Sample App: Fix the content in the bad word filter knative function code (knative#5947)

* Fix the content in the bad word filter knative function code

* Remove the unused import

* fix: fix the python format by running black

Author: Leo6Leo

code-samples/eventing/bookstore-sample-app/ML-inappropriate-language-filter/func.py

@@ -2,36 +2,42 @@
 from profanity_check import predict
 from cloudevents.http import CloudEvent
 
-def create_cloud_event(data):
+
+# The function to convert the bad word filter result into a CloudEvent
+def create_cloud_event(inputText, data):
     attributes = {
-        "type": "knative.sampleapp.inappropriate-language-filter.response",
-        "source": "inappropriate-language-filter",
+        "type": "knative.sampleapp.badword.filter.response",
+        "source": "bad-word-filter",
         "datacontenttype": "application/json",
     }
 
-    # Put the inappropriate language filter result into a dictionary
-    data = {"result": data}
+    # Put the bad word filter result into a dictionary
+    data = {"input": inputText, "result": data}
 
     # Create a CloudEvent object
     event = CloudEvent(attributes, data)
 
     return event
 
-def inappropriate_language_filter(text: str | None):
-    profanity_result = predict([text])
+
+def inappropriate_language_filter(text):
+    profanity_result = predict([text["input"]])
     result = "good"
     if profanity_result[0] == 1:
         result = "bad"
 
-    profanity_event = create_cloud_event(result)
+    profanity_event = create_cloud_event(text["input"], result)
     return profanity_event
 
+
 def main(context: Context):
     """
     Function template
     The context parameter contains the Flask request object and any
     CloudEvent received with the request.
     """
 
+    print("Received CloudEvent: ", context.cloud_event)
+
     # Add your business logic here
-    return inappropriate_language_filter(context.request.args.get("text"))
+    return inappropriate_language_filter(context.cloud_event.data)