Sith/subscription/views.py

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from django.shortcuts import render
from django.views.generic.edit import UpdateView, CreateView
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from django.views.generic.base import View
from django.utils.translation import ugettext_lazy as _
from django.core.exceptions import PermissionDenied, ValidationError
from django.db import IntegrityError
from django import forms
from django.forms import Select
from django.conf import settings
from ajax_select.fields import AutoCompleteSelectField
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import random
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from subscription.models import Subscription
from core.views import CanEditMixin, CanEditPropMixin, CanViewMixin
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from core.models import User
class SubscriptionForm(forms.ModelForm):
class Meta:
model = Subscription
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fields = ['member', 'subscription_type', 'payment_method', 'location']
member = AutoCompleteSelectField('users', required=False, help_text=None)
def __init__(self, *args, **kwargs):
super(SubscriptionForm, self).__init__(*args, **kwargs)
# Add fields to allow basic user creation
self.fields['last_name'] = forms.CharField(max_length=User._meta.get_field('last_name').max_length)
self.fields['first_name'] = forms.CharField(max_length=User._meta.get_field('first_name').max_length)
self.fields['email'] = forms.EmailField()
self.fields.move_to_end('subscription_type')
self.fields.move_to_end('payment_method')
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self.fields.move_to_end('location')
def clean_member(self):
subscriber = self.cleaned_data.get("member")
if subscriber:
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subscriber = User.objects.filter(id=subscriber.id).first()
return subscriber
def clean(self):
cleaned_data = super(SubscriptionForm, self).clean()
if (cleaned_data.get("member") is None
and "last_name" not in self.errors.as_data()
and "first_name" not in self.errors.as_data()
and "email" not in self.errors.as_data()):
self.errors.pop("member", None)
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if self.errors:
return cleaned_data
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if User.objects.filter(email=cleaned_data.get("email")).first() is not None:
self.add_error("email", ValidationError(_("A user with that email address already exists")))
else:
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u = User(last_name = self.cleaned_data.get("last_name"),
first_name = self.cleaned_data.get("first_name"),
email = self.cleaned_data.get("email"))
u.generate_username()
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u.set_password(str(random.randrange(1000000, 10000000)))
u.save()
cleaned_data["member"] = u
elif cleaned_data.get("member") is not None:
self.errors.pop("last_name", None)
self.errors.pop("first_name", None)
self.errors.pop("email", None)
if cleaned_data.get("member") is None:
# This should be handled here, but it is done in the Subscription model's clean method
# TODO investigate why!
raise ValidationError(_("You must either choose an existing user or create a new one properly"))
return cleaned_data
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class NewSubscription(CreateView):
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template_name = 'subscription/subscription.jinja'
form_class = SubscriptionForm
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def dispatch(self, request, *arg, **kwargs):
res = super(NewSubscription, self).dispatch(request, *arg, **kwargs)
if request.user.is_in_group(settings.SITH_MAIN_BOARD_GROUP):
return res
raise PermissionDenied
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def get_initial(self):
if 'member' in self.request.GET.keys():
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return {'member': self.request.GET['member'], 'subscription_type': 'deux-semestres'}
return {'subscription_type': 'deux-semestres'}
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def form_valid(self, form):
form.instance.subscription_start = Subscription.compute_start(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'])
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form.instance.subscription_end = Subscription.compute_end(
duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type]['duration'],
start=form.instance.subscription_start
)
return super(NewSubscription, self).form_valid(form)