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end
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# remove information about refunds (R[text])
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reference.gsub!(/R\[([^\]]+)\]/, ''.to_s)
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end
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reference
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end
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def generate_order_number(invoice)
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pattern = Setting.find_by(name: 'invoice_order-nb').value
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# global invoice number (nn..nn)
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reference = pattern.gsub(/n+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices(invoice, 'global'), match.to_s.length)
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end
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reference = replace_invoice_number_pattern(reference, invoice)
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replace_date_pattern(reference, invoice.created_at)
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end
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private
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##
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# Output the given integer with leading zeros. If the given value is longer than the given
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# length, it will be truncated.
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# @param value {Integer} the integer to pad
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# @param length {Integer} the length of the resulting string.
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##
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def pad_and_truncate(value, length)
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value.to_s.rjust(length, '0').gsub(/^.*(.{#{length},}?)$/m, '\1')
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end
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##
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# Returns the number of current invoices in the given range around the current date.
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# If range is invalid or not specified, the total number of invoices is returned.
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# @param invoice {Invoice}
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# @param range {String} 'day', 'month', 'year'
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# @return {Integer}
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##
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def number_of_invoices(invoice, range)
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case range.to_s
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when 'day'
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start = DateTime.current.beginning_of_day
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ending = DateTime.current.end_of_day
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when 'month'
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start = DateTime.current.beginning_of_month
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ending = DateTime.current.end_of_month
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when 'year'
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start = DateTime.current.beginning_of_year
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ending = DateTime.current.end_of_year
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else
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return invoice.id
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end
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return Invoice.count unless defined? start && defined? ending
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Invoice.where('created_at >= :start_date AND created_at < :end_date', start_date: start, end_date: ending).length
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end
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##
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# Replace the date elements in the provided pattern with the date values, from the provided date
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# @param reference {string}
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# @param date {DateTime}
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##
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def replace_date_pattern(reference, date)
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copy = reference.dup
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# full year (YYYY)
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copy.gsub!(/YYYY(?![^\[]*\])/, date.strftime('%Y'))
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# year without century (YY)
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copy.gsub!(/YY(?![^\[]*\])/, date.strftime('%y'))
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# abbreviated month name (MMM)
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copy.gsub!(/MMM(?![^\[]*\])/, date.strftime('%^b'))
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# month of the year, zero-padded (MM)
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copy.gsub!(/MM(?![^\[]*\])/, date.strftime('%m'))
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# month of the year, non zero-padded (M)
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copy.gsub!(/M(?![^\[]*\])/, date.strftime('%-m'))
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# day of the month, zero-padded (DD)
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copy.gsub!(/DD(?![^\[]*\])/, date.strftime('%d'))
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# day of the month, non zero-padded (DD)
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copy.gsub!(/DD(?![^\[]*\])/, date.strftime('%-d'))
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copy
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end
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##
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# Replace the invoice number elements in the provided pattern with counts from the database
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# @param reference {string}
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# @param invoice {Invoice}
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##
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def replace_invoice_number_pattern(reference, invoice)
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copy = reference.dup
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# invoice number per year (yy..yy)
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copy.gsub!(/y+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices(invoice, 'year'), match.to_s.length)
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end
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# invoice number per month (mm..mm)
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copy.gsub!(/m+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices(invoice, 'month'), match.to_s.length)
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end
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# invoice number per day (dd..dd)
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copy.gsub!(/d+(?![^\[]*\])/) do |match|
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pad_and_truncate(number_of_invoices(invoice, 'day'), match.to_s.length)
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end
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copy
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end
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end
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end
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