170 lines
9.2 KiB
Python
170 lines
9.2 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
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import re
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from flectra import models, fields, api, _
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from flectra.exceptions import ValidationError
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from flectra.tools.float_utils import float_split_str
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from flectra.tools.misc import mod10r
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l10n_ch_ISR_NUMBER_LENGTH = 27
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l10n_ch_ISR_NUMBER_ISSUER_LENGTH = 12
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class AccountInvoice(models.Model):
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_inherit = 'account.invoice'
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l10n_ch_isr_postal = fields.Char(compute='_compute_l10n_ch_isr_postal', help='The postal reference identifying the bank managing this ISR.')
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l10n_ch_isr_postal_formatted = fields.Char(compute='_compute_l10n_ch_isr_postal', help="Postal reference of the bank, formated with '-' and without the padding zeros, to generate ISR report.")
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l10n_ch_isr_number = fields.Char(compute='_compute_l10n_ch_isr_number', store=True, help='The reference number associated with this invoice')
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l10n_ch_isr_number_spaced = fields.Char(compute='_compute_l10n_ch_isr_number', help="ISR number split in blocks of 5 characters (right-justified), to generate ISR report.")
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l10n_ch_isr_optical_line = fields.Char(compute="_compute_l10n_ch_isr_optical_line", help='Optical reading line, as it will be printed on ISR')
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l10n_ch_isr_valid = fields.Boolean(compute='_compute_l10n_ch_isr_valid', help='Boolean value. True iff all the data required to generate the ISR are present')
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l10n_ch_isr_sent = fields.Boolean(defaut=False, help="Boolean value telling whether or not the ISR corresponding to this invoice has already been printed or sent by mail.")
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l10n_ch_currency_name = fields.Char(related='currency_id.name', help="The name of this invoice's currency") #This field is used in the "invisible" condition field of the 'Print ISR' button.
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@api.depends('partner_bank_id.bank_id.l10n_ch_postal_eur', 'partner_bank_id.bank_id.l10n_ch_postal_chf')
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def _compute_l10n_ch_isr_postal(self):
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""" Computes the postal reference identifying the bank managing this ISR and formats it accordingly"""
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def _format_isr_postal(isr_postal):
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#format the isr as per specifications
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currency_code = isr_postal[:2]
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middle_part = isr_postal[2:-1]
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trailing_cipher = isr_postal[-1]
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middle_part = re.sub('^0*', '', middle_part)
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return currency_code + '-' + middle_part + '-' + trailing_cipher
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for record in self:
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if record.partner_bank_id and record.partner_bank_id.bank_id:
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isr_postal = False
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if record.currency_id.name == 'EUR':
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isr_postal = record.partner_bank_id.bank_id.l10n_ch_postal_eur
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elif record.currency_id.name == 'CHF':
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isr_postal = record.partner_bank_id.bank_id.l10n_ch_postal_chf
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else:
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#we don't format if in another currency as EUR or CHF
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continue
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if isr_postal:
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record.l10n_ch_isr_postal = isr_postal
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record.l10n_ch_isr_postal_formatted = _format_isr_postal(isr_postal)
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@api.depends('number', 'partner_bank_id.l10n_ch_postal')
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def _compute_l10n_ch_isr_number(self):
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""" The ISR reference number is 27 characters long. The first 12 of them
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contain the postal account number of this ISR's issuer, removing the zeros
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at the beginning and filling the empty places with zeros on the right if it is
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too short. The next 14 characters contain an internal reference identifying
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the invoice. For this, we use the invoice sequence number, removing each
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of its non-digit characters, and pad the unused spaces on the left of
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this number with zeros. The last character of the ISR number is the result
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of a recursive modulo 10 on its first 26 characters.
