frontend groundwork

backend/src/persistence.py

@@ -8,6 +8,9 @@ class DummyClient:
     def set(self, key, value, **kwargs):
         self._data[key] = value
 
+    def set_many(self, data, **kwargs):
+        self._data.update(data)
+
     def get(self, key, **kwargs):
         return self._data[key]
 
@@ -15,4 +18,9 @@ class DummyClient:
 if constants.MEMCACHED_HOST_PATH is None:
     client = DummyClient()
 else:
-    client = Client(constants.MEMCACHED_HOST_PATH, timeout=1)
+    client = Client(
+        constants.MEMCACHED_HOST_PATH,
+        timeout=1,
+        allow_unicode_keys=True,
+        encoding='utf-8'
+    )

backend/src/structs/trip.py

@@ -1,6 +1,6 @@
 from pydantic import BaseModel, Field
+from pymemcache.client.base import Client
 
-from .landmark import Landmark
 from .linked_landmarks import LinkedLandmarks
 import uuid
 
@@ -11,7 +11,7 @@ class Trip(BaseModel):
 
 
     @classmethod
-    def from_linked_landmarks(self, landmarks: LinkedLandmarks, cache_client) -> "Trip":
+    def from_linked_landmarks(self, landmarks: LinkedLandmarks, cache_client: Client) -> "Trip":
         """
         Initialize a new Trip object and ensure it is stored in the cache.
         """
@@ -22,7 +22,9 @@ class Trip(BaseModel):
 
         # Store the trip in the cache
         cache_client.set(f"trip_{trip.uuid}", trip)
-        for landmark in landmarks:
+        cache_client.set_many({f"landmark_{landmark.uuid}": landmark for landmark in landmarks}, expire=3600)
-            cache_client.set(f"landmark_{landmark.uuid}", landmark)
+        # is equivalent to:
+        # for landmark in landmarks:
+        #     cache_client.set(f"landmark_{landmark.uuid}", landmark, expire=3600)
 
         return trip