Initial Commit

mvp-platform-services/vehicles/api/services/vehicles_service.py

@@ -0,0 +1,58 @@
+import asyncpg
+from typing import List, Dict
+from ..services.cache_service import CacheService
+from ..repositories.vehicles_repository import VehiclesRepository
+
+
+class VehiclesService:
+    def __init__(self, cache: CacheService, repo: VehiclesRepository | None = None):
+        self.cache = cache
+        self.repo = repo or VehiclesRepository()
+
+    async def get_years(self, db: asyncpg.Connection) -> List[int]:
+        cache_key = "dropdown:years"
+        cached = await self.cache.get(cache_key)
+        if cached:
+            return cached
+        years = await self.repo.get_years(db)
+        await self.cache.set(cache_key, years, ttl=6 * 3600)
+        return years
+
+    async def get_makes(self, db: asyncpg.Connection, year: int) -> List[Dict]:
+        cache_key = f"dropdown:makes:{year}"
+        cached = await self.cache.get(cache_key)
+        if cached:
+            return cached
+        makes = await self.repo.get_makes(db, year)
+        await self.cache.set(cache_key, makes, ttl=6 * 3600)
+        return makes
+
+    async def get_models(self, db: asyncpg.Connection, year: int, make_id: int) -> List[Dict]:
+        cache_key = f"dropdown:models:{year}:{make_id}"
+        cached = await self.cache.get(cache_key)
+        if cached:
+            return cached
+        models = await self.repo.get_models(db, year, make_id)
+        await self.cache.set(cache_key, models, ttl=6 * 3600)
+        return models
+
+    async def get_trims(self, db: asyncpg.Connection, year: int, model_id: int) -> List[Dict]:
+        cache_key = f"dropdown:trims:{year}:{model_id}"
+        cached = await self.cache.get(cache_key)
+        if cached:
+            return cached
+        trims = await self.repo.get_trims(db, year, model_id)
+        await self.cache.set(cache_key, trims, ttl=6 * 3600)
+        return trims
+
+    async def get_engines(
+        self, db: asyncpg.Connection, year: int, model_id: int, trim_id: int
+    ) -> List[Dict]:
+        cache_key = f"dropdown:engines:{year}:{model_id}:{trim_id}"
+        cached = await self.cache.get(cache_key)
+        if cached:
+            return cached
+        engines = await self.repo.get_engines(db, year, model_id, trim_id)
+        await self.cache.set(cache_key, engines, ttl=6 * 3600)
+        return engines
+