first commit

app/config.py

@@ -0,0 +1,70 @@
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+
+@dataclass(frozen=True)
+class Settings:
+    telegram_bot_token: str
+    telegram_channel_id: str
+    telegram_proxy_url: str | None
+    scheduler_interval_minutes: int
+    kwork_category_ids: list[int]
+    keywords_include: list[str]
+    keywords_exclude: list[str]
+    min_price_amount: int | None
+    requests_timeout_seconds: int
+    state_file: Path
+
+
+def load_settings() -> Settings:
+    load_dotenv()
+
+    telegram_bot_token = _require_env("TELEGRAM_BOT_TOKEN")
+    telegram_channel_id = _require_env("TELEGRAM_CHANNEL_ID")
+
+    return Settings(
+        telegram_bot_token=telegram_bot_token,
+        telegram_channel_id=telegram_channel_id,
+        telegram_proxy_url=_parse_optional_text(os.getenv("TELEGRAM_PROXY_URL", "")),
+        scheduler_interval_minutes=int(os.getenv("SCHEDULER_INTERVAL_MINUTES", "5")),
+        kwork_category_ids=_parse_int_list(os.getenv("KWORK_CATEGORY_IDS", "41")),
+        keywords_include=_parse_text_list(os.getenv("KEYWORDS_INCLUDE", "")),
+        keywords_exclude=_parse_text_list(os.getenv("KEYWORDS_EXCLUDE", "")),
+        min_price_amount=_parse_optional_int(os.getenv("MIN_PRICE_AMOUNT", "")),
+        requests_timeout_seconds=int(os.getenv("REQUESTS_TIMEOUT_SECONDS", "20")),
+        state_file=Path(os.getenv("STATE_FILE", "data/sent_offers.json")),
+    )
+
+
+def _require_env(name: str) -> str:
+    value = os.getenv(name)
+    if not value:
+        raise ValueError(f"Environment variable {name} is required")
+    return value
+
+
+def _parse_text_list(raw_value: str) -> list[str]:
+    return [item.strip().lower() for item in raw_value.split(",") if item.strip()]
+
+
+def _parse_int_list(raw_value: str) -> list[int]:
+    return [int(item.strip()) for item in raw_value.split(",") if item.strip()]
+
+
+def _parse_optional_int(raw_value: str) -> int | None:
+    value = raw_value.strip()
+    if not value:
+        return None
+    return int(value)
+
+
+def _parse_optional_text(raw_value: str) -> str | None:
+    value = raw_value.strip()
+    if not value:
+        return None
+    return value