l10n-switzerland-flectra/l10n_ch/models/res_bank.py
2021-07-21 13:01:38 +02:00

315 lines
16 KiB
Python

# -*- coding: utf-8 -*-
# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
import re
from flectra import api, fields, models, _
from flectra.exceptions import ValidationError
from flectra.tools.misc import mod10r
from flectra.exceptions import UserError
import werkzeug.urls
ISR_SUBSCRIPTION_CODE = {'CHF': '01', 'EUR': '03'}
CLEARING = "09000"
_re_postal = re.compile('^[0-9]{2}-[0-9]{1,6}-[0-9]$')
def _is_l10n_ch_postal(account_ref):
""" Returns True if the string account_ref is a valid postal account number,
i.e. it only contains ciphers and is last cipher is the result of a recursive
modulo 10 operation ran over the rest of it. Shorten form with - is also accepted.
"""
if _re_postal.match(account_ref or ''):
ref_subparts = account_ref.split('-')
account_ref = ref_subparts[0] + ref_subparts[1].rjust(6, '0') + ref_subparts[2]
if re.match('\d+$', account_ref or ''):
account_ref_without_check = account_ref[:-1]
return mod10r(account_ref_without_check) == account_ref
return False
def _is_l10n_ch_isr_issuer(account_ref, currency_code):
""" Returns True if the string account_ref is a valid a valid ISR issuer
An ISR issuer is postal account number that starts by 01 (CHF) or 03 (EUR),
"""
if (account_ref or '').startswith(ISR_SUBSCRIPTION_CODE[currency_code]):
return _is_l10n_ch_postal(account_ref)
return False
class ResPartnerBank(models.Model):
_inherit = 'res.partner.bank'
l10n_ch_postal = fields.Char(
string="Swiss Postal Account",
readonly=False, store=True,
compute='_compute_l10n_ch_postal',
help="This field is used for the Swiss postal account number on a vendor account and for the client number on "
"your own account. The client number is mostly 6 numbers without -, while the postal account number can "
"be e.g. 01-162-8")
# fields to configure ISR payment slip generation
l10n_ch_isr_subscription_chf = fields.Char(string='CHF ISR Subscription Number', help='The subscription number provided by the bank or Postfinance to identify the bank, used to generate ISR in CHF. eg. 01-162-8')
l10n_ch_isr_subscription_eur = fields.Char(string='EUR ISR Subscription Number', help='The subscription number provided by the bank or Postfinance to identify the bank, used to generate ISR in EUR. eg. 03-162-5')
l10n_ch_show_subscription = fields.Boolean(compute='_compute_l10n_ch_show_subscription', default=lambda self: self.env.company.country_id.code == 'CH')
def _is_isr_issuer(self):
return (_is_l10n_ch_isr_issuer(self.l10n_ch_postal, 'CHF')
or _is_l10n_ch_isr_issuer(self.l10n_ch_postal, 'EUR'))
@api.constrains("l10n_ch_postal", "partner_id")
def _check_postal_num(self):
"""Validate postal number format"""
for rec in self:
if rec.l10n_ch_postal and not _is_l10n_ch_postal(rec.l10n_ch_postal):
# l10n_ch_postal is used for the purpose of Client Number on your own accounts, so don't do the check there
if rec.partner_id and not rec.partner_id.ref_company_ids:
raise ValidationError(
_("The postal number {} is not valid.\n"
"It must be a valid postal number format. eg. 10-8060-7").format(rec.l10n_ch_postal))
return True
@api.constrains("l10n_ch_isr_subscription_chf", "l10n_ch_isr_subscription_eur")
def _check_subscription_num(self):
"""Validate ISR subscription number format
Subscription number can only starts with 01 or 03
"""
for rec in self:
for currency in ["CHF", "EUR"]:
subscrip = rec.l10n_ch_isr_subscription_chf if currency == "CHF" else rec.l10n_ch_isr_subscription_eur
if subscrip and not _is_l10n_ch_isr_issuer(subscrip, currency):
example = "01-162-8" if currency == "CHF" else "03-162-5"
raise ValidationError(
_("The ISR subcription {} for {} number is not valid.\n"
"It must starts with {} and we a valid postal number format. eg. {}"
).format(subscrip, currency, ISR_SUBSCRIPTION_CODE[currency], example))
return True
@api.depends('partner_id', 'company_id')
def _compute_l10n_ch_show_subscription(self):
for bank in self:
if bank.partner_id:
bank.l10n_ch_show_subscription = bool(bank.partner_id.ref_company_ids)
elif bank.company_id:
bank.l10n_ch_show_subscription = bank.company_id.country_id.code == 'CH'
else:
bank.l10n_ch_show_subscription = self.env.company.country_id.code == 'CH'
@api.depends('acc_number', 'acc_type')
def _compute_sanitized_acc_number(self):
#Only remove spaces in case it is not postal
postal_banks = self.filtered(lambda b: b.acc_type == "postal")
for bank in postal_banks:
bank.sanitized_acc_number = bank.acc_number
super(ResPartnerBank, self - postal_banks)._compute_sanitized_acc_number()
@api.model
def _get_supported_account_types(self):
rslt = super(ResPartnerBank, self)._get_supported_account_types()
rslt.append(('postal', _('Postal')))
return rslt
@api.model
def retrieve_acc_type(self, acc_number):
""" Overridden method enabling the recognition of swiss postal bank
account numbers.
