import calendar from datetime import datetime, date, timedelta from dateutil.relativedelta import relativedelta from django.db import models from django.db.models import Q from cms.models import CMSPlugin from filer.fields.image import FilerImageField from django.core.urlresolvers import reverse from django.utils.functional import cached_property from .mixins import Ordereable # from membership.models import StripeCustomer # from utils.models import BillingAddress class MembershipType(models.Model): STANDARD = 'standard' MEMBERSHIP_TYPES = ( (STANDARD, 'Standard'), ) name = models.CharField(choices=MEMBERSHIP_TYPES, max_length=20) price = models.FloatField() @cached_property def days_left(self): current_date = date.today() _, days_in_month = calendar.monthrange(current_date.year, current_date.month) pass_days = current_date.day days_left = days_in_month - pass_days + 1 return days_left @cached_property def first_month_price(self): current_date = date.today() _, days_in_month = calendar.monthrange(current_date.year, current_date.month) pass_days = current_date.day days_left = days_in_month - pass_days + 1 percentage = days_left / days_in_month membership_price = self.price final_price = membership_price * percentage return final_price @cached_property def first_month_range(self): current_date = date.today() _, days_in_month = calendar.monthrange(current_date.year, current_date.month) pass_days = current_date.day days_left = days_in_month - pass_days end_date = current_date + timedelta(days=days_left) return current_date, end_date @cached_property def first_month_formated_range(self): start_date, end_date = self.first_month_range return "{} - {}".format(datetime.strftime(start_date, "%b, %d %Y"), datetime.strftime(end_date, "%b, %d %Y")) class Membership(models.Model): type = models.ForeignKey(MembershipType) active = models.BooleanField(default=True) @classmethod def create(cls, data): instance = cls.objects.create(**data) return instance @classmethod def is_digitalglarus_active_member(cls, user): past_month = (datetime.today() - relativedelta(months=1)).month has_order_current_month = Q(membershiporder__customer__user=user, membershiporder__created_at__month=datetime.today().month) has_order_past_month = Q(membershiporder__customer__user=user, membershiporder__created_at__month=past_month) active_membership = Q(active=True) return cls.objects.filter(has_order_past_month | has_order_current_month).\ filter(active_membership).exists() def deactivate(self): self.active = False self.save() class MembershipOrder(Ordereable, models.Model): membership = models.ForeignKey(Membership) def first_membership_range_date(self): start_date = self.created_at _, days_in_month = calendar.monthrange(start_date.year, start_date.month) pass_days = start_date.day days_left = days_in_month - pass_days end_date = start_date + timedelta(days=days_left) return start_date, end_date @classmethod def current_membership(cls, user): last_payment = cls.objects.\ filter(customer__user=user).last() start_date = last_payment.created_at _, days_in_month = calendar.monthrange(start_date.year, start_date.month) start_date.replace(day=1) end_date = start_date + timedelta(days=days_in_month) return start_date, end_date def get_membership_range_date(self): start_date = self.created_at _, days_in_month = calendar.monthrange(start_date.year, start_date.month) start_date.replace(day=1) end_date = start_date + timedelta(days=days_in_month) return start_date, end_date @classmethod def create(cls, data): stripe_charge = data.pop('stripe_charge', None) instance = cls.objects.create(**data) instance.stripe_charge_id = stripe_charge.id instance.last4 = stripe_charge.source.last4 instance.cc_brand = stripe_charge.source.brand instance.save() return instance class BookingPrice(models.Model): price_per_day = models.FloatField() special_month_price = models.FloatField() class Booking(models.Model): start_date = models.DateField() end_date = models.DateField() price = models.FloatField() free_days = models.IntegerField(default=0) final_price = models.FloatField() @classmethod def create(cls, data): instance = cls.objects.create(**data) return instance @classmethod def get_ramaining_free_days(cls, user, start_date, end_date): TWO_DAYS = 2 ONE_DAY = 1 start_month = start_date.month end_month = end_date.month months = abs(start_month - (end_month + 12) if end_month < start_month else end_month - start_month) current_date = datetime.today() current_month_bookings = cls.objects.filter(bookingorder__customer__user=user, start_date__month=current_date.month) free_days_this_month = TWO_DAYS - sum(map(lambda x: x.free_days, current_month_bookings)) if start_date == end_date and free_days_this_month == TWO_DAYS: free_days_this_month = ONE_DAY total_free_days = months * TWO_DAYS + free_days_this_month return total_free_days @staticmethod def membership_required_booking_months(start_date, end_date): start_month = start_date.month end_month = end_date.month months = abs(start_month - (end_month + 12) if end_month < start_month else end_month - start_month) return months @classmethod def booking_price(cls, user, start_date, end_date): MAX_MONTH_PRICE = BookingPrice.objects.last().special_month_price MAX_MONTH_DAYS_PROMOTION = 31 MIN_MONTH_DAYS_PROMOTION = 19 booking_prices = BookingPrice.objects.last() price_per_day = booking_prices.price_per_day booking_days = (end_date - start_date).days + 1 months = booking_days // MAX_MONTH_DAYS_PROMOTION remanent_days = booking_days % MAX_MONTH_DAYS_PROMOTION months_prices = months * MAX_MONTH_PRICE remanent_days_price = remanent_days * price_per_day \ if remanent_days <= MIN_MONTH_DAYS_PROMOTION else MAX_MONTH_PRICE normal_price = months_prices + remanent_days_price free_days = cls.get_ramaining_free_days(user, start_date, end_date) final_booking_price = normal_price - (free_days * price_per_day) # Calculating membership required months price for booking required_membership_months = 0 membership_booking_price = 0.0 # if not BookingOrder.user_has_not_bookings(user): today = datetime.today().date() membership_price = MembershipType.objects.get(name=MembershipType.STANDARD).price required_membership_months = cls.membership_required_booking_months(today, end_date) membership_booking_price = membership_price * required_membership_months # Add required membership months to final prices final_booking_price += membership_booking_price return normal_price, final_booking_price, free_days,\ required_membership_months, membership_booking_price class BookingOrder(Ordereable, models.Model): booking = models.OneToOneField(Booking) original_price = models.FloatField() special_month_price = models.FloatField() membership_required_months = models.IntegerField(default=0) membership_required_months_price = models.FloatField(default=0) @classmethod def user_has_not_bookings(cls, user): return cls.objects.filter(customer__user=user).exists() def get_booking_cc_data(self): return { 'last4': self.last4, 'cc_brand': self.cc_brand, } def booking_days(self): return (self.booking.end_date - self.booking.start_date).days + 1 class Supporter(models.Model): name = models.CharField(max_length=200) description = models.TextField(null=True, blank=True) def __str__(self): return "%s" % (self.name) def get_absolute_url(self): return reverse('dgSupporters_view', args=[self.pk]) class DGGallery(models.Model): parent = models.ForeignKey('self', blank=True, null=True) name = models.CharField(max_length=30) def __str__(self): return "%s" % (self.name) def get_absolute_url(self): return reverse('dgGallery_view', args=[self.pk]) class Meta: verbose_name_plural = 'dgGallery' # class DGPicture(models.Model): gallery = models.ForeignKey(DGGallery) image = FilerImageField(related_name='dg_gallery') description = models.CharField(max_length=60) def __str__(self): return "%s" % (self.image.name) class DGGalleryPlugin(CMSPlugin): dgGallery = models.ForeignKey(DGGallery) class DGSupportersPlugin(CMSPlugin): pass