Created a base template for login / signup, Fixed some html design issues on login / signup pages, Added Billing Address Form to payment page, Handle Billing Address Form validation, Created VirtualMachinePlan model in order to store user purchased VM, Create method in order to create a stripe plan , Investigated about stripe payment workflows

utils/stripe_utils.py

@@ -0,0 +1,57 @@
+import stripe
+from django.conf import settings
+
+
+class StripeUtils(object):
+
+    CURRENCY = 'chf'
+    INTERVAL = 'month'
+    SUCCEEDED_STATUS = 'succeeded'
+
+    def __init__(self):
+        self.stripe = stripe
+        self.stripe.api_key = settings.STRIPE_API_PRIVATE_KEY
+
+    def create_plan(self, amount, name, id):
+        self.stripe.Plan.create(
+          amount=amount,
+          interval=self.INTERVAL,
+          name=name,
+          currency=self.CURRENCY,
+          id=id)
+
+    def make_payment(self, user, amount, token, time):
+        try:
+            # Use Stripe's library to make requests...
+            charge = self.stripe.Charge.create(
+                amount=amount,
+                currency=self.CURRENCY,
+                source=token,
+                description=settings.STRIPE_DESCRIPTION_ON_PAYMENT
+            )
+
+            if charge.get('status') == self.SUCCEEDED_STATUS:
+                # do something
+                pass
+            return charge['status']
+        except self.stripe.error.CardError as e:
+            # Since it's a decline, stripe.error.CardError will be caught
+            body = e.json_body
+            err = body['error']
+            return err['message']
+        except self.stripe.error.RateLimitError as e:
+            return "Too many requests made to the API too quickly"
+        except self.stripe.error.InvalidRequestError as e:
+            return "Invalid parameters"
+        except self.stripe.error.AuthenticationError as e:
+            # Authentication with Stripe's API failed
+            # (maybe you changed API keys recently)
+            pass
+        except self.stripe.error.APIConnectionError as e:
+            return "Currently its not possible to make payments."
+        except self.stripe.error.StripeError as e:
+            # maybe send email
+            return "Currently its not possible to make payments."
+        except Exception as e:
+            # maybe send email
+            return "Currently its not possible to make payments."