"""
acc_number_split = ""
# acc_number_split is needed to continue to recognize the account
# as a postal account even if the difference
if acc_number and " " in acc_number:
acc_number_split = acc_number.split(" ")[0]
if _is_l10n_ch_postal(acc_number) or (acc_number_split and _is_l10n_ch_postal(acc_number_split)):
return 'postal'
else:
return super(ResPartnerBank, self).retrieve_acc_type(acc_number)
@api.depends('acc_number', 'partner_id', 'acc_type')
def _compute_l10n_ch_postal(self):
for record in self:
if record.acc_type == 'iban':
record.l10n_ch_postal = self._retrieve_l10n_ch_postal(record.sanitized_acc_number)
elif record.acc_type == 'postal':
if record.acc_number and " " in record.acc_number:
record.l10n_ch_postal = record.acc_number.split(" ")[0]
else:
record.l10n_ch_postal = record.acc_number
# In case of ISR issuer, this number is not
# unique and we fill acc_number with partner
# name to give proper information to the user
if record.partner_id and record.acc_number[:2] in ["01", "03"]:
record.acc_number = ("{} {}").format(record.acc_number, record.partner_id.name)
@api.model
def _is_postfinance_iban(self, iban):
"""Postfinance IBAN have format
CHXX 0900 0XXX XXXX XXXX K
Where 09000 is the clearing number
"""
return iban.startswith('CH') and iban[4:9] == CLEARING
@api.model
def _pretty_postal_num(self, number):
"""format a postal account number or an ISR subscription number
as per specifications with '-' separators.
eg. 010001628 -> 01-162-8
"""
if re.match('^[0-9]{2}-[0-9]{1,6}-[0-9]$', number or ''):
return number
currency_code = number[:2]
middle_part = number[2:-1]
trailing_cipher = number[-1]
middle_part = middle_part.lstrip("0")
return currency_code + '-' + middle_part + '-' + trailing_cipher
@api.model
def _retrieve_l10n_ch_postal(self, iban):
"""Reads a swiss postal account number from a an IBAN and returns it as
a string. Returns None if no valid postal account number was found, or
the given iban was not from Swiss Postfinance.
CH09 0900 0000 1000 8060 7 -> 10-8060-7
"""
if self._is_postfinance_iban(iban):
# the IBAN corresponds to a swiss account
return self._pretty_postal_num(iban[-9:])
return None
def _get_qr_code_url(self, qr_method, amount, currency, debtor_partner, free_communication, structured_communication):
if qr_method == 'ch_qr':
qr_code_vals = self._l10n_ch_get_qr_vals(amount, currency, debtor_partner, free_communication, structured_communication)
return '/report/barcode/?type=%s&value=%s&width=%s&height=%s&quiet=1&mask=ch_cross' % ('QR', werkzeug.urls.url_quote_plus('\n'.join(qr_code_vals)), 256, 256)
return super()._get_qr_code_url(qr_method, amount, currency, debtor_partner, free_communication, structured_communication)
def _l10n_ch_get_qr_vals(self, amount, currency, debtor_partner, free_communication, structured_communication):
comment = ""
if free_communication:
comment = (free_communication[:137] + '...') if len(free_communication) > 140 else free_communication
creditor_addr_1, creditor_addr_2 = self._get_partner_address_lines(self.partner_id)
debtor_addr_1, debtor_addr_2 = self._get_partner_address_lines(debtor_partner)
# Compute reference type (empty by default, only mandatory for QR-IBAN,
# and must then be 27 characters-long, with mod10r check digit as the 27th one,
# just like ISR number for invoices)
reference_type = 'NON'
reference = ''
if self._is_qr_iban():
# _check_for_qr_code_errors ensures we can't have a QR-IBAN without a QR-reference here
reference_type = 'QRR'
reference = structured_communication
currency = currency or self.currency_id or self.company_id.currency_id
return [
'SPC', # QR Type
'0200', # Version
'1', # Coding Type
self.sanitized_acc_number, # IBAN
'K', # Creditor Address Type
(self.acc_holder_name or self.partner_id.name)[:70], # Creditor Name
creditor_addr_1, # Creditor Address Line 1
creditor_addr_2, # Creditor Address Line 2
