improve backend performance with caching

mealie/services/recipe/all_recipes.py

@@ -0,0 +1,38 @@
+import json
+from functools import lru_cache
+
+from fastapi import Response
+from fastapi.encoders import jsonable_encoder
+from mealie.db.database import db
+from mealie.db.db_setup import SessionLocal
+from mealie.schema.recipe import RecipeSummary
+
+
+@lru_cache(maxsize=1)
+def get_all_recipes_user(limit, start):
+    with SessionLocal() as session:
+        all_recipes: list[RecipeSummary] = db.recipes.get_all(
+            session, limit=limit, start=start, order_by="date_updated", override_schema=RecipeSummary
+        )
+        all_recipes_json = [recipe.dict() for recipe in all_recipes]
+        return Response(content=json.dumps(jsonable_encoder(all_recipes_json)), media_type="application/json")
+
+
+@lru_cache(maxsize=1)
+def get_all_recipes_public(limit, start):
+    with SessionLocal() as session:
+        all_recipes: list[RecipeSummary] = db.recipes.get_all_public(
+            session, limit=limit, start=start, order_by="date_updated", override_schema=RecipeSummary
+        )
+        all_recipes_json = [recipe.dict() for recipe in all_recipes]
+        return Response(content=json.dumps(jsonable_encoder(all_recipes_json)), media_type="application/json")
+
+
+def clear_all_cache():
+    print("Cache Cleared")
+    get_all_recipes_user.cache_clear()
+    get_all_recipes_public.cache_clear()
+
+
+def subscripte_to_recipe_events():
+    db.recipes.subscribe(clear_all_cache)