90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
from __future__ import annotations
|
|
|
|
from typing import Any, Callable
|
|
|
|
from fastapi import Request
|
|
from .i18n_catalog import get_gettext_translation
|
|
|
|
|
|
SUPPORTED_LOCALES: tuple[str, ...] = ("fa", "en")
|
|
DEFAULT_LOCALE: str = "en"
|
|
|
|
|
|
def negotiate_locale(accept_language: str | None) -> str:
|
|
if not accept_language:
|
|
return DEFAULT_LOCALE
|
|
parts = [p.strip() for p in accept_language.split(",") if p.strip()]
|
|
for part in parts:
|
|
lang = part.split(";")[0].strip().lower()
|
|
base = lang.split("-")[0]
|
|
if lang in SUPPORTED_LOCALES:
|
|
return lang
|
|
if base in SUPPORTED_LOCALES:
|
|
return base
|
|
return DEFAULT_LOCALE
|
|
|
|
|
|
class Translator:
|
|
def __init__(self, locale: str) -> None:
|
|
self.locale = locale if locale in SUPPORTED_LOCALES else DEFAULT_LOCALE
|
|
self._gt = get_gettext_translation(self.locale)
|
|
|
|
_catalog: dict[str, dict[str, str]] = {
|
|
"en": {
|
|
"OK": "OK",
|
|
"INVALID_CAPTCHA": "Invalid captcha code.",
|
|
"INVALID_CREDENTIALS": "Invalid credentials.",
|
|
"IDENTIFIER_REQUIRED": "Identifier is required.",
|
|
"INVALID_IDENTIFIER": "Identifier must be a valid email or mobile number.",
|
|
"EMAIL_IN_USE": "Email is already in use.",
|
|
"MOBILE_IN_USE": "Mobile number is already in use.",
|
|
"ACCOUNT_DISABLED": "Your account is disabled.",
|
|
"RESET_TOKEN_INVALID_OR_EXPIRED": "Reset token is invalid or expired.",
|
|
"VALIDATION_ERROR": "Validation error",
|
|
"STRING_TOO_SHORT": "String is too short",
|
|
"STRING_TOO_LONG": "String is too long",
|
|
"FIELD_REQUIRED": "Field is required",
|
|
"INVALID_EMAIL": "Invalid email address",
|
|
"HTTP_ERROR": "Request failed",
|
|
},
|
|
"fa": {
|
|
"OK": "باشه",
|
|
"INVALID_CAPTCHA": "کد امنیتی نامعتبر است.",
|
|
"INVALID_CREDENTIALS": "ایمیل/موبایل یا رمز عبور نادرست است.",
|
|
"IDENTIFIER_REQUIRED": "شناسه ورود الزامی است.",
|
|
"INVALID_IDENTIFIER": "شناسه باید ایمیل یا شماره موبایل معتبر باشد.",
|
|
"EMAIL_IN_USE": "این ایمیل قبلاً استفاده شده است.",
|
|
"MOBILE_IN_USE": "این شماره موبایل قبلاً استفاده شده است.",
|
|
"ACCOUNT_DISABLED": "حساب کاربری شما غیرفعال است.",
|
|
"RESET_TOKEN_INVALID_OR_EXPIRED": "توکن بازنشانی نامعتبر یا منقضی شده است.",
|
|
"VALIDATION_ERROR": "خطای اعتبارسنجی",
|
|
"STRING_TOO_SHORT": "رشته خیلی کوتاه است",
|
|
"STRING_TOO_LONG": "رشته خیلی بلند است",
|
|
"FIELD_REQUIRED": "فیلد الزامی است",
|
|
"INVALID_EMAIL": "ایمیل نامعتبر است",
|
|
"HTTP_ERROR": "درخواست ناموفق بود",
|
|
},
|
|
}
|
|
|
|
def t(self, key: str, default: str | None = None) -> str:
|
|
# 1) gettext domain (if present)
|
|
try:
|
|
if self._gt is not None:
|
|
msg = self._gt.gettext(key)
|
|
if msg and msg != key:
|
|
return msg
|
|
except Exception:
|
|
pass
|
|
# 2) in-memory catalog fallback
|
|
catalog = self._catalog.get(self.locale) or {}
|
|
if key in catalog:
|
|
return catalog[key]
|
|
return default or key
|
|
|
|
|
|
async def locale_dependency(request: Request) -> Translator:
|
|
lang = negotiate_locale(request.headers.get("Accept-Language"))
|
|
return Translator(lang)
|
|
|
|
|