166 lines
4.6 KiB
Python
166 lines
4.6 KiB
Python
"""
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Slovenian specific form helpers.
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"""
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from __future__ import absolute_import, unicode_literals
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import datetime
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import re
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from django.contrib.localflavor.si.si_postalcodes import SI_POSTALCODES_CHOICES
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from django.core.validators import EMPTY_VALUES
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from django.forms import ValidationError
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from django.forms.fields import CharField, Select, ChoiceField
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from django.utils.translation import ugettext_lazy as _
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class SIEMSOField(CharField):
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"""A form for validating Slovenian personal identification number.
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Additionally stores gender, nationality and birthday to self.info dictionary.
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"""
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default_error_messages = {
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'invalid': _('This field should contain exactly 13 digits.'),
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'date': _('The first 7 digits of the EMSO must represent a valid past date.'),
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'checksum': _('The EMSO is not valid.'),
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}
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emso_regex = re.compile('^(\d{2})(\d{2})(\d{3})(\d{2})(\d{3})(\d)$')
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def clean(self, value):
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super(SIEMSOField, self).clean(value)
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if value in EMPTY_VALUES:
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return ''
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value = value.strip()
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m = self.emso_regex.match(value)
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if m is None:
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raise ValidationError(self.default_error_messages['invalid'])
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# Validate EMSO
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s = 0
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int_values = [int(i) for i in value]
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for a, b in zip(int_values, list(range(7, 1, -1)) * 2):
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s += a * b
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chk = s % 11
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if chk == 0:
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K = 0
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else:
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K = 11 - chk
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if K == 10 or int_values[-1] != K:
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raise ValidationError(self.default_error_messages['checksum'])
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# Extract extra info in the identification number
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day, month, year, nationality, gender, chksum = [int(i) for i in m.groups()]
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if year < 890:
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year += 2000
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else:
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year += 1000
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# validate birthday
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try:
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birthday = datetime.date(year, month, day)
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except ValueError:
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raise ValidationError(self.error_messages['date'])
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if datetime.date.today() < birthday:
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raise ValidationError(self.error_messages['date'])
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self.info = {
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'gender': gender < 500 and 'male' or 'female',
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'birthdate': birthday,
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'nationality': nationality,
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}
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return value
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class SITaxNumberField(CharField):
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"""Slovenian tax number field.
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Valid input is SIXXXXXXXX or XXXXXXXX where X is a number.
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"""
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default_error_messages = {
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'invalid': _('Enter a valid tax number in form SIXXXXXXXX'),
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}
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sitax_regex = re.compile('^(?:SI)?([1-9]\d{7})$')
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def clean(self, value):
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super(SITaxNumberField, self).clean(value)
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if value in EMPTY_VALUES:
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return ''
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value = value.strip()
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m = self.sitax_regex.match(value)
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if m is None:
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raise ValidationError(self.default_error_messages['invalid'])
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value = m.groups()[0]
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# Validate Tax number
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s = 0
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int_values = [int(i) for i in value]
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for a, b in zip(int_values, range(8, 1, -1)):
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s += a * b
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chk = 11 - (s % 11)
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if chk == 10:
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chk = 0
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if int_values[-1] != chk:
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raise ValidationError(self.default_error_messages['invalid'])
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return value
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class SIPostalCodeField(ChoiceField):
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"""Slovenian post codes field.
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"""
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def __init__(self, *args, **kwargs):
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kwargs.setdefault('choices', SI_POSTALCODES_CHOICES)
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super(SIPostalCodeField, self).__init__(*args, **kwargs)
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class SIPostalCodeSelect(Select):
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"""A Select widget that uses Slovenian postal codes as its choices.
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"""
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def __init__(self, attrs=None):
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super(SIPostalCodeSelect, self).__init__(attrs,
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choices=SI_POSTALCODES_CHOICES)
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class SIPhoneNumberField(CharField):
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"""Slovenian phone number field.
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Phone number must contain at least local area code.
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Country code can be present.
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Examples:
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* +38640XXXXXX
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* 0038640XXXXXX
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* 040XXXXXX
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* 01XXXXXX
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* 0590XXXXX
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"""
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default_error_messages = {
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'invalid': _('Enter phone number in form +386XXXXXXXX or 0XXXXXXXX.'),
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}
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phone_regex = re.compile('^(?:(?:00|\+)386|0)(\d{7,8})$')
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def clean(self, value):
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super(SIPhoneNumberField, self).clean(value)
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if value in EMPTY_VALUES:
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return ''
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value = value.replace(' ', '').replace('-', '').replace('/', '')
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m = self.phone_regex.match(value)
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if m is None:
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raise ValidationError(self.default_error_messages['invalid'])
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return m.groups()[0]
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