copilot-swe-agent[bot]
ff76855f29
- Create i18n utility module (app/utils/i18n.py) with translation loading, browser language detection, AI fallback, and l10n helpers - Add JSON translation files for EN, DE, FR, ES, IT, PT, NL, PL, ZH, RU - Add preferred_language column to UserProfile model with migration - Register _() translation function as Jinja2 global - Update base.html with translated navigation, footer, cookie notice - Add language selector dropdown in nav bar (desktop + mobile) - Create API endpoints for language preference (POST/GET /api/i18n/) - Support language detection: user profile > cookie > Accept-Language > default Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
110 lines
4.4 KiB
Python
110 lines
4.4 KiB
Python
"""
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Base setup for views, containing shared functionality and imports.
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"""
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import logging
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from pathlib import Path
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from fastapi import APIRouter, Depends, HTTPException, Request # noqa: F401
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from fastapi.templating import Jinja2Templates
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from sqlalchemy.orm import Session # noqa: F401
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from app.auth import require_login # noqa: F401
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from app.config import settings
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from app.database import get_db # noqa: F401
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from app.utils.i18n import (
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SUPPORTED_LANGUAGES,
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detect_language,
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format_date,
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format_datetime,
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format_number,
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translate,
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)
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# Set up Jinja2 templates
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templates_dir = Path(__file__).parent.parent.parent / "frontend" / "templates"
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templates = Jinja2Templates(directory=str(templates_dir))
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# Add Python built-in functions to Jinja2 template globals
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templates.env.globals["min"] = min
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templates.env.globals["max"] = max
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# ---------------------------------------------------------------------------
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# i18n Jinja2 integration
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# ---------------------------------------------------------------------------
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# The _() function is available in every template to translate UI strings.
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# Usage: {{ _("nav.dashboard") }} or {{ _("upload.max_size", size="10 MB") }}
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# The locale is automatically resolved from the request context.
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# ---------------------------------------------------------------------------
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templates.env.globals["supported_languages"] = SUPPORTED_LANGUAGES
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# Customize Jinja2Templates to include app_version in all templates
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original_template_response = templates.TemplateResponse
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def _inject_global_context(ctx: dict) -> None:
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"""Inject shared global variables into every template context dict."""
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ctx.setdefault("version", settings.version)
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ctx.setdefault("release_name", getattr(settings, "release_name", None))
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ctx.setdefault("ui_default_color_scheme", getattr(settings, "ui_default_color_scheme", "system"))
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ctx.setdefault("multi_user_enabled", getattr(settings, "multi_user_enabled", False))
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ctx.setdefault("auth_enabled", getattr(settings, "auth_enabled", True))
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ctx.setdefault(
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"allow_signup",
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getattr(settings, "multi_user_enabled", False) and getattr(settings, "allow_local_signup", False),
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)
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req = ctx.get("request")
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if req is not None:
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# CSRF token
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if hasattr(req, "state") and hasattr(req.state, "csrf_token"):
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ctx.setdefault("csrf_token", req.state.csrf_token)
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# Determine whether the current visitor is authenticated
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session_user = None
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if hasattr(req, "session"):
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session_user = req.session.get("user")
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# When auth is disabled every visitor is effectively "logged in"
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ctx.setdefault("is_logged_in", not getattr(settings, "auth_enabled", True) or session_user is not None)
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# --- i18n: detect language and register template helpers ---
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current_locale = detect_language(req)
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ctx.setdefault("current_locale", current_locale)
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def _translate(key: str, **kwargs: object) -> str:
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return translate(key, current_locale, **kwargs)
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def _format_date(value: object, short: bool = False) -> str:
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return format_date(value, current_locale, short=short) # type: ignore[arg-type]
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def _format_datetime(value: object) -> str:
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return format_datetime(value, current_locale) # type: ignore[arg-type]
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def _format_number(value: object) -> str:
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return format_number(value, current_locale) # type: ignore[arg-type]
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ctx.setdefault("_", _translate)
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ctx.setdefault("format_date_l10n", _format_date)
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ctx.setdefault("format_datetime_l10n", _format_datetime)
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ctx.setdefault("format_number_l10n", _format_number)
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else:
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ctx.setdefault("is_logged_in", not getattr(settings, "auth_enabled", True))
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ctx.setdefault("current_locale", "en")
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ctx.setdefault("_", lambda key, **kw: translate(key, "en", **kw))
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def template_response_with_version(*args, **kwargs):
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"""Wrapper for TemplateResponse to include version and CSRF token in all templates"""
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# If context dict is provided, add version to it
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if len(args) >= 2 and isinstance(args[1], dict):
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_inject_global_context(args[1])
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elif "context" in kwargs and isinstance(kwargs["context"], dict):
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_inject_global_context(kwargs["context"])
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return original_template_response(*args, **kwargs)
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templates.TemplateResponse = template_response_with_version
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# Set up logging
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logger = logging.getLogger(__name__)
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