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plantillas-proyectos/backend/api/v1/modules/a76/csv_templates/routes.py
2026-05-06 14:24:41 -06:00

44 lines
1.5 KiB
Python

"""
Rutas para descargar plantillas CSV generadas desde código (sin archivos XLS/XLSX).
"""
from typing import Any, Dict, Optional
from fastapi import APIRouter, Depends, HTTPException, Query
from fastapi.responses import Response
from core.security import get_current_user
from .registry import generate_csv_content, get_template_filename
router = APIRouter()
_LOCALE_ALLOWED = frozenset({"es", "en"})
@router.get("/{template_id}", response_class=Response)
async def download_csv_template(
template_id: str,
locale: Optional[str] = Query("es", description="es | en: idioma de las cabeceras del CSV"),
current_user: Dict[str, Any] = Depends(get_current_user),
):
"""
Devuelve un CSV con solo la fila de cabeceras para la plantilla indicada.
Query `locale`: es (defecto) o en — cabeceras localizadas cuando estén definidas.
"""
loc = (locale or "es").lower().strip()
if loc not in _LOCALE_ALLOWED:
raise HTTPException(status_code=400, detail="locale must be 'es' or 'en'")
content = generate_csv_content(template_id, locale=loc, include_bom=True)
if content is None:
raise HTTPException(status_code=404, detail=f"Plantilla desconocida: {template_id}")
filename = get_template_filename(template_id)
return Response(
content=content,
media_type="text/csv; charset=utf-8",
headers={
"Content-Disposition": f'attachment; filename="{filename}"',
"Cache-Control": "private, no-store, max-age=0, must-revalidate",
"Pragma": "no-cache",
},
)