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"""
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def _space_isr_number(isr_number):
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to_treat = isr_number
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res = ''
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while to_treat:
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res = to_treat[-5:] + res
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to_treat = to_treat[:-5]
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if to_treat:
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res = ' ' + res
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return res
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for record in self:
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if record.number and record.partner_bank_id and record.partner_bank_id.l10n_ch_postal:
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invoice_issuer_ref = re.sub('^0*', '', record.partner_bank_id.l10n_ch_postal)
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invoice_issuer_ref = invoice_issuer_ref.ljust(l10n_ch_ISR_NUMBER_ISSUER_LENGTH, '0')
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invoice_ref = re.sub('[^\d]', '', record.number)
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#We only keep the last digits of the sequence number if it is too long
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invoice_ref = invoice_ref[-l10n_ch_ISR_NUMBER_ISSUER_LENGTH:]
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internal_ref = invoice_ref.zfill(l10n_ch_ISR_NUMBER_LENGTH - l10n_ch_ISR_NUMBER_ISSUER_LENGTH - 1) # -1 for mod10r check character
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record.l10n_ch_isr_number = mod10r(invoice_issuer_ref + internal_ref)
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record.l10n_ch_isr_number_spaced = _space_isr_number(record.l10n_ch_isr_number)
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@api.depends('currency_id.name', 'amount_total', 'partner_bank_id.bank_id', 'number', 'partner_bank_id.l10n_ch_postal', 'partner_bank_id.bank_id.l10n_ch_postal_eur', 'partner_bank_id.bank_id.l10n_ch_postal_chf')
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def _compute_l10n_ch_isr_optical_line(self):
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""" The optical reading line of the ISR looks like this :
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left>isr_ref+ bank_ref>
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Where:
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- left is composed of two ciphers indicating the currency (01 for CHF,
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03 for EUR), followed by ten characters containing the total of the
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invoice (with the dot between units and cents removed, everything being
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right-aligned and empty places filled with zeros). After the total,
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left contains a last cipher, which is the result of a recursive modulo
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10 function ran over the rest of it.
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- isr_ref is the ISR reference number
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- bank_ref is the full postal bank code (aka clearing number) of the
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bank supporting the ISR (including the zeros).
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"""
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for record in self:
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if record.l10n_ch_isr_number and record.l10n_ch_isr_postal and record.currency_id.name:
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#Left part
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currency_code = None
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if record.currency_id.name == 'CHF':
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currency_code = '01'
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elif record.currency_id.name == 'EUR':
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currency_code = '03'
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units, cents = float_split_str(record.amount_total, 2)
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amount_to_display = units + cents
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amount_ref = amount_to_display.zfill(10)
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left = currency_code + amount_ref
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left = mod10r(left)
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#Final assembly (the space after the '+' is no typo, it stands in the specs.)
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record.l10n_ch_isr_optical_line = left + '>' + record.l10n_ch_isr_number + '+ ' + record.l10n_ch_isr_postal + '>'
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@api.depends('type', 'number', 'partner_bank_id.l10n_ch_postal', 'partner_bank_id.bank_id', 'currency_id.name', 'partner_bank_id.bank_id.l10n_ch_postal_eur', 'partner_bank_id.bank_id.l10n_ch_postal_chf')
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def _compute_l10n_ch_isr_valid(self):
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"""Returns True if all the data required to generate the ISR are present"""
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for record in self:
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record.l10n_ch_isr_valid = record.type == 'out_invoice' and\
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record.number and \
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record.l10n_ch_isr_postal and \
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record.partner_bank_id and \
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record.partner_bank_id.l10n_ch_postal and \
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record.l10n_ch_currency_name in ['EUR', 'CHF']
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def split_total_amount(self):
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""" Splits the total amount of this invoice in two parts, using the dot as
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a separator, and taking two precision digits (always displayed).
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These two parts are returned as the two elements of a tuple, as strings
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to print in the report.
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This function is needed on the model, as it must be called in the report
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template, which cannot reference static functions
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"""
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return float_split_str(self.amount_total, 2)
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def isr_print(self):
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""" Triggered by the 'Print ISR' button.
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"""
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self.ensure_one()
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if self.l10n_ch_isr_valid:
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self.l10n_ch_isr_sent = True
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return self.env.ref('l10n_ch.l10n_ch_isr_report').report_action(self)
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else:
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raise ValidationError(_("""You cannot generate an ISR yet.\n
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For this, you need to :\n
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- set a valid postal account number (or an IBAN referencing one) for your company\n
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- define its bank\n
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- associate this bank with a postal reference for the currency used in this invoice\n
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- fill the 'bank account' field of the invoice with the postal to be used to receive the related payment. A default account will be automatically set for all invoices created after you defined a postal account for your company."""))
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def action_invoice_sent(self):
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""" Overridden. Triggered by the 'send by mail' button.
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"""
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rslt = super(AccountInvoice, self).action_invoice_sent()
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if self.l10n_ch_isr_valid:
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rslt['context']['l10n_ch_mark_isr_as_sent'] = True
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return rslt
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