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F-r-ldraledigplannerare/backend/app/config.py
T
2026-06-01 16:48:21 +02:00

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Python

"""Application configuration (pydantic-settings).
`Settings` loads from environment variables (prefix ``APP_``) and an optional
``.env`` file, falling back to the defaults below for local dev. Keep secrets
(JWT_SECRET, HMAC_PEPPER, scraper credentials, ...) in the environment / a
secret store, never in source.
The Swedish parental-leave rule values live in the nested, frozen ``LeaveRules``
model. They are domain defaults rather than routine deployment config, but are
modelled as settings so they're typed, validated, and overridable should a rule
year change (e.g. ``APP_RULES__MAX_SAVABLE_DAYS_AT_AGE_4=96``). NOTE: these are
the common-case figures — children born before 2014, multiples, and single
custody differ and should become explicit config when tackled.
"""
from pydantic import BaseModel, ConfigDict
from pydantic_settings import BaseSettings, SettingsConfigDict
class LeaveRules(BaseModel):
"""Frozen Swedish föräldrapenning rule defaults (single source of truth)."""
model_config = ConfigDict(frozen=True)
total_days_per_child: int = 480
sjukpenning_days: int = 390 # income-based tier
lagsta_niva_days: int = 90 # flat low-rate tier
days_per_parent: int = 240 # default joint-custody split
reserved_days_per_parent: int = 90 # non-transferable ("reserverade dagar")
max_dubbeldagar: int = 60 # both parents, same child-day
dubbeldagar_months_limit: int = 15 # only within the child's first 15 months
max_savable_days_at_age_4: int = 96 # age-4 ceiling
hard_expiry_age_years: int = 12
sgi_protected_first_months: int = 12
sgi_min_days_per_week_after_age_1: int = 5
# Default reserve for preschool planning-day ("studiedagar") closures — the
# per-child value is user-editable; this is just the seeded default.
preschool_planning_days_per_year: int = 6
@property
def transferable_days_per_parent(self) -> int:
return self.days_per_parent - self.reserved_days_per_parent
class Settings(BaseSettings):
model_config = SettingsConfigDict(
env_prefix="APP_",
env_nested_delimiter="__",
env_file=".env",
extra="ignore",
)
# 'sqlite' for local dev, 'postgres' for production (swap repository impls).
database_type: str = "sqlite"
sqlite_path: str = "./foraldraledig.db"
# Lock CORS down to the frontend origin(s).
cors_origins: list[str] = ["http://localhost:5173"]
# Auth — change jwt_secret in production (min 32 chars).
jwt_secret: str = "dev-secret-change-in-production-min-32-chars"
jwt_algorithm: str = "HS256"
jwt_access_token_expire_minutes: int = 15
jwt_refresh_token_expire_days: int = 7
# FK scraper — disabled until legal/ToS + BankID review (§2.3).
scraper_enabled: bool = False
rules: LeaveRules = LeaveRules()
settings = Settings()