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library-desk/src/routers/rag_search.py
T
jpmschweitzerandClaude Opus 4.5 61863ff597
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feat: add RAG search endpoint with content extraction
- Add /rag/search endpoint for web, news, and image search via SearXNG
- Add /content/extract and /content/extract/batch endpoints
- Add ContentExtractor client using Trafilatura for content extraction
- Enhance HybridRAG web search with full content extraction
- Add Redis caching for search results
- Add new configuration options for search and extraction timeouts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-15 15:50:48 +01:00

88 lines
2.5 KiB
Python

"""
RAG search router for Library Desk API.
Endpoints for web, news, and image search with content extraction.
"""
import httpx
from fastapi import APIRouter, HTTPException, Depends
import logging
from src.models.rag_search import RAGSearchRequest, RAGSearchResponse
from src.services.rag_search_service import RAGSearchService
from src.core.dependencies import verify_api_key
logger = logging.getLogger(__name__)
router = APIRouter(prefix="/rag", tags=["RAG Search"])
# Lazy import to avoid circular dependency
def get_rag_search_service() -> RAGSearchService:
"""Get RAG search service instance."""
from src.core.dependencies import get_rag_search_service as _get_service
return _get_service()
@router.post("/search", response_model=RAGSearchResponse)
async def search(
request: RAGSearchRequest,
api_key: str = Depends(verify_api_key)
):
"""
Execute RAG-optimized web search with content extraction.
Searches via SearXNG and extracts full content from results using
Trafilatura. Results are cached in Redis for efficiency.
**Search Types:**
- `web`: General web search (default)
- `news`: News articles with recency filtering
- `images`: Image search results
**Example Request:**
```json
{
"query": "Python async programming best practices",
"search_type": "web",
"limit": 10,
"user": "default"
}
```
**Response includes:**
- Full extracted text content per result
- Original search snippets
- Source domain names
- Markdown sources summary for LLM consumption
**Error Codes:**
- 400: Invalid query (empty or too long)
- 502: Search provider (SearXNG) error
- 504: Search timeout
"""
try:
service = get_rag_search_service()
response = await service.search(
query=request.query,
search_type=request.search_type,
limit=request.limit,
user=request.user
)
return response
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e))
except httpx.TimeoutException:
logger.error(f"Search timed out for query: {request.query}")
raise HTTPException(status_code=504, detail="Search timed out")
except httpx.HTTPError as e:
logger.error(f"Search provider error: {e}")
raise HTTPException(status_code=502, detail="Search provider error")
except Exception as e:
logger.error(f"RAG search failed: {e}", exc_info=True)
raise HTTPException(status_code=500, detail="Search failed")