Files
plantillas-proyectos/backend/api/v1/modules/a76/layouts_csv/parts/routes.py
2026-03-03 16:45:12 -07:00

153 lines
4.8 KiB
Python

"""
Rutas de importación CSV para Números de Parte.
Flujo: upload → scan → status (polling) → commit.
"""
import base64
import json
import logging
import os
from uuid import uuid4
from fastapi import APIRouter, File, HTTPException, Query, UploadFile, Depends
from sqlalchemy.orm import Session
from typing import Dict, Any
from core.celery_app import celery_app
from core.database import get_core_db
from core.paths import layout_path
from core.security import get_current_user, validate_access_to_resource
from .schemas import ImportJobResponse
from .tasks import (
scan_file,
insert_valid_rows,
PART_IMPORT_FILE_PREFIX,
PART_IMPORT_META_PREFIX,
PART_IMPORT_REDIS_TTL,
)
router = APIRouter()
logger = logging.getLogger(__name__)
def _get_redis():
import redis
url = os.getenv("VALKEY_URL", os.getenv("REDIS_URL", "redis://valkey:6379/0"))
return redis.Redis.from_url(url, decode_responses=False)
@router.post("/upload", response_model=ImportJobResponse)
async def upload_import_file(
file: UploadFile = File(...),
company_id: int = Query(..., description="Company ID"),
db: Session = Depends(get_core_db),
current_user: Dict[str, Any] = Depends(get_current_user),
):
try:
tenant_id = validate_access_to_resource(db, company_id, current_user)
except Exception as e:
logger.error(f"Parts import: access validation failed: {e}")
raise HTTPException(status_code=403, detail="Invalid company access")
if not file.filename or not file.filename.lower().endswith(".csv"):
raise HTTPException(status_code=400, detail="Solo se permiten archivos .csv")
job_id = str(uuid4())
contents = await file.read()
meta_data = {
"tenant_id": tenant_id,
"company_id": company_id,
"user_id": current_user.get("id"),
"template_id": "part_numbers",
}
try:
r = _get_redis()
r.set(
f"{PART_IMPORT_FILE_PREFIX}{job_id}",
base64.b64encode(contents),
ex=PART_IMPORT_REDIS_TTL,
)
r.set(
f"{PART_IMPORT_META_PREFIX}{job_id}",
json.dumps(meta_data).encode("utf-8"),
ex=PART_IMPORT_REDIS_TTL,
)
except Exception as e:
logger.error(f"Parts import: Redis store error: {e}")
raise HTTPException(status_code=500, detail="No se pudo encolar el archivo.")
try:
upload_dir = layout_path("imports", "temp")
os.makedirs(upload_dir, exist_ok=True)
with open(os.path.join(upload_dir, f"part_{job_id}.csv"), "wb") as f:
f.write(contents)
with open(os.path.join(upload_dir, f"part_{job_id}.meta.json"), "w") as f:
json.dump(meta_data, f)
except Exception as e:
logger.warning(f"Parts import: local file save failed: {e}")
scan_file.apply_async(args=[job_id], task_id=job_id)
return ImportJobResponse(
job_id=job_id,
status="queued",
message="Archivo subido. Escaneo iniciado.",
)
@router.get("/{job_id}/status")
async def get_import_status(job_id: str):
task_result = celery_app.AsyncResult(job_id)
if task_result.state == "PENDING":
return {"status": "processing", "progress": 0}
if task_result.state == "PROGRESS":
info = (task_result.info or {})
return {
"status": "processing",
"progress": info.get("current", 0),
"total": info.get("total", 0),
}
if task_result.state == "SUCCESS":
result = task_result.result
if isinstance(result, dict) and "status" in result:
return result
return {"status": "finished", "result": result}
result = getattr(task_result, "result", None)
if isinstance(result, dict) and result.get("status") in ("finished", "warning"):
return result
logger.warning("Parts import task %s failed: state=%s", job_id, task_result.state)
err_msg = None
tb = getattr(task_result, "traceback", None)
if tb and isinstance(tb, str):
lines = [l.strip() for l in tb.strip().split("\n") if l.strip()]
if lines:
err_msg = lines[-1]
if not err_msg:
try:
exc = task_result.get(propagate=False)
if exc is not None:
err_msg = str(exc)
except Exception:
pass
if not err_msg and result is not None:
if not isinstance(result, dict):
err_msg = str(result)
elif result.get("error") or result.get("message"):
err_msg = result.get("error") or result.get("message")
return {"status": "failed", "error": err_msg or "Task failed"}
@router.post("/{job_id}/commit")
async def commit_import_job(job_id: str):
task = insert_valid_rows.delay(job_id)
return {
"status": "committing",
"message": "Inserción iniciada.",
"commit_job_id": task.id,
}