18 lines
648 B
Ruby
18 lines
648 B
Ruby
module InvoiceHelper
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SEPA_SEQUENCE_TYPES = {
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FRST: "Erst-Lastschrift",
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RCUR: "Folge-Lastschrift",
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OOFF: "Einmalige Lastschrift",
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FNAL: "Letztmalige Lastschrift"
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}.freeze
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def generate_invoice_number(instance, count)
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trailing_number = count.to_s.rjust(4, '0')
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if GroupOrderInvoice.find_by(invoice_number: instance.invoice_date.strftime("%Y%m%d") + trailing_number) || OrdergroupInvoice.find_by(invoice_number: instance.invoice_date.strftime("%Y%m%d") + trailing_number)
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generate_invoice_number(instance, count.to_i + 1)
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else
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instance.invoice_date.strftime("%Y%m%d") + trailing_number
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end
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end
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end
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