update cart

cart/forms.py

@@ -10,7 +10,10 @@ from django.urls import reverse_lazy
 from cart.models import (
     Buying, BUYING_STATUS_IN_CART, Offer, SupplyType, SupplyTarget, Discount, Order
 )
+from cart.tasks import send_user_order_notification, send_admin_order_notification
+from contact_us.mixins import RequestNotifiable
 from core.forms import QueryFormBase
+from core.models import City
 from core.utils import parse_path
 from django.utils.translation import ugettext_lazy as _
 
@@ -28,15 +31,13 @@ class CartAddInlineForm(forms.ModelForm):
             Field('offer'),
             Field('amount'),
             Div(
-                Submit('Купить',value='submit'),
+                Submit('add', value=_('Купить')),
                 css_class='catalog__btn'
             )
         )
 
         super().__init__(*args, **kwargs)
 
-
-
     def clean_amount(self):
         amount = self.cleaned_data['amount']
         offer = self.cleaned_data['offer']
@@ -73,7 +74,7 @@ class CartRemoveBuyingForm(forms.ModelForm):
         self.helper.layout = Layout(
             Field('offer'),
             Div(
-                Submit('Убрать'),
+                Submit('cancel', value=_('Убрать')),
                 css_class='catalog__btn'
             )
         )
@@ -88,38 +89,90 @@ class CartRemoveBuyingForm(forms.ModelForm):
         }
 
 
-CartRemoveBuyingFormset = formset_factory(CartRemoveBuyingForm)
+class CartCheckoutBuyingForm(forms.Form):
+    order = forms.Field()
+    offer = forms.Field()
+    amount = forms.IntegerField()
+    bonus_points = forms.IntegerField()
+
+    def get_initial_for_field(self, field, field_name):
+        if field_name == 'offer':
+            field = Offer.active.get(product_id=self.initia[field_name])
+        elif field_name == 'order':
+            field = Order.objects.get(order_code=self.initial[field_name])
+        elif field_name == 'amount' or field_name == 'bonus_points':
+            field.value = self.initial[field_name]
+        return super().get_initial_for_field(field, field_name)
 
+    def save(self, user):
+        buying = Buying()
+        buying.user = user
+        buying.offer = self.offer
+        buying.order = self.order
+        buying.bonus_points = self.bonus_points
+        buying.amount = self.amount
+        buying.total_price = self.offer.get_price_with_discount * self.amount
+        buying.save()
+        return buying
+
+
+class CartCheckoutForm(RequestNotifiable, forms.ModelForm):
+    form_action = {'viewname': 'cart:confirm', 'kwargs': {}}
+    field_template = 'bootstrap/forms/cart_checkout.html'
 
-class CartCheckoutForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         self.helper = FormHelper()
         self.helper.form_method = 'post'
         self.helper.form_action = reverse_lazy(**self.form_action)
         self.helper.layout = Layout(
-            Field('customer_name'),
-            Field('customer_email'),
-            Field('customer_user'),
-            Field('phone'),
-            Field('customer_address'),
-            Field('city'),
-            Field('buyings'),
-            Field('comment'),
+            Field('customer_name', css_class="order__input", template=self.field_template),
+            Field('customer_email', css_class="order__input", template=self.field_template),
+            Field('customer_user', css_class="order__input", template=self.field_template),
+            Field('phone', css_class="order__input", template=self.field_template),
+            Field('customer_address', css_class="order__input", template=self.field_template),
+            Field('city', css_class="order__input", template=self.field_template),
+            Field('comment', css_class="order__input", template=self.field_template),
             Div(
-                Submit('Подвердить'),
+                Submit('checkout', value=_('Подтвердить'), style="margin: 0 auto;"),
                 css_class='catalog__btn'
             )
         )
 
         super().__init__(*args, **kwargs)
 
