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jze9 7758315632 feat: initial microservices project structure
Services:
- api: FastAPI gateway with JWT auth, async endpoints, WebSocket
- worker-gpu: CUDA sentence-transformers, FAISS IVFFlat, Ollama LLM
- worker-indexer: Winnowing+MinHash plagiarism detection, PDF/DOCX extraction
- worker-notifier: SMTP email notifications
- worker-gost: GOST 7.1-2003 and GOST R 7.0.5-2008 formatting

Infrastructure:
- docker-compose.yml (production) + docker-compose.dev.yml (hot reload)
- Nginx reverse proxy + WebSocket support
- PostgreSQL 16 with Alembic migrations
- Elasticsearch 8 with Russian/English analyzers
- MinIO, RabbitMQ, Redis, Ollama

Frontend:
- React 18 + Vite + TypeScript + TailwindCSS + Zustand + React Query v5
- 9 pages: Home, Search, Cabinet, Task, Check, Bibliography, Pricing, Login, Register

Scripts:
- Parser stubs: OpenAlex, КиберЛенинка, arXiv (Phase 0 - to be filled)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-24 19:42:39 +05:00

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"""Elasticsearch клиент для полнотекстового поиска (BM25)."""
import logging
from typing import Any
from elasticsearch import Elasticsearch, exceptions as es_exceptions
from app.config import settings
logger = logging.getLogger(__name__)
_es_client: Elasticsearch | None = None
INDEX_NAME = "documents"
def get_es_client() -> Elasticsearch:
"""Получить или создать синглтон ES клиент."""
global _es_client
if _es_client is None:
_es_client = Elasticsearch(
settings.ELASTICSEARCH_URL,
retry_on_timeout=True,
max_retries=3,
request_timeout=30,
)
return _es_client
def search_fulltext(
query: str,
lang: str | None = None,
year_from: int | None = None,
year_to: int | None = None,
category: str | None = None,
size: int = 50,
) -> list[dict[str, Any]]:
"""
Полнотекстовый BM25 поиск в Elasticsearch.
Args:
query: Поисковый запрос
lang: Фильтр языка (ru, en, None = все)
year_from: Фильтр года публикации (от)
year_to: Фильтр года публикации (до)
category: Фильтр тематической категории
size: Максимальное количество результатов
Returns:
Список словарей с полями doc_id и score
"""
es = get_es_client()
# Составить bool запрос
must_clauses: list[dict] = [
{
"multi_match": {
"query": query,
"fields": ["title^3", "abstract^2", "authors"],
"type": "best_fields",
"operator": "or",
"minimum_should_match": "30%",
}
}
]
filter_clauses: list[dict] = []
if lang:
filter_clauses.append({"term": {"lang": lang}})
if year_from or year_to:
range_filter: dict = {"range": {"year": {}}}
if year_from:
range_filter["range"]["year"]["gte"] = year_from
if year_to:
range_filter["range"]["year"]["lte"] = year_to
filter_clauses.append(range_filter)
body: dict[str, Any] = {
"query": {
"bool": {
"must": must_clauses,
"filter": filter_clauses,
}
},
"size": size,
"_source": ["doc_id"],
}
try:
response = es.search(index=INDEX_NAME, body=body)
hits = response["hits"]["hits"]
return [
{
"doc_id": hit["_source"]["doc_id"],
"es_score": hit["_score"],
"es_id": hit["_id"],
}
for hit in hits
]
except es_exceptions.ConnectionError as e:
logger.error(f"Elasticsearch недоступен: {e}")
return []
except es_exceptions.NotFoundError:
logger.warning(f"Индекс {INDEX_NAME!r} не найден в Elasticsearch")
return []
except Exception as e:
logger.error(f"Ошибка поиска в Elasticsearch: {e}")
return []
def index_document(doc_id: int, doc_data: dict[str, Any]) -> bool:
"""
Индексировать документ в Elasticsearch.
Args:
doc_id: ID документа в PostgreSQL
doc_data: Словарь с метаданными документа
Returns:
True при успехе, False при ошибке
"""
es = get_es_client()
doc = {
"doc_id": doc_id,
"source": doc_data.get("source"),
"title": doc_data.get("title", ""),
"abstract": doc_data.get("abstract", ""),
"authors": " ".join(
f"{a.get('last_name', '')} {a.get('first_name', '')}"
for a in doc_data.get("authors", [])
),
"year": doc_data.get("year"),
"lang": doc_data.get("lang"),
"journal": doc_data.get("journal"),
"doi": doc_data.get("doi"),
"url": doc_data.get("url"),
}
try:
es.index(
index=INDEX_NAME,
id=str(doc_id),
document=doc,
)
return True
except Exception as e:
logger.error(f"Ошибка индексации документа {doc_id} в ES: {e}")
return False