Add management command to manually verify phone numbers (#743)

* Add cmd to manully verify phone numbers

* Rework verify_phone command

engine/engine/management/commands/verify_phone.py

@@ -0,0 +1,52 @@
+from django.core.management.base import BaseCommand
+
+from apps.twilioapp.twilio_client import twilio_client
+from apps.twilioapp.utils import check_phone_number_is_valid
+from apps.user_management.models import User
+
+
+class Command(BaseCommand):
+    """
+    This command is to manually verify user's phone numbers.
+    """
+
+    def add_arguments(self, parser):
+        parser.add_argument("user_id", type=int, help="User id to manually verify phone number")
+        parser.add_argument("phone_number", type=str, help="Phone number to verify")
+
+        parser.add_argument(
+            "--override",
+            action="store_true",
+            help="Override existing phone number",
+        )
+
+    def handle(self, *args, **options):
+        user_id = options["user_id"]
+        phone_number = options["phone_number"]
+
+        if not check_phone_number_is_valid(phone_number):
+            self.stdout.write(self.style.ERROR('Invalid phone number "%s"' % phone_number))
+            return
+
+        try:
+            user = User.objects.get(pk=user_id)
+        except User.objects.DoesNotExists:
+            self.stdout.write(self.style.ERROR('Invalid user_id "%s"' % user_id))
+            return
+
+        if user.verified_phone_number and not options["override"]:
+            self.stdout.write(self.style.ERROR('User "%s" already has a phone number' % user_id))
+            return
+
+        normalized_phone_number, _ = twilio_client.normalize_phone_number_via_twilio(phone_number)
+        if normalized_phone_number:
+            user.save_verified_phone_number(normalized_phone_number)
+            user.unverified_phone_number = phone_number
+            user.save(update_fields=["unverified_phone_number"])
+        else:
+            self.stdout.write(self.style.ERROR('Invalid phone number "%s"' % phone_number))
+            return
+
+        self.stdout.write(
+            self.style.SUCCESS('Successfully verified phone number "%s" for user "%s"' % (phone_number, user_id))
+        )