cli: add resolve_http_cache_config to derive HTTP cache settings from CLI/env

import typer

from rich.console import Console

from tdoc_crawler.crawlers import normalize_subgroup_alias, normalize_working_group_alias

from tdoc_crawler.crawlers import (normalize_subgroup_alias,

                                   normalize_working_group_alias)

from tdoc_crawler.database import TDocDatabase

from tdoc_crawler.models import CrawlLimits, MeetingQueryConfig, PortalCredentials, SortOrder, TDocMetadata, WorkingGroup

from tdoc_crawler.models import (CrawlLimits, HttpCacheConfig,

                                 MeetingQueryConfig, PortalCredentials,

                                 SortOrder, TDocMetadata, WorkingGroup)

console = Console()

_logger = logging.getLogger(__name__)

    except OSError as exc:

        console.print(f"[red]Failed to open file: {exc}")

        raise typer.Exit(code=1) from exc

def resolve_http_cache_config(cache_ttl: int | None = None, cache_refresh_on_access: bool | None = None) -> HttpCacheConfig:

    """Resolve HTTP cache configuration from CLI parameters and environment variables.

    Args:

        cache_ttl: TTL for cache entries (CLI parameter)

        cache_refresh_on_access: Whether to refresh TTL on access (CLI parameter)

    Returns:

        HttpCacheConfig instance with resolved values

    """

    # Check CLI parameters first, then environment variables, then defaults

    if cache_ttl is not None:

        ttl = cache_ttl

    else:

        env_ttl = os.getenv("HTTP_CACHE_TTL")

        if env_ttl:

            ttl = int(env_ttl)

        else:

            ttl = 7200  # default TTL of 2 hours

    # Handle refresh on access - check CLI param, then env var, then default

    if cache_refresh_on_access is not None:

        refresh_on_access = cache_refresh_on_access

    else:

        env_refresh = os.getenv("HTTP_CACHE_REFRESH_ON_ACCESS", "").lower()

        if env_refresh:

            refresh_on_access = env_refresh in ("true", "1", "yes", "on", "t", "y")

        else:

            refresh_on_access = True  # default to True

    return HttpCacheConfig(ttl=ttl, refresh_ttl_on_access=refresh_on_access)