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# -*- coding: utf-8 -*- |
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import datetime |
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from django.conf import settings |
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from django.core.urlresolvers import reverse |
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from django.db import models |
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from django.db.models import Q |
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from django.db.models.signals import post_save |
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from django.dispatch import receiver |
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from django.utils.translation import ugettext_lazy as _ |
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from reservable_pricing.models import PeriodPriceModifier |
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from reservations.notify_events import ReservationsOrderReceived, get_order_details |
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from shoop.core.models import Product, Order, OrderLine |
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from shoop.core.models._orders import OrderStatusRole |
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from shoop.front.signals import order_creator_finished |
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class ReservableProduct(models.Model): |
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"""Products that have reservable properties.""" |
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product = models.OneToOneField(Product, verbose_name=_(u"reservable product"), related_name="reservable") |
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check_out_time = models.TimeField(verbose_name=_(u"sign out time"), default=datetime.time(hour=12)) |
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check_in_time = models.TimeField(verbose_name=_(u"sign in time"), default=datetime.time(hour=15)) |
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available_count = models.IntegerField(verbose_name=_(u"available quantity"), default=1) |
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pricing_per_person = models.BooleanField(verbose_name=_("pricing per person"), default=False) |
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pricing_per_person_included = models.PositiveIntegerField( |
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verbose_name=_("people included in price"), null=True, blank=True, |
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) |
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pricing_per_person_price = models.DecimalField( |
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verbose_name=_("price per person"), null=True, blank=True, decimal_places=2, max_digits=6, |
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) |
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sort_order = models.PositiveIntegerField(verbose_name=_(u"sort order"), default=50) |
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class Meta: |
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verbose_name = _('reservable product') |
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verbose_name_plural = _('reservable products') |
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ordering = ("sort_order",) |
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def __str__(self): |
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return self.product.safe_translation_getter("name") or self.product.sku |
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def get_reserved_dates(self, start, end): |
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"""Get a list of reserved dates, between and including start and end. |
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Args: |
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start (date) |
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end (date) |
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50
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Returns: |
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list of dates or [] |
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""" |
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return Reservation.get_reserved_days_for_period(start, end, self) |
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def is_period_days_free(self, start, end): |
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"""Check if period is free.""" |
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return len(self.get_reserved_dates(start, end)) == 0 |
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@property |
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def has_price_modifiers(self): |
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"""Check if this reservable has price modifiers. |
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Returns: |
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True or False |
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""" |
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if self.pricing_per_person: |
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return True |
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if self.period_price_modifiers.exists(): |
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return True |
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return False |
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@property |
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def period_price_modifiers(self): |
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future_period_modifiers = PeriodPriceModifier.objects.filter( |
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product=self.product, start_date__gte=datetime.date.today()).order_by("start_date") |
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return future_period_modifiers |
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class Reservation(models.Model): |
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"""A single reservation.""" |
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reservable = models.ForeignKey( |
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ReservableProduct, verbose_name=_(u"reservable product"), related_name="reservations") |
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order_line = models.OneToOneField( |
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OrderLine, verbose_name=_("order line"), related_name="reservation", null=True, blank=True) |
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start_time = models.DateTimeField(verbose_name=_(u"starts")) |
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end_time = models.DateTimeField(verbose_name=_(u"ends")) |
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persons = models.IntegerField(verbose_name=_(u"persons"), default=1) |
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class Meta: |
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verbose_name = _('reservation') |
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verbose_name_plural = _('reservations') |
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def __str__(self): |
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return str(self.reservable) |
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def save(self, *args, **kwargs): |
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# Validate end_time is past start_time |
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if self.end_time <= self.start_time: |
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raise ValueError |
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return super(Reservation, self).save(*args, **kwargs) |
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@staticmethod |
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def get_reserved_days_for_period(start_date, end_date, reservable=None): |
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"""Get a list of reserved dates, between and including start and end. |
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Args: |
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start_date (date) |
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end_date (date) |
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reservable (ReservableProduct, optional) - optionally filter by reservable |
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Returns: |
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list of dates or [] |
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""" |
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reservations = Reservation.objects.filter( |
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start_time__gte=start_date, end_time__lte=end_date, |
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) |
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reservations = reservations | Reservation.objects.filter( |
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Q(start_time__range=(start_date, end_date)) | Q(end_time__range=(start_date, end_date)) |
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) |
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reservations = reservations | Reservation.objects.filter( |
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( |
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Q(start_time__lt=start_date) & Q(end_time__gte=start_date) |
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) | |
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( |
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Q(start_time__lte=end_date) & Q(end_time__gt=end_date) |
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) |
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) |
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if reservable: |
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reservations = reservations.filter(reservable=reservable) |
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dates = [] |
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for reservation in reservations.distinct(): |
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current = max(reservation.start_time.date(), start_date) |
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while current < reservation.end_time.date() and current <= end_date: |
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dates.append(current) |
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current += datetime.timedelta(days=1) |
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return dates |
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@receiver(order_creator_finished) |
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def send_order_received_notification(sender, **kwargs): |
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order = kwargs["order"] |
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request = kwargs["request"] |
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ReservationsOrderReceived( |
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order=order, |
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order_id=order.id, |
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order_details=get_order_details(order), |
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order_url="%s%s" % ( |
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settings.KAKARAVAARA_SITE_URL, reverse("shoop:order_complete", kwargs={"pk": order.pk, "key": order.key}) |
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), |
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customer_email=order.email, |
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customer_phone=order.phone, |
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customer_name=order.billing_address.name if order.billing_address else "", |
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language=request.LANGUAGE_CODE, |
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additional_notes=order.customer_comment, |
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total_sum=order.taxful_total_price_value, |
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).run() |
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@receiver(post_save, sender=Order) |
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def order_post_save(sender, instance, **kwargs): |
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if instance.status.role == OrderStatusRole.CANCELED: |
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reservations = Reservation.objects.filter(order_line__order=instance) |
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for reservation in reservations: |
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reservation.delete() |
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jaywink /
kakaravaara3
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