Add deleteuser management command

datacenterlight/management/commands/deteteuser.py

@@ -0,0 +1,128 @@
+import logging
+import sys
+import stripe
+
+from django.core.management.base import BaseCommand
+from membership.models import CustomUser
+from hosting.models import (
+    HostingOrder, HostingBill, VMDetail, UserCardDetail, UserHostingKey
+)
+logger = logging.getLogger(__name__)
+
+
+def query_yes_no(question, default="yes"):
+    """Ask a yes/no question via raw_input() and return their answer.
+
+    "question" is a string that is presented to the user.
+    "default" is the presumed answer if the user just hits <Enter>.
+        It must be "yes" (the default), "no" or None (meaning
+        an answer is required of the user).
+
+    The "answer" return value is True for "yes" or False for "no".
+    """
+    valid = {"yes": True, "y": True, "ye": True,
+             "no": False, "n": False}
+    if default is None:
+        prompt = " [y/n] "
+    elif default == "yes":
+        prompt = " [Y/n] "
+    elif default == "no":
+        prompt = " [y/N] "
+    else:
+        raise ValueError("invalid default answer: '%s'" % default)
+
+    while True:
+        sys.stdout.write(question + prompt)
+        choice = input().lower()
+        if default is not None and choice == '':
+            return valid[default]
+        elif choice in valid:
+            return valid[choice]
+        else:
+            sys.stdout.write("Please respond with 'yes' or 'no' "
+                             "(or 'y' or 'n').\n")
+
+
+class Command(BaseCommand):
+    help = '''Deletes all resources of the user from the project'''
+
+    def add_arguments(self, parser):
+        parser.add_argument('customer_email', nargs='+', type=str)
+
+    def handle(self, *args, **options):
+        try:
+            for email in options['customer_email']:
+                r = query_yes_no("Are you sure you want to delete {} ?".format(
+                    email, None
+                ))
+                if r:
+                    logger.debug("Deleting user {}".format(email))
+                    # Get stripe customer instance and delete the customer
+                    try:
+                        cus_user = CustomUser.objects.get(email=email)
+                    except CustomUser.DoesNotExist as dne:
+                        logger.error("CustomUser with email {} does "
+                                     "not exist".format(email))
+                        sys.exit(1)
+                    stripe_customer = cus_user.stripecustomer
+                    del_response = stripe.Customer.delete(
+                        stripe_customer.stripe_id
+                    )
+                    if del_response.deleted:
+                        logger.debug(
+                            "StripeCustomer {} associated with {} deleted"
+                            "".format(stripe_customer.stripe_id, email)
+                        )
+                    else:
+                        logger.error("Error while deleting the StripeCustomer")
+
+                    hosting_orders = HostingOrder.objects.filter(
+                        customer=stripe_customer.id
+                    )
+
+                    vm_ids = []
+                    for order in hosting_orders:
+                        vm_ids.append(order.vm_id)
+                        # Delete Billing Address
+                        order.billing_address.delete()
+
+                        # Delete Order Detail
+                        order.order_detail.delete()
+
+                        # Delete order
+                        order.delete()
+
+                    hosting_bills = HostingBill.objects.filter(
+                        customer=stripe_customer.id
+                    )
+
+                    # delete hosting bills
+                    for bill in hosting_bills:
+                        bill.billing_address.delete()
+                        bill.delete()
+
+                    # delete VMDetail
+                    for vm_id in vm_ids:
+                        VMDetail.objects.get(vm_id=vm_id)
+
+                    # delete UserCardDetail
+                    ucd = UserCardDetail.objects.filter(
+                        customer=stripe_customer.id
+                    )
+                    ucd.delete()
+
+                    # delete UserHostingKey
+                    uhks = UserHostingKey.objects.filter(
+                        user=cus_user.id
+                    )
+                    for uhk in uhks:
+                        uhk.delete()
+
+                    # delete stripe customer
+                    stripe_customer.delete()
+
+                    # delete CustomUesr
+                    cus_user.delete()
+                    logger.debug("Deleted {} SUCCESSFULLY.".format(email))
+        except Exception as e:
+            print(" *** Error occurred. Details {}".format(str(e)))