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100 lines
2.7 KiB
100 lines
2.7 KiB
""" |
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NL-specific Form helpers |
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""" |
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import re |
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from django.forms import ValidationError |
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from django.forms.fields import Field, Select, EMPTY_VALUES |
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from django.utils.translation import ugettext_lazy as _ |
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from django.utils.encoding import smart_unicode |
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pc_re = re.compile('^\d{4}[A-Z]{2}$') |
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sofi_re = re.compile('^\d{9}$') |
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numeric_re = re.compile('^\d+$') |
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class NLZipCodeField(Field): |
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""" |
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A Dutch postal code field. |
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""" |
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default_error_messages = { |
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'invalid': _('Enter a valid postal code'), |
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} |
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def clean(self, value): |
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super(NLZipCodeField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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value = value.strip().upper().replace(' ', '') |
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if not pc_re.search(value): |
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raise ValidationError(self.error_messages['invalid']) |
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if int(value[:4]) < 1000: |
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raise ValidationError(self.error_messages['invalid']) |
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return u'%s %s' % (value[:4], value[4:]) |
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class NLProvinceSelect(Select): |
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""" |
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A Select widget that uses a list of provinces of the Netherlands as its |
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choices. |
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""" |
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def __init__(self, attrs=None): |
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from nl_provinces import PROVINCE_CHOICES |
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super(NLProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES) |
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class NLPhoneNumberField(Field): |
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""" |
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A Dutch telephone number field. |
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""" |
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default_error_messages = { |
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'invalid': _('Enter a valid phone number'), |
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} |
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def clean(self, value): |
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super(NLPhoneNumberField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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phone_nr = re.sub('[\-\s\(\)]', '', smart_unicode(value)) |
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if len(phone_nr) == 10 and numeric_re.search(phone_nr): |
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return value |
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if phone_nr[:3] == '+31' and len(phone_nr) == 12 and \ |
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numeric_re.search(phone_nr[3:]): |
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return value |
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raise ValidationError(self.error_messages['invalid']) |
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class NLSoFiNumberField(Field): |
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""" |
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A Dutch social security number (SoFi/BSN) field. |
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http://nl.wikipedia.org/wiki/Sofinummer |
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""" |
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default_error_messages = { |
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'invalid': _('Enter a valid SoFi number'), |
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} |
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def clean(self, value): |
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super(NLSoFiNumberField, self).clean(value) |
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if value in EMPTY_VALUES: |
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return u'' |
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if not sofi_re.search(value): |
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raise ValidationError(self.error_messages['invalid']) |
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if int(value) == 0: |
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raise ValidationError(self.error_messages['invalid']) |
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checksum = 0 |
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for i in range(9, 1, -1): |
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checksum += int(value[9-i]) * i |
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checksum -= int(value[-1]) |
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if checksum % 11 != 0: |
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raise ValidationError(self.error_messages['invalid']) |
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return value
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