'', # Creditor Postal Code (empty, since we're using combined addres elements)
'', # Creditor Town (empty, since we're using combined addres elements)
self.partner_id.country_id.code, # Creditor Country
'', # Ultimate Creditor Address Type
'', # Name
'', # Ultimate Creditor Address Line 1
'', # Ultimate Creditor Address Line 2
'', # Ultimate Creditor Postal Code
'', # Ultimate Creditor Town
'', # Ultimate Creditor Country
'{:.2f}'.format(amount), # Amount
currency.name, # Currency
'K', # Ultimate Debtor Address Type
debtor_partner.commercial_partner_id.name[:70], # Ultimate Debtor Name
debtor_addr_1, # Ultimate Debtor Address Line 1
debtor_addr_2, # Ultimate Debtor Address Line 2
'', # Ultimate Debtor Postal Code (not to be provided for address type K)
'', # Ultimate Debtor Postal City (not to be provided for address type K)
debtor_partner.country_id.code, # Ultimate Debtor Postal Country
reference_type, # Reference Type
reference, # Reference
comment, # Unstructured Message
'EPD', # Mandatory trailer part
]
def _get_partner_address_lines(self, partner):
""" Returns a tuple of two elements containing the address lines to use
for this partner. Line 1 contains the street and number, line 2 contains
zip and city. Those two lines are limited to 70 characters
"""
streets = [partner.street, partner.street2]
line_1 = ' '.join(filter(None, streets))
line_2 = partner.zip + ' ' + partner.city
return line_1[:70], line_2[:70]
def _check_qr_iban_range(self, iban):
if not iban or len(iban) < 9:
return False
iid_start_index = 4
iid_end_index = 8
iid = iban[iid_start_index : iid_end_index+1]
return re.match('\d+', iid) \
and 30000 <= int(iid) <= 31999 # Those values for iid are reserved for QR-IBANs only
def _is_qr_iban(self):
""" Tells whether or not this bank account has a QR-IBAN account number.
QR-IBANs are specific identifiers used in Switzerland as references in
QR-codes. They are formed like regular IBANs, but are actually something
different.
"""
self.ensure_one()
return self.acc_type == 'iban' \
and self._check_qr_iban_range(self.sanitized_acc_number)
@api.model
def _is_qr_reference(self, reference):
""" Checks whether the given reference is a QR-reference, i.e. it is
made of 27 digits, the 27th being a mod10r check on the 26 previous ones.
"""
return reference \
and len(reference) == 27 \
and re.match('\d+$', reference) \
and reference == mod10r(reference[:-1])
def _eligible_for_qr_code(self, qr_method, debtor_partner, currency):
if qr_method == 'ch_qr':
return self.acc_type == 'iban' and \
self.partner_id.country_id.code == 'CH' and \
(not debtor_partner or debtor_partner.country_id.code == 'CH') \
and currency.name in ('EUR', 'CHF')
return super()._eligible_for_qr_code(qr_method, debtor_partner, currency)
def _check_for_qr_code_errors(self, qr_method, amount, currency, debtor_partner, free_communication, structured_communication):
def _partner_fields_set(partner):
return partner.zip and \
partner.city and \
partner.country_id.code and \
(partner.street or partner.street2)
if qr_method == 'ch_qr':
if not _partner_fields_set(self.partner_id):
return _("The partner set on the bank account meant to receive the payment (%s) must have a complete postal address (street, zip, city and country).", self.acc_number)
if debtor_partner and not _partner_fields_set(debtor_partner):
return _("The partner the QR-code must have a complete postal address (street, zip, city and country).")
if self._is_qr_iban() and not self._is_qr_reference(structured_communication):
return _("When using a QR-IBAN as the destination account of a QR-code, the payment reference must be a QR-reference.")
return super()._check_for_qr_code_errors(qr_method, amount, currency, debtor_partner, free_communication, structured_communication)
@api.model
def _get_available_qr_methods(self):
rslt = super()._get_available_qr_methods()
rslt.append(('ch_qr', _("Swiss QR bill"), 10))
return rslt