-    class Model:
+    def save(self, commit=True):
+        if not City.objects.filter(name=self.cleaned_data['city']).exists():
+            city = City()
+            city.name = self.cleaned_data['city']
+            city.save()
+            self.instance.city = city
+        return super().save(commit)
+
+    def send_order_invoice(self, request):
+        return send_user_order_notification.delay(self.instance.id, request)
+
+    def send_order_request(self, request):
+        context = {
+            'from_email': settings.DEFAULT_FROM_EMAIL,
+            'recipients': (settings.DEFAULT_FROM_EMAIL,),
+            'email': {
+                'subject': _('У вас новый заказ'),
+                'order': self.instance,
+            },
+            'send_at_date': self.instance.create_at,
+
+        }
+        return send_admin_order_notification.delay(context)
+
+    class Meta:
         model = Order
         fields = (
-            'customer_name', 'customer_email', 'customer_user',
-            'phone', 'customer_address', 'city', 'buyings',
-            'comment'
+            'customer_name', 'customer_email', 'phone', 'customer_address', 'city', 'comment'
         )
+        widgets = {
+            'city': forms.TextInput()
+        }
+
 
 class ProductOfferPriceFilterForm(QueryFormBase):
     min_price = 0

cart/models.py

@@ -99,12 +99,20 @@ class SupplyTarget(AbstractDateTimeModel):
 
 
 class Discount(AbstractDateTimeModel):
-    code = models.CharField(max_length=50, blank=True, unique=True, default=str(uuid.uuid4()))
-    valid_from = models.DateTimeField(auto_now_add=True, blank=True)
-    valid_to = models.DateTimeField(default=now() + timedelta(days=7), blank=True)
-    value = models.IntegerField(validators=[MinValueValidator(0), MaxValueValidator(100)], default=0,
+    def upload_file_to(self, filename):
+        return "discounts/{name}/{filename}".format(**{
+            'name': self.name,
+            'filename': filename
+        })
+
+    name = models.CharField(_('Имя'), max_length=255)
+    image = models.FileField(_('Изображение'), upload_to=upload_file_to, blank=True, null=True)
+    code = models.CharField(_('Код'), max_length=50, blank=True, unique=True, default=str(uuid.uuid4()))
+    valid_from = models.DateTimeField(_('Начало'), auto_now_add=True, blank=True)
+    valid_to = models.DateTimeField(_('Конец'), default=now() + timedelta(days=7), blank=True)
+    value = models.IntegerField(_('Процент'), validators=[MinValueValidator(0), MaxValueValidator(100)], default=0,
                                 help_text=_('Указываем целым числом. Пример: 30 = 30%'))
-    active = models.BooleanField(default=True)
+    active = models.BooleanField(_('Активная'), default=True)
 
     def __str__(self):
         return self.code
@@ -171,71 +179,6 @@ class Offer(AbstractStatusModel):
         verbose_name_plural = _('Позиции')
 
