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