persistence for recurring api calls

backend/src/structs/linked_landmarks.py

@@ -1,4 +1,3 @@
-import uuid
 from .landmark import Landmark
 from utils.get_time_separation import get_time
 
@@ -9,8 +8,7 @@ class LinkedLandmarks:
     """
     
     _landmarks = list[Landmark]
-    total_time = int
-    uuid = str
+    total_time: int = 0
 
     def __init__(self, data: list[Landmark] = None) -> None:
         """
@@ -19,7 +17,6 @@ class LinkedLandmarks:
         Args:
             data (list[Landmark], optional): The list of landmarks that are linked together. Defaults to None.
         """
-        self.uuid = uuid.uuid4()
         self._landmarks = data if data else []
         self._link_landmarks()
 
@@ -28,7 +25,6 @@ class LinkedLandmarks:
         """
         Create the links between the landmarks in the list by setting their .next_uuid and the .time_to_next attributes.
         """
-        self.total_time = 0
         for i, landmark in enumerate(self._landmarks[:-1]):
             landmark.next_uuid = self._landmarks[i + 1].uuid
             time_to_next = get_time(landmark.location, self._landmarks[i + 1].location)
@@ -44,18 +40,4 @@ class LinkedLandmarks:
     
 
     def __str__(self) -> str:
-        return f"LinkedLandmarks, total time: {self.total_time} minutes, {len(self._landmarks)} stops: [{','.join([str(landmark) for landmark in self._landmarks])}]"
-    
-
-    def asdict(self) -> dict:
-        """
-        Convert the linked landmarks to a json serializable dictionary.
-        
-        Returns:
-            dict: A dictionary representation of the linked landmarks.
-        """
-        return {
-            'uuid': self.uuid,
-            'total_time': self.total_time,
-            'landmarks': [landmark.dict() for landmark in self._landmarks]
-        }
+        return f"LinkedLandmarks [{' ->'.join([str(landmark) for landmark in self._landmarks])}]"