 
-# ------------------------------------------ Buying status --------------------------------------------------- #
-BUYING_STATUS_IN_CART = 25
-BUYING_STATUS_PENDING = 50
-BUYING_STATUS_PAID = 75
-BUYING_STATUS_CHOICES = (
-    (BUYING_STATUS_IN_CART, _('В корзине')),
-    (BUYING_STATUS_PENDING, _('Обрабатываеться')),
-    (BUYING_STATUS_PAID, _('Оплаченно'))
-)
-
-BUYING_DEFAULT_CHOICE = BUYING_STATUS_IN_CART
-
-
-class BuyingManager(ActiveOnlyManager, models.Manager):
-    def get_user_buyings(self, user):
-        qs = self.get_queryset()
-        return qs.filter(user=user).all()
-
-    def get_buying_total_price(self, user=None):
-        qs = self.get_user_buyings(user) if user else self.get_queryset()
-        return qs.aggregate(Sum('total_price'))
-
-    def get_buying_total_bonus_points(self, user=None):
-        qs = self.get_user_buyings(user) if user else self.get_queryset()
-        return qs.aggregate(Sum('bonus_points'))
-
-    def get_buying_total_cashback(self, user=None):
-        qs = self.get_user_buyings(user) if user else self.get_queryset()
-        return qs.select_related('buying_cashback').aggregate(Sum('amount'))
-
-
-class Buying(AbstractStatusModel):
-    user = models.ForeignKey(get_user_model(), verbose_name=_('пользователь'), on_delete=models.CASCADE)
-    offer = models.ForeignKey(Offer, verbose_name=_('позиция'), on_delete=models.CASCADE)
-    bonus_points = models.IntegerField(_('бонусы'), validators=(MinValueValidator(0),))
-    status = models.SmallIntegerField(_('статус'), default=BUYING_DEFAULT_CHOICE, choices=BUYING_STATUS_CHOICES)
-    amount = models.SmallIntegerField(_('колличество'), default=0)
-    total_price = models.DecimalField(_('цена'), max_digits=10, decimal_places=2)
-
-    active = BuyingManager()
-
-    @property
-    def is_in_cart(self):
-        return self.status == BUYING_STATUS_IN_CART
-
-    @property
-    def is_pending(self):
-        return self.status == BUYING_STATUS_PENDING
-
-    @property
-    def is_paid(self):
-        return self.status == BUYING_STATUS_PAID
-
-    def __str__(self):
-        return "{product_name}({product_amount}) - {price}".format(**{
-            'product_name': self.offer.product.name,
-            'product_amount': self.amount,
-            'price': self.total_price
-        })
-
-    class Meta:
-        verbose_name = _('Покупка')
-        verbose_name_plural = _('Покупки')
-
-
 STATUS_GAINED = 0
 STATUS_SPENT = 100
 CASHBACK_STATUS_CHOICES = (
@@ -285,7 +228,7 @@ ORDER_STATUS_DEFAULT = ORDER_STATUS_NEW
 
 class Order(AbstractStatusModel):
     order_code = models.CharField(_('код заказа'), max_length=255, default=str(uuid.uuid4()))
-    customer_name = models.CharField(_('bмя'), max_length=255)
+    customer_name = models.CharField(_('имя'), max_length=255)
     customer_email = models.EmailField(_('email'), blank=True, null=True, default=None)
     customer_user = models.ForeignKey(
         get_user_model(), on_delete=models.SET_NULL,
@@ -302,7 +245,6 @@ class Order(AbstractStatusModel):
     customer_address = models.TextField(_('адрес'))
     city = models.ForeignKey(City, on_delete=models.PROTECT, verbose_name=_('Город'))
 
-    buyings = models.ManyToManyField(Buying, verbose_name=_('Покупки'))
     total_price = models.DecimalField(_('стоимость'), max_digits=10, decimal_places=2, default=0)
     comment = models.TextField(_('комментарий'), blank=True, null=True, default=None)
     status = models.SmallIntegerField(_('статус'), default=ORDER_STATUS_CHOICES, choices=ORDER_STATUS_DEFAULT)
@@ -316,6 +258,72 @@ class Order(AbstractStatusModel):
         verbose_name_plural = _('Заказы')
 
