WIP: refactor

main.py

@@ -20,6 +20,19 @@ POLLEN_MAX_INDEX = 12.0
 POLLEN_PERCENTAGE_SCALE = 100
 HTTP_TIMEOUT = 10.0
 
+# Location constants
+DEFAULT_ZIP_CODE = "01970"  # Salem, MA
+DEFAULT_LATITUDE = "42.3554334"
+DEFAULT_LONGITUDE = "-71.060511"
+
+
+def get_required_env(key: str) -> str:
+    """Get required environment variable or raise error."""
+    value = os.environ.get(key)
+    if not value:
+        raise ValueError(f"Required environment variable {key} is not set")
+    return value
+
 
 class WeatherCondition(TypedDict):
     description: str
@@ -127,7 +140,7 @@ class FinalReport(TypedDict):
     tomorrow: DailyData
 
 
-app = FastAPI(title="TRMNL Weather & Pollen Report")
+app = FastAPI(title="trmnl weather & pollen report")
 
 weather_cache: TTLCache = TTLCache(maxsize=CACHE_MAX_SIZE, ttl=CACHE_TTL_SECONDS)
 pollen_cache: TTLCache = TTLCache(maxsize=CACHE_MAX_SIZE, ttl=CACHE_TTL_SECONDS)
@@ -136,23 +149,28 @@ pollen_cache: TTLCache = TTLCache(maxsize=CACHE_MAX_SIZE, ttl=CACHE_TTL_SECONDS)
 class Config:
     """Application configuration."""
 
-    def __init__(self):
+    def __init__(
-        self.zip_code = "01970"  # Salem, MA
+        self,
-        self.latitude = "42.3554334"
+        zip_code: str,
-        self.longitude = "-71.060511"
+        latitude: str,
-        self.weather_api_key = self._get_required_env("WEATHER_API_KEY")
+        longitude: str,
-        self.auth_token = self._get_required_env("AUTH_TOKEN")
+        weather_api_key: str,
-
+        auth_token: str,
-    @staticmethod
+    ):
-    def _get_required_env(key: str) -> str:
+        self.zip_code = zip_code
-        """Get required environment variable or raise error."""
+        self.latitude = latitude
-        value = os.environ.get(key)
+        self.longitude = longitude
-        if not value:
+        self.weather_api_key = weather_api_key
-            raise ValueError(f"Required environment variable {key} is not set")
+        self.auth_token = auth_token
-        return value
 
 
-config = Config()
+config = Config(
+    zip_code=DEFAULT_ZIP_CODE,
+    latitude=DEFAULT_LATITUDE,
+    longitude=DEFAULT_LONGITUDE,
+    weather_api_key=get_required_env("WEATHER_API_KEY"),
+    auth_token=get_required_env("AUTH_TOKEN"),
+)
 
 
 class DateTimeFormatter: