75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
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"""Misc endpoints: health, i18n."""
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from __future__ import annotations
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from fastapi import APIRouter, Depends
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import text
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from app import __version__
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from app.config import get_settings
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from app.core.embeddings import HashEmbedder
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from app.core.logging import get_logger
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from app.core.qdrant_client import ping_qdrant
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from app.db import get_db
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from app.schemas import HealthResponse
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_logger = get_logger(__name__)
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router = APIRouter(prefix="/api", tags=["misc"])
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@router.get("/health", response_model=HealthResponse)
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async def health(db: AsyncSession = Depends(get_db)) -> HealthResponse:
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"""Health-check endpoint — no auth required."""
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db_ok = False
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qdrant_ok = False
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try:
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await db.execute(text("SELECT 1"))
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db_ok = True
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except Exception as e: # noqa: BLE001
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_logger.warning("health_db_failed", error=str(e))
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try:
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qdrant_ok = await ping_qdrant()
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except Exception as e: # noqa: BLE001
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_logger.warning("health_qdrant_failed", error=str(e))
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# LLM health: we treat it as "true" only if api_url is set AND we can avoid a real call.
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# For the basic health probe we don't make any LLM calls — return True iff api_url is configured.
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cfg = get_settings()
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llm_ok = bool(cfg.llm_api_url)
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# Embeddings: True if HashEmbedder works (always does) or if openai provider configured
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embeddings_ok = True
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if cfg.embeddings_provider == "offline_hash":
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try:
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embedder = HashEmbedder(dimension=cfg.embeddings_dimension)
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_ = await embedder.embed(["ping"])
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except Exception:
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embeddings_ok = False
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status_str = "ok" if (db_ok and qdrant_ok) else "degraded"
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return HealthResponse(
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status=status_str,
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db=db_ok,
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qdrant=qdrant_ok,
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llm=llm_ok,
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embeddings=embeddings_ok,
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version=__version__,
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)
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@router.get("/i18n/{lang}")
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async def i18n(lang: str) -> dict:
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"""Return translation JSON for the given language.
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Backend only knows the en/ru bundles used by the frontend; we serve them
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statically from the frontend's `public/i18n/` folder in production, but
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this endpoint is useful for hot-reloading in dev.
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"""
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if lang not in ("en", "ru"):
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return {"error": "unsupported language"}
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# The frontend owns the bundles; this endpoint returns an empty dict
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# (the frontend fetches `/i18n/{lang}.json` as a static asset).
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return {"language": lang}
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