 
+# ------------------------------------------ Buying status --------------------------------------------------- #
+BUYING_STATUS_IN_CART = 25
+BUYING_STATUS_PENDING = 50
+BUYING_STATUS_PAID = 75
+BUYING_STATUS_CHOICES = (
+    (BUYING_STATUS_IN_CART, _('В корзине')),
+    (BUYING_STATUS_PENDING, _('Обрабатываеться')),
+    (BUYING_STATUS_PAID, _('Оплаченно'))
+)
+
+BUYING_DEFAULT_CHOICE = BUYING_STATUS_IN_CART
+
+
+class BuyingManager(ActiveOnlyManager, models.Manager):
+    def get_user_buyings(self, user):
+        qs = self.get_queryset()
+        return qs.filter(user=user).all()
+
+    def get_buying_total_price(self, user=None):
+        qs = self.get_user_buyings(user) if user else self.get_queryset()
+        return qs.aggregate(Sum('total_price'))
+
+    def get_buying_total_bonus_points(self, user=None):
+        qs = self.get_user_buyings(user) if user else self.get_queryset()
+        return qs.aggregate(Sum('bonus_points'))
+
+    def get_buying_total_cashback(self, user=None):
+        qs = self.get_user_buyings(user) if user else self.get_queryset()
+        return qs.select_related('buying_cashback').aggregate(Sum('amount'))
+
+
+class Buying(AbstractStatusModel):
+    order = models.ForeignKey(Order, verbose_name=_('пользователь'), on_delete=models.CASCADE)
+    user = models.ForeignKey(get_user_model(), verbose_name=_('пользователь'), on_delete=models.CASCADE)
+    offer = models.ForeignKey(Offer, verbose_name=_('позиция'), on_delete=models.CASCADE)
+    bonus_points = models.IntegerField(_('бонусы'), validators=(MinValueValidator(0),))
+    status = models.SmallIntegerField(_('статус'), default=BUYING_DEFAULT_CHOICE, choices=BUYING_STATUS_CHOICES)
+    amount = models.SmallIntegerField(_('колличество'), default=0)
+    total_price = models.DecimalField(_('цена'), max_digits=10, decimal_places=2)
+
+    active = BuyingManager()
+
+    @property
+    def is_in_cart(self):
+        return self.status == BUYING_STATUS_IN_CART
+
+    @property
+    def is_pending(self):
+        return self.status == BUYING_STATUS_PENDING
+
+    @property
+    def is_paid(self):
+        return self.status == BUYING_STATUS_PAID
+
+    def __str__(self):
+        return "{product_name}({product_amount}) - {price}".format(**{
+            'product_name': self.offer.product.name,
+            'product_amount': self.amount,
+            'price': self.total_price
+        })
+
+    class Meta:
+        verbose_name = _('Покупка')
+        verbose_name_plural = _('Покупки')
+
+
 @receiver(post_save, sender=Order)
 def product_in_order_post_save(sender, instance, created, **kwargs):
     order = instance.order

cart/tasks.py

@@ -1,23 +1,17 @@
 import celery
-from django.conf import settings
-from celery import task
-from django.template.loader import render_to_string
-from django.core.mail import send_mail, EmailMessage
-from io import BytesIO
 import weasyprint
 import pytils
+from io import BytesIO
 
-from cart.models import Order
+from django.conf import settings
+from django.template.loader import render_to_string, get_template
+from django.core.mail import EmailMessage, EmailMultiAlternatives
 
-SUPPLIER_INFO = '''ООО "Русские Программы", ИНН 7713409230, КПП 771301001,
-                127411, Москва г, Дмитровское ш., дом № 157, корпус 7, тел.: +74957258950'''
+from cart.models import Order
 
-requisites = {'name': 'ООО "Русские Программы"', 'bank': 'АО "СМП БАНК" Г. МОСКВА', 'INN': '7713409230',
-              'KPP': '771301001', 'BIK': '44525503', 'bank_acc': '30101810545250000503', 'acc': '40702810300750000177',
-              'sup_info': SUPPLIER_INFO}
 
 @celery.task
-def send_user_order_notification(order_id):
+def send_user_order_notification(order_id, request):
     """
     Sending Email of order creating
     """
@@ -26,20 +20,44 @@ def send_user_order_notification(order_id):
     verb_cur = pytils.numeral.choose_plural(round(order.total_price), ("рубль", "рубля", "рублей"))
     subject = 'Заказ № {}'.format(order.id)
     message = 'Уважаемый, {}, номер Вашего заказа {}. \
-        Пожалуйста, совершите платеж по поручению в приложении к этому письму в течение 14 дней.'.format(order.customer_name, order.id)
+        Пожалуйста, совершите платеж по поручению в приложении к этому письму в течение 14 дней.'.format(
+        order.customer_name, order.id)
     mail_send = EmailMessage(subject, message, 'admin@myshop.ru', [order.customer_email])
 
