Added membership pricing view. Added membership pricing html. Added membership pricing url. Started booking view. Started integrating booking.js. Added calendar date range js lib. Fixing date picker. Added function to calculate remaining free days. Updated function to calculate booking price. Added BookingDatesForm. Added backend validation for booking dates. fixed booking form. adding pricing to booking payment view. Added free days to booking payment view. Started booking payment stripe flow. Redefined dispatch method to booking view. Now login is required for payment selecting dates and booking. Added date range to booking payment. Fixed booking select dates view. Added form validations to booking form. Created a order after a confirm a booking. Added free_days to booking model in order to facilitate free_days Availability for the next booking. Creating a Stripe charge. Creating Booking model instance. Refactor booking payment views. Associated an order to a stripe charge. Associated booking order instance with a booking instance.

digitalglarus/models.py

@@ -6,9 +6,10 @@ 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
+# from membership.models import StripeCustomer
+# from utils.models import BillingAddress
 
 
 class MembershipType(models.Model):
@@ -64,15 +65,8 @@ class Membership(models.Model):
         return instance
 
 
-class MembershipOrder(models.Model):
+class MembershipOrder(Ordereable, models.Model):
     membership = models.ForeignKey(Membership)
-    customer = models.ForeignKey(StripeCustomer)
-    billing_address = models.ForeignKey(BillingAddress)
-    created_at = models.DateTimeField(auto_now_add=True)
-    approved = models.BooleanField(default=False)
-    last4 = models.CharField(max_length=4)
-    cc_brand = models.CharField(max_length=10)
-    stripe_charge_id = models.CharField(max_length=100, null=True)
 
     @classmethod
     def create(cls, data):
@@ -84,6 +78,70 @@ class MembershipOrder(models.Model):
         return instance
 
 
+class BookingPrice(models.Model):
+    price_per_day = models.FloatField()
+    special_price_offer = models.FloatField()
+
+
+class Booking(models.Model):
+    start_date = models.DateField()
+    end_date = models.DateField()
+    price = models.FloatField()
+    free_days = models.IntegerField(default=0)
+
+    @classmethod
+    def create(cls, data):
+        instance = cls.objects.create(**data)
+        return instance
+
+    @classmethod
+    def get_ramaining_free_days(cls, user):
+        # ZERO_DAYS = 0
+        # ONE_DAY = 1
+        TWO_DAYS = 2
+
+        current_date = datetime.today()
+        current_month_bookings = cls.objects.filter(bookingorder__customer__user=user,
+                                                    start_date__month=current_date.month)
+        free_days = TWO_DAYS - sum(map(lambda x: x.days, current_month_bookings))
+        return free_days
+
+        # free_days = ZERO_DAYS if current_month_bookings.count() > 2 else TWO_DAYS
+        # if current_month_bookings.count() == 1:
+        #     booking = current_month_bookings.get()
+        #     booked_days = (booking.end_date - booking.start_date).days
+        #     free_days = ONE_DAY if booked_days == 1 else ZERO_DAYS
+        #     return free_days
+
+        # free_days = ZERO_DAYS if current_month_bookings.count() > 2 else TWO_DAYS
+        # return free_days
+
+    @classmethod
+    def booking_price(cls, user, start_date, end_date):
+        """
+            Calculate the booking price for requested dates
+            How it does:
+            1. Check if the user has booked the current month
+            2. Get how many days user wants to book
+            3. Get price per day from BookingPrices instance
+            4. Get available free days
+            5. Calculate price by  this formula -> (booking_days - free_days) * price_per_day
+        """
+        booking_prices = BookingPrice.objects.last()
+        price_per_day = booking_prices.price_per_day
+        booking_days = (end_date - start_date).days
+
+        free_days = cls.get_ramaining_free_days(user)
+        final_booking_price = (booking_days - free_days) * price_per_day
+        original_booking_price = (booking_days) * price_per_day
+
+        return original_booking_price, final_booking_price, free_days
+
+
+class BookingOrder(Ordereable, models.Model):
+    booking = models.OneToOneField(Booking)
+
+
 class Supporter(models.Model):
     name = models.CharField(max_length=200)
     description = models.TextField(null=True, blank=True)