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# -*- coding: utf-8 -*-
"""
account/forms.py for skaschool
"""
from django import forms
from django.forms.models import inlineformset_factory
from django.contrib.auth.models import User
from django.contrib.sites.models import Site, RequestSite
from django.utils.translation import ugettext_lazy as _
from registration.forms import RegistrationForm, RegistrationFormUniqueEmail
from captcha.fields import ReCaptchaField
from account.models import UserProfile, UserFile
import re
class UserRegForm(RegistrationFormUniqueEmail):
"""
based on 'django-registration' RegistrationFormUniqueEmail
add fields 'realname', 'gender', 'institute' and 'captcha'
"""
GENDERS = UserProfile.GENDERS
IDENTITIES = UserProfile.IDENTITIES
realname = forms.CharField(max_length=30, label=_("Name"))
gender = forms.ChoiceField(choices=GENDERS, label=_("Gender"))
institute = forms.CharField(max_length=100, label=_("Institute (and major)"))
identity = forms.ChoiceField(choices=IDENTITIES, label=_("Identity"))
captcha = ReCaptchaField(label=_("Captcha"),
attrs={'theme': 'clean'})
#def __init__(self, *args, **kw):
# super(UserRegForm, self).__init__(*args, **kw)
# # order form fields
# self.fields.keyOrder = [
# 'username',
# 'email',
# 'password1',
# 'password2',
# 'realname',
# 'gender',
# 'institute',
# 'identity',
# ]
def clean_username(self):
"""
It is required to check whether the username matches the
specified regular expression.
Because the frontend does not correctly validate RegexField.
XXX: howto deal with 'RegexField' in 'django-bootstrap3'
"""
username = self.cleaned_data['username']
# check whether matches
username_p = re.compile(r'^[a-zA-Z_][a-zA-Z0-9_.@+-]{3,29}')
username_m = username_p.match(username)
if not username_m:
raise forms.ValidationError(_("4-30 characters. Start with letters and underscore. Contains letters, digits and _.@+- characters."), code='invalid')
# check whether exists
existing = User.objects.filter(username__iexact=username)
if existing.exists():
raise forms.ValidationError(_("A user with that username already exists."), code='invalid')
else:
return username
class ResendEmailForm(forms.Form):
"""
form used in ResendEmailView
"""
username = forms.RegexField(regex=r'^[\w.@+-]+$',
max_length=30,
label=_("Username"),
error_messages={'invalid': _("This value may contain only letters, numbers and @/./+/-/_ characters.")})
is_update_email = forms.BooleanField(label=_("Is update email"),
required=False, initial=False)
email = forms.EmailField(label=_("E-mail"), required=False)
def clean_username(self):
username = self.cleaned_data.get('username', '')
user = User.objects.filter(username=username)
if not user:
raise forms.ValidationError(_("Username not exists"), code='invalid')
return username
def clean(self):
# if 'is_update_email' True, then email field is required
is_update_email = self.cleaned_data.get('is_update_email', False)
email = self.cleaned_data.get('email', '')
if (is_update_email and (not email)):
raise forms.ValidationError(_("Email is required"), code='required')
return self.cleaned_data
def update_email(self):
# update User email if user provided a different email
username = self.cleaned_data.get('username', '')
email = self.cleaned_data.get('email', '')
user = User.objects.get(username=username)
if email:
user.email = email
user.save()
def resend_email(self):
# resend activation email
if Site._meta.installed:
site = Site.objects.get_current()
else:
site = RequestSite(self.request)
username = self.cleaned_data.get('username', '')
user = User.objects.get(username=username)
regprofile = user.registrationprofile_set.get(user=user)
if not regprofile.activation_key_expired():
regprofile.send_activation_email(site)
class UpdateProfileForm(forms.ModelForm):
"""
ModelForm of 'UserProfile' used in 'UpdateProfileView'
"""
# extra email field
email = forms.EmailField(label=_("E-mail"))
class Meta:
model = UserProfile
fields = (
'user',
'realname',
'gender',
'institute',
'identity',
'reason',
'transcript',
'supplement',
)
widgets = {
'user': forms.HiddenInput,
}
def __init__(self, *args, **kwargs):
super(UpdateProfileForm, self).__init__(*args, **kwargs)
# reorder fields, append 'email' just after 'realname'
self.fields.keyOrder = [
'user',
'realname',
'email',
'gender',
'institute',
'identity',
'reason',
'transcript',
'supplement',
]
def clean(self):
"""
check if 'transcript' is needed and provided
"""
form_data = self.cleaned_data
user = form_data.get('user')
profile = user.userprofile_set.get(user=user)
profile.identity = form_data.get('identity', profile.identity)
transcript = self.cleaned_data.get('transcript', False)
if (profile.is_transcript_required() and (not transcript)):
raise forms.ValidationError(_("Transcript is required."), code='required')
# not save 'profile' here
return self.cleaned_data
class UserFileForm(forms.ModelForm):
"""
form of UserFile, empty_permitted=True
"""
class Meta:
model = UserFile
def __init__(self, *args, **kwargs):
super(UserFileForm, self).__init__(*args, **kwargs)
self.empty_permitted = True
### formset ###
# UserFileFormSet: parent_model -> User
UserFileFormSet = inlineformset_factory(User,
UserFile, form=UserFileForm,
extra=1, can_delete=True)
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