     # html = render_to_string('orders:AdminOrderPDF', args=[order_id])
 
-    html = render_to_string('orders/pdf.html', {**requisites, 'order': order,
+    html = render_to_string('orders/pdf.html', {**settings.PAY_REQUISITES, 'order': order,
                                                 'verb_cur': verb_cur, 'verb_price': verb_price})
     rendered_html = html.encode(encoding="UTF-8")
     out = BytesIO()
     weasyprint.HTML(string=rendered_html).write_pdf(out,
-                        stylesheets=[weasyprint.CSS(settings.STATIC_ROOT + 'css/bootstrap.min.css')])
-
-    # weasyprint.HTML(string=rendered_html, base_url=request.build_absolute_uri()).write_pdf(response,
-    #                             stylesheets=[weasyprint.CSS(settings.STATIC_ROOT + '/css/bootstrap.min.css')])
+                                                    stylesheets=[
+                                                        weasyprint.CSS(settings.STATIC_ROOT + 'css/build.css')])
+    order_invoice_name = 'Order_' + order.order_code
+    weasyprint.HTML(string=rendered_html, base_url=request.build_absolute_uri()).write_pdf(order_invoice_name,
+                                                                                           stylesheets=[weasyprint.CSS(
+                                                                                               settings.STATIC_ROOT + '/css/build.css')])
     mail_send.attach('order_{}.pdf'.format(order_id), out.getvalue(), 'application/pdf')
     mail_send.send()
     return mail_send
+
+
+@celery.task
+def send_admin_order_notification(context):
+    body = get_template('emails/html/admin_order_request.html')
+    body_text = get_template('emails/txt/admin_order_request.txt')
+
+    email = EmailMultiAlternatives(
+        context['email']['subject'],
+        body_text.render(context['email']),
+        context['from_email'],
+        context['recipients']
+    )
+
+    email.attach_alternative(body.render(context['email']), 'text/html')
+    try:
+        email.send()
+    except Exception as e:
+        return False
+
+    return True

cart/urls.py

@@ -6,10 +6,11 @@ from . import views
 urlpatterns = [
     re_path(r'^history/', views.BuyingsHistory.as_view(), name='history'),
     re_path(r'^buyings/$', views.CartView.as_view(), name='buyings'),
+    re_path(r'^discounts/$', views.DiscountListView.as_view(), name='discounts'),
 
     re_path(r'^add/$', views.CartAddView.as_view(), name='add'),
     re_path(r'^remove/$', views.CartRemoveView.as_view(), name='remove'),
-    re_path(r'^checkout/$', views.CartCheckoutView.as_view(),name='checkout'),
+    re_path(r'^checkout/$', views.CartCheckoutView.as_view(), name='checkout'),
     re_path(r'^confirm/$', views.CartConfirmView.as_view(), name='confirm'),
 
     # discount: @TODO: check if this logic is ready for production

cart/utils.py

@@ -29,6 +29,7 @@ class Cart(object):
         self.store.modified = True
 
     def remove(self, offer_id):
+        offer_id = str(offer_id)
         if offer_id in self.cart:
             del self.cart[offer_id]
             self.save()

cart/views.py

@@ -1,26 +1,30 @@
 import datetime
+import logging
 import uuid
 from functools import reduce
 
 from decimal import Decimal
 from django.conf import settings
+from django.db import transaction
 from django.shortcuts import redirect
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _
-from django.views.generic.edit import BaseFormView
+from django.views.generic import ListView
 
-from cart.utils import Cart
 from cart.models import Buying, Discount, Offer
-from core.views import ProtectedListView, ProtectedTemplateView, ProtectedView, ProtectedFormView
+from core.models import City
+from core.views import ProtectedListView, ProtectedTemplateView, ProtectedView, ProtectedFormView, ProtectedBaseFormView
 
 from .forms import (
     CartRemoveBuyingForm,
     DiscountForm,
-    CartAddInlineForm, CartCheckoutForm
-)
+    CartAddInlineForm, CartCheckoutForm,
+    CartCheckoutBuyingForm)
 
+logger = logging.getLogger(__name__)
 
-class CartAddView(BaseFormView):
+
+class CartAddView(ProtectedBaseFormView):
     http_method_names = ('post',)
     form_class = CartAddInlineForm
 
