| 1 | # -*- coding: utf-8 -*- |
| 2 | """ |
| 3 | Romanian specific form helpers. |
| 4 | """ |
| 5 | |
| 6 | from django.newforms.fields import EMPTY_VALUES,Field,RegexField,Select |
| 7 | from django.newforms import ValidationError |
| 8 | from django.utils.translation import ugettext_lazy as _ |
| 9 | import re |
| 10 | |
| 11 | class ROCIFField(RegexField): |
| 12 | """ |
| 13 | A Romanian fiscal identity code (CIF) field |
| 14 | |
| 15 | For CIF validation algorithm see http://www.validari.ro/cui.html |
| 16 | """ |
| 17 | default_error_messages = { |
| 18 | 'invalid': _("Enter a valid CIF"), |
| 19 | } |
| 20 | |
| 21 | def __init__(self, *args, **kwargs): |
| 22 | super(ROCIFField, self).__init__(r'^[0-9]{2,10}', max_length=10, |
| 23 | min_length=2, *args, **kwargs) |
| 24 | |
| 25 | def clean(self, value): |
| 26 | """ |
| 27 | CIF validation |
| 28 | """ |
| 29 | value = super(ROCIFField, self).clean(value) |
| 30 | if value in EMPTY_VALUES: |
| 31 | return u'' |
| 32 | # strip RO part |
| 33 | if value[0:2] == 'RO': |
| 34 | value = value[2:] |
| 35 | key = '753217532'[::-1] |
| 36 | value = value[::-1] |
| 37 | key_iter = iter(key) |
| 38 | checksum = 0 |
| 39 | for digit in value[1:]: |
| 40 | checksum += int(digit) * int(key_iter.next()) |
| 41 | checksum = checksum * 10 % 11 |
| 42 | if checksum == 10: |
| 43 | checksum = 0 |
| 44 | if checksum != int(value[0]): |
| 45 | raise ValidationError(self.error_messages['invalid']) |
| 46 | return value[::-1] |
| 47 | |
| 48 | class ROCNPField(RegexField): |
| 49 | """ |
| 50 | A Romanian personal identity code (CNP) field |
| 51 | |
| 52 | For CNP validation algorithm see http://www.validari.ro/cnp.html |
| 53 | """ |
| 54 | default_error_messages = { |
| 55 | 'invalid': _("Enter a valid CNP"), |
| 56 | } |
| 57 | |
| 58 | def __init__(self, *args, **kwargs): |
| 59 | super(ROCNPField, self).__init__(r'^[1-9][0-9]{12}', max_length=13, |
| 60 | min_length=13, *args, **kwargs) |
| 61 | |
| 62 | def clean(self, value): |
| 63 | """ |
| 64 | CNP validations |
| 65 | """ |
| 66 | value = super(ROCNPField, self).clean(value) |
| 67 | # check birthdate digits |
| 68 | import datetime |
| 69 | try: |
| 70 | datetime.date(int(value[1:3]),int(value[3:5]),int(value[5:7])) |
| 71 | except: |
| 72 | raise ValidationError(self.error_messages['invalid']) |
| 73 | # checksum |
| 74 | key = '279146358279' |
| 75 | checksum = 0 |
| 76 | value_iter = iter(value) |
| 77 | for digit in key: |
| 78 | checksum += int(digit) * int(value_iter.next()) |
| 79 | checksum %= 11 |
| 80 | if checksum == 10: |
| 81 | checksum = 1 |
| 82 | if checksum != int(value[12]): |
| 83 | raise ValidationError(self.error_messages['invalid']) |
| 84 | return value |
| 85 | |
| 86 | class ROCountyField(Field): |
| 87 | """ |
| 88 | A form field that validates its input is a Romanian county name or |
| 89 | abbreviation. It normalizes the input to the standard vehicle registration |
| 90 | abbreviation for the given county |
| 91 | |
| 92 | WARNING: This field will only accept names written with diacritics; consider |
| 93 | using ROCountySelect if this behavior is unnaceptable for you |
| 94 | Example: |
| 95 | Argeş => valid |
| 96 | Arges => invalid |
| 97 | """ |
| 98 | default_error_messages = { |
| 99 | 'invalid': u'Enter a Romanian county code or name.', |
| 100 | } |
| 101 | |
| 102 | def clean(self, value): |
| 103 | from ro_counties import COUNTIES_CHOICES |
| 104 | super(ROCountyField, self).clean(value) |
| 105 | if value in EMPTY_VALUES: |
