"""
ID-specific Form helpers
"""
import re
import time
from django.core.validators import EMPTY_VALUES
from django.forms import ValidationError
from django.forms.fields import Field,Select
from django.utils.translation import ugettext_lazy
from django.utils.encoding import smart_unicode
postcode_re = re.compile(r'^[1-9]\d{4}$')
phone_re = re.compile(r'^(\+62|0)[2-9]\d{7,10}$')
plate_re = re.compile(r'^(?P<prefix>[A-Z]{1,2}) ' + \
r'(?P<number>\d{1,5})( (?P<suffix>([A-Z]{1,3}|[1-9][0-9]{,2})))?$')
nik_re = re.compile(r'^\d{16}$')
class IDPostCodeField(Field):
"""
An Indonesian post code field.
http://id.wikipedia.org/wiki/Kode_pos
"""
default_error_messages = {
'invalid': _('Enter a valid post code'),
}
def clean(self, value):
super(IDPostCodeField, self).clean(value)
if value in EMPTY_VALUES:
return u''
value = value.strip()
if not postcode_re.search(value):
raise ValidationError(self.error_messages['invalid'])
if int(value) < 10110:
raise ValidationError(self.error_messages['invalid'])
# 1xxx0
if value[0] == '1' and value[4] != '0':
raise ValidationError(self.error_messages['invalid'])
return u'%s' % (value, )
class IDProvinceSelect(Select):
"""
A Select widget that uses a list of provinces of Indonesia as its
choices.
"""
def __init__(self, attrs=None):
from id_choices import PROVINCE_CHOICES
super(IDProvinceSelect, self).__init__(attrs, choices=PROVINCE_CHOICES)
class IDPhoneNumberField(Field):
"""
An Indonesian telephone number field.
http://id.wikipedia.org/wiki/Daftar_kode_telepon_di_Indonesia
"""
default_error_messages = {
'invalid': _('Enter a valid phone number'),
}
def clean(self, value):
super(IDPhoneNumberField, self).clean(value)
if value in EMPTY_VALUES:
return u''
phone_number = re.sub(r'[\-\s\(\)]', '', smart_unicode(value))
if phone_re.search(phone_number):
return smart_unicode(value)
raise ValidationError(self.error_messages['invalid'])
class IDLicensePlatePrefixSelect(Select):
"""
A Select widget that uses a list of vehicle license plate prefix code
of Indonesia as its choices.
http://id.wikipedia.org/wiki/Tanda_Nomor_Kendaraan_Bermotor
"""
def __init__(self, attrs=None):
from id_choices import LICENSE_PLATE_PREFIX_CHOICES
super(IDLicensePlatePrefixSelect, self).__init__(attrs,
choices=LICENSE_PLATE_PREFIX_CHOICES)
class IDLicensePlateField(Field):
"""
An Indonesian vehicle license plate field.
http://id.wikipedia.org/wiki/Tanda_Nomor_Kendaraan_Bermotor
Plus: "B 12345 12"
"""
default_error_messages = {
'invalid': _('Enter a valid vehicle license plate number'),
}
def clean(self, value):
super(IDLicensePlateField, self).clean(value)
if value in EMPTY_VALUES:
return u''
plate_number = re.sub(r'\s+', ' ',
smart_unicode(value.strip())).upper()
matches = plate_re.search(plate_number)
if matches is None:
raise ValidationError(self.error_messages['invalid'])
# Make sure prefix is in the list of known codes.
from id_choices import LICENSE_PLATE_PREFIX_CHOICES
prefix = matches.group('prefix')
if prefix not in [choice[0] for choice in LICENSE_PLATE_PREFIX_CHOICES]:
raise ValidationError(self.error_messages['invalid'])
# Only Jakarta (prefix B) can have 3 letter suffix.
suffix = matches.group('suffix')
if suffix is not None and len(suffix) == 3 and prefix != 'B':
raise ValidationError(self.error_messages['invalid'])
# RI plates don't have suffix.
if prefix == 'RI' and suffix is not None and suffix != '':
raise ValidationError(self.error_messages['invalid'])
# Number can't be zero.
number = matches.group('number')
if number == '0':
raise ValidationError(self.error_messages['invalid'])
# CD, CC and B 12345 12
if len(number) == 5 or prefix in ('CD', 'CC'):
# suffix must be numeric and non-empty
if re.match(r'^\d+$', suffix) is None:
raise ValidationError(self.error_messages['invalid'])
# Known codes range is 12-124
if prefix in ('CD', 'CC') and not (12 <= int(number) <= 124):
raise ValidationError(self.error_messages['invalid'])
if len(number) == 5 and not (12 <= int(suffix) <= 124):
raise ValidationError(self.error_messages['invalid'])
else:
# suffix must be non-numeric
if suffix is not None and re.match(r'^[A-Z]{,3}$', suffix) is None:
raise ValidationError(self.error_messages['invalid'])
return plate_number
class IDNationalIdentityNumberField(Field):
"""
An Indonesian national identity number (NIK/KTP#) field.
http://id.wikipedia.org/wiki/Nomor_Induk_Kependudukan
xx.xxxx.ddmmyy.xxxx - 16 digits (excl. dots)
"""
default_error_messages = {
'invalid': _('Enter a valid NIK/KTP number'),
}
def clean(self, value):
super(IDNationalIdentityNumberField, self).clean(value)
if value in EMPTY_VALUES:
return u''
value = re.sub(r'[\s.]', '', smart_unicode(value))
if not nik_re.search(value):
raise ValidationError(self.error_messages['invalid'])
if int(value) == 0:
raise ValidationError(self.error_messages['invalid'])
def valid_nik_date(year, month, day):
try:
t1 = (int(year), int(month), int(day), 0, 0, 0, 0, 0, -1)
d = time.mktime(t1)
t2 = time.localtime(d)
if t1[:3] != t2[:3]:
return False
else:
return True
except (OverflowError, ValueError):
return False
year = int(value[10:12])
month = int(value[8:10])
day = int(value[6:8])
current_year = time.localtime().tm_year
if year < int(str(current_year)[-2:]):
if not valid_nik_date(2000 + int(year), month, day):
raise ValidationError(self.error_messages['invalid'])
elif not valid_nik_date(1900 + int(year), month, day):
raise ValidationError(self.error_messages['invalid'])
if value[:6] == '000000' or value[12:] == '0000':
raise ValidationError(self.error_messages['invalid'])
return '%s.%s.%s.%s' % (value[:2], value[2:6], value[6:12], value[12:])
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