@@ -32,7 +36,7 @@ class CartAddView(BaseFormView):
         return super().form_valid(form)
 
 
-class CartRemoveView(BaseFormView):
+class CartRemoveView(ProtectedBaseFormView):
     http_method_names = ('post',)
     model = Offer
     form_class = CartRemoveBuyingForm
@@ -41,8 +45,8 @@ class CartRemoveView(BaseFormView):
         return self.request.META.get('HTTP_REFERRER', reverse_lazy('products:product_list'))
 
     def form_valid(self, form):
-        self.request.cart.remove(form.cleaned_data['offer'])
-        return super().form_valid()
+        self.request.cart.remove(form.cleaned_data['offer'].product_id)
+        return super().form_valid(form)
 
 
 class CartView(ProtectedListView):
@@ -75,7 +79,7 @@ class CartView(ProtectedListView):
         context = super().get_context_data(object_list=object_list, **kwargs)
         context['title'] = self.title
         context['total_price'] = self.get_total_price(self.object_list)
-        context['total_price_currency'] = context['total_cashback_currency'] = self.object_list.first().currency.sign
+        context['total_price_currency'] = context['total_cashback_currency'] = self.object_list.first().currency.sign if self.object_list.first() else ''
         context['total_cashback'] = self.get_total_cashback(self.object_list)
         return context
 
@@ -84,17 +88,50 @@ class CartCheckoutView(ProtectedFormView):
     http_method_names = ('get', 'post',)
     template_name = 'cart/checkout.html'
     form_class = CartCheckoutForm
+    title = _('Оформление заказа')
 
     def get_form_kwargs(self):
-        return super().get_form_kwargs()
-
-    def form_valid(self, form):
-        return super().form_valid(form)
-
-
-class CartConfirmView(ProtectedTemplateView):
+        kwargs = super().get_form_kwargs()
+        kwargs['initial'] = {
+            'customer_name': self.request.user.profile.full_name,
+            'customer_email': self.request.user.email,
+            'phone': self.request.user.profile.phone,
+            'customer_address': self.request.user.profile.address,
+            'city': City.objects.filter(name=self.request.user.profile.city).first()
+        }
+        return kwargs
+
+
+class CartConfirmView(ProtectedFormView):
     http_method_names = ('post',)
     template_name = 'cart/confirm.html'
+    form_class = CartCheckoutForm
+    title = _('Подтверждение заказа')
+
+    def form_valid(self, form):
+        if form.is_valid():
+            try:
+                with transaction.atomic():
+                    form.save()
+                    for item in self.request.cart:
+                        buying_form = CartCheckoutBuyingForm(initial={
+                            'offer': item,
+                            'order': form.instance.order_code,
+                            'amount': self.request.cart[item]['quantity']
+                        })
+                        buying_form.save(self.request.user)
+                form.send_order_invoice(self.request)
+                form.send_order_request(self.request)
+                self.request.cart.clear()
+            except Exception as e:
+                logger.critical(e)
+
+        return super().form_invalid(form)
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['title'] = self.title
+        return context
 
 
 class BuyingsHistory(ProtectedListView):
@@ -114,6 +151,18 @@ class BuyingsHistory(ProtectedListView):
         context['title'] = self.title
         return context
 
+
+class DiscountListView(ListView):
+    template_name = 'cart/discount_list.html'
+    model = Discount
+    title = _('Акции / Cashback')
+
+    def get_context_data(self, *, object_list=None, **kwargs):
+        context = super().get_context_data(object_list=object_list, **kwargs)
+        context['title'] = self.title
+        return context
+
+
 # Discount views # @TODO: TEST FOR PRODUCTION
 class PointsApply(ProtectedTemplateView):
     http_method_names = ('post',)
@@ -124,8 +173,6 @@ class PointsApply(ProtectedTemplateView):
         return redirect('cart:buyings')
 
 
-
-
 class PointsRevoke(ProtectedView):
     http_method_names = ('post',)