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dotfiles/python/ebook_search/api/routes/search.py
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2026-06-13 22:41:09 -04:00

67 lines
2.4 KiB
Python

"""Search routes for the EPUB search web UI."""
from __future__ import annotations
import logging
from dataclasses import replace
from time import perf_counter
from typing import TYPE_CHECKING, Annotated
from fastapi import APIRouter, Form, Request
from fastapi.responses import HTMLResponse
from python.ebook_search.answer import answer_query
from python.ebook_search.api.web import templates
from python.ebook_search.search import search_ebooks
from python.ebook_search.timing import runtime_step_from_start
if TYPE_CHECKING:
from fastapi import FastAPI
logger = logging.getLogger(__name__)
router = APIRouter()
def register_search_routes(app: FastAPI) -> None:
"""Register search routes on the app."""
app.include_router(router)
@router.post("/search", response_class=HTMLResponse)
def search(
request: Request,
query: Annotated[str, Form()],
rerank: Annotated[str | None, Form()] = None,
) -> HTMLResponse:
"""Run a search and render HTMX results."""
try:
response = search_ebooks(request.app.state.engine, query, request.app.state.config, rerank=rerank == "true")
except Exception as error:
logger.exception("ebook_search_request_failed")
return templates.TemplateResponse(request, "partials/error.html", {"message": str(error)}, status_code=500)
answer_start = perf_counter()
if request.app.state.config.answer_enabled:
try:
answer = answer_query(query, response.results, request.app.state.config)
except RuntimeError as error:
logger.warning("ebook_answer_request_failed_falling_back error=%s", error)
answer = "Answer generation failed. Source chunks are still shown below."
else:
logger.info("ebook_answer_skipped_disabled")
answer = "Answer generation is disabled. Source chunks are shown below."
answer_step_name = "Answer generation" if request.app.state.config.answer_enabled else "Answer skipped"
response = replace(
response,
timings=(*response.timings, runtime_step_from_start(answer_step_name, answer_start)),
)
logger.info(
"ebook_search_request_complete results=%s rank_label=%s runtime_ms=%.1f",
len(response.results),
response.rank_label,
response.total_runtime_ms,
)
return templates.TemplateResponse(request, "partials/results.html", {"answer": answer, "response": response})