Added tracker

src/tracker.py

@@ -0,0 +1,48 @@
+import json
+from pprint import pprint
+
+from confluent_kafka import Consumer
+
+# config for a consumer
+# if it loses track of where it was in Kafka, it will automatically
+# go to the earliest offset.
+consumer_config = {
+    'bootstrap.servers': 'localhost:9092',
+    'group.id': 'order-tracker',
+    'auto.offset.reset': 'earliest'
+}
+
+# Create a Consumer object
+consumer = Consumer(consumer_config)
+
+# Subscribe to a topic (or more than one) to get events
+consumer.subscribe(["orders"])
+
+print("🟢 Consumer is running and subscribed to orders topic")
+
+# Continuously check for new events
+try:
+    while True:
+        # Check for messages
+        msg = consumer.poll(1.0)
+
+        # Check for empty messages or errors
+        if msg is None:
+            continue
+        if msg.error():
+            print(f"🚨 Error: {msg.error()}")
+            continue
+
+        # Print out valid orders
+        value = msg.value().decode('utf-8')
+        order = json.loads(value)
+        print('📦 Received Order!')
+        pprint(order)
+
+# Close gracefully
+except KeyboardInterrupt:
+    print("\n🔴 Stopping consumer")
+
+# Ensure the consumer is closed
+finally:
+    consumer.close()