Sith/subscription/views.py

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#
# Copyright 2023 © AE UTBM
# ae@utbm.fr / ae.info@utbm.fr
#
# This file is part of the website of the UTBM Student Association (AE UTBM),
# https://ae.utbm.fr.
#
# You can find the source code of the website at https://github.com/ae-utbm/sith3
#
# LICENSED UNDER THE GNU GENERAL PUBLIC LICENSE VERSION 3 (GPLv3)
# SEE : https://raw.githubusercontent.com/ae-utbm/sith3/master/LICENSE
# OR WITHIN THE LOCAL FILE "LICENSE"
#
#
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import random
from ajax_select.fields import AutoCompleteSelectField
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from django import forms
from django.conf import settings
from django.core.exceptions import PermissionDenied, ValidationError
from django.urls import reverse_lazy
from django.utils.translation import gettext_lazy as _
from django.views.generic.edit import CreateView, FormView
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from core.models import User
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from core.views.forms import SelectDate, TzAwareDateTimeField
from subscription.models import Subscription
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class SelectionDateForm(forms.Form):
def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
self.fields["start_date"] = TzAwareDateTimeField(
label=_("Start date"), required=True
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)
self.fields["end_date"] = TzAwareDateTimeField(
label=_("End date"), required=True
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)
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):
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super().__init__(*args, **kwargs)
# Add fields to allow basic user creation
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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["date_of_birth"] = forms.DateTimeField(widget=SelectDate)
self.field_order = [
"member",
"last_name",
"first_name",
"email",
"date_of_birth",
"subscription_type",
"payment_method",
"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):
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cleaned_data = super().clean()
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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()
and "date_of_birth" not in self.errors.as_data()
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):
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:
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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"),
date_of_birth=self.cleaned_data.get("date_of_birth"),
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)
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)
self.errors.pop("date_of_birth", 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!
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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):
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res = super().dispatch(request, *arg, **kwargs)
if request.user.can_create_subscription:
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return res
raise PermissionDenied
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def get_initial(self):
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if "member" in self.request.GET.keys():
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(
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duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type][
"duration"
],
user=form.instance.member,
)
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form.instance.subscription_end = Subscription.compute_end(
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duration=settings.SITH_SUBSCRIPTIONS[form.instance.subscription_type][
"duration"
],
start=form.instance.subscription_start,
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user=form.instance.member,
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)
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return super().form_valid(form)
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class SubscriptionsStatsView(FormView):
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template_name = "subscription/stats.jinja"
form_class = SelectionDateForm
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def dispatch(self, request, *arg, **kwargs):
import datetime
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self.start_date = datetime.datetime.today()
self.end_date = self.start_date
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res = super().dispatch(request, *arg, **kwargs)
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if request.user.is_root or request.user.is_board_member:
return res
raise PermissionDenied
def post(self, request, *args, **kwargs):
self.form = self.get_form()
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self.start_date = self.form["start_date"]
self.end_date = self.form["end_date"]
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res = super().post(request, *args, **kwargs)
if request.user.is_root or request.user.is_board_member:
return res
raise PermissionDenied
def get_initial(self):
init = {
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"start_date": self.start_date.strftime("%Y-%m-%d %H:%M:%S"),
"end_date": self.end_date.strftime("%Y-%m-%d %H:%M:%S"),
}
return init
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def get_context_data(self, **kwargs):
from subscription.models import Subscription
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kwargs = super().get_context_data(**kwargs)
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kwargs["subscriptions_total"] = Subscription.objects.filter(
subscription_end__gte=self.end_date, subscription_start__lte=self.start_date
)
kwargs["subscriptions_types"] = settings.SITH_SUBSCRIPTIONS
kwargs["payment_types"] = settings.SITH_COUNTER_PAYMENT_METHOD
kwargs["locations"] = settings.SITH_SUBSCRIPTION_LOCATIONS
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return kwargs
def get_success_url(self, **kwargs):
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return reverse_lazy("subscriptions:stats")