[P] Improve logging logic in agent

[L4] SCRUM-81: implementation data processing function

MapView/domain/accelerometer.py

@@ -2,6 +2,6 @@ from dataclasses import dataclass
 
 @dataclass
 class Accelerometer:
-  x: int
-  y: int
-  z: int
+  x: float
+  y: float
+  z: float

agent/src/domain/accelerometer.py

@@ -3,6 +3,6 @@ from dataclasses import dataclass
 
 @dataclass
 class Accelerometer:
-    x: int
-    y: int
-    z: int
+    x: float
+    y: float
+    z: float

agent/src/file_datasource.py

@@ -15,6 +15,7 @@ class FileDatasource:
 
     def __init__(
             self,
+            acc_divisor: float,
             accelerometer_filename: str,
             gps_filename: str,
             park_filename: str,
@@ -34,6 +35,8 @@ class FileDatasource:
 
         self._started = False
 
+        self.acc_divisor = acc_divisor
+
     def startReading(self, *args, **kwargs):
         """Must be called before read()"""
         if self._started:
@@ -160,15 +163,14 @@ class FileDatasource:
 
             return row
 
-    @staticmethod
-    def _parse_acc(row: List[str]) -> Accelerometer:
+    def _parse_acc(self, row: List[str]) -> Accelerometer:
         if len(row) < 3:
             raise ValueError(f"Accelerometer row must have 3 values (x,y,z). Got: {row}")
 
         try:
-            x = int(row[0])
-            y = int(row[1])
-            z = int(row[2])
+            x = int(row[0]) / self.acc_divisor
+            y = int(row[1]) / self.acc_divisor
+            z = int(row[2]) / self.acc_divisor
         except ValueError as e:
             raise ValueError(f"Invalid accelerometer values (expected integers): {row}") from e
 

agent/src/main.py

@@ -16,6 +16,8 @@ def connect_mqtt(broker, port):
             print("Failed to connect {broker}:{port}, return code %d\n", rc)
             exit(rc)  # Stop execution
 
+    logging.info(f"Acting as USER_ID = {config.USER_ID}")
+
     client = mqtt_client.Client()
     client.on_connect = on_connect
     client.connect(broker, port)
@@ -29,17 +31,18 @@ def publish(client, topic, datasource):
         data = datasource.read()
         msg = AggregatedDataSchema().dumps(data)
         result = client.publish(topic, msg)
-        logging.info(f"Published to {topic}: {msg[:50]}...")
+        logging.debug(f"Published to {topic}: {msg[:50]}...")
         status = result[0]
         if status != 0:
-            print(f"Failed to send message to topic {topic}")
+            logging.error(f"Failed to send message to topic {topic}")
 
 
 def run():
+    logging.basicConfig(level = logging.INFO)
     # Prepare mqtt client
     client = connect_mqtt(config.MQTT_BROKER_HOST, config.MQTT_BROKER_PORT)
     # Prepare datasource
-    datasource = FileDatasource("data/accelerometer.csv", "data/gps.csv", "data/parking.csv")
+    datasource = FileDatasource(16384.0, "data/accelerometer.csv", "data/gps.csv", "data/parking.csv")
     # Infinity publish data
     publish(client, config.MQTT_TOPIC, datasource)
 

agent/src/schema/accelerometer_schema.py

@@ -2,6 +2,6 @@ from marshmallow import Schema, fields
 
 
 class AccelerometerSchema(Schema):
-    x = fields.Int()
-    y = fields.Int()
-    z = fields.Int()
+    x = fields.Float()
+    y = fields.Float()
+    z = fields.Float()

edge/app/usecases/data_processing.py

@@ -1,6 +1,7 @@
 from app.entities.agent_data import AgentData
 from app.entities.processed_agent_data import ProcessedAgentData
 
+_last_detection_state = {}
 
 def process_agent_data(
     agent_data: AgentData,
@@ -12,8 +13,24 @@ def process_agent_data(
     Returns:
         processed_data_batch (ProcessedAgentData): Processed data containing the classified state of the road surface and agent data.
     """
-    # Implement it
+    user_id = agent_data.user_id
+    road_state = "normal"
+
+    last_detection_state = _last_detection_state.get(user_id, False)
+
+    if (agent_data.accelerometer.z < 0.6):
+        road_state = "pothole"
+    elif (agent_data.accelerometer.z > 1.2):
+        road_state = "bump"
+
+    detection_happened = road_state != "normal"
+
+    if not (not last_detection_state and detection_happened):
+        road_state = "normal"
+
+    _last_detection_state[user_id] = detection_happened
+
     return ProcessedAgentData(
-        road_state="normal",
+        road_state=road_state,
         agent_data=agent_data
     )