[P] Improve marker removal architecture to allow for future extensions

MapView/datasource.py

@@ -37,6 +37,7 @@ class Datasource:
         self.user_id = user_id
         self.connection_status = None
         self._new_points = []
+        self._active_markers = []
         asyncio.ensure_future(self.connect_to_server())
 
     def get_new_points(self):
@@ -60,6 +61,20 @@ class Datasource:
                     self.connection_status = "Disconnected"
                     Logger.debug("SERVER DISCONNECT")
 
+    def map_lat_lon_to_ProcessedAgentData(self, lat: float, lon: float) -> ProcessedAgentData | None:
+        distances = tuple((abs(lon - marker.latitude) ** 2 + abs(lat - marker.longitude) ** 2) ** 0.5 for marker in self._active_markers)
+
+        if len(distances) == 0:
+            return None
+
+        min_distance = min(distances)
+        marker = self._active_markers[distances.index(min_distance)]
+
+        if min_distance < 0.005:
+            return marker
+        else:
+            return None
+
     def handle_received_data(self, data):
         # Update your UI or perform actions with received data here
         Logger.debug(f"Received data: {data}")
@@ -70,6 +85,9 @@ class Datasource:
             ],
             key=lambda v: v.timestamp,
         )
+
+        self._active_markers += [i for i in processed_agent_data_list if i.road_state != 'normal']
+
         new_points = [
             (
                 processed_agent_data.longitude,