Updated the cnam demo to not try associations if no approved CNAMs are available

cnam_demo.py

@@ -1,8 +1,15 @@
 #!/usr/bin/env python
 import pprint
 import os
+import random
+import string
 from flowroutenumbersandmessaging.flowroutenumbersandmessaging_client import FlowroutenumbersandmessagingClient
 
+
+# Helper function for random strings
+def random_generator(size=4, chars=string.ascii_uppercase + string.digits):
+    return ''.join(random.choice(chars) for x in range(size))
+
 # Set up your api credentials and test mobile number for outbound SMS or MMS
 basic_auth_user_name = os.environ.get('FR_ACCESS_KEY')
 basic_auth_password = os.environ.get('FR_SECRET_KEY')
@@ -11,8 +18,7 @@ basic_auth_password = os.environ.get('FR_SECRET_KEY')
 client = FlowroutenumbersandmessagingClient(basic_auth_user_name, basic_auth_password)
 numbers_controller = client.numbers
 cnams_controller = client.cnams
-
-
+cnam_id = None
 
 print("--List CNAM Records")
 limit = 10
@@ -20,34 +26,44 @@ offset = None
 result = cnams_controller.list_cnams(limit, offset)
 pprint.pprint(result)
 
-
 print("\n--List Approved CNAM Records")
 result = cnams_controller.list_cnams(limit, offset, is_approved=True)
 pprint.pprint(result)
-cnam_id = result['data'][0]['id']
+if len(result['data']):
+    cnam_id = result['data'][0]['id']
 
-print("\n--List CNAM Detail")
-cnam_id = result['data'][0]['id']
-result = cnams_controller.get_cnam(cnam_id)
-pprint.pprint(result)
+    print("\n--List CNAM Detail")
+    result = cnams_controller.get_cnam(cnam_id)
+    pprint.pprint(result)
+    if len(result['data']):
+        cnam_id = result['data'][0]['id']
 
 print("\n--Search for CNAM Record")
 result = cnams_controller.search_cnams(contains='CHRIS')
 pprint.pprint(result)
 
-# print("\n--Create a CNAM Record")
-# result = cnams_controller.create_cnam_record('CJL')
-# pprint.pprint(result)
-# cnam_id = result['data']['id']
+print("\n--Create a CNAM Record")
+cnam_value = 'FR ' + random_generator()
+result = cnams_controller.create_cnam_record(cnam_value)
+pprint.pprint(result)
+print("\nNOTE: Newly created CNAM records are NOT available to association "
+      "until they are approved.\n")
 
 print("\n--Associate a CNAM Record to a DID")
-result = cnams_controller.associate_cnam(cnam_id, '12066417659')
-pprint.pprint(result)
+our_numbers = numbers_controller.list_account_phone_numbers()
+did_id = our_numbers['data'][0]['id']
 
-print("\n--Unassociate a CNAM Record from a DID")
-result = cnams_controller.unassociate_cnam('12066417659')
-pprint.pprint(result)
+if cnam_id is None:
+    print("Create some CNAM records and wait for approval before trying"
+          " to associate them with a DID")
+else:
+    result = cnams_controller.associate_cnam(cnam_id, did_id)
+    pprint.pprint(result)
 
-print("\n--Remove a CNAM Record from your account")
-result = cnams_controller.remove_cnam(cnam_id)
-pprint.pprint(result)
+    print("\n--Unassociate a CNAM Record from a DID")
+    result = cnams_controller.unassociate_cnam(did_id)
+    pprint.pprint(result)
+
+    print("\n--Remove a CNAM Record from your account")
+    result = cnams_controller.remove_cnam(cnam_id)
+    pprint.pprint(result)