Fixed Google Colab link in week 3 day 4, and latest week 8 updates

week8_wip/agents/messaging_agent.py

@@ -0,0 +1,28 @@
+import os
+from twilio.rest import Client
+from agents.deals import Opportunity
+
+class MessagingAgent:
+
+    def __init__(self):
+        account_sid = os.getenv('TWILIO_ACCOUNT_SID', 'your-sid-if-not-using-env')
+        auth_token = os.getenv('TWILIO_AUTH_TOKEN', 'your-auth-if-not-using-env')
+        self.me_from = 'whatsapp:+14155238886'
+        self.me_to = f"whatsapp:+1{os.getenv('MY_PHONE_NUMBER', 'your-phone-number-if-not-using-env')}"
+        self.client = Client(account_sid, auth_token)
+
+    def message(self, text):
+        message = self.client.messages.create(
+          from_=self.me_from,
+          body=text,
+          to=self.me_to
+        )
+
+    def alert(self, opportunity: Opportunity):
+        text = f"Deal! Price=${opportunity.quality_deal.price:.2f}, "
+        text += f"Estimate=${opportunity.estimate:.2f} :"
+        text += opportunity.quality_deal.product_description[:10]+'... '
+        text += opportunity.quality_deal.url
+        self.message(text)
+    
+