| 106 | return u'' |
| 107 | try: |
| 108 | value = value.strip().upper() |
| 109 | except AttributeError: |
| 110 | pass |
| 111 | # search for county code |
| 112 | for entry in COUNTIES_CHOICES: |
| 113 | if value in entry: |
| 114 | return value |
| 115 | # search for county name |
| 116 | normalized_CC = [] |
| 117 | for entry in COUNTIES_CHOICES: |
| 118 | normalized_CC.append((entry[0],entry[1].upper())) |
| 119 | for entry in normalized_CC: |
| 120 | if entry[1] == value: |
| 121 | return entry[0] |
| 122 | raise ValidationError(self.error_messages['invalid']) |
| 123 | |
| 124 | class ROCountySelect(Select): |
| 125 | """ |
| 126 | A Select widget that uses a list of Romanian counties (judete) as its |
| 127 | choices. |
| 128 | """ |
| 129 | def __init__(self, attrs=None): |
| 130 | from ro_counties import COUNTIES_CHOICES |
| 131 | super(ROCountySelect, self).__init__(attrs, choices=COUNTIES_CHOICES) |
| 132 | |
| 133 | class ROIBANField(RegexField): |
| 134 | """ |
| 135 | Romanian International Bank Account Number (IBAN) field |
| 136 | |
| 137 | For Romanian IBAN validation algorithm see http://validari.ro/iban.html |
| 138 | """ |
| 139 | default_error_messages = { |
| 140 | 'invalid': _('Enter a valid IBAN in ROXX-XXXX-XXXX-XXXX-XXXX-XXXX format'), |
| 141 | } |
| 142 | |
| 143 | def __init__(self, *args, **kwargs): |
| 144 | super(ROIBANField, self).__init__(r'^[0-9A-Za-z\-\s]{24,40}$', |
| 145 | max_length=40, min_length=24, *args, **kwargs) |
| 146 | |
| 147 | def clean(self, value): |
| 148 | """ |
| 149 | Strips - and spaces, performs country code and checksum validation |
| 150 | """ |
| 151 | value = super(ROIBANField, self).clean(value) |
| 152 | value = value.replace('-','') |
| 153 | value = value.replace(' ','') |
| 154 | value = value.upper() |
| 155 | if value[0:2] != 'RO': |
| 156 | raise ValidationError(self.error_messages['invalid']) |
| 157 | numeric_format = '' |
| 158 | for char in value[4:] + value[0:4]: |
| 159 | if char.isalpha(): |
| 160 | numeric_format += str(ord(char) - 55) |
| 161 | else: |
| 162 | numeric_format += char |
| 163 | if int(numeric_format) % 97 != 1: |
| 164 | raise ValidationError(self.error_messages['invalid']) |
| 165 | return value |
| 166 | |
| 167 | |
| 168 | class ROPhoneNumberField(RegexField): |
| 169 | """Romanian phone number field""" |
| 170 | default_error_messages = { |
| 171 | 'invalid': _('Phone numbers must be in XXXX-XXXXXX format.'), |
| 172 | } |
| 173 | |
| 174 | def __init__(self, *args, **kwargs): |
| 175 | super(ROPhoneNumberField, self).__init__(r'^[0-9\-\(\)\s]{10,20}$', |
| 176 | max_length=20, min_length=10, *args, **kwargs) |
| 177 | |
| 178 | def clean(self, value): |
| 179 | """ |
| 180 | Strips -, (, ) and spaces, checks the final length |
| 181 | """ |
| 182 | value = super(ROPhoneNumberField, self).clean(value) |
| 183 | value = value.replace('-','') |
| 184 | value = value.replace('(','') |
| 185 | value = value.replace(')','') |
| 186 | value = value.replace(' ','') |
| 187 | if len(value) != 10: |
| 188 | raise ValidationError(self.error_messages['invalid']) |
| 189 | return value |
| 190 | |
| 191 | class ROPostalCodeField(RegexField): |
| 192 | """Romanian postal code field.""" |
| 193 | default_error_messages = { |
| 194 | 'invalid': _('Enter a valid postal code in the format XXXXXX'), |
| 195 | } |
| 196 | |
| 197 | def __init__(self, *args, **kwargs): |
| 198 | super(ROPostalCodeField, self).__init__(r'^[0-9][0-8][0-9]{4}$', |
| 199 | max_length=6, min_length=6, *args, **kwargs) |