def consume_messages(self, sqsQueueName=QUEUE_NAME):
num_msgs = 0
try:
queue = self.get_queue()
if queue:
mesgs = get_messages(queue)
if not len(mesgs):
print("There are no messages in Queue to display")
return num_msgs
for mesg in mesgs:
attributes = get_attributes(mesg)
sender_id = attributes.get('SenderId')
sent_timestamp = attributes.get('SentTimestamp')
bd = mesg.body
order_dict = eval(bd)
porder = utils.Order(order_dict)
# Adds message metadata to Order object.
porder.set_sender_id(sender_id)
porder.set_sent_timestamp(sent_timestamp)
print(porder)
self.delete_message(queue, mesg)
time.sleep(1)
num_msgs = len(mesgs)
except Exception as err:
print("Error Message {0}".format(err))
return num_msgs
def publish_order_msgs(topicArn=TOPIC_ARN_ORDER, orderDetails=ORDER_DETAILS):
sns = boto3.resource('sns')
for i in range(1, utils.NUM_MESSAGES + 1):
orderDict = {
'orderId': i,
'orderDate': "2015/10/%d" % i,
'orderDetails': orderDetails}
porder = utils.Order(orderDict)
print("Publishing order to SNS topic:", repr(porder))
jsonStr = convert_order_to_json(porder)
publish_order(sns, topicArn, jsonStr)
print("Order topic published")
def publish_order_msgs(topicArn=TOPIC_ARN_ORDER, orderDetails=ORDER_DETAILS):
sns_client = session.client('sns')
for i in range(1, utils.NUM_MESSAGES + 1):
orderDict = {
'orderId': i,
'orderDate': "2015/10/%d" % i,
'orderDetails': orderDetails}
porder = utils.Order(orderDict)
print("Publishing order to SNS topic:", repr(porder))
jsonStr = json.dumps(porder, default=utils.jdefault, indent=4) # convert_order_to_json(porder)
publish_order(sns_client, topicArn, jsonStr)
print("Order topic published")