Alexis
199 lines
7.0 KiB
Python
199 lines
7.0 KiB
Python
from typing import Iterable, List
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from uuid import UUID
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from fastapi import APIRouter, Body, Depends, HTTPException, Path, Request
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from fastapi.responses import Response
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from sqlalchemy.orm import Session
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from app.core.config import settings
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from app.core.rate_limit import limiter
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from app.db.models import Publication, PublicationDownload, Researcher
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from app.db.session import get_db
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from app.security.api_key import get_api_key
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from app.security.jwt import get_optional_current_researcher
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from app.services.sword_generator import SWORDGenerator
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from app.services.zip_generator import ZIPGenerator
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from app.utils.orcid_validator import ORCID_PATTERN, is_valid_orcid
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router = APIRouter(prefix="/export")
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def _record_downloads(db: Session, current: Researcher, pubs: Iterable[Publication]) -> None:
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"""
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Inserta marcadores de descarga (researcher_id, publication_id).
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- Resuelve descargas existentes con UNA sola query.
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- Solo añade las que faltan.
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"""
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pub_ids = [p.id for p in pubs]
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if not pub_ids:
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return
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existing_ids = {
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row[0]
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for row in (
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db.query(PublicationDownload.publication_id)
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.filter(
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PublicationDownload.researcher_id == current.id,
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PublicationDownload.publication_id.in_(pub_ids),
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)
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.all()
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)
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}
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new_rows = [
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PublicationDownload(researcher_id=current.id, publication_id=pid)
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for pid in pub_ids
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if pid not in existing_ids
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]
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if new_rows:
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db.add_all(new_rows)
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db.commit()
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def _validate_pub_ids(pub_ids: List[UUID]) -> List[UUID]:
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if len(pub_ids) > settings.MAX_PUB_IDS_BATCH:
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raise HTTPException(status_code=413, detail="Too many publication IDs")
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return pub_ids
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def _raise_clear_error_if_researcher_id_was_used(db: Session, pub_ids: List[UUID]) -> None:
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"""
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Si el cliente envía por error el UUID de un investigador al endpoint
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de publicaciones, devolvemos un mensaje explícito para guiar el uso.
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"""
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if len(pub_ids) != 1:
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return
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researcher = db.query(Researcher).filter(Researcher.id == pub_ids[0]).first()
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if researcher:
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raise HTTPException(
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status_code=400,
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detail=(
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"The provided UUID belongs to a researcher, not a publication. "
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"Use publication IDs for this endpoint, or call "
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f"/api/export/sword/researcher/{researcher.orcid_id} "
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f"(or /api/export/zip/researcher/{researcher.orcid_id})."
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),
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)
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# ---------------------------------------------------------
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# ENDPOINT 1: SWORD múltiples publicaciones
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# ---------------------------------------------------------
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@router.post("/sword/publications")
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@limiter.limit(settings.RATE_LIMIT_EXPORT)
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async def export_multiple_sword(
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request: Request,
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pub_ids: List[UUID] = Body(..., min_length=1, max_length=settings.MAX_PUB_IDS_BATCH),
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db: Session = Depends(get_db),
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_: str = Depends(get_api_key),
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current: Researcher | None = Depends(get_optional_current_researcher),
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):
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_validate_pub_ids(pub_ids)
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pubs = db.query(Publication).filter(Publication.id.in_(pub_ids)).all()
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if not pubs:
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_raise_clear_error_if_researcher_id_was_used(db, pub_ids)
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raise HTTPException(status_code=404, detail="No publications found")
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researcher = db.query(Researcher).filter_by(id=pubs[0].researcher_id).first()
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xml_bytes = SWORDGenerator.generate_feed_xml(researcher, pubs)
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if current:
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_record_downloads(db, current, pubs)
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return Response(content=xml_bytes, media_type="application/xml")
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# ---------------------------------------------------------
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# ENDPOINT 2: SWORD por investigador
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# ---------------------------------------------------------
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@router.get("/sword/researcher/{orcid_id}")
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@limiter.limit(settings.RATE_LIMIT_EXPORT)
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async def export_researcher_sword(
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request: Request,
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orcid_id: str = Path(min_length=19, max_length=19, pattern=ORCID_PATTERN),
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db: Session = Depends(get_db),
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_: str = Depends(get_api_key),
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current: Researcher | None = Depends(get_optional_current_researcher),
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):
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if not is_valid_orcid(orcid_id):
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raise HTTPException(status_code=400, detail="Invalid ORCID iD")
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researcher = db.query(Researcher).filter_by(orcid_id=orcid_id).first()
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if not researcher:
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raise HTTPException(status_code=404, detail="Researcher not found")
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pubs = db.query(Publication).filter_by(researcher_id=researcher.id).all()
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if not pubs:
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raise HTTPException(status_code=404, detail="No publications found for this researcher")
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xml_bytes = SWORDGenerator.generate_feed_xml(researcher, pubs)
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if current:
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_record_downloads(db, current, pubs)
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return Response(content=xml_bytes, media_type="application/xml")
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# ---------------------------------------------------------
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# ENDPOINT 3: ZIP múltiples publicaciones
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# ---------------------------------------------------------
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@router.post("/zip/publications")
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@limiter.limit(settings.RATE_LIMIT_EXPORT)
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async def export_multiple_zip(
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request: Request,
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pub_ids: List[UUID] = Body(..., min_length=1, max_length=settings.MAX_PUB_IDS_BATCH),
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db: Session = Depends(get_db),
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_: str = Depends(get_api_key),
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current: Researcher | None = Depends(get_optional_current_researcher),
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):
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_validate_pub_ids(pub_ids)
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pubs = db.query(Publication).filter(Publication.id.in_(pub_ids)).all()
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if not pubs:
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_raise_clear_error_if_researcher_id_was_used(db, pub_ids)
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raise HTTPException(status_code=404, detail="No publications found")
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researcher = db.query(Researcher).filter_by(id=pubs[0].researcher_id).first()
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zip_bytes = ZIPGenerator.generate_zip(researcher, pubs)
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if current:
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_record_downloads(db, current, pubs)
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return Response(content=zip_bytes, media_type="application/zip")
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# ---------------------------------------------------------
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# ENDPOINT 4: ZIP por investigador
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# ---------------------------------------------------------
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@router.get("/zip/researcher/{orcid_id}")
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@limiter.limit(settings.RATE_LIMIT_EXPORT)
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async def export_researcher_zip(
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request: Request,
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orcid_id: str = Path(min_length=19, max_length=19, pattern=ORCID_PATTERN),
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db: Session = Depends(get_db),
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_: str = Depends(get_api_key),
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current: Researcher | None = Depends(get_optional_current_researcher),
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):
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if not is_valid_orcid(orcid_id):
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raise HTTPException(status_code=400, detail="Invalid ORCID iD")
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researcher = db.query(Researcher).filter_by(orcid_id=orcid_id).first()
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if not researcher:
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raise HTTPException(status_code=404, detail="Researcher not found")
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pubs = db.query(Publication).filter_by(researcher_id=researcher.id).all()
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if not pubs:
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raise HTTPException(status_code=404, detail="No publications found for this researcher")
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zip_bytes = ZIPGenerator.generate_zip(researcher, pubs)
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if current:
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_record_downloads(db, current, pubs)
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return Response(content=zip_bytes, media